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Page.cpp
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Page.cpp
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/*
* Copyright (C) 2006-2020 Apple Inc. All rights reserved.
* Copyright (C) 2008 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
*
* 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 "Page.h"
#include "ActivityStateChangeObserver.h"
#include "AdvancedPrivacyProtections.h"
#include "AlternativeTextClient.h"
#include "AnimationFrameRate.h"
#include "AppHighlightStorage.h"
#include "ApplicationCacheStorage.h"
#include "ArchiveResource.h"
#include "AttachmentElementClient.h"
#include "AuthenticatorCoordinator.h"
#include "AuthenticatorCoordinatorClient.h"
#include "BackForwardCache.h"
#include "BackForwardClient.h"
#include "BackForwardController.h"
#include "BadgeClient.h"
#include "BroadcastChannelRegistry.h"
#include "CacheStorageProvider.h"
#include "CachedImage.h"
#include "CachedResourceLoader.h"
#include "Chrome.h"
#include "ChromeClient.h"
#include "CommonAtomStrings.h"
#include "CommonVM.h"
#include "ConstantPropertyMap.h"
#include "ContextMenuClient.h"
#include "ContextMenuController.h"
#include "CookieJar.h"
#include "CryptoClient.h"
#include "DOMRect.h"
#include "DOMRectList.h"
#include "DatabaseProvider.h"
#include "DebugOverlayRegions.h"
#include "DebugPageOverlays.h"
#include "DiagnosticLoggingClient.h"
#include "DiagnosticLoggingKeys.h"
#include "DisplayRefreshMonitorManager.h"
#include "DocumentInlines.h"
#include "DocumentLoader.h"
#include "DocumentMarkerController.h"
#include "DocumentTimelinesController.h"
#include "DragController.h"
#include "Editing.h"
#include "Editor.h"
#include "EditorClient.h"
#include "ElementTargetingController.h"
#include "EmptyClients.h"
#include "Event.h"
#include "EventHandler.h"
#include "EventLoop.h"
#include "EventNames.h"
#include "ExtensionStyleSheets.h"
#include "FilterRenderingMode.h"
#include "FocusController.h"
#include "FontCache.h"
#include "FragmentDirectiveGenerator.h"
#include "FrameLoader.h"
#include "FrameSelection.h"
#include "FrameTree.h"
#include "FullscreenManager.h"
#include "GeolocationController.h"
#include "HTMLElement.h"
#include "HTMLImageElement.h"
#include "HTMLMediaElement.h"
#include "HTMLTextAreaElement.h"
#include "HTMLTextFormControlElement.h"
#include "HistoryController.h"
#include "HistoryItem.h"
#include "IDBConnectionToServer.h"
#include "ImageAnalysisQueue.h"
#include "ImageOverlay.h"
#include "ImageOverlayController.h"
#include "InspectorClient.h"
#include "InspectorController.h"
#include "InspectorInstrumentation.h"
#include "LayoutDisallowedScope.h"
#include "LegacySchemeRegistry.h"
#include "LoaderStrategy.h"
#include "LocalFrameLoaderClient.h"
#include "LocalFrameView.h"
#include "LogInitialization.h"
#include "Logging.h"
#include "LowPowerModeNotifier.h"
#include "MediaCanStartListener.h"
#include "MediaRecorderProvider.h"
#include "MemoryCache.h"
#include "ModelPlayerProvider.h"
#include "NavigationScheduler.h"
#include "Navigator.h"
#include "NavigatorGamepad.h"
#include "OpportunisticTaskScheduler.h"
#include "PageColorSampler.h"
#include "PageConfiguration.h"
#include "PageConsoleClient.h"
#include "PageDebuggable.h"
#include "PageGroup.h"
#include "PageOverlayController.h"
#include "PaymentCoordinator.h"
#include "PerformanceLogging.h"
#include "PerformanceLoggingClient.h"
#include "PerformanceMonitor.h"
#include "PlatformMediaSessionManager.h"
#include "PlatformScreen.h"
#include "PlatformStrategies.h"
#include "PluginData.h"
#include "PluginInfoProvider.h"
#include "PluginViewBase.h"
#include "PointerCaptureController.h"
#include "PointerLockController.h"
#include "ProgressTracker.h"
#include "Range.h"
#include "RemoteFrame.h"
#include "RenderDescendantIterator.h"
#include "RenderImage.h"
#include "RenderLayerCompositor.h"
#include "RenderTheme.h"
#include "RenderView.h"
#include "RenderWidget.h"
#include "RenderingUpdateScheduler.h"
#include "ResizeObserver.h"
#include "ResourceUsageOverlay.h"
#include "SVGDocumentExtensions.h"
#include "SVGImage.h"
#include "ScreenOrientationManager.h"
#include "ScriptController.h"
#include "ScriptDisallowedScope.h"
#include "ScriptRunner.h"
#include "ScriptedAnimationController.h"
#include "ScrollLatchingController.h"
#include "ScrollingCoordinator.h"
#include "ServiceWorkerGlobalScope.h"
#include "Settings.h"
#include "SharedBuffer.h"
#include "SocketProvider.h"
#include "SpeechRecognitionProvider.h"
#include "SpeechSynthesisClient.h"
#include "StorageArea.h"
#include "StorageNamespace.h"
#include "StorageNamespaceProvider.h"
#include "StorageProvider.h"
#include "StyleAdjuster.h"
#include "StyleResolver.h"
#include "StyleScope.h"
#include "SubframeLoader.h"
#include "SubresourceLoader.h"
#include "TextExtraction.h"
#include "TextIterator.h"
#include "TextRecognitionResult.h"
#include "TextResourceDecoder.h"
#include "ThermalMitigationNotifier.h"
#include "UserContentProvider.h"
#include "UserContentURLPattern.h"
#include "UserScript.h"
#include "UserStyleSheet.h"
#include "ValidationMessageClient.h"
#include "VisibilityState.h"
#include "VisitedLinkState.h"
#include "VisitedLinkStore.h"
#include "VoidCallback.h"
#include "WebCoreJSClientData.h"
#include "WebRTCProvider.h"
#include "WheelEventDeltaFilter.h"
#include "WheelEventTestMonitor.h"
#include "Widget.h"
#include "WindowEventLoop.h"
#include "WorkerOrWorkletScriptController.h"
#include <JavaScriptCore/VM.h>
#include <wtf/FileSystem.h>
#include <wtf/RefCountedLeakCounter.h>
#include <wtf/StdLibExtras.h>
#include <wtf/SystemTracing.h>
#include <wtf/text/Base64.h>
#include <wtf/text/MakeString.h>
#include <wtf/text/StringHash.h>
#include <wtf/text/TextStream.h>
#if ENABLE(APPLE_PAY_AMS_UI)
#include "ApplePayAMSUIPaymentHandler.h"
#endif
#if ENABLE(WIRELESS_PLAYBACK_TARGET)
#include "HTMLVideoElement.h"
#include "MediaPlaybackTarget.h"
#endif
#if PLATFORM(MAC)
#include "ServicesOverlayController.h"
#endif
#if ENABLE(MEDIA_SESSION_COORDINATOR)
#include "MediaSessionCoordinator.h"
#include "NavigatorMediaSession.h"
#endif
#if USE(ATSPI)
#include "AccessibilityRootAtspi.h"
#endif
#if ENABLE(WRITING_TOOLS)
#include "WritingToolsController.h"
#endif
#if ENABLE(WEBXR)
#include "NavigatorWebXR.h"
#include "WebXRSession.h"
#include "WebXRSystem.h"
#endif
namespace WebCore {
static HashSet<SingleThreadWeakRef<Page>>& allPages()
{
static NeverDestroyed<HashSet<SingleThreadWeakRef<Page>>> set;
return set;
}
static unsigned gNonUtilityPageCount { 0 };
static inline bool isUtilityPageChromeClient(ChromeClient& chromeClient)
{
return chromeClient.isEmptyChromeClient() || chromeClient.isSVGImageChromeClient();
}
unsigned Page::nonUtilityPageCount()
{
return gNonUtilityPageCount;
}
DEFINE_DEBUG_ONLY_GLOBAL(WTF::RefCountedLeakCounter, pageCounter, ("Page"));
void Page::forEachPage(const Function<void(Page&)>& function)
{
for (auto& page : allPages())
function(Ref { page.get() });
}
void Page::updateValidationBubbleStateIfNeeded()
{
if (auto* client = validationMessageClient())
client->updateValidationBubbleStateIfNeeded();
}
void Page::scheduleValidationMessageUpdate(ValidatedFormListedElement& element, HTMLElement& anchor)
{
m_validationMessageUpdates.append({ element, anchor });
}
void Page::updateValidationMessages()
{
for (auto& item : std::exchange(m_validationMessageUpdates, { })) {
if (RefPtr anchor = item.second.get())
item.first->updateVisibleValidationMessage(*anchor);
}
}
static void networkStateChanged(bool isOnLine)
{
Vector<WeakPtr<LocalFrame>> frames;
// Get all the frames of all the pages in all the page groups
for (auto& page : allPages()) {
for (auto* frame = &page->mainFrame(); frame; frame = frame->tree().traverseNext()) {
if (auto* localFrame = dynamicDowncast<LocalFrame>(frame))
frames.append(*localFrame);
}
InspectorInstrumentation::networkStateChanged(Ref { page.get() });
}
auto& eventName = isOnLine ? eventNames().onlineEvent : eventNames().offlineEvent;
for (auto& frame : frames) {
if (RefPtr document = frame ? frame->document() : nullptr)
document->dispatchWindowEvent(Event::create(eventName, Event::CanBubble::No, Event::IsCancelable::No));
}
}
static constexpr OptionSet<ActivityState> pageInitialActivityState()
{
return { ActivityState::IsVisible, ActivityState::IsInWindow };
}
// FIXME: workaround for GCC bug https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115135
#if COMPILER(GCC) && CPU(ARM64)
#define GCC_MAYBE_NO_INLINE NEVER_INLINE
#else
#define GCC_MAYBE_NO_INLINE
#endif
GCC_MAYBE_NO_INLINE static Ref<Frame> createMainFrame(Page& page, PageConfiguration::ClientCreatorForMainFrame&& clientCreator, RefPtr<Frame> mainFrameOpener, FrameIdentifier identifier)
{
page.relaxAdoptionRequirement();
return switchOn(WTFMove(clientCreator), [&] (CompletionHandler<UniqueRef<LocalFrameLoaderClient>(LocalFrame&)>&& localFrameClientCreator) -> Ref<Frame> {
return LocalFrame::createMainFrame(page, WTFMove(localFrameClientCreator), identifier, mainFrameOpener.get());
}, [&] (CompletionHandler<UniqueRef<RemoteFrameClient>(RemoteFrame&)>&& remoteFrameClientCreator) -> Ref<Frame> {
return RemoteFrame::createMainFrame(page, WTFMove(remoteFrameClientCreator), identifier, mainFrameOpener.get());
});
}
Ref<Page> Page::create(PageConfiguration&& pageConfiguration)
{
return adoptRef(*new Page(WTFMove(pageConfiguration)));
}
Page::Page(PageConfiguration&& pageConfiguration)
: m_identifier(pageConfiguration.identifier)
, m_chrome(makeUniqueRef<Chrome>(*this, WTFMove(pageConfiguration.chromeClient)))
, m_dragCaretController(makeUniqueRef<DragCaretController>())
#if ENABLE(DRAG_SUPPORT)
, m_dragController(makeUniqueRef<DragController>(*this, WTFMove(pageConfiguration.dragClient)))
#endif
, m_focusController(makeUnique<FocusController>(*this, pageInitialActivityState()))
#if ENABLE(CONTEXT_MENUS)
, m_contextMenuController(makeUniqueRef<ContextMenuController>(*this, WTFMove(pageConfiguration.contextMenuClient)))
#endif
, m_inspectorController(makeUniqueRef<InspectorController>(*this, WTFMove(pageConfiguration.inspectorClient)))
, m_pointerCaptureController(makeUniqueRef<PointerCaptureController>(*this))
#if ENABLE(POINTER_LOCK)
, m_pointerLockController(makeUniqueRef<PointerLockController>(*this))
#endif
, m_elementTargetingController(makeUniqueRef<ElementTargetingController>(*this))
, m_settings(Settings::create(this))
, m_cryptoClient(WTFMove(pageConfiguration.cryptoClient))
, m_progress(makeUniqueRef<ProgressTracker>(*this, WTFMove(pageConfiguration.progressTrackerClient)))
, m_backForwardController(makeUniqueRef<BackForwardController>(*this, WTFMove(pageConfiguration.backForwardClient)))
, m_editorClient(WTFMove(pageConfiguration.editorClient))
, m_mainFrame(createMainFrame(*this, WTFMove(pageConfiguration.clientCreatorForMainFrame), WTFMove(pageConfiguration.mainFrameOpener), pageConfiguration.mainFrameIdentifier))
, m_validationMessageClient(WTFMove(pageConfiguration.validationMessageClient))
, m_diagnosticLoggingClient(WTFMove(pageConfiguration.diagnosticLoggingClient))
, m_performanceLoggingClient(WTFMove(pageConfiguration.performanceLoggingClient))
#if ENABLE(SPEECH_SYNTHESIS)
, m_speechSynthesisClient(WTFMove(pageConfiguration.speechSynthesisClient))
#endif
, m_speechRecognitionProvider((WTFMove(pageConfiguration.speechRecognitionProvider)))
, m_mediaRecorderProvider((WTFMove(pageConfiguration.mediaRecorderProvider)))
, m_webRTCProvider(WTFMove(pageConfiguration.webRTCProvider))
, m_rtcController(RTCController::create())
#if PLATFORM(IOS_FAMILY)
, m_canShowWhileLocked(pageConfiguration.canShowWhileLocked)
#endif
, m_domTimerAlignmentInterval(DOMTimer::defaultAlignmentInterval())
, m_domTimerAlignmentIntervalIncreaseTimer(*this, &Page::domTimerAlignmentIntervalIncreaseTimerFired)
, m_activityState(pageInitialActivityState())
, m_alternativeTextClient(WTFMove(pageConfiguration.alternativeTextClient))
, m_consoleClient(makeUniqueRef<PageConsoleClient>(*this))
#if ENABLE(REMOTE_INSPECTOR)
, m_inspectorDebuggable(makeUniqueRef<PageDebuggable>(*this))
#endif
, m_socketProvider(WTFMove(pageConfiguration.socketProvider))
, m_cookieJar(WTFMove(pageConfiguration.cookieJar))
, m_applicationCacheStorage(WTFMove(pageConfiguration.applicationCacheStorage))
, m_cacheStorageProvider(WTFMove(pageConfiguration.cacheStorageProvider))
, m_databaseProvider(*WTFMove(pageConfiguration.databaseProvider))
, m_pluginInfoProvider(*WTFMove(pageConfiguration.pluginInfoProvider))
, m_storageNamespaceProvider(*WTFMove(pageConfiguration.storageNamespaceProvider))
, m_userContentProvider(WTFMove(pageConfiguration.userContentProvider))
, m_screenOrientationManager(WTFMove(pageConfiguration.screenOrientationManager))
, m_visitedLinkStore(*WTFMove(pageConfiguration.visitedLinkStore))
, m_broadcastChannelRegistry(WTFMove(pageConfiguration.broadcastChannelRegistry))
, m_sessionID(pageConfiguration.sessionID)
#if ENABLE(VIDEO)
, m_playbackControlsManagerUpdateTimer(*this, &Page::playbackControlsManagerUpdateTimerFired)
#endif
, m_isUtilityPage(isUtilityPageChromeClient(chrome().client()))
, m_performanceMonitor(isUtilityPage() ? nullptr : makeUnique<PerformanceMonitor>(*this))
, m_lowPowerModeNotifier(makeUnique<LowPowerModeNotifier>([this](bool isLowPowerModeEnabled) { handleLowPowerModeChange(isLowPowerModeEnabled); }))
, m_thermalMitigationNotifier(makeUnique<ThermalMitigationNotifier>([this](bool thermalMitigationEnabled) { handleThermalMitigationChange(thermalMitigationEnabled); }))
, m_performanceLogging(makeUnique<PerformanceLogging>(*this))
#if PLATFORM(MAC) && (ENABLE(SERVICE_CONTROLS) || ENABLE(TELEPHONE_NUMBER_DETECTION))
, m_servicesOverlayController(makeUnique<ServicesOverlayController>(*this))
#endif
, m_recentWheelEventDeltaFilter(WheelEventDeltaFilter::create())
, m_pageOverlayController(makeUnique<PageOverlayController>(*this))
#if ENABLE(APPLE_PAY)
, m_paymentCoordinator(makeUnique<PaymentCoordinator>(WTFMove(pageConfiguration.paymentCoordinatorClient)))
#endif
#if ENABLE(WEB_AUTHN)
, m_authenticatorCoordinator(makeUniqueRef<AuthenticatorCoordinator>(WTFMove(pageConfiguration.authenticatorCoordinatorClient)))
#endif
#if ENABLE(APPLICATION_MANIFEST)
, m_applicationManifest(pageConfiguration.applicationManifest)
#endif
#if ENABLE(DEVICE_ORIENTATION) && PLATFORM(IOS_FAMILY)
, m_deviceOrientationUpdateProvider(WTFMove(pageConfiguration.deviceOrientationUpdateProvider))
#endif
, m_corsDisablingPatterns(WTFMove(pageConfiguration.corsDisablingPatterns))
, m_maskedURLSchemes(WTFMove(pageConfiguration.maskedURLSchemes))
, m_allowedNetworkHosts(WTFMove(pageConfiguration.allowedNetworkHosts))
, m_loadsSubresources(pageConfiguration.loadsSubresources)
, m_shouldRelaxThirdPartyCookieBlocking(pageConfiguration.shouldRelaxThirdPartyCookieBlocking)
, m_httpsUpgradeEnabled(pageConfiguration.httpsUpgradeEnabled)
, m_portsForUpgradingInsecureSchemeForTesting(WTFMove(pageConfiguration.portsForUpgradingInsecureSchemeForTesting))
, m_storageProvider(WTFMove(pageConfiguration.storageProvider))
, m_modelPlayerProvider(WTFMove(pageConfiguration.modelPlayerProvider))
#if ENABLE(ATTACHMENT_ELEMENT)
, m_attachmentElementClient(WTFMove(pageConfiguration.attachmentElementClient))
#endif
, m_opportunisticTaskScheduler(OpportunisticTaskScheduler::create(*this))
, m_contentSecurityPolicyModeForExtension(WTFMove(pageConfiguration.contentSecurityPolicyModeForExtension))
, m_badgeClient(WTFMove(pageConfiguration.badgeClient))
, m_historyItemClient(WTFMove(pageConfiguration.historyItemClient))
#if ENABLE(WRITING_TOOLS)
, m_writingToolsController(makeUniqueRef<WritingToolsController>(*this))
#endif
, m_activeNowPlayingSessionUpdateTimer(*this, &Page::activeNowPlayingSessionUpdateTimerFired)
{
updateTimerThrottlingState();
protectedPluginInfoProvider()->addPage(*this);
protectedUserContentProvider()->addPage(*this);
protectedVisitedLinkStore()->addPage(*this);
static bool firstTimeInitializationRan = false;
if (!firstTimeInitializationRan) {
firstTimeInitialization();
firstTimeInitializationRan = true;
}
ASSERT(!allPages().contains(*this));
allPages().add(*this);
if (!isUtilityPage()) {
++gNonUtilityPageCount;
MemoryPressureHandler::setPageCount(gNonUtilityPageCount);
}
#ifndef NDEBUG
pageCounter.increment();
#endif
protectedStorageNamespaceProvider()->setSessionStorageQuota(m_settings->sessionStorageQuota());
#if ENABLE(REMOTE_INSPECTOR)
if (m_inspectorController->inspectorClient() && m_inspectorController->inspectorClient()->allowRemoteInspectionToPageDirectly())
m_inspectorDebuggable->init();
#endif
#if PLATFORM(COCOA)
platformInitialize();
#endif
settingsDidChange();
if (!pageConfiguration.userScriptsShouldWaitUntilNotification)
m_hasBeenNotifiedToInjectUserScripts = true;
if (m_lowPowerModeNotifier->isLowPowerModeEnabled())
m_throttlingReasons.add(ThrottlingReason::LowPowerMode);
if (m_thermalMitigationNotifier->thermalMitigationEnabled())
m_throttlingReasons.add(ThrottlingReason::ThermalMitigation);
}
Page::~Page()
{
m_validationMessageClient = nullptr;
m_diagnosticLoggingClient = nullptr;
m_performanceLoggingClient = nullptr;
if (RefPtr localMainFrame = dynamicDowncast<LocalFrame>(m_mainFrame))
localMainFrame->setView(nullptr);
setGroupName(String());
allPages().remove(*this);
if (!isUtilityPage()) {
--gNonUtilityPageCount;
MemoryPressureHandler::setPageCount(gNonUtilityPageCount);
}
m_inspectorController->inspectedPageDestroyed();
forEachLocalFrame([] (LocalFrame& frame) {
frame.willDetachPage();
frame.detachFromPage();
});
ASSERT(m_rootFrames.isEmpty());
if (RefPtr scrollingCoordinator = m_scrollingCoordinator)
scrollingCoordinator->pageDestroyed();
checkedBackForward()->close();
if (!isUtilityPage())
BackForwardCache::singleton().removeAllItemsForPage(*this);
#ifndef NDEBUG
pageCounter.decrement();
#endif
protectedPluginInfoProvider()->removePage(*this);
protectedUserContentProvider()->removePage(*this);
protectedVisitedLinkStore()->removePage(*this);
}
CheckedRef<BackForwardController> Page::checkedBackForward()
{
return m_backForwardController.get();
}
void Page::firstTimeInitialization()
{
platformStrategies()->loaderStrategy()->addOnlineStateChangeListener(&networkStateChanged);
FontCache::registerFontCacheInvalidationCallback([] {
updateStyleForAllPagesAfterGlobalChangeInEnvironment();
});
}
void Page::clearPreviousItemFromAllPages(HistoryItem* item)
{
for (auto& page : allPages()) {
RefPtr localMainFrame = dynamicDowncast<LocalFrame>(page->mainFrame());
if (!localMainFrame)
return;
CheckedRef controller = localMainFrame->history();
if (item == controller->previousItem()) {
controller->clearPreviousItem();
return;
}
}
}
uint64_t Page::renderTreeSize() const
{
uint64_t total = 0;
forEachDocument([&] (Document& document) {
if (CheckedPtr renderView = document.renderView())
total += renderView->rendererCount();
});
return total;
}
OptionSet<DisabledAdaptations> Page::disabledAdaptations() const
{
auto* localMainFrame = dynamicDowncast<LocalFrame>(mainFrame());
if (RefPtr document = localMainFrame ? localMainFrame->document() : nullptr)
return document->disabledAdaptations();
return { };
}
static RefPtr<Document> viewportDocumentForFrame(const Frame& frame)
{
RefPtr localFrame = dynamicDowncast<LocalFrame>(frame);
if (!localFrame)
return nullptr;
RefPtr document = localFrame->document();
if (!document)
return nullptr;
RefPtr page = localFrame->page();
if (!page)
return nullptr;
if (RefPtr fullscreenDocument = page->outermostFullscreenDocument())
return fullscreenDocument;
return document;
}
ViewportArguments Page::viewportArguments() const
{
if (RefPtr document = viewportDocumentForFrame(protectedMainFrame()))
return document->viewportArguments();
return ViewportArguments();
}
void Page::setOverrideViewportArguments(const std::optional<ViewportArguments>& viewportArguments)
{
if (viewportArguments == m_overrideViewportArguments)
return;
m_overrideViewportArguments = viewportArguments;
auto* localMainFrame = dynamicDowncast<LocalFrame>(mainFrame());
if (RefPtr document = localMainFrame ? localMainFrame->document() : nullptr)
document->updateViewportArguments();
}
ScrollingCoordinator* Page::scrollingCoordinator()
{
if (!m_scrollingCoordinator && m_settings->scrollingCoordinatorEnabled()) {
m_scrollingCoordinator = chrome().client().createScrollingCoordinator(*this);
if (!m_scrollingCoordinator)
m_scrollingCoordinator = ScrollingCoordinator::create(this);
protectedScrollingCoordinator()->windowScreenDidChange(m_displayID, m_displayNominalFramesPerSecond);
}
return m_scrollingCoordinator.get();
}
RefPtr<ScrollingCoordinator> Page::protectedScrollingCoordinator()
{
return scrollingCoordinator();
}
String Page::scrollingStateTreeAsText()
{
auto* localMainFrame = dynamicDowncast<LocalFrame>(m_mainFrame.get());
if (RefPtr document = localMainFrame ? localMainFrame->document() : nullptr) {
if (RefPtr frameView = document->view())
frameView->updateLayoutAndStyleIfNeededRecursive(LayoutOptions::UpdateCompositingLayers);
#if ENABLE(IOS_TOUCH_EVENTS)
document->updateTouchEventRegions();
#endif
}
if (RefPtr scrollingCoordinator = this->scrollingCoordinator())
return scrollingCoordinator->scrollingStateTreeAsText();
return String();
}
String Page::synchronousScrollingReasonsAsText()
{
auto* localMainFrame = dynamicDowncast<LocalFrame>(m_mainFrame.get());
if (RefPtr document = localMainFrame ? localMainFrame->document() : nullptr)
document->updateLayout();
if (RefPtr scrollingCoordinator = this->scrollingCoordinator())
return scrollingCoordinator->synchronousScrollingReasonsAsText();
return { };
}
Ref<DOMRectList> Page::nonFastScrollableRectsForTesting()
{
auto* localMainFrame = dynamicDowncast<LocalFrame>(m_mainFrame.get());
if (RefPtr document = localMainFrame ? localMainFrame->document() : nullptr) {
document->updateLayout();
#if ENABLE(IOS_TOUCH_EVENTS)
document->updateTouchEventRegions();
#endif
}
Vector<IntRect> rects;
if (RefPtr scrollingCoordinator = this->scrollingCoordinator()) {
const EventTrackingRegions& eventTrackingRegions = scrollingCoordinator->absoluteEventTrackingRegions();
for (const auto& synchronousEventRegion : eventTrackingRegions.eventSpecificSynchronousDispatchRegions)
rects.appendVector(synchronousEventRegion.value.rects());
}
Vector<FloatQuad> quads(rects.size());
for (size_t i = 0; i < rects.size(); ++i)
quads[i] = FloatRect(rects[i]);
return DOMRectList::create(quads);
}
Ref<DOMRectList> Page::touchEventRectsForEventForTesting(EventTrackingRegions::EventType eventType)
{
auto* localMainFrame = dynamicDowncast<LocalFrame>(m_mainFrame.get());
if (RefPtr document = localMainFrame ? localMainFrame->document() : nullptr) {
document->updateLayout();
#if ENABLE(IOS_TOUCH_EVENTS)
document->updateTouchEventRegions();
#endif
}
Vector<IntRect> rects;
if (RefPtr scrollingCoordinator = this->scrollingCoordinator()) {
const EventTrackingRegions& eventTrackingRegions = scrollingCoordinator->absoluteEventTrackingRegions();
const auto& region = eventTrackingRegions.eventSpecificSynchronousDispatchRegions.get(eventType);
rects.appendVector(region.rects());
}
Vector<FloatQuad> quads(rects.size());
for (size_t i = 0; i < rects.size(); ++i)
quads[i] = FloatRect(rects[i]);
return DOMRectList::create(quads);
}
Ref<DOMRectList> Page::passiveTouchEventListenerRectsForTesting()
{
auto* localMainFrame = dynamicDowncast<LocalFrame>(m_mainFrame.get());
if (RefPtr document = localMainFrame ? localMainFrame->document() : nullptr) {
document->updateLayout();
#if ENABLE(IOS_TOUCH_EVENTS)
document->updateTouchEventRegions();
#endif
}
Vector<IntRect> rects;
if (RefPtr scrollingCoordinator = this->scrollingCoordinator())
rects.appendVector(scrollingCoordinator->absoluteEventTrackingRegions().asynchronousDispatchRegion.rects());
Vector<FloatQuad> quads(rects.size());
for (size_t i = 0; i < rects.size(); ++i)
quads[i] = FloatRect(rects[i]);
return DOMRectList::create(quads);
}
void Page::settingsDidChange()
{
#if ENABLE(WEB_RTC)
m_webRTCProvider->setH265Support(settings().webRTCH265CodecEnabled());
m_webRTCProvider->setVP9Support(settings().webRTCVP9Profile0CodecEnabled(), settings().webRTCVP9Profile2CodecEnabled());
m_webRTCProvider->setAV1Support(settings().webRTCAV1CodecEnabled());
#endif
}
std::optional<AXTreeData> Page::accessibilityTreeData() const
{
auto* localMainFrame = dynamicDowncast<LocalFrame>(mainFrame());
RefPtr document = localMainFrame ? localMainFrame->document() : nullptr;
if (!document)
return std::nullopt;
if (CheckedPtr cache = document->existingAXObjectCache())
return { cache->treeData() };
return std::nullopt;
}
void Page::progressEstimateChanged(LocalFrame& frameWithProgressUpdate) const
{
if (RefPtr document = frameWithProgressUpdate.document()) {
if (CheckedPtr axObjectCache = document->existingAXObjectCache())
axObjectCache->updateLoadingProgress(progress().estimatedProgress());
}
}
void Page::progressFinished(LocalFrame& frameWithCompletedProgress) const
{
if (RefPtr document = frameWithCompletedProgress.document()) {
if (CheckedPtr axObjectCache = document->existingAXObjectCache())
axObjectCache->loadingFinished();
}
}
void Page::setMainFrame(Ref<Frame>&& frame)
{
m_mainFrame = WTFMove(frame);
}
void Page::setMainFrameURL(const URL& url)
{
m_mainFrameURL = url;
m_mainFrameOrigin = SecurityOrigin::create(url);
}
SecurityOrigin& Page::mainFrameOrigin() const
{
if (!m_mainFrameOrigin)
return SecurityOrigin::opaqueOrigin();
return *m_mainFrameOrigin;
}
bool Page::openedByDOM() const
{
return m_openedByDOM;
}
void Page::setOpenedByDOM()
{
m_openedByDOM = true;
}
void Page::goToItem(Frame& mainFrame, HistoryItem& item, FrameLoadType type, ShouldTreatAsContinuingLoad shouldTreatAsContinuingLoad)
{
// stopAllLoaders may end up running onload handlers, which could cause further history traversals that may lead to the passed in HistoryItem
// being deref()-ed. Make sure we can still use it with HistoryController::goToItem later.
Ref protectedItem { item };
ASSERT(mainFrame.isMainFrame());
if (RefPtr localMainFrame = dynamicDowncast<LocalFrame>(mainFrame)) {
if (localMainFrame->checkedHistory()->shouldStopLoadingForHistoryItem(item))
localMainFrame->checkedLoader()->stopAllLoadersAndCheckCompleteness();
}
mainFrame.checkedHistory()->goToItem(item, type, shouldTreatAsContinuingLoad);
}
void Page::setGroupName(const String& name)
{
if (m_group && !m_group->name().isEmpty()) {
ASSERT(m_group != m_singlePageGroup.get());
ASSERT(!m_singlePageGroup);
m_group->removePage(*this);
}
if (name.isEmpty())
m_group = m_singlePageGroup.get();
else {
m_singlePageGroup = nullptr;
m_group = PageGroup::pageGroup(name);
m_group->addPage(*this);
}
}
const String& Page::groupName() const
{
return m_group ? m_group->name() : nullAtom().string();
}
Ref<Settings> Page::protectedSettings() const
{
return *m_settings;
}
Ref<BroadcastChannelRegistry> Page::protectedBroadcastChannelRegistry() const
{
return m_broadcastChannelRegistry;
}
void Page::setBroadcastChannelRegistry(Ref<BroadcastChannelRegistry>&& broadcastChannelRegistry)
{
m_broadcastChannelRegistry = WTFMove(broadcastChannelRegistry);
}
void Page::initGroup()
{
ASSERT(!m_singlePageGroup);
ASSERT(!m_group);
m_singlePageGroup = makeUnique<PageGroup>(*this);
m_group = m_singlePageGroup.get();
}
void Page::updateStyleAfterChangeInEnvironment()
{
forEachDocument([] (Document& document) {
if (RefPtr styleResolver = document.styleScope().resolverIfExists())
styleResolver->invalidateMatchedDeclarationsCache();
document.scheduleFullStyleRebuild();
document.checkedStyleScope()->didChangeStyleSheetEnvironment();
document.updateElementsAffectedByMediaQueries();
document.scheduleRenderingUpdate(RenderingUpdateStep::MediaQueryEvaluation);
});
}
void Page::updateStyleForAllPagesAfterGlobalChangeInEnvironment()
{
for (auto& page : allPages())
Ref { page.get() }->updateStyleAfterChangeInEnvironment();
}
void Page::setNeedsRecalcStyleInAllFrames()
{
// FIXME: Figure out what this function is actually trying to add in different call sites.
forEachDocument([] (Document& document) {
document.checkedStyleScope()->didChangeStyleSheetEnvironment();
});
}
void Page::refreshPlugins(bool reload)
{
WeakHashSet<PluginInfoProvider> pluginInfoProviders;
for (auto& page : allPages())
pluginInfoProviders.add(page->pluginInfoProvider());
for (Ref pluginInfoProvider : pluginInfoProviders)
pluginInfoProvider->refresh(reload);
}
PluginData& Page::pluginData()
{
if (!m_pluginData)
m_pluginData = PluginData::create(*this);
return *m_pluginData;
}
void Page::clearPluginData()
{
m_pluginData = nullptr;
}
bool Page::showAllPlugins() const
{
if (m_showAllPlugins)
return true;
auto* localMainFrame = dynamicDowncast<LocalFrame>(mainFrame());
if (Document* document = localMainFrame ? localMainFrame->document() : nullptr)
return document->securityOrigin().isLocal();
return false;
}
inline std::optional<std::pair<WeakRef<MediaCanStartListener>, WeakRef<Document, WeakPtrImplWithEventTargetData>>> Page::takeAnyMediaCanStartListener()
{
for (auto* frame = &mainFrame(); frame; frame = frame->tree().traverseNext()) {
auto* localFrame = dynamicDowncast<LocalFrame>(frame);
if (!localFrame)
continue;
if (!localFrame->document())
continue;
if (MediaCanStartListener* listener = localFrame->protectedDocument()->takeAnyMediaCanStartListener())
return { { *listener, *localFrame->document() } };
}
return std::nullopt;
}
void Page::setCanStartMedia(bool canStartMedia)
{
if (m_canStartMedia == canStartMedia)
return;
m_canStartMedia = canStartMedia;
while (m_canStartMedia) {
auto listener = takeAnyMediaCanStartListener();
if (!listener)
break;
listener->first->mediaCanStart(Ref { listener->second.get() });
}
}
Ref<Frame> Page::protectedMainFrame() const
{
return m_mainFrame;
}
static Frame* incrementFrame(Frame* current, bool forward, CanWrap canWrap, DidWrap* didWrap = nullptr)
{
return forward
? current->tree().traverseNext(canWrap, didWrap)
: current->tree().traversePrevious(canWrap, didWrap);
}
std::optional<FrameIdentifier> Page::findString(const String& target, FindOptions options, DidWrap* didWrap)
{
if (target.isEmpty())
return std::nullopt;
CanWrap canWrap = options.contains(FindOption::WrapAround) ? CanWrap::Yes : CanWrap::No;
CheckedRef focusController { *m_focusController };
RefPtr frame = focusController->focusedFrame() ? focusController->focusedFrame() : m_mainFrame.ptr();
RefPtr startFrame = frame;
RefPtr focusedLocalFrame = dynamicDowncast<LocalFrame>(frame);
do {
RefPtr localFrame = dynamicDowncast<LocalFrame>(frame.get());
if (!localFrame) {
frame = incrementFrame(frame.get(), !options.contains(FindOption::Backwards), canWrap, didWrap);
continue;
}
if (localFrame->editor().findString(target, (options - FindOption::WrapAround) | FindOption::StartInSelection)) {
if (!options.contains(FindOption::DoNotSetSelection)) {
if (focusedLocalFrame && localFrame != focusedLocalFrame)
focusedLocalFrame->checkedSelection()->clear();
focusController->setFocusedFrame(localFrame.get());
}
return localFrame->frameID();
}
frame = incrementFrame(frame.get(), !options.contains(FindOption::Backwards), canWrap, didWrap);
} while (frame && frame != startFrame);
// Search contents of startFrame, on the other side of the selection that we did earlier.
// We cheat a bit and just research with wrap on
if (canWrap == CanWrap::Yes && focusedLocalFrame && !focusedLocalFrame->selection().isNone()) {
if (didWrap)
*didWrap = DidWrap::Yes;
bool found = focusedLocalFrame->checkedEditor()->findString(target, options | FindOption::WrapAround | FindOption::StartInSelection);
if (!options.contains(FindOption::DoNotSetSelection))
focusController->setFocusedFrame(frame.get());
return found ? std::make_optional(focusedLocalFrame->frameID()) : std::nullopt;
}
return std::nullopt;
}
#if ENABLE(IMAGE_ANALYSIS)
void Page::analyzeImagesForFindInPage(Function<void()>&& callback)
{
if (settings().imageAnalysisDuringFindInPageEnabled()) {
imageAnalysisQueue().setDidBecomeEmptyCallback(WTFMove(callback));
auto* localMainFrame = dynamicDowncast<LocalFrame>(m_mainFrame.get());
if (RefPtr mainDocument = localMainFrame ? localMainFrame->document() : nullptr)
imageAnalysisQueue().enqueueAllImagesIfNeeded(*mainDocument, { }, { });
}
}
#endif
auto Page::findTextMatches(const String& target, FindOptions options, unsigned limit, bool markMatches) -> MatchingRanges
{
MatchingRanges result;
RefPtr frame { &mainFrame() };
RefPtr<LocalFrame> frameWithSelection;
do {
RefPtr localFrame = dynamicDowncast<LocalFrame>(frame.get());
if (!localFrame) {
frame = incrementFrame(frame.get(), true, CanWrap::No);
continue;