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WebPage.cpp
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WebPage.cpp
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/*
* Copyright (C) 2010-2016 Apple Inc. All rights reserved.
* Copyright (C) 2012 Intel Corporation. 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. AND ITS CONTRIBUTORS ``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 ITS 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 "WebPage.h"
#include "APIArray.h"
#include "APIGeometry.h"
#include "AssistedNodeInformation.h"
#include "DataReference.h"
#include "DragControllerAction.h"
#include "DrawingArea.h"
#include "DrawingAreaMessages.h"
#include "EditorState.h"
#include "EventDispatcher.h"
#include "InjectedBundle.h"
#include "InjectedBundleBackForwardList.h"
#include "InjectedBundleScriptWorld.h"
#include "LoadParameters.h"
#include "Logging.h"
#include "NetscapePlugin.h"
#include "NotificationPermissionRequestManager.h"
#include "PageBanner.h"
#include "PluginProcessAttributes.h"
#include "PluginProxy.h"
#include "PluginView.h"
#include "PrintInfo.h"
#include "RemoteWebInspectorUI.h"
#include "RemoteWebInspectorUIMessages.h"
#include "SessionState.h"
#include "SessionStateConversion.h"
#include "SessionTracker.h"
#include "ShareableBitmap.h"
#include "VisitedLinkTableController.h"
#include "WKBundleAPICast.h"
#include "WKRetainPtr.h"
#include "WKSharedAPICast.h"
#include "WebAlternativeTextClient.h"
#include "WebBackForwardListItem.h"
#include "WebBackForwardListProxy.h"
#include "WebChromeClient.h"
#include "WebColorChooser.h"
#include "WebContextMenu.h"
#include "WebContextMenuClient.h"
#include "WebCoreArgumentCoders.h"
#include "WebDatabaseProvider.h"
#include "WebDiagnosticLoggingClient.h"
#include "WebDocumentLoader.h"
#include "WebDragClient.h"
#include "WebEditorClient.h"
#include "WebEvent.h"
#include "WebEventConversion.h"
#include "WebEventFactory.h"
#include "WebFrame.h"
#include "WebFrameLoaderClient.h"
#include "WebFullScreenManager.h"
#include "WebFullScreenManagerMessages.h"
#include "WebGamepadProvider.h"
#include "WebGeolocationClient.h"
#include "WebImage.h"
#include "WebInspector.h"
#include "WebInspectorClient.h"
#include "WebInspectorMessages.h"
#include "WebInspectorUI.h"
#include "WebInspectorUIMessages.h"
#include "WebMediaKeyStorageManager.h"
#include "WebNotificationClient.h"
#include "WebOpenPanelResultListener.h"
#include "WebPageCreationParameters.h"
#include "WebPageGroupProxy.h"
#include "WebPageMessages.h"
#include "WebPageOverlay.h"
#include "WebPageProxyMessages.h"
#include "WebPaymentCoordinator.h"
#include "WebPlugInClient.h"
#include "WebPluginInfoProvider.h"
#include "WebPopupMenu.h"
#include "WebPreferencesDefinitions.h"
#include "WebPreferencesKeys.h"
#include "WebPreferencesStore.h"
#include "WebProcess.h"
#include "WebProcessPoolMessages.h"
#include "WebProcessProxyMessages.h"
#include "WebProgressTrackerClient.h"
#include "WebSocketProvider.h"
#include "WebStorageNamespaceProvider.h"
#include "WebUndoStep.h"
#include "WebUserContentController.h"
#include "WebUserMediaClient.h"
#include "WebValidationMessageClient.h"
#include <JavaScriptCore/APICast.h>
#include <WebCore/ApplicationCacheStorage.h>
#include <WebCore/ArchiveResource.h>
#include <WebCore/BackForwardController.h>
#include <WebCore/Chrome.h>
#include <WebCore/CommonVM.h>
#include <WebCore/ContextMenuController.h>
#include <WebCore/DataTransfer.h>
#include <WebCore/DatabaseManager.h>
#include <WebCore/DocumentFragment.h>
#include <WebCore/DocumentLoader.h>
#include <WebCore/DocumentMarkerController.h>
#include <WebCore/DragController.h>
#include <WebCore/DragData.h>
#include <WebCore/ElementIterator.h>
#include <WebCore/EventHandler.h>
#include <WebCore/EventNames.h>
#include <WebCore/FocusController.h>
#include <WebCore/FormState.h>
#include <WebCore/FrameLoadRequest.h>
#include <WebCore/FrameLoaderTypes.h>
#include <WebCore/FrameView.h>
#include <WebCore/HTMLFormElement.h>
#include <WebCore/HTMLImageElement.h>
#include <WebCore/HTMLInputElement.h>
#include <WebCore/HTMLOListElement.h>
#include <WebCore/HTMLPlugInElement.h>
#include <WebCore/HTMLPlugInImageElement.h>
#include <WebCore/HTMLUListElement.h>
#include <WebCore/HistoryController.h>
#include <WebCore/HistoryItem.h>
#include <WebCore/HitTestResult.h>
#include <WebCore/InspectorController.h>
#include <WebCore/JSDOMWindow.h>
#include <WebCore/KeyboardEvent.h>
#include <WebCore/LibWebRTCProvider.h>
#include <WebCore/MIMETypeRegistry.h>
#include <WebCore/MainFrame.h>
#include <WebCore/MouseEvent.h>
#include <WebCore/Page.h>
#include <WebCore/PageConfiguration.h>
#include <WebCore/PlatformKeyboardEvent.h>
#include <WebCore/PluginDocument.h>
#include <WebCore/PrintContext.h>
#include <WebCore/Range.h>
#include <WebCore/RenderLayer.h>
#include <WebCore/RenderTreeAsText.h>
#include <WebCore/RenderView.h>
#include <WebCore/ResourceRequest.h>
#include <WebCore/ResourceResponse.h>
#include <WebCore/RuntimeEnabledFeatures.h>
#include <WebCore/SchemeRegistry.h>
#include <WebCore/ScriptController.h>
#include <WebCore/SerializedScriptValue.h>
#include <WebCore/SessionID.h>
#include <WebCore/Settings.h>
#include <WebCore/ShadowRoot.h>
#include <WebCore/SharedBuffer.h>
#include <WebCore/StyleProperties.h>
#include <WebCore/SubframeLoader.h>
#include <WebCore/SubstituteData.h>
#include <WebCore/TextIterator.h>
#include <WebCore/UserInputBridge.h>
#include <WebCore/UserScript.h>
#include <WebCore/UserStyleSheet.h>
#include <WebCore/VisiblePosition.h>
#include <WebCore/VisibleUnits.h>
#include <WebCore/WebGLStateTracker.h>
#include <WebCore/htmlediting.h>
#include <WebCore/markup.h>
#include <bindings/ScriptValue.h>
#include <profiler/ProfilerDatabase.h>
#include <runtime/JSCInlines.h>
#include <runtime/JSCJSValue.h>
#include <runtime/JSLock.h>
#include <runtime/SamplingProfiler.h>
#include <wtf/RunLoop.h>
#include <wtf/SetForScope.h>
#if ENABLE(DATA_DETECTION)
#include "DataDetectionResult.h"
#endif
#if ENABLE(MHTML)
#include <WebCore/MHTMLArchive.h>
#endif
#if ENABLE(VIBRATION)
#include "WebVibrationClient.h"
#endif
#if ENABLE(POINTER_LOCK)
#include <WebCore/PointerLockController.h>
#endif
#if ENABLE(PROXIMITY_EVENTS)
#include "WebDeviceProximityClient.h"
#endif
#if PLATFORM(COCOA)
#include "PDFPlugin.h"
#include "RemoteLayerTreeTransaction.h"
#include "WKStringCF.h"
#include "WebPlaybackSessionManager.h"
#include "WebVideoFullscreenManager.h"
#include <WebCore/LegacyWebArchive.h>
#endif
#if PLATFORM(GTK)
#include "WebPrintOperationGtk.h"
#include "WebSelectionData.h"
#include <gtk/gtk.h>
#endif
#if PLATFORM(IOS)
#include "RemoteLayerTreeDrawingArea.h"
#include <CoreGraphics/CoreGraphics.h>
#include <WebCore/CoreTextSPI.h>
#include <WebCore/Icon.h>
#endif
#ifndef NDEBUG
#include <wtf/RefCountedLeakCounter.h>
#endif
#if USE(COORDINATED_GRAPHICS_MULTIPROCESS)
#include "CoordinatedLayerTreeHostMessages.h"
#endif
#if ENABLE(DATA_DETECTION)
#include <WebCore/DataDetection.h>
#endif
#if ENABLE(VIDEO) && USE(GSTREAMER)
#include <WebCore/MediaPlayerRequestInstallMissingPluginsCallback.h>
#endif
using namespace JSC;
using namespace WebCore;
namespace WebKit {
static const double pageScrollHysteresisSeconds = 0.3;
static const std::chrono::milliseconds initialLayerVolatilityTimerInterval { 20 };
static const std::chrono::seconds maximumLayerVolatilityTimerInterval { 2 };
#define RELEASE_LOG_IF_ALLOWED(...) RELEASE_LOG_IF(isAlwaysOnLoggingAllowed(), Layers, __VA_ARGS__)
#define RELEASE_LOG_ERROR_IF_ALLOWED(...) RELEASE_LOG_ERROR_IF(isAlwaysOnLoggingAllowed(), Layers, __VA_ARGS__)
class SendStopResponsivenessTimer {
public:
SendStopResponsivenessTimer(WebPage* page)
: m_page(page)
{
}
~SendStopResponsivenessTimer()
{
m_page->send(Messages::WebPageProxy::StopResponsivenessTimer());
}
private:
WebPage* m_page;
};
class DeferredPageDestructor {
public:
static void createDeferredPageDestructor(std::unique_ptr<Page> page, WebPage* webPage)
{
new DeferredPageDestructor(WTFMove(page), webPage);
}
private:
DeferredPageDestructor(std::unique_ptr<Page> page, WebPage* webPage)
: m_page(WTFMove(page))
, m_webPage(webPage)
{
tryDestruction();
}
void tryDestruction()
{
if (m_page->insideNestedRunLoop()) {
m_page->whenUnnested([this] { tryDestruction(); });
return;
}
m_page = nullptr;
m_webPage = nullptr;
delete this;
}
std::unique_ptr<Page> m_page;
RefPtr<WebPage> m_webPage;
};
DEFINE_DEBUG_ONLY_GLOBAL(WTF::RefCountedLeakCounter, webPageCounter, ("WebPage"));
Ref<WebPage> WebPage::create(uint64_t pageID, WebPageCreationParameters&& parameters)
{
Ref<WebPage> page = adoptRef(*new WebPage(pageID, WTFMove(parameters)));
if (page->pageGroup()->isVisibleToInjectedBundle() && WebProcess::singleton().injectedBundle())
WebProcess::singleton().injectedBundle()->didCreatePage(page.ptr());
return page;
}
WebPage::WebPage(uint64_t pageID, WebPageCreationParameters&& parameters)
: m_pageID(pageID)
, m_viewSize(parameters.viewSize)
#if ENABLE(PRIMARY_SNAPSHOTTED_PLUGIN_HEURISTIC)
, m_determinePrimarySnapshottedPlugInTimer(RunLoop::main(), this, &WebPage::determinePrimarySnapshottedPlugInTimerFired)
#endif
, m_layerHostingMode(parameters.layerHostingMode)
#if PLATFORM(COCOA)
, m_viewGestureGeometryCollector(*this)
#elif HAVE(ACCESSIBILITY) && (PLATFORM(GTK) || PLATFORM(EFL))
, m_accessibilityObject(nullptr)
#endif
, m_setCanStartMediaTimer(RunLoop::main(), this, &WebPage::setCanStartMediaTimerFired)
#if ENABLE(CONTEXT_MENUS)
, m_contextMenuClient(std::make_unique<API::InjectedBundle::PageContextMenuClient>())
#endif
, m_editorClient { std::make_unique<API::InjectedBundle::EditorClient>() }
, m_formClient(std::make_unique<API::InjectedBundle::FormClient>())
, m_uiClient(std::make_unique<API::InjectedBundle::PageUIClient>())
, m_findController(this)
, m_userContentController(WebUserContentController::getOrCreate(parameters.userContentControllerID))
#if ENABLE(GEOLOCATION)
, m_geolocationPermissionRequestManager(this)
#endif
#if ENABLE(MEDIA_STREAM)
, m_userMediaPermissionRequestManager(*this)
#endif
, m_pageScrolledHysteresis([this](HysteresisState state) { if (state == HysteresisState::Stopped) pageStoppedScrolling(); }, pageScrollHysteresisSeconds)
, m_canRunBeforeUnloadConfirmPanel(parameters.canRunBeforeUnloadConfirmPanel)
, m_canRunModal(parameters.canRunModal)
#if PLATFORM(IOS)
, m_forceAlwaysUserScalable(parameters.ignoresViewportScaleLimits)
, m_screenSize(parameters.screenSize)
, m_availableScreenSize(parameters.availableScreenSize)
#endif
, m_layerVolatilityTimer(*this, &WebPage::layerVolatilityTimerFired)
, m_activityState(parameters.activityState)
, m_processSuppressionEnabled(true)
, m_userActivity("Process suppression disabled for page.")
, m_userActivityHysteresis([this](HysteresisState) { updateUserActivity(); })
, m_userInterfaceLayoutDirection(parameters.userInterfaceLayoutDirection)
{
ASSERT(m_pageID);
m_pageGroup = WebProcess::singleton().webPageGroup(parameters.pageGroupData);
#if PLATFORM(IOS)
Settings::setShouldManageAudioSessionCategory(true);
#endif
PageConfiguration pageConfiguration(
makeUniqueRef<WebEditorClient>(this),
WebSocketProvider::create(),
makeUniqueRef<WebCore::LibWebRTCProvider>()
);
pageConfiguration.chromeClient = new WebChromeClient(*this);
#if ENABLE(CONTEXT_MENUS)
pageConfiguration.contextMenuClient = new WebContextMenuClient(this);
#endif
#if ENABLE(DRAG_SUPPORT)
pageConfiguration.dragClient = new WebDragClient(this);
#endif
pageConfiguration.backForwardClient = WebBackForwardListProxy::create(this);
pageConfiguration.inspectorClient = new WebInspectorClient(this);
#if USE(AUTOCORRECTION_PANEL)
pageConfiguration.alternativeTextClient = new WebAlternativeTextClient(this);
#endif
pageConfiguration.plugInClient = new WebPlugInClient(*this);
pageConfiguration.loaderClientForMainFrame = new WebFrameLoaderClient;
pageConfiguration.progressTrackerClient = new WebProgressTrackerClient(*this);
pageConfiguration.diagnosticLoggingClient = std::make_unique<WebDiagnosticLoggingClient>(*this);
pageConfiguration.webGLStateTracker = std::make_unique<WebGLStateTracker>([this](bool isUsingHighPerformanceWebGL) {
send(Messages::WebPageProxy::SetIsUsingHighPerformanceWebGL(isUsingHighPerformanceWebGL));
});
#if PLATFORM(COCOA)
pageConfiguration.validationMessageClient = std::make_unique<WebValidationMessageClient>(*this);
#endif
pageConfiguration.applicationCacheStorage = &WebProcess::singleton().applicationCacheStorage();
pageConfiguration.databaseProvider = WebDatabaseProvider::getOrCreate(m_pageGroup->pageGroupID());
pageConfiguration.pluginInfoProvider = &WebPluginInfoProvider::singleton();
pageConfiguration.storageNamespaceProvider = WebStorageNamespaceProvider::getOrCreate(m_pageGroup->pageGroupID());
pageConfiguration.userContentProvider = m_userContentController.ptr();
pageConfiguration.visitedLinkStore = VisitedLinkTableController::getOrCreate(parameters.visitedLinkTableID);
#if ENABLE(APPLE_PAY)
pageConfiguration.paymentCoordinatorClient = new WebPaymentCoordinator(*this);
#endif
m_page = std::make_unique<Page>(WTFMove(pageConfiguration));
updatePreferences(parameters.store);
m_drawingArea = DrawingArea::create(*this, parameters);
m_drawingArea->setPaintingEnabled(false);
m_drawingArea->setShouldScaleViewToFitDocument(parameters.shouldScaleViewToFitDocument);
#if ENABLE(ASYNC_SCROLLING)
m_useAsyncScrolling = parameters.store.getBoolValueForKey(WebPreferencesKey::threadedScrollingEnabledKey());
if (!m_drawingArea->supportsAsyncScrolling())
m_useAsyncScrolling = false;
m_page->settings().setScrollingCoordinatorEnabled(m_useAsyncScrolling);
#endif
m_mainFrame = WebFrame::createWithCoreMainFrame(this, &m_page->mainFrame());
m_drawingArea->updatePreferences(parameters.store);
#if ENABLE(GEOLOCATION)
WebCore::provideGeolocationTo(m_page.get(), new WebGeolocationClient(this));
#endif
#if ENABLE(NOTIFICATIONS) || ENABLE(LEGACY_NOTIFICATIONS)
WebCore::provideNotification(m_page.get(), new WebNotificationClient(this));
#endif
#if ENABLE(VIBRATION)
WebCore::provideVibrationTo(m_page.get(), new WebVibrationClient(this));
#endif
#if ENABLE(PROXIMITY_EVENTS)
WebCore::provideDeviceProximityTo(m_page.get(), new WebDeviceProximityClient(this));
#endif
#if ENABLE(MEDIA_STREAM)
WebCore::provideUserMediaTo(m_page.get(), new WebUserMediaClient(*this));
#endif
m_page->setControlledByAutomation(parameters.controlledByAutomation);
#if ENABLE(REMOTE_INSPECTOR)
m_page->setRemoteInspectionAllowed(parameters.allowsRemoteInspection);
m_page->setRemoteInspectionNameOverride(parameters.remoteInspectionNameOverride);
#endif
m_page->setCanStartMedia(false);
m_mayStartMediaWhenInWindow = parameters.mayStartMediaWhenInWindow;
m_page->setGroupName(m_pageGroup->identifier());
m_page->setDeviceScaleFactor(parameters.deviceScaleFactor);
m_page->setUserInterfaceLayoutDirection(m_userInterfaceLayoutDirection);
#if PLATFORM(IOS)
m_page->setTextAutosizingWidth(parameters.textAutosizingWidth);
#endif
platformInitialize();
setUseFixedLayout(parameters.useFixedLayout);
setDrawsBackground(parameters.drawsBackground);
setUnderlayColor(parameters.underlayColor);
setPaginationMode(parameters.paginationMode);
setPaginationBehavesLikeColumns(parameters.paginationBehavesLikeColumns);
setPageLength(parameters.pageLength);
setGapBetweenPages(parameters.gapBetweenPages);
setPaginationLineGridEnabled(parameters.paginationLineGridEnabled);
// If the page is created off-screen, its visibilityState should be prerender.
m_page->setActivityState(m_activityState);
if (!isVisible())
m_page->setIsPrerender();
updateIsInWindow(true);
setMinimumLayoutSize(parameters.minimumLayoutSize);
setAutoSizingShouldExpandToViewHeight(parameters.autoSizingShouldExpandToViewHeight);
setScrollPinningBehavior(parameters.scrollPinningBehavior);
if (parameters.scrollbarOverlayStyle)
m_scrollbarOverlayStyle = static_cast<ScrollbarOverlayStyle>(parameters.scrollbarOverlayStyle.value());
else
m_scrollbarOverlayStyle = std::optional<ScrollbarOverlayStyle>();
setBackgroundExtendsBeyondPage(parameters.backgroundExtendsBeyondPage);
setTopContentInset(parameters.topContentInset);
m_userAgent = parameters.userAgent;
WebBackForwardListProxy::setHighestItemIDFromUIProcess(parameters.highestUsedBackForwardItemID);
if (!parameters.itemStates.isEmpty())
restoreSessionInternal(parameters.itemStates, WasRestoredByAPIRequest::No);
if (parameters.sessionID.isValid())
setSessionID(parameters.sessionID);
m_drawingArea->setPaintingEnabled(true);
setMediaVolume(parameters.mediaVolume);
setMuted(parameters.muted);
// We use the DidFirstVisuallyNonEmptyLayout milestone to determine when to unfreeze the layer tree.
m_page->addLayoutMilestones(DidFirstLayout | DidFirstVisuallyNonEmptyLayout);
auto& webProcess = WebProcess::singleton();
webProcess.addMessageReceiver(Messages::WebPage::messageReceiverName(), m_pageID, *this);
// FIXME: This should be done in the object constructors, and the objects themselves should be message receivers.
#if USE(COORDINATED_GRAPHICS_MULTIPROCESS)
webProcess.addMessageReceiver(Messages::CoordinatedLayerTreeHost::messageReceiverName(), m_pageID, *this);
#endif
webProcess.addMessageReceiver(Messages::WebInspector::messageReceiverName(), m_pageID, *this);
webProcess.addMessageReceiver(Messages::WebInspectorUI::messageReceiverName(), m_pageID, *this);
webProcess.addMessageReceiver(Messages::RemoteWebInspectorUI::messageReceiverName(), m_pageID, *this);
#if ENABLE(FULLSCREEN_API)
webProcess.addMessageReceiver(Messages::WebFullScreenManager::messageReceiverName(), m_pageID, *this);
#endif
#ifndef NDEBUG
webPageCounter.increment();
#endif
#if ENABLE(ASYNC_SCROLLING)
if (m_useAsyncScrolling)
webProcess.eventDispatcher().addScrollingTreeForPage(this);
#endif
for (auto& mimeType : parameters.mimeTypesWithCustomContentProviders)
m_mimeTypesWithCustomContentProviders.add(mimeType);
#if ENABLE(LEGACY_ENCRYPTED_MEDIA)
if (WebMediaKeyStorageManager* manager = webProcess.supplement<WebMediaKeyStorageManager>())
m_page->settings().setMediaKeysStorageDirectory(manager->mediaKeyStorageDirectory());
#endif
m_page->settings().setAppleMailPaginationQuirkEnabled(parameters.appleMailPaginationQuirkEnabled);
if (parameters.viewScaleFactor != 1)
scaleView(parameters.viewScaleFactor);
m_page->addLayoutMilestones(parameters.observedLayoutMilestones);
#if PLATFORM(COCOA)
m_page->settings().setContentDispositionAttachmentSandboxEnabled(true);
setSmartInsertDeleteEnabled(parameters.smartInsertDeleteEnabled);
#endif
}
void WebPage::reinitializeWebPage(WebPageCreationParameters&& parameters)
{
if (m_activityState != parameters.activityState)
setActivityState(parameters.activityState, false, Vector<uint64_t>());
if (m_layerHostingMode != parameters.layerHostingMode)
setLayerHostingMode(parameters.layerHostingMode);
}
void WebPage::updateThrottleState()
{
// We should suppress if the page is not active, is visually idle, and supression is enabled.
bool isLoading = m_activityState & ActivityState::IsLoading;
bool isPlayingAudio = m_activityState & ActivityState::IsAudible;
bool pageSuppressed = !isLoading && !isPlayingAudio && m_processSuppressionEnabled && (m_activityState & ActivityState::IsVisuallyIdle);
// The UserActivity keeps the processes runnable. So if the page should be suppressed, stop the activity.
// If the page should not be supressed, start it.
if (pageSuppressed)
m_userActivityHysteresis.stop();
else
m_userActivityHysteresis.start();
}
void WebPage::updateUserActivity()
{
if (m_userActivityHysteresis.state() == HysteresisState::Started)
m_userActivity.start();
else
m_userActivity.stop();
}
WebPage::~WebPage()
{
if (m_backForwardList)
m_backForwardList->detach();
ASSERT(!m_page);
auto& webProcess = WebProcess::singleton();
#if ENABLE(ASYNC_SCROLLING)
if (m_useAsyncScrolling)
webProcess.eventDispatcher().removeScrollingTreeForPage(this);
#endif
platformDetach();
m_sandboxExtensionTracker.invalidate();
for (auto* pluginView : m_pluginViews)
pluginView->webPageDestroyed();
#if !PLATFORM(IOS)
if (m_headerBanner)
m_headerBanner->detachFromPage();
if (m_footerBanner)
m_footerBanner->detachFromPage();
#endif // !PLATFORM(IOS)
webProcess.removeMessageReceiver(Messages::WebPage::messageReceiverName(), m_pageID);
// FIXME: This should be done in the object destructors, and the objects themselves should be message receivers.
#if USE(COORDINATED_GRAPHICS_MULTIPROCESS)
webProcess.removeMessageReceiver(Messages::CoordinatedLayerTreeHost::messageReceiverName(), m_pageID);
#endif
webProcess.removeMessageReceiver(Messages::WebInspector::messageReceiverName(), m_pageID);
webProcess.removeMessageReceiver(Messages::WebInspectorUI::messageReceiverName(), m_pageID);
webProcess.removeMessageReceiver(Messages::RemoteWebInspectorUI::messageReceiverName(), m_pageID);
#if ENABLE(FULLSCREEN_API)
webProcess.removeMessageReceiver(Messages::WebFullScreenManager::messageReceiverName(), m_pageID);
#endif
#ifndef NDEBUG
webPageCounter.decrement();
#endif
}
void WebPage::dummy(bool&)
{
}
IPC::Connection* WebPage::messageSenderConnection()
{
return WebProcess::singleton().parentProcessConnection();
}
uint64_t WebPage::messageSenderDestinationID()
{
return pageID();
}
#if ENABLE(CONTEXT_MENUS)
void WebPage::setInjectedBundleContextMenuClient(std::unique_ptr<API::InjectedBundle::PageContextMenuClient> contextMenuClient)
{
if (!contextMenuClient) {
m_contextMenuClient = std::make_unique<API::InjectedBundle::PageContextMenuClient>();
return;
}
m_contextMenuClient = WTFMove(contextMenuClient);
}
#endif
void WebPage::setInjectedBundleEditorClient(std::unique_ptr<API::InjectedBundle::EditorClient> editorClient)
{
if (!editorClient) {
m_editorClient = std::make_unique<API::InjectedBundle::EditorClient>();
return;
}
m_editorClient = WTFMove(editorClient);
}
void WebPage::setInjectedBundleFormClient(std::unique_ptr<API::InjectedBundle::FormClient> formClient)
{
if (!formClient) {
m_formClient = std::make_unique<API::InjectedBundle::FormClient>();
return;
}
m_formClient = WTFMove(formClient);
}
void WebPage::initializeInjectedBundleLoaderClient(WKBundlePageLoaderClientBase* client)
{
m_loaderClient.initialize(client);
// It would be nice to get rid of this code and transition all clients to using didLayout instead of
// didFirstLayoutInFrame and didFirstVisuallyNonEmptyLayoutInFrame. In the meantime, this is required
// for backwards compatibility.
LayoutMilestones milestones = 0;
if (client) {
if (m_loaderClient.client().didFirstLayoutForFrame)
milestones |= WebCore::DidFirstLayout;
if (m_loaderClient.client().didFirstVisuallyNonEmptyLayoutForFrame)
milestones |= WebCore::DidFirstVisuallyNonEmptyLayout;
}
if (milestones)
listenForLayoutMilestones(milestones);
}
void WebPage::initializeInjectedBundlePolicyClient(WKBundlePagePolicyClientBase* client)
{
m_policyClient.initialize(client);
}
void WebPage::initializeInjectedBundleResourceLoadClient(WKBundlePageResourceLoadClientBase* client)
{
m_resourceLoadClient.initialize(client);
}
void WebPage::setInjectedBundleUIClient(std::unique_ptr<API::InjectedBundle::PageUIClient> uiClient)
{
if (!uiClient) {
m_uiClient = std::make_unique<API::InjectedBundle::PageUIClient>();
return;
}
m_uiClient = WTFMove(uiClient);
}
#if ENABLE(FULLSCREEN_API)
void WebPage::initializeInjectedBundleFullScreenClient(WKBundlePageFullScreenClientBase* client)
{
m_fullScreenClient.initialize(client);
}
#endif
void WebPage::initializeInjectedBundleDiagnosticLoggingClient(WKBundlePageDiagnosticLoggingClientBase* client)
{
m_logDiagnosticMessageClient.initialize(client);
}
#if ENABLE(NETSCAPE_PLUGIN_API)
RefPtr<Plugin> WebPage::createPlugin(WebFrame* frame, HTMLPlugInElement* pluginElement, const Plugin::Parameters& parameters, String& newMIMEType)
{
String frameURLString = frame->coreFrame()->loader().documentLoader()->responseURL().string();
String pageURLString = m_page->mainFrame().loader().documentLoader()->responseURL().string();
#if ENABLE(PRIMARY_SNAPSHOTTED_PLUGIN_HEURISTIC)
HTMLPlugInImageElement& pluginImageElement = downcast<HTMLPlugInImageElement>(*pluginElement);
unsigned pluginArea = 0;
PluginProcessType processType = pluginElement->displayState() == HTMLPlugInElement::WaitingForSnapshot && !(plugInIsPrimarySize(pluginImageElement, pluginArea) && !plugInIntersectsSearchRect(pluginImageElement)) ? PluginProcessTypeSnapshot : PluginProcessTypeNormal;
#else
PluginProcessType processType = pluginElement->displayState() == HTMLPlugInElement::WaitingForSnapshot ? PluginProcessTypeSnapshot : PluginProcessTypeNormal;
#endif
bool allowOnlyApplicationPlugins = !frame->coreFrame()->loader().subframeLoader().allowPlugins();
uint64_t pluginProcessToken;
uint32_t pluginLoadPolicy;
String unavailabilityDescription;
if (!sendSync(Messages::WebPageProxy::FindPlugin(parameters.mimeType, static_cast<uint32_t>(processType), parameters.url.string(), frameURLString, pageURLString, allowOnlyApplicationPlugins), Messages::WebPageProxy::FindPlugin::Reply(pluginProcessToken, newMIMEType, pluginLoadPolicy, unavailabilityDescription)))
return nullptr;
PluginModuleLoadPolicy loadPolicy = static_cast<PluginModuleLoadPolicy>(pluginLoadPolicy);
bool isBlockedPlugin = (loadPolicy == PluginModuleBlockedForSecurity) || (loadPolicy == PluginModuleBlockedForCompatibility);
if (isBlockedPlugin || !pluginProcessToken) {
#if ENABLE(PDFKIT_PLUGIN)
String path = parameters.url.path();
if (shouldUsePDFPlugin() && (MIMETypeRegistry::isPDFOrPostScriptMIMEType(parameters.mimeType) || (parameters.mimeType.isEmpty() && (path.endsWith(".pdf", false) || path.endsWith(".ps", false))))) {
auto pdfPlugin = PDFPlugin::create(frame);
return WTFMove(pdfPlugin);
}
#else
UNUSED_PARAM(frame);
#endif
}
if (isBlockedPlugin) {
bool replacementObscured = false;
auto* renderer = pluginElement->renderer();
if (is<RenderEmbeddedObject>(renderer)) {
auto& renderObject = downcast<RenderEmbeddedObject>(*renderer);
renderObject.setPluginUnavailabilityReasonWithDescription(RenderEmbeddedObject::InsecurePluginVersion, unavailabilityDescription);
replacementObscured = renderObject.isReplacementObscured();
renderObject.setUnavailablePluginIndicatorIsHidden(replacementObscured);
}
send(Messages::WebPageProxy::DidBlockInsecurePluginVersion(parameters.mimeType, parameters.url.string(), frameURLString, pageURLString, replacementObscured));
return nullptr;
}
if (!pluginProcessToken)
return nullptr;
bool isRestartedProcess = (pluginElement->displayState() == HTMLPlugInElement::Restarting || pluginElement->displayState() == HTMLPlugInElement::RestartingWithPendingMouseClick);
return PluginProxy::create(pluginProcessToken, isRestartedProcess);
}
#endif // ENABLE(NETSCAPE_PLUGIN_API)
#if ENABLE(WEBGL) && !PLATFORM(COCOA)
WebCore::WebGLLoadPolicy WebPage::webGLPolicyForURL(WebFrame*, const String& /* url */)
{
return WebGLAllowCreation;
}
WebCore::WebGLLoadPolicy WebPage::resolveWebGLPolicyForURL(WebFrame*, const String& /* url */)
{
return WebGLAllowCreation;
}
#endif
EditorState WebPage::editorState(IncludePostLayoutDataHint shouldIncludePostLayoutData) const
{
Frame& frame = m_page->focusController().focusedOrMainFrame();
EditorState result;
if (PluginView* pluginView = focusedPluginViewForFrame(frame)) {
if (!pluginView->getSelectionString().isNull()) {
result.selectionIsNone = false;
result.selectionIsRange = true;
result.isInPlugin = true;
return result;
}
}
const VisibleSelection& selection = frame.selection().selection();
result.selectionIsNone = selection.isNone();
result.selectionIsRange = selection.isRange();
result.isContentEditable = selection.isContentEditable();
result.isContentRichlyEditable = selection.isContentRichlyEditable();
result.isInPasswordField = selection.isInPasswordField();
result.hasComposition = frame.editor().hasComposition();
result.shouldIgnoreCompositionSelectionChange = frame.editor().ignoreCompositionSelectionChange();
#if PLATFORM(COCOA)
if (shouldIncludePostLayoutData == IncludePostLayoutDataHint::Yes && result.isContentEditable) {
auto& postLayoutData = result.postLayoutData();
if (!selection.isNone()) {
Node* nodeToRemove;
if (auto* style = Editor::styleForSelectionStart(&frame, nodeToRemove)) {
if (style->fontCascade().weight() >= FontWeightBold)
postLayoutData.typingAttributes |= AttributeBold;
if (style->fontCascade().italic() == FontItalicOn)
postLayoutData.typingAttributes |= AttributeItalics;
RefPtr<EditingStyle> typingStyle = frame.selection().typingStyle();
if (typingStyle && typingStyle->style()) {
String value = typingStyle->style()->getPropertyValue(CSSPropertyWebkitTextDecorationsInEffect);
if (value.contains("underline"))
postLayoutData.typingAttributes |= AttributeUnderline;
} else {
if (style->textDecorationsInEffect() & TextDecorationUnderline)
postLayoutData.typingAttributes |= AttributeUnderline;
}
if (style->visitedDependentColor(CSSPropertyColor).isValid())
postLayoutData.textColor = style->visitedDependentColor(CSSPropertyColor);
switch (style->textAlign()) {
case RIGHT:
case WEBKIT_RIGHT:
postLayoutData.textAlignment = RightAlignment;
break;
case LEFT:
case WEBKIT_LEFT:
postLayoutData.textAlignment = LeftAlignment;
break;
case CENTER:
case WEBKIT_CENTER:
postLayoutData.textAlignment = CenterAlignment;
break;
case JUSTIFY:
postLayoutData.textAlignment = JustifiedAlignment;
break;
case TASTART:
postLayoutData.textAlignment = style->isLeftToRightDirection() ? LeftAlignment : RightAlignment;
break;
case TAEND:
postLayoutData.textAlignment = style->isLeftToRightDirection() ? RightAlignment : LeftAlignment;
break;
}
HTMLElement* enclosingListElement = enclosingList(selection.start().deprecatedNode());
if (enclosingListElement) {
if (is<HTMLUListElement>(*enclosingListElement))
postLayoutData.enclosingListType = UnorderedList;
else if (is<HTMLOListElement>(*enclosingListElement))
postLayoutData.enclosingListType = OrderedList;
else
ASSERT_NOT_REACHED();
} else
postLayoutData.enclosingListType = NoList;
if (nodeToRemove)
nodeToRemove->remove();
}
}
}
#endif
platformEditorState(frame, result, shouldIncludePostLayoutData);
m_lastEditorStateWasContentEditable = result.isContentEditable ? EditorStateIsContentEditable::Yes : EditorStateIsContentEditable::No;
return result;
}
void WebPage::updateEditorStateAfterLayoutIfEditabilityChanged()
{
// FIXME: We should update EditorStateIsContentEditable to track whether the state is richly
// editable or plainttext-only.
if (m_lastEditorStateWasContentEditable == EditorStateIsContentEditable::Unset)
return;
Frame& frame = m_page->focusController().focusedOrMainFrame();
EditorStateIsContentEditable editorStateIsContentEditable = frame.selection().selection().isContentEditable() ? EditorStateIsContentEditable::Yes : EditorStateIsContentEditable::No;
if (m_lastEditorStateWasContentEditable != editorStateIsContentEditable)
send(Messages::WebPageProxy::EditorStateChanged(editorState()));
}
String WebPage::renderTreeExternalRepresentation() const
{
return externalRepresentation(m_mainFrame->coreFrame(), RenderAsTextBehaviorNormal);
}
String WebPage::renderTreeExternalRepresentationForPrinting() const
{
return externalRepresentation(m_mainFrame->coreFrame(), RenderAsTextPrintingMode);
}
uint64_t WebPage::renderTreeSize() const
{
if (!m_page)
return 0;
return m_page->renderTreeSize();
}
void WebPage::setTracksRepaints(bool trackRepaints)
{
if (FrameView* view = mainFrameView())
view->setTracksRepaints(trackRepaints);
}
bool WebPage::isTrackingRepaints() const
{
if (FrameView* view = mainFrameView())
return view->isTrackingRepaints();
return false;
}
void WebPage::resetTrackedRepaints()
{
if (FrameView* view = mainFrameView())
view->resetTrackedRepaints();
}
Ref<API::Array> WebPage::trackedRepaintRects()
{
FrameView* view = mainFrameView();
if (!view)
return API::Array::create();
Vector<RefPtr<API::Object>> repaintRects;
repaintRects.reserveInitialCapacity(view->trackedRepaintRects().size());
for (const auto& repaintRect : view->trackedRepaintRects())
repaintRects.uncheckedAppend(API::Rect::create(toAPI(repaintRect)));
return API::Array::create(WTFMove(repaintRects));
}
PluginView* WebPage::focusedPluginViewForFrame(Frame& frame)
{
if (!frame.document()->isPluginDocument())
return 0;
PluginDocument* pluginDocument = static_cast<PluginDocument*>(frame.document());
if (pluginDocument->focusedElement() != pluginDocument->pluginElement())
return 0;
PluginView* pluginView = static_cast<PluginView*>(pluginDocument->pluginWidget());
return pluginView;
}
PluginView* WebPage::pluginViewForFrame(Frame* frame)
{
if (!frame->document()->isPluginDocument())
return 0;
PluginDocument* pluginDocument = static_cast<PluginDocument*>(frame->document());
PluginView* pluginView = static_cast<PluginView*>(pluginDocument->pluginWidget());
return pluginView;
}
void WebPage::executeEditingCommand(const String& commandName, const String& argument)
{
Frame& frame = m_page->focusController().focusedOrMainFrame();
if (PluginView* pluginView = focusedPluginViewForFrame(frame)) {
pluginView->handleEditingCommand(commandName, argument);
return;