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webkit / WebKit / f6a2db0b6ffa1cbc502926e8c3265b2be2346307 / . / Source / WebKitLegacy / win / WebView.cpp
blob: f463079d981bfe2a58c2a24b2ff5109c242d6f08 [file] [log] [blame]
/*
* Copyright (C) 2006-2019 Apple, Inc. All rights reserved.
* Copyright (C) 2009, 2010, 2011 Appcelerator, Inc. All rights reserved.
* Copyright (C) 2011 Brent Fulgham. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "WebView.h"
#include "BackForwardList.h"
#include "COMVariantSetter.h"
#include "DOMCoreClasses.h"
#include "FullscreenVideoController.h"
#include "MarshallingHelpers.h"
#include "PageStorageSessionProvider.h"
#include "WebApplicationCache.h"
#include "WebBackForwardList.h"
#include "WebBroadcastChannelRegistry.h"
#include "WebChromeClient.h"
#include "WebContextMenuClient.h"
#include "WebDatabaseManager.h"
#include "WebDatabaseProvider.h"
#include "WebDocumentLoader.h"
#include "WebDownload.h"
#include "WebDragClient.h"
#include "WebEditorClient.h"
#include "WebElementPropertyBag.h"
#include "WebFrame.h"
#include "WebFrameLoaderClient.h"
#include "WebFrameNetworkingContext.h"
#include "WebGeolocationClient.h"
#include "WebGeolocationPosition.h"
#include "WebInspector.h"
#include "WebInspectorClient.h"
#include "WebKit.h"
#include "WebKitDLL.h"
#include "WebKitLogging.h"
#include "WebKitStatisticsPrivate.h"
#include "WebKitSystemBits.h"
#include "WebKitVersion.h"
#include "WebMutableURLRequest.h"
#include "WebNotificationCenter.h"
#include "WebPlatformStrategies.h"
#include "WebPluginInfoProvider.h"
#include "WebPreferences.h"
#include "WebProgressTrackerClient.h"
#include "WebResourceLoadScheduler.h"
#include "WebScriptWorld.h"
#include "WebStorageNamespaceProvider.h"
#include "WebViewGroup.h"
#include "WebVisitedLinkStore.h"
#include "resource.h"
#include <JavaScriptCore/APICast.h>
#include <JavaScriptCore/Exception.h>
#include <JavaScriptCore/HeapInlines.h>
#include <JavaScriptCore/InitializeThreading.h>
#include <JavaScriptCore/JSCJSValue.h>
#include <JavaScriptCore/JSLock.h>
#include <WebCore/AXObjectCache.h>
#include <WebCore/ApplicationCacheStorage.h>
#include <WebCore/BString.h>
#include <WebCore/BackForwardCache.h>
#include <WebCore/BackForwardController.h>
#include <WebCore/BitmapInfo.h>
#include <WebCore/CacheStorageProvider.h>
#include <WebCore/Chrome.h>
#include <WebCore/CompositionHighlight.h>
#include <WebCore/ContextMenu.h>
#include <WebCore/ContextMenuController.h>
#include <WebCore/CookieJar.h>
#include <WebCore/Cursor.h>
#include <WebCore/DatabaseManager.h>
#include <WebCore/DeprecatedGlobalSettings.h>
#include <WebCore/Document.h>
#include <WebCore/DocumentMarkerController.h>
#include <WebCore/DragController.h>
#include <WebCore/DragData.h>
#include <WebCore/DummyModelPlayerProvider.h>
#include <WebCore/DummySpeechRecognitionProvider.h>
#include <WebCore/DummyStorageProvider.h>
#include <WebCore/Editor.h>
#include <WebCore/EventHandler.h>
#include <WebCore/EventNames.h>
#include <WebCore/FloatQuad.h>
#include <WebCore/FocusController.h>
#include <WebCore/Font.h>
#include <WebCore/Frame.h>
#include <WebCore/FrameLoader.h>
#include <WebCore/FrameSelection.h>
#include <WebCore/FrameTree.h>
#include <WebCore/FrameView.h>
#include <WebCore/FrameWin.h>
#include <WebCore/FullScreenController.h>
#include <WebCore/FullscreenManager.h>
#include <WebCore/GDIObjectCounter.h>
#include <WebCore/GDIUtilities.h>
#include <WebCore/GeolocationController.h>
#include <WebCore/GeolocationError.h>
#include <WebCore/GraphicsContext.h>
#include <WebCore/GraphicsContextWin.h>
#include <WebCore/HTMLNames.h>
#include <WebCore/HTMLVideoElement.h>
#include <WebCore/HWndDC.h>
#include <WebCore/HistoryController.h>
#include <WebCore/HistoryItem.h>
#include <WebCore/HitTestRequest.h>
#include <WebCore/HitTestResult.h>
#include <WebCore/IntRect.h>
#include <WebCore/JSElement.h>
#include <WebCore/KeyboardEvent.h>
#include <WebCore/LegacySchemeRegistry.h>
#include <WebCore/LibWebRTCProvider.h>
#include <WebCore/LogInitialization.h>
#include <WebCore/Logging.h>
#include <WebCore/MIMETypeRegistry.h>
#include <WebCore/MediaRecorderProvider.h>
#include <WebCore/MemoryCache.h>
#include <WebCore/MemoryRelease.h>
#include <WebCore/NetworkStorageSession.h>
#include <WebCore/NotImplemented.h>
#include <WebCore/PageConfiguration.h>
#include <WebCore/PathUtilities.h>
#include <WebCore/PermissionController.h>
#include <WebCore/PlatformKeyboardEvent.h>
#include <WebCore/PlatformMouseEvent.h>
#include <WebCore/PlatformWheelEvent.h>
#include <WebCore/PluginData.h>
#include <WebCore/PopupMenu.h>
#include <WebCore/PopupMenuWin.h>
#include <WebCore/ProgressTracker.h>
#include <WebCore/RenderLayer.h>
#include <WebCore/RenderLayerScrollableArea.h>
#include <WebCore/RenderTheme.h>
#include <WebCore/RenderTreeAsText.h>
#include <WebCore/RenderView.h>
#include <WebCore/RenderWidget.h>
#include <WebCore/ResourceHandle.h>
#include <WebCore/ResourceHandleClient.h>
#include <WebCore/ResourceRequest.h>
#include <WebCore/RuntimeEnabledFeatures.h>
#include <WebCore/ScriptController.h>
#include <WebCore/Scrollbar.h>
#include <WebCore/ScrollbarTheme.h>
#include <WebCore/SecurityOrigin.h>
#include <WebCore/SecurityPolicy.h>
#include <WebCore/Settings.h>
#include <WebCore/ShouldTreatAsContinuingLoad.h>
#include <WebCore/SocketProvider.h>
#include <WebCore/SystemInfo.h>
#include <WebCore/TextIterator.h>
#include <WebCore/UserContentController.h>
#include <WebCore/UserScript.h>
#include <WebCore/UserStyleSheet.h>
#include <WebCore/WebCoreJITOperations.h>
#include <WebCore/WebCoreTextRenderer.h>
#include <WebCore/WindowMessageBroadcaster.h>
#include <WebCore/WindowsTouch.h>
#include <comdef.h>
#include <d2d1.h>
#include <wtf/FileSystem.h>
#include <wtf/MainThread.h>
#include <wtf/ProcessPrivilege.h>
#include <wtf/RAMSize.h>
#include <wtf/SoftLinking.h>
#include <wtf/UniqueRef.h>
#if USE(CG)
#include <CoreGraphics/CGContext.h>
#endif
#if USE(CF)
#include <CoreFoundation/CoreFoundation.h>
#endif
#if USE(CFURLCONNECTION)
#include <CFNetwork/CFURLCachePriv.h>
#include <CFNetwork/CFURLProtocolPriv.h>
#include <pal/spi/win/CFNetworkSPIWin.h>
#include <wtf/cf/CFURLExtras.h>
#elif USE(CURL)
#include <WebCore/CurlCacheManager.h>
#endif
#if USE(CA)
#include <WebCore/CACFLayerTreeHost.h>
#include <WebCore/PlatformCALayer.h>
#elif USE(TEXTURE_MAPPER_GL)
#include "AcceleratedCompositingContext.h"
#endif
#if USE(DIRECT2D)
#include <WebCore/PlatformContextDirect2D.h>
#endif
#if ENABLE(FULLSCREEN_API)
#include <WebCore/FullScreenController.h>
#endif
#include <ShlObj.h>
#include <comutil.h>
#include <dimm.h>
#include <oleacc.h>
#include <wchar.h>
#include <windowsx.h>
#include <winuser.h>
#include <wtf/HashSet.h>
#include <wtf/text/CString.h>
#include <wtf/text/StringConcatenate.h>
#include <wtf/win/GDIObject.h>
#define WEBKIT_DRAWING 4
// Soft link functions for gestures and panning feedback
SOFT_LINK_LIBRARY(USER32);
SOFT_LINK_OPTIONAL(USER32, GetGestureInfo, BOOL, WINAPI, (HGESTUREINFO, PGESTUREINFO));
SOFT_LINK_OPTIONAL(USER32, SetGestureConfig, BOOL, WINAPI, (HWND, DWORD, UINT, PGESTURECONFIG, UINT));
SOFT_LINK_OPTIONAL(USER32, CloseGestureInfoHandle, BOOL, WINAPI, (HGESTUREINFO));
SOFT_LINK_LIBRARY(Uxtheme);
SOFT_LINK_OPTIONAL(Uxtheme, BeginPanningFeedback, BOOL, WINAPI, (HWND));
SOFT_LINK_OPTIONAL(Uxtheme, EndPanningFeedback, BOOL, WINAPI, (HWND, BOOL));
SOFT_LINK_OPTIONAL(Uxtheme, UpdatePanningFeedback, BOOL, WINAPI, (HWND, LONG, LONG, BOOL));
using namespace WebCore;
using JSC::JSLock;
static String webKitVersionString();
#if USE(CF)
static const CFStringRef WebKitLocalCacheDefaultsKey = CFSTR("WebKitLocalCache");
#endif
static HMODULE accessibilityLib;
static HashSet<WebView*>& pendingDeleteBackingStoreSet()
{
static NeverDestroyed<HashSet<WebView*>> pendingDeleteBackingStoreSet;
return pendingDeleteBackingStoreSet;
}
WebView* kit(Page* page)
{
if (!page)
return nullptr;
if (page->chrome().client().isEmptyChromeClient())
return nullptr;
return static_cast<WebChromeClient&>(page->chrome().client()).webView();
}
static inline AtomString toAtomString(BSTR bstr)
{
return AtomString(bstr, SysStringLen(bstr));
}
static inline String toString(BSTR bstr)
{
return String(bstr, SysStringLen(bstr));
}
static inline String toString(BString &bstr)
{
return String(bstr, SysStringLen(bstr));
}
static inline URL toURL(BSTR bstr)
{
return URL(URL(), toString(bstr));
}
static String localStorageDatabasePath(WebPreferences* preferences)
{
BString localStorageDatabasePath;
if (FAILED(preferences->localStorageDatabasePath(&localStorageDatabasePath)))
return String();
return toString(localStorageDatabasePath);
}
class PreferencesChangedOrRemovedObserver final : public IWebNotificationObserver {
public:
static PreferencesChangedOrRemovedObserver* sharedInstance();
private:
PreferencesChangedOrRemovedObserver() {}
~PreferencesChangedOrRemovedObserver() {}
virtual HRESULT STDMETHODCALLTYPE QueryInterface(_In_ REFIID, _Outptr_ void**) { return E_FAIL; }
virtual ULONG STDMETHODCALLTYPE AddRef() { return 0; }
virtual ULONG STDMETHODCALLTYPE Release() { return 0; }
public:
// IWebNotificationObserver
virtual HRESULT STDMETHODCALLTYPE onNotify(
/* [in] */ IWebNotification* notification);
private:
HRESULT notifyPreferencesChanged(WebCacheModel);
HRESULT notifyPreferencesRemoved(WebCacheModel);
};
PreferencesChangedOrRemovedObserver* PreferencesChangedOrRemovedObserver::sharedInstance()
{
static PreferencesChangedOrRemovedObserver* shared = new PreferencesChangedOrRemovedObserver;
return shared;
}
HRESULT PreferencesChangedOrRemovedObserver::onNotify(IWebNotification* notification)
{
HRESULT hr = S_OK;
COMPtr<IUnknown> unkPrefs;
hr = notification->getObject(&unkPrefs);
if (FAILED(hr))
return hr;
COMPtr<IWebPreferences> preferences(Query, unkPrefs);
if (!preferences)
return E_NOINTERFACE;
WebCacheModel cacheModel;
hr = preferences->cacheModel(&cacheModel);
if (FAILED(hr))
return hr;
BString name;
hr = notification->name(&name);
if (FAILED(hr))
return hr;
if (wcscmp(name, WebPreferences::webPreferencesChangedNotification()) == 0)
return notifyPreferencesChanged(cacheModel);
if (wcscmp(name, WebPreferences::webPreferencesRemovedNotification()) == 0)
return notifyPreferencesRemoved(cacheModel);
ASSERT_NOT_REACHED();
return E_FAIL;
}
HRESULT PreferencesChangedOrRemovedObserver::notifyPreferencesChanged(WebCacheModel cacheModel)
{
HRESULT hr = S_OK;
if (!WebView::didSetCacheModel() || cacheModel > WebView::cacheModel())
WebView::setCacheModel(cacheModel);
else if (cacheModel < WebView::cacheModel()) {
WebCacheModel sharedPreferencesCacheModel;
hr = WebPreferences::sharedStandardPreferences()->cacheModel(&sharedPreferencesCacheModel);
if (FAILED(hr))
return hr;
WebView::setCacheModel(std::max(sharedPreferencesCacheModel, WebView::maxCacheModelInAnyInstance()));
}
return hr;
}
HRESULT PreferencesChangedOrRemovedObserver::notifyPreferencesRemoved(WebCacheModel cacheModel)
{
HRESULT hr = S_OK;
if (cacheModel == WebView::cacheModel()) {
WebCacheModel sharedPreferencesCacheModel;
hr = WebPreferences::sharedStandardPreferences()->cacheModel(&sharedPreferencesCacheModel);
if (FAILED(hr))
return hr;
WebView::setCacheModel(std::max(sharedPreferencesCacheModel, WebView::maxCacheModelInAnyInstance()));
}
return hr;
}
const LPCWSTR kWebViewWindowClassName = L"WebViewWindowClass";
const int WM_XP_THEMECHANGED = 0x031A;
const int WM_VISTA_MOUSEHWHEEL = 0x020E;
#ifndef WM_DPICHANGED
const int WM_DPICHANGED = 0x02E0;
#endif
static const int maxToolTipWidth = 250;
static const int delayBeforeDeletingBackingStoreMsec = 5000;
static void initializeStaticObservers();
static HRESULT updateSharedSettingsFromPreferencesIfNeeded(IWebPreferences*);
HRESULT createMatchEnumerator(Vector<IntRect>* rects, IEnumTextMatches** matches);
static bool continuousSpellCheckingEnabled;
static bool grammarCheckingEnabled;
static bool s_didSetCacheModel;
static WebCacheModel s_cacheModel = WebCacheModelDocumentViewer;
enum {
UpdateActiveStateTimer = 1,
DeleteBackingStoreTimer = 2,
};
// WebView ----------------------------------------------------------------
bool WebView::s_allowSiteSpecificHacks = false;
WebView::WebView()
{
JSC::initialize();
WTF::initializeMainThread();
WTF::setProcessPrivileges(allPrivileges());
WebCore::populateJITOperations();
WebCore::NetworkStorageSession::permitProcessToUseCookieAPI(true);
m_backingStoreSize.cx = m_backingStoreSize.cy = 0;
CoCreateInstance(CLSID_DragDropHelper, 0, CLSCTX_INPROC_SERVER, IID_IDropTargetHelper,(void**)&m_dropTargetHelper);
initializeStaticObservers();
WebPreferences* sharedPreferences = WebPreferences::sharedStandardPreferences();
BOOL enabled = FALSE;
if (SUCCEEDED(sharedPreferences->continuousSpellCheckingEnabled(&enabled)))
continuousSpellCheckingEnabled = !!enabled;
if (SUCCEEDED(sharedPreferences->grammarCheckingEnabled(&enabled)))
grammarCheckingEnabled = !!enabled;
m_webViewGroup = WebViewGroup::getOrCreate(String(), localStorageDatabasePath(sharedPreferences));
m_webViewGroup->addWebView(this);
WebViewCount++;
gClassCount++;
gClassNameCount().add("WebView");
}
WebView::~WebView()
{
deleteBackingStore();
// the tooltip window needs to be explicitly destroyed since it isn't a WS_CHILD
if (::IsWindow(m_toolTipHwnd))
::DestroyWindow(m_toolTipHwnd);
ASSERT(!m_page);
ASSERT(!m_preferences);
ASSERT(!m_viewWindow);
#if USE(CA)
ASSERT(!m_layerTreeHost);
#endif
m_webViewGroup->removeWebView(this);
WebViewCount--;
gClassCount--;
gClassNameCount().remove("WebView");
}
WebView* WebView::createInstance()
{
WebView* instance = new WebView();
instance->AddRef();
return instance;
}
void initializeStaticObservers()
{
static bool initialized = false;
if (initialized)
return;
initialized = true;
IWebNotificationCenter* notifyCenter = WebNotificationCenter::defaultCenterInternal();
notifyCenter->addObserver(PreferencesChangedOrRemovedObserver::sharedInstance(), WebPreferences::webPreferencesChangedNotification(), 0);
notifyCenter->addObserver(PreferencesChangedOrRemovedObserver::sharedInstance(), WebPreferences::webPreferencesRemovedNotification(), 0);
}
static HashSet<WebView*>& allWebViewsSet()
{
static HashSet<WebView*> allWebViewsSet;
return allWebViewsSet;
}
void WebView::addToAllWebViewsSet()
{
allWebViewsSet().add(this);
}
void WebView::removeFromAllWebViewsSet()
{
allWebViewsSet().remove(this);
}
void WebView::setCacheModel(WebCacheModel cacheModel)
{
if (s_didSetCacheModel && cacheModel == s_cacheModel)
return;
String cacheDirectory;
#if USE(CFURLCONNECTION)
RetainPtr<CFURLCacheRef> cfurlCache = adoptCF(CFURLCacheCopySharedURLCache());
RetainPtr<CFStringRef> cfurlCacheDirectory = adoptCF(_CFURLCacheCopyCacheDirectory(cfurlCache.get()));
if (!cfurlCacheDirectory) {
RetainPtr<CFPropertyListRef> preference = adoptCF(CFPreferencesCopyAppValue(WebKitLocalCacheDefaultsKey, WebPreferences::applicationId()));
if (preference && (CFStringGetTypeID() == CFGetTypeID(preference.get())))
cfurlCacheDirectory = adoptCF(static_cast<CFStringRef>(preference.leakRef()));
else
cfurlCacheDirectory = FileSystem::localUserSpecificStorageDirectory().createCFString();
}
cacheDirectory = String(cfurlCacheDirectory.get());
CFIndex cacheMemoryCapacity = 0;
CFIndex cacheDiskCapacity = 0;
#elif USE(CURL)
cacheDirectory = CurlCacheManager::singleton().cacheDirectory();
long cacheMemoryCapacity = 0;
long cacheDiskCapacity = 0;
#endif
unsigned long long memSize = ramSize() / 1024 / 1024;
// As a fudge factor, use 1000 instead of 1024, in case the reported byte
// count doesn't align exactly to a megabyte boundary.
unsigned long long diskFreeSize = WebVolumeFreeSize(cacheDirectory) / 1024 / 1000;
unsigned cacheTotalCapacity = 0;
unsigned cacheMinDeadCapacity = 0;
unsigned cacheMaxDeadCapacity = 0;
Seconds deadDecodedDataDeletionInterval;
unsigned backForwardCacheSize = 0;
switch (cacheModel) {
case WebCacheModelDocumentViewer: {
// Back/forward cache capacity (in pages)
backForwardCacheSize = 0;
// Object cache capacities (in bytes)
if (memSize >= 2048)
cacheTotalCapacity = 96 * 1024 * 1024;
else if (memSize >= 1536)
cacheTotalCapacity = 64 * 1024 * 1024;
else if (memSize >= 1024)
cacheTotalCapacity = 32 * 1024 * 1024;
else if (memSize >= 512)
cacheTotalCapacity = 16 * 1024 * 1024;
cacheMinDeadCapacity = 0;
cacheMaxDeadCapacity = 0;
// Memory cache capacity (in bytes)
cacheMemoryCapacity = 0;
#if USE(CFURLCONNECTION)
// Foundation disk cache capacity (in bytes)
cacheDiskCapacity = CFURLCacheDiskCapacity(cfurlCache.get());
#endif
break;
}
case WebCacheModelDocumentBrowser: {
// Back/forward cache capacity (in pages)
if (memSize >= 1024)
backForwardCacheSize = 3;
else if (memSize >= 512)
backForwardCacheSize = 2;
else if (memSize >= 256)
backForwardCacheSize = 1;
else
backForwardCacheSize = 0;
// Object cache capacities (in bytes)
if (memSize >= 2048)
cacheTotalCapacity = 96 * 1024 * 1024;
else if (memSize >= 1536)
cacheTotalCapacity = 64 * 1024 * 1024;
else if (memSize >= 1024)
cacheTotalCapacity = 32 * 1024 * 1024;
else if (memSize >= 512)
cacheTotalCapacity = 16 * 1024 * 1024;
cacheMinDeadCapacity = cacheTotalCapacity / 8;
cacheMaxDeadCapacity = cacheTotalCapacity / 4;
// Memory cache capacity (in bytes)
if (memSize >= 2048)
cacheMemoryCapacity = 4 * 1024 * 1024;
else if (memSize >= 1024)
cacheMemoryCapacity = 2 * 1024 * 1024;
else if (memSize >= 512)
cacheMemoryCapacity = 1 * 1024 * 1024;
else
cacheMemoryCapacity = 512 * 1024;
// Disk cache capacity (in bytes)
if (diskFreeSize >= 16384)
cacheDiskCapacity = 50 * 1024 * 1024;
else if (diskFreeSize >= 8192)
cacheDiskCapacity = 40 * 1024 * 1024;
else if (diskFreeSize >= 4096)
cacheDiskCapacity = 30 * 1024 * 1024;
else
cacheDiskCapacity = 20 * 1024 * 1024;
break;
}
case WebCacheModelPrimaryWebBrowser: {
// Back/forward cache capacity (in pages)
// (Research indicates that value / page drops substantially after 3 pages.)
if (memSize >= 2048)
backForwardCacheSize = 5;
else if (memSize >= 1024)
backForwardCacheSize = 4;
else if (memSize >= 512)
backForwardCacheSize = 3;
else if (memSize >= 256)
backForwardCacheSize = 2;
else
backForwardCacheSize = 1;
// Object cache capacities (in bytes)
// (Testing indicates that value / MB depends heavily on content and
// browsing pattern. Even growth above 128MB can have substantial
// value / MB for some content / browsing patterns.)
if (memSize >= 2048)
cacheTotalCapacity = 128 * 1024 * 1024;
else if (memSize >= 1536)
cacheTotalCapacity = 96 * 1024 * 1024;
else if (memSize >= 1024)
cacheTotalCapacity = 64 * 1024 * 1024;
else if (memSize >= 512)
cacheTotalCapacity = 32 * 1024 * 1024;
cacheMinDeadCapacity = cacheTotalCapacity / 4;
cacheMaxDeadCapacity = cacheTotalCapacity / 2;
// This code is here to avoid a PLT regression. We can remove it if we
// can prove that the overall system gain would justify the regression.
cacheMaxDeadCapacity = std::max(24u, cacheMaxDeadCapacity);
deadDecodedDataDeletionInterval = 60_s;
// Memory cache capacity (in bytes)
// (These values are small because WebCore does most caching itself.)
if (memSize >= 1024)
cacheMemoryCapacity = 4 * 1024 * 1024;
else if (memSize >= 512)
cacheMemoryCapacity = 2 * 1024 * 1024;
else if (memSize >= 256)
cacheMemoryCapacity = 1 * 1024 * 1024;
else
cacheMemoryCapacity = 512 * 1024;
// Disk cache capacity (in bytes)
if (diskFreeSize >= 16384)
cacheDiskCapacity = 175 * 1024 * 1024;
else if (diskFreeSize >= 8192)
cacheDiskCapacity = 150 * 1024 * 1024;
else if (diskFreeSize >= 4096)
cacheDiskCapacity = 125 * 1024 * 1024;
else if (diskFreeSize >= 2048)
cacheDiskCapacity = 100 * 1024 * 1024;
else if (diskFreeSize >= 1024)
cacheDiskCapacity = 75 * 1024 * 1024;
else
cacheDiskCapacity = 50 * 1024 * 1024;
break;
}
default:
ASSERT_NOT_REACHED();
}
auto& memoryCache = MemoryCache::singleton();
memoryCache.setCapacities(cacheMinDeadCapacity, cacheMaxDeadCapacity, cacheTotalCapacity);
memoryCache.setDeadDecodedDataDeletionInterval(deadDecodedDataDeletionInterval);
BackForwardCache::singleton().setMaxSize(backForwardCacheSize);
#if USE(CFURLCONNECTION)
// Don't shrink a big disk cache, since that would cause churn.
cacheDiskCapacity = std::max(cacheDiskCapacity, CFURLCacheDiskCapacity(cfurlCache.get()));
CFURLCacheSetMemoryCapacity(cfurlCache.get(), cacheMemoryCapacity);
CFURLCacheSetDiskCapacity(cfurlCache.get(), cacheDiskCapacity);
#elif USE(CURL)
CurlCacheManager::singleton().setStorageSizeLimit(cacheDiskCapacity);
#endif
s_didSetCacheModel = true;
s_cacheModel = cacheModel;
return;
}
WebCacheModel WebView::cacheModel()
{
return s_cacheModel;
}
bool WebView::didSetCacheModel()
{
return s_didSetCacheModel;
}
WebCacheModel WebView::maxCacheModelInAnyInstance()
{
WebCacheModel cacheModel = WebCacheModelDocumentViewer;
HashSet<WebView*>::iterator end = allWebViewsSet().end();
for (HashSet<WebView*>::iterator it = allWebViewsSet().begin(); it != end; ++it) {
COMPtr<IWebPreferences> pref;
if (FAILED((*it)->preferences(&pref)))
continue;
WebCacheModel prefCacheModel = WebCacheModelDocumentViewer;
if (FAILED(pref->cacheModel(&prefCacheModel)))
continue;
cacheModel = std::max(cacheModel, prefCacheModel);
}
return cacheModel;
}
HRESULT WebView::close()
{
if (m_didClose)
return S_OK;
m_didClose = true;
setAcceleratedCompositing(false);
WebNotificationCenter::defaultCenterInternal()->postNotificationName(_bstr_t(WebViewWillCloseNotification).GetBSTR(), static_cast<IWebView*>(this), 0);
if (m_uiDelegatePrivate)
m_uiDelegatePrivate->webViewClosing(this);
removeFromAllWebViewsSet();
if (m_page)
m_page->mainFrame().loader().detachFromParent();
if (m_mouseOutTracker) {
m_mouseOutTracker->dwFlags = TME_CANCEL;
::TrackMouseEvent(m_mouseOutTracker.get());
m_mouseOutTracker.reset();
}
revokeDragDrop();
if (m_viewWindow) {
// We can't check IsWindow(m_viewWindow) here, because that will return true even while
// we're already handling WM_DESTROY. So we check !isBeingDestroyed() instead.
if (!isBeingDestroyed())
DestroyWindow(m_viewWindow);
// Either we just destroyed m_viewWindow, or it's in the process of being destroyed. Either
// way, we clear it out to make sure we don't try to use it later.
m_viewWindow = 0;
}
setHostWindow(0);
setAccessibilityDelegate(0);
setDownloadDelegate(0);
setEditingDelegate(0);
setFrameLoadDelegate(0);
setFrameLoadDelegatePrivate(0);
setHistoryDelegate(0);
setPolicyDelegate(0);
setResourceLoadDelegate(0);
setUIDelegate(0);
setFormDelegate(0);
m_inspectorClient = nullptr;
if (m_webInspector)
m_webInspector->inspectedWebViewClosed();
delete m_page;
m_page = nullptr;
m_mainFrame = nullptr;
IWebNotificationCenter* notifyCenter = WebNotificationCenter::defaultCenterInternal();
notifyCenter->removeObserver(this, WebPreferences::webPreferencesChangedNotification(), static_cast<IWebPreferences*>(m_preferences.get()));
if (COMPtr<WebPreferences> preferences = m_preferences) {
BString identifier;
preferences->identifier(&identifier);
m_preferences = 0;
preferences->didRemoveFromWebView();
// Make sure we release the reference, since WebPreferences::removeReferenceForIdentifier will check for last reference to WebPreferences
preferences = 0;
if (identifier)
WebPreferences::removeReferenceForIdentifier(identifier);
}
deleteBackingStore();
return S_OK;
}
void WebView::repaint(const WebCore::IntRect& logicalWindowRect, bool contentChanged, bool immediate, bool repaintContentOnly)
{
FloatRect windowRectFloat(logicalWindowRect);
windowRectFloat.scale(deviceScaleFactor());
IntRect windowRect(enclosingIntRect(windowRectFloat));
if (isAcceleratedCompositing()) {
// The contentChanged, immediate, and repaintContentOnly parameters are all based on a non-
// compositing painting/scrolling model.
addToDirtyRegion(logicalWindowRect);
return;
}
if (!repaintContentOnly) {
RECT rect = windowRect;
::InvalidateRect(m_viewWindow, &rect, false);
}
if (contentChanged)
addToDirtyRegion(windowRect);
if (immediate) {
if (repaintContentOnly)
updateBackingStore(core(topLevelFrame())->view());
else
::UpdateWindow(m_viewWindow);
}
m_needsDisplay = true;
}
void WebView::deleteBackingStore()
{
pendingDeleteBackingStoreSet().remove(this);
if (m_deleteBackingStoreTimerActive) {
KillTimer(m_viewWindow, DeleteBackingStoreTimer);
m_deleteBackingStoreTimerActive = false;
}
m_backingStoreBitmap = nullptr;
#if USE(DIRECT2D)
m_backingStoreD2DBitmap = nullptr;
m_backingStoreGdiInterop = nullptr;
m_backingStoreRenderTarget = nullptr;
#endif
m_backingStoreDirtyRegion = nullptr;
m_backingStoreSize.cx = m_backingStoreSize.cy = 0;
}
bool WebView::ensureBackingStore()
{
RECT windowRect;
::GetClientRect(m_viewWindow, &windowRect);
LONG width = windowRect.right - windowRect.left;
LONG height = windowRect.bottom - windowRect.top;
if (width > 0 && height > 0 && (width != m_backingStoreSize.cx || height != m_backingStoreSize.cy)) {
deleteBackingStore();
#if USE(DIRECT2D)
auto bitmapSize = D2D1::SizeF(width, height);
auto pixelSize = D2D1::SizeU(width, height);
if (!m_renderTarget) {
// Create a Direct2D render target.
auto renderTargetProperties = D2D1::RenderTargetProperties();
renderTargetProperties.usage = D2D1_RENDER_TARGET_USAGE_GDI_COMPATIBLE;
auto hwndRenderTargetProperties = D2D1::HwndRenderTargetProperties(m_viewWindow, pixelSize);
HRESULT hr = GraphicsContext::systemFactory()->CreateHwndRenderTarget(&renderTargetProperties, &hwndRenderTargetProperties, &m_renderTarget);
if (!SUCCEEDED(hr))
return false;
}
#endif
m_backingStoreSize.cx = width;
m_backingStoreSize.cy = height;
BitmapInfo bitmapInfo = BitmapInfo::createBottomUp(IntSize(m_backingStoreSize));
void* pixels = NULL;
m_backingStoreBitmap = SharedGDIObject<HBITMAP>::create(adoptGDIObject(::CreateDIBSection(0, &bitmapInfo, DIB_RGB_COLORS, &pixels, 0, 0)));
#if USE(DIRECT2D)
HRESULT hr = m_renderTarget->CreateCompatibleRenderTarget(&bitmapSize, &pixelSize, nullptr, D2D1_COMPATIBLE_RENDER_TARGET_OPTIONS_GDI_COMPATIBLE, &m_backingStoreRenderTarget);
RELEASE_ASSERT(SUCCEEDED(hr));
hr = m_backingStoreRenderTarget->GetBitmap(&m_backingStoreD2DBitmap);
RELEASE_ASSERT(SUCCEEDED(hr));
hr = m_backingStoreRenderTarget->QueryInterface(__uuidof(ID2D1GdiInteropRenderTarget), (void**)&m_backingStoreGdiInterop);
RELEASE_ASSERT(SUCCEEDED(hr));
#endif
return true;
}
return false;
}
void WebView::addToDirtyRegion(const IntRect& dirtyRect)
{
m_needsDisplay = true;
// FIXME: We want an assert here saying that the dirtyRect is inside the clienRect,
// but it was being hit during our layout tests, and is being investigated in
// http://webkit.org/b/29350.
if (isAcceleratedCompositing()) {
#if USE(CA)
m_backingLayer->setNeedsDisplayInRect(dirtyRect);
#elif USE(TEXTURE_MAPPER_GL)
m_acceleratedCompositingContext->setNonCompositedContentsNeedDisplay(dirtyRect);
#endif
return;
}
auto newRegion = adoptGDIObject(::CreateRectRgn(dirtyRect.x(), dirtyRect.y(),
dirtyRect.maxX(), dirtyRect.maxY()));
addToDirtyRegion(WTFMove(newRegion));
}
void WebView::addToDirtyRegion(GDIObject<HRGN> newRegion)
{
m_needsDisplay = true;
ASSERT(!isAcceleratedCompositing());
LOCAL_GDI_COUNTER(0, __FUNCTION__);
if (m_backingStoreDirtyRegion) {
auto combinedRegion = adoptGDIObject(::CreateRectRgn(0, 0, 0, 0));
::CombineRgn(combinedRegion.get(), m_backingStoreDirtyRegion->get(), newRegion.get(), RGN_OR);
m_backingStoreDirtyRegion = SharedGDIObject<HRGN>::create(WTFMove(combinedRegion));
} else
m_backingStoreDirtyRegion = SharedGDIObject<HRGN>::create(WTFMove(newRegion));
if (m_uiDelegatePrivate)
m_uiDelegatePrivate->webViewDidInvalidate(this);
}
void WebView::scrollBackingStore(FrameView* frameView, int logicalDx, int logicalDy, const IntRect& logicalScrollViewRect, const IntRect& logicalClipRect)
{
if (deviceScaleFactor() != static_cast<int>(deviceScaleFactor())) {
// Non-integral device scale factors are causing repaint glitches, because the computation of the scroll
// delta in pixel coordinates from the scroll delta in logical coordinates will not always be correct.
// Instead of blitting the scroll rectangle, repaint the entire region affected by scrolling.
// FIXME: This is inefficient, we should be able to blit the scroll rectangle in this case as well,
// see https://bugs.webkit.org/show_bug.cgi?id=193542.
IntRect repaintRect = logicalScrollViewRect;
repaintRect.move(logicalDx, logicalDy);
repaintRect.unite(logicalScrollViewRect);
repaint(repaintRect, true);
return;
}
m_needsDisplay = true;
// Dimensions passed to us from WebCore are in logical units. We must convert to pixels:
float scaleFactor = deviceScaleFactor();
int dx = clampTo<int>(scaleFactor * logicalDx);
int dy = clampTo<int>(scaleFactor * logicalDy);
FloatRect scrollViewRectFloat(logicalScrollViewRect);
scrollViewRectFloat.scale(scaleFactor);
IntRect scrollViewRect(enclosingIntRect(scrollViewRectFloat));
FloatRect clipRect(logicalClipRect);
clipRect.scale(scaleFactor);
#if USE(DIRECT2D)
RECT scrollRectWin(scrollViewRect);
RECT clipRectWin(enclosingIntRect(clipRect));
RECT updateRect;
::ScrollWindowEx(m_viewWindow, dx, dy, &scrollRectWin, &clipRectWin, nullptr, &updateRect, 0);
::InvalidateRect(m_viewWindow, &updateRect, FALSE);
if (m_uiDelegatePrivate)
m_uiDelegatePrivate->webViewScrolled(this);
#else
if (isAcceleratedCompositing()) {
// FIXME: We should be doing something smarter here, like moving tiles around and painting
// any newly-exposed tiles. <http://webkit.org/b/52714>
#if USE(CA)
m_backingLayer->setNeedsDisplayInRect(scrollViewRect);
#elif USE(TEXTURE_MAPPER_GL)
m_acceleratedCompositingContext->scrollNonCompositedContents(scrollViewRect, IntSize(dx, dy));
#endif
return;
}
LOCAL_GDI_COUNTER(0, __FUNCTION__);
// If there's no backing store we don't need to update it
if (!m_backingStoreBitmap) {
if (m_uiDelegatePrivate)
m_uiDelegatePrivate->webViewScrolled(this);
return;
}
// Make a region to hold the invalidated scroll area.
auto updateRegion = adoptGDIObject(::CreateRectRgn(0, 0, 0, 0));
// Collect our device context info and select the bitmap to scroll.
HWndDC windowDC(m_viewWindow);
auto bitmapDC = adoptGDIObject(::CreateCompatibleDC(windowDC));
HGDIOBJ oldBitmap = ::SelectObject(bitmapDC.get(), m_backingStoreBitmap->get());
ASSERT(oldBitmap);
// Scroll the bitmap.
RECT scrollRectWin(scrollViewRect);
RECT clipRectWin(enclosingIntRect(clipRect));
::ScrollDC(bitmapDC.get(), dx, dy, &scrollRectWin, &clipRectWin, updateRegion.get(), 0);
RECT regionBox;
::GetRgnBox(updateRegion.get(), &regionBox);
// Flush.
GdiFlush();
// Add the dirty region to the backing store's dirty region.
addToDirtyRegion(WTFMove(updateRegion));
if (m_uiDelegatePrivate)
m_uiDelegatePrivate->webViewScrolled(this);
// Update the backing store.
updateBackingStore(frameView, bitmapDC.get(), false);
// Clean up.
::SelectObject(bitmapDC.get(), oldBitmap);
#endif // USE(DIRECT2D)
}
void WebView::sizeChanged(const IntSize& newSize)
{
m_needsDisplay = true;
deleteBackingStore();
if (Frame* coreFrame = core(topLevelFrame())) {
FloatSize logicalSize = newSize;
logicalSize.scale(1.0f / deviceScaleFactor());
auto clientRect = enclosingIntRect(FloatRect(FloatPoint(), logicalSize));
coreFrame->view()->resize(clientRect.size());
}
#if USE(CA)
if (m_layerTreeHost)
m_layerTreeHost->resize();
if (m_backingLayer) {
m_backingLayer->setSize(newSize);
m_backingLayer->setNeedsDisplay();
}
#elif USE(TEXTURE_MAPPER_GL)
if (m_acceleratedCompositingContext)
m_acceleratedCompositingContext->resizeRootLayer(newSize);
#endif
#if USE(DIRECT2D)
if (m_renderTarget) {
m_renderTarget->Resize(newSize);
return;
}
// Create a Direct2D render target.
auto renderTargetProperties = D2D1::RenderTargetProperties();
renderTargetProperties.usage = D2D1_RENDER_TARGET_USAGE_GDI_COMPATIBLE;
auto hwndRenderTargetProperties = D2D1::HwndRenderTargetProperties(m_viewWindow, newSize, D2D1_PRESENT_OPTIONS_IMMEDIATELY);
HRESULT hr = GraphicsContext::systemFactory()->CreateHwndRenderTarget(&renderTargetProperties, &hwndRenderTargetProperties, &m_renderTarget);
ASSERT(SUCCEEDED(hr));
#endif
}
bool WebView::dpiChanged(float, const WebCore::IntSize& newSize)
{
if (!IsProcessDPIAware())
return false;
sizeChanged(newSize);
return true;
}
// This emulates the Mac smarts for painting rects intelligently. This is very
// important for us, since we double buffer based off dirty rects.
static void getUpdateRects(HRGN region, const IntRect& dirtyRect, Vector<IntRect>& rects)
{
ASSERT_ARG(region, region);
const int cRectThreshold = 10;
const float cWastedSpaceThreshold = 0.75f;
rects.clear();
DWORD regionDataSize = GetRegionData(region, sizeof(RGNDATA), NULL);
if (!regionDataSize) {
rects.append(dirtyRect);
return;
}
Vector<unsigned char> buffer(regionDataSize);
RGNDATA* regionData = reinterpret_cast<RGNDATA*>(buffer.data());
GetRegionData(region, regionDataSize, regionData);
if (regionData->rdh.nCount > cRectThreshold) {
rects.append(dirtyRect);
return;
}
double singlePixels = 0.0;
unsigned i;
RECT* rect;
for (i = 0, rect = reinterpret_cast<RECT*>(regionData->Buffer); i < regionData->rdh.nCount; i++, rect++)
singlePixels += (rect->right - rect->left) * (rect->bottom - rect->top);
double unionPixels = dirtyRect.width() * dirtyRect.height();
double wastedSpace = 1.0 - (singlePixels / unionPixels);
if (wastedSpace <= cWastedSpaceThreshold) {
rects.append(dirtyRect);
return;
}
for (i = 0, rect = reinterpret_cast<RECT*>(regionData->Buffer); i < regionData->rdh.nCount; i++, rect++)
rects.append(*rect);
}
void WebView::updateBackingStore(FrameView* frameView, HDC dc, bool backingStoreCompletelyDirty)
{
ASSERT(!isAcceleratedCompositing());
LOCAL_GDI_COUNTER(0, __FUNCTION__);
#if USE(DIRECT2D)
if (!m_backingStoreGdiInterop) {
HRESULT hr = m_backingStoreRenderTarget->QueryInterface(__uuidof(ID2D1GdiInteropRenderTarget), (void**)&m_backingStoreGdiInterop);
RELEASE_ASSERT(SUCCEEDED(hr));
}
#endif
GDIObject<HDC> bitmapDCObject;
HDC bitmapDC = dc;
HGDIOBJ oldBitmap = 0;
if (!dc) {
HWndDC windowDC(m_viewWindow);
bitmapDCObject = adoptGDIObject(::CreateCompatibleDC(windowDC));
bitmapDC = bitmapDCObject.get();
oldBitmap = ::SelectObject(bitmapDC, m_backingStoreBitmap->get());
ASSERT(oldBitmap);
#if USE(DIRECT2D)
HRESULT hr = m_backingStoreGdiInterop->GetDC(D2D1_DC_INITIALIZE_MODE_COPY, &bitmapDC);
RELEASE_ASSERT(SUCCEEDED(hr));
#endif
}
if (m_backingStoreBitmap && (m_backingStoreDirtyRegion || backingStoreCompletelyDirty)) {
Vector<IntRect> paintRects;
if (!backingStoreCompletelyDirty && m_backingStoreDirtyRegion) {
RECT regionBox;
::GetRgnBox(m_backingStoreDirtyRegion->get(), &regionBox);
getUpdateRects(m_backingStoreDirtyRegion->get(), regionBox, paintRects);
} else {
RECT clientRect;
::GetClientRect(m_viewWindow, &clientRect);
paintRects.append(clientRect);
}
for (unsigned i = 0; i < paintRects.size(); ++i)
paintIntoBackingStore(frameView, bitmapDC, paintRects[i]);
if (m_uiDelegatePrivate)
m_uiDelegatePrivate->webViewPainted(this);
m_backingStoreDirtyRegion = nullptr;
}
if (!dc) {
::SelectObject(bitmapDC, oldBitmap);
#if USE(DIRECT2D)
m_backingStoreGdiInterop->ReleaseDC(nullptr);
#endif
}
GdiFlush();
m_needsDisplay = true;
}
void WebView::performLayeredWindowUpdate()
{
// The backing store may have been destroyed if the window rect was set to zero height or zero width.
if (!m_backingStoreBitmap)
return;
HWndDC hdcScreen(m_viewWindow);
auto hdcMem = adoptGDIObject(::CreateCompatibleDC(hdcScreen));
HBITMAP hbmOld = static_cast<HBITMAP>(::SelectObject(hdcMem.get(), m_backingStoreBitmap->get()));
BITMAP bmpInfo;
::GetObject(m_backingStoreBitmap->get(), sizeof(bmpInfo), &bmpInfo);
SIZE windowSize = { bmpInfo.bmWidth, bmpInfo.bmHeight };
BLENDFUNCTION blendFunction;
blendFunction.BlendOp = AC_SRC_OVER;
blendFunction.BlendFlags = 0;
blendFunction.SourceConstantAlpha = 0xFF;
blendFunction.AlphaFormat = AC_SRC_ALPHA;
POINT layerPos = { 0, 0 };
::UpdateLayeredWindow(m_viewWindow, hdcScreen, 0, &windowSize, hdcMem.get(), &layerPos, 0, &blendFunction, ULW_ALPHA);
::SelectObject(hdcMem.get(), hbmOld);
m_needsDisplay = false;
}
void WebView::paintWithDirect2D()
{
#if USE(DIRECT2D)
Frame* coreFrame = core(m_mainFrame);
if (!coreFrame)
return;
FrameView* frameView = coreFrame->view();
frameView->updateLayoutAndStyleIfNeededRecursive();
if (!m_renderTarget) {
// Create a Direct2D render target.
auto renderTargetProperties = D2D1::RenderTargetProperties();
renderTargetProperties.usage = D2D1_RENDER_TARGET_USAGE_GDI_COMPATIBLE;
RECT rect;
::GetClientRect(m_viewWindow, &rect);
IntRect clientRect(rect);
auto pixelSize = D2D1::SizeU(clientRect.width(), clientRect.height());
auto hwndRenderTargetProperties = D2D1::HwndRenderTargetProperties(m_viewWindow, pixelSize, D2D1_PRESENT_OPTIONS_IMMEDIATELY);
HRESULT hr = GraphicsContext::systemFactory()->CreateHwndRenderTarget(&renderTargetProperties, &hwndRenderTargetProperties, &m_renderTarget);
if (!SUCCEEDED(hr))
return;
}
RECT clientRect = {};
PlatformContextDirect2D platformContext(m_renderTarget.get());
GraphicsContextWin gc(&platformContext, GraphicsContext::BitmapRenderingContextType::GPUMemory);
{
m_renderTarget->SetTags(WEBKIT_DRAWING, __LINE__);
m_renderTarget->Clear();
// Direct2D honors the scale factor natively.
float scaleFactor = 1.0f;
float inverseScaleFactor = 1.0f / scaleFactor;
GetClientRect(m_viewWindow, &clientRect);
IntRect dirtyRectPixels(0, 0, clientRect.right, clientRect.bottom);
FloatRect logicalDirtyRectFloat = dirtyRectPixels;
logicalDirtyRectFloat.scale(inverseScaleFactor);
IntRect logicalDirtyRect(enclosingIntRect(logicalDirtyRectFloat));
if (frameView && frameView->frame().contentRenderer()) {
gc.save();
gc.scale(FloatSize(scaleFactor, scaleFactor));
gc.clip(logicalDirtyRect);
frameView->paint(gc, logicalDirtyRect);
if (m_shouldInvertColors)
gc.fillRect(logicalDirtyRect, Color::white, CompositeOperator::Difference);
gc.restore();
}
}
::ValidateRect(m_viewWindow, &clientRect);
#else
ASSERT_NOT_REACHED();
#endif
}
void WebView::paint(HDC dc, LPARAM options)
{
LOCAL_GDI_COUNTER(0, __FUNCTION__);
m_page->isolatedUpdateRendering();
if (paintCompositedContentToHDC(dc)) {
::ValidateRect(m_viewWindow, nullptr);
return;
}
Frame* coreFrame = core(m_mainFrame);
if (!coreFrame)
return;
FrameView* frameView = coreFrame->view();
RECT rcPaint;
HDC hdc;
GDIObject<HRGN> region;
int regionType = NULLREGION;
PAINTSTRUCT ps;
if (!dc) {
region = adoptGDIObject(::CreateRectRgn(0, 0, 0, 0));
regionType = GetUpdateRgn(m_viewWindow, region.get(), false);
hdc = BeginPaint(m_viewWindow, &ps);
rcPaint = ps.rcPaint;
} else {
hdc = dc;
::GetClientRect(m_viewWindow, &rcPaint);
if (options & PRF_ERASEBKGND)
::FillRect(hdc, &rcPaint, (HBRUSH)GetStockObject(WHITE_BRUSH));
}
bool backingStoreCompletelyDirty = ensureBackingStore();
if (!m_backingStoreBitmap) {
if (!dc)
EndPaint(m_viewWindow, &ps);
return;
}
auto bitmapDC = adoptGDIObject(::CreateCompatibleDC(hdc));
HGDIOBJ oldBitmap = ::SelectObject(bitmapDC.get(), m_backingStoreBitmap->get());
// Update our backing store if needed.
updateBackingStore(frameView, bitmapDC.get(), backingStoreCompletelyDirty);
// Now we blit the updated backing store
IntRect windowDirtyRect = rcPaint;
// Apply the same heuristic for this update region too.
Vector<IntRect> blitRects;
if (region && regionType == COMPLEXREGION)
getUpdateRects(region.get(), windowDirtyRect, blitRects);
else
blitRects.append(windowDirtyRect);
for (unsigned i = 0; i < blitRects.size(); ++i)
paintIntoWindow(bitmapDC.get(), hdc, blitRects[i]);
::SelectObject(bitmapDC.get(), oldBitmap);
if (!dc) {
EndPaint(m_viewWindow, &ps);
#if USE(DIRECT2D)
HRESULT hr = m_backingStoreRenderTarget->EndDraw();
// FIXME: Recognize and recover from error state:
RELEASE_ASSERT(SUCCEEDED(hr));
#endif
}
#if USE(DIRECT2D)
m_backingStoreGdiInterop->ReleaseDC(nullptr);
#endif
if (active())
cancelDeleteBackingStoreSoon();
else
deleteBackingStoreSoon();
}
void WebView::paintIntoBackingStore(FrameView* frameView, HDC bitmapDC, const IntRect& dirtyRectPixels)
{
// FIXME: This function should never be called in accelerated compositing mode, and we should
// assert as such. But currently it *is* sometimes called, so we can't assert yet. See
// <http://webkit.org/b/58539>.
LOCAL_GDI_COUNTER(0, __FUNCTION__);
// FIXME: We want an assert here saying that the dirtyRect is inside the clienRect,
// but it was being hit during our layout tests, and is being investigated in
// http://webkit.org/b/29350.
RECT rect = dirtyRectPixels;
if (!bitmapDC)
return;
#if FLASH_BACKING_STORE_REDRAW
{
HWndDC dc(m_viewWindow);
auto yellowBrush = adoptGDIObject(::CreateSolidBrush(RGB(255, 255, 0)));
FillRect(dc, &rect, yellowBrush.get());
GdiFlush();
Sleep(50);
paintIntoWindow(bitmapDC, dc, dirtyRectPixels);
}
#endif
float scaleFactor = deviceScaleFactor();
float inverseScaleFactor = 1.0f / scaleFactor;
FloatRect logicalDirtyRectFloat = dirtyRectPixels;
logicalDirtyRectFloat.scale(inverseScaleFactor);
IntRect logicalDirtyRect(enclosingIntRect(logicalDirtyRectFloat));
#if USE(DIRECT2D)
m_backingStoreRenderTarget = nullptr;
#endif
GraphicsContextWin gc(bitmapDC, m_transparent);
gc.save();
if (m_transparent)
gc.clearRect(logicalDirtyRect);
else
FillRect(bitmapDC, &rect, (HBRUSH)GetStockObject(WHITE_BRUSH));
COMPtr<IWebUIDelegatePrivate2> uiPrivate(Query, m_uiDelegate);
if (uiPrivate)
uiPrivate->drawBackground(this, bitmapDC, &rect);
if (frameView && frameView->frame().contentRenderer()) {
gc.save();
gc.scale(FloatSize(scaleFactor, scaleFactor));
gc.clip(logicalDirtyRect);
frameView->paint(gc, logicalDirtyRect);
if (m_shouldInvertColors)
gc.fillRect(logicalDirtyRect, Color::white, CompositeOperator::Difference);
gc.restore();
}
gc.restore();
}
void WebView::paintIntoWindow(HDC bitmapDC, HDC windowDC, const IntRect& dirtyRectPixels)
{
// FIXME: This function should never be called in accelerated compositing mode, and we should
// assert as such. But currently it *is* sometimes called, so we can't assert yet. See
// <http://webkit.org/b/58539>.
LOCAL_GDI_COUNTER(0, __FUNCTION__);
#if FLASH_WINDOW_REDRAW
auto greenBrush = adoptGDIObject(::CreateSolidBrush(RGB(0, 255, 0)));
RECT rect = dirtyRectPixels;
FillRect(windowDC, &rect, greenBrush.get());
GdiFlush();
Sleep(50);
#endif
// Blit the dirty rect from the backing store into the same position
// in the destination DC.
BitBlt(windowDC, dirtyRectPixels.x(), dirtyRectPixels.y(), dirtyRectPixels.width(), dirtyRectPixels.height(), bitmapDC,
dirtyRectPixels.x(), dirtyRectPixels.y(), SRCCOPY);
m_needsDisplay = false;
}
void WebView::frameRect(RECT* rect)
{
::GetWindowRect(m_viewWindow, rect);
}
void WebView::closeWindow()
{
if (m_hasSpellCheckerDocumentTag) {
if (m_editingDelegate)
m_editingDelegate->closeSpellDocument(this);
m_hasSpellCheckerDocumentTag = false;
}
COMPtr<IWebUIDelegate> ui;
if (SUCCEEDED(uiDelegate(&ui)))
ui->webViewClose(this);
}
bool WebView::canHandleRequest(const WebCore::ResourceRequest& request)
{
#if USE(CFURLCONNECTION)
// On the Mac there's an about URL protocol implementation but Windows CFNetwork doesn't have that.
if (request.url().protocolIs("about"))
return true;
return CFURLProtocolCanHandleRequest(request.cfURLRequest(UpdateHTTPBody));
#else
return true;
#endif
}
String WebView::standardUserAgentWithApplicationName(const String& applicationName)
{
static const NeverDestroyed<String> prefix = makeString("Mozilla/5.0 (", windowsVersionForUAString(), ") AppleWebKit/", webKitVersionString(), " (KHTML, like Gecko)");
return makeString(prefix.get(), applicationName.isEmpty() ? "" : " ", applicationName);
}
Page* WebView::page()
{
return m_page;
}
#if ENABLE(CONTEXT_MENUS)
static HMENU createContextMenuFromItems(const Vector<ContextMenuItem>& items)
{
HMENU menu = ::CreatePopupMenu();
for (auto& item : items) {
UINT flags = 0;
flags |= item.enabled() ? MF_ENABLED : MF_DISABLED;
flags |= item.checked() ? MF_CHECKED : MF_UNCHECKED;
switch (item.type()) {
case ActionType:
case CheckableActionType:
::AppendMenu(menu, flags | MF_STRING, item.action(), item.title().wideCharacters().data());
break;
case SeparatorType:
::AppendMenu(menu, flags | MF_SEPARATOR, item.action(), nullptr);
break;
case SubmenuType:
::AppendMenu(menu, flags | MF_POPUP, (UINT_PTR)createContextMenuFromItems(item.subMenuItems()), item.title().wideCharacters().data());
break;
}
}
return menu;
}
HMENU WebView::createContextMenu()
{
auto& contextMenuController = m_page->contextMenuController();
ContextMenu* coreMenu = contextMenuController.contextMenu();
if (!coreMenu)
return nullptr;
HMENU contextMenu = createContextMenuFromItems(coreMenu->items());
COMPtr<IWebUIDelegate> uiDelegate;
if (SUCCEEDED(this->uiDelegate(&uiDelegate))) {
ASSERT(uiDelegate);
COMPtr<WebElementPropertyBag> propertyBag;
propertyBag.adoptRef(WebElementPropertyBag::createInstance(contextMenuController.hitTestResult()));
HMENU newMenu = nullptr;
if (SUCCEEDED(uiDelegate->contextMenuItemsForElement(this, propertyBag.get(), contextMenu, &newMenu))) {
// Make sure to delete the old menu if the delegate returned a new menu.
if (newMenu != contextMenu) {
::DestroyMenu(contextMenu);
contextMenu = newMenu;
}
}
}
return contextMenu;
}
#endif
bool WebView::handleContextMenuEvent(WPARAM wParam, LPARAM lParam)
{
#if ENABLE(CONTEXT_MENUS)
// Translate the screen coordinates into window coordinates
POINT coords = { GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam) };
if (coords.x == -1 || coords.y == -1) {
// The contextMenuController() holds onto the last context menu that was popped up on the
// page until a new one is created. We need to clear this menu before propagating the event
// through the DOM so that we can detect if we create a new menu for this event, since we
// won't create a new menu if the DOM swallows the event and the defaultEventHandler does
// not run.
m_page->contextMenuController().clearContextMenu();
Frame& focusedFrame = m_page->focusController().focusedOrMainFrame();
return focusedFrame.eventHandler().sendContextMenuEventForKey();
} else {
if (!::ScreenToClient(m_viewWindow, &coords))
return false;
}
lParam = MAKELPARAM(coords.x, coords.y);
// Convert coordinates to logical pixels
float scaleFactor = deviceScaleFactor();
float inverseScaleFactor = 1.0f / scaleFactor;
IntPoint logicalCoords(coords);
logicalCoords.scale(inverseScaleFactor, inverseScaleFactor);
m_page->contextMenuController().clearContextMenu();
IntPoint documentPoint(m_page->mainFrame().view()->windowToContents(logicalCoords));
constexpr OptionSet<HitTestRequest::Type> hitType { HitTestRequest::Type::ReadOnly, HitTestRequest::Type::Active, HitTestRequest::Type::DisallowUserAgentShadowContent, HitTestRequest::Type::AllowChildFrameContent };
HitTestResult result = m_page->mainFrame().eventHandler().hitTestResultAtPoint(documentPoint, hitType);
Frame* targetFrame = result.innerNonSharedNode() ? result.innerNonSharedNode()->document().frame() : &m_page->focusController().focusedOrMainFrame();
targetFrame->view()->setCursor(pointerCursor());
PlatformMouseEvent mouseEvent(m_viewWindow, WM_RBUTTONUP, wParam, makeScaledPoint(IntPoint(GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam)), deviceScaleFactor()));
bool handledEvent = targetFrame->eventHandler().sendContextMenuEvent(mouseEvent);
if (!handledEvent)
return false;
ContextMenuController& contextMenuController = m_page->contextMenuController();
// Show the menu
ContextMenu* coreMenu = contextMenuController.contextMenu();
if (!coreMenu)
return false;
Frame* frame = contextMenuController.hitTestResult().innerNodeFrame();
if (!frame)
return false;
FrameView* view = frame->view();
if (!view)
return false;
IntPoint logicalPoint = view->contentsToWindow(contextMenuController.hitTestResult().roundedPointInInnerNodeFrame());
logicalPoint.scale(scaleFactor, scaleFactor);
// Translate the point to screen coordinates
POINT point = logicalPoint;
if (!::ClientToScreen(m_viewWindow, &point))
return false;
if (m_currentContextMenu)
::DestroyMenu(m_currentContextMenu);
m_currentContextMenu = createContextMenu();
MENUINFO menuInfo;
menuInfo.cbSize = sizeof(menuInfo);
menuInfo.fMask = MIM_STYLE;
menuInfo.dwStyle = MNS_NOTIFYBYPOS;
::SetMenuInfo(m_currentContextMenu, &menuInfo);
BOOL hasCustomMenus = false;
if (m_uiDelegate)
m_uiDelegate->hasCustomMenuImplementation(&hasCustomMenus);
if (hasCustomMenus)
m_uiDelegate->trackCustomPopupMenu((IWebView*)this, m_currentContextMenu, &point);
else {
// Surprisingly, TPM_RIGHTBUTTON means that items are selectable with either the right OR left mouse button
UINT flags = TPM_RIGHTBUTTON | TPM_TOPALIGN | TPM_VERPOSANIMATION | TPM_HORIZONTAL | TPM_LEFTALIGN | TPM_HORPOSANIMATION;
::TrackPopupMenuEx(m_currentContextMenu, flags, point.x, point.y, m_viewWindow, 0);
}
return true;
#else
UNUSED_PARAM(wParam);
UNUSED_PARAM(lParam);
return false;
#endif
}
bool WebView::onMeasureItem(WPARAM /*wParam*/, LPARAM lParam)
{
if (!m_uiDelegate)
return false;
BOOL hasCustomMenus = false;
m_uiDelegate->hasCustomMenuImplementation(&hasCustomMenus);
if (!hasCustomMenus)
return false;
m_uiDelegate->measureCustomMenuItem((IWebView*)this, (void*)lParam);
return true;
}
bool WebView::onDrawItem(WPARAM /*wParam*/, LPARAM lParam)
{
if (!m_uiDelegate)
return false;
BOOL hasCustomMenus = false;
m_uiDelegate->hasCustomMenuImplementation(&hasCustomMenus);
if (!hasCustomMenus)
return false;
m_uiDelegate->drawCustomMenuItem((IWebView*)this, (void*)lParam);
return true;
}
bool WebView::onInitMenuPopup(WPARAM wParam, LPARAM /*lParam*/)
{
if (!m_uiDelegate)
return false;
HMENU menu = (HMENU)wParam;
if (!menu)
return false;
BOOL hasCustomMenus = false;
m_uiDelegate->hasCustomMenuImplementation(&hasCustomMenus);
if (!hasCustomMenus)
return false;
m_uiDelegate->addCustomMenuDrawingData((IWebView*)this, menu);
return true;
}
bool WebView::onUninitMenuPopup(WPARAM wParam, LPARAM /*lParam*/)
{
if (!m_uiDelegate)
return false;
HMENU menu = (HMENU)wParam;
if (!menu)
return false;
BOOL hasCustomMenus = false;
m_uiDelegate->hasCustomMenuImplementation(&hasCustomMenus);
if (!hasCustomMenus)
return false;
m_uiDelegate->cleanUpCustomMenuDrawingData((IWebView*)this, menu);
return true;
}
void WebView::onMenuCommand(WPARAM wParam, LPARAM lParam)
{
#if ENABLE(CONTEXT_MENUS)
HMENU hMenu = reinterpret_cast<HMENU>(lParam);
unsigned index = static_cast<unsigned>(wParam);
MENUITEMINFO menuItemInfo { };
menuItemInfo.cbSize = sizeof(menuItemInfo);
menuItemInfo.fMask = MIIM_STRING;
::GetMenuItemInfo(hMenu, index, true, &menuItemInfo);
Vector<WCHAR> buffer(menuItemInfo.cch + 1);
menuItemInfo.dwTypeData = buffer.data();
menuItemInfo.cch++;
menuItemInfo.fMask |= MIIM_ID;
::GetMenuItemInfo(hMenu, index, true, &menuItemInfo);
::DestroyMenu(m_currentContextMenu);
m_currentContextMenu = nullptr;
String title(buffer.data(), menuItemInfo.cch);
ContextMenuAction action = static_cast<ContextMenuAction>(menuItemInfo.wID);
if (action >= ContextMenuItemBaseApplicationTag) {
if (m_uiDelegate) {
COMPtr<WebElementPropertyBag> propertyBag;
propertyBag.adoptRef(WebElementPropertyBag::createInstance(m_page->contextMenuController().hitTestResult()));
m_uiDelegate->contextMenuItemSelected(this, &menuItemInfo, propertyBag.get());
}
return;
}
m_page->contextMenuController().contextMenuItemSelected(action, title);
#else
UNUSED_PARAM(wParam);
UNUSED_PARAM(lParam);
#endif
}
bool WebView::handleMouseEvent(UINT message, WPARAM wParam, LPARAM lParam)
{
static LONG globalClickCount;
static IntPoint globalPrevPoint;
static MouseButton globalPrevButton;
static LONG globalPrevMouseDownTime;
if (message == WM_CANCELMODE) {
m_page->mainFrame().eventHandler().lostMouseCapture();
return true;
}
// Create our event.
// On WM_MOUSELEAVE we need to create a mouseout event, so we force the position
// of the event to be at (MINSHORT, MINSHORT).
LPARAM position = (message == WM_MOUSELEAVE) ? ((MINSHORT << 16) | MINSHORT) : makeScaledPoint(IntPoint(GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam)), deviceScaleFactor());
PlatformMouseEvent mouseEvent(m_viewWindow, message, wParam, position, m_mouseActivated);
setMouseActivated(false);
bool insideThreshold = abs(globalPrevPoint.x() - mouseEvent.position().x()) < ::GetSystemMetrics(SM_CXDOUBLECLK) &&
abs(globalPrevPoint.y() - mouseEvent.position().y()) < ::GetSystemMetrics(SM_CYDOUBLECLK);
LONG messageTime = ::GetMessageTime();
bool handled = false;
if (message == WM_LBUTTONDOWN || message == WM_MBUTTONDOWN || message == WM_RBUTTONDOWN) {
// FIXME: I'm not sure if this is the "right" way to do this
// but without this call, we never become focused since we don't allow
// the default handling of mouse events.
SetFocus(m_viewWindow);
// Always start capturing events when the mouse goes down in our HWND.
::SetCapture(m_viewWindow);
if ((messageTime - globalPrevMouseDownTime) < getDoubleClickTime()
&& insideThreshold
&& mouseEvent.button() == globalPrevButton)
globalClickCount++;
else
// Reset the click count.
globalClickCount = 1;
globalPrevMouseDownTime = messageTime;
globalPrevButton = mouseEvent.button();
globalPrevPoint = mouseEvent.position();
mouseEvent.setClickCount(globalClickCount);
handled = m_page->mainFrame().eventHandler().handleMousePressEvent(mouseEvent);
} else if (message == WM_LBUTTONDBLCLK || message == WM_MBUTTONDBLCLK || message == WM_RBUTTONDBLCLK) {
globalClickCount++;
mouseEvent.setClickCount(globalClickCount);
handled = m_page->mainFrame().eventHandler().handleMousePressEvent(mouseEvent);
} else if (message == WM_LBUTTONUP || message == WM_MBUTTONUP || message == WM_RBUTTONUP) {
// Record the global position and the button of the up.
globalPrevButton = mouseEvent.button();
globalPrevPoint = mouseEvent.position();
mouseEvent.setClickCount(globalClickCount);
m_page->mainFrame().eventHandler().handleMouseReleaseEvent(mouseEvent);
::ReleaseCapture();
} else if (message == WM_MOUSELEAVE && m_mouseOutTracker) {
// Once WM_MOUSELEAVE is fired windows clears this tracker
// so there is no need to disable it ourselves.
m_mouseOutTracker.reset();
m_page->mainFrame().eventHandler().mouseMoved(mouseEvent);
handled = true;
} else if (message == WM_MOUSEMOVE) {
if (!insideThreshold)
globalClickCount = 0;
mouseEvent.setClickCount(globalClickCount);
handled = m_page->mainFrame().eventHandler().mouseMoved(mouseEvent);
if (!m_mouseOutTracker) {
m_mouseOutTracker = makeUniqueWithoutFastMallocCheck<TRACKMOUSEEVENT>();
m_mouseOutTracker->cbSize = sizeof(TRACKMOUSEEVENT);
m_mouseOutTracker->dwFlags = TME_LEAVE;
m_mouseOutTracker->hwndTrack = m_viewWindow;
::TrackMouseEvent(m_mouseOutTracker.get());
}
}
return handled;
}
bool WebView::gestureNotify(WPARAM wParam, LPARAM lParam)
{
GESTURENOTIFYSTRUCT* gn = reinterpret_cast<GESTURENOTIFYSTRUCT*>(lParam);
Frame* coreFrame = core(m_mainFrame);
if (!coreFrame)
return false;
ScrollView* view = coreFrame->view();
if (!view)
return false;
// If we don't have this function, we shouldn't be receiving this message
ASSERT(SetGestureConfigPtr());
bool hitScrollbar = false;
POINT gestureBeginPoint = {gn->ptsLocation.x, gn->ptsLocation.y};
float scaleFactor = deviceScaleFactor();
float inverseScaleFactor = 1.0f / scaleFactor;
IntPoint logicalGestureBeginPoint(gestureBeginPoint);
logicalGestureBeginPoint.scale(inverseScaleFactor, inverseScaleFactor);
HitTestRequest request { OptionSet<HitTestRequest::Type> { HitTestRequest::Type::ReadOnly, HitTestRequest::Type::DisallowUserAgentShadowContent } };
for (RefPtr<Frame> childFrame = &m_page->mainFrame(); childFrame; childFrame = EventHandler::subframeForTargetNode(m_gestureTargetNode.get())) {
FrameView* frameView = childFrame->view();
if (!frameView)
break;
RenderView* renderView = childFrame->document()->renderView();
if (!renderView)
break;
RenderLayer* layer = renderView->layer();
if (!layer)
break;
HitTestResult result(frameView->screenToContents(logicalGestureBeginPoint));
layer->hitTest(request, result);
m_gestureTargetNode = result.innerNode();
if (!hitScrollbar)
hitScrollbar = result.scrollbar();
}
if (!hitScrollbar) {
// The hit testing above won't detect if we've hit the main frame's vertical scrollbar. Check that manually now.
RECT webViewRect;
GetWindowRect(m_viewWindow, &webViewRect);
hitScrollbar = (view->verticalScrollbar() && (gestureBeginPoint.x > (webViewRect.right - view->verticalScrollbar()->theme().scrollbarThickness())))
|| (view->horizontalScrollbar() && (gestureBeginPoint.y > (webViewRect.bottom - view->horizontalScrollbar()->theme().scrollbarThickness())));
}
bool canBeScrolled = false;
if (m_gestureTargetNode) {
for (RenderObject* renderer = m_gestureTargetNode->renderer(); renderer; renderer = renderer->parent()) {
if (is<RenderBox>(*renderer) && downcast<RenderBox>(*renderer).canBeScrolledAndHasScrollableArea()) {
canBeScrolled = true;
break;
}
}
} else {
// We've hit the main document but not any of the document's content
if (core(m_mainFrame)->view()->isScrollable())
canBeScrolled = true;
}
// We always allow two-fingered panning with inertia and a gutter (which limits movement to one
// direction in most cases).
DWORD dwPanWant = GC_PAN | GC_PAN_WITH_INERTIA | GC_PAN_WITH_GUTTER;
DWORD dwPanBlock = 0;
if (hitScrollbar || !canBeScrolled) {
// The part of the page under the gesture can't be scrolled, or the gesture is on a scrollbar.
// Disallow single-fingered panning in this case so we'll fall back to the default
// behavior (which allows the scrollbar thumb to be dragged, text selections to be made, etc.).
dwPanBlock = GC_PAN_WITH_SINGLE_FINGER_VERTICALLY | GC_PAN_WITH_SINGLE_FINGER_HORIZONTALLY;
} else {
// The part of the page the gesture is under can be scrolled, and we're not under a scrollbar.
// Allow single-fingered vertical panning in this case, so the user will be able to pan the page
// with one or two fingers.
dwPanWant |= GC_PAN_WITH_SINGLE_FINGER_VERTICALLY;
// Disable single-fingered horizontal panning only if the target node is text.
if (m_gestureTargetNode && m_gestureTargetNode->isTextNode())
dwPanBlock = GC_PAN_WITH_SINGLE_FINGER_HORIZONTALLY;
else
dwPanWant |= GC_PAN_WITH_SINGLE_FINGER_HORIZONTALLY;
}
GESTURECONFIG gc = { GID_PAN, dwPanWant, dwPanBlock };
return SetGestureConfigPtr()(m_viewWindow, 0, 1, &gc, sizeof(GESTURECONFIG));
}
bool WebView::gesture(WPARAM wParam, LPARAM lParam)
{
// We want to bail out if we don't have either of these functions
if (!GetGestureInfoPtr() || !CloseGestureInfoHandlePtr())
return false;
HGESTUREINFO gestureHandle = reinterpret_cast<HGESTUREINFO>(lParam);
GESTUREINFO gi { };
gi.cbSize = sizeof(GESTUREINFO);
if (!GetGestureInfoPtr()(gestureHandle, reinterpret_cast<PGESTUREINFO>(&gi)))
return false;
switch (gi.dwID) {
case GID_BEGIN:
m_lastPanX = gi.ptsLocation.x;
m_lastPanY = gi.ptsLocation.y;
break;
case GID_END:
m_gestureTargetNode = nullptr;
break;
case GID_PAN: {
if (gi.dwFlags & GF_BEGIN) {
m_lastPanX = gi.ptsLocation.x;
m_lastPanY = gi.ptsLocation.y;
}
// Where are the fingers currently?
long currentX = gi.ptsLocation.x;
long currentY = gi.ptsLocation.y;
// How far did we pan in each direction?
long deltaX = currentX - m_lastPanX;
long deltaY = currentY - m_lastPanY;
// Calculate the overpan for window bounce
m_yOverpan -= m_lastPanY - currentY;
m_xOverpan -= m_lastPanX - currentX;
// Update our class variables with updated values
m_lastPanX = currentX;
m_lastPanY = currentY;
Frame* coreFrame = core(m_mainFrame);
if (!coreFrame) {
CloseGestureInfoHandlePtr()(gestureHandle);
return false;
}
ScrollableArea* scrolledArea = 0;
float scaleFactor = deviceScaleFactor();
IntSize logicalScrollDelta(-deltaX * scaleFactor, -deltaY * scaleFactor);
RenderLayer* scrollableArea = nullptr;
if (m_gestureTargetNode && m_gestureTargetNode->renderer()) {
if (auto* layer = m_gestureTargetNode->renderer()->enclosingLayer())
scrollableArea = layer->enclosingScrollableLayer(IncludeSelfOrNot::ExcludeSelf, CrossFrameBoundaries::Yes);
}
if (!scrollableArea) {
// We might directly hit the document without hitting any nodes
coreFrame->view()->scrollBy(logicalScrollDelta);
scrolledArea = coreFrame->view();
} else
scrollableArea->ensureLayerScrollableArea()->scrollByRecursively(logicalScrollDelta, &scrolledArea);
if (!(UpdatePanningFeedbackPtr() && BeginPanningFeedbackPtr() && EndPanningFeedbackPtr())) {
CloseGestureInfoHandlePtr()(gestureHandle);
return true;
}
// Handle overpanning
if (gi.dwFlags & GF_BEGIN) {
BeginPanningFeedbackPtr()(m_viewWindow);
m_yOverpan = 0;
m_xOverpan = 0;
} else if (gi.dwFlags & GF_END) {
EndPanningFeedbackPtr()(m_viewWindow, true);
m_yOverpan = 0;
m_xOverpan = 0;
}
if (!scrolledArea) {
CloseGestureInfoHandlePtr()(gestureHandle);
return true;
}
Scrollbar* vertScrollbar = scrolledArea->verticalScrollbar();
int ypan = 0;
int xpan = 0;
if (vertScrollbar && (!vertScrollbar->currentPos() || vertScrollbar->currentPos() >= vertScrollbar->maximum()))
ypan = m_yOverpan;
Scrollbar* horiScrollbar = scrolledArea->horizontalScrollbar();
if (horiScrollbar && (!horiScrollbar->currentPos() || horiScrollbar->currentPos() >= horiScrollbar->maximum()))
xpan = m_xOverpan;
UpdatePanningFeedbackPtr()(m_viewWindow, xpan, ypan, gi.dwFlags & GF_INERTIA);
CloseGestureInfoHandlePtr()(gestureHandle);
return true;
}
default:
break;
}
// If we get to this point, the gesture has not been handled. We forward
// the call to DefWindowProc by returning false, and we don't need to
// to call CloseGestureInfoHandle.
// http://msdn.microsoft.com/en-us/library/dd353228(VS.85).aspx
return false;
}
bool WebView::mouseWheel(WPARAM wParam, LPARAM lParam, bool isMouseHWheel)
{
// Ctrl+Mouse wheel doesn't ever go into WebCore. It is used to
// zoom instead (Mac zooms the whole Desktop, but Windows browsers trigger their
// own local zoom modes for Ctrl+wheel).
if (wParam & MK_CONTROL) {
short delta = short(HIWORD(wParam));
if (delta < 0)
makeTextSmaller(0);
else
makeTextLarger(0);
return true;
}
// FIXME: This doesn't fix https://bugs.webkit.org/show_bug.cgi?id=28217. This only fixes https://bugs.webkit.org/show_bug.cgi?id=28203.
HWND focusedWindow = GetFocus();
if (focusedWindow && focusedWindow != m_viewWindow) {
// Our focus is on a different hwnd, see if it's a PopupMenu and if so, set the focus back on us (which will hide the popup).
WCHAR className[256];
// Make sure truncation won't affect the comparison.
ASSERT(WTF_ARRAY_LENGTH(className) > wcslen(PopupMenuWin::popupClassName()));
if (GetClassNameW(focusedWindow, className, WTF_ARRAY_LENGTH(className)) && !wcscmp(className, PopupMenuWin::popupClassName())) {
// We don't let the WebView scroll here for two reasons - 1) To match Firefox behavior, 2) If we do scroll, we lose the
// focus ring around the select menu.
SetFocus(m_viewWindow);
return true;
}
}
PlatformWheelEvent wheelEvent(m_viewWindow, wParam, lParam, isMouseHWheel);
Frame* coreFrame = core(m_mainFrame);
if (!coreFrame)
return false;
return coreFrame->eventHandler().handleWheelEvent(wheelEvent, { WheelEventProcessingSteps::MainThreadForScrolling, WheelEventProcessingSteps::MainThreadForBlockingDOMEventDispatch });
}
bool WebView::verticalScroll(WPARAM wParam, LPARAM /*lParam*/)
{
ScrollDirection direction;
ScrollGranularity granularity;
switch (LOWORD(wParam)) {
case SB_LINEDOWN:
granularity = ScrollGranularity::Line;
direction = ScrollDown;
break;
case SB_LINEUP:
granularity = ScrollGranularity::Line;
direction = ScrollUp;
break;
case SB_PAGEDOWN:
granularity = ScrollGranularity::Document;
direction = ScrollDown;
break;
case SB_PAGEUP:
granularity = ScrollGranularity::Document;
direction = ScrollUp;
break;
default:
return false;
break;
}
Frame& frame = m_page->focusController().focusedOrMainFrame();
return frame.eventHandler().scrollRecursively(direction, granularity);
}
bool WebView::horizontalScroll(WPARAM wParam, LPARAM /*lParam*/)
{
ScrollDirection direction;
ScrollGranularity granularity;
switch (LOWORD(wParam)) {
case SB_LINELEFT:
granularity = ScrollGranularity::Line;
direction = ScrollLeft;
break;
case SB_LINERIGHT:
granularity = ScrollGranularity::Line;
direction = ScrollRight;
break;
case SB_PAGELEFT:
granularity = ScrollGranularity::Document;
direction = ScrollLeft;
break;
case SB_PAGERIGHT:
granularity = ScrollGranularity::Document;
direction = ScrollRight;
break;
default:
return false;
}
Frame& frame = m_page->focusController().focusedOrMainFrame();
return frame.eventHandler().scrollRecursively(direction, granularity);
}
bool WebView::execCommand(WPARAM wParam, LPARAM /*lParam*/)
{
Frame& frame = m_page->focusController().focusedOrMainFrame();
switch (LOWORD(wParam)) {
case SelectAll:
return frame.editor().command("SelectAll").execute();
case Undo:
return frame.editor().command("Undo").execute();
case Redo:
return frame.editor().command("Redo").execute();
}
return false;
}
bool WebView::keyUp(WPARAM virtualKeyCode, LPARAM keyData, bool systemKeyDown)
{
PlatformKeyboardEvent keyEvent(m_viewWindow, virtualKeyCode, keyData, PlatformEvent::KeyUp, systemKeyDown);
Frame& frame = m_page->focusController().focusedOrMainFrame();
m_currentCharacterCode = 0;
return frame.eventHandler().keyEvent(keyEvent);
}
static const unsigned CtrlKey = 1 << 0;
static const unsigned AltKey = 1 << 1;
static const unsigned ShiftKey = 1 << 2;
struct KeyDownEntry {
unsigned virtualKey;
unsigned modifiers;
const char* name;
};
struct KeyPressEntry {
unsigned charCode;
unsigned modifiers;
const char* name;
};
static const KeyDownEntry keyDownEntries[] = {
{ VK_LEFT, 0, "MoveLeft" },
{ VK_LEFT, ShiftKey, "MoveLeftAndModifySelection" },
{ VK_LEFT, CtrlKey, "MoveWordLeft" },
{ VK_LEFT, CtrlKey | ShiftKey, "MoveWordLeftAndModifySelection" },
{ VK_RIGHT, 0, "MoveRight" },
{ VK_RIGHT, ShiftKey, "MoveRightAndModifySelection" },
{ VK_RIGHT, CtrlKey, "MoveWordRight" },
{ VK_RIGHT, CtrlKey | ShiftKey, "MoveWordRightAndModifySelection" },
{ VK_UP, 0, "MoveUp" },
{ VK_UP, ShiftKey, "MoveUpAndModifySelection" },
{ VK_PRIOR, ShiftKey, "MovePageUpAndModifySelection" },
{ VK_DOWN, 0, "MoveDown" },
{ VK_DOWN, ShiftKey, "MoveDownAndModifySelection" },
{ VK_NEXT, ShiftKey, "MovePageDownAndModifySelection" },
{ VK_PRIOR, 0, "MovePageUp" },
{ VK_NEXT, 0, "MovePageDown" },
{ VK_HOME, 0, "MoveToBeginningOfLine" },
{ VK_HOME, ShiftKey, "MoveToBeginningOfLineAndModifySelection" },
{ VK_HOME, CtrlKey, "MoveToBeginningOfDocument" },
{ VK_HOME, CtrlKey | ShiftKey, "MoveToBeginningOfDocumentAndModifySelection" },
{ VK_END, 0, "MoveToEndOfLine" },
{ VK_END, ShiftKey, "MoveToEndOfLineAndModifySelection" },
{ VK_END, CtrlKey, "MoveToEndOfDocument" },
{ VK_END, CtrlKey | ShiftKey, "MoveToEndOfDocumentAndModifySelection" },
{ VK_BACK, 0, "DeleteBackward" },
{ VK_BACK, ShiftKey, "DeleteBackward" },
{ VK_DELETE, 0, "DeleteForward" },
{ VK_BACK, CtrlKey, "DeleteWordBackward" },
{ VK_DELETE, CtrlKey, "DeleteWordForward" },
{ 'B', CtrlKey, "ToggleBold" },
{ 'I', CtrlKey, "ToggleItalic" },
{ VK_ESCAPE, 0, "Cancel" },
{ VK_OEM_PERIOD, CtrlKey, "Cancel" },
{ VK_TAB, 0, "InsertTab" },
{ VK_TAB, ShiftKey, "InsertBacktab" },
{ VK_RETURN, 0, "InsertNewline" },
{ VK_RETURN, CtrlKey, "InsertNewline" },
{ VK_RETURN, AltKey, "InsertNewline" },
{ VK_RETURN, ShiftKey, "InsertNewline" },
{ VK_RETURN, AltKey | ShiftKey, "InsertNewline" },
// It's not quite clear whether clipboard shortcuts and Undo/Redo should be handled
// in the application or in WebKit. We chose WebKit.
{ 'C', CtrlKey, "Copy" },
{ 'V', CtrlKey, "Paste" },
{ 'X', CtrlKey, "Cut" },
{ 'A', CtrlKey, "SelectAll" },
{ VK_INSERT, CtrlKey, "Copy" },
{ VK_DELETE, ShiftKey, "Cut" },
{ VK_INSERT, ShiftKey, "Paste" },
{ 'Z', CtrlKey, "Undo" },
{ 'Z', CtrlKey | ShiftKey, "Redo" },
};
static const KeyPressEntry keyPressEntries[] = {
{ '\t', 0, "InsertTab" },
{ '\t', ShiftKey, "InsertBacktab" },
{ '\r', 0, "InsertNewline" },
{ '\r', CtrlKey, "InsertNewline" },
{ '\r', AltKey, "InsertNewline" },
{ '\r', ShiftKey, "InsertNewline" },
{ '\r', AltKey | ShiftKey, "InsertNewline" },
};
const char* WebView::interpretKeyEvent(const KeyboardEvent* evt)
{
ASSERT(evt->type() == eventNames().keydownEvent || evt->type() == eventNames().keypressEvent);
static HashMap<int, const char*>* keyDownCommandsMap = 0;
static HashMap<int, const char*>* keyPressCommandsMap = 0;
if (!keyDownCommandsMap) {
keyDownCommandsMap = new HashMap<int, const char*>;
keyPressCommandsMap = new HashMap<int, const char*>;
for (size_t i = 0; i < WTF_ARRAY_LENGTH(keyDownEntries); ++i)
keyDownCommandsMap->set(keyDownEntries[i].modifiers << 16 | keyDownEntries[i].virtualKey, keyDownEntries[i].name);
for (size_t i = 0; i < WTF_ARRAY_LENGTH(keyPressEntries); ++i)
keyPressCommandsMap->set(keyPressEntries[i].modifiers << 16 | keyPressEntries[i].charCode, keyPressEntries[i].name);
}
unsigned modifiers = 0;
if (evt->shiftKey())
modifiers |= ShiftKey;
if (evt->altKey())
modifiers |= AltKey;
if (evt->ctrlKey())
modifiers |= CtrlKey;
if (evt->type() == eventNames().keydownEvent) {
int mapKey = modifiers << 16 | evt->keyCode();
return mapKey ? keyDownCommandsMap->get(mapKey) : 0;
}
int mapKey = modifiers << 16 | evt->charCode();
return mapKey ? keyPressCommandsMap->get(mapKey) : 0;
}
bool WebView::handleEditingKeyboardEvent(KeyboardEvent& event)
{
auto* frame = downcast<Node>(event.target())->document().frame();
ASSERT(frame);
auto* keyEvent = event.underlyingPlatformEvent();
if (!keyEvent || keyEvent->isSystemKey()) // do not treat this as text input if it's a system key event
return false;
if (event.type() != eventNames().keydownEvent && event.type() != eventNames().keypressEvent)
return false;
auto command = frame->editor().command(interpretKeyEvent(&event));
if (keyEvent->type() == PlatformEvent::RawKeyDown) {
// WebKit doesn't have enough information about mode to decide how commands that just insert text if executed via Editor should be treated,
// so we leave it upon WebCore to either handle them immediately (e.g. Tab that changes focus) or let a keypress event be generated
// (e.g. Tab that inserts a Tab character, or Enter).
return !command.isTextInsertion() && command.execute(&event);
}
if (command.execute(&event))
return true;
// Don't insert null or control characters as they can result in unexpected behaviour
if (event.charCode() < ' ')
return false;
return frame->editor().insertText(keyEvent->text(), &event);
}
bool WebView::keyDown(WPARAM virtualKeyCode, LPARAM keyData, bool systemKeyDown)
{
#if ENABLE(FULLSCREEN_API)
// Trap the ESC key when in full screen mode.
if (virtualKeyCode == VK_ESCAPE && isFullScreen()) {
m_fullscreenController->exitFullScreen();
return false;
}
#endif
Frame& frame = m_page->focusController().focusedOrMainFrame();
Vector<MSG> pendingCharEvents;
MSG msg;
while (PeekMessage(&msg, m_viewWindow, WM_CHAR, WM_DEADCHAR, PM_REMOVE)) {
// FIXME: remove WM_UNICHAR, too
// WM_SYSCHAR events should not be removed, because WebKit is using WM_SYSCHAR for access keys and they can't be canceled.
if (msg.message == WM_CHAR)
pendingCharEvents.append(msg);
}
PlatformKeyboardEvent keyEvent(m_viewWindow, virtualKeyCode, keyData, PlatformEvent::RawKeyDown, systemKeyDown);
bool handled = frame.eventHandler().keyEvent(keyEvent);
// These events cannot be canceled, and we have no default handling for them.
// FIXME: match IE list more closely, see <http://msdn2.microsoft.com/en-us/library/ms536938.aspx>.
if (systemKeyDown && virtualKeyCode != VK_RETURN)
return false;
if (handled)
return true;
// We need to handle back/forward using either Ctrl+Left/Right Arrow keys.
// FIXME: This logic should probably be in EventHandler::defaultArrowEventHandler().
// FIXME: Should check that other modifiers aren't pressed.
if (virtualKeyCode == VK_RIGHT && keyEvent.controlKey())
return m_page->backForward().goForward();
if (virtualKeyCode == VK_LEFT && keyEvent.controlKey())
return m_page->backForward().goBack();
// Need to scroll the page if the arrow keys, pgup/dn, or home/end are hit.
bool willScroll = true;
ScrollDirection direction { };
ScrollGranularity granularity { };
switch (virtualKeyCode) {
case VK_LEFT:
granularity = ScrollGranularity::Line;
direction = ScrollLeft;
break;
case VK_RIGHT:
granularity = ScrollGranularity::Line;
direction = ScrollRight;
break;
case VK_UP:
granularity = ScrollGranularity::Line;
direction = ScrollUp;
break;
case VK_DOWN:
granularity = ScrollGranularity::Line;
direction = ScrollDown;
break;
case VK_HOME:
granularity = ScrollGranularity::Document;
direction = ScrollUp;
break;
case VK_END:
granularity = ScrollGranularity::Document;
direction = ScrollDown;
break;
case VK_PRIOR:
granularity = ScrollGranularity::Page;
direction = ScrollUp;
break;
case VK_NEXT:
granularity = ScrollGranularity::Page;
direction = ScrollDown;
break;
default:
willScroll = false;
break;
}
if (willScroll) {
handled = frame.eventHandler().scrollRecursively(direction, granularity);
if (handled)
return true;
}
for (auto& msg : pendingCharEvents)
DispatchMessage(&msg);
return false;
}
bool WebView::keyPress(WPARAM charCode, LPARAM keyData, bool systemKeyDown)
{
Frame& frame = m_page->focusController().focusedOrMainFrame();
PlatformKeyboardEvent keyEvent(m_viewWindow, charCode, keyData, PlatformEvent::Char, systemKeyDown);
// IE does not dispatch keypress event for WM_SYSCHAR.
if (systemKeyDown)
return frame.eventHandler().handleAccessKey(keyEvent);
return frame.eventHandler().keyEvent(keyEvent);
}
void WebView::setIsBeingDestroyed()
{
m_isBeingDestroyed = true;
// Remove our this pointer from the window so we won't try to handle any more window messages.
// See <http://webkit.org/b/55054>.
::SetWindowLongPtrW(m_viewWindow, 0, 0);
}
void WebView::setShouldInvertColors(bool shouldInvertColors)
{
if (m_shouldInvertColors == shouldInvertColors)
return;
m_shouldInvertColors = shouldInvertColors;
#if USE(CA)
if (m_layerTreeHost)
m_layerTreeHost->setShouldInvertColors(shouldInvertColors);
#endif
RECT windowRect { };
frameRect(&windowRect);
// repaint expects logical pixels, so rescale here.
IntRect logicalRect(windowRect);
logicalRect.scale(1.0f / deviceScaleFactor());
repaint(logicalRect, true, true);
}
bool WebView::registerWebViewWindowClass()
{
static bool haveRegisteredWindowClass = false;
if (haveRegisteredWindowClass)
return true;
haveRegisteredWindowClass = true;
WNDCLASSEX wcex;
wcex.cbSize = sizeof(WNDCLASSEX);
wcex.style = CS_DBLCLKS;
wcex.lpfnWndProc = WebViewWndProc;
wcex.cbClsExtra = 0;
wcex.cbWndExtra = sizeof(WebView*);
wcex.hInstance = gInstance;
wcex.hIcon = 0;
wcex.hCursor = ::LoadCursor(0, IDC_ARROW);
wcex.hbrBackground = 0;
wcex.lpszMenuName = 0;
wcex.lpszClassName = kWebViewWindowClassName;
wcex.hIconSm = 0;
return !!RegisterClassEx(&wcex);
}
static HWND findTopLevelParent(HWND window)
{
if (!window)
return 0;
HWND current = window;
for (HWND parent = GetParent(current); current; current = parent, parent = GetParent(parent))
if (!parent || !(GetWindowLongPtr(current, GWL_STYLE) & (WS_POPUP | WS_CHILD)))
return current;
ASSERT_NOT_REACHED();
return 0;
}
LRESULT CALLBACK WebView::WebViewWndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
LRESULT lResult = 0;
LONG_PTR longPtr = GetWindowLongPtr(hWnd, 0);
WebView* webView = reinterpret_cast<WebView*>(longPtr);
WebFrame* mainFrameImpl = webView ? webView->topLevelFrame() : 0;
if (!mainFrameImpl)
return DefWindowProc(hWnd, message, wParam, lParam);
// We shouldn't be trying to handle any window messages after WM_DESTROY.
// See <http://webkit.org/b/55054>.
ASSERT(!webView->isBeingDestroyed());
// hold a ref, since the WebView could go away in an event handler.
COMPtr<WebView> protector(webView);
ASSERT(webView);
bool handled = true;
switch (message) {
case WM_PAINT: {
#if USE(DIRECT2D)
webView->paintWithDirect2D();
#else
webView->paint(0, 0);
#endif
if (webView->usesLayeredWindow())
webView->performLayeredWindowUpdate();
break;
}
case WM_ERASEBKGND:
// Don't perform a background erase.
handled = true;
lResult = 1;
break;
case WM_PRINTCLIENT:
webView->paint((HDC)wParam, lParam);
break;
case WM_DESTROY:
webView->setIsBeingDestroyed();
webView->close();
break;
case WM_GESTURENOTIFY:
handled = webView->gestureNotify(wParam, lParam);
break;
case WM_GESTURE:
handled = webView->gesture(wParam, lParam);
break;
case WM_MOUSEMOVE:
case WM_LBUTTONDOWN:
case WM_MBUTTONDOWN:
case WM_RBUTTONDOWN:
case WM_LBUTTONDBLCLK:
case WM_MBUTTONDBLCLK:
case WM_RBUTTONDBLCLK:
case WM_LBUTTONUP:
case WM_MBUTTONUP:
case WM_RBUTTONUP:
case WM_MOUSELEAVE:
case WM_CANCELMODE:
if (Frame* coreFrame = core(mainFrameImpl))
if (coreFrame->view()->didFirstLayout())
handled = webView->handleMouseEvent(message, wParam, lParam);
break;
case WM_MOUSEWHEEL:
case WM_VISTA_MOUSEHWHEEL:
if (Frame* coreFrame = core(mainFrameImpl))
if (coreFrame->view()->didFirstLayout())
handled = webView->mouseWheel(wParam, lParam, message == WM_VISTA_MOUSEHWHEEL);
break;
case WM_SYSKEYDOWN:
handled = webView->keyDown(wParam, lParam, true);
break;
case WM_KEYDOWN:
handled = webView->keyDown(wParam, lParam);
break;
case WM_SYSKEYUP:
handled = webView->keyUp(wParam, lParam, true);
break;
case WM_KEYUP:
handled = webView->keyUp(wParam, lParam);
break;
case WM_SYSCHAR:
handled = webView->keyPress(wParam, lParam, true);
break;
case WM_CHAR:
handled = webView->keyPress(wParam, lParam);
break;
// FIXME: We need to check WM_UNICHAR to support supplementary characters (that don't fit in 16 bits).
case WM_SIZE:
if (lParam != 0)
webView->sizeChanged(IntSize(LOWORD(lParam), HIWORD(lParam)));
break;
case WM_DPICHANGED:
webView->dpiChanged(LOWORD(wParam), IntSize(LOWORD(lParam), HIWORD(lParam)));
break;
case WM_SHOWWINDOW:
lResult = DefWindowProc(hWnd, message, wParam, lParam);
if (wParam == 0) {
// The window is being hidden (e.g., because we switched tabs).
// Null out our backing store.
webView->deleteBackingStore();
}
break;
case WM_SETFOCUS: {
COMPtr<IWebUIDelegate> uiDelegate;
COMPtr<IWebUIDelegatePrivate> uiDelegatePrivate;
if (SUCCEEDED(webView->uiDelegate(&uiDelegate)) && uiDelegate
&& SUCCEEDED(uiDelegate->QueryInterface(IID_IWebUIDelegatePrivate, (void**) &uiDelegatePrivate)) && uiDelegatePrivate)
uiDelegatePrivate->webViewReceivedFocus(webView);
FocusController& focusController = webView->page()->focusController();
if (Frame* frame = focusController.focusedFrame()) {
// Send focus events unless the previously focused window is a
// child of ours (for example a plugin).
if (!IsChild(hWnd, reinterpret_cast<HWND>(wParam)))
focusController.setFocused(true);
} else
focusController.setFocused(true);
break;
}
case WM_KILLFOCUS: {
COMPtr<IWebUIDelegate> uiDelegate;
COMPtr<IWebUIDelegatePrivate> uiDelegatePrivate;
HWND newFocusWnd = reinterpret_cast<HWND>(wParam);
if (SUCCEEDED(webView->uiDelegate(&uiDelegate)) && uiDelegate
&& SUCCEEDED(uiDelegate->QueryInterface(IID_IWebUIDelegatePrivate, (void**) &uiDelegatePrivate)) && uiDelegatePrivate)
uiDelegatePrivate->webViewLostFocus(webView, newFocusWnd);
FocusController& focusController = webView->page()->focusController();
Frame& frame = focusController.focusedOrMainFrame();
webView->resetIME(&frame);
// Send blur events unless we're losing focus to a child of ours.
if (!IsChild(hWnd, newFocusWnd))
focusController.setFocused(false);
// If we are pan-scrolling when we lose focus, stop the pan scrolling.
frame.eventHandler().stopAutoscrollTimer();
break;
}
case WM_WINDOWPOSCHANGED:
if (reinterpret_cast<WINDOWPOS*>(lParam)->flags & SWP_SHOWWINDOW)
webView->updateActiveStateSoon();
handled = false;
break;
case WM_CUT:
webView->cut(0);
break;
case WM_COPY:
webView->copy(0);
break;
case WM_PASTE:
webView->paste(0);
break;
case WM_CLEAR:
webView->delete_(0);
break;
case WM_COMMAND:
if (HIWORD(wParam))
handled = webView->execCommand(wParam, lParam);
break;
case WM_MENUCOMMAND:
webView->onMenuCommand(wParam, lParam);
break;
case WM_CONTEXTMENU:
handled = webView->handleContextMenuEvent(wParam, lParam);
break;
case WM_INITMENUPOPUP:
handled = webView->onInitMenuPopup(wParam, lParam);
break;
case WM_MEASUREITEM:
handled = webView->onMeasureItem(wParam, lParam);
break;
case WM_DRAWITEM:
handled = webView->onDrawItem(wParam, lParam);
break;
case WM_UNINITMENUPOPUP:
handled = webView->onUninitMenuPopup(wParam, lParam);
break;
case WM_XP_THEMECHANGED:
if (Frame* coreFrame = core(mainFrameImpl)) {
webView->deleteBackingStore();
RenderTheme::singleton().themeChanged();
ScrollbarTheme::theme().themeChanged();
RECT windowRect;
::GetClientRect(hWnd, &windowRect);
::InvalidateRect(hWnd, &windowRect, false);
#if USE(CA)
if (webView->isAcceleratedCompositing())
webView->m_backingLayer->setNeedsDisplay();
#endif
}
break;
case WM_MOUSEACTIVATE:
webView->setMouseActivated(true);
handled = false;
break;
case WM_GETDLGCODE: {
COMPtr<IWebUIDelegate> uiDelegate;
COMPtr<IWebUIDelegatePrivate> uiDelegatePrivate;
LONG_PTR dlgCode = 0;
UINT keyCode = 0;
if (lParam) {
LPMSG lpMsg = (LPMSG)lParam;
if (lpMsg->message == WM_KEYDOWN)
keyCode = (UINT) lpMsg->wParam;
}
if (SUCCEEDED(webView->uiDelegate(&uiDelegate)) && uiDelegate
&& SUCCEEDED(uiDelegate->QueryInterface(IID_IWebUIDelegatePrivate, (void**) &uiDelegatePrivate)) && uiDelegatePrivate
&& SUCCEEDED(uiDelegatePrivate->webViewGetDlgCode(webView, keyCode, &dlgCode)))
return dlgCode;
handled = false;
break;
}
case WM_GETOBJECT:
handled = webView->onGetObject(wParam, lParam, lResult);
break;
case WM_IME_STARTCOMPOSITION:
handled = webView->onIMEStartComposition();
break;
case WM_IME_REQUEST:
lResult = webView->onIMERequest(wParam, lParam);
break;
case WM_IME_COMPOSITION:
handled = webView->onIMEComposition(lParam);
break;
case WM_IME_ENDCOMPOSITION:
handled = webView->onIMEEndComposition();
break;
case WM_IME_CHAR:
handled = webView->onIMEChar(wParam, lParam);
break;
case WM_IME_NOTIFY:
handled = webView->onIMENotify(wParam, lParam, &lResult);
break;
case WM_IME_SELECT:
handled = webView->onIMESelect(wParam, lParam);
break;
case WM_IME_SETCONTEXT:
handled = webView->onIMESetContext(wParam, lParam);
break;
case WM_TIMER:
switch (wParam) {
case UpdateActiveStateTimer:
KillTimer(hWnd, UpdateActiveStateTimer);
webView->updateActiveState();
break;
case DeleteBackingStoreTimer:
webView->deleteBackingStore();
break;
}
break;
case WM_SETCURSOR:
handled = ::SetCursor(webView->m_lastSetCursor);
break;
case WM_VSCROLL:
handled = webView->verticalScroll(wParam, lParam);
break;
case WM_HSCROLL:
handled = webView->horizontalScroll(wParam, lParam);
break;
default:
handled = false;
break;
}
webView->updateWindowIfNeeded(hWnd, message);
if (!handled)
lResult = DefWindowProc(hWnd, message, wParam, lParam);
// Let the client know whether we consider this message handled.
return (message == WM_KEYDOWN || message == WM_SYSKEYDOWN || message == WM_KEYUP || message == WM_SYSKEYUP) ? !handled : lResult;
}
void WebView::updateWindowIfNeeded(HWND hWnd, UINT message)
{
if (!needsDisplay())
return;
// Care should be taken when updating the window from the window procedure.
// Updating the window in response to e.g. WM_PARENTNOTIFY may cause reentrancy problems,
// because WM_PARENTNOTIFY is sent synchronously to the parent window when e.g. DestroyWindow() is called.
switch (message) {
case WM_PAINT:
case WM_PARENTNOTIFY:
return;
}
::UpdateWindow(hWnd);
}
bool WebView::developerExtrasEnabled() const
{
if (m_preferences->developerExtrasDisabledByOverride())
return false;
#ifdef NDEBUG
BOOL enabled;
return SUCCEEDED(m_preferences->developerExtrasEnabled(&enabled)) && enabled;
#else
return true;
#endif
}
static String webKitVersionString()
{
#if !USE(CAIRO)
LPWSTR buildNumberStringPtr;
if (::LoadStringW(gInstance, BUILD_NUMBER, reinterpret_cast<LPWSTR>(&buildNumberStringPtr), 0) && buildNumberStringPtr)
return buildNumberStringPtr;
#endif
return makeString(WEBKIT_MAJOR_VERSION, '.', WEBKIT_MINOR_VERSION);
}
const String& WebView::userAgentForKURL(const URL&)
{
if (m_userAgentOverridden)
return m_userAgentCustom;
if (!m_userAgentStandard.length())
m_userAgentStandard = WebView::standardUserAgentWithApplicationName(m_applicationName);
return m_userAgentStandard;
}
// IUnknown -------------------------------------------------------------------
HRESULT WebView::QueryInterface(_In_ REFIID riid, _COM_Outptr_ void** ppvObject)
{
if (!ppvObject)
return E_POINTER;
*ppvObject = nullptr;
if (IsEqualGUID(riid, CLSID_WebView))
*ppvObject = this;
else if (IsEqualGUID(riid, IID_IUnknown))
*ppvObject = static_cast<IWebView*>(this);
else if (IsEqualGUID(riid, IID_IWebView))
*ppvObject = static_cast<IWebView*>(this);
else if (IsEqualGUID(riid, IID_IWebViewPrivate))
*ppvObject = static_cast<IWebViewPrivate*>(this);
else if (IsEqualGUID(riid, IID_IWebViewPrivate2))
*ppvObject = static_cast<IWebViewPrivate2*>(this);
else if (IsEqualGUID(riid, IID_IWebViewPrivate3))
*ppvObject = static_cast<IWebViewPrivate3*>(this);
else if (IsEqualGUID(riid, IID_IWebViewPrivate4))
*ppvObject = static_cast<IWebViewPrivate4*>(this);
else if (IsEqualGUID(riid, IID_IWebViewPrivate5))
*ppvObject = static_cast<IWebViewPrivate5*>(this);
else if (IsEqualGUID(riid, IID_IWebIBActions))
*ppvObject = static_cast<IWebIBActions*>(this);
else if (IsEqualGUID(riid, IID_IWebViewCSS))
*ppvObject = static_cast<IWebViewCSS*>(this);
else if (IsEqualGUID(riid, IID_IWebViewEditing))
*ppvObject = static_cast<IWebViewEditing*>(this);
else if (IsEqualGUID(riid, IID_IWebViewUndoableEditing))
*ppvObject = static_cast<IWebViewUndoableEditing*>(this);
else if (IsEqualGUID(riid, IID_IWebViewEditingActions))
*ppvObject = static_cast<IWebViewEditingActions*>(this);
else if (IsEqualGUID(riid, IID_IWebNotificationObserver))
*ppvObject = static_cast<IWebNotificationObserver*>(this);
else if (IsEqualGUID(riid, IID_IDropTarget))
*ppvObject = static_cast<IDropTarget*>(this);
else
return E_NOINTERFACE;
AddRef();
return S_OK;
}
ULONG WebView::AddRef()
{
ASSERT(!m_deletionHasBegun);
return ++m_refCount;
}
ULONG WebView::Release()
{
ASSERT(!m_deletionHasBegun);
if (m_refCount == 1) {
// Call close() now so that clients don't have to. (It's harmless to call close() multiple
// times.) We do this here instead of in our destructor because close() can cause AddRef()
// and Release() to be called, and if that happened in our destructor we would be destroyed
// more than once.
close();
}
ULONG newRef = --m_refCount;
if (!newRef) {
#if ASSERT_ENABLED
m_deletionHasBegun = true;
#endif
delete(this);
}
return newRef;
}
// IWebView --------------------------------------------------------------------
HRESULT WebView::canShowMIMEType(_In_ BSTR mimeType, _Out_ BOOL* canShow)
{
if (!canShow)
return E_POINTER;
*canShow = canShowMIMEType(toString(mimeType));
return S_OK;
}
bool WebView::canShowMIMEType(const String& mimeType)
{
Frame* coreFrame = core(m_mainFrame);
bool arePluginsEnabled = coreFrame && coreFrame->arePluginsEnabled();
bool canShow = MIMETypeRegistry::isSupportedImageMIMEType(mimeType)
|| MIMETypeRegistry::isSupportedNonImageMIMEType(mimeType)
|| MIMETypeRegistry::isSupportedMediaMIMEType(mimeType);
if (!canShow && m_page) {
canShow = (m_page->pluginData().supportsWebVisibleMimeType(mimeType, PluginData::AllPlugins) && arePluginsEnabled)
|| m_page->pluginData().supportsWebVisibleMimeType(mimeType, PluginData::OnlyApplicationPlugins);
}
if (!canShow)
canShow = shouldUseEmbeddedView(mimeType);
return canShow;
}
HRESULT WebView::canShowMIMETypeAsHTML(_In_ BSTR mimeType, _Out_ BOOL* canShow)
{
if (!canShow)
return E_POINTER;
*canShow = canShowMIMETypeAsHTML(toString(mimeType));
return S_OK;
}
bool WebView::canShowMIMETypeAsHTML(const String& /*mimeType*/)
{
// FIXME
notImplemented();
return true;
}
HRESULT WebView::MIMETypesShownAsHTML(_COM_Outptr_opt_ IEnumVARIANT** enumVariant)
{
ASSERT_NOT_REACHED();
if (!enumVariant)
return E_POINTER;
*enumVariant = nullptr;
return E_NOTIMPL;
}
HRESULT WebView::setMIMETypesShownAsHTML(__inout_ecount_full(cMimeTypes) BSTR* mimeTypes, int cMimeTypes)
{
ASSERT_NOT_REACHED();
return E_NOTIMPL;
}
HRESULT WebView::URLFromPasteboard(_In_opt_ IDataObject* /*pasteboard*/, _Deref_opt_out_ BSTR* /*url*/)
{
ASSERT_NOT_REACHED();
return E_NOTIMPL;
}
HRESULT WebView::URLTitleFromPasteboard(_In_opt_ IDataObject* /*pasteboard*/, _Deref_opt_out_ BSTR* /*urlTitle*/)
{
ASSERT_NOT_REACHED();
return E_NOTIMPL;
}
bool WebView::shouldInitializeTrackPointHack()
{
static bool shouldCreateScrollbars;
static bool hasRunTrackPointCheck;
if (hasRunTrackPointCheck)
return shouldCreateScrollbars;
hasRunTrackPointCheck = true;
const WCHAR trackPointKeys[][50] = { L"Software\\Lenovo\\TrackPoint",
L"Software\\Lenovo\\UltraNav",
L"Software\\Alps\\Apoint\\TrackPoint",
L"Software\\Synaptics\\SynTPEnh\\UltraNavUSB",
L"Software\\Synaptics\\SynTPEnh\\UltraNavPS2" };
for (int i = 0; i < 5; ++i) {
HKEY trackPointKey = nullptr;
LSTATUS readKeyResult = ::RegOpenKeyExW(HKEY_CURRENT_USER, trackPointKeys[i], 0, KEY_READ, &trackPointKey);
::RegCloseKey(trackPointKey);
if (readKeyResult == ERROR_SUCCESS) {
shouldCreateScrollbars = true;
return shouldCreateScrollbars;
}
}
return shouldCreateScrollbars;
}
HRESULT WebView::initWithFrame(RECT frame, _In_ BSTR frameName, _In_ BSTR groupName)
{
HRESULT hr = S_OK;
if (m_viewWindow)
return E_UNEXPECTED;
registerWebViewWindowClass();
m_viewWindow = CreateWindowEx(0, kWebViewWindowClassName, 0, WS_CHILD | WS_CLIPSIBLINGS | WS_CLIPCHILDREN,
frame.left, frame.top, frame.right - frame.left, frame.bottom - frame.top, m_hostWindow ? m_hostWindow : HWND_MESSAGE, 0, gInstance, 0);
ASSERT(::IsWindow(m_viewWindow));
if (shouldInitializeTrackPointHack()) {
// If we detected a registry key belonging to a TrackPoint driver, then create fake trackpoint
// scrollbars, so the WebView will receive WM_VSCROLL and WM_HSCROLL messages. We create one
// vertical scrollbar and one horizontal to allow for receiving both types of messages.
::CreateWindowW(L"SCROLLBAR", L"FAKETRACKPOINTHSCROLLBAR", WS_CHILD | WS_VISIBLE | SBS_HORZ, 0, 0, 0, 0, m_viewWindow, 0, gInstance, 0);
::CreateWindowW(L"SCROLLBAR", L"FAKETRACKPOINTVSCROLLBAR", WS_CHILD | WS_VISIBLE | SBS_VERT, 0, 0, 0, 0, m_viewWindow, 0, gInstance, 0);
}
hr = registerDragDrop();
if (FAILED(hr))
return hr;
WebPreferences* sharedPreferences = WebPreferences::sharedStandardPreferences();
sharedPreferences->willAddToWebView();
m_preferences = sharedPreferences;
static bool didOneTimeInitialization;
if (!didOneTimeInitialization) {
#if !LOG_DISABLED || !RELEASE_LOG_DISABLED
logChannels().initializeLogChannelsIfNecessary();
#endif // !LOG_DISABLED || !RELEASE_LOG_DISABLED
// Initialize our platform strategies first before invoking the rest
// of the initialization code which may depend on the strategies.
WebPlatformStrategies::initialize();
WebKitInitializeWebDatabasesIfNecessary();
auto& memoryPressureHandler = MemoryPressureHandler::singleton();
memoryPressureHandler.setLowMemoryHandler([] (Critical critical, Synchronous synchronous) {
WebCore::releaseMemory(critical, synchronous);
});
memoryPressureHandler.install();
didOneTimeInitialization = true;
}
BOOL useHighResolutionTimer;
if (SUCCEEDED(m_preferences->shouldUseHighResolutionTimers(&useHighResolutionTimer)))
DeprecatedGlobalSettings::setShouldUseHighResolutionTimers(useHighResolutionTimer);
m_inspectorClient = new WebInspectorClient(this);
auto storageProvider = PageStorageSessionProvider::create();
WebFrame* webFrame = WebFrame::createInstance();
PageConfiguration configuration(
PAL::SessionID::defaultSessionID(),
makeUniqueRef<WebEditorClient>(this),
SocketProvider::create(),
makeUniqueRef<LibWebRTCProvider>(),
CacheStorageProvider::create(),
m_webViewGroup->userContentController(),
BackForwardList::create(),
CookieJar::create(storageProvider.copyRef()),
makeUniqueRef<WebProgressTrackerClient>(),
makeUniqueRef<WebFrameLoaderClient>(webFrame),
makeUniqueRef<DummySpeechRecognitionProvider>(),
makeUniqueRef<MediaRecorderProvider>(),
WebBroadcastChannelRegistry::getOrCreate(false),
WebCore::DummyPermissionController::create(),
makeUniqueRef<WebCore::DummyStorageProvider>(),
makeUniqueRef<WebCore::DummyModelPlayerProvider>()
);
configuration.chromeClient = new WebChromeClient(this);
#if ENABLE(CONTEXT_MENUS)
configuration.contextMenuClient = new WebContextMenuClient(this);
#endif
configuration.dragClient = makeUnique<WebDragClient>(this);
configuration.inspectorClient = m_inspectorClient;
configuration.applicationCacheStorage = &WebApplicationCache::storage();
configuration.databaseProvider = &WebDatabaseProvider::singleton();
configuration.storageNamespaceProvider = &m_webViewGroup->storageNamespaceProvider();
configuration.visitedLinkStore = &m_webViewGroup->visitedLinkStore();
configuration.pluginInfoProvider = &WebPluginInfoProvider::singleton();
m_page = new Page(WTFMove(configuration));
storageProvider->setPage(*m_page);
provideGeolocationTo(m_page, *new WebGeolocationClient(this));
m_page->addLayoutMilestones({ DidFirstLayout, DidFirstVisuallyNonEmptyLayout });
if (m_uiDelegate) {
BString path;
if (SUCCEEDED(m_uiDelegate->ftpDirectoryTemplatePath(this, &path)))
m_page->settings().setFTPDirectoryTemplatePath(toString(path));
}
webFrame->initWithWebView(this, m_page);
static_cast<WebFrameLoaderClient&>(m_page->mainFrame().loader().client()).setWebFrame(webFrame);
static_cast<WebProgressTrackerClient&>(m_page->progress().client()).setWebFrame(webFrame);
m_mainFrame = webFrame;
webFrame->Release(); // The WebFrame is owned by the Frame, so release our reference to it.
m_page->mainFrame().tree().setName(toString(frameName));
m_page->mainFrame().init();
setGroupName(groupName);
addToAllWebViewsSet();
#pragma warning(suppress: 4244)
SetWindowLongPtr(m_viewWindow, 0, (LONG_PTR)this);
ShowWindow(m_viewWindow, SW_SHOW);
initializeToolTipWindow();
windowAncestryDidChange();
IWebNotificationCenter* notifyCenter = WebNotificationCenter::defaultCenterInternal();
notifyCenter->addObserver(this, WebPreferences::webPreferencesChangedNotification(), static_cast<IWebPreferences*>(m_preferences.get()));
m_preferences->postPreferencesChangesNotification();
m_page->setDeviceScaleFactor(deviceScaleFactor());
setSmartInsertDeleteEnabled(TRUE);
return hr;
}
static bool initCommonControls()
{
static bool haveInitialized = false;
if (haveInitialized)
return true;
INITCOMMONCONTROLSEX init;
init.dwSize = sizeof(init);
init.dwICC = ICC_TREEVIEW_CLASSES;
haveInitialized = !!::InitCommonControlsEx(&init);
return haveInitialized;
}
void WebView::initializeToolTipWindow()
{
if (!initCommonControls())
return;
m_toolTipHwnd = CreateWindowEx(WS_EX_TRANSPARENT, TOOLTIPS_CLASS, 0, WS_POPUP | TTS_NOPREFIX | TTS_ALWAYSTIP,
CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,
m_viewWindow, 0, 0, 0);
if (!m_toolTipHwnd)
return;
TOOLINFO info { };
info.cbSize = sizeof(info);
info.uFlags = TTF_IDISHWND | TTF_SUBCLASS ;
info.uId = reinterpret_cast<UINT_PTR>(m_viewWindow);
::SendMessage(m_toolTipHwnd, TTM_ADDTOOL, 0, reinterpret_cast<LPARAM>(&info));
::SendMessage(m_toolTipHwnd, TTM_SETMAXTIPWIDTH, 0, clampTo<int>(maxToolTipWidth * deviceScaleFactor()));
::SetWindowPos(m_toolTipHwnd, HWND_TOP, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE);
}
static Vector<wchar_t> truncatedString(const String& string)
{
// Truncate tooltip texts because multiline mode of tooltip control does word-wrapping very slowly
auto maxLength = 1024;
auto buffer = string.wideCharacters();
if (buffer.size() > maxLength) {
buffer[maxLength - 4] = L'.';
buffer[maxLength - 3] = L'.';
buffer[maxLength - 2] = L'.';
buffer[maxLength - 1] = L'\0';
}
return buffer;
}
void WebView::setToolTip(const String& toolTip)
{
if (!m_toolTipHwnd)
return;
if (toolTip == m_toolTip)
return;
m_toolTip = toolTip;
if (!m_toolTip.isEmpty()) {
TOOLINFO info { };
info.cbSize = sizeof(info);
info.uFlags = TTF_IDISHWND;
info.uId = reinterpret_cast<UINT_PTR>(m_viewWindow);
auto toolTipCharacters = truncatedString(m_toolTip); // Retain buffer long enough to make the SendMessage call
info.lpszText = toolTipCharacters.data();
::SendMessage(m_toolTipHwnd, TTM_UPDATETIPTEXT, 0, reinterpret_cast<LPARAM>(&info));
}
::SendMessage(m_toolTipHwnd, TTM_ACTIVATE, !m_toolTip.isEmpty(), 0);
}
HRESULT WebView::notifyDidAddIcon(IWebNotification*)
{
return E_FAIL;
}
void WebView::registerForIconNotification(bool)
{
}
void WebView::dispatchDidReceiveIconFromWebFrame(WebFrame*)
{
}
HRESULT WebView::setAccessibilityDelegate(_In_opt_ IAccessibilityDelegate* d)
{
m_accessibilityDelegate = d;
return S_OK;
}
HRESULT WebView::accessibilityDelegate(_COM_Outptr_opt_ IAccessibilityDelegate** d)
{
if (!d)
return E_POINTER;
*d = nullptr;
if (!m_accessibilityDelegate)
return E_POINTER;
return m_accessibilityDelegate.copyRefTo(d);
}
HRESULT WebView::setUIDelegate(_In_opt_ IWebUIDelegate* d)
{
m_uiDelegate = d;
if (m_uiDelegatePrivate)
m_uiDelegatePrivate = 0;
if (d) {
if (FAILED(d->QueryInterface(IID_IWebUIDelegatePrivate, (void**)&m_uiDelegatePrivate)))
m_uiDelegatePrivate = 0;
}
return S_OK;
}
HRESULT WebView::uiDelegate(_COM_Outptr_opt_ IWebUIDelegate** d)
{
if (!d)
return E_POINTER;
*d = nullptr;
if (!m_uiDelegate)
return E_FAIL;
return m_uiDelegate.copyRefTo(d);
}
HRESULT WebView::setResourceLoadDelegate(_In_opt_ IWebResourceLoadDelegate* d)
{
m_resourceLoadDelegate = d;
return S_OK;
}
HRESULT WebView::resourceLoadDelegate(_COM_Outptr_opt_ IWebResourceLoadDelegate** d)
{
if (!d)
return E_POINTER;
*d = nullptr;
if (!m_resourceLoadDelegate)
return E_FAIL;
return m_resourceLoadDelegate.copyRefTo(d);
}
HRESULT WebView::setDownloadDelegate(_In_opt_ IWebDownloadDelegate* d)
{
m_downloadDelegate = d;
return S_OK;
}
HRESULT WebView::downloadDelegate(_COM_Outptr_opt_ IWebDownloadDelegate** d)
{
if (!d)
return E_POINTER;
*d = nullptr;
if (!m_downloadDelegate)
return E_FAIL;
return m_downloadDelegate.copyRefTo(d);
}
HRESULT WebView::setFrameLoadDelegate(_In_opt_ IWebFrameLoadDelegate* d)
{
m_frameLoadDelegate = d;
return S_OK;
}
HRESULT WebView::frameLoadDelegate(_COM_Outptr_opt_ IWebFrameLoadDelegate** d)
{
if (!d)
return E_POINTER;
*d = nullptr;
if (!m_frameLoadDelegate)
return E_FAIL;
return m_frameLoadDelegate.copyRefTo(d);
}
HRESULT WebView::setPolicyDelegate(_In_opt_ IWebPolicyDelegate* d)
{
m_policyDelegate = d;
return S_OK;
}
HRESULT WebView::policyDelegate(_COM_Outptr_opt_ IWebPolicyDelegate** d)
{
if (!d)
return E_POINTER;
*d = nullptr;
if (!m_policyDelegate)
return E_FAIL;
return m_policyDelegate.copyRefTo(d);
}
HRESULT WebView::mainFrame(_COM_Outptr_opt_ IWebFrame** frame)
{
if (!frame) {
ASSERT_NOT_REACHED();
return E_POINTER;
}
*frame = m_mainFrame;
if (!m_mainFrame)
return E_UNEXPECTED;
m_mainFrame->AddRef();
return S_OK;
}
HRESULT WebView::focusedFrame(_COM_Outptr_opt_ IWebFrame** frame)
{
if (!frame) {
ASSERT_NOT_REACHED();
return E_POINTER;
}
*frame = nullptr;
Frame* f = m_page->focusController().focusedFrame();
if (!f)
return E_FAIL;
WebFrame* webFrame = kit(f);
if (!webFrame)
return E_UNEXPECTED;
return webFrame->QueryInterface(IID_IWebFrame, (void**) frame);
}
HRESULT WebView::backForwardList(_COM_Outptr_opt_ IWebBackForwardList** list)
{
if (!list) {
ASSERT_NOT_REACHED();
return E_POINTER;
}
*list = nullptr;
if (!m_useBackForwardList)
return E_FAIL;
*list = WebBackForwardList::createInstance(&static_cast<BackForwardList&>(m_page->backForward().client()));
return S_OK;
}
HRESULT WebView::setMaintainsBackForwardList(BOOL flag)
{
m_useBackForwardList = !!flag;
return S_OK;
}
HRESULT WebView::goBack(_Out_ BOOL* succeeded)
{
if (!succeeded)
return E_POINTER;
*succeeded = m_page->backForward().goBack();
return S_OK;
}
HRESULT WebView::goForward(_Out_ BOOL* succeeded)
{
if (!succeeded)
return E_POINTER;
*succeeded = m_page->backForward().goForward();
return S_OK;
}
HRESULT WebView::goToBackForwardItem(_In_opt_ IWebHistoryItem* item, _Out_ BOOL* succeeded)
{
if (!item)
return E_FAIL;
if (!succeeded)
return E_POINTER;
*succeeded = FALSE;
COMPtr<WebHistoryItem> webHistoryItem;
HRESULT hr = item->QueryInterface(&webHistoryItem);
if (FAILED(hr))
return hr;
m_page->goToItem(*webHistoryItem->historyItem(), FrameLoadType::IndexedBackForward, ShouldTreatAsContinuingLoad::No);
*succeeded = TRUE;
return S_OK;
}
HRESULT WebView::setTextSizeMultiplier(float multiplier)
{
if (!m_mainFrame)
return E_UNEXPECTED;
setZoomMultiplier(multiplier, true);
return S_OK;
}
HRESULT WebView::setPageSizeMultiplier(float multiplier)
{
if (!m_mainFrame)
return E_UNEXPECTED;
setZoomMultiplier(multiplier, false);
return S_OK;
}
void WebView::setZoomMultiplier(float multiplier, bool isTextOnly)
{
m_zoomMultiplier = multiplier;
m_zoomsTextOnly = isTextOnly;
if (Frame* coreFrame = core(m_mainFrame)) {
if (m_zoomsTextOnly)
coreFrame->setPageAndTextZoomFactors(1, multiplier);
else
coreFrame->setPageAndTextZoomFactors(multiplier, 1);
}
}
HRESULT WebView::textSizeMultiplier(_Out_ float* multiplier)
{
if (!multiplier)
return E_POINTER;
*multiplier = zoomMultiplier(true);
return S_OK;
}
HRESULT WebView::pageSizeMultiplier(_Out_ float* multiplier)
{
if (!multiplier)
return E_POINTER;
*multiplier = zoomMultiplier(false);
return S_OK;
}
float WebView::zoomMultiplier(bool isTextOnly)
{
if (isTextOnly != m_zoomsTextOnly)
return 1.0f;
return m_zoomMultiplier;
}
HRESULT WebView::setApplicationNameForUserAgent(_In_ BSTR applicationName)
{
m_applicationName = toString(applicationName);
m_userAgentStandard = String();
return S_OK;
}
HRESULT WebView::applicationNameForUserAgent(_Deref_opt_out_ BSTR* applicationName)
{
if (!applicationName)
return E_POINTER;
*applicationName = BString(m_applicationName).release();
if (!*applicationName && m_applicationName.length())
return E_OUTOFMEMORY;
return S_OK;
}
HRESULT WebView::setCustomUserAgent(_In_ BSTR userAgentString)
{
m_userAgentOverridden = userAgentString;
m_userAgentCustom = toString(userAgentString);
return S_OK;
}
HRESULT WebView::customUserAgent(_Deref_opt_out_ BSTR* userAgentString)
{
if (!userAgentString)
return E_POINTER;
*userAgentString = nullptr;
if (!m_userAgentOverridden)
return S_OK;
*userAgentString = BString(m_userAgentCustom).release();
if (!*userAgentString && m_userAgentCustom.length())
return E_OUTOFMEMORY;
return S_OK;
}
HRESULT WebView::userAgentForURL(_In_ BSTR url, _Deref_opt_out_ BSTR* userAgent)
{
if (!userAgent)
return E_POINTER;
String userAgentString = userAgentForKURL(MarshallingHelpers::BSTRToKURL(url));
*userAgent = BString(userAgentString).release();
if (!*userAgent && userAgentString.length())
return E_OUTOFMEMORY;
return S_OK;
}
HRESULT WebView::supportsTextEncoding(_Out_ BOOL* supports)
{
if (!supports)
return E_POINTER;
*supports = TRUE;
return S_OK;
}
HRESULT WebView::setCustomTextEncodingName(_In_ BSTR encodingName)
{
if (!m_mainFrame)
return E_UNEXPECTED;
HRESULT hr;
BString oldEncoding;
hr = customTextEncodingName(&oldEncoding);
if (FAILED(hr))
return hr;
if (oldEncoding != encodingName && (!oldEncoding || !encodingName || wcscmp(oldEncoding, encodingName))) {
if (Frame* coreFrame = core(m_mainFrame))
coreFrame->loader().reloadWithOverrideEncoding(toString(encodingName));
}
return S_OK;
}
HRESULT WebView::customTextEncodingName(_Deref_opt_out_ BSTR* encodingName)
{
if (!encodingName)
return E_POINTER;
HRESULT hr = S_OK;
COMPtr<IWebDataSource> dataSource;
COMPtr<WebDataSource> dataSourceImpl;
*encodingName = nullptr;
if (!m_mainFrame)
return E_UNEXPECTED;
if (FAILED(m_mainFrame->provisionalDataSource(&dataSource)) || !dataSource) {
hr = m_mainFrame->dataSource(&dataSource);
if (FAILED(hr) || !dataSource)
return hr;
}
hr = dataSource->QueryInterface(IID_WebDataSource, (void**)&dataSourceImpl);
if (FAILED(hr))
return hr;
BString str = dataSourceImpl->documentLoader()->overrideEncoding();
if (FAILED(hr))
return hr;
if (!*encodingName)
*encodingName = BString(m_overrideEncoding).release();
if (!*encodingName && m_overrideEncoding.length())
return E_OUTOFMEMORY;
return S_OK;
}
HRESULT WebView::setMediaStyle(_In_ BSTR /*media*/)
{
ASSERT_NOT_REACHED();
return E_NOTIMPL;
}
HRESULT WebView::mediaStyle(_Deref_opt_out_ BSTR* /*media*/)
{
ASSERT_NOT_REACHED();
return E_NOTIMPL;
}
HRESULT WebView::stringByEvaluatingJavaScriptFromString(_In_ BSTR script, // assumes input does not have "JavaScript" at the begining.
_Deref_opt_out_ BSTR* result)
{
if (!result) {
ASSERT_NOT_REACHED();
return E_POINTER;
}
*result = nullptr;
Frame* coreFrame = core(m_mainFrame);
if (!coreFrame)
return E_UNEXPECTED;
auto scriptExecutionResult = coreFrame->script().executeScriptIgnoringException(WTF::String(script), true);
if (!scriptExecutionResult)
return E_FAIL;
else if (scriptExecutionResult.isString()) {
JSC::JSGlobalObject* lexicalGlobalObject = coreFrame->script().globalObject(mainThreadNormalWorld());
JSC::JSLockHolder lock(lexicalGlobalObject);
*result = BString(scriptExecutionResult.getString(lexicalGlobalObject));
}
return S_OK;
}
HRESULT WebView::windowScriptObject(_COM_Outptr_opt_ IWebScriptObject** webScriptObject)
{
ASSERT_NOT_REACHED();
if (!webScriptObject)
return E_POINTER;
*webScriptObject = nullptr;
return E_NOTIMPL;
}
HRESULT WebView::setPreferences(_In_opt_ IWebPreferences* prefs)
{
if (!prefs)
prefs = WebPreferences::sharedStandardPreferences();
if (m_preferences == prefs)
return S_OK;
COMPtr<WebPreferences> webPrefs(Query, prefs);
if (!webPrefs)
return E_NOINTERFACE;
webPrefs->willAddToWebView();
COMPtr<WebPreferences> oldPrefs = m_preferences;
IWebNotificationCenter* nc = WebNotificationCenter::defaultCenterInternal();
nc->removeObserver(this, WebPreferences::webPreferencesChangedNotification(), static_cast<IWebPreferences*>(m_preferences.get()));
BString identifier;
oldPrefs->identifier(&identifier);
oldPrefs->didRemoveFromWebView();
oldPrefs = 0; // Make sure we release the reference, since WebPreferences::removeReferenceForIdentifier will check for last reference to WebPreferences
m_preferences = webPrefs;
if (identifier)
WebPreferences::removeReferenceForIdentifier(identifier);
nc->addObserver(this, WebPreferences::webPreferencesChangedNotification(), static_cast<IWebPreferences*>(m_preferences.get()));
m_preferences->postPreferencesChangesNotification();
return S_OK;
}
HRESULT WebView::preferences(_COM_Outptr_opt_ IWebPreferences** prefs)
{
if (!prefs)
return E_POINTER;
*prefs = m_preferences.get();
if (m_preferences)
m_preferences->AddRef();
return S_OK;
}
HRESULT WebView::setPreferencesIdentifier(_In_ BSTR /*anIdentifier*/)
{
ASSERT_NOT_REACHED();
return E_NOTIMPL;
}
HRESULT WebView::preferencesIdentifier(_Deref_opt_out_ BSTR* /*anIdentifier*/)
{
ASSERT_NOT_REACHED();
return E_NOTIMPL;
}
static void systemParameterChanged(WPARAM parameter)
{
#if USE(CG)
if (parameter == SPI_SETFONTSMOOTHING || parameter == SPI_SETFONTSMOOTHINGTYPE || parameter == SPI_SETFONTSMOOTHINGCONTRAST || parameter == SPI_SETFONTSMOOTHINGORIENTATION)
FontCascade::systemFontSmoothingChanged();
#endif
}
void WebView::windowReceivedMessage(HWND, UINT message, WPARAM wParam, LPARAM)
{
switch (message) {
case WM_NCACTIVATE:
updateActiveStateSoon();
if (!wParam)
deleteBackingStoreSoon();
break;
case WM_SETTINGCHANGE:
systemParameterChanged(wParam);
break;
}
}
void WebView::updateActiveStateSoon() const
{
// This function is called while processing the WM_NCACTIVATE message.
// While processing WM_NCACTIVATE when we are being deactivated, GetActiveWindow() will
// still return our window. If we were to call updateActiveState() in that case, we would
// wrongly think that we are still the active window. To work around this, we update our
// active state after a 0-delay timer fires, at which point GetActiveWindow() will return
// the newly-activated window.
SetTimer(m_viewWindow, UpdateActiveStateTimer, 0, 0);
}
void WebView::deleteBackingStoreSoon()
{
if (pendingDeleteBackingStoreSet().size() > 2) {
Vector<WebView*> views;
HashSet<WebView*>::iterator end = pendingDeleteBackingStoreSet().end();
for (HashSet<WebView*>::iterator it = pendingDeleteBackingStoreSet().begin(); it != end; ++it)
views.append(*it);
for (int i = 0; i < views.size(); ++i)
views[i]->deleteBackingStore();
ASSERT(pendingDeleteBackingStoreSet().isEmpty());
}
pendingDeleteBackingStoreSet().add(this);
m_deleteBackingStoreTimerActive = true;
SetTimer(m_viewWindow, DeleteBackingStoreTimer, delayBeforeDeletingBackingStoreMsec, 0);
}
void WebView::cancelDeleteBackingStoreSoon()
{
if (!m_deleteBackingStoreTimerActive)
return;
pendingDeleteBackingStoreSet().remove(this);
m_deleteBackingStoreTimerActive = false;
KillTimer(m_viewWindow, DeleteBackingStoreTimer);
}
HRESULT WebView::setHostWindow(_In_ HWND window)
{
if (m_viewWindow) {
if (window)
SetParent(m_viewWindow, window);
else if (!isBeingDestroyed()) {
// Turn the WebView into a message-only window so it will no longer be a child of the
// old host window and will be hidden from screen. We only do this when
// isBeingDestroyed() is false because doing this while handling WM_DESTROY can leave
// m_viewWindow in a weird state (see <http://webkit.org/b/29337>).
SetParent(m_viewWindow, HWND_MESSAGE);
}
}
m_hostWindow = window;
windowAncestryDidChange();
if (m_page)
m_page->setDeviceScaleFactor(deviceScaleFactor());
return S_OK;
}
HRESULT WebView::hostWindow(_Deref_opt_out_ HWND* window)
{
if (!window)
return E_POINTER;
*window = m_hostWindow;
return S_OK;
}
static Frame *incrementFrame(Frame *curr, bool forward, bool wrapFlag)
{
CanWrap canWrap = wrapFlag ? CanWrap::Yes : CanWrap::No;
return forward
? curr->tree().traverseNext(canWrap)
: curr->tree().traversePrevious(canWrap);
}
HRESULT WebView::searchFor(_In_ BSTR str, BOOL forward, BOOL caseFlag, BOOL wrapFlag, _Out_ BOOL* found)
{
if (!found)
return E_INVALIDARG;
if (!m_page)
return E_FAIL;
if (!str || !SysStringLen(str))
return E_INVALIDARG;
FindOptions options;
if (!caseFlag)
options.add(CaseInsensitive);
if (!forward)
options.add(Backwards);
if (wrapFlag)
options.add(WrapAround);
*found = m_page->findString(toString(str), options);
return S_OK;
}
bool WebView::active()
{
HWND activeWindow = GetActiveWindow();
if (usesLayeredWindow() && activeWindow == m_viewWindow)
return true;
return (activeWindow && m_topLevelParent == findTopLevelParent(activeWindow));
}
void WebView::updateActiveState()
{
if (m_page)
m_page->focusController().setActive(active());
}
HRESULT WebView::updateFocusedAndActiveState()
{
updateActiveState();
bool active = m_page->focusController().isActive();
Frame& mainFrame = m_page->mainFrame();
Frame& focusedFrame = m_page->focusController().focusedOrMainFrame();
mainFrame.selection().setFocused(active && &mainFrame == &focusedFrame);
return S_OK;
}
HRESULT WebView::executeCoreCommandByName(_In_ BSTR name, _In_ BSTR value)
{
if (!m_page)
return E_FAIL;
m_page->focusController().focusedOrMainFrame().editor().command(toString(name)).execute(toString(value));
return S_OK;
}
HRESULT WebView::clearMainFrameName()
{
if (!m_page)
return E_FAIL;
m_page->mainFrame().tree().clearName();
return S_OK;
}
HRESULT WebView::markAllMatchesForText(_In_ BSTR str, BOOL caseSensitive, BOOL highlight, UINT limit, _Out_ UINT* matches)
{
if (!matches)
return E_INVALIDARG;
if (!m_page)
return E_FAIL;
if (!str || !SysStringLen(str))
return E_INVALIDARG;
WebCore::FindOptions options;
if (!caseSensitive)
options.add(WebCore::CaseInsensitive);
*matches = m_page->markAllMatchesForText(toString(str), options, highlight, limit);
return S_OK;
}
HRESULT WebView::unmarkAllTextMatches()
{
if (!m_page)
return E_FAIL;
m_page->unmarkAllTextMatches();
return S_OK;
}
HRESULT WebView::rectsForTextMatches(_COM_Outptr_opt_ IEnumTextMatches** pmatches)
{
if (!pmatches)
return E_POINTER;
*pmatches = nullptr;
if (!m_page)
return E_FAIL;
Vector<IntRect> allRects;
WebCore::Frame* frame = &m_page->mainFrame();
do {
if (Document* document = frame->document()) {
IntRect visibleRect = frame->view()->visibleContentRect();
Vector<FloatRect> frameRects = document->markers().renderedRectsForMarkers(DocumentMarker::TextMatch);
IntPoint frameOffset = -frame->view()->scrollPosition();
frameOffset = frame->view()->convertToContainingWindow(frameOffset);
Vector<FloatRect>::iterator end = frameRects.end();
for (Vector<FloatRect>::iterator it = frameRects.begin(); it < end; it++) {
it->intersect(visibleRect);
it->move(frameOffset.x(), frameOffset.y());
allRects.append(enclosingIntRect(*it));
}
}
frame = incrementFrame(frame, true, false);
} while (frame);
return createMatchEnumerator(&allRects, pmatches);
}
HRESULT WebView::generateSelectionImage(BOOL forceWhiteText, _Deref_opt_out_ HBITMAP* hBitmap)
{
if (!hBitmap)
return E_POINTER;
if (!m_page)
return E_FAIL;
*hBitmap = nullptr;
WebCore::Frame& frame = m_page->focusController().focusedOrMainFrame();
auto bitmap = imageFromSelection(&frame, forceWhiteText ? TRUE : FALSE);
*hBitmap = bitmap.leak();
return S_OK;
}
HRESULT WebView::selectionRect(_Inout_ RECT* rc)
{
if (!rc)
return E_POINTER;
if (!m_page)
return E_FAIL;
WebCore::Frame& frame = m_page->focusController().focusedOrMainFrame();
IntRect ir = enclosingIntRect(frame.selection().selectionBounds());
ir = frame.view()->convertToContainingWindow(ir);
ir.moveBy(-frame.view()->scrollPosition());
float scaleFactor = deviceScaleFactor();
rc->left = ir.x() * scaleFactor;
rc->top = ir.y() * scaleFactor;
rc->bottom = rc->top + ir.height() * scaleFactor;
rc->right = rc->left + ir.width() * scaleFactor;
return S_OK;
}
HRESULT WebView::registerViewClass(_In_opt_ IWebDocumentView*, _In_opt_ IWebDocumentRepresentation*, _In_ BSTR /*forMIMEType*/)
{
ASSERT_NOT_REACHED();
return E_NOTIMPL;
}
HRESULT WebView::setGroupName(_In_ BSTR groupName)
{
if (m_webViewGroup)
m_webViewGroup->removeWebView(this);
m_webViewGroup = WebViewGroup::getOrCreate(groupName, localStorageDatabasePath(m_preferences.get()));
m_webViewGroup->addWebView(this);
if (!m_page)
return S_OK;
m_page->setUserContentProvider(m_webViewGroup->userContentController());
m_page->setVisitedLinkStore(m_webViewGroup->visitedLinkStore());
m_page->setGroupName(toString(groupName));
return S_OK;
}
HRESULT WebView::groupName(_Deref_opt_out_ BSTR* groupName)
{
if (!groupName)
return E_POINTER;
*groupName = nullptr;
if (!m_page)
return S_OK;
String groupNameString = m_page->groupName();
*groupName = BString(groupNameString).release();
if (!*groupName && groupNameString.length())
return E_OUTOFMEMORY;
return S_OK;
}
HRESULT WebView::estimatedProgress(_Out_ double* estimatedProgress)
{
if (!estimatedProgress)
return E_POINTER;
*estimatedProgress = m_page->progress().estimatedProgress();
return S_OK;
}
HRESULT WebView::isLoading(_Out_ BOOL* isLoading)
{
COMPtr<IWebDataSource> dataSource;
COMPtr<IWebDataSource> provisionalDataSource;
if (!isLoading)
return E_POINTER;
*isLoading = FALSE;
if (!m_mainFrame)
return E_UNEXPECTED;
if (SUCCEEDED(m_mainFrame->dataSource(&dataSource)))
dataSource->isLoading(isLoading);
if (*isLoading)
return S_OK;
if (SUCCEEDED(m_mainFrame->provisionalDataSource(&provisionalDataSource)))
provisionalDataSource->isLoading(isLoading);
return S_OK;
}
HRESULT WebView::elementAtPoint(_In_ LPPOINT point, _COM_Outptr_opt_ IPropertyBag** elementDictionary)
{
if (!elementDictionary || !point) {
ASSERT_NOT_REACHED();
return E_POINTER;
}
*elementDictionary = nullptr;
Frame* frame = core(m_mainFrame);
if (!frame)
return E_UNEXPECTED;
IntPoint webCorePoint = IntPoint(point->x, point->y);
float inverseScaleFactor = 1.0f / deviceScaleFactor();
webCorePoint.scale(inverseScaleFactor, inverseScaleFactor);
HitTestResult result = HitTestResult(webCorePoint);
if (frame->contentRenderer()) {
constexpr OptionSet<HitTestRequest::Type> hitType { HitTestRequest::Type::ReadOnly, HitTestRequest::Type::Active, HitTestRequest::Type::DisallowUserAgentShadowContent, HitTestRequest::Type::AllowChildFrameContent };
result = frame->eventHandler().hitTestResultAtPoint(webCorePoint, hitType);
}
*elementDictionary = WebElementPropertyBag::createInstance(result);
return S_OK;
}
HRESULT WebView::pasteboardTypesForSelection(_COM_Outptr_opt_ IEnumVARIANT** enumVariant)
{
ASSERT_NOT_REACHED();
if (!enumVariant)
return E_POINTER;
*enumVariant = nullptr;
return E_NOTIMPL;
}
HRESULT WebView::writeSelectionWithPasteboardTypes(__inout_ecount_full(cTypes) BSTR* types, int cTypes, _In_opt_ IDataObject* /*pasteboard*/)
{
ASSERT_NOT_REACHED();
return E_NOTIMPL;
}
HRESULT WebView::pasteboardTypesForElement(_In_opt_ IPropertyBag* /*elementDictionary*/, _COM_Outptr_opt_ IEnumVARIANT** enumVariant)
{
ASSERT_NOT_REACHED();
if (!enumVariant)
return E_POINTER;
*enumVariant = nullptr;
return E_NOTIMPL;
}
HRESULT WebView::writeElement(_In_opt_ IPropertyBag* /*elementDictionary*/, __inout_ecount_full(cWithPasteboardTypes) BSTR* withPasteboardTypes, int cWithPasteboardTypes, _In_opt_ IDataObject* /*pasteboard*/)
{
ASSERT_NOT_REACHED();
return E_NOTIMPL;
}
HRESULT WebView::selectedText(_Deref_opt_out_ BSTR* text)
{
if (!text) {
ASSERT_NOT_REACHED();
return E_POINTER;
}
*text = nullptr;
Frame* focusedFrame = m_page ? &m_page->focusController().focusedOrMainFrame() : 0;
if (!focusedFrame)
return E_FAIL;
String frameSelectedText = focusedFrame->editor().selectedText();
*text = BString(frameSelectedText).release();
if (!*text && frameSelectedText.length())
return E_OUTOFMEMORY;
return S_OK;
}
HRESULT WebView::centerSelectionInVisibleArea(_In_opt_ IUnknown* /* sender */)
{
Frame* coreFrame = core(m_mainFrame);
if (!coreFrame)
return E_UNEXPECTED;
coreFrame->selection().revealSelection(SelectionRevealMode::Reveal, ScrollAlignment::alignCenterAlways);
return S_OK;
}
HRESULT WebView::moveDragCaretToPoint(_In_ LPPOINT /*point*/)
{
ASSERT_NOT_REACHED();
return E_NOTIMPL;
}
HRESULT WebView::removeDragCaret()
{
ASSERT_NOT_REACHED();
return E_NOTIMPL;
}
HRESULT WebView::setDrawsBackground(BOOL /*drawsBackground*/)
{
ASSERT_NOT_REACHED();
return E_NOTIMPL;
}
HRESULT WebView::drawsBackground(_Out_ BOOL* /*drawsBackground*/)
{
ASSERT_NOT_REACHED();
return E_NOTIMPL;
}
HRESULT WebView::setMainFrameURL(_In_ BSTR /*urlString*/)
{
ASSERT_NOT_REACHED();
return E_NOTIMPL;
}
HRESULT WebView::mainFrameURL(_Deref_opt_out_ BSTR* urlString)
{
if (!urlString)
return E_POINTER;
if (!m_mainFrame)
return E_UNEXPECTED;
COMPtr<IWebDataSource> dataSource;
if (FAILED(m_mainFrame->provisionalDataSource(&dataSource))) {
if (FAILED(m_mainFrame->dataSource(&dataSource)))
return E_FAIL;
}
if (!dataSource) {
*urlString = nullptr;
return S_OK;
}
COMPtr<IWebMutableURLRequest> request;
if (FAILED(dataSource->request(&request)) || !request)
return E_FAIL;
if (FAILED(request->URL(urlString)))
return E_FAIL;
return S_OK;
}
HRESULT WebView::mainFrameDocument(_COM_Outptr_opt_ IDOMDocument** document)
{
if (!document)
return E_POINTER;
*document = nullptr;
if (!m_mainFrame)
return E_UNEXPECTED;
return m_mainFrame->DOMDocument(document);
}
HRESULT WebView::mainFrameTitle(_Deref_opt_out_ BSTR* /*title*/)
{
ASSERT_NOT_REACHED();
return E_NOTIMPL;
}
HRESULT WebView::mainFrameIcon(_Deref_opt_out_ HBITMAP* /*hBitmap*/)
{
ASSERT_NOT_REACHED();
return E_NOTIMPL;
}
HRESULT WebView::registerURLSchemeAsLocal(_In_ BSTR scheme)
{
if (!scheme)
return E_POINTER;
LegacySchemeRegistry::registerURLSchemeAsLocal(toString(scheme));
return S_OK;
}
// IWebIBActions ---------------------------------------------------------------
HRESULT WebView::takeStringURLFrom(_In_opt_ IUnknown* /*sender*/)
{
ASSERT_NOT_REACHED();
return E_NOTIMPL;
}
HRESULT WebView::stopLoading(_In_opt_ IUnknown* /*sender*/)
{
if (!m_mainFrame)
return E_UNEXPECTED;
return m_mainFrame->stopLoading();
}
HRESULT WebView::reload(_In_opt_ IUnknown* /*sender*/)
{
if (!m_mainFrame)
return E_UNEXPECTED;
return m_mainFrame->reload();
}
HRESULT WebView::canGoBack(_In_opt_ IUnknown* /*sender*/, _Out_ BOOL* result)
{
if (!result)
return E_POINTER;
*result = !!(m_page->backForward().backItem() && !m_page->defersLoading());
return S_OK;
}
HRESULT WebView::goBack(_In_opt_ IUnknown* /*sender*/)
{
ASSERT_NOT_REACHED();
return E_NOTIMPL;
}
HRESULT WebView::canGoForward(_In_opt_ IUnknown* /*sender*/, _Out_ BOOL* result)
{
if (!result)
return E_POINTER;
*result = !!(m_page->backForward().forwardItem() && !m_page->defersLoading());
return S_OK;
}
HRESULT WebView::goForward(_In_opt_ IUnknown* /*sender*/)
{
ASSERT_NOT_REACHED();
return E_NOTIMPL;
}
// FIXME: This code should move into WebCore so it can be shared by all the WebKits.
#define MinimumZoomMultiplier 0.5f
#define MaximumZoomMultiplier 3.0f
#define ZoomMultiplierRatio 1.2f
HRESULT WebView::canMakeTextLarger(_In_opt_ IUnknown* /*sender*/, _Out_ BOOL* result)
{
if (!result)
return E_POINTER;
bool canGrowMore = canZoomIn(m_zoomsTextOnly);
*result = canGrowMore ? TRUE : FALSE;
return S_OK;
}
HRESULT WebView::canZoomPageIn(_In_opt_ IUnknown* /*sender*/, _Out_ BOOL* result)
{
if (!result)
return E_POINTER;
bool canGrowMore = canZoomIn(false);
*result = canGrowMore ? TRUE : FALSE;
return S_OK;
}
bool WebView::canZoomIn(bool isTextOnly)
{
return zoomMultiplier(isTextOnly) * ZoomMultiplierRatio < MaximumZoomMultiplier;
}
HRESULT WebView::makeTextLarger(_In_opt_ IUnknown* /*sender*/)
{
return zoomIn(m_zoomsTextOnly);
}
HRESULT WebView::zoomPageIn(_In_opt_ IUnknown* /*sender*/)
{
return zoomIn(false);
}
HRESULT WebView::zoomIn(bool isTextOnly)
{
if (!canZoomIn(isTextOnly))
return E_FAIL;
setZoomMultiplier(zoomMultiplier(isTextOnly) * ZoomMultiplierRatio, isTextOnly);
return S_OK;
}
HRESULT WebView::canMakeTextSmaller(_In_opt_ IUnknown* /*sender*/, _Out_ BOOL* result)
{
if (!result)
return E_POINTER;
bool canShrinkMore = canZoomOut(m_zoomsTextOnly);
*result = canShrinkMore ? TRUE : FALSE;
return S_OK;
}
HRESULT WebView::canZoomPageOut(_In_opt_ IUnknown* /*sender*/, _Out_ BOOL* result)
{
if (!result)
return E_POINTER;
bool canShrinkMore = canZoomOut(false);
*result = canShrinkMore ? TRUE : FALSE;
return S_OK;
}
bool WebView::canZoomOut(bool isTextOnly)
{
return zoomMultiplier(isTextOnly) / ZoomMultiplierRatio > MinimumZoomMultiplier;
}
HRESULT WebView::makeTextSmaller(_In_opt_ IUnknown* /*sender*/)
{
return zoomOut(m_zoomsTextOnly);
}
HRESULT WebView::zoomPageOut(_In_opt_ IUnknown* /*sender*/)
{
return zoomOut(false);
}
HRESULT WebView::zoomOut(bool isTextOnly)
{
if (!canZoomOut(isTextOnly))
return E_FAIL;
setZoomMultiplier(zoomMultiplier(isTextOnly) / ZoomMultiplierRatio, isTextOnly);
return S_OK;
}
HRESULT WebView::canMakeTextStandardSize(_In_opt_ IUnknown* /*sender*/, _Out_ BOOL* result)
{
if (!result)
return E_POINTER;
// Since we always reset text zoom and page zoom together, this should continue to return an answer about text zoom even if its not enabled.
bool notAlreadyStandard = canResetZoom(true);
*result = notAlreadyStandard ? TRUE : FALSE;
return S_OK;
}
HRESULT WebView::canResetPageZoom(_In_opt_ IUnknown* /*sender*/, _Out_ BOOL* result)
{
if (!result)
return E_POINTER;
bool notAlreadyStandard = canResetZoom(false);
*result = notAlreadyStandard ? TRUE : FALSE;
return S_OK;
}
bool WebView::canResetZoom(bool isTextOnly)
{
return zoomMultiplier(isTextOnly) != 1.0f;
}
HRESULT WebView::makeTextStandardSize(_In_opt_ IUnknown* /*sender*/)
{
return resetZoom(true);
}
HRESULT WebView::resetPageZoom(_In_opt_ IUnknown* /*sender*/)
{
return resetZoom(false);
}
HRESULT WebView::resetZoom(bool isTextOnly)
{
if (!canResetZoom(isTextOnly))
return E_FAIL;
setZoomMultiplier(1.0f, isTextOnly);
return S_OK;
}
HRESULT WebView::toggleContinuousSpellChecking(_In_opt_ IUnknown* /*sender*/)
{
HRESULT hr;
BOOL enabled;
if (FAILED(hr = isContinuousSpellCheckingEnabled(&enabled)))
return hr;
return setContinuousSpellCheckingEnabled(enabled ? FALSE : TRUE);
}
HRESULT WebView::toggleSmartInsertDelete(_In_opt_ IUnknown* /*sender*/)
{
BOOL enabled = FALSE;
HRESULT hr = smartInsertDeleteEnabled(&enabled);
if (FAILED(hr))
return hr;
return setSmartInsertDeleteEnabled(enabled ? FALSE : TRUE);
}
HRESULT WebView::toggleGrammarChecking(_In_opt_ IUnknown* /*sender*/)
{
BOOL enabled;
HRESULT hr = isGrammarCheckingEnabled(&enabled);
if (FAILED(hr))
return hr;
return setGrammarCheckingEnabled(enabled ? FALSE : TRUE);
}
HRESULT WebView::reloadFromOrigin(_In_opt_ IUnknown* /*sender*/)
{
if (!m_mainFrame)
return E_UNEXPECTED;
return m_mainFrame->reloadFromOrigin();
}
// IWebViewCSS -----------------------------------------------------------------
HRESULT WebView::computedStyleForElement(_In_opt_ IDOMElement* /*element*/, _In_ BSTR /*pseudoElement*/, _COM_Outptr_opt_ IDOMCSSStyleDeclaration** style)
{
ASSERT_NOT_REACHED();
if (!style)
return E_POINTER;
*style = nullptr;
return E_NOTIMPL;
}
// IWebViewEditing -------------------------------------------------------------
HRESULT WebView::editableDOMRangeForPoint(_In_ LPPOINT /*point*/, _COM_Outptr_opt_ IDOMRange** range)
{
ASSERT_NOT_REACHED();
if (!range)
return E_POINTER;
*range = nullptr;
return E_NOTIMPL;
}
HRESULT WebView::setSelectedDOMRange(_In_opt_ IDOMRange* /*range*/, WebSelectionAffinity /*affinity*/)
{
ASSERT_NOT_REACHED();
return E_NOTIMPL;
}
HRESULT WebView::selectedDOMRange(_COM_Outptr_opt_ IDOMRange** range)
{
ASSERT_NOT_REACHED();
if (!range)
return E_POINTER;
*range = nullptr;
return E_NOTIMPL;
}
HRESULT WebView::selectionAffinity(_Out_ WebSelectionAffinity*)
{
ASSERT_NOT_REACHED();
return E_NOTIMPL;
}
HRESULT WebView::setEditable(BOOL flag)
{
if (!m_page)
return S_OK;
if (m_page->isEditable() == static_cast<bool>(flag))
return S_OK;
m_page->setEditable(flag);
if (!m_page->tabKeyCyclesThroughElements())
m_page->setTabKeyCyclesThroughElements(!flag);
return S_OK;
}
HRESULT WebView::isEditable(_Out_ BOOL* isEditable)
{
if (!isEditable)
return E_POINTER;
if (!m_page) {
*isEditable = FALSE;
return S_OK;
}
*isEditable = m_page->isEditable();
return S_OK;
}
HRESULT WebView::setTypingStyle(_In_opt_ IDOMCSSStyleDeclaration* /*style*/)
{
ASSERT_NOT_REACHED();
return E_NOTIMPL;
}
HRESULT WebView::typingStyle(_COM_Outptr_opt_ IDOMCSSStyleDeclaration** style)
{
ASSERT_NOT_REACHED();
if (!style)
return E_POINTER;
*style = nullptr;
return E_NOTIMPL;
}
HRESULT WebView::setSmartInsertDeleteEnabled(BOOL flag)
{
if (m_page->settings().smartInsertDeleteEnabled() != !!flag) {
m_page->settings().setSmartInsertDeleteEnabled(!!flag);
setSelectTrailingWhitespaceEnabled(!flag);
}
return S_OK;
}
HRESULT WebView::smartInsertDeleteEnabled(_Out_ BOOL* enabled)
{
if (!enabled)
return E_POINTER;
*enabled = m_page->settings().smartInsertDeleteEnabled() ? TRUE : FALSE;
return S_OK;
}
HRESULT WebView::setSelectTrailingWhitespaceEnabled(BOOL flag)
{
if (!m_page)
return E_FAIL;
if (m_page->settings().selectTrailingWhitespaceEnabled() != !!flag) {
m_page->settings().setSelectTrailingWhitespaceEnabled(!!flag);
setSmartInsertDeleteEnabled(!flag);
}
return S_OK;
}
HRESULT WebView::isSelectTrailingWhitespaceEnabled(_Out_ BOOL* enabled)
{
if (!enabled)
return E_POINTER;
*enabled = m_page->settings().selectTrailingWhitespaceEnabled() ? TRUE : FALSE;
return S_OK;
}
HRESULT WebView::setContinuousSpellCheckingEnabled(BOOL flag)
{
if (continuousSpellCheckingEnabled != !!flag) {
continuousSpellCheckingEnabled = !!flag;
COMPtr<IWebPreferences> prefs;
if (SUCCEEDED(preferences(&prefs)))
prefs->setContinuousSpellCheckingEnabled(flag);
}
BOOL spellCheckingEnabled;
if (SUCCEEDED(isContinuousSpellCheckingEnabled(&spellCheckingEnabled)) && spellCheckingEnabled)
preflightSpellChecker();
else
m_mainFrame->unmarkAllMisspellings();
return S_OK;
}
HRESULT WebView::isContinuousSpellCheckingEnabled(_Out_ BOOL* enabled)
{
if (!enabled)
return E_POINTER;
*enabled = (continuousSpellCheckingEnabled && continuousCheckingAllowed()) ? TRUE : FALSE;
return S_OK;
}
HRESULT WebView::spellCheckerDocumentTag(_Out_ int* tag)
{
if (!tag)
return E_POINTER;
// we just use this as a flag to indicate that we've spell checked the document
// and need to close the spell checker out when the view closes.
*tag = 0;
m_hasSpellCheckerDocumentTag = true;
return S_OK;
}
static COMPtr<IWebEditingDelegate> spellingDelegateForTimer;
static void preflightSpellCheckerNow()
{
spellingDelegateForTimer->preflightChosenSpellServer();
spellingDelegateForTimer = 0;
}
static void CALLBACK preflightSpellCheckerTimerCallback(HWND, UINT, UINT_PTR id, DWORD)
{
::KillTimer(0, id);
preflightSpellCheckerNow();
}
void WebView::preflightSpellChecker()
{
// As AppKit does, we wish to delay tickling the shared spellchecker into existence on application launch.
if (!m_editingDelegate)
return;
BOOL exists;
spellingDelegateForTimer = m_editingDelegate;
if (SUCCEEDED(m_editingDelegate->sharedSpellCheckerExists(&exists)) && exists)
preflightSpellCheckerNow();
else
::SetTimer(0, 0, 2000, preflightSpellCheckerTimerCallback);
}
bool WebView::continuousCheckingAllowed()
{
static bool allowContinuousSpellChecking = true;
static bool readAllowContinuousSpellCheckingDefault = false;
if (!readAllowContinuousSpellCheckingDefault) {
COMPtr<IWebPreferences> prefs;
if (SUCCEEDED(preferences(&prefs))) {
BOOL allowed;
prefs->allowContinuousSpellChecking(&allowed);
allowContinuousSpellChecking = !!allowed;
}
readAllowContinuousSpellCheckingDefault = true;
}
return allowContinuousSpellChecking;
}
HRESULT WebView::undoManager(_COM_Outptr_opt_ IWebUndoManager** manager)
{
ASSERT_NOT_REACHED();
if (!manager)
return E_POINTER;
*manager = nullptr;
return E_NOTIMPL;
}
HRESULT WebView::setEditingDelegate(_In_opt_ IWebEditingDelegate* d)
{
if (m_editingDelegate == d)
return S_OK;
static BSTR webViewDidBeginEditingNotificationName = SysAllocString(WebViewDidBeginEditingNotification);
static BSTR webViewDidChangeSelectionNotificationName = SysAllocString(WebViewDidChangeSelectionNotification);
static BSTR webViewDidEndEditingNotificationName = SysAllocString(WebViewDidEndEditingNotification);
static BSTR webViewDidChangeTypingStyleNotificationName = SysAllocString(WebViewDidChangeTypingStyleNotification);
static BSTR webViewDidChangeNotificationName = SysAllocString(WebViewDidChangeNotification);
IWebNotificationCenter* notifyCenter = WebNotificationCenter::defaultCenterInternal();
COMPtr<IWebNotificationObserver> wasObserver(Query, m_editingDelegate);
if (wasObserver) {
notifyCenter->removeObserver(wasObserver.get(), webViewDidBeginEditingNotificationName, nullptr);
notifyCenter->removeObserver(wasObserver.get(), webViewDidChangeSelectionNotificationName, nullptr);
notifyCenter->removeObserver(wasObserver.get(), webViewDidEndEditingNotificationName, nullptr);
notifyCenter->removeObserver(wasObserver.get(), webViewDidChangeTypingStyleNotificationName, nullptr);
notifyCenter->removeObserver(wasObserver.get(), webViewDidChangeNotificationName, nullptr);
}
m_editingDelegate = d;
COMPtr<IWebNotificationObserver> isObserver(Query, m_editingDelegate);
if (isObserver) {
notifyCenter->addObserver(isObserver.get(), webViewDidBeginEditingNotificationName, nullptr);
notifyCenter->addObserver(isObserver.get(), webViewDidChangeSelectionNotificationName, nullptr);
notifyCenter->addObserver(isObserver.get(), webViewDidEndEditingNotificationName, nullptr);
notifyCenter->addObserver(isObserver.get(), webViewDidChangeTypingStyleNotificationName, nullptr);
notifyCenter->addObserver(isObserver.get(), webViewDidChangeNotificationName, nullptr);
}
return S_OK;
}
HRESULT WebView::editingDelegate(_COM_Outptr_opt_ IWebEditingDelegate** d)
{
if (!d) {
ASSERT_NOT_REACHED();
return E_POINTER;
}
*d = m_editingDelegate.get();
if (!*d)
return E_FAIL;
(*d)->AddRef();
return S_OK;
}
HRESULT WebView::styleDeclarationWithText(_In_ BSTR /*text*/, _COM_Outptr_opt_ IDOMCSSStyleDeclaration** style)
{
ASSERT_NOT_REACHED();
if (!style)
return E_POINTER;
*style = nullptr;
return E_NOTIMPL;
}
HRESULT WebView::hasSelectedRange(_Out_ BOOL* hasSelectedRange)
{
if (!hasSelectedRange)
return E_POINTER;
*hasSelectedRange = m_page->mainFrame().selection().isRange();
return S_OK;
}
HRESULT WebView::cutEnabled(_Out_ BOOL* enabled)
{
if (!enabled)
return E_POINTER;
Editor& editor = m_page->focusController().focusedOrMainFrame().editor();
*enabled = editor.canCut() || editor.canDHTMLCut();
return S_OK;
}
HRESULT WebView::copyEnabled(_Out_ BOOL* enabled)
{
if (!enabled)
return E_POINTER;
Editor& editor = m_page->focusController().focusedOrMainFrame().editor();
*enabled = editor.canCopy() || editor.canDHTMLCopy();
return S_OK;
}
HRESULT WebView::pasteEnabled(_Out_ BOOL* enabled)
{
if (!enabled)
return E_POINTER;
Editor& editor = m_page->focusController().focusedOrMainFrame().editor();
*enabled = editor.canPaste() || editor.canDHTMLPaste();
return S_OK;
}
HRESULT WebView::deleteEnabled(_Out_ BOOL* enabled)
{
if (!enabled)
return E_POINTER;
*enabled = m_page->focusController().focusedOrMainFrame().editor().canDelete();
return S_OK;
}
HRESULT WebView::editingEnabled(_Out_ BOOL* enabled)
{
if (!enabled)
return E_POINTER;
*enabled = m_page->focusController().focusedOrMainFrame().editor().canEdit();
return S_OK;
}
HRESULT WebView::isGrammarCheckingEnabled(_Out_ BOOL* enabled)
{
if (!enabled)
return E_POINTER;
*enabled = grammarCheckingEnabled ? TRUE : FALSE;
return S_OK;
}
HRESULT WebView::setGrammarCheckingEnabled(BOOL enabled)
{
if (!m_editingDelegate) {
LOG_ERROR("No NSSpellChecker");
return E_FAIL;
}
if (grammarCheckingEnabled == !!enabled)
return S_OK;
grammarCheckingEnabled = !!enabled;
COMPtr<IWebPreferences> prefs;
if (SUCCEEDED(preferences(&prefs)))
prefs->setGrammarCheckingEnabled(enabled);
m_editingDelegate->updateGrammar();
// We call _preflightSpellChecker when turning continuous spell checking on, but we don't need to do that here
// because grammar checking only occurs on code paths that already preflight spell checking appropriately.
BOOL grammarEnabled;
if (SUCCEEDED(isGrammarCheckingEnabled(&grammarEnabled)) && !grammarEnabled)
m_mainFrame->unmarkAllBadGrammar();
return S_OK;
}
// IWebViewUndoableEditing -----------------------------------------------------
HRESULT WebView::replaceSelectionWithNode(_In_opt_ IDOMNode* /*node*/)
{
ASSERT_NOT_REACHED();
return E_NOTIMPL;
}
HRESULT WebView::replaceSelectionWithText(_In_ BSTR text)
{
if (!m_page)
return E_FAIL;
Position start = m_page->mainFrame().selection().selection().start();
m_page->focusController().focusedOrMainFrame().editor().insertText(toString(text), 0);
m_page->mainFrame().selection().setBase(start);
return S_OK;
}
HRESULT WebView::replaceSelectionWithMarkupString(_In_ BSTR /*markupString*/)
{
ASSERT_NOT_REACHED();
return E_NOTIMPL;
}
HRESULT WebView::replaceSelectionWithArchive(_In_opt_ IWebArchive* /*archive*/)
{
ASSERT_NOT_REACHED();
return E_NOTIMPL;
}
HRESULT WebView::deleteSelection()
{
if (!m_page)
return E_FAIL;
Editor& editor = m_page->focusController().focusedOrMainFrame().editor();
editor.deleteSelectionWithSmartDelete(editor.canSmartCopyOrDelete());
return S_OK;
}
HRESULT WebView::clearSelection()
{
if (!m_page)
return E_FAIL;
m_page->focusController().focusedOrMainFrame().selection().clear();
return S_OK;
}
HRESULT WebView::applyStyle(_In_opt_ IDOMCSSStyleDeclaration* /*style*/)
{
ASSERT_NOT_REACHED();
return E_NOTIMPL;
}
// IWebViewEditingActions ------------------------------------------------------
HRESULT WebView::copy(_In_opt_ IUnknown* /*sender*/)
{
if (!m_page)
return E_FAIL;
m_page->focusController().focusedOrMainFrame().editor().command("Copy").execute();
return S_OK;
}
HRESULT WebView::cut(_In_opt_ IUnknown* /*sender*/)
{
if (!m_page)
return E_FAIL;
m_page->focusController().focusedOrMainFrame().editor().command("Cut").execute();
return S_OK;
}
HRESULT WebView::paste(_In_opt_ IUnknown* /*sender*/)
{
if (!m_page)
return E_FAIL;
m_page->focusController().focusedOrMainFrame().editor().command("Paste").execute();
return S_OK;
}
HRESULT WebView::copyURL(_In_ BSTR url)
{
if (!m_page)
return E_FAIL;
m_page->focusController().focusedOrMainFrame().editor().copyURL(MarshallingHelpers::BSTRToKURL(url), "");
return S_OK;
}
HRESULT WebView::copyFont(_In_opt_ IUnknown* /*sender*/)
{
ASSERT_NOT_REACHED();
return E_NOTIMPL;
}
HRESULT WebView::pasteFont(_In_opt_ IUnknown* /*sender*/)
{
ASSERT_NOT_REACHED();
return E_NOTIMPL;
}
HRESULT WebView::delete_(_In_opt_ IUnknown* /*sender*/)
{
if (!m_page)
return E_FAIL;
m_page->focusController().focusedOrMainFrame().editor().command("Delete").execute();
return S_OK;
}
HRESULT WebView::pasteAsPlainText(_In_opt_ IUnknown* /*sender*/)
{
ASSERT_NOT_REACHED();
return E_NOTIMPL;
}
HRESULT WebView::pasteAsRichText(_In_opt_ IUnknown* /*sender*/)
{
ASSERT_NOT_REACHED();
return E_NOTIMPL;
}
HRESULT WebView::changeFont(_In_opt_ IUnknown* /*sender*/)
{
ASSERT_NOT_REACHED();
return E_NOTIMPL;
}
HRESULT WebView::changeAttributes(_In_opt_ IUnknown* /*sender*/)
{
ASSERT_NOT_REACHED();
return E_NOTIMPL;
}
HRESULT WebView::changeDocumentBackgroundColor(_In_opt_ IUnknown* /*sender*/)
{
ASSERT_NOT_REACHED();
return E_NOTIMPL;
}
HRESULT WebView::changeColor(_In_opt_ IUnknown* /*sender*/)
{
ASSERT_NOT_REACHED();
return E_NOTIMPL;
}
HRESULT WebView::alignCenter(_In_opt_ IUnknown* /*sender*/)
{
ASSERT_NOT_REACHED();
return E_NOTIMPL;
}
HRESULT WebView::alignJustified(_In_opt_ IUnknown* /*sender*/)
{
ASSERT_NOT_REACHED();
return E_NOTIMPL;
}
HRESULT WebView::alignLeft(_In_opt_ IUnknown* /*sender*/)
{
ASSERT_NOT_REACHED();
return E_NOTIMPL;
}
HRESULT WebView::alignRight(_In_opt_ IUnknown* /*sender*/)
{
ASSERT_NOT_REACHED();
return E_NOTIMPL;
}
HRESULT WebView::checkSpelling(_In_opt_ IUnknown* /*sender*/)
{
if (!m_editingDelegate) {
LOG_ERROR("No NSSpellChecker");
return E_FAIL;
}
core(m_mainFrame)->editor().advanceToNextMisspelling();
return S_OK;
}
HRESULT WebView::showGuessPanel(_In_opt_ IUnknown* /*sender*/)
{
if (!m_editingDelegate) {
LOG_ERROR("No NSSpellChecker");
return E_FAIL;
}
// Post-Tiger, this menu item is a show/hide toggle, to match AppKit. Leave Tiger behavior alone
// to match rest of OS X.
BOOL showing;
if (SUCCEEDED(m_editingDelegate->spellingUIIsShowing(&showing)) && showing) {
m_editingDelegate->showSpellingUI(FALSE);
}
core(m_mainFrame)->editor().advanceToNextMisspelling(true);
m_editingDelegate->showSpellingUI(TRUE);
return S_OK;
}
HRESULT WebView::performFindPanelAction(_In_opt_ IUnknown* /*sender*/)
{
ASSERT_NOT_REACHED();
return E_NOTIMPL;
}
HRESULT WebView::startSpeaking(_In_opt_ IUnknown* /*sender*/)
{
ASSERT_NOT_REACHED();
return E_NOTIMPL;
}
HRESULT WebView::stopSpeaking(_In_opt_ IUnknown* /*sender*/)
{
ASSERT_NOT_REACHED();
return E_NOTIMPL;
}
// IWebNotificationObserver -----------------------------------------------------------------
HRESULT WebView::onNotify(_In_opt_ IWebNotification* notification)
{
if (!notification)
return E_POINTER;
BString name;
HRESULT hr = notification->name(&name);
if (FAILED(hr))
return hr;
if (!wcscmp(name, WebPreferences::webPreferencesChangedNotification()))
return notifyPreferencesChanged(notification);
return hr;
}
HRESULT WebView::notifyPreferencesChanged(IWebNotification* notification)
{
if (!m_page)
return E_FAIL;
HRESULT hr;
COMPtr<IUnknown> unkPrefs;
hr = notification->getObject(&unkPrefs);
if (FAILED(hr))
return hr;
COMPtr<IWebPreferences> preferences(Query, unkPrefs);
if (!preferences)
return E_NOINTERFACE;
ASSERT(preferences == m_preferences);
hr = preferencesChangedGenerated(*m_preferences);
if (FAILED(hr))
return hr;
BString str;
int size;
unsigned javaScriptRuntimeFlags;
BOOL enabled = FALSE;
Settings& settings = m_page->settings();
hr = preferences->cursiveFontFamily(&str);
if (FAILED(hr))
return hr;
settings.setCursiveFontFamily(toAtomString(str));
str.clear();
hr = preferences->defaultFixedFontSize(&size);
if (FAILED(hr))
return hr;
settings.setDefaultFixedFontSize(size);
hr = preferences->defaultFontSize(&size);
if (FAILED(hr))
return hr;
settings.setDefaultFontSize(size);
hr = preferences->defaultTextEncodingName(&str);
if (FAILED(hr))
return hr;
settings.setDefaultTextEncodingName(toString(str));
str.clear();
hr = preferences->fantasyFontFamily(&str);
if (FAILED(hr))
return hr;
settings.setFantasyFontFamily(toAtomString(str));
str.clear();
hr = preferences->fixedFontFamily(&str);
if (FAILED(hr))
return hr;
settings.setFixedFontFamily(toAtomString(str));
str.clear();
#if ENABLE(VIDEO)
hr = preferences->shouldDisplaySubtitles(&enabled);
if (FAILED(hr))
return hr;
settings.setShouldDisplaySubtitles(enabled);
hr = preferences->shouldDisplayCaptions(&enabled);
if (FAILED(hr))
return hr;
settings.setShouldDisplayCaptions(enabled);
hr = preferences->shouldDisplayTextDescriptions(&enabled);
if (FAILED(hr))
return hr;
settings.setShouldDisplayTextDescriptions(enabled);
#endif
COMPtr<IWebPreferencesPrivate8> prefsPrivate { Query, preferences };
if (prefsPrivate) {
hr = prefsPrivate->localStorageDatabasePath(&str);
if (FAILED(hr))
return hr;
settings.setLocalStorageDatabasePath(toString(str));
str.clear();
}
hr = preferences->pictographFontFamily(&str);
if (FAILED(hr))
return hr;
settings.setPictographFontFamily(toAtomString(str));
str.clear();
hr = preferences->isJavaEnabled(&enabled);
if (FAILED(hr))
return hr;
settings.setJavaEnabled(!!enabled);
hr = preferences->isJavaScriptEnabled(&enabled);
if (FAILED(hr))
return hr;
settings.setScriptEnabled(!!enabled);
hr = preferences->javaScriptCanOpenWindowsAutomatically(&enabled);
if (FAILED(hr))
return hr;
settings.setJavaScriptCanOpenWindowsAutomatically(!!enabled);
hr = preferences->minimumFontSize(&size);
if (FAILED(hr))
return hr;
settings.setMinimumFontSize(size);
hr = preferences->minimumLogicalFontSize(&size);
if (FAILED(hr))
return hr;
settings.setMinimumLogicalFontSize(size);
hr = preferences->arePlugInsEnabled(&enabled);
if (FAILED(hr))
return hr;
settings.setPluginsEnabled(!!enabled);
// FIXME: Add preferences for the runtime enabled features.
hr = prefsPrivate->menuItemElementEnabled(&enabled);
if (FAILED(hr))
return hr;
RuntimeEnabledFeatures::sharedFeatures().setMenuItemElementEnabled(!!enabled);
hr = prefsPrivate->keygenElementEnabled(&enabled);
if (FAILED(hr))
return hr;
RuntimeEnabledFeatures::sharedFeatures().setKeygenElementEnabled(!!enabled);
hr = prefsPrivate->webAnimationsCompositeOperationsEnabled(&enabled);
if (FAILED(hr))
return hr;
settings.setWebAnimationsCompositeOperationsEnabled(!!enabled);
hr = prefsPrivate->webAnimationsMutableTimelinesEnabled(&enabled);
if (FAILED(hr))
return hr;
settings.setWebAnimationsMutableTimelinesEnabled(!!enabled);
hr = prefsPrivate->CSSCustomPropertiesAndValuesEnabled(&enabled);
if (FAILED(hr))
return hr;
settings.setCSSCustomPropertiesAndValuesEnabled(!!enabled);
hr = prefsPrivate->linkPreloadEnabled(&enabled);
if (FAILED(hr))
return hr;
settings.setLinkPreloadEnabled(!!enabled);
hr = prefsPrivate->fetchAPIKeepAliveEnabled(&enabled);
if (FAILED(hr))
return hr;
RuntimeEnabledFeatures::sharedFeatures().setFetchAPIKeepAliveEnabled(!!enabled);
hr = prefsPrivate->mediaPreloadingEnabled(&enabled);
if (FAILED(hr))
return hr;
settings.setMediaPreloadingEnabled(!!enabled);
hr = prefsPrivate->dataTransferItemsEnabled(&enabled);
if (FAILED(hr))
return hr;
settings.setDataTransferItemsEnabled(!!enabled);
hr = prefsPrivate->inspectorAdditionsEnabled(&enabled);
if (FAILED(hr))
return hr;
RuntimeEnabledFeatures::sharedFeatures().setInspectorAdditionsEnabled(!!enabled);
hr = prefsPrivate->webSQLEnabled(&enabled);
if (FAILED(hr))
return hr;
RuntimeEnabledFeatures::sharedFeatures().setWebSQLEnabled(enabled);
hr = prefsPrivate->visualViewportAPIEnabled(&enabled);
if (FAILED(hr))
return hr;
settings.setVisualViewportAPIEnabled(!!enabled);
hr = prefsPrivate->CSSOMViewScrollingAPIEnabled(&enabled);
if (FAILED(hr))
return hr;
settings.setCSSOMViewScrollingAPIEnabled(!!enabled);
hr = prefsPrivate->CSSOMViewSmoothScrollingEnabled(&enabled);
if (FAILED(hr))
return hr;
settings.setCSSOMViewSmoothScrollingEnabled(!!enabled);
hr = prefsPrivate->CSSIndividualTransformPropertiesEnabled(&enabled);
if (FAILED(hr))
return hr;
settings.setCSSIndividualTransformPropertiesEnabled(!!enabled);
hr = preferences->privateBrowsingEnabled(&enabled);
if (FAILED(hr))
return hr;
#if PLATFORM(WIN) || USE(CFURLCONNECTION)
if (enabled)
WebFrameNetworkingContext::ensurePrivateBrowsingSession();
else
WebFrameNetworkingContext::destroyPrivateBrowsingSession();
#endif
m_page->setSessionID(!!enabled ? PAL::SessionID::legacyPrivateSessionID() : PAL::SessionID::defaultSessionID());
m_page->setBroadcastChannelRegistry(WebBroadcastChannelRegistry::getOrCreate(!!enabled));
hr = preferences->sansSerifFontFamily(&str);
if (FAILED(hr))
return hr;
settings.setSansSerifFontFamily(toAtomString(str));
str.clear();
hr = preferences->serifFontFamily(&str);
if (FAILED(hr))
return hr;
settings.setSerifFontFamily(toAtomString(str));
str.clear();
hr = preferences->standardFontFamily(&str);
if (FAILED(hr))
return hr;
settings.setStandardFontFamily(toAtomString(str));
str.clear();
hr = preferences->loadsImagesAutomatically(&enabled);
if (FAILED(hr))
return hr;
settings.setLoadsImagesAutomatically(!!enabled);
hr = preferences->userStyleSheetEnabled(&enabled);
if (FAILED(hr))
return hr;
if (enabled) {
hr = preferences->userStyleSheetLocation(&str);
if (FAILED(hr))
return hr;
#if USE(CF)
RetainPtr<CFURLRef> url = adoptCF(CFURLCreateWithString(kCFAllocatorDefault, toString(str).createCFString().get(), 0));
// Check if the passed in string is a path and convert it to a URL.
// FIXME: This is a workaround for nightly builds until we can get Safari to pass
// in an URL here. See <rdar://problem/5478378>
if (!url) {
DWORD len = SysStringLen(str) + 1;
int result = WideCharToMultiByte(CP_UTF8, 0, str, len, 0, 0, 0, 0);
Vector<UInt8> utf8Path(result);
if (!WideCharToMultiByte(CP_UTF8, 0, str, len, (LPSTR)utf8Path.data(), result, 0, 0))
return E_FAIL;
url = adoptCF(CFURLCreateFromFileSystemRepresentation(0, utf8Path.data(), result - 1, false));
}
settings.setUserStyleSheetLocation(url.get());
#else
ASSERT(0);
#endif
str.clear();
} else
settings.setUserStyleSheetLocation(URL());
hr = preferences->shouldPrintBackgrounds(&enabled);
if (FAILED(hr))
return hr;
settings.setShouldPrintBackgrounds(!!enabled);
hr = preferences->textAreasAreResizable(&enabled);
if (FAILED(hr))
return hr;
settings.setTextAreasAreResizable(!!enabled);
WebKitEditableLinkBehavior behavior;
hr = preferences->editableLinkBehavior(&behavior);
if (FAILED(hr))
return hr;
settings.setEditableLinkBehavior((EditableLinkBehavior)behavior);
hr = preferences->usesPageCache(&enabled);
if (FAILED(hr))
return hr;
settings.setUsesBackForwardCache(!!enabled);
hr = preferences->isDOMPasteAllowed(&enabled);
if (FAILED(hr))
return hr;
settings.setDOMPasteAllowed(!!enabled);
hr = preferences->zoomsTextOnly(&enabled);
if (FAILED(hr))
return hr;
if (m_zoomsTextOnly != !!enabled)
setZoomMultiplier(m_zoomMultiplier, enabled);
settings.setShowsURLsInToolTips(false);
settings.setForceFTPDirectoryListings(true);
settings.setDeveloperExtrasEnabled(developerExtrasEnabled());
settings.setNeedsSiteSpecificQuirks(s_allowSiteSpecificHacks);
FontSmoothingType smoothingType;
hr = preferences->fontSmoothing(&smoothingType);
if (FAILED(hr))
return hr;
settings.setFontRenderingMode(smoothingType != FontSmoothingTypeWindows ? FontRenderingMode::Normal : FontRenderingMode::Alternate);
#if USE(AVFOUNDATION)
hr = preferences->avFoundationEnabled(&enabled);
if (FAILED(hr))
return hr;
DeprecatedGlobalSettings::setAVFoundationEnabled(enabled);
#endif
if (prefsPrivate) {
hr = prefsPrivate->authorAndUserStylesEnabled(&enabled);
if (FAILED(hr))
return hr;
settings.setAuthorAndUserStylesEnabled(enabled);
}
hr = prefsPrivate->offlineWebApplicationCacheEnabled(&enabled);
if (FAILED(hr))
return hr;
settings.setOfflineWebApplicationCacheEnabled(enabled);
hr = prefsPrivate->databasesEnabled(&enabled);
if (FAILED(hr))
return hr;
DatabaseManager::singleton().setIsAvailable(enabled);
hr = prefsPrivate->localStorageEnabled(&enabled);
if (FAILED(hr))
return hr;
settings.setLocalStorageEnabled(enabled);
hr = prefsPrivate->isWebSecurityEnabled(&enabled);
if (FAILED(hr))
return hr;
settings.setWebSecurityEnabled(!!enabled);
hr = prefsPrivate->allowTopNavigationToDataURLs(&enabled);
if (FAILED(hr))
return hr;
settings.setAllowTopNavigationToDataURLs(!!enabled);
hr = prefsPrivate->allowUniversalAccessFromFileURLs(&enabled);
if (FAILED(hr))
return hr;
settings.setAllowUniversalAccessFromFileURLs(!!enabled);
hr = prefsPrivate->allowFileAccessFromFileURLs(&enabled);
if (FAILED(hr))
return hr;
settings.setAllowFileAccessFromFileURLs(!!enabled);
hr = prefsPrivate->javaScriptCanAccessClipboard(&enabled);
if (FAILED(hr))
return hr;
settings.setJavaScriptCanAccessClipboard(!!enabled);
hr = prefsPrivate->isXSSAuditorEnabled(&enabled);
if (FAILED(hr))
return hr;
settings.setXSSAuditorEnabled(!!enabled);
hr = prefsPrivate->shouldUseHighResolutionTimers(&enabled);
if (FAILED(hr))
return hr;
DeprecatedGlobalSettings::setShouldUseHighResolutionTimers(enabled);
hr = prefsPrivate->isFrameFlatteningEnabled(&enabled);
if (FAILED(hr))
return hr;
settings.setFrameFlattening(enabled ? FrameFlattening::FullyEnabled : FrameFlattening::Disabled);
hr = prefsPrivate->acceleratedCompositingEnabled(&enabled);
if (FAILED(hr))
return hr;
#if USE(DIRECT2D)
// Disable accelerated compositing for now.
enabled = false;
#endif
settings.setAcceleratedCompositingEnabled(enabled);
hr = prefsPrivate->showDebugBorders(&enabled);
if (FAILED(hr))
return hr;
settings.setShowDebugBorders(enabled);
hr = prefsPrivate->showRepaintCounter(&enabled);
if (FAILED(hr))
return hr;
settings.setShowRepaintCounter(enabled);
hr = prefsPrivate->showTiledScrollingIndicator(&enabled);
if (FAILED(hr))
return hr;
settings.setShowTiledScrollingIndicator(!!enabled);
#if ENABLE(WEB_AUDIO)
settings.setWebAudioEnabled(true);
#endif // ENABLE(WEB_AUDIO)
#if ENABLE(WEBGL)
settings.setWebGLEnabled(true);
#endif // ENABLE(WEBGL)
hr = prefsPrivate->spatialNavigationEnabled(&enabled);
if (FAILED(hr))
return hr;
settings.setSpatialNavigationEnabled(!!enabled);
hr = prefsPrivate->isDNSPrefetchingEnabled(&enabled);
if (FAILED(hr))
return hr;
settings.setDNSPrefetchingEnabled(enabled);
hr = prefsPrivate->hyperlinkAuditingEnabled(&enabled);
if (FAILED(hr))
return hr;
settings.setHyperlinkAuditingEnabled(enabled);
hr = prefsPrivate->loadsSiteIconsIgnoringImageLoadingPreference(&enabled);
if (FAILED(hr))
return hr;
settings.setLoadsSiteIconsIgnoringImageLoadingSetting(!!enabled);
hr = prefsPrivate->showsToolTipOverTruncatedText(&enabled);
if (FAILED(hr))
return hr;
settings.setShowsToolTipOverTruncatedText(enabled);
m_mainFrame->invalidate(); // FIXME
hr = updateSharedSettingsFromPreferencesIfNeeded(preferences.get());
if (FAILED(hr))
return hr;
#if ENABLE(FULLSCREEN_API)
hr = prefsPrivate->isFullScreenEnabled(&enabled);
if (FAILED(hr))
return hr;
settings.setFullScreenEnabled(enabled);
#endif
hr = prefsPrivate->mediaPlaybackRequiresUserGesture(&enabled);
if (FAILED(hr))
return hr;
settings.setVideoPlaybackRequiresUserGesture(enabled);
settings.setAudioPlaybackRequiresUserGesture(enabled);
hr = prefsPrivate->mediaPlaybackAllowsInline(&enabled);
if (FAILED(hr))
return hr;
settings.setAllowsInlineMediaPlayback(enabled);
hr = prefsPrivate->shouldInvertColors(&enabled);
if (FAILED(hr))
return hr;
setShouldInvertColors(enabled);
hr = prefsPrivate->requestAnimationFrameEnabled(&enabled);
if (FAILED(hr))
return hr;
settings.setRequestAnimationFrameEnabled(enabled);
hr = prefsPrivate->mockScrollbarsEnabled(&enabled);
if (FAILED(hr))
return hr;
DeprecatedGlobalSettings::setMockScrollbarsEnabled(enabled);
hr = prefsPrivate->isInheritURIQueryComponentEnabled(&enabled);
if (FAILED(hr))
return hr;
settings.setEnableInheritURIQueryComponent(enabled);
hr = prefsPrivate->allowDisplayAndRunningOfInsecureContent(&enabled);
if (FAILED(hr))
return hr;
settings.setAllowDisplayOfInsecureContent(!!enabled);
settings.setAllowRunningOfInsecureContent(!!enabled);
hr = prefsPrivate->javaScriptRuntimeFlags(&javaScriptRuntimeFlags);
if (FAILED(hr))
return hr;
settings.setJavaScriptRuntimeFlags(JSC::RuntimeFlags(javaScriptRuntimeFlags));
hr = prefsPrivate->serverTimingEnabled(&enabled);
if (FAILED(hr))
return hr;
RuntimeEnabledFeatures::sharedFeatures().setServerTimingEnabled(!!enabled);
hr = prefsPrivate->resizeObserverEnabled(&enabled);
if (FAILED(hr))
return hr;
settings.setResizeObserverEnabled(!!enabled);
hr = prefsPrivate->coreMathMLEnabled(&enabled);
if (FAILED(hr))
return hr;
settings.setCoreMathMLEnabled(!!enabled);
hr = prefsPrivate->requestIdleCallbackEnabled(&enabled);
if (FAILED(hr))
return hr;
settings.setRequestIdleCallbackEnabled(!!enabled);
hr = prefsPrivate->asyncClipboardAPIEnabled(&enabled);
if (FAILED(hr))
return hr;
settings.setAsyncClipboardAPIEnabled(!!enabled);
hr = prefsPrivate->contactPickerAPIEnabled(&enabled);
if (FAILED(hr))
return hr;
settings.setContactPickerAPIEnabled(!!enabled);
hr = prefsPrivate->aspectRatioOfImgFromWidthAndHeightEnabled(&enabled);
if (FAILED(hr))
return hr;
settings.setAspectRatioOfImgFromWidthAndHeightEnabled(!!enabled);
hr = prefsPrivate->speechRecognitionEnabled(&enabled);
if (FAILED(hr))
return hr;
settings.setSpeechRecognitionEnabled(!!enabled);
hr = prefsPrivate->overscrollBehaviorEnabled(&enabled);
if (FAILED(hr))
return hr;
settings.setOverscrollBehaviorEnabled(!!enabled);
settings.setCanvasColorSpaceEnabled(m_preferences->canvasColorSpaceEnabled());
settings.setMockScrollAnimatorEnabled(m_preferences->mockScrollAnimatorEnabled());
return S_OK;
}
HRESULT updateSharedSettingsFromPreferencesIfNeeded(IWebPreferences* preferences)
{
if (preferences != WebPreferences::sharedStandardPreferences())
return S_OK;
WebKitCookieStorageAcceptPolicy acceptPolicy;
HRESULT hr = preferences->cookieStorageAcceptPolicy(&acceptPolicy);
if (FAILED(hr))
return hr;
#if USE(CFURLCONNECTION)
WebFrameNetworkingContext::setCookieAcceptPolicyForAllContexts(acceptPolicy);
#endif
return S_OK;
}
// IWebViewPrivate ------------------------------------------------------------
HRESULT WebView::MIMETypeForExtension(_In_ BSTR extension, _Deref_opt_out_ BSTR* mimeType)
{
if (!mimeType)
return E_POINTER;
*mimeType = BString(MIMETypeRegistry::mimeTypeForExtension(toString(extension))).release();
return S_OK;
}
HRESULT WebView::setCustomDropTarget(_In_opt_ IDropTarget* dt)
{
ASSERT(::IsWindow(m_viewWindow));
if (!dt)
return E_POINTER;
m_hasCustomDropTarget = true;
revokeDragDrop();
return ::RegisterDragDrop(m_viewWindow,dt);
}
HRESULT WebView::removeCustomDropTarget()
{
if (!m_hasCustomDropTarget)
return S_OK;
m_hasCustomDropTarget = false;
revokeDragDrop();
return registerDragDrop();
}
HRESULT WebView::setInViewSourceMode(BOOL)
{
return E_NOTIMPL;
}
HRESULT WebView::inViewSourceMode(_Out_ BOOL*)
{
return E_NOTIMPL;
}
HRESULT WebView::viewWindow(_Deref_opt_out_ HWND* window)
{
if (!window)
return E_POINTER;
*window = m_viewWindow;
return S_OK;
}
HRESULT WebView::setFormDelegate(_In_opt_ IWebFormDelegate* formDelegate)
{
m_formDelegate = formDelegate;
return S_OK;
}
HRESULT WebView::formDelegate(_COM_Outptr_opt_ IWebFormDelegate** formDelegate)
{
if (!formDelegate)
return E_POINTER;
*formDelegate = nullptr;
if (!m_formDelegate)
return E_FAIL;
return m_formDelegate.copyRefTo(formDelegate);
}
HRESULT WebView::setFrameLoadDelegatePrivate(_In_opt_ IWebFrameLoadDelegatePrivate* d)
{
if (m_frameLoadDelegatePrivate == d)
return S_OK;
static BSTR webViewProgressFinishedNotificationName = SysAllocString(WebViewProgressFinishedNotification);
IWebNotificationCenter* notifyCenter = WebNotificationCenter::defaultCenterInternal();
COMPtr<IWebNotificationObserver> wasObserver(Query, m_frameLoadDelegatePrivate);
if (wasObserver)
notifyCenter->removeObserver(wasObserver.get(), webViewProgressFinishedNotificationName, nullptr);
m_frameLoadDelegatePrivate = d;
COMPtr<IWebNotificationObserver> isObserver(Query, m_frameLoadDelegatePrivate);
if (isObserver)
notifyCenter->addObserver(isObserver.get(), webViewProgressFinishedNotificationName, nullptr);
return S_OK;
}
HRESULT WebView::frameLoadDelegatePrivate(_COM_Outptr_opt_ IWebFrameLoadDelegatePrivate** d)
{
if (!d)
return E_POINTER;
*d = nullptr;
if (!m_frameLoadDelegatePrivate)
return E_FAIL;
return m_frameLoadDelegatePrivate.copyRefTo(d);
}
HRESULT WebView::scrollOffset(_Out_ LPPOINT offset)
{
if (!offset)
return E_POINTER;
if (!m_page || !m_page->mainFrame().view())
return E_FAIL;
IntPoint scrollPosition = m_page->mainFrame().view()->scrollPosition();
float scaleFactor = deviceScaleFactor();
scrollPosition.scale(scaleFactor, scaleFactor);
offset->x = scrollPosition.x();
offset->y = scrollPosition.y();
return S_OK;
}
HRESULT WebView::scrollBy(_In_ LPPOINT offset)
{
if (!offset)
return E_POINTER;
if (!m_page || !m_page->mainFrame().view())
return E_FAIL;
IntSize scrollDelta(offset->x, offset->y);
scrollDelta.scale(1.0f / deviceScaleFactor());
m_page->mainFrame().view()->scrollBy(scrollDelta);
return S_OK;
}
HRESULT WebView::visibleContentRect(_Out_ LPRECT rect)
{
if (!rect)
return E_POINTER;
if (!m_page || !m_page->mainFrame().view())
return E_FAIL;
FloatRect visibleContent = m_page->mainFrame().view()->visibleContentRect();
visibleContent.scale(deviceScaleFactor());
rect->left = (LONG) visibleContent.x();
rect->top = (LONG) visibleContent.y();
rect->right = (LONG) visibleContent.maxX();
rect->bottom = (LONG) visibleContent.maxY();
return S_OK;
}
static DWORD dragOperationToDragCursor(std::optional<DragOperation> operation)
{
if (!operation)
return DROPEFFECT_NONE;
DWORD result = DROPEFFECT_NONE;
if (*operation == DragOperation::Copy)
result = DROPEFFECT_COPY;
else if (*operation == DragOperation::Link)
result = DROPEFFECT_LINK;
else if (*operation == DragOperation::Move)
result = DROPEFFECT_MOVE;
else if (*operation == DragOperation::Generic)
result = DROPEFFECT_MOVE; // This appears to be the Firefox behaviour.
return result;
}
OptionSet<DragOperation> WebView::keyStateToDragOperation(DWORD grfKeyState) const
{
if (!m_page)
return { };
// Conforms to Microsoft's key combinations as documented for
// IDropTarget::DragOver. Note, grfKeyState is the current
// state of the keyboard modifier keys on the keyboard. See:
// <http://msdn.microsoft.com/en-us/library/ms680129(VS.85).aspx>.
auto operationMask = m_page->dragController().sourceDragOperationMask();
if ((grfKeyState & (MK_CONTROL | MK_SHIFT)) == (MK_CONTROL | MK_SHIFT))
operationMask = { DragOperation::Link };
else if ((grfKeyState & MK_CONTROL) == MK_CONTROL)
operationMask = { DragOperation::Copy };
else if ((grfKeyState & MK_SHIFT) == MK_SHIFT)
operationMask = { DragOperation::Generic };
return operationMask;
}
HRESULT WebView::DragEnter(IDataObject* pDataObject, DWORD grfKeyState, POINTL pt, DWORD* pdwEffect)
{
m_dragData = nullptr;
if (m_dropTargetHelper)
m_dropTargetHelper->DragEnter(m_viewWindow, pDataObject, (POINT*)&pt, *pdwEffect);
POINTL localpt = pt;
::ScreenToClient(m_viewWindow, (LPPOINT)&localpt);
DragData data(pDataObject, IntPoint(localpt.x, localpt.y),
IntPoint(pt.x, pt.y), keyStateToDragOperation(grfKeyState));
*pdwEffect = dragOperationToDragCursor(m_page->dragController().dragEntered(data));
m_lastDropEffect = *pdwEffect;
m_dragData = pDataObject;
return S_OK;
}
HRESULT WebView::DragOver(DWORD grfKeyState, POINTL pt, DWORD* pdwEffect)
{
if (m_dropTargetHelper)
m_dropTargetHelper->DragOver((POINT*)&pt, *pdwEffect);
if (m_dragData) {
POINTL localpt = pt;
::ScreenToClient(m_viewWindow, (LPPOINT)&localpt);
DragData data(m_dragData.get(), IntPoint(localpt.x, localpt.y),
IntPoint(pt.x, pt.y), keyStateToDragOperation(grfKeyState));
*pdwEffect = dragOperationToDragCursor(m_page->dragController().dragUpdated(data));
} else
*pdwEffect = DROPEFFECT_NONE;
m_lastDropEffect = *pdwEffect;
return S_OK;
}
HRESULT WebView::DragLeave()
{
if (m_dropTargetHelper)
m_dropTargetHelper->DragLeave();
if (m_dragData) {
DragData data(m_dragData.get(), IntPoint(), IntPoint(), { });
m_page->dragController().dragExited(data);
m_dragData = 0;
}
return S_OK;
}
HRESULT WebView::Drop(IDataObject* pDataObject, DWORD grfKeyState, POINTL pt, DWORD* pdwEffect)
{
if (m_dropTargetHelper)
m_dropTargetHelper->Drop(pDataObject, (POINT*)&pt, *pdwEffect);
m_dragData = 0;
*pdwEffect = m_lastDropEffect;
POINTL localpt = pt;
::ScreenToClient(m_viewWindow, (LPPOINT)&localpt);
DragData data(pDataObject, IntPoint(localpt.x, localpt.y),
IntPoint(pt.x, pt.y), keyStateToDragOperation(grfKeyState));
m_page->dragController().performDragOperation(data);
return S_OK;
}
HRESULT WebView::canHandleRequest(_In_opt_ IWebURLRequest* request, _Out_ BOOL* result)
{
if (!result)
return E_POINTER;
*result = FALSE;
if (!request)
return S_OK;
COMPtr<WebMutableURLRequest> requestImpl;
HRESULT hr = request->QueryInterface(&requestImpl);
if (FAILED(hr))
return hr;
*result = !!canHandleRequest(requestImpl->resourceRequest());
return S_OK;
}
HRESULT WebView::standardUserAgentWithApplicationName(_In_ BSTR applicationName, _Deref_opt_out_ BSTR* groupName)
{
if (!groupName) {
ASSERT_NOT_REACHED();
return E_POINTER;
}
if (!applicationName) {
ASSERT_NOT_REACHED();
return E_POINTER;
}
*groupName = BString(standardUserAgentWithApplicationName(toString(applicationName))).release();
return S_OK;
}
HRESULT WebView::clearFocusNode()
{
if (m_page)
m_page->focusController().setFocusedElement(nullptr, m_page->focusController().focusedOrMainFrame());
return S_OK;
}
HRESULT WebView::setInitialFocus(BOOL forward)
{
if (m_page) {
Frame& frame = m_page->focusController().focusedOrMainFrame();
frame.document()->setFocusedElement(0);
m_page->focusController().setInitialFocus(forward ? FocusDirection::Forward : FocusDirection::Backward, 0);
}
return S_OK;
}
HRESULT WebView::setTabKeyCyclesThroughElements(BOOL cycles)
{
if (m_page)
m_page->setTabKeyCyclesThroughElements(!!cycles);
return S_OK;
}
HRESULT WebView::tabKeyCyclesThroughElements(_Out_ BOOL* result)
{
if (!result) {
ASSERT_NOT_REACHED();
return E_POINTER;
}
*result = m_page && m_page->tabKeyCyclesThroughElements() ? TRUE : FALSE;
return S_OK;
}
HRESULT WebView::setAllowSiteSpecificHacks(BOOL allow)
{
s_allowSiteSpecificHacks = !!allow;
// FIXME: This sets a global so it needs to call notifyPreferencesChanged
// on all WebView objects (not just itself).
return S_OK;
}
HRESULT WebView::addAdditionalPluginDirectory(_In_ BSTR)
{
return S_OK;
}
HRESULT WebView::loadBackForwardListFromOtherView(_In_opt_ IWebView* otherView)
{
if (!m_page)
return E_FAIL;
if (!otherView)
return S_OK;
// It turns out the right combination of behavior is done with the back/forward load
// type. (See behavior matrix at the top of WebFramePrivate.) So we copy all the items
// in the back forward list, and go to the current one.
BackForwardController& backForward = m_page->backForward();
ASSERT(!backForward.currentItem()); // destination list should be empty
COMPtr<WebView> otherWebView;
if (FAILED(otherView->QueryInterface(&otherWebView)))
return E_FAIL;
BackForwardController& otherBackForward = otherWebView->m_page->backForward();
if (!otherBackForward.currentItem())
return S_OK; // empty back forward list, bail
HistoryItem* newItemToGoTo = 0;
int lastItemIndex = otherBackForward.forwardCount();
for (int i = -otherBackForward.backCount(); i <= lastItemIndex; ++i) {
if (!i) {
// If this item is showing , save away its current scroll and form state,
// since that might have changed since loading and it is normally not saved
// until we leave that page.
otherWebView->m_page->mainFrame().loader().history().saveDocumentAndScrollState();
}
Ref<HistoryItem> newItem = otherBackForward.itemAtIndex(i)->copy();
if (!i)
newItemToGoTo = newItem.ptr();
backForward.client().addItem(WTFMove(newItem));
}
ASSERT(newItemToGoTo);
m_page->goToItem(*newItemToGoTo, FrameLoadType::IndexedBackForward, ShouldTreatAsContinuingLoad::No);
return S_OK;
}
HRESULT WebView::clearUndoRedoOperations()
{
if (!m_page)
return S_OK;
Frame& frame = m_page->focusController().focusedOrMainFrame();
frame.editor().clearUndoRedoOperations();
return S_OK;
}
HRESULT WebView::shouldClose(_Out_ BOOL* result)
{
if (!result) {
ASSERT_NOT_REACHED();
return E_POINTER;
}
*result = FALSE;
if (!m_page)
return S_OK;
*result = m_page->mainFrame().loader().shouldClose();
return S_OK;
}
HRESULT WebView::registerDragDrop()
{
ASSERT(::IsWindow(m_viewWindow));
return ::RegisterDragDrop(m_viewWindow, this);
}
HRESULT WebView::revokeDragDrop()
{
if (!m_viewWindow)
return S_OK;
return ::RevokeDragDrop(m_viewWindow);
}
HRESULT WebView::setProhibitsMainFrameScrolling(BOOL b)
{
if (!m_page)
return E_FAIL;
m_page->mainFrame().view()->setProhibitsScrolling(b);
return S_OK;
}
HRESULT WebView::setShouldApplyMacFontAscentHack(BOOL b)
{
WebCore::Font::setShouldApplyMacAscentHack(b);
return S_OK;
}
class IMMDict {
typedef HIMC (CALLBACK *getContextPtr)(HWND);
typedef BOOL (CALLBACK *releaseContextPtr)(HWND, HIMC);
typedef LONG (CALLBACK *getCompositionStringPtr)(HIMC, DWORD, LPVOID, DWORD);
typedef BOOL (CALLBACK *setCandidateWindowPtr)(HIMC, LPCANDIDATEFORM);
typedef BOOL (CALLBACK *setOpenStatusPtr)(HIMC, BOOL);
typedef BOOL (CALLBACK *notifyIMEPtr)(HIMC, DWORD, DWORD, DWORD);
typedef BOOL (CALLBACK *associateContextExPtr)(HWND, HIMC, DWORD);
public:
getContextPtr getContext;
releaseContextPtr releaseContext;
getCompositionStringPtr getCompositionString;
setCandidateWindowPtr setCandidateWindow;
setOpenStatusPtr setOpenStatus;
notifyIMEPtr notifyIME;
associateContextExPtr associateContextEx;
static const IMMDict& dict();
private:
IMMDict();
HMODULE m_instance;
};
const IMMDict& IMMDict::dict()
{
static IMMDict instance;
return instance;
}
IMMDict::IMMDict()
{
m_instance = ::LoadLibraryW(L"IMM32.DLL");
getContext = reinterpret_cast<getContextPtr>(::GetProcAddress(m_instance, "ImmGetContext"));
ASSERT(getContext);
releaseContext = reinterpret_cast<releaseContextPtr>(::GetProcAddress(m_instance, "ImmReleaseContext"));
ASSERT(releaseContext);
getCompositionString = reinterpret_cast<getCompositionStringPtr>(::GetProcAddress(m_instance, "ImmGetCompositionStringW"));
ASSERT(getCompositionString);
setCandidateWindow = reinterpret_cast<setCandidateWindowPtr>(::GetProcAddress(m_instance, "ImmSetCandidateWindow"));
ASSERT(setCandidateWindow);
setOpenStatus = reinterpret_cast<setOpenStatusPtr>(::GetProcAddress(m_instance, "ImmSetOpenStatus"));
ASSERT(setOpenStatus);
notifyIME = reinterpret_cast<notifyIMEPtr>(::GetProcAddress(m_instance, "ImmNotifyIME"));
ASSERT(notifyIME);
associateContextEx = reinterpret_cast<associateContextExPtr>(::GetProcAddress(m_instance, "ImmAssociateContextEx"));
ASSERT(associateContextEx);
}
HIMC WebView::getIMMContext()
{
HIMC context = IMMDict::dict().getContext(m_viewWindow);
return context;
}
void WebView::releaseIMMContext(HIMC hIMC)
{
if (!hIMC)
return;
IMMDict::dict().releaseContext(m_viewWindow, hIMC);
}
void WebView::prepareCandidateWindow(Frame* targetFrame, HIMC hInputContext)
{
IntRect caret;
if (auto range = targetFrame->selection().selection().toNormalizedRange())
caret = targetFrame->editor().firstRectForRange(*range);
caret = targetFrame->view()->contentsToWindow(caret);
caret.scale(deviceScaleFactor());
CANDIDATEFORM form;
form.dwIndex = 0;
form.dwStyle = CFS_EXCLUDE;
form.ptCurrentPos.x = caret.x();
form.ptCurrentPos.y = caret.y() + caret.height();
form.rcArea.top = caret.y();
form.rcArea.bottom = caret.maxY();
form.rcArea.left = caret.x();
form.rcArea.right = caret.maxX();
IMMDict::dict().setCandidateWindow(hInputContext, &form);
}
void WebView::resetIME(Frame* targetFrame)
{
if (targetFrame)
targetFrame->editor().cancelComposition();
if (HIMC hInputContext = getIMMContext()) {
IMMDict::dict().notifyIME(hInputContext, NI_COMPOSITIONSTR, CPS_CANCEL, 0);
releaseIMMContext(hInputContext);
}
}
void WebView::updateSelectionForIME()
{
Frame& targetFrame = m_page->focusController().focusedOrMainFrame();
if (targetFrame.editor().cancelCompositionIfSelectionIsInvalid())
resetIME(&targetFrame);
}
void WebView::setInputMethodState(bool enabled)
{
IMMDict::dict().associateContextEx(m_viewWindow, 0, enabled ? IACE_DEFAULT : 0);
}
void WebView::selectionChanged()
{
updateSelectionForIME();
}
bool WebView::onIMEStartComposition()
{
LOG(TextInput, "onIMEStartComposition");
m_inIMEComposition++;
Frame& targetFrame = m_page->focusController().focusedOrMainFrame();
HIMC hInputContext = getIMMContext();
prepareCandidateWindow(&targetFrame, hInputContext);
releaseIMMContext(hInputContext);
return true;
}
static bool getCompositionString(HIMC hInputContext, DWORD type, String& result)
{
int compositionLength = IMMDict::dict().getCompositionString(hInputContext, type, 0, 0);
if (compositionLength <= 0)
return false;
Vector<UChar> compositionBuffer(compositionLength / 2);
compositionLength = IMMDict::dict().getCompositionString(hInputContext, type, (LPVOID)compositionBuffer.data(), compositionLength);
result = String(compositionBuffer.data(), compositionLength / 2);
ASSERT(!compositionLength || compositionBuffer[0]);
ASSERT(!compositionLength || compositionBuffer[compositionLength / 2 - 1]);
return true;
}
static void compositionToUnderlines(const Vector<DWORD>& clauses, const Vector<BYTE>& attributes, Vector<CompositionUnderline>& underlines)
{
if (clauses.isEmpty()) {
underlines.clear();
return;
}
const size_t numBoundaries = clauses.size() - 1;
underlines.resize(numBoundaries);
for (unsigned i = 0; i < numBoundaries; i++) {
underlines[i].startOffset = clauses[i];
underlines[i].endOffset = clauses[i + 1];
BYTE attribute = attributes[clauses[i]];
underlines[i].thick = attribute == ATTR_TARGET_CONVERTED || attribute == ATTR_TARGET_NOTCONVERTED;
underlines[i].color = Color::black;
}
}
#if !LOG_DISABLED
#define APPEND_ARGUMENT_NAME(name) \
if (lparam & name) { \
if (needsComma) \
result.append(", "); \
result.append(#name); \
needsComma = true; \
}
static String imeCompositionArgumentNames(LPARAM lparam)
{
StringBuilder result;
bool needsComma = false;
APPEND_ARGUMENT_NAME(GCS_COMPATTR);
APPEND_ARGUMENT_NAME(GCS_COMPCLAUSE);
APPEND_ARGUMENT_NAME(GCS_COMPREADSTR);
APPEND_ARGUMENT_NAME(GCS_COMPREADATTR);
APPEND_ARGUMENT_NAME(GCS_COMPREADCLAUSE);
APPEND_ARGUMENT_NAME(GCS_COMPSTR);
APPEND_ARGUMENT_NAME(GCS_CURSORPOS);
APPEND_ARGUMENT_NAME(GCS_DELTASTART);
APPEND_ARGUMENT_NAME(GCS_RESULTCLAUSE);
APPEND_ARGUMENT_NAME(GCS_RESULTREADCLAUSE);
APPEND_ARGUMENT_NAME(GCS_RESULTREADSTR);
APPEND_ARGUMENT_NAME(GCS_RESULTSTR);
APPEND_ARGUMENT_NAME(CS_INSERTCHAR);
APPEND_ARGUMENT_NAME(CS_NOMOVECARET);
return result.toString();
}
static String imeNotificationName(WPARAM wparam)
{
switch (wparam) {
case IMN_CHANGECANDIDATE:
return "IMN_CHANGECANDIDATE";
case IMN_CLOSECANDIDATE:
return "IMN_CLOSECANDIDATE";
case IMN_CLOSESTATUSWINDOW:
return "IMN_CLOSESTATUSWINDOW";
case IMN_GUIDELINE:
return "IMN_GUIDELINE";
case IMN_OPENCANDIDATE:
return "IMN_OPENCANDIDATE";
case IMN_OPENSTATUSWINDOW:
return "IMN_OPENSTATUSWINDOW";
case IMN_SETCANDIDATEPOS:
return "IMN_SETCANDIDATEPOS";
case IMN_SETCOMPOSITIONFONT:
return "IMN_SETCOMPOSITIONFONT";
case IMN_SETCOMPOSITIONWINDOW:
return "IMN_SETCOMPOSITIONWINDOW";
case IMN_SETCONVERSIONMODE:
return "IMN_SETCONVERSIONMODE";
case IMN_SETOPENSTATUS:
return "IMN_SETOPENSTATUS";
case IMN_SETSENTENCEMODE:
return "IMN_SETSENTENCEMODE";
case IMN_SETSTATUSWINDOWPOS:
return "IMN_SETSTATUSWINDOWPOS";
default:
return "Unknown (" + String::number(wparam) + ")";
}
}
static String imeRequestName(WPARAM wparam)
{
switch (wparam) {
case IMR_CANDIDATEWINDOW:
return "IMR_CANDIDATEWINDOW";
case IMR_COMPOSITIONFONT:
return "IMR_COMPOSITIONFONT";
case IMR_COMPOSITIONWINDOW:
return "IMR_COMPOSITIONWINDOW";
case IMR_CONFIRMRECONVERTSTRING:
return "IMR_CONFIRMRECONVERTSTRING";
case IMR_DOCUMENTFEED:
return "IMR_DOCUMENTFEED";
case IMR_QUERYCHARPOSITION:
return "IMR_QUERYCHARPOSITION";
case IMR_RECONVERTSTRING:
return "IMR_RECONVERTSTRING";
default:
return "Unknown (" + String::number(wparam) + ")";
}
}
#endif
bool WebView::onIMEComposition(LPARAM lparam)
{
LOG(TextInput, "onIMEComposition %s", imeCompositionArgumentNames(lparam).latin1().data());
HIMC hInputContext = getIMMContext();
if (!hInputContext)
return true;
Frame& targetFrame = m_page->focusController().focusedOrMainFrame();
if (!targetFrame.editor().canEdit())
return true;
prepareCandidateWindow(&targetFrame, hInputContext);
if (lparam & GCS_RESULTSTR || !lparam) {
String compositionString;
if (!getCompositionString(hInputContext, GCS_RESULTSTR, compositionString) && lparam)
return true;
targetFrame.editor().confirmComposition(compositionString);
} else {
String compositionString;
if (!getCompositionString(hInputContext, GCS_COMPSTR, compositionString))
return true;
// Composition string attributes
int numAttributes = IMMDict::dict().getCompositionString(hInputContext, GCS_COMPATTR, 0, 0);
Vector<BYTE> attributes(numAttributes);
IMMDict::dict().getCompositionString(hInputContext, GCS_COMPATTR, attributes.data(), numAttributes);
// Get clauses
int numClauses = IMMDict::dict().getCompositionString(hInputContext, GCS_COMPCLAUSE, 0, 0);
Vector<DWORD> clauses(numClauses / sizeof(DWORD));
IMMDict::dict().getCompositionString(hInputContext, GCS_COMPCLAUSE, clauses.data(), numClauses);
Vector<CompositionUnderline> underlines;
compositionToUnderlines(clauses, attributes, underlines);
int cursorPosition = LOWORD(IMMDict::dict().getCompositionString(hInputContext, GCS_CURSORPOS, 0, 0));
targetFrame.editor().setComposition(compositionString, underlines, { }, cursorPosition, 0);
}
return true;
}
bool WebView::onIMEEndComposition()
{
LOG(TextInput, "onIMEEndComposition");
// If the composition hasn't been confirmed yet, it needs to be cancelled.
// This happens after deleting the last character from inline input hole.
Frame& targetFrame = m_page->focusController().focusedOrMainFrame();
if (targetFrame.editor().hasComposition())
targetFrame.editor().confirmComposition(String());
if (m_inIMEComposition)
m_inIMEComposition--;
return true;
}
bool WebView::onIMEChar(WPARAM wparam, LPARAM lparam)
{
UNUSED_PARAM(wparam);
UNUSED_PARAM(lparam);
LOG(TextInput, "onIMEChar U+%04X %08X", wparam, lparam);
return true;
}
bool WebView::onIMENotify(WPARAM wparam, LPARAM, LRESULT*)
{
UNUSED_PARAM(wparam);
LOG(TextInput, "onIMENotify %s", imeNotificationName(wparam).latin1().data());
return false;
}
LRESULT WebView::onIMERequestCharPosition(Frame* targetFrame, IMECHARPOSITION* charPos)
{
if (charPos->dwCharPos && !targetFrame->editor().hasComposition())
return 0;
IntRect caret;
std::optional<SimpleRange> range;
if (targetFrame->editor().hasComposition())
range = targetFrame->editor().compositionRange();
else
range = targetFrame->selection().selection().toNormalizedRange();
if (range) {
range->start.offset += charPos->dwCharPos;
caret = targetFrame->editor().firstRectForRange(*range);
}
caret = targetFrame->view()->contentsToWindow(caret);
caret.scale(deviceScaleFactor());
charPos->pt.x = caret.x();
charPos->pt.y = caret.y();
::ClientToScreen(m_viewWindow, &charPos->pt);
charPos->cLineHeight = caret.height();
::GetWindowRect(m_viewWindow, &charPos->rcDocument);
return true;
}
LRESULT WebView::onIMERequestReconvertString(Frame* targetFrame, RECONVERTSTRING* reconvertString)
{
auto selectedRange = targetFrame->selection().selection().toNormalizedRange();
String text;
if (selectedRange)
text = plainText(*selectedRange);
if (!reconvertString)
return sizeof(RECONVERTSTRING) + text.length() * sizeof(UChar);
unsigned totalSize = sizeof(RECONVERTSTRING) + text.length() * sizeof(UChar);
if (totalSize > reconvertString->dwSize)
return 0;
reconvertString->dwCompStrLen = text.length();
reconvertString->dwStrLen = text.length();
reconvertString->dwTargetStrLen = text.length();
reconvertString->dwStrOffset = sizeof(RECONVERTSTRING);
StringView(text).getCharactersWithUpconvert(reinterpret_cast<UChar*>(reconvertString + 1));
return totalSize;
}
LRESULT WebView::onIMERequest(WPARAM request, LPARAM data)
{
LOG(TextInput, "onIMERequest %s", imeRequestName(request).latin1().data());
Frame& targetFrame = m_page->focusController().focusedOrMainFrame();
if (!targetFrame.editor().canEdit())
return 0;
switch (request) {
case IMR_RECONVERTSTRING:
return onIMERequestReconvertString(&targetFrame, (RECONVERTSTRING*)data);
case IMR_QUERYCHARPOSITION:
return onIMERequestCharPosition(&targetFrame, (IMECHARPOSITION*)data);
}
return 0;
}
bool WebView::onIMESelect(WPARAM wparam, LPARAM lparam)
{
UNUSED_PARAM(wparam);
UNUSED_PARAM(lparam);
LOG(TextInput, "onIMESelect locale %ld %s", lparam, wparam ? "select" : "deselect");
return false;
}
bool WebView::onIMESetContext(WPARAM wparam, LPARAM)
{
LOG(TextInput, "onIMESetContext %s", wparam ? "active" : "inactive");
return false;
}
HRESULT WebView::inspector(_COM_Outptr_opt_ IWebInspector** inspector)
{
if (!inspector)
return E_POINTER;
*inspector = nullptr;
if (!m_webInspector)
m_webInspector.adoptRef(WebInspector::createInstance(this, m_inspectorClient));
return m_webInspector.copyRefTo(inspector);
}
HRESULT WebView::windowAncestryDidChange()
{
HWND newParent;
if (m_viewWindow)
newParent = findTopLevelParent(m_hostWindow);
else {
// There's no point in tracking active state changes of our parent window if we don't have
// a window ourselves.
newParent = nullptr;
}
if (newParent == m_topLevelParent)
return S_OK;
if (m_topLevelParent)
WindowMessageBroadcaster::removeListener(m_topLevelParent, this);
m_topLevelParent = newParent;
if (m_topLevelParent)
WindowMessageBroadcaster::addListener(m_topLevelParent, this);
if (m_page)
m_page->setDeviceScaleFactor(deviceScaleFactor());
updateActiveState();
return S_OK;
}
bool WebView::paintCompositedContentToHDC(HDC deviceContext)
{
if (!isAcceleratedCompositing() || usesLayeredWindow())
return false;
#if USE(CA)
m_layerTreeHost->flushPendingLayerChangesNow();
#elif USE(TEXTURE_MAPPER_GL)
m_acceleratedCompositingContext->flushAndRenderLayers();
#endif
// Flushing might have taken us out of compositing mode.
if (!isAcceleratedCompositing())
return false;
#if USE(CA)
m_layerTreeHost->paint(deviceContext);
#endif
return true;
}
HRESULT WebView::paintDocumentRectToContext(RECT rect, _In_ HDC deviceContext)
{
if (!deviceContext)
return E_POINTER;
if (!m_mainFrame)
return E_UNEXPECTED;
if (paintCompositedContentToHDC(deviceContext))
return S_OK;
return m_mainFrame->paintDocumentRectToContext(rect, deviceContext);
}
HRESULT WebView::paintScrollViewRectToContextAtPoint(RECT rect, POINT pt, _In_ HDC deviceContext)
{
if (!deviceContext)
return E_POINTER;
if (!m_mainFrame)
return E_UNEXPECTED;
if (paintCompositedContentToHDC(deviceContext))
return S_OK;
return m_mainFrame->paintScrollViewRectToContextAtPoint(rect, pt, deviceContext);
}
HRESULT WebView::reportException(_In_ JSContextRef context, _In_ JSValueRef exception)
{
if (!context || !exception)
return E_INVALIDARG;
JSC::JSGlobalObject* globalObject = toJS(context);
JSC::JSLockHolder lock(globalObject);
// Make sure the context has a DOMWindow global object, otherwise this context didn't originate from a WebView.
if (!globalObject->inherits<JSDOMWindow>(globalObject->vm()))
return E_FAIL;
WebCore::reportException(globalObject, toJS(globalObject, exception));
return S_OK;
}
HRESULT WebView::elementFromJS(_In_ JSContextRef context, _In_ JSValueRef nodeObject, _COM_Outptr_opt_ IDOMElement** element)
{
if (!element)
return E_POINTER;
*element = nullptr;
if (!context || !nodeObject)
return E_INVALIDARG;
JSC::JSGlobalObject* lexicalGlobalObject = toJS(context);
JSC::JSLockHolder lock(lexicalGlobalObject);
Element* elt = JSElement::toWrapped(lexicalGlobalObject->vm(), toJS(lexicalGlobalObject, nodeObject));
if (!elt)
return E_FAIL;
*element = DOMElement::createInstance(elt);
return S_OK;
}
HRESULT WebView::setCustomHTMLTokenizerTimeDelay(double timeDelay)
{
ASSERT_NOT_REACHED();
return E_FAIL;
}
HRESULT WebView::setCustomHTMLTokenizerChunkSize(int chunkSize)
{
ASSERT_NOT_REACHED();
return E_FAIL;
}
HRESULT WebView::backingStore(_Deref_opt_out_ HBITMAP* hBitmap)
{
if (!hBitmap)
return E_POINTER;
if (!m_backingStoreBitmap)
return E_FAIL;
*hBitmap = m_backingStoreBitmap->get();
return S_OK;
}
HRESULT WebView::setTransparent(BOOL transparent)
{
if (m_transparent == !!transparent)
return S_OK;
m_transparent = transparent;
if (!m_mainFrame)
return E_UNEXPECTED;
m_mainFrame->updateBackground();
return S_OK;
}
HRESULT WebView::transparent(_Out_ BOOL* transparent)
{
if (!transparent)
return E_POINTER;
*transparent = this->transparent() ? TRUE : FALSE;
return S_OK;
}
static bool setWindowStyle(HWND window, int index, LONG_PTR newValue)
{
// According to MSDN, if the last value of the flag we are setting was zero,
// then SetWindowLongPtr returns zero, even though the call succeeded. So,
// we have to clear the error state, then check the last error after
// setting the value to see if it actually was a failure.
::SetLastError(0);
return ::SetWindowLongPtr(window, index, newValue) || !::GetLastError();
}
HRESULT WebView::setUsesLayeredWindow(BOOL usesLayeredWindow)
{
if (m_usesLayeredWindow == !!usesLayeredWindow)
return S_OK;
if (!m_viewWindow)
return E_FAIL;
RECT rect;
::GetWindowRect(m_viewWindow, &rect);
LONG_PTR origExStyle = ::GetWindowLongPtr(m_viewWindow, GWL_EXSTYLE);
LONG_PTR origStyle = ::GetWindowLongPtr(m_viewWindow, GWL_STYLE);
// The logic here has to account for the way SetParent works.
// According to MSDN, to go from a child window to a popup window,
// you must clear the child bit after setting the parent to 0.
// On the other hand, to go from a popup window to a child, you
// must clear the popup state before setting the parent.
if (usesLayeredWindow) {
LONG_PTR newExStyle = origExStyle | WS_EX_LAYERED;
LONG_PTR newStyle = (origStyle & ~(WS_CHILD | WS_CLIPSIBLINGS | WS_CLIPCHILDREN)) | WS_POPUP;
HWND origParent = ::SetParent(m_viewWindow, 0);
if (!setWindowStyle(m_viewWindow, GWL_STYLE, newStyle)) {
::SetParent(m_viewWindow, origParent);
return E_FAIL;
}
if (!setWindowStyle(m_viewWindow, GWL_EXSTYLE, newExStyle)) {
setWindowStyle(m_viewWindow, GWL_STYLE, origStyle);
::SetParent(m_viewWindow, origParent);
return E_FAIL;
}
} else {
LONG_PTR newExStyle = origExStyle & ~WS_EX_LAYERED;
LONG_PTR newStyle = (origStyle & ~WS_POPUP) | WS_CHILD | WS_CLIPSIBLINGS | WS_CLIPCHILDREN;
if (!setWindowStyle(m_viewWindow, GWL_EXSTYLE, newExStyle))
return E_FAIL;
if (!setWindowStyle(m_viewWindow, GWL_STYLE, newStyle)) {
setWindowStyle(m_viewWindow, GWL_EXSTYLE, origExStyle);
return E_FAIL;
}
::SetParent(m_viewWindow, m_hostWindow ? m_hostWindow : HWND_MESSAGE);
}
// MSDN indicates that SetWindowLongPtr doesn't take effect for some settings until a
// SetWindowPos is called.
::SetWindowPos(m_viewWindow, 0, rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top,
SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER | SWP_FRAMECHANGED);
m_usesLayeredWindow = usesLayeredWindow;
return S_OK;
}
HRESULT WebView::usesLayeredWindow(_Out_ BOOL* usesLayeredWindow)
{
if (!usesLayeredWindow)
return E_POINTER;
*usesLayeredWindow = this->usesLayeredWindow() ? TRUE : FALSE;
return S_OK;
}
HRESULT WebView::setCookieEnabled(BOOL enable)
{
if (!m_page)
return E_FAIL;
m_page->settings().setCookieEnabled(enable);
return S_OK;
}
HRESULT WebView::cookieEnabled(_Out_ BOOL* enabled)
{
if (!enabled)
return E_POINTER;
if (!m_page)
return E_FAIL;
*enabled = m_page->settings().cookieEnabled();
return S_OK;
}
HRESULT WebView::setMediaVolume(float volume)
{
if (!m_page)
return E_FAIL;
m_page->setMediaVolume(volume);
return S_OK;
}
HRESULT WebView::mediaVolume(_Out_ float* volume)
{
if (!volume)
return E_POINTER;
if (!m_page)
return E_FAIL;
*volume = m_page->mediaVolume();
return S_OK;
}
HRESULT WebView::setDefersCallbacks(BOOL defersCallbacks)
{
if (!m_page)
return E_FAIL;
m_page->setDefersLoading(defersCallbacks);
return S_OK;
}
HRESULT WebView::defersCallbacks(_Out_ BOOL* defersCallbacks)
{
if (!defersCallbacks)
return E_POINTER;
if (!m_page)
return E_FAIL;
*defersCallbacks = m_page->defersLoading();
return S_OK;
}
HRESULT WebView::globalHistoryItem(_COM_Outptr_opt_ IWebHistoryItem** item)
{
if (!item)
return E_POINTER;
*item = nullptr;
return S_OK;
}
HRESULT WebView::setAlwaysUsesComplexTextCodePath(BOOL complex)
{
WebCoreSetAlwaysUsesComplexTextCodePath(complex);
return S_OK;
}
HRESULT WebView::alwaysUsesComplexTextCodePath(_Out_ BOOL* complex)
{
if (!complex)
return E_POINTER;
*complex = WebCoreAlwaysUsesComplexTextCodePath();
return S_OK;
}
HRESULT WebView::registerEmbeddedViewMIMEType(_In_ BSTR mimeType)
{
if (!mimeType)
return E_POINTER;
if (!m_embeddedViewMIMETypes)
m_embeddedViewMIMETypes = makeUnique<HashSet<String>>();
m_embeddedViewMIMETypes->add(toString(mimeType));
return S_OK;
}
bool WebView::shouldUseEmbeddedView(const WTF::String& mimeType) const
{
if (!m_embeddedViewMIMETypes)
return false;
if (mimeType.isEmpty())
return false;
return m_embeddedViewMIMETypes->contains(mimeType);
}
bool WebView::onGetObject(WPARAM wParam, LPARAM lParam, LRESULT& lResult) const
{
lResult = 0;
if (static_cast<LONG>(lParam) != OBJID_CLIENT)
return false;
AXObjectCache::enableAccessibility();
// Get the accessible object for the top-level frame.
WebFrame* mainFrameImpl = topLevelFrame();
if (!mainFrameImpl)
return false;
COMPtr<IAccessible> accessible = mainFrameImpl->accessible();
if (!accessible)
return false;
if (!accessibilityLib) {
if (!(accessibilityLib = ::LoadLibraryW(L"oleacc.dll")))
return false;
}
static LPFNLRESULTFROMOBJECT procPtr = reinterpret_cast<LPFNLRESULTFROMOBJECT>(::GetProcAddress(accessibilityLib, "LresultFromObject"));
if (!procPtr)
return false;
// LresultFromObject returns a reference to the accessible object, stored
// in an LRESULT. If this call is not successful, Windows will handle the
// request through DefWindowProc.
return SUCCEEDED(lResult = procPtr(__uuidof(IAccessible), wParam, accessible.get()));
}
STDMETHODIMP WebView::AccessibleObjectFromWindow(HWND hwnd, DWORD objectID, REFIID riid, void** ppObject)
{
ASSERT(accessibilityLib);
static LPFNACCESSIBLEOBJECTFROMWINDOW procPtr = reinterpret_cast<LPFNACCESSIBLEOBJECTFROMWINDOW>(::GetProcAddress(accessibilityLib, "AccessibleObjectFromWindow"));
if (!procPtr)
return E_FAIL;
return procPtr(hwnd, objectID, riid, ppObject);
}
HRESULT WebView::setMemoryCacheDelegateCallsEnabled(BOOL enabled)
{
if (!m_page)
return E_FAIL;
m_page->setMemoryCacheClientCallsEnabled(enabled);
return S_OK;
}
HRESULT WebView::setJavaScriptURLsAreAllowed(BOOL)
{
return E_NOTIMPL;
}
HRESULT WebView::setCanStartPlugins(BOOL canStartPlugins)
{
if (!m_page)
return E_FAIL;
m_page->setCanStartMedia(canStartPlugins);
return S_OK;
}
void WebView::enterVideoFullscreenForVideoElement(HTMLVideoElement& videoElement)
{
#if ENABLE(VIDEO) && !USE(GSTREAMER) && !USE(MEDIA_FOUNDATION)
if (m_fullScreenVideoController) {
if (m_fullScreenVideoController->videoElement() == &videoElement) {
// The backend may just warn us that the underlaying plaftormMovie()
// has changed. Just force an update.
m_fullScreenVideoController->setVideoElement(&videoElement);
return; // No more to do.
}
// First exit Fullscreen for the old videoElement.
m_fullScreenVideoController->videoElement()->exitFullscreen();
// This previous call has to trigger exitFullscreen,
// which has to clear m_fullScreenVideoController.
ASSERT(!m_fullScreenVideoController);
}
m_fullScreenVideoController = makeUnique<FullscreenVideoController>();
m_fullScreenVideoController->setVideoElement(&videoElement);
m_fullScreenVideoController->enterFullscreen();
#endif
}
void WebView::exitVideoFullscreenForVideoElement(WebCore::HTMLVideoElement&)
{
#if ENABLE(VIDEO) && !USE(GSTREAMER) && !USE(MEDIA_FOUNDATION)
if (!m_fullScreenVideoController)
return;
m_fullScreenVideoController->exitFullscreen();
m_fullScreenVideoController = nullptr;
#endif
}
HRESULT WebView::addUserScriptToGroup(_In_ BSTR groupName, _In_opt_ IWebScriptWorld* iWorld, _In_ BSTR source, _In_ BSTR url,
unsigned allowListCount, __inout_ecount_full(allowListCount) BSTR* allowList,
unsigned blockListCount, __inout_ecount_full(blockListCount) BSTR* blocklist,
WebUserScriptInjectionTime injectionTime)
{
return addUserScriptToGroup(groupName, iWorld, source, url, allowListCount, allowList, blockListCount, blocklist, injectionTime, WebInjectInAllFrames);
}
static Vector<String> toStringVector(BSTR* entries, unsigned count)
{
Vector<String> entriesVector;
if (!entries || !count)
return entriesVector;
for (unsigned i = 0; i < count; ++i)
entriesVector.append(toString(entries[i]));
return entriesVector;
}
HRESULT WebView::addUserScriptToGroup(_In_ BSTR groupName, _In_opt_ IWebScriptWorld* iWorld, _In_ BSTR source, _In_ BSTR url,
unsigned allowListCount, __inout_ecount_full(allowListCount) BSTR* allowList,
unsigned blockListCount, __inout_ecount_full(blockListCount) BSTR* blocklist,
WebUserScriptInjectionTime injectionTime, WebUserContentInjectedFrames injectedFrames)
{
String group = toString(groupName);
if (group.isEmpty())
return E_FAIL;
auto viewGroup = WebViewGroup::getOrCreate(group, String());
if (!iWorld)
return E_POINTER;
WebScriptWorld* world = reinterpret_cast<WebScriptWorld*>(iWorld);
auto userScript = makeUnique<UserScript>(source, toURL(url), toStringVector(allowList, allowListCount),
toStringVector(blocklist, blockListCount), injectionTime == WebInjectAtDocumentStart ? UserScriptInjectionTime::DocumentStart : UserScriptInjectionTime::DocumentEnd,
injectedFrames == WebInjectInAllFrames ? UserContentInjectedFrames::InjectInAllFrames : UserContentInjectedFrames::InjectInTopFrameOnly, WaitForNotificationBeforeInjecting::No);
viewGroup->userContentController().addUserScript(world->world(), WTFMove(userScript));
return S_OK;
}
HRESULT WebView::addUserStyleSheetToGroup(_In_ BSTR groupName, _In_opt_ IWebScriptWorld* iWorld, _In_ BSTR source, _In_ BSTR url,
unsigned allowListCount, __inout_ecount_full(allowListCount) BSTR* allowList, unsigned blockListCount, __inout_ecount_full(blockListCount) BSTR* blocklist)
{
return addUserStyleSheetToGroup(groupName, iWorld, source, url, allowListCount, allowList, blockListCount, blocklist, WebInjectInAllFrames);
}
HRESULT WebView::addUserStyleSheetToGroup(_In_ BSTR groupName, _In_opt_ IWebScriptWorld* iWorld, _In_ BSTR source, _In_ BSTR url,
unsigned allowListCount, __inout_ecount_full(allowListCount) BSTR* allowList, unsigned blockListCount, __inout_ecount_full(blockListCount) BSTR* blocklist,
WebUserContentInjectedFrames injectedFrames)
{
String group = toString(groupName);
if (group.isEmpty())
return E_FAIL;
auto viewGroup = WebViewGroup::getOrCreate(group, String());
if (!iWorld)
return E_POINTER;
WebScriptWorld* world = reinterpret_cast<WebScriptWorld*>(iWorld);
auto styleSheet = makeUnique<UserStyleSheet>(source, toURL(url), toStringVector(allowList, allowListCount), toStringVector(blocklist, blockListCount),
injectedFrames == WebInjectInAllFrames ? UserContentInjectedFrames::InjectInAllFrames : UserContentInjectedFrames::InjectInTopFrameOnly, UserStyleUserLevel);
viewGroup->userContentController().addUserStyleSheet(world->world(), WTFMove(styleSheet), InjectInExistingDocuments);
return S_OK;
}
HRESULT WebView::removeUserScriptFromGroup(_In_ BSTR groupName, _In_opt_ IWebScriptWorld* iWorld, _In_ BSTR url)
{
String group = toString(groupName);
if (group.isEmpty())
return E_FAIL;
auto viewGroup = WebViewGroup::get(group);
if (!viewGroup)
return S_OK;
if (!iWorld)
return E_POINTER;
WebScriptWorld* world = reinterpret_cast<WebScriptWorld*>(iWorld);
viewGroup->userContentController().removeUserScript(world->world(), toURL(url));
return S_OK;
}
HRESULT WebView::removeUserStyleSheetFromGroup(_In_ BSTR groupName, _In_opt_ IWebScriptWorld* iWorld, _In_ BSTR url)
{
String group = toString(groupName);
if (group.isEmpty())
return E_FAIL;
auto viewGroup = WebViewGroup::get(group);
if (!viewGroup)
return S_OK;
if (!iWorld)
return E_POINTER;
WebScriptWorld* world = reinterpret_cast<WebScriptWorld*>(iWorld);
viewGroup->userContentController().removeUserStyleSheet(world->world(), toURL(url));
return S_OK;
}
HRESULT WebView::removeUserScriptsFromGroup(_In_ BSTR groupName, _In_opt_ IWebScriptWorld* iWorld)
{
String group = toString(groupName);
if (group.isEmpty())
return E_FAIL;
auto viewGroup = WebViewGroup::get(group);
if (!viewGroup)
return S_OK;
if (!iWorld)
return E_POINTER;
WebScriptWorld* world = reinterpret_cast<WebScriptWorld*>(iWorld);
viewGroup->userContentController().removeUserScripts(world->world());
return S_OK;
}
HRESULT WebView::removeUserStyleSheetsFromGroup(_In_ BSTR groupName, _In_opt_ IWebScriptWorld* iWorld)
{
String group = toString(groupName);
if (group.isEmpty())
return E_FAIL;
auto viewGroup = WebViewGroup::get(group);
if (!viewGroup)
return S_OK;
if (!iWorld)
return E_POINTER;
WebScriptWorld* world = reinterpret_cast<WebScriptWorld*>(iWorld);
viewGroup->userContentController().removeUserStyleSheets(world->world());
return S_OK;
}
HRESULT WebView::removeAllUserContentFromGroup(_In_ BSTR groupName)
{
String group = toString(groupName);
if (group.isEmpty())
return E_FAIL;
auto viewGroup = WebViewGroup::get(group);
if (!viewGroup)
return S_OK;
viewGroup->userContentController().removeAllUserContent();
return S_OK;
}
HRESULT WebView::invalidateBackingStore(_In_ const RECT* rect)
{
if (!IsWindow(m_viewWindow))
return S_OK;
RECT clientRect;
if (!GetClientRect(m_viewWindow, &clientRect))
return E_FAIL;
RECT rectToInvalidate;
if (!rect)
rectToInvalidate = clientRect;
else if (!IntersectRect(&rectToInvalidate, &clientRect, rect))
return S_OK;
repaint(rectToInvalidate, true);
return S_OK;
}
HRESULT WebView::addOriginAccessAllowListEntry(_In_ BSTR sourceOrigin, _In_ BSTR destinationProtocol, _In_ BSTR destinationHost, BOOL allowDestinationSubdomains)
{
SecurityPolicy::addOriginAccessAllowlistEntry(SecurityOrigin::createFromString(toString(sourceOrigin)).get(), toString(destinationProtocol), toString(destinationHost), allowDestinationSubdomains);
return S_OK;
}
HRESULT WebView::removeOriginAccessAllowListEntry(_In_ BSTR sourceOrigin, _In_ BSTR destinationProtocol, _In_ BSTR destinationHost, BOOL allowDestinationSubdomains)
{
SecurityPolicy::removeOriginAccessAllowlistEntry(SecurityOrigin::createFromString(toString(sourceOrigin)).get(), toString(destinationProtocol), toString(destinationHost), allowDestinationSubdomains);
return S_OK;
}
HRESULT WebView::resetOriginAccessAllowLists()
{
SecurityPolicy::resetOriginAccessAllowlists();
return S_OK;
}
HRESULT WebView::setHistoryDelegate(_In_ IWebHistoryDelegate* historyDelegate)
{
m_historyDelegate = historyDelegate;
return S_OK;
}
HRESULT WebView::historyDelegate(_COM_Outptr_opt_ IWebHistoryDelegate** historyDelegate)
{
if (!historyDelegate)
return E_POINTER;
*historyDelegate = nullptr;
return m_historyDelegate.copyRefTo(historyDelegate);
}
HRESULT WebView::addVisitedLinks(__inout_ecount_full(visitedURLCount) BSTR* visitedURLs, unsigned visitedURLCount)
{
auto& visitedLinkStore = m_webViewGroup->visitedLinkStore();
for (unsigned i = 0; i < visitedURLCount; ++i) {
BSTR url = visitedURLs[i];
unsigned length = SysStringLen(url);
visitedLinkStore.addVisitedLink(String(url, length));
}
return S_OK;
}
void WebView::downloadURL(const URL& url)
{
if (!m_downloadDelegate)
return;
// It's the delegate's job to ref the WebDownload to keep it alive - otherwise it will be
// destroyed when this function returns.
#if USE(CURL)
// For Curl we need to set the user agent, otherwise the download request gets the default Curl user agent string.
ResourceRequest request(url);
request.setHTTPUserAgent(userAgentForKURL(url));
COMPtr<WebDownload> download(AdoptCOM, WebDownload::createInstance(0, request, ResourceResponse(), m_downloadDelegate.get()));
#else
COMPtr<WebDownload> download(AdoptCOM, WebDownload::createInstance(url, m_downloadDelegate.get()));
#endif
download->start();
}
void WebView::setRootChildLayer(GraphicsLayer* layer)
{
setAcceleratedCompositing(layer ? true : false);
#if USE(CA)
if (!m_backingLayer)
return;
if (layer)
m_backingLayer->addChild(*layer);
else
m_backingLayer->removeAllChildren();
#elif USE(TEXTURE_MAPPER_GL)
if (!m_acceleratedCompositingContext)
return;
m_acceleratedCompositingContext->setRootCompositingLayer(layer);
#endif
}
void WebView::flushPendingGraphicsLayerChangesSoon()
{
#if USE(CA)
if (!m_layerTreeHost) {
m_page->isolatedUpdateRendering();
return;
}
m_layerTreeHost->flushPendingGraphicsLayerChangesSoon();
#elif USE(TEXTURE_MAPPER_GL)
if (!isAcceleratedCompositing()) {
m_page->isolatedUpdateRendering();
return;
}
if (!m_acceleratedCompositingContext)
return;
m_acceleratedCompositingContext->flushPendingLayerChangesSoon();
#endif
}
void WebView::setAcceleratedCompositing(bool accelerated)
{
if (m_isAcceleratedCompositing == accelerated)
return;
#if USE(CA)
if (!CACFLayerTreeHost::acceleratedCompositingAvailable())
return;
if (accelerated) {
m_layerTreeHost = CACFLayerTreeHost::create();
if (m_layerTreeHost) {
m_isAcceleratedCompositing = true;
m_layerTreeHost->setShouldInvertColors(m_shouldInvertColors);
m_layerTreeHost->setClient(this);
ASSERT(m_viewWindow);
m_layerTreeHost->setWindow(m_viewWindow);
m_layerTreeHost->setPage(page());
m_layerTreeHost->setScaleFactor(deviceScaleFactor());
// FIXME: We could perhaps get better performance by never allowing this layer to
// become tiled (or choosing a higher-than-normal tiling threshold).
// <http://webkit.org/b/52603>
m_backingLayer = GraphicsLayer::create(0, *this);
m_backingLayer->setDrawsContent(true);
m_backingLayer->setContentsOpaque(true);
RECT clientRect;
::GetClientRect(m_viewWindow, &clientRect);
m_backingLayer->setSize(IntRect(clientRect).size());
m_backingLayer->setNeedsDisplay();
m_layerTreeHost->setRootChildLayer(PlatformCALayer::platformCALayerForLayer(m_backingLayer->platformLayer()).get());
#if !HAVE(CACFLAYER_SETCONTENTSSCALE)
TransformationMatrix m;
m.scale(deviceScaleFactor());
m_backingLayer->setAnchorPoint(FloatPoint3D());
m_backingLayer->setTransform(m);
#endif
// We aren't going to be using our backing store while we're in accelerated compositing
// mode. But don't delete it immediately, in case we switch out of accelerated
// compositing mode soon (e.g., if we're only compositing for a :hover animation).
deleteBackingStoreSoon();
}
} else {
ASSERT(m_layerTreeHost);
m_layerTreeHost->setClient(0);
m_layerTreeHost->setWindow(0);
m_layerTreeHost = nullptr;
m_backingLayer = nullptr;
m_isAcceleratedCompositing = false;
}
#elif USE(TEXTURE_MAPPER_GL)
if (accelerated && !m_acceleratedCompositingContext)
m_acceleratedCompositingContext = makeUnique<AcceleratedCompositingContext>(*this);
m_isAcceleratedCompositing = accelerated;
#endif
}
#if PLATFORM(WIN) && USE(AVFOUNDATION)
WebCore::GraphicsDeviceAdapter* WebView::graphicsDeviceAdapter() const
{
if (!m_layerTreeHost)
return 0;
return m_layerTreeHost->graphicsDeviceAdapter();
}
#endif
HRESULT WebView::unused1()
{
ASSERT_NOT_REACHED();
return E_NOTIMPL;
}
HRESULT WebView::unused2()
{
ASSERT_NOT_REACHED();
return E_NOTIMPL;
}
HRESULT WebView::unused3()
{
ASSERT_NOT_REACHED();
return E_NOTIMPL;
}
HRESULT WebView::unused4()
{
ASSERT_NOT_REACHED();
return E_NOTIMPL;
}
HRESULT WebView::unused5()
{
ASSERT_NOT_REACHED();
// The following line works around a linker issue in MSVC. unused5 should never be called,
// and this code does nothing more than force the symbol to be included in WebKit dll.
(void)WebCore::PathUtilities::pathWithShrinkWrappedRects(Vector<FloatRect>(), 0);
return E_NOTIMPL;
}
HRESULT WebView::setGeolocationProvider(_In_opt_ IWebGeolocationProvider* locationProvider)
{
m_geolocationProvider = locationProvider;
return S_OK;
}
HRESULT WebView::geolocationProvider(_COM_Outptr_opt_ IWebGeolocationProvider** locationProvider)
{
if (!locationProvider)
return E_POINTER;
*locationProvider = nullptr;
if (!m_geolocationProvider)
return E_FAIL;
return m_geolocationProvider.copyRefTo(locationProvider);
}
HRESULT WebView::geolocationDidChangePosition(_In_opt_ IWebGeolocationPosition* position)
{
if (!m_page)
return E_FAIL;
GeolocationController::from(m_page)->positionChanged(core(position));
return S_OK;
}
HRESULT WebView::geolocationDidFailWithError(_In_opt_ IWebError* error)
{
if (!m_page)
return E_FAIL;
if (!error)
return E_POINTER;
BString description;
if (FAILED(error->localizedDescription(&description)))
return E_FAIL;
auto geolocationError = GeolocationError::create(GeolocationError::PositionUnavailable, toString(description));
GeolocationController::from(m_page)->errorOccurred(geolocationError.get());
return S_OK;
}
HRESULT WebView::setDomainRelaxationForbiddenForURLScheme(BOOL forbidden, _In_ BSTR scheme)
{
LegacySchemeRegistry::setDomainRelaxationForbiddenForURLScheme(forbidden, toString(scheme));
return S_OK;
}
HRESULT WebView::registerURLSchemeAsSecure(_In_ BSTR scheme)
{
LegacySchemeRegistry::registerURLSchemeAsSecure(toString(scheme));
return S_OK;
}
HRESULT WebView::registerURLSchemeAsAllowingLocalStorageAccessInPrivateBrowsing(_In_ BSTR scheme)
{
return S_OK;
}
HRESULT WebView::registerURLSchemeAsAllowingDatabaseAccessInPrivateBrowsing(_In_ BSTR scheme)
{
LegacySchemeRegistry::registerURLSchemeAsAllowingDatabaseAccessInPrivateBrowsing(toString(scheme));
return S_OK;
}
HRESULT WebView::nextDisplayIsSynchronous()
{
m_nextDisplayIsSynchronous = true;
return S_OK;
}
void WebView::notifyAnimationStarted(const GraphicsLayer*, const String&, MonotonicTime)
{
// We never set any animations on our backing layer.
ASSERT_NOT_REACHED();
}
void WebView::notifyFlushRequired(const GraphicsLayer*)
{
flushPendingGraphicsLayerChangesSoon();
}
void WebView::paintContents(const GraphicsLayer*, GraphicsContext& context, const FloatRect& inClipPixels, GraphicsLayerPaintBehavior)
{
Frame* frame = core(m_mainFrame);
if (!frame)
return;
float scaleFactor = deviceScaleFactor();
float inverseScaleFactor = 1.0f / scaleFactor;
FloatRect logicalClip = inClipPixels;
logicalClip.scale(inverseScaleFactor);
context.save();
context.scale(FloatSize(scaleFactor, scaleFactor));
context.clip(logicalClip);
frame->view()->paint(context, enclosingIntRect(logicalClip));
context.restore();
}
#if USE(CA)
void WebView::flushPendingGraphicsLayerChanges()
{
Frame* coreFrame = core(m_mainFrame);
if (!coreFrame)
return;
FrameView* view = coreFrame->view();
if (!view)
return;
if (!isAcceleratedCompositing())
return;
m_page->isolatedUpdateRendering();
// Updating layout might have taken us out of compositing mode.
if (m_backingLayer)
m_backingLayer->flushCompositingStateForThisLayerOnly();
view->flushCompositingStateIncludingSubframes();
}
#endif
class EnumTextMatches final : public IEnumTextMatches
{
long m_ref;
UINT m_index;
Vector<IntRect> m_rects;
public:
EnumTextMatches(Vector<IntRect>* rects)
: m_ref(1)
, m_index(0)
{
m_rects = *rects;
}
virtual HRESULT STDMETHODCALLTYPE QueryInterface(_In_ REFIID riid, void** ppv)
{
if (IsEqualGUID(riid, IID_IUnknown) || IsEqualGUID(riid, IID_IEnumTextMatches)) {
*ppv = this;
AddRef();
}
return *ppv?S_OK:E_NOINTERFACE;
}
virtual ULONG STDMETHODCALLTYPE AddRef()
{
return m_ref++;
}
virtual ULONG STDMETHODCALLTYPE Release()
{
if (m_ref == 1) {
delete this;
return 0;
}
else
return m_ref--;
}
virtual HRESULT STDMETHODCALLTYPE Next(ULONG, RECT* rect, ULONG* pceltFetched)
{
if (m_index < m_rects.size()) {
if (pceltFetched)
*pceltFetched = 1;
*rect = m_rects[m_index];
m_index++;
return S_OK;
}
if (pceltFetched)
*pceltFetched = 0;
return S_FALSE;
}
virtual HRESULT STDMETHODCALLTYPE Skip(ULONG celt)
{
m_index += celt;
return S_OK;
}
virtual HRESULT STDMETHODCALLTYPE Reset(void)
{
m_index = 0;
return S_OK;
}
virtual HRESULT STDMETHODCALLTYPE Clone(_COM_Outptr_opt_ IEnumTextMatches** matches)
{
if (!matches)
return E_POINTER;
*matches = nullptr;
return E_NOTIMPL;
}
};
HRESULT createMatchEnumerator(Vector<IntRect>* rects, IEnumTextMatches** matches)
{
*matches = new EnumTextMatches(rects);
return (*matches)?S_OK:E_OUTOFMEMORY;
}
Page* core(IWebView* iWebView)
{
Page* page = 0;
COMPtr<WebView> webView;
if (SUCCEEDED(iWebView->QueryInterface(&webView)) && webView)
page = webView->page();
return page;
}
HRESULT WebView::defaultMinimumTimerInterval(_Out_ double* interval)
{
if (!interval)
return E_POINTER;
*interval = DOMTimer::defaultMinimumInterval().seconds();
return S_OK;
}
HRESULT WebView::setMinimumTimerInterval(double interval)
{
if (!m_page)
return E_FAIL;
page()->settings().setMinimumDOMTimerInterval(Seconds { interval });
return S_OK;
}
HRESULT WebView::httpPipeliningEnabled(_Out_ BOOL* enabled)
{
if (!enabled)
return E_POINTER;
*enabled = ResourceRequest::httpPipeliningEnabled();
return S_OK;
}
HRESULT WebView::setHTTPPipeliningEnabled(BOOL enabled)
{
ResourceRequest::setHTTPPipeliningEnabled(enabled);
return S_OK;
}
#if ENABLE(FULLSCREEN_API)
bool WebView::supportsFullScreenForElement(const WebCore::Element*, bool withKeyboard) const
{
if (withKeyboard)
return false;
BOOL enabled = FALSE;
if (!m_preferences || FAILED(m_preferences->isFullScreenEnabled(&enabled)))
return false;
return enabled;
}
bool WebView::isFullScreen() const
{
return m_fullscreenController && m_fullscreenController->isFullScreen();
}
FullScreenController* WebView::fullScreenController()
{
if (!m_fullscreenController)
m_fullscreenController = std::unique_ptr<FullScreenController>(new FullScreenController(this));
return m_fullscreenController.get();
}
void WebView::setFullScreenElement(RefPtr<Element>&& element)
{
m_fullScreenElement = WTFMove(element);
}
HWND WebView::fullScreenClientWindow() const
{
return m_viewWindow;
}
HWND WebView::fullScreenClientParentWindow() const
{
return m_hostWindow;
}
void WebView::fullScreenClientSetParentWindow(HWND hostWindow)
{
setHostWindow(hostWindow);
}
void WebView::fullScreenClientWillEnterFullScreen()
{
ASSERT(m_fullScreenElement);
m_fullScreenElement->document().fullscreenManager().willEnterFullscreen(*m_fullScreenElement);
}
void WebView::fullScreenClientDidEnterFullScreen()
{
ASSERT(m_fullScreenElement);
m_fullScreenElement->document().fullscreenManager().didEnterFullscreen();
}
void WebView::fullScreenClientWillExitFullScreen()
{
ASSERT(m_fullScreenElement);
m_fullScreenElement->document().fullscreenManager().cancelFullscreen();
}
void WebView::fullScreenClientDidExitFullScreen()
{
ASSERT(m_fullScreenElement);
m_fullScreenElement->document().fullscreenManager().didExitFullscreen();
m_fullScreenElement = nullptr;
}
void WebView::fullScreenClientForceRepaint()
{
ASSERT(m_fullscreenController);
RECT windowRect { };
frameRect(&windowRect);
repaint(windowRect, true /*contentChanged*/, true /*immediate*/, false /*contentOnly*/);
m_fullscreenController->repaintCompleted();
}
void WebView::fullScreenClientSaveScrollPosition()
{
if (Frame* coreFrame = core(m_mainFrame))
if (FrameView* view = coreFrame->view())
m_scrollPosition = view->scrollPosition();
}
void WebView::fullScreenClientRestoreScrollPosition()
{
if (Frame* coreFrame = core(m_mainFrame))
if (FrameView* view = coreFrame->view())
view->setScrollPosition(m_scrollPosition);
}
#endif
// Used by TextInputController in DumpRenderTree
HRESULT WebView::setCompositionForTesting(_In_ BSTR composition, UINT from, UINT length)
{
if (!m_page)
return E_FAIL;
Frame& frame = m_page->focusController().focusedOrMainFrame();
if (!frame.editor().canEdit())
return E_FAIL;
String compositionStr = toString(composition);
Vector<CompositionUnderline> underlines;
underlines.append(CompositionUnderline(0, compositionStr.length(), CompositionUnderlineColor::TextColor, Color(Color::black), false));
frame.editor().setComposition(compositionStr, underlines, { }, from, from + length);
return S_OK;
}
HRESULT WebView::hasCompositionForTesting(_Out_ BOOL* result)
{
if (!m_page)
return E_FAIL;
Frame& frame = m_page->focusController().focusedOrMainFrame();
*result = frame.editor().hasComposition();
return S_OK;
}
HRESULT WebView::confirmCompositionForTesting(_In_ BSTR composition)
{
if (!m_page)
return E_FAIL;
Frame& frame = m_page->focusController().focusedOrMainFrame();
if (!frame.editor().canEdit())
return E_FAIL;
String compositionStr = toString(composition);
if (compositionStr.isNull())
frame.editor().confirmComposition();
frame.editor().confirmComposition(compositionStr);
return S_OK;
}
HRESULT WebView::compositionRangeForTesting(_Out_ UINT* startPosition, _Out_ UINT* length)
{
if (!startPosition || !length)
return E_POINTER;
if (!m_page)
return E_FAIL;
Frame& frame = m_page->focusController().focusedOrMainFrame();
if (!frame.editor().canEdit())
return E_FAIL;
auto range = frame.editor().compositionRange();
if (!range)
return E_FAIL;
*startPosition = range->start.offset;
*length = range->start.offset + range->end.offset;
return S_OK;
}
HRESULT WebView::firstRectForCharacterRangeForTesting(UINT location, UINT length, _Out_ RECT* resultRect)
{
if (!resultRect)
return E_POINTER;
if (!m_page)
return E_FAIL;
auto& frame = m_page->focusController().focusedOrMainFrame();
auto* element = frame.selection().rootEditableElementOrDocumentElement();
if (!element)
return E_FAIL;
auto characterRange = CharacterRange(location, length);
auto range = resolveCharacterRange(makeRangeSelectingNodeContents(*element), characterRange);
IntRect rect = frame.editor().firstRectForRange(range);
IntRect resultIntRect = frame.view()->contentsToWindow(rect);
resultIntRect.scale(deviceScaleFactor());
resultRect->left = resultIntRect.x();
resultRect->top = resultIntRect.y();
resultRect->right = resultIntRect.x() + resultIntRect.width();
resultRect->bottom = resultIntRect.y() + resultIntRect.height();
return S_OK;
}
HRESULT WebView::selectedRangeForTesting(_Out_ UINT* location, _Out_ UINT* length)
{
if (!location || !length)
return E_POINTER;
*location = 0;
*length = 0;
if (!m_page)
return E_FAIL;
Frame& frame = m_page->focusController().focusedOrMainFrame();
auto range = frame.editor().selectedRange();
if (!range)
return E_FAIL;
auto* element = frame.selection().rootEditableElementOrDocumentElement();
if (!element)
return E_FAIL;
auto relativeRange = characterRange(makeBoundaryPointBeforeNodeContents(*element), *range);
*location = static_cast<UINT>(relativeRange.location);
*length = static_cast<UINT>(relativeRange.length);
return S_OK;
}
// IWebViewPrivate2
HRESULT WebView::setLoadResourcesSerially(BOOL serialize)
{
WebPlatformStrategies::initialize();
webResourceLoadScheduler().setSerialLoadingEnabled(serialize);
return S_OK;
}
HRESULT WebView::scaleWebView(double scale, POINT origin)
{
if (!m_page)
return E_FAIL;
m_page->setPageScaleFactor(scale, origin);
return S_OK;
}
HRESULT WebView::dispatchPendingLoadRequests()
{
webResourceLoadScheduler().servePendingRequests();
return S_OK;
}
float WebView::deviceScaleFactor() const
{
if (m_customDeviceScaleFactor)
return m_customDeviceScaleFactor;
// FIXME(146335): Should check for Windows 8.1 High DPI Features here first.
if (m_viewWindow)
return WebCore::deviceScaleFactorForWindow(m_viewWindow);
if (m_hostWindow)
return WebCore::deviceScaleFactorForWindow(m_hostWindow);
return WebCore::deviceScaleFactorForWindow(nullptr);
}
HRESULT WebView::setCustomBackingScaleFactor(double customScaleFactor)
{
double oldScaleFactor = deviceScaleFactor();
m_customDeviceScaleFactor = customScaleFactor;
if (m_page && oldScaleFactor != deviceScaleFactor())
m_page->setDeviceScaleFactor(deviceScaleFactor());
return S_OK;
}
HRESULT WebView::backingScaleFactor(_Out_ double* factor)
{
if (!factor)
return E_POINTER;
*factor = deviceScaleFactor();
return S_OK;
}
HRESULT WebView::layerTreeAsString(_Deref_opt_out_ BSTR* treeBstr)
{
if (!treeBstr)
return E_POINTER;
*treeBstr = nullptr;
#if USE(CA)
if (!m_layerTreeHost)
return S_OK;
String tree = m_layerTreeHost->layerTreeAsString();
#elif USE(TEXTURE_MAPPER_GL)
if (!isAcceleratedCompositing())
return S_OK;
String tree = m_acceleratedCompositingContext->layerTreeAsString();
#endif
*treeBstr = BString(tree).release();
if (!*treeBstr && tree.length())
return E_OUTOFMEMORY;
return S_OK;
}
HRESULT WebView::findString(_In_ BSTR string, WebFindOptions options, _Deref_opt_out_ BOOL* found)
{
if (!found)
return E_POINTER;
WebCore::FindOptions coreOptions;
if (options & WebFindOptionsCaseInsensitive)
coreOptions.add(WebCore::CaseInsensitive);
if (options & WebFindOptionsAtWordStarts)
coreOptions.add(WebCore::AtWordStarts);
if (options & WebFindOptionsTreatMedialCapitalAsWordStart)
coreOptions.add(WebCore::TreatMedialCapitalAsWordStart);
if (options & WebFindOptionsBackwards)
coreOptions.add(WebCore::Backwards);
if (options & WebFindOptionsWrapAround)
coreOptions.add(WebCore::WrapAround);
if (options & WebFindOptionsStartInSelection)
coreOptions.add(WebCore::StartInSelection);
*found = m_page->findString(toString(string), coreOptions);
return S_OK;
}
HRESULT WebView::setVisibilityState(WebPageVisibilityState visibilityState)
{
if (!m_page)
return E_FAIL;
m_page->setIsVisible(visibilityState == WebPageVisibilityStateVisible);
if (visibilityState == WebPageVisibilityStatePrerender)
m_page->setIsPrerender();
return S_OK;
}
HRESULT WebView::exitFullscreenIfNeeded()
{
#if ENABLE(FULLSCREEN_API)
if (fullScreenController() && fullScreenController()->isFullScreen())
fullScreenController()->close();
#endif
return S_OK;
}