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webkit / WebKit / 1e0197afe9ceb835575cd35795e88773cb8a574d / . / Source / WebCore / page / DOMWindow.cpp
blob: 0568b069dcd3ba51ca71e8178a2bdef5e7ff445b [file] [log] [blame]
/*
* Copyright (C) 2006-2017 Apple Inc. All rights reserved.
* Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
*
* 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 "config.h"
#include "DOMWindow.h"
#include "BackForwardController.h"
#include "BarProp.h"
#include "CSSComputedStyleDeclaration.h"
#include "CSSRule.h"
#include "CSSRuleList.h"
#include "Chrome.h"
#include "ChromeClient.h"
#include "ComposedTreeIterator.h"
#include "ContentExtensionActions.h"
#include "ContentExtensionRule.h"
#include "ContentRuleListResults.h"
#include "Crypto.h"
#include "CustomElementRegistry.h"
#include "DOMApplicationCache.h"
#include "DOMSelection.h"
#include "DOMStringList.h"
#include "DOMTimer.h"
#include "DOMTokenList.h"
#include "DOMURL.h"
#include "DeviceMotionController.h"
#include "DeviceMotionData.h"
#include "DeviceMotionEvent.h"
#include "DeviceOrientationAndMotionAccessController.h"
#include "DeviceOrientationController.h"
#include "Document.h"
#include "DocumentLoader.h"
#include "Editor.h"
#include "Element.h"
#include "EventHandler.h"
#include "EventListener.h"
#include "EventNames.h"
#include "FloatRect.h"
#include "FocusController.h"
#include "Frame.h"
#include "FrameLoadRequest.h"
#include "FrameLoader.h"
#include "FrameLoaderClient.h"
#include "FrameTree.h"
#include "FrameView.h"
#include "HTTPParsers.h"
#include "History.h"
#include "IdleRequestOptions.h"
#include "InspectorInstrumentation.h"
#include "JSDOMPromiseDeferred.h"
#include "JSDOMWindowBase.h"
#include "JSExecState.h"
#include "Location.h"
#include "MediaQueryList.h"
#include "MediaQueryMatcher.h"
#include "MessageEvent.h"
#include "MessageWithMessagePorts.h"
#include "NavigationScheduler.h"
#include "Navigator.h"
#include "Page.h"
#include "PageConsoleClient.h"
#include "PageTransitionEvent.h"
#include "Performance.h"
#include "RequestAnimationFrameCallback.h"
#include "ResourceLoadInfo.h"
#include "ResourceLoadObserver.h"
#include "RuntimeApplicationChecks.h"
#include "ScheduledAction.h"
#include "Screen.h"
#include "SecurityOrigin.h"
#include "SecurityOriginData.h"
#include "SecurityPolicy.h"
#include "SelectorQuery.h"
#include "SerializedScriptValue.h"
#include "Settings.h"
#include "StaticNodeList.h"
#include "Storage.h"
#include "StorageArea.h"
#include "StorageNamespace.h"
#include "StorageNamespaceProvider.h"
#include "StyleMedia.h"
#include "StyleResolver.h"
#include "StyleScope.h"
#include "SuddenTermination.h"
#include <wtf/URL.h>
#include "UserGestureIndicator.h"
#include "VisualViewport.h"
#include "WebKitPoint.h"
#include "WindowFeatures.h"
#include "WindowFocusAllowedIndicator.h"
#include "WindowProxy.h"
#include <JavaScriptCore/ScriptCallStack.h>
#include <JavaScriptCore/ScriptCallStackFactory.h>
#include <algorithm>
#include <memory>
#include <wtf/IsoMallocInlines.h>
#include <wtf/Language.h>
#include <wtf/MainThread.h>
#include <wtf/MathExtras.h>
#include <wtf/NeverDestroyed.h>
#include <wtf/Ref.h>
#include <wtf/SetForScope.h>
#include <wtf/Variant.h>
#include <wtf/text/WTFString.h>
#if ENABLE(USER_MESSAGE_HANDLERS)
#include "UserContentController.h"
#include "UserMessageHandlerDescriptor.h"
#include "WebKitNamespace.h"
#endif
#if ENABLE(GAMEPAD)
#include "GamepadManager.h"
#endif
#if ENABLE(GEOLOCATION)
#include "NavigatorGeolocation.h"
#endif
#if ENABLE(POINTER_LOCK)
#include "PointerLockController.h"
#endif
namespace WebCore {
using namespace Inspector;
WTF_MAKE_ISO_ALLOCATED_IMPL(DOMWindow);
class PostMessageTimer : public TimerBase {
public:
PostMessageTimer(DOMWindow& window, MessageWithMessagePorts&& message, const String& sourceOrigin, RefPtr<WindowProxy>&& source, RefPtr<SecurityOrigin>&& targetOrigin, RefPtr<ScriptCallStack>&& stackTrace)
: m_window(window)
, m_message(WTFMove(message))
, m_origin(sourceOrigin)
, m_source(source)
, m_targetOrigin(WTFMove(targetOrigin))
, m_stackTrace(stackTrace)
, m_userGestureToForward(UserGestureIndicator::currentUserGesture())
{
}
Ref<MessageEvent> event(ScriptExecutionContext& context)
{
return MessageEvent::create(MessagePort::entanglePorts(context, WTFMove(m_message.transferredPorts)), m_message.message.releaseNonNull(), m_origin, { }, m_source ? makeOptional(MessageEventSource(WTFMove(m_source))) : WTF::nullopt);
}
SecurityOrigin* targetOrigin() const { return m_targetOrigin.get(); }
ScriptCallStack* stackTrace() const { return m_stackTrace.get(); }
private:
void fired() override
{
// This object gets deleted when std::unique_ptr falls out of scope..
std::unique_ptr<PostMessageTimer> timer(this);
UserGestureIndicator userGestureIndicator(m_userGestureToForward);
m_window->postMessageTimerFired(*timer);
}
Ref<DOMWindow> m_window;
MessageWithMessagePorts m_message;
String m_origin;
RefPtr<WindowProxy> m_source;
RefPtr<SecurityOrigin> m_targetOrigin;
RefPtr<ScriptCallStack> m_stackTrace;
RefPtr<UserGestureToken> m_userGestureToForward;
};
typedef HashCountedSet<DOMWindow*> DOMWindowSet;
static DOMWindowSet& windowsWithUnloadEventListeners()
{
static NeverDestroyed<DOMWindowSet> windowsWithUnloadEventListeners;
return windowsWithUnloadEventListeners;
}
static DOMWindowSet& windowsWithBeforeUnloadEventListeners()
{
static NeverDestroyed<DOMWindowSet> windowsWithBeforeUnloadEventListeners;
return windowsWithBeforeUnloadEventListeners;
}
static void addUnloadEventListener(DOMWindow* domWindow)
{
if (windowsWithUnloadEventListeners().add(domWindow).isNewEntry)
domWindow->disableSuddenTermination();
}
static void removeUnloadEventListener(DOMWindow* domWindow)
{
if (windowsWithUnloadEventListeners().remove(domWindow))
domWindow->enableSuddenTermination();
}
static void removeAllUnloadEventListeners(DOMWindow* domWindow)
{
if (windowsWithUnloadEventListeners().removeAll(domWindow))
domWindow->enableSuddenTermination();
}
static void addBeforeUnloadEventListener(DOMWindow* domWindow)
{
if (windowsWithBeforeUnloadEventListeners().add(domWindow).isNewEntry)
domWindow->disableSuddenTermination();
}
static void removeBeforeUnloadEventListener(DOMWindow* domWindow)
{
if (windowsWithBeforeUnloadEventListeners().remove(domWindow))
domWindow->enableSuddenTermination();
}
static void removeAllBeforeUnloadEventListeners(DOMWindow* domWindow)
{
if (windowsWithBeforeUnloadEventListeners().removeAll(domWindow))
domWindow->enableSuddenTermination();
}
static bool allowsBeforeUnloadListeners(DOMWindow* window)
{
ASSERT_ARG(window, window);
Frame* frame = window->frame();
if (!frame)
return false;
if (!frame->page())
return false;
return frame->isMainFrame();
}
bool DOMWindow::dispatchAllPendingBeforeUnloadEvents()
{
DOMWindowSet& set = windowsWithBeforeUnloadEventListeners();
if (set.isEmpty())
return true;
static bool alreadyDispatched = false;
ASSERT(!alreadyDispatched);
if (alreadyDispatched)
return true;
Vector<Ref<DOMWindow>> windows;
windows.reserveInitialCapacity(set.size());
for (auto& window : set)
windows.uncheckedAppend(*window.key);
for (auto& window : windows) {
if (!set.contains(window.ptr()))
continue;
Frame* frame = window->frame();
if (!frame)
continue;
if (!frame->loader().shouldClose())
return false;
window->enableSuddenTermination();
}
alreadyDispatched = true;
return true;
}
unsigned DOMWindow::pendingUnloadEventListeners() const
{
return windowsWithUnloadEventListeners().count(const_cast<DOMWindow*>(this));
}
void DOMWindow::dispatchAllPendingUnloadEvents()
{
DOMWindowSet& set = windowsWithUnloadEventListeners();
if (set.isEmpty())
return;
static bool alreadyDispatched = false;
ASSERT(!alreadyDispatched);
if (alreadyDispatched)
return;
auto windows = WTF::map(set, [] (auto& keyValue) {
return Ref<DOMWindow>(*(keyValue.key));
});
for (auto& window : windows) {
if (!set.contains(window.ptr()))
continue;
window->dispatchEvent(PageTransitionEvent::create(eventNames().pagehideEvent, false), window->document());
window->dispatchEvent(Event::create(eventNames().unloadEvent, Event::CanBubble::No, Event::IsCancelable::No), window->document());
window->enableSuddenTermination();
}
alreadyDispatched = true;
}
// This function:
// 1) Validates the pending changes are not changing any value to NaN; in that case keep original value.
// 2) Constrains the window rect to the minimum window size and no bigger than the float rect's dimensions.
// 3) Constrains the window rect to within the top and left boundaries of the available screen rect.
// 4) Constrains the window rect to within the bottom and right boundaries of the available screen rect.
// 5) Translate the window rect coordinates to be within the coordinate space of the screen.
FloatRect DOMWindow::adjustWindowRect(Page& page, const FloatRect& pendingChanges)
{
FloatRect screen = screenAvailableRect(page.mainFrame().view());
FloatRect window = page.chrome().windowRect();
// Make sure we're in a valid state before adjusting dimensions.
ASSERT(std::isfinite(screen.x()));
ASSERT(std::isfinite(screen.y()));
ASSERT(std::isfinite(screen.width()));
ASSERT(std::isfinite(screen.height()));
ASSERT(std::isfinite(window.x()));
ASSERT(std::isfinite(window.y()));
ASSERT(std::isfinite(window.width()));
ASSERT(std::isfinite(window.height()));
// Update window values if new requested values are not NaN.
if (!std::isnan(pendingChanges.x()))
window.setX(pendingChanges.x());
if (!std::isnan(pendingChanges.y()))
window.setY(pendingChanges.y());
if (!std::isnan(pendingChanges.width()))
window.setWidth(pendingChanges.width());
if (!std::isnan(pendingChanges.height()))
window.setHeight(pendingChanges.height());
FloatSize minimumSize = page.chrome().client().minimumWindowSize();
window.setWidth(std::min(std::max(minimumSize.width(), window.width()), screen.width()));
window.setHeight(std::min(std::max(minimumSize.height(), window.height()), screen.height()));
// Constrain the window position within the valid screen area.
window.setX(std::max(screen.x(), std::min(window.x(), screen.maxX() - window.width())));
window.setY(std::max(screen.y(), std::min(window.y(), screen.maxY() - window.height())));
return window;
}
bool DOMWindow::allowPopUp(Frame& firstFrame)
{
if (DocumentLoader* documentLoader = firstFrame.loader().documentLoader()) {
// If pop-up policy was set during navigation, use it. If not, use the global settings.
PopUpPolicy popUpPolicy = documentLoader->popUpPolicy();
if (popUpPolicy == PopUpPolicy::Allow)
return true;
if (popUpPolicy == PopUpPolicy::Block)
return false;
}
return UserGestureIndicator::processingUserGesture()
|| firstFrame.settings().javaScriptCanOpenWindowsAutomatically();
}
bool DOMWindow::allowPopUp()
{
auto* frame = this->frame();
return frame && allowPopUp(*frame);
}
bool DOMWindow::canShowModalDialog(const Frame& frame)
{
// Override support for layout testing purposes.
if (auto* document = frame.document()) {
if (auto* window = document->domWindow()) {
if (window->m_canShowModalDialogOverride)
return window->m_canShowModalDialogOverride.value();
}
}
auto* page = frame.page();
return page && page->chrome().canRunModal();
}
static void languagesChangedCallback(void* context)
{
static_cast<DOMWindow*>(context)->languagesChanged();
}
void DOMWindow::setCanShowModalDialogOverride(bool allow)
{
m_canShowModalDialogOverride = allow;
}
DOMWindow::DOMWindow(Document& document)
: AbstractDOMWindow(GlobalWindowIdentifier { Process::identifier(), WindowIdentifier::generate() })
, ContextDestructionObserver(&document)
{
ASSERT(frame());
addLanguageChangeObserver(this, &languagesChangedCallback);
}
void DOMWindow::didSecureTransitionTo(Document& document)
{
observeContext(&document);
// The Window is being transferred from one document to another so we need to reset data
// members that store the window's document (rather than the window itself).
m_crypto = nullptr;
m_navigator = nullptr;
m_performance = nullptr;
}
void DOMWindow::prewarmLocalStorageIfNecessary()
{
auto* page = this->page();
// No need to prewarm for ephemeral sessions since the data is in memory only.
if (!page || page->usesEphemeralSession())
return;
if (!page->mainFrame().mayPrewarmLocalStorage())
return;
auto localStorageResult = this->localStorage();
if (localStorageResult.hasException())
return;
auto* localStorage = localStorageResult.returnValue();
if (!localStorage)
return;
page->mainFrame().didPrewarmLocalStorage();
}
DOMWindow::~DOMWindow()
{
if (m_suspendedForDocumentSuspension)
willDestroyCachedFrame();
else
willDestroyDocumentInFrame();
removeAllUnloadEventListeners(this);
removeAllBeforeUnloadEventListeners(this);
#if ENABLE(GAMEPAD)
if (m_gamepadEventListenerCount)
GamepadManager::singleton().unregisterDOMWindow(this);
#endif
removeLanguageChangeObserver(this);
}
RefPtr<MediaQueryList> DOMWindow::matchMedia(const String& media)
{
return document() ? document()->mediaQueryMatcher().matchMedia(media) : nullptr;
}
Page* DOMWindow::page()
{
return frame() ? frame()->page() : nullptr;
}
void DOMWindow::frameDestroyed()
{
Ref<DOMWindow> protectedThis(*this);
willDestroyDocumentInFrame();
JSDOMWindowBase::fireFrameClearedWatchpointsForWindow(this);
}
void DOMWindow::willDestroyCachedFrame()
{
// It is necessary to copy m_observers to a separate vector because the Observer may
// unregister themselves from the DOMWindow as a result of the call to willDestroyGlobalObjectInCachedFrame.
for (auto* observer : copyToVector(m_observers)) {
if (m_observers.contains(observer))
observer->willDestroyGlobalObjectInCachedFrame();
}
}
void DOMWindow::willDestroyDocumentInFrame()
{
// It is necessary to copy m_observers to a separate vector because the Observer may
// unregister themselves from the DOMWindow as a result of the call to willDestroyGlobalObjectInFrame.
for (auto* observer : copyToVector(m_observers)) {
if (m_observers.contains(observer))
observer->willDestroyGlobalObjectInFrame();
}
}
void DOMWindow::willDetachDocumentFromFrame()
{
if (!frame())
return;
RELEASE_ASSERT(!m_isSuspendingObservers);
// It is necessary to copy m_observers to a separate vector because the Observer may
// unregister themselves from the DOMWindow as a result of the call to willDetachGlobalObjectFromFrame.
for (auto& observer : copyToVector(m_observers)) {
if (m_observers.contains(observer))
observer->willDetachGlobalObjectFromFrame();
}
if (m_performance)
m_performance->clearResourceTimings();
JSDOMWindowBase::fireFrameClearedWatchpointsForWindow(this);
InspectorInstrumentation::frameWindowDiscarded(*frame(), this);
}
#if ENABLE(GAMEPAD)
void DOMWindow::incrementGamepadEventListenerCount()
{
if (++m_gamepadEventListenerCount == 1)
GamepadManager::singleton().registerDOMWindow(this);
}
void DOMWindow::decrementGamepadEventListenerCount()
{
ASSERT(m_gamepadEventListenerCount);
if (!--m_gamepadEventListenerCount)
GamepadManager::singleton().unregisterDOMWindow(this);
}
#endif
void DOMWindow::registerObserver(Observer& observer)
{
m_observers.add(&observer);
}
void DOMWindow::unregisterObserver(Observer& observer)
{
m_observers.remove(&observer);
}
void DOMWindow::resetUnlessSuspendedForDocumentSuspension()
{
if (m_suspendedForDocumentSuspension)
return;
willDestroyDocumentInFrame();
}
void DOMWindow::suspendForBackForwardCache()
{
SetForScope<bool> isSuspendingObservers(m_isSuspendingObservers, true);
RELEASE_ASSERT(frame());
for (auto* observer : copyToVector(m_observers)) {
if (m_observers.contains(observer))
observer->suspendForBackForwardCache();
}
RELEASE_ASSERT(frame());
m_suspendedForDocumentSuspension = true;
}
void DOMWindow::resumeFromBackForwardCache()
{
for (auto* observer : copyToVector(m_observers)) {
if (m_observers.contains(observer))
observer->resumeFromBackForwardCache();
}
m_suspendedForDocumentSuspension = false;
}
bool DOMWindow::isCurrentlyDisplayedInFrame() const
{
auto* frame = this->frame();
return frame && frame->document()->domWindow() == this;
}
CustomElementRegistry& DOMWindow::ensureCustomElementRegistry()
{
if (!m_customElementRegistry)
m_customElementRegistry = CustomElementRegistry::create(*this, scriptExecutionContext());
return *m_customElementRegistry;
}
static ExceptionOr<SelectorQuery&> selectorQueryInFrame(Frame* frame, const String& selectors)
{
if (!frame)
return Exception { NotSupportedError };
Document* document = frame->document();
if (!document)
return Exception { NotSupportedError };
return document->selectorQueryForString(selectors);
}
ExceptionOr<Ref<NodeList>> DOMWindow::collectMatchingElementsInFlatTree(Node& scope, const String& selectors)
{
auto queryOrException = selectorQueryInFrame(frame(), selectors);
if (queryOrException.hasException())
return queryOrException.releaseException();
if (!is<ContainerNode>(scope))
return Ref<NodeList> { StaticElementList::create() };
SelectorQuery& query = queryOrException.releaseReturnValue();
Vector<Ref<Element>> result;
for (auto& node : composedTreeDescendants(downcast<ContainerNode>(scope))) {
if (is<Element>(node) && query.matches(downcast<Element>(node)) && !node.isInUserAgentShadowTree())
result.append(downcast<Element>(node));
}
return Ref<NodeList> { StaticElementList::create(WTFMove(result)) };
}
ExceptionOr<RefPtr<Element>> DOMWindow::matchingElementInFlatTree(Node& scope, const String& selectors)
{
auto queryOrException = selectorQueryInFrame(frame(), selectors);
if (queryOrException.hasException())
return queryOrException.releaseException();
if (!is<ContainerNode>(scope))
return RefPtr<Element> { nullptr };
SelectorQuery& query = queryOrException.releaseReturnValue();
for (auto& node : composedTreeDescendants(downcast<ContainerNode>(scope))) {
if (is<Element>(node) && query.matches(downcast<Element>(node)) && !node.isInUserAgentShadowTree())
return &downcast<Element>(node);
}
return RefPtr<Element> { nullptr };
}
#if ENABLE(ORIENTATION_EVENTS)
int DOMWindow::orientation() const
{
auto* frame = this->frame();
if (!frame)
return 0;
return frame->orientation();
}
#endif
Screen& DOMWindow::screen()
{
if (!m_screen)
m_screen = Screen::create(*this);
return *m_screen;
}
History& DOMWindow::history()
{
if (!m_history)
m_history = History::create(*this);
return *m_history;
}
Crypto& DOMWindow::crypto() const
{
if (!m_crypto)
m_crypto = Crypto::create(document());
ASSERT(m_crypto->scriptExecutionContext() == document());
return *m_crypto;
}
BarProp& DOMWindow::locationbar()
{
if (!m_locationbar)
m_locationbar = BarProp::create(*this, BarProp::Locationbar);
return *m_locationbar;
}
BarProp& DOMWindow::menubar()
{
if (!m_menubar)
m_menubar = BarProp::create(*this, BarProp::Menubar);
return *m_menubar;
}
BarProp& DOMWindow::personalbar()
{
if (!m_personalbar)
m_personalbar = BarProp::create(*this, BarProp::Personalbar);
return *m_personalbar;
}
BarProp& DOMWindow::scrollbars()
{
if (!m_scrollbars)
m_scrollbars = BarProp::create(*this, BarProp::Scrollbars);
return *m_scrollbars;
}
BarProp& DOMWindow::statusbar()
{
if (!m_statusbar)
m_statusbar = BarProp::create(*this, BarProp::Statusbar);
return *m_statusbar;
}
BarProp& DOMWindow::toolbar()
{
if (!m_toolbar)
m_toolbar = BarProp::create(*this, BarProp::Toolbar);
return *m_toolbar;
}
PageConsoleClient* DOMWindow::console() const
{
// FIXME: This should not return nullptr when frameless.
if (!isCurrentlyDisplayedInFrame())
return nullptr;
auto* frame = this->frame();
return frame->page() ? &frame->page()->console() : nullptr;
}
DOMApplicationCache& DOMWindow::applicationCache()
{
if (!m_applicationCache)
m_applicationCache = DOMApplicationCache::create(*this);
return *m_applicationCache;
}
Navigator& DOMWindow::navigator()
{
if (!m_navigator)
m_navigator = Navigator::create(scriptExecutionContext(), *this);
ASSERT(m_navigator->scriptExecutionContext() == document());
return *m_navigator;
}
Performance& DOMWindow::performance() const
{
if (!m_performance) {
MonotonicTime timeOrigin = document() && document()->loader() ? document()->loader()->timing().referenceMonotonicTime() : MonotonicTime::now();
m_performance = Performance::create(document(), timeOrigin);
}
ASSERT(m_performance->scriptExecutionContext() == document());
return *m_performance;
}
double DOMWindow::nowTimestamp() const
{
return performance().now() / 1000.;
}
Location& DOMWindow::location()
{
if (!m_location)
m_location = Location::create(*this);
return *m_location;
}
VisualViewport& DOMWindow::visualViewport()
{
if (!m_visualViewport)
m_visualViewport = VisualViewport::create(*this);
return *m_visualViewport;
}
#if ENABLE(USER_MESSAGE_HANDLERS)
bool DOMWindow::shouldHaveWebKitNamespaceForWorld(DOMWrapperWorld& world)
{
auto* frame = this->frame();
if (!frame)
return false;
auto* page = frame->page();
if (!page)
return false;
bool hasUserMessageHandler = false;
page->userContentProvider().forEachUserMessageHandler([&](const UserMessageHandlerDescriptor& descriptor) {
if (&descriptor.world() == &world) {
hasUserMessageHandler = true;
return;
}
});
return hasUserMessageHandler;
}
WebKitNamespace* DOMWindow::webkitNamespace()
{
if (!isCurrentlyDisplayedInFrame())
return nullptr;
auto* page = frame()->page();
if (!page)
return nullptr;
if (!m_webkitNamespace)
m_webkitNamespace = WebKitNamespace::create(*this, page->userContentProvider());
return m_webkitNamespace.get();
}
#endif
ExceptionOr<Storage*> DOMWindow::sessionStorage()
{
if (!isCurrentlyDisplayedInFrame())
return nullptr;
auto* document = this->document();
if (!document)
return nullptr;
if (!document->securityOrigin().canAccessSessionStorage(document->topOrigin()))
return Exception { SecurityError };
if (m_sessionStorage)
return m_sessionStorage.get();
auto* page = document->page();
if (!page)
return nullptr;
auto storageArea = page->sessionStorage()->storageArea(document->securityOrigin().data());
m_sessionStorage = Storage::create(*this, WTFMove(storageArea));
return m_sessionStorage.get();
}
ExceptionOr<Storage*> DOMWindow::localStorage()
{
if (!isCurrentlyDisplayedInFrame())
return nullptr;
auto* document = this->document();
if (!document)
return nullptr;
if (!document->securityOrigin().canAccessLocalStorage(nullptr))
return Exception { SecurityError };
auto* page = document->page();
// FIXME: We should consider supporting access/modification to local storage
// after calling window.close(). See <https://bugs.webkit.org/show_bug.cgi?id=135330>.
if (!page || !page->isClosing()) {
if (m_localStorage)
return m_localStorage.get();
}
if (!page)
return nullptr;
if (page->isClosing())
return nullptr;
if (!page->settings().localStorageEnabled())
return nullptr;
auto storageArea = page->storageNamespaceProvider().localStorageArea(*document);
m_localStorage = Storage::create(*this, WTFMove(storageArea));
return m_localStorage.get();
}
ExceptionOr<void> DOMWindow::postMessage(JSC::JSGlobalObject& lexicalGlobalObject, DOMWindow& incumbentWindow, JSC::JSValue messageValue, const String& targetOrigin, Vector<JSC::Strong<JSC::JSObject>>&& transfer)
{
if (!isCurrentlyDisplayedInFrame())
return { };
Document* sourceDocument = incumbentWindow.document();
// Compute the target origin. We need to do this synchronously in order
// to generate the SyntaxError exception correctly.
RefPtr<SecurityOrigin> target;
if (targetOrigin == "/") {
if (!sourceDocument)
return { };
target = &sourceDocument->securityOrigin();
} else if (targetOrigin != "*") {
target = SecurityOrigin::createFromString(targetOrigin);
// It doesn't make sense target a postMessage at a unique origin
// because there's no way to represent a unique origin in a string.
if (target->isUnique())
return Exception { SyntaxError };
}
Vector<RefPtr<MessagePort>> ports;
auto messageData = SerializedScriptValue::create(lexicalGlobalObject, messageValue, WTFMove(transfer), ports, SerializationContext::WindowPostMessage);
if (messageData.hasException())
return messageData.releaseException();
auto disentangledPorts = MessagePort::disentanglePorts(WTFMove(ports));
if (disentangledPorts.hasException())
return disentangledPorts.releaseException();
// Capture the source of the message. We need to do this synchronously
// in order to capture the source of the message correctly.
if (!sourceDocument)
return { };
auto sourceOrigin = sourceDocument->securityOrigin().toString();
// Capture stack trace only when inspector front-end is loaded as it may be time consuming.
RefPtr<ScriptCallStack> stackTrace;
if (InspectorInstrumentation::consoleAgentEnabled(sourceDocument))
stackTrace = createScriptCallStack(JSExecState::currentState());
MessageWithMessagePorts message { messageData.releaseReturnValue(), disentangledPorts.releaseReturnValue() };
// Schedule the message.
RefPtr<WindowProxy> incumbentWindowProxy = incumbentWindow.frame() ? &incumbentWindow.frame()->windowProxy() : nullptr;
auto* timer = new PostMessageTimer(*this, WTFMove(message), sourceOrigin, WTFMove(incumbentWindowProxy), WTFMove(target), WTFMove(stackTrace));
timer->startOneShot(0_s);
InspectorInstrumentation::didPostMessage(*frame(), *timer, lexicalGlobalObject);
return { };
}
void DOMWindow::postMessageTimerFired(PostMessageTimer& timer)
{
if (!document() || !isCurrentlyDisplayedInFrame())
return;
Ref<Frame> frame = *this->frame();
if (auto* intendedTargetOrigin = timer.targetOrigin()) {
// Check target origin now since the target document may have changed since the timer was scheduled.
if (!intendedTargetOrigin->isSameSchemeHostPort(document()->securityOrigin())) {
if (auto* pageConsole = console()) {
String message = makeString("Unable to post message to ", intendedTargetOrigin->toString(), ". Recipient has origin ", document()->securityOrigin().toString(), ".\n");
if (timer.stackTrace())
pageConsole->addMessage(MessageSource::Security, MessageLevel::Error, message, *timer.stackTrace());
else
pageConsole->addMessage(MessageSource::Security, MessageLevel::Error, message);
}
InspectorInstrumentation::didFailPostMessage(frame, timer);
return;
}
}
InspectorInstrumentation::willDispatchPostMessage(frame, timer);
dispatchEvent(timer.event(*document()));
InspectorInstrumentation::didDispatchPostMessage(frame, timer);
}
DOMSelection* DOMWindow::getSelection()
{
if (!isCurrentlyDisplayedInFrame())
return nullptr;
if (!m_selection)
m_selection = DOMSelection::create(*this);
return m_selection.get();
}
Element* DOMWindow::frameElement() const
{
auto* frame = this->frame();
if (!frame)
return nullptr;
return frame->ownerElement();
}
void DOMWindow::focus(DOMWindow& incumbentWindow)
{
auto* frame = this->frame();
auto* openerFrame = frame ? frame->loader().opener() : nullptr;
focus(openerFrame && openerFrame != frame && incumbentWindow.frame() == openerFrame);
}
void DOMWindow::focus(bool allowFocus)
{
if (!frame())
return;
Page* page = frame()->page();
if (!page)
return;
allowFocus = allowFocus || WindowFocusAllowedIndicator::windowFocusAllowed() || !frame()->settings().windowFocusRestricted();
// If we're a top level window, bring the window to the front.
if (frame()->isMainFrame() && allowFocus)
page->chrome().focus();
if (!frame())
return;
if (!frame()->hasHadUserInteraction() && !isSameSecurityOriginAsMainFrame())
return;
// Clear the current frame's focused node if a new frame is about to be focused.
Frame* focusedFrame = page->focusController().focusedFrame();
if (focusedFrame && focusedFrame != frame())
focusedFrame->document()->setFocusedElement(nullptr);
// setFocusedElement may clear frame(), so recheck before using it.
if (auto* frame = this->frame())
frame->eventHandler().focusDocumentView();
}
void DOMWindow::blur()
{
auto* frame = this->frame();
if (!frame)
return;
Page* page = frame->page();
if (!page)
return;
if (frame->settings().windowFocusRestricted())
return;
if (!frame->isMainFrame())
return;
page->chrome().unfocus();
}
void DOMWindow::close(Document& document)
{
if (!document.canNavigate(frame()))
return;
close();
}
void DOMWindow::close()
{
auto* frame = this->frame();
if (!frame)
return;
Page* page = frame->page();
if (!page)
return;
if (!frame->isMainFrame())
return;
if (!(page->openedByDOM() || page->backForward().count() <= 1)) {
console()->addMessage(MessageSource::JS, MessageLevel::Warning, "Can't close the window since it was not opened by JavaScript"_s);
return;
}
if (!frame->loader().shouldClose())
return;
ResourceLoadObserver::shared().updateCentralStatisticsStore();
page->setIsClosing();
page->chrome().closeWindowSoon();
}
void DOMWindow::print()
{
auto* frame = this->frame();
if (!frame)
return;
auto* page = frame->page();
if (!page)
return;
if (!page->arePromptsAllowed()) {
printErrorMessage("Use of window.print is not allowed while unloading a page.");
return;
}
if (frame->loader().activeDocumentLoader()->isLoading()) {
m_shouldPrintWhenFinishedLoading = true;
return;
}
m_shouldPrintWhenFinishedLoading = false;
page->chrome().print(*frame);
}
void DOMWindow::stop()
{
auto* frame = this->frame();
if (!frame)
return;
// We must check whether the load is complete asynchronously, because we might still be parsing
// the document until the callstack unwinds.
frame->loader().stopForUserCancel(true);
}
void DOMWindow::alert(const String& message)
{
auto* frame = this->frame();
if (!frame)
return;
if (document()->isSandboxed(SandboxModals)) {
printErrorMessage("Use of window.alert is not allowed in a sandboxed frame when the allow-modals flag is not set.");
return;
}
auto* page = frame->page();
if (!page)
return;
if (!page->arePromptsAllowed()) {
printErrorMessage("Use of window.alert is not allowed while unloading a page.");
return;
}
frame->document()->updateStyleIfNeeded();
#if ENABLE(POINTER_LOCK)
page->pointerLockController().requestPointerUnlock();
#endif
page->chrome().runJavaScriptAlert(*frame, message);
}
bool DOMWindow::confirmForBindings(const String& message)
{
auto* frame = this->frame();
if (!frame)
return false;
if (document()->isSandboxed(SandboxModals)) {
printErrorMessage("Use of window.confirm is not allowed in a sandboxed frame when the allow-modals flag is not set.");
return false;
}
auto* page = frame->page();
if (!page)
return false;
if (!page->arePromptsAllowed()) {
printErrorMessage("Use of window.confirm is not allowed while unloading a page.");
return false;
}
frame->document()->updateStyleIfNeeded();
#if ENABLE(POINTER_LOCK)
page->pointerLockController().requestPointerUnlock();
#endif
return page->chrome().runJavaScriptConfirm(*frame, message);
}
String DOMWindow::prompt(const String& message, const String& defaultValue)
{
auto* frame = this->frame();
if (!frame)
return String();
if (document()->isSandboxed(SandboxModals)) {
printErrorMessage("Use of window.prompt is not allowed in a sandboxed frame when the allow-modals flag is not set.");
return String();
}
auto* page = frame->page();
if (!page)
return String();
if (!page->arePromptsAllowed()) {
printErrorMessage("Use of window.prompt is not allowed while unloading a page.");
return String();
}
frame->document()->updateStyleIfNeeded();
#if ENABLE(POINTER_LOCK)
page->pointerLockController().requestPointerUnlock();
#endif
String returnValue;
if (page->chrome().runJavaScriptPrompt(*frame, message, defaultValue, returnValue))
return returnValue;
return String();
}
bool DOMWindow::find(const String& string, bool caseSensitive, bool backwards, bool wrap, bool /*wholeWord*/, bool /*searchInFrames*/, bool /*showDialog*/) const
{
if (!isCurrentlyDisplayedInFrame())
return false;
// FIXME (13016): Support wholeWord, searchInFrames and showDialog.
FindOptions options { DoNotTraverseFlatTree };
if (backwards)
options.add(Backwards);
if (!caseSensitive)
options.add(CaseInsensitive);
if (wrap)
options.add(WrapAround);
return frame()->editor().findString(string, options);
}
bool DOMWindow::offscreenBuffering() const
{
return true;
}
int DOMWindow::outerHeight() const
{
#if PLATFORM(IOS_FAMILY)
if (!frame())
return 0;
auto* view = frame()->isMainFrame() ? frame()->view() : frame()->mainFrame().view();
if (!view)
return 0;
return view->frameRect().height();
#else
auto* frame = this->frame();
if (!frame)
return 0;
Page* page = frame->page();
if (!page)
return 0;
return static_cast<int>(page->chrome().windowRect().height());
#endif
}
int DOMWindow::outerWidth() const
{
#if PLATFORM(IOS_FAMILY)
if (!frame())
return 0;
auto* view = frame()->isMainFrame() ? frame()->view() : frame()->mainFrame().view();
if (!view)
return 0;
return view->frameRect().width();
#else
auto* frame = this->frame();
if (!frame)
return 0;
Page* page = frame->page();
if (!page)
return 0;
return static_cast<int>(page->chrome().windowRect().width());
#endif
}
int DOMWindow::innerHeight() const
{
if (!frame())
return 0;
// Force enough layout in the parent document to ensure that the FrameView has been resized.
if (auto ownerElement = makeRefPtr(frameElement()))
ownerElement->document().updateLayoutIfDimensionsOutOfDate(*ownerElement, HeightDimensionsCheck);
auto frame = makeRefPtr(this->frame());
if (!frame)
return 0;
auto view = makeRefPtr(frame->view());
if (!view)
return 0;
return view->mapFromLayoutToCSSUnits(static_cast<int>(view->unobscuredContentRectIncludingScrollbars().height()));
}
int DOMWindow::innerWidth() const
{
if (!frame())
return 0;
// Force enough layout in the parent document to ensure that the FrameView has been resized.
if (auto ownerElement = makeRefPtr(frameElement()))
ownerElement->document().updateLayoutIfDimensionsOutOfDate(*ownerElement, WidthDimensionsCheck);
auto frame = makeRefPtr(this->frame());
if (!frame)
return 0;
auto view = makeRefPtr(frame->view());
if (!view)
return 0;
return view->mapFromLayoutToCSSUnits(static_cast<int>(view->unobscuredContentRectIncludingScrollbars().width()));
}
int DOMWindow::screenX() const
{
auto frame = makeRefPtr(this->frame());
if (!frame)
return 0;
Page* page = frame->page();
if (!page)
return 0;
return static_cast<int>(page->chrome().windowRect().x());
}
int DOMWindow::screenY() const
{
auto frame = makeRefPtr(this->frame());
if (!frame)
return 0;
Page* page = frame->page();
if (!page)
return 0;
return static_cast<int>(page->chrome().windowRect().y());
}
int DOMWindow::scrollX() const
{
auto frame = makeRefPtr(this->frame());
if (!frame)
return 0;
auto view = makeRefPtr(frame->view());
if (!view)
return 0;
int scrollX = view->contentsScrollPosition().x();
if (!scrollX)
return 0;
frame->document()->updateLayoutIgnorePendingStylesheets();
// Layout may have affected the current frame:
auto frameAfterLayout = makeRefPtr(this->frame());
if (!frameAfterLayout)
return 0;
auto viewAfterLayout = makeRefPtr(frameAfterLayout->view());
if (!viewAfterLayout)
return 0;
return viewAfterLayout->mapFromLayoutToCSSUnits(viewAfterLayout->contentsScrollPosition().x());
}
int DOMWindow::scrollY() const
{
auto frame = makeRefPtr(this->frame());
if (!frame)
return 0;
auto view = makeRefPtr(frame->view());
if (!view)
return 0;
int scrollY = view->contentsScrollPosition().y();
if (!scrollY)
return 0;
frame->document()->updateLayoutIgnorePendingStylesheets();
// Layout may have affected the current frame:
auto frameAfterLayout = makeRefPtr(this->frame());
if (!frameAfterLayout)
return 0;
auto viewAfterLayout = makeRefPtr(frameAfterLayout->view());
if (!viewAfterLayout)
return 0;
return viewAfterLayout->mapFromLayoutToCSSUnits(viewAfterLayout->contentsScrollPosition().y());
}
bool DOMWindow::closed() const
{
auto* frame = this->frame();
if (!frame)
return true;
auto* page = frame->page();
return !page || page->isClosing();
}
unsigned DOMWindow::length() const
{
if (!isCurrentlyDisplayedInFrame())
return 0;
return frame()->tree().scopedChildCount();
}
String DOMWindow::name() const
{
auto* frame = this->frame();
if (!frame)
return String();
return frame->tree().name();
}
void DOMWindow::setName(const String& string)
{
auto* frame = this->frame();
if (!frame)
return;
frame->tree().setName(string);
}
void DOMWindow::setStatus(const String& string)
{
m_status = string;
auto* frame = this->frame();
if (!frame)
return;
Page* page = frame->page();
if (!page)
return;
ASSERT(frame->document()); // Client calls shouldn't be made when the frame is in inconsistent state.
page->chrome().setStatusbarText(*frame, m_status);
}
void DOMWindow::setDefaultStatus(const String& string)
{
m_defaultStatus = string;
auto* frame = this->frame();
if (!frame)
return;
Page* page = frame->page();
if (!page)
return;
ASSERT(frame->document()); // Client calls shouldn't be made when the frame is in inconsistent state.
page->chrome().setStatusbarText(*frame, m_defaultStatus);
}
WindowProxy* DOMWindow::opener() const
{
auto* frame = this->frame();
if (!frame)
return nullptr;
auto* openerFrame = frame->loader().opener();
if (!openerFrame)
return nullptr;
return &openerFrame->windowProxy();
}
void DOMWindow::disownOpener()
{
if (auto* frame = this->frame())
frame->loader().setOpener(nullptr);
}
WindowProxy* DOMWindow::parent() const
{
auto* frame = this->frame();
if (!frame)
return nullptr;
auto* parentFrame = frame->tree().parent();
if (parentFrame)
return &parentFrame->windowProxy();
return &frame->windowProxy();
}
WindowProxy* DOMWindow::top() const
{
auto* frame = this->frame();
if (!frame)
return nullptr;
if (!frame->page())
return nullptr;
return &frame->tree().top().windowProxy();
}
String DOMWindow::origin() const
{
auto document = this->document();
return document ? document->securityOrigin().toString() : emptyString();
}
Document* DOMWindow::document() const
{
return downcast<Document>(ContextDestructionObserver::scriptExecutionContext());
}
StyleMedia& DOMWindow::styleMedia()
{
if (!m_media)
m_media = StyleMedia::create(*this);
return *m_media;
}
Ref<CSSStyleDeclaration> DOMWindow::getComputedStyle(Element& element, const String& pseudoElt) const
{
return CSSComputedStyleDeclaration::create(element, false, pseudoElt);
}
RefPtr<CSSRuleList> DOMWindow::getMatchedCSSRules(Element* element, const String& pseudoElement, bool authorOnly) const
{
if (!isCurrentlyDisplayedInFrame())
return nullptr;
unsigned colonStart = pseudoElement[0] == ':' ? (pseudoElement[1] == ':' ? 2 : 1) : 0;
auto pseudoType = CSSSelector::parsePseudoElementType(StringView { pseudoElement }.substring(colonStart));
if (pseudoType == CSSSelector::PseudoElementUnknown && !pseudoElement.isEmpty())
return nullptr;
auto* frame = this->frame();
frame->document()->styleScope().flushPendingUpdate();
unsigned rulesToInclude = Style::Resolver::AuthorCSSRules;
if (!authorOnly)
rulesToInclude |= Style::Resolver::UAAndUserCSSRules;
PseudoId pseudoId = CSSSelector::pseudoId(pseudoType);
auto matchedRules = frame->document()->styleScope().resolver().pseudoStyleRulesForElement(element, pseudoId, rulesToInclude);
if (matchedRules.isEmpty())
return nullptr;
bool allowCrossOrigin = frame->settings().crossOriginCheckInGetMatchedCSSRulesDisabled();
auto ruleList = StaticCSSRuleList::create();
for (auto& rule : matchedRules) {
if (!allowCrossOrigin && !rule->hasDocumentSecurityOrigin())
continue;
ruleList->rules().append(rule->createCSSOMWrapper());
}
if (ruleList->rules().isEmpty())
return nullptr;
return ruleList;
}
RefPtr<WebKitPoint> DOMWindow::webkitConvertPointFromNodeToPage(Node* node, const WebKitPoint* p) const
{
if (!node || !p)
return nullptr;
if (!document())
return nullptr;
document()->updateLayoutIgnorePendingStylesheets();
FloatPoint pagePoint(p->x(), p->y());
pagePoint = node->convertToPage(pagePoint);
return WebKitPoint::create(pagePoint.x(), pagePoint.y());
}
RefPtr<WebKitPoint> DOMWindow::webkitConvertPointFromPageToNode(Node* node, const WebKitPoint* p) const
{
if (!node || !p)
return nullptr;
if (!document())
return nullptr;
document()->updateLayoutIgnorePendingStylesheets();
FloatPoint nodePoint(p->x(), p->y());
nodePoint = node->convertFromPage(nodePoint);
return WebKitPoint::create(nodePoint.x(), nodePoint.y());
}
double DOMWindow::devicePixelRatio() const
{
auto* frame = this->frame();
if (!frame)
return 0.0;
Page* page = frame->page();
if (!page)
return 0.0;
return page->deviceScaleFactor();
}
void DOMWindow::scrollBy(double x, double y) const
{
scrollBy({ x, y });
}
void DOMWindow::scrollBy(const ScrollToOptions& options) const
{
if (!isCurrentlyDisplayedInFrame())
return;
document()->updateLayoutIgnorePendingStylesheets();
FrameView* view = frame()->view();
if (!view)
return;
ScrollToOptions scrollToOptions = normalizeNonFiniteCoordinatesOrFallBackTo(options, 0, 0);
scrollToOptions.left.value() += view->mapFromLayoutToCSSUnits(view->contentsScrollPosition().x());
scrollToOptions.top.value() += view->mapFromLayoutToCSSUnits(view->contentsScrollPosition().y());
scrollTo(scrollToOptions);
}
void DOMWindow::scrollTo(double x, double y, ScrollClamping clamping) const
{
scrollTo({ x, y }, clamping);
}
void DOMWindow::scrollTo(const ScrollToOptions& options, ScrollClamping) const
{
if (!isCurrentlyDisplayedInFrame())
return;
RefPtr<FrameView> view = frame()->view();
if (!view)
return;
ScrollToOptions scrollToOptions = normalizeNonFiniteCoordinatesOrFallBackTo(options,
view->contentsScrollPosition().x(), view->contentsScrollPosition().y()
);
if (!scrollToOptions.left.value() && !scrollToOptions.top.value() && view->contentsScrollPosition() == IntPoint(0, 0))
return;
document()->updateLayoutIgnorePendingStylesheets();
IntPoint layoutPos(view->mapFromCSSToLayoutUnits(scrollToOptions.left.value()), view->mapFromCSSToLayoutUnits(scrollToOptions.top.value()));
view->setContentsScrollPosition(layoutPos);
}
bool DOMWindow::allowedToChangeWindowGeometry() const
{
auto* frame = this->frame();
if (!frame)
return false;
if (!frame->page())
return false;
if (!frame->isMainFrame())
return false;
// Prevent web content from tricking the user into initiating a drag.
if (frame->eventHandler().mousePressed())
return false;
return true;
}
void DOMWindow::moveBy(float x, float y) const
{
if (!allowedToChangeWindowGeometry())
return;
auto* page = frame()->page();
FloatRect fr = page->chrome().windowRect();
FloatRect update = fr;
update.move(x, y);
page->chrome().setWindowRect(adjustWindowRect(*page, update));
}
void DOMWindow::moveTo(float x, float y) const
{
if (!allowedToChangeWindowGeometry())
return;
auto* page = frame()->page();
FloatRect fr = page->chrome().windowRect();
FloatRect sr = screenAvailableRect(page->mainFrame().view());
fr.setLocation(sr.location());
FloatRect update = fr;
update.move(x, y);
page->chrome().setWindowRect(adjustWindowRect(*page, update));
}
void DOMWindow::resizeBy(float x, float y) const
{
if (!allowedToChangeWindowGeometry())
return;
auto* page = frame()->page();
FloatRect fr = page->chrome().windowRect();
FloatSize dest = fr.size() + FloatSize(x, y);
FloatRect update(fr.location(), dest);
page->chrome().setWindowRect(adjustWindowRect(*page, update));
}
void DOMWindow::resizeTo(float width, float height) const
{
if (!allowedToChangeWindowGeometry())
return;
auto* page = frame()->page();
FloatRect fr = page->chrome().windowRect();
FloatSize dest = FloatSize(width, height);
FloatRect update(fr.location(), dest);
page->chrome().setWindowRect(adjustWindowRect(*page, update));
}
ExceptionOr<int> DOMWindow::setTimeout(JSC::JSGlobalObject& state, std::unique_ptr<ScheduledAction> action, int timeout, Vector<JSC::Strong<JSC::Unknown>>&& arguments)
{
auto* context = scriptExecutionContext();
if (!context)
return Exception { InvalidAccessError };
// FIXME: Should this check really happen here? Or should it happen when code is about to eval?
if (action->type() == ScheduledAction::Type::Code) {
if (!context->contentSecurityPolicy()->allowEval(&state))
return 0;
}
action->addArguments(WTFMove(arguments));
return DOMTimer::install(*context, WTFMove(action), Seconds::fromMilliseconds(timeout), true);
}
void DOMWindow::clearTimeout(int timeoutId)
{
ScriptExecutionContext* context = scriptExecutionContext();
if (!context)
return;
DOMTimer::removeById(*context, timeoutId);
}
ExceptionOr<int> DOMWindow::setInterval(JSC::JSGlobalObject& state, std::unique_ptr<ScheduledAction> action, int timeout, Vector<JSC::Strong<JSC::Unknown>>&& arguments)
{
auto* context = scriptExecutionContext();
if (!context)
return Exception { InvalidAccessError };
// FIXME: Should this check really happen here? Or should it happen when code is about to eval?
if (action->type() == ScheduledAction::Type::Code) {
if (!context->contentSecurityPolicy()->allowEval(&state))
return 0;
}
action->addArguments(WTFMove(arguments));
return DOMTimer::install(*context, WTFMove(action), Seconds::fromMilliseconds(timeout), false);
}
void DOMWindow::clearInterval(int timeoutId)
{
ScriptExecutionContext* context = scriptExecutionContext();
if (!context)
return;
DOMTimer::removeById(*context, timeoutId);
}
int DOMWindow::requestAnimationFrame(Ref<RequestAnimationFrameCallback>&& callback)
{
auto* document = this->document();
if (!document)
return 0;
return document->requestAnimationFrame(WTFMove(callback));
}
int DOMWindow::webkitRequestAnimationFrame(Ref<RequestAnimationFrameCallback>&& callback)
{
static bool firstTime = true;
if (firstTime && document()) {
document()->addConsoleMessage(MessageSource::JS, MessageLevel::Warning, "webkitRequestAnimationFrame() is deprecated and will be removed. Please use requestAnimationFrame() instead."_s);
firstTime = false;
}
return requestAnimationFrame(WTFMove(callback));
}
void DOMWindow::cancelAnimationFrame(int id)
{
auto* document = this->document();
if (!document)
return;
document->cancelAnimationFrame(id);
}
int DOMWindow::requestIdleCallback(Ref<IdleRequestCallback>&& callback, const IdleRequestOptions& options)
{
auto document = makeRefPtr(this->document());
if (!document)
return 0;
return document->requestIdleCallback(WTFMove(callback), Seconds::fromMilliseconds(options.timeout));
}
void DOMWindow::cancelIdleCallback(int id)
{
auto document = makeRefPtr(this->document());
if (!document)
return;
return document->cancelIdleCallback(id);
}
void DOMWindow::createImageBitmap(ImageBitmap::Source&& source, ImageBitmapOptions&& options, ImageBitmap::Promise&& promise)
{
auto* document = this->document();
if (!document) {
promise.reject(InvalidStateError);
return;
}
ImageBitmap::createPromise(*document, WTFMove(source), WTFMove(options), WTFMove(promise));
}
void DOMWindow::createImageBitmap(ImageBitmap::Source&& source, int sx, int sy, int sw, int sh, ImageBitmapOptions&& options, ImageBitmap::Promise&& promise)
{
auto* document = this->document();
if (!document) {
promise.reject(InvalidStateError);
return;
}
ImageBitmap::createPromise(*document, WTFMove(source), WTFMove(options), sx, sy, sw, sh, WTFMove(promise));
}
bool DOMWindow::isSecureContext() const
{
auto* document = this->document();
if (!document)
return false;
return document->isSecureContext();
}
static void didAddStorageEventListener(DOMWindow& window)
{
// Creating these WebCore::Storage objects informs the system that we'd like to receive
// notifications about storage events that might be triggered in other processes. Rather
// than subscribe to these notifications explicitly, we subscribe to them implicitly to
// simplify the work done by the system.
window.localStorage();
window.sessionStorage();
}
bool DOMWindow::isSameSecurityOriginAsMainFrame() const
{
auto* frame = this->frame();
if (!frame || !frame->page() || !document())
return false;
if (frame->isMainFrame())
return true;
Document* mainFrameDocument = frame->mainFrame().document();
if (mainFrameDocument && document()->securityOrigin().canAccess(mainFrameDocument->securityOrigin()))
return true;
return false;
}
bool DOMWindow::addEventListener(const AtomString& eventType, Ref<EventListener>&& listener, const AddEventListenerOptions& options)
{
if (!EventTarget::addEventListener(eventType, WTFMove(listener), options))
return false;
auto* document = this->document();
if (document) {
document->addListenerTypeIfNeeded(eventType);
if (eventNames().isWheelEventType(eventType))
document->didAddWheelEventHandler(*document);
else if (eventNames().isTouchRelatedEventType(*document, eventType))
document->didAddTouchEventHandler(*document);
else if (eventType == eventNames().storageEvent)
didAddStorageEventListener(*this);
}
if (eventType == eventNames().unloadEvent)
addUnloadEventListener(this);
else if (eventType == eventNames().beforeunloadEvent && allowsBeforeUnloadListeners(this))
addBeforeUnloadEventListener(this);
#if PLATFORM(IOS_FAMILY)
else if (eventType == eventNames().scrollEvent)
incrementScrollEventListenersCount();
#endif
#if ENABLE(IOS_TOUCH_EVENTS)
else if (document && eventNames().isTouchRelatedEventType(*document, eventType))
++m_touchAndGestureEventListenerCount;
#endif
#if ENABLE(IOS_GESTURE_EVENTS)
else if (eventNames().isGestureEventType(eventType))
++m_touchAndGestureEventListenerCount;
#endif
#if ENABLE(GAMEPAD)
else if (eventNames().isGamepadEventType(eventType))
incrementGamepadEventListenerCount();
#endif
#if ENABLE(DEVICE_ORIENTATION)
else if (eventType == eventNames().deviceorientationEvent)
startListeningForDeviceOrientationIfNecessary();
else if (eventType == eventNames().devicemotionEvent)
startListeningForDeviceMotionIfNecessary();
#endif
return true;
}
#if ENABLE(DEVICE_ORIENTATION)
DeviceOrientationController* DOMWindow::deviceOrientationController() const
{
#if PLATFORM(IOS_FAMILY)
return document() ? &document()->deviceOrientationController() : nullptr;
#else
return DeviceOrientationController::from(page());
#endif
}
DeviceMotionController* DOMWindow::deviceMotionController() const
{
#if PLATFORM(IOS_FAMILY)
return document() ? &document()->deviceMotionController() : nullptr;
#else
return DeviceMotionController::from(page());
#endif
}
bool DOMWindow::isAllowedToUseDeviceMotionOrientation(String& message) const
{
if (!frame() || !frame()->settings().deviceOrientationEventEnabled()) {
message = "API is disabled"_s;
return false;
}
if (!isSecureContext()) {
message = "Browsing context is not secure"_s;
return false;
}
if (!isSameSecurityOriginAsMainFrame()) {
message = "Source frame did not have the same security origin as the main page"_s;
return false;
}
return true;
}
bool DOMWindow::isAllowedToAddDeviceMotionOrientationListener(String& message) const
{
String innerMessage;
if (!isAllowedToUseDeviceMotionOrientation(innerMessage)) {
message = makeString("Blocked attempt to add a device motion or orientation event listener, reason: ", innerMessage, ".");
return false;
}
if (frame()->settings().deviceOrientationPermissionAPIEnabled()) {
auto accessState = document()->deviceOrientationAndMotionAccessController().accessState();
switch (accessState) {
case DeviceOrientationOrMotionPermissionState::Denied:
message = "No device motion or orientation events will be fired because permission to use the API was denied."_s;
return false;
case DeviceOrientationOrMotionPermissionState::Prompt:
message = "No device motion or orientation events will be fired until permission has been requested and granted."_s;
return false;
case DeviceOrientationOrMotionPermissionState::Granted:
break;
}
}
return true;
}
void DOMWindow::startListeningForDeviceOrientationIfNecessary()
{
if (!hasEventListeners(eventNames().deviceorientationEvent))
return;
auto* deviceController = deviceOrientationController();
if (!deviceController || deviceController->hasDeviceEventListener(*this))
return;
String errorMessage;
if (!isAllowedToAddDeviceMotionOrientationListener(errorMessage)) {
if (auto* document = this->document())
document->addConsoleMessage(MessageSource::JS, MessageLevel::Warning, errorMessage);
return;
}
deviceController->addDeviceEventListener(*this);
}
void DOMWindow::stopListeningForDeviceOrientationIfNecessary()
{
if (hasEventListeners(eventNames().deviceorientationEvent))
return;
if (auto* deviceController = deviceOrientationController())
deviceController->removeDeviceEventListener(*this);
}
void DOMWindow::startListeningForDeviceMotionIfNecessary()
{
if (!hasEventListeners(eventNames().devicemotionEvent))
return;
auto* deviceController = deviceMotionController();
if (!deviceController || deviceController->hasDeviceEventListener(*this))
return;
String errorMessage;
if (!isAllowedToAddDeviceMotionOrientationListener(errorMessage)) {
failedToRegisterDeviceMotionEventListener();
if (auto* document = this->document())
document->addConsoleMessage(MessageSource::JS, MessageLevel::Warning, errorMessage);
return;
}
deviceController->addDeviceEventListener(*this);
}
void DOMWindow::stopListeningForDeviceMotionIfNecessary()
{
if (hasEventListeners(eventNames().devicemotionEvent))
return;
if (auto* deviceController = deviceMotionController())
deviceController->removeDeviceEventListener(*this);
}
void DOMWindow::failedToRegisterDeviceMotionEventListener()
{
#if PLATFORM(IOS_FAMILY)
if (!isSameSecurityOriginAsMainFrame() || !isSecureContext())
return;
// FIXME: This is a quirk for chase.com on iPad (<rdar://problem/48423023>).
if (RegistrableDomain::uncheckedCreateFromRegistrableDomainString("chase.com"_s).matches(document()->url())) {
// Fire a fake DeviceMotionEvent with acceleration data to unblock the site's login flow.
document()->postTask([](auto& context) {
if (auto* window = downcast<Document>(context).domWindow()) {
auto acceleration = DeviceMotionData::Acceleration::create();
window->dispatchEvent(DeviceMotionEvent::create(eventNames().devicemotionEvent, DeviceMotionData::create(acceleration.copyRef(), acceleration.copyRef(), DeviceMotionData::RotationRate::create(), WTF::nullopt).ptr()));
}
});
}
#endif // PLATFORM(IOS_FAMILY)
}
#endif // ENABLE(DEVICE_ORIENTATION)
#if PLATFORM(IOS_FAMILY)
void DOMWindow::incrementScrollEventListenersCount()
{
Document* document = this->document();
if (++m_scrollEventListenerCount == 1 && document == &document->topDocument()) {
Frame* frame = this->frame();
if (frame && frame->page())
frame->page()->chrome().client().setNeedsScrollNotifications(*frame, true);
}
}
void DOMWindow::decrementScrollEventListenersCount()
{
Document* document = this->document();
if (!--m_scrollEventListenerCount && document == &document->topDocument()) {
Frame* frame = this->frame();
if (frame && frame->page() && document->backForwardCacheState() == Document::NotInBackForwardCache)
frame->page()->chrome().client().setNeedsScrollNotifications(*frame, false);
}
}
#endif
void DOMWindow::resetAllGeolocationPermission()
{
// FIXME: Can we remove the PLATFORM(IOS_FAMILY)-guard?
#if ENABLE(GEOLOCATION) && PLATFORM(IOS_FAMILY)
if (m_navigator)
NavigatorGeolocation::from(*m_navigator)->resetAllGeolocationPermission();
#endif
}
bool DOMWindow::removeEventListener(const AtomString& eventType, EventListener& listener, const ListenerOptions& options)
{
if (!EventTarget::removeEventListener(eventType, listener, options.capture))
return false;
auto* document = this->document();
if (document) {
if (eventNames().isWheelEventType(eventType))
document->didRemoveWheelEventHandler(*document);
else if (eventNames().isTouchRelatedEventType(*document, eventType))
document->didRemoveTouchEventHandler(*document);
}
if (eventType == eventNames().unloadEvent)
removeUnloadEventListener(this);
else if (eventType == eventNames().beforeunloadEvent && allowsBeforeUnloadListeners(this))
removeBeforeUnloadEventListener(this);
#if PLATFORM(IOS_FAMILY)
else if (eventType == eventNames().scrollEvent)
decrementScrollEventListenersCount();
#endif
#if ENABLE(IOS_TOUCH_EVENTS)
else if (document && eventNames().isTouchRelatedEventType(*document, eventType)) {
ASSERT(m_touchAndGestureEventListenerCount > 0);
--m_touchAndGestureEventListenerCount;
}
#endif
#if ENABLE(IOS_GESTURE_EVENTS)
else if (eventNames().isGestureEventType(eventType)) {
ASSERT(m_touchAndGestureEventListenerCount > 0);
--m_touchAndGestureEventListenerCount;
}
#endif
#if ENABLE(GAMEPAD)
else if (eventNames().isGamepadEventType(eventType))
decrementGamepadEventListenerCount();
#endif
#if ENABLE(DEVICE_ORIENTATION)
else if (eventType == eventNames().deviceorientationEvent)
stopListeningForDeviceOrientationIfNecessary();
else if (eventType == eventNames().devicemotionEvent)
stopListeningForDeviceMotionIfNecessary();
#endif
return true;
}
void DOMWindow::languagesChanged()
{
// https://html.spec.whatwg.org/multipage/system-state.html#dom-navigator-languages
if (auto document = makeRefPtr(this->document()))
document->queueTaskToDispatchEventOnWindow(TaskSource::DOMManipulation, Event::create(eventNames().languagechangeEvent, Event::CanBubble::No, Event::IsCancelable::No));
}
void DOMWindow::dispatchLoadEvent()
{
// If we did not protect it, the document loader and its timing subobject might get destroyed
// as a side effect of what event handling code does.
auto protectedThis = makeRef(*this);
auto protectedLoader = makeRefPtr(frame() ? frame()->loader().documentLoader() : nullptr);
bool shouldMarkLoadEventTimes = protectedLoader && !protectedLoader->timing().loadEventStart();
if (shouldMarkLoadEventTimes)
protectedLoader->timing().markLoadEventStart();
dispatchEvent(Event::create(eventNames().loadEvent, Event::CanBubble::No, Event::IsCancelable::No), document());
if (shouldMarkLoadEventTimes)
protectedLoader->timing().markLoadEventEnd();
// Send a separate load event to the element that owns this frame.
if (frame()) {
if (auto* owner = frame()->ownerElement())
owner->dispatchEvent(Event::create(eventNames().loadEvent, Event::CanBubble::No, Event::IsCancelable::No));
}
InspectorInstrumentation::loadEventFired(frame());
}
void DOMWindow::dispatchEvent(Event& event, EventTarget* target)
{
// FIXME: It's confusing to have both the inherited EventTarget::dispatchEvent function
// and this function, which does something nearly identical but subtly different if
// called with a target of null. Most callers pass the document as the target, though.
// Fixing this could allow us to remove the special case in DocumentEventQueue::dispatchEvent.
auto protectedThis = makeRef(*this);
// Pausing a page may trigger pagehide and pageshow events. WebCore also implicitly fires these
// events when closing a WebView. Here we keep track of the state of the page to prevent duplicate,
// unbalanced events per the definition of the pageshow event:
// <http://www.whatwg.org/specs/web-apps/current-work/multipage/history.html#event-pageshow>.
// FIXME: This code should go at call sites where pageshowEvent and pagehideEvents are
// generated, not here inside the event dispatching process.
if (event.eventInterface() == PageTransitionEventInterfaceType) {
if (event.type() == eventNames().pageshowEvent) {
if (m_lastPageStatus == PageStatus::Shown)
return; // Event was previously dispatched; do not fire a duplicate event.
m_lastPageStatus = PageStatus::Shown;
} else if (event.type() == eventNames().pagehideEvent) {
if (m_lastPageStatus == PageStatus::Hidden)
return; // Event was previously dispatched; do not fire a duplicate event.
m_lastPageStatus = PageStatus::Hidden;
}
}
// FIXME: It doesn't seem right to have the inspector instrumentation here since not all
// events dispatched to the window object are guaranteed to flow through this function.
// But the instrumentation prevents us from calling EventDispatcher::dispatchEvent here.
event.setTarget(target ? target : this);
event.setCurrentTarget(this);
event.setEventPhase(Event::AT_TARGET);
event.resetBeforeDispatch();
Frame* protectedFrame = nullptr;
bool hasListenersForEvent = false;
if (UNLIKELY(InspectorInstrumentation::hasFrontends())) {
protectedFrame = frame();
hasListenersForEvent = hasEventListeners(event.type());
if (hasListenersForEvent)
InspectorInstrumentation::willDispatchEventOnWindow(protectedFrame, event, *this);
}
// FIXME: We should use EventDispatcher everywhere.
fireEventListeners(event, EventInvokePhase::Capturing);
fireEventListeners(event, EventInvokePhase::Bubbling);
if (hasListenersForEvent)
InspectorInstrumentation::didDispatchEventOnWindow(protectedFrame, event);
event.resetAfterDispatch();
}
void DOMWindow::removeAllEventListeners()
{
EventTarget::removeAllEventListeners();
#if ENABLE(DEVICE_ORIENTATION)
stopListeningForDeviceOrientationIfNecessary();
stopListeningForDeviceMotionIfNecessary();
#endif
#if PLATFORM(IOS_FAMILY)
if (m_scrollEventListenerCount) {
m_scrollEventListenerCount = 1;
decrementScrollEventListenersCount();
}
#endif
#if ENABLE(IOS_TOUCH_EVENTS) || ENABLE(IOS_GESTURE_EVENTS)
m_touchAndGestureEventListenerCount = 0;
#endif
#if ENABLE(TOUCH_EVENTS)
if (Document* document = this->document())
document->didRemoveEventTargetNode(*document);
#endif
if (m_performance) {
m_performance->removeAllEventListeners();
m_performance->removeAllObservers();
}
removeAllUnloadEventListeners(this);
removeAllBeforeUnloadEventListeners(this);
}
void DOMWindow::captureEvents()
{
// Not implemented.
}
void DOMWindow::releaseEvents()
{
// Not implemented.
}
void DOMWindow::finishedLoading()
{
if (m_shouldPrintWhenFinishedLoading) {
m_shouldPrintWhenFinishedLoading = false;
if (frame()->loader().activeDocumentLoader()->mainDocumentError().isNull())
print();
}
}
void DOMWindow::setLocation(DOMWindow& activeWindow, const URL& completedURL, SetLocationLocking locking)
{
if (!isCurrentlyDisplayedInFrame())
return;
Document* activeDocument = activeWindow.document();
if (!activeDocument)
return;
auto* frame = this->frame();
if (!activeDocument->canNavigate(frame, completedURL))
return;
if (isInsecureScriptAccess(activeWindow, completedURL))
return;
// We want a new history item if we are processing a user gesture.
LockHistory lockHistory = (locking != LockHistoryBasedOnGestureState || !UserGestureIndicator::processingUserGesture()) ? LockHistory::Yes : LockHistory::No;
LockBackForwardList lockBackForwardList = (locking != LockHistoryBasedOnGestureState) ? LockBackForwardList::Yes : LockBackForwardList::No;
frame->navigationScheduler().scheduleLocationChange(*activeDocument, activeDocument->securityOrigin(),
// FIXME: What if activeDocument()->frame() is 0?
completedURL, activeDocument->frame()->loader().outgoingReferrer(),
lockHistory, lockBackForwardList);
}
void DOMWindow::printErrorMessage(const String& message)
{
if (message.isEmpty())
return;
if (PageConsoleClient* pageConsole = console())
pageConsole->addMessage(MessageSource::JS, MessageLevel::Error, message);
}
String DOMWindow::crossDomainAccessErrorMessage(const DOMWindow& activeWindow, IncludeTargetOrigin includeTargetOrigin)
{
const URL& activeWindowURL = activeWindow.document()->url();
if (activeWindowURL.isNull())
return String();
ASSERT(!activeWindow.document()->securityOrigin().canAccess(document()->securityOrigin()));
// FIXME: This message, and other console messages, have extra newlines. Should remove them.
SecurityOrigin& activeOrigin = activeWindow.document()->securityOrigin();
SecurityOrigin& targetOrigin = document()->securityOrigin();
String message;
if (includeTargetOrigin == IncludeTargetOrigin::Yes)
message = makeString("Blocked a frame with origin \"", activeOrigin.toString(), "\" from accessing a frame with origin \"", targetOrigin.toString(), "\". ");
else
message = makeString("Blocked a frame with origin \"", activeOrigin.toString(), "\" from accessing a cross-origin frame. ");
// Sandbox errors: Use the origin of the frames' location, rather than their actual origin (since we know that at least one will be "null").
URL activeURL = activeWindow.document()->url();
URL targetURL = document()->url();
if (document()->isSandboxed(SandboxOrigin) || activeWindow.document()->isSandboxed(SandboxOrigin)) {
if (includeTargetOrigin == IncludeTargetOrigin::Yes)
message = makeString("Blocked a frame at \"", SecurityOrigin::create(activeURL).get().toString(), "\" from accessing a frame at \"", SecurityOrigin::create(targetURL).get().toString(), "\". ");
else
message = makeString("Blocked a frame at \"", SecurityOrigin::create(activeURL).get().toString(), "\" from accessing a cross-origin frame. ");
if (document()->isSandboxed(SandboxOrigin) && activeWindow.document()->isSandboxed(SandboxOrigin))
return makeString("Sandbox access violation: ", message, " Both frames are sandboxed and lack the \"allow-same-origin\" flag.");
if (document()->isSandboxed(SandboxOrigin))
return makeString("Sandbox access violation: ", message, " The frame being accessed is sandboxed and lacks the \"allow-same-origin\" flag.");
return makeString("Sandbox access violation: ", message, " The frame requesting access is sandboxed and lacks the \"allow-same-origin\" flag.");
}
if (includeTargetOrigin == IncludeTargetOrigin::Yes) {
// Protocol errors: Use the URL's protocol rather than the origin's protocol so that we get a useful message for non-heirarchal URLs like 'data:'.
if (targetOrigin.protocol() != activeOrigin.protocol())
return message + " The frame requesting access has a protocol of \"" + activeURL.protocol() + "\", the frame being accessed has a protocol of \"" + targetURL.protocol() + "\". Protocols must match.\n";
// 'document.domain' errors.
if (targetOrigin.domainWasSetInDOM() && activeOrigin.domainWasSetInDOM())
return message + "The frame requesting access set \"document.domain\" to \"" + activeOrigin.domain() + "\", the frame being accessed set it to \"" + targetOrigin.domain() + "\". Both must set \"document.domain\" to the same value to allow access.";
if (activeOrigin.domainWasSetInDOM())
return message + "The frame requesting access set \"document.domain\" to \"" + activeOrigin.domain() + "\", but the frame being accessed did not. Both must set \"document.domain\" to the same value to allow access.";
if (targetOrigin.domainWasSetInDOM())
return message + "The frame being accessed set \"document.domain\" to \"" + targetOrigin.domain() + "\", but the frame requesting access did not. Both must set \"document.domain\" to the same value to allow access.";
}
// Default.
return message + "Protocols, domains, and ports must match.";
}
bool DOMWindow::isInsecureScriptAccess(DOMWindow& activeWindow, const String& urlString)
{
if (!WTF::protocolIsJavaScript(urlString))
return false;
// If this DOMWindow isn't currently active in the Frame, then there's no
// way we should allow the access.
// FIXME: Remove this check if we're able to disconnect DOMWindow from
// Frame on navigation: https://bugs.webkit.org/show_bug.cgi?id=62054
if (isCurrentlyDisplayedInFrame()) {
// FIXME: Is there some way to eliminate the need for a separate "activeWindow == this" check?
if (&activeWindow == this)
return false;
// FIXME: The name canAccess seems to be a roundabout way to ask "can execute script".
// Can we name the SecurityOrigin function better to make this more clear?
if (activeWindow.document()->securityOrigin().canAccess(document()->securityOrigin()))
return false;
}
printErrorMessage(crossDomainAccessErrorMessage(activeWindow, IncludeTargetOrigin::Yes));
return true;
}
ExceptionOr<RefPtr<Frame>> DOMWindow::createWindow(const String& urlString, const AtomString& frameName, const WindowFeatures& windowFeatures, DOMWindow& activeWindow, Frame& firstFrame, Frame& openerFrame, const WTF::Function<void(DOMWindow&)>& prepareDialogFunction)
{
Frame* activeFrame = activeWindow.frame();
if (!activeFrame)
return RefPtr<Frame> { nullptr };
Document* activeDocument = activeWindow.document();
if (!activeDocument)
return RefPtr<Frame> { nullptr };
URL completedURL = urlString.isEmpty() ? URL({ }, emptyString()) : firstFrame.document()->completeURL(urlString);
if (!completedURL.isEmpty() && !completedURL.isValid())
return Exception { SyntaxError };
// For whatever reason, Firefox uses the first frame to determine the outgoingReferrer. We replicate that behavior here.
String referrer = windowFeatures.noreferrer ? String() : SecurityPolicy::generateReferrerHeader(firstFrame.document()->referrerPolicy(), completedURL, firstFrame.loader().outgoingReferrer());
auto initiatedByMainFrame = activeFrame->isMainFrame() ? InitiatedByMainFrame::Yes : InitiatedByMainFrame::Unknown;
ResourceRequest resourceRequest { completedURL, referrer };
FrameLoadRequest frameLoadRequest { *activeDocument, activeDocument->securityOrigin(), resourceRequest, frameName, LockHistory::No, LockBackForwardList::No, MaybeSendReferrer, AllowNavigationToInvalidURL::Yes, NewFrameOpenerPolicy::Allow, activeDocument->shouldOpenExternalURLsPolicyToPropagate(), initiatedByMainFrame };
// We pass the opener frame for the lookupFrame in case the active frame is different from
// the opener frame, and the name references a frame relative to the opener frame.
bool created;
auto newFrame = WebCore::createWindow(*activeFrame, openerFrame, WTFMove(frameLoadRequest), windowFeatures, created);
if (!newFrame)
return RefPtr<Frame> { nullptr };
bool noopener = windowFeatures.noopener || windowFeatures.noreferrer;
if (!noopener)
newFrame->loader().setOpener(&openerFrame);
if (created)
newFrame->page()->setOpenedByDOM();
if (newFrame->document()->domWindow()->isInsecureScriptAccess(activeWindow, completedURL))
return noopener ? RefPtr<Frame> { nullptr } : newFrame;
if (prepareDialogFunction)
prepareDialogFunction(*newFrame->document()->domWindow());
if (created) {
ResourceRequest resourceRequest { completedURL, referrer, ResourceRequestCachePolicy::UseProtocolCachePolicy };
FrameLoader::addSameSiteInfoToRequestIfNeeded(resourceRequest, openerFrame.document());
FrameLoadRequest frameLoadRequest { *activeWindow.document(), activeWindow.document()->securityOrigin(), resourceRequest, "_self"_s, LockHistory::No, LockBackForwardList::No, MaybeSendReferrer, AllowNavigationToInvalidURL::Yes, NewFrameOpenerPolicy::Allow, activeDocument->shouldOpenExternalURLsPolicyToPropagate(), initiatedByMainFrame };
newFrame->loader().changeLocation(WTFMove(frameLoadRequest));
} else if (!urlString.isEmpty()) {
LockHistory lockHistory = UserGestureIndicator::processingUserGesture() ? LockHistory::No : LockHistory::Yes;
newFrame->navigationScheduler().scheduleLocationChange(*activeDocument, activeDocument->securityOrigin(), completedURL, referrer, lockHistory, LockBackForwardList::No);
}
// Navigating the new frame could result in it being detached from its page by a navigation policy delegate.
if (!newFrame->page())
return RefPtr<Frame> { nullptr };
return noopener ? RefPtr<Frame> { nullptr } : newFrame;
}
ExceptionOr<RefPtr<WindowProxy>> DOMWindow::open(DOMWindow& activeWindow, DOMWindow& firstWindow, const String& urlStringToOpen, const AtomString& frameName, const String& windowFeaturesString)
{
if (!isCurrentlyDisplayedInFrame())
return RefPtr<WindowProxy> { nullptr };
auto* activeDocument = activeWindow.document();
if (!activeDocument)
return RefPtr<WindowProxy> { nullptr };
auto* firstFrame = firstWindow.frame();
if (!firstFrame)
return RefPtr<WindowProxy> { nullptr };
auto urlString = urlStringToOpen;
if (activeDocument->quirks().shouldOpenAsAboutBlank(urlStringToOpen))
urlString = "about:blank"_s;
#if ENABLE(CONTENT_EXTENSIONS)
if (firstFrame->document()
&& firstFrame->page()
&& firstFrame->mainFrame().document()
&& firstFrame->mainFrame().document()->loader()) {
auto results = firstFrame->page()->userContentProvider().processContentRuleListsForLoad(firstFrame->document()->completeURL(urlString), ContentExtensions::ResourceType::Popup, *firstFrame->mainFrame().document()->loader());
if (results.summary.blockedLoad)
return RefPtr<WindowProxy> { nullptr };
}
#endif
auto* frame = this->frame();
if (!firstWindow.allowPopUp()) {
// Because FrameTree::findFrameForNavigation() returns true for empty strings, we must check for empty frame names.
// Otherwise, illegitimate window.open() calls with no name will pass right through the popup blocker.
if (frameName.isEmpty() || !frame->loader().findFrameForNavigation(frameName, activeDocument))
return RefPtr<WindowProxy> { nullptr };
}
// Get the target frame for the special cases of _top and _parent.
// In those cases, we schedule a location change right now and return early.
Frame* targetFrame = nullptr;
if (equalIgnoringASCIICase(frameName, "_top"))
targetFrame = &frame->tree().top();
else if (equalIgnoringASCIICase(frameName, "_parent")) {
if (Frame* parent = frame->tree().parent())
targetFrame = parent;
else
targetFrame = frame;
}
if (targetFrame) {
if (!activeDocument->canNavigate(targetFrame))
return RefPtr<WindowProxy> { nullptr };
URL completedURL = firstFrame->document()->completeURL(urlString);
if (targetFrame->document()->domWindow()->isInsecureScriptAccess(activeWindow, completedURL))
return &targetFrame->windowProxy();
if (urlString.isEmpty())
return &targetFrame->windowProxy();
// For whatever reason, Firefox uses the first window rather than the active window to
// determine the outgoing referrer. We replicate that behavior here.
LockHistory lockHistory = UserGestureIndicator::processingUserGesture() ? LockHistory::No : LockHistory::Yes;
targetFrame->navigationScheduler().scheduleLocationChange(*activeDocument, activeDocument->securityOrigin(), completedURL, firstFrame->loader().outgoingReferrer(),
lockHistory, LockBackForwardList::No);
return &targetFrame->windowProxy();
}
auto newFrameOrException = createWindow(urlString, frameName, parseWindowFeatures(windowFeaturesString), activeWindow, *firstFrame, *frame);
if (newFrameOrException.hasException())
return newFrameOrException.releaseException();
auto newFrame = newFrameOrException.releaseReturnValue();
return newFrame ? &newFrame->windowProxy() : RefPtr<WindowProxy> { nullptr };
}
void DOMWindow::showModalDialog(const String& urlString, const String& dialogFeaturesString, DOMWindow& activeWindow, DOMWindow& firstWindow, const WTF::Function<void (DOMWindow&)>& prepareDialogFunction)
{
if (!isCurrentlyDisplayedInFrame())
return;
if (!activeWindow.frame())
return;
Frame* firstFrame = firstWindow.frame();
if (!firstFrame)
return;
auto* frame = this->frame();
auto* page = frame->page();
if (!page)
return;
if (!page->arePromptsAllowed()) {
printErrorMessage("Use of window.showModalDialog is not allowed while unloading a page.");
return;
}
if (!canShowModalDialog(*frame) || !firstWindow.allowPopUp())
return;
auto dialogFrameOrException = createWindow(urlString, emptyAtom(), parseDialogFeatures(dialogFeaturesString, screenAvailableRect(frame->view())), activeWindow, *firstFrame, *frame, prepareDialogFunction);
if (dialogFrameOrException.hasException())
return;
RefPtr<Frame> dialogFrame = dialogFrameOrException.releaseReturnValue();
if (!dialogFrame)
return;
dialogFrame->page()->chrome().runModal();
}
void DOMWindow::enableSuddenTermination()
{
if (Page* page = this->page())
page->chrome().enableSuddenTermination();
}
void DOMWindow::disableSuddenTermination()
{
if (Page* page = this->page())
page->chrome().disableSuddenTermination();
}
Frame* DOMWindow::frame() const
{
auto* document = this->document();
return document ? document->frame() : nullptr;
}
} // namespace WebCore