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/*
* Copyright (C) 2006-2017 Apple Inc. All rights reserved.
* Copyright (C) 2008, 2010 Nokia Corporation and/or its subsidiary(-ies)
* Copyright (C) 2012, Samsung Electronics. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "config.h"
#include "Chrome.h"
#include "ChromeClient.h"
#include "DOMWindow.h"
#include "Document.h"
#include "DocumentType.h"
#include "FileChooser.h"
#include "FileIconLoader.h"
#include "FileList.h"
#include "FloatRect.h"
#include "Frame.h"
#include "FrameLoaderClient.h"
#include "FrameTree.h"
#include "Geolocation.h"
#include "HTMLFormElement.h"
#include "HTMLInputElement.h"
#include "HTMLNames.h"
#include "HitTestResult.h"
#include "Icon.h"
#include "InspectorInstrumentation.h"
#include "Page.h"
#include "PageGroupLoadDeferrer.h"
#include "PopupOpeningObserver.h"
#include "RenderObject.h"
#include "ResourceHandle.h"
#include "Settings.h"
#include "ShareData.h"
#include "StorageNamespace.h"
#include "WindowFeatures.h"
#include <JavaScriptCore/VM.h>
#include <wtf/SetForScope.h>
#include <wtf/Vector.h>
#if ENABLE(INPUT_TYPE_COLOR)
#include "ColorChooser.h"
#endif
#if ENABLE(DATALIST_ELEMENT)
#include "DataListSuggestionPicker.h"
#endif
#if PLATFORM(MAC) && ENABLE(GRAPHICS_CONTEXT_3D)
#include "GraphicsContext3DManager.h"
#endif
namespace WebCore {
using namespace HTMLNames;
Chrome::Chrome(Page& page, ChromeClient& client)
: m_page(page)
, m_client(client)
{
}
Chrome::~Chrome()
{
m_client.chromeDestroyed();
}
void Chrome::invalidateRootView(const IntRect& updateRect)
{
m_client.invalidateRootView(updateRect);
}
void Chrome::invalidateContentsAndRootView(const IntRect& updateRect)
{
m_client.invalidateContentsAndRootView(updateRect);
}
void Chrome::invalidateContentsForSlowScroll(const IntRect& updateRect)
{
m_client.invalidateContentsForSlowScroll(updateRect);
}
void Chrome::scroll(const IntSize& scrollDelta, const IntRect& rectToScroll, const IntRect& clipRect)
{
m_client.scroll(scrollDelta, rectToScroll, clipRect);
InspectorInstrumentation::didScroll(m_page);
}
IntPoint Chrome::screenToRootView(const IntPoint& point) const
{
return m_client.screenToRootView(point);
}
IntRect Chrome::rootViewToScreen(const IntRect& rect) const
{
return m_client.rootViewToScreen(rect);
}
IntPoint Chrome::accessibilityScreenToRootView(const IntPoint& point) const
{
return m_client.accessibilityScreenToRootView(point);
}
IntRect Chrome::rootViewToAccessibilityScreen(const IntRect& rect) const
{
return m_client.rootViewToAccessibilityScreen(rect);
}
PlatformPageClient Chrome::platformPageClient() const
{
return m_client.platformPageClient();
}
void Chrome::contentsSizeChanged(Frame& frame, const IntSize& size) const
{
m_client.contentsSizeChanged(frame, size);
}
void Chrome::scrollRectIntoView(const IntRect& rect) const
{
m_client.scrollRectIntoView(rect);
}
void Chrome::setWindowRect(const FloatRect& rect) const
{
m_client.setWindowRect(rect);
}
FloatRect Chrome::windowRect() const
{
return m_client.windowRect();
}
FloatRect Chrome::pageRect() const
{
return m_client.pageRect();
}
void Chrome::focus() const
{
m_client.focus();
}
void Chrome::unfocus() const
{
m_client.unfocus();
}
bool Chrome::canTakeFocus(FocusDirection direction) const
{
return m_client.canTakeFocus(direction);
}
void Chrome::takeFocus(FocusDirection direction) const
{
m_client.takeFocus(direction);
}
void Chrome::focusedElementChanged(Element* element) const
{
m_client.focusedElementChanged(element);
}
void Chrome::focusedFrameChanged(Frame* frame) const
{
m_client.focusedFrameChanged(frame);
}
Page* Chrome::createWindow(Frame& frame, const FrameLoadRequest& request, const WindowFeatures& features, const NavigationAction& action) const
{
Page* newPage = m_client.createWindow(frame, request, features, action);
if (!newPage)
return nullptr;
if (auto* oldSessionStorage = m_page.sessionStorage(false))
newPage->setSessionStorage(oldSessionStorage->copy(*newPage));
return newPage;
}
void Chrome::show() const
{
m_client.show();
}
bool Chrome::canRunModal() const
{
return m_client.canRunModal();
}
void Chrome::runModal() const
{
// Defer callbacks in all the other pages in this group, so we don't try to run JavaScript
// in a way that could interact with this view.
PageGroupLoadDeferrer deferrer(m_page, false);
// JavaScript that runs within the nested event loop must not be run in the context of the
// script that called showModalDialog. Null out entryScope to break the connection.
SetForScope<JSC::VMEntryScope*> entryScopeNullifier { m_page.mainFrame().document()->vm().entryScope, nullptr };
TimerBase::fireTimersInNestedEventLoop();
m_client.runModal();
}
void Chrome::setToolbarsVisible(bool b) const
{
m_client.setToolbarsVisible(b);
}
bool Chrome::toolbarsVisible() const
{
return m_client.toolbarsVisible();
}
void Chrome::setStatusbarVisible(bool b) const
{
m_client.setStatusbarVisible(b);
}
bool Chrome::statusbarVisible() const
{
return m_client.statusbarVisible();
}
void Chrome::setScrollbarsVisible(bool b) const
{
m_client.setScrollbarsVisible(b);
}
bool Chrome::scrollbarsVisible() const
{
return m_client.scrollbarsVisible();
}
void Chrome::setMenubarVisible(bool b) const
{
m_client.setMenubarVisible(b);
}
bool Chrome::menubarVisible() const
{
return m_client.menubarVisible();
}
void Chrome::setResizable(bool b) const
{
m_client.setResizable(b);
}
bool Chrome::canRunBeforeUnloadConfirmPanel()
{
return m_client.canRunBeforeUnloadConfirmPanel();
}
bool Chrome::runBeforeUnloadConfirmPanel(const String& message, Frame& frame)
{
// Defer loads in case the client method runs a new event loop that would
// otherwise cause the load to continue while we're in the middle of executing JavaScript.
PageGroupLoadDeferrer deferrer(m_page, true);
return m_client.runBeforeUnloadConfirmPanel(message, frame);
}
void Chrome::closeWindowSoon()
{
m_client.closeWindowSoon();
}
void Chrome::runJavaScriptAlert(Frame& frame, const String& message)
{
// Defer loads in case the client method runs a new event loop that would
// otherwise cause the load to continue while we're in the middle of executing JavaScript.
PageGroupLoadDeferrer deferrer(m_page, true);
notifyPopupOpeningObservers();
String displayMessage = frame.displayStringModifiedByEncoding(message);
m_client.runJavaScriptAlert(frame, displayMessage);
}
bool Chrome::runJavaScriptConfirm(Frame& frame, const String& message)
{
// Defer loads in case the client method runs a new event loop that would
// otherwise cause the load to continue while we're in the middle of executing JavaScript.
PageGroupLoadDeferrer deferrer(m_page, true);
notifyPopupOpeningObservers();
return m_client.runJavaScriptConfirm(frame, frame.displayStringModifiedByEncoding(message));
}
bool Chrome::runJavaScriptPrompt(Frame& frame, const String& prompt, const String& defaultValue, String& result)
{
// Defer loads in case the client method runs a new event loop that would
// otherwise cause the load to continue while we're in the middle of executing JavaScript.
PageGroupLoadDeferrer deferrer(m_page, true);
notifyPopupOpeningObservers();
String displayPrompt = frame.displayStringModifiedByEncoding(prompt);
bool ok = m_client.runJavaScriptPrompt(frame, displayPrompt, frame.displayStringModifiedByEncoding(defaultValue), result);
if (ok)
result = frame.displayStringModifiedByEncoding(result);
return ok;
}
void Chrome::setStatusbarText(Frame& frame, const String& status)
{
m_client.setStatusbarText(frame.displayStringModifiedByEncoding(status));
}
void Chrome::mouseDidMoveOverElement(const HitTestResult& result, unsigned modifierFlags)
{
if (result.innerNode() && result.innerNode()->document().isDNSPrefetchEnabled())
m_page.mainFrame().loader().client().prefetchDNS(result.absoluteLinkURL().host().toString());
String toolTip;
TextDirection toolTipDirection;
getToolTip(result, toolTip, toolTipDirection);
m_client.mouseDidMoveOverElement(result, modifierFlags, toolTip, toolTipDirection);
InspectorInstrumentation::mouseDidMoveOverElement(m_page, result, modifierFlags);
}
void Chrome::getToolTip(const HitTestResult& result, String& toolTip, TextDirection& toolTipDirection)
{
// First priority is a potential toolTip representing a spelling or grammar error
toolTip = result.spellingToolTip(toolTipDirection);
// Next priority is a toolTip from a URL beneath the mouse (if preference is set to show those).
if (toolTip.isEmpty() && m_page.settings().showsURLsInToolTips()) {
if (Element* element = result.innerNonSharedElement()) {
// Get tooltip representing form action, if relevant
if (is<HTMLInputElement>(*element)) {
HTMLInputElement& input = downcast<HTMLInputElement>(*element);
if (input.isSubmitButton()) {
if (HTMLFormElement* form = input.form()) {
toolTip = form->action();
if (form->renderer())
toolTipDirection = form->renderer()->style().direction();
else
toolTipDirection = TextDirection::LTR;
}
}
}
}
// Get tooltip representing link's URL
if (toolTip.isEmpty()) {
// FIXME: Need to pass this URL through userVisibleString once that's in WebCore
toolTip = result.absoluteLinkURL().string();
// URL always display as LTR.
toolTipDirection = TextDirection::LTR;
}
}
// Next we'll consider a tooltip for element with "title" attribute
if (toolTip.isEmpty())
toolTip = result.title(toolTipDirection);
if (toolTip.isEmpty() && m_page.settings().showsToolTipOverTruncatedText())
toolTip = result.innerTextIfTruncated(toolTipDirection);
// Lastly, for <input type="file"> that allow multiple files, we'll consider a tooltip for the selected filenames
if (toolTip.isEmpty()) {
if (Element* element = result.innerNonSharedElement()) {
if (is<HTMLInputElement>(*element)) {
toolTip = downcast<HTMLInputElement>(*element).defaultToolTip();
// FIXME: We should obtain text direction of tooltip from
// ChromeClient or platform. As of October 2011, all client
// implementations don't use text direction information for
// ChromeClient::mouseDidMoveOverElement. We'll work on tooltip text
// direction during bidi cleanup in form inputs.
toolTipDirection = TextDirection::LTR;
}
}
}
}
bool Chrome::print(Frame& frame)
{
// FIXME: This should have PageGroupLoadDeferrer, like runModal() or runJavaScriptAlert(), because it's no different from those.
if (frame.document()->isSandboxed(SandboxModals)) {
frame.document()->domWindow()->printErrorMessage("Use of window.print is not allowed in a sandboxed frame when the allow-modals flag is not set.");
return false;
}
m_client.print(frame);
return true;
}
void Chrome::enableSuddenTermination()
{
m_client.enableSuddenTermination();
}
void Chrome::disableSuddenTermination()
{
m_client.disableSuddenTermination();
}
#if ENABLE(INPUT_TYPE_COLOR)
std::unique_ptr<ColorChooser> Chrome::createColorChooser(ColorChooserClient& client, const Color& initialColor)
{
#if PLATFORM(IOS_FAMILY)
return nullptr;
#endif
notifyPopupOpeningObservers();
return m_client.createColorChooser(client, initialColor);
}
#endif
#if ENABLE(DATALIST_ELEMENT)
std::unique_ptr<DataListSuggestionPicker> Chrome::createDataListSuggestionPicker(DataListSuggestionsClient& client)
{
notifyPopupOpeningObservers();
return m_client.createDataListSuggestionPicker(client);
}
#endif
void Chrome::runOpenPanel(Frame& frame, FileChooser& fileChooser)
{
notifyPopupOpeningObservers();
m_client.runOpenPanel(frame, fileChooser);
}
void Chrome::showShareSheet(ShareDataWithParsedURL& shareData, CompletionHandler<void(bool)>&& callback)
{
m_client.showShareSheet(shareData, WTFMove(callback));
}
void Chrome::loadIconForFiles(const Vector<String>& filenames, FileIconLoader& loader)
{
m_client.loadIconForFiles(filenames, loader);
}
FloatSize Chrome::screenSize() const
{
return m_client.screenSize();
}
FloatSize Chrome::availableScreenSize() const
{
return m_client.availableScreenSize();
}
FloatSize Chrome::overrideScreenSize() const
{
return m_client.overrideScreenSize();
}
void Chrome::dispatchDisabledAdaptationsDidChange(const OptionSet<DisabledAdaptations>& disabledAdaptations) const
{
m_client.dispatchDisabledAdaptationsDidChange(disabledAdaptations);
}
void Chrome::dispatchViewportPropertiesDidChange(const ViewportArguments& arguments) const
{
#if PLATFORM(IOS_FAMILY)
if (m_isDispatchViewportDataDidChangeSuppressed)
return;
#endif
m_client.dispatchViewportPropertiesDidChange(arguments);
}
void Chrome::setCursor(const Cursor& cursor)
{
#if ENABLE(CURSOR_SUPPORT)
m_client.setCursor(cursor);
#else
UNUSED_PARAM(cursor);
#endif
}
void Chrome::setCursorHiddenUntilMouseMoves(bool hiddenUntilMouseMoves)
{
#if ENABLE(CURSOR_SUPPORT)
m_client.setCursorHiddenUntilMouseMoves(hiddenUntilMouseMoves);
#else
UNUSED_PARAM(hiddenUntilMouseMoves);
#endif
}
PlatformDisplayID Chrome::displayID() const
{
return m_displayID;
}
void Chrome::windowScreenDidChange(PlatformDisplayID displayID)
{
if (displayID == m_displayID)
return;
m_displayID = displayID;
for (Frame* frame = &m_page.mainFrame(); frame; frame = frame->tree().traverseNext()) {
if (frame->document())
frame->document()->windowScreenDidChange(displayID);
}
m_page.setNeedsRecalcStyleInAllFrames();
#if PLATFORM(MAC) && ENABLE(GRAPHICS_CONTEXT_3D)
GraphicsContext3DManager::sharedManager().screenDidChange(displayID, this);
#endif
}
bool Chrome::selectItemWritingDirectionIsNatural()
{
return m_client.selectItemWritingDirectionIsNatural();
}
bool Chrome::selectItemAlignmentFollowsMenuWritingDirection()
{
return m_client.selectItemAlignmentFollowsMenuWritingDirection();
}
RefPtr<PopupMenu> Chrome::createPopupMenu(PopupMenuClient& client) const
{
notifyPopupOpeningObservers();
return m_client.createPopupMenu(client);
}
RefPtr<SearchPopupMenu> Chrome::createSearchPopupMenu(PopupMenuClient& client) const
{
notifyPopupOpeningObservers();
return m_client.createSearchPopupMenu(client);
}
bool Chrome::requiresFullscreenForVideoPlayback()
{
return m_client.requiresFullscreenForVideoPlayback();
}
void Chrome::didReceiveDocType(Frame& frame)
{
#if !PLATFORM(IOS_FAMILY)
UNUSED_PARAM(frame);
#else
if (!frame.isMainFrame())
return;
auto* doctype = frame.document()->doctype();
m_client.didReceiveMobileDocType(doctype && doctype->publicId().containsIgnoringASCIICase("xhtml mobile"));
#endif
}
void Chrome::registerPopupOpeningObserver(PopupOpeningObserver& observer)
{
m_popupOpeningObservers.append(&observer);
}
void Chrome::unregisterPopupOpeningObserver(PopupOpeningObserver& observer)
{
bool removed = m_popupOpeningObservers.removeFirst(&observer);
ASSERT_UNUSED(removed, removed);
}
void Chrome::notifyPopupOpeningObservers() const
{
const Vector<PopupOpeningObserver*> observers(m_popupOpeningObservers);
for (auto& observer : observers)
observer->willOpenPopup();
}
} // namespace WebCore