Source/WebKit2/WebProcess/WebPage/WebPage.h

   1 /*
   2  * Copyright (C) 2010, 2011, 2013 Apple Inc. All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions
   6  * are met:
   7  * 1. Redistributions of source code must retain the above copyright
   8  *    notice, this list of conditions and the following disclaimer.
   9  * 2. Redistributions in binary form must reproduce the above copyright
  10  *    notice, this list of conditions and the following disclaimer in the
  11  *    documentation and/or other materials provided with the distribution.
  12  *
  13  * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
  14  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
  15  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  16  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
  17  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  18  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  19  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  20  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  21  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  22  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
  23  * THE POSSIBILITY OF SUCH DAMAGE.
  24  */
  25
  26 #ifndef WebPage_h
  27 #define WebPage_h
  28
  29 #include "APIInjectedBundleFormClient.h"
  30 #include "APIInjectedBundlePageUIClient.h"
  31 #include "APIObject.h"
  32 #include "FindController.h"
  33 #include "GeolocationPermissionRequestManager.h"
  34 #include "ImageOptions.h"
  35 #include "InjectedBundlePageDiagnosticLoggingClient.h"
  36 #include "InjectedBundlePageEditorClient.h"
  37 #include "InjectedBundlePageFullScreenClient.h"
  38 #include "InjectedBundlePageLoaderClient.h"
  39 #include "InjectedBundlePagePolicyClient.h"
  40 #include "InjectedBundlePageResourceLoadClient.h"
  41 #include "LayerTreeHost.h"
  42 #include "MessageReceiver.h"
  43 #include "MessageSender.h"
  44 #include "PageOverlayController.h"
  45 #include "Plugin.h"
  46 #include "SandboxExtension.h"
  47 #include "ShareableBitmap.h"
  48 #include <WebCore/DictationAlternative.h>
  49 #include <WebCore/DragData.h>
  50 #include <WebCore/Editor.h>
  51 #include <WebCore/FrameLoaderTypes.h>
  52 #include <WebCore/IntRect.h>
  53 #include <WebCore/IntSizeHash.h>
  54 #include <WebCore/Page.h>
  55 #include <WebCore/PageVisibilityState.h>
  56 #include <WebCore/ScrollTypes.h>
  57 #include <WebCore/TextChecking.h>
  58 #include <WebCore/UserActivity.h>
  59 #include <WebCore/ViewState.h>
  60 #include <WebCore/ViewportConfiguration.h>
  61 #include <WebCore/WebCoreKeyboardUIMode.h>
  62 #include <memory>
  63 #include <wtf/HashMap.h>
  64 #include <wtf/PassRefPtr.h>
  65 #include <wtf/RefPtr.h>
  66 #include <wtf/text/WTFString.h>
  67
  68 #if HAVE(ACCESSIBILITY) && (PLATFORM(GTK) || PLATFORM(EFL))
  69 #include "WebPageAccessibilityObject.h"
  70 #include <wtf/gobject/GRefPtr.h>
  71 #endif
  72
  73 #if PLATFORM(GTK)
  74 #include "ArgumentCodersGtk.h"
  75 #include "WebPrintOperationGtk.h"
  76 #endif
  77
  78 #if PLATFORM(IOS)
  79 #include "GestureTypes.h"
  80 #import "WebPageMessages.h"
  81 #endif
  82
  83 #if ENABLE(TOUCH_EVENTS)
  84 #if PLATFORM(IOS)
  85 #include <WebKitAdditions/PlatformTouchEventIOS.h>
  86 #else
  87 #include <WebCore/PlatformTouchEvent.h>
  88 #endif
  89 #endif
  90
  91 #if ENABLE(CONTEXT_MENUS)
  92 #include "InjectedBundlePageContextMenuClient.h"
  93 #endif
  94
  95 #if PLATFORM(COCOA)
  96 #include "ViewGestureGeometryCollector.h"
  97 #include <wtf/RetainPtr.h>
  98 OBJC_CLASS CALayer;
  99 OBJC_CLASS NSDictionary;
 100 OBJC_CLASS NSObject;
 101 OBJC_CLASS WKAccessibilityWebPageObject;
 102
 103 #define ENABLE_PRIMARY_SNAPSHOTTED_PLUGIN_HEURISTIC 1
 104 #endif
 105
 106 namespace API {
 107 class Array;
 108 }
 109
 110 namespace IPC {
 111 class ArgumentDecoder;
 112 class Connection;
 113 }
 114
 115 namespace WebCore {
 116 class DocumentLoader;
 117 class GraphicsContext;
 118 class Frame;
 119 class FrameView;
 120 class HTMLPlugInElement;
 121 class HTMLPlugInImageElement;
 122 class IntPoint;
 123 class KeyboardEvent;
 124 class Page;
 125 class PrintContext;
 126 class Range;
 127 class ResourceResponse;
 128 class ResourceRequest;
 129 class SharedBuffer;
 130 class SubstituteData;
 131 class TextCheckingRequest;
 132 class URL;
 133 class VisibleSelection;
 134 struct Highlight;
 135 struct KeypressCommand;
 136 struct TextCheckingResult;
 137 }
 138
 139 namespace WebKit {
 140
 141 class DrawingArea;
 142 class InjectedBundleBackForwardList;
 143 class NotificationPermissionRequestManager;
 144 class PageBanner;
 145 class PageOverlay;
 146 class PluginView;
 147 class ServicesOverlayController;
 148 class VisibleContentRectUpdateInfo;
 149 class WebColorChooser;
 150 class WebContextMenu;
 151 class WebContextMenuItemData;
 152 class WebEvent;
 153 class WebFrame;
 154 class WebFullScreenManager;
 155 class WebImage;
 156 class WebInspector;
 157 class WebInspectorClient;
 158 class WebKeyboardEvent;
 159 class WebMouseEvent;
 160 class WebNotificationClient;
 161 class WebOpenPanelResultListener;
 162 class WebPageGroupProxy;
 163 class WebPopupMenu;
 164 class WebUndoStep;
 165 class WebUserContentController;
 166 class WebVideoFullscreenManager;
 167 class WebWheelEvent;
 168 struct AssistedNodeInformation;
 169 struct AttributedString;
 170 struct BackForwardListItemState;
 171 struct EditingRange;
 172 struct EditorState;
 173 struct InteractionInformationAtPosition;
 174 struct PrintInfo;
 175 struct WebPageCreationParameters;
 176 struct WebPreferencesStore;
 177
 178 #if PLATFORM(COCOA)
 179 class RemoteLayerTreeTransaction;
 180 #endif
 181
 182 #if ENABLE(TOUCH_EVENTS)
 183 class WebTouchEvent;
 184 #endif
 185
 186 class WebPage : public API::ObjectImpl<API::Object::Type::BundlePage>, public IPC::MessageReceiver, public IPC::MessageSender {
 187 public:
 188     static PassRefPtr<WebPage> create(uint64_t pageID, const WebPageCreationParameters&);
 189     virtual ~WebPage();
 190
 191     void reinitializeWebPage(const WebPageCreationParameters&);
 192
 193     void close();
 194
 195     static WebPage* fromCorePage(WebCore::Page*);
 196
 197     WebCore::Page* corePage() const { return m_page.get(); }
 198     uint64_t pageID() const { return m_pageID; }
 199     WebCore::SessionID sessionID() const { return m_page->sessionID(); }
 200     bool usesEphemeralSession() const { return m_page->usesEphemeralSession(); }
 201
 202     void setSessionID(WebCore::SessionID);
 203
 204     void setSize(const WebCore::IntSize&);
 205     const WebCore::IntSize& size() const { return m_viewSize; }
 206     WebCore::IntRect bounds() const { return WebCore::IntRect(WebCore::IntPoint(), size()); }
 207
 208     InjectedBundleBackForwardList* backForwardList();
 209     DrawingArea* drawingArea() const { return m_drawingArea.get(); }
 210     const PageOverlayController& pageOverlayController() const { return m_pageOverlayController; }
 211     PageOverlayController& pageOverlayController() { return m_pageOverlayController; }
 212 #if ENABLE(ASYNC_SCROLLING)
 213     WebCore::ScrollingCoordinator* scrollingCoordinator() const;
 214 #endif
 215
 216     WebPageGroupProxy* pageGroup() const { return m_pageGroup.get(); }
 217
 218     void scrollMainFrameIfNotAtMaxScrollPosition(const WebCore::IntSize& scrollOffset);
 219
 220     bool scrollBy(uint32_t scrollDirection, uint32_t scrollGranularity);
 221
 222     void centerSelectionInVisibleArea();
 223
 224 #if PLATFORM(COCOA)
 225     void willCommitLayerTree(RemoteLayerTreeTransaction&);
 226     void didFlushLayerTreeAtTime(std::chrono::milliseconds);
 227 #endif
 228
 229 #if ENABLE(INSPECTOR)
 230     WebInspector* inspector();
 231 #endif
 232
 233 #if PLATFORM(IOS)
 234     WebVideoFullscreenManager* videoFullscreenManager();
 235 #endif
 236
 237 #if ENABLE(FULLSCREEN_API)
 238     WebFullScreenManager* fullScreenManager();
 239 #endif
 240
 241     // -- Called by the DrawingArea.
 242     // FIXME: We could genericize these into a DrawingArea client interface. Would that be beneficial?
 243     void drawRect(WebCore::GraphicsContext&, const WebCore::IntRect&);
 244     void layoutIfNeeded();
 245
 246     // -- Called from WebCore clients.
 247     bool handleEditingKeyboardEvent(WebCore::KeyboardEvent*);
 248
 249     void didStartPageTransition();
 250     void didCompletePageTransition();
 251     void didCommitLoad(WebFrame*);
 252     void didFinishDocumentLoad(WebFrame*);
 253     void didFinishLoad(WebFrame*);
 254     void show();
 255     String userAgent(const WebCore::URL&) const;
 256     String userAgent(WebFrame*, const WebCore::URL&) const;
 257     String platformUserAgent(const WebCore::URL&) const;
 258     WebCore::IntRect windowResizerRect() const;
 259     WebCore::KeyboardUIMode keyboardUIMode();
 260
 261     WebUndoStep* webUndoStep(uint64_t);
 262     void addWebUndoStep(uint64_t, WebUndoStep*);
 263     void removeWebEditCommand(uint64_t);
 264     bool isInRedo() const { return m_isInRedo; }
 265
 266     void setActivePopupMenu(WebPopupMenu*);
 267
 268 #if ENABLE(INPUT_TYPE_COLOR)
 269     WebColorChooser* activeColorChooser() const { return m_activeColorChooser; }
 270     void setActiveColorChooser(WebColorChooser*);
 271     void didChooseColor(const WebCore::Color&);
 272     void didEndColorPicker();
 273 #endif
 274
 275     WebOpenPanelResultListener* activeOpenPanelResultListener() const { return m_activeOpenPanelResultListener.get(); }
 276     void setActiveOpenPanelResultListener(PassRefPtr<WebOpenPanelResultListener>);
 277
 278     void didReceiveMessage(IPC::Connection*, IPC::MessageDecoder&) override;
 279     void didReceiveSyncMessage(IPC::Connection*, IPC::MessageDecoder&, std::unique_ptr<IPC::MessageEncoder>&) override;
 280
 281     // -- InjectedBundle methods
 282 #if ENABLE(CONTEXT_MENUS)
 283     void initializeInjectedBundleContextMenuClient(WKBundlePageContextMenuClientBase*);
 284 #endif
 285     void initializeInjectedBundleEditorClient(WKBundlePageEditorClientBase*);
 286     void setInjectedBundleFormClient(std::unique_ptr<API::InjectedBundle::FormClient>);
 287     void initializeInjectedBundleLoaderClient(WKBundlePageLoaderClientBase*);
 288     void initializeInjectedBundlePolicyClient(WKBundlePagePolicyClientBase*);
 289     void initializeInjectedBundleResourceLoadClient(WKBundlePageResourceLoadClientBase*);
 290     void setInjectedBundleUIClient(std::unique_ptr<API::InjectedBundle::PageUIClient>);
 291 #if ENABLE(FULLSCREEN_API)
 292     void initializeInjectedBundleFullScreenClient(WKBundlePageFullScreenClientBase*);
 293 #endif
 294     void initializeInjectedBundleDiagnosticLoggingClient(WKBundlePageDiagnosticLoggingClientBase*);
 295
 296 #if ENABLE(CONTEXT_MENUS)
 297     InjectedBundlePageContextMenuClient& injectedBundleContextMenuClient() { return m_contextMenuClient; }
 298 #endif
 299     InjectedBundlePageEditorClient& injectedBundleEditorClient() { return m_editorClient; }
 300     API::InjectedBundle::FormClient& injectedBundleFormClient() { return *m_formClient.get(); }
 301     InjectedBundlePageLoaderClient& injectedBundleLoaderClient() { return m_loaderClient; }
 302     InjectedBundlePagePolicyClient& injectedBundlePolicyClient() { return m_policyClient; }
 303     InjectedBundlePageResourceLoadClient& injectedBundleResourceLoadClient() { return m_resourceLoadClient; }
 304     API::InjectedBundle::PageUIClient& injectedBundleUIClient() { return *m_uiClient.get(); }
 305     InjectedBundlePageDiagnosticLoggingClient& injectedBundleDiagnosticLoggingClient() { return m_logDiagnosticMessageClient; }
 306 #if ENABLE(FULLSCREEN_API)
 307     InjectedBundlePageFullScreenClient& injectedBundleFullScreenClient() { return m_fullScreenClient; }
 308 #endif
 309
 310     bool findStringFromInjectedBundle(const String&, FindOptions);
 311
 312     WebFrame* mainWebFrame() const { return m_mainFrame.get(); }
 313
 314     WebCore::Frame* mainFrame() const; // May return 0.
 315     WebCore::FrameView* mainFrameView() const; // May return 0.
 316
 317     PassRefPtr<WebCore::Range> currentSelectionAsRange();
 318
 319 #if ENABLE(NETSCAPE_PLUGIN_API)
 320     PassRefPtr<Plugin> createPlugin(WebFrame*, WebCore::HTMLPlugInElement*, const Plugin::Parameters&, String& newMIMEType);
 321 #endif
 322
 323 #if ENABLE(WEBGL)
 324     WebCore::WebGLLoadPolicy webGLPolicyForURL(WebFrame*, const String&);
 325     WebCore::WebGLLoadPolicy resolveWebGLPolicyForURL(WebFrame*, const String&);
 326 #endif // ENABLE(WEBGL)
 327
 328     EditorState editorState() const;
 329
 330     String renderTreeExternalRepresentation() const;
 331     String renderTreeExternalRepresentationForPrinting() const;
 332     uint64_t renderTreeSize() const;
 333
 334     void setTracksRepaints(bool);
 335     bool isTrackingRepaints() const;
 336     void resetTrackedRepaints();
 337     PassRefPtr<API::Array> trackedRepaintRects();
 338
 339     void executeEditingCommand(const String& commandName, const String& argument);
 340     bool isEditingCommandEnabled(const String& commandName);
 341     void clearMainFrameName();
 342     void sendClose();
 343
 344     void sendSetWindowFrame(const WebCore::FloatRect&);
 345
 346     double textZoomFactor() const;
 347     void setTextZoomFactor(double);
 348     double pageZoomFactor() const;
 349     void setPageZoomFactor(double);
 350     void setPageAndTextZoomFactors(double pageZoomFactor, double textZoomFactor);
 351     void windowScreenDidChange(uint64_t);
 352
 353     void scalePage(double scale, const WebCore::IntPoint& origin);
 354     void scalePageInViewCoordinates(double scale, WebCore::IntPoint centerInViewCoordinates);
 355     double pageScaleFactor() const;
 356
 357     void setUseFixedLayout(bool);
 358     bool useFixedLayout() const { return m_useFixedLayout; }
 359     void setFixedLayoutSize(const WebCore::IntSize&);
 360
 361     void listenForLayoutMilestones(uint32_t /* LayoutMilestones */);
 362
 363     void setSuppressScrollbarAnimations(bool);
 364
 365     void setEnableVerticalRubberBanding(bool);
 366     void setEnableHorizontalRubberBanding(bool);
 367
 368     void setBackgroundExtendsBeyondPage(bool);
 369
 370     void setPaginationMode(uint32_t /* WebCore::Pagination::Mode */);
 371     void setPaginationBehavesLikeColumns(bool);
 372     void setPageLength(double);
 373     void setGapBetweenPages(double);
 374
 375     void postInjectedBundleMessage(const String& messageName, IPC::MessageDecoder&);
 376
 377     bool drawsBackground() const { return m_drawsBackground; }
 378     bool drawsTransparentBackground() const { return m_drawsTransparentBackground; }
 379
 380     void setUnderlayColor(const WebCore::Color& color) { m_underlayColor = color; }
 381     WebCore::Color underlayColor() const { return m_underlayColor; }
 382
 383     void stopLoading();
 384     void stopLoadingFrame(uint64_t frameID);
 385     bool defersLoading() const;
 386     void setDefersLoading(bool deferLoading);
 387
 388     void enterAcceleratedCompositingMode(WebCore::GraphicsLayer*);
 389     void exitAcceleratedCompositingMode();
 390
 391     void addPluginView(PluginView*);
 392     void removePluginView(PluginView*);
 393
 394     void setThumbnailScale(double);
 395
 396     bool isVisible() const { return m_viewState & WebCore::ViewState::IsVisible; }
 397     bool isVisibleOrOccluded() const { return m_viewState & WebCore::ViewState::IsVisibleOrOccluded; }
 398
 399     LayerHostingMode layerHostingMode() const { return m_layerHostingMode; }
 400     void setLayerHostingMode(unsigned);
 401
 402 #if PLATFORM(COCOA)
 403     void updatePluginsActiveAndFocusedState();
 404     const WebCore::FloatRect& windowFrameInScreenCoordinates() const { return m_windowFrameInScreenCoordinates; }
 405     const WebCore::FloatRect& windowFrameInUnflippedScreenCoordinates() const { return m_windowFrameInUnflippedScreenCoordinates; }
 406     const WebCore::FloatRect& viewFrameInWindowCoordinates() const { return m_viewFrameInWindowCoordinates; }
 407
 408     bool hasCachedWindowFrame() const { return m_hasCachedWindowFrame; }
 409
 410 #if !PLATFORM(IOS)
 411     void setTopOverhangImage(PassRefPtr<WebImage>);
 412     void setBottomOverhangImage(PassRefPtr<WebImage>);
 413 #endif // !PLATFORM(IOS)
 414
 415     void updateHeaderAndFooterLayersForDeviceScaleChange(float scaleFactor);
 416 #endif // PLATFORM(COCOA)
 417
 418     bool windowIsFocused() const;
 419     bool windowAndWebPageAreFocused() const;
 420     void installPageOverlay(PassRefPtr<PageOverlay>, PageOverlay::FadeMode = PageOverlay::FadeMode::DoNotFade);
 421     void uninstallPageOverlay(PageOverlay*, PageOverlay::FadeMode = PageOverlay::FadeMode::DoNotFade);
 422
 423 #if !PLATFORM(IOS)
 424     void setHeaderPageBanner(PassRefPtr<PageBanner>);
 425     PageBanner* headerPageBanner();
 426     void setFooterPageBanner(PassRefPtr<PageBanner>);
 427     PageBanner* footerPageBanner();
 428
 429     void hidePageBanners();
 430     void showPageBanners();
 431
 432 #endif // !PLATFORM(IOS)
 433
 434     WebCore::IntPoint screenToRootView(const WebCore::IntPoint&);
 435     WebCore::IntRect rootViewToScreen(const WebCore::IntRect&);
 436
 437 #if PLATFORM(IOS)
 438     WebCore::IntPoint accessibilityScreenToRootView(const WebCore::IntPoint&);
 439     WebCore::IntRect rootViewToAccessibilityScreen(const WebCore::IntRect&);
 440 #endif
 441
 442     PassRefPtr<WebImage> scaledSnapshotWithOptions(const WebCore::IntRect&, double additionalScaleFactor, SnapshotOptions);
 443     PassRefPtr<WebImage> snapshotAtSize(const WebCore::IntRect&, const WebCore::IntSize& bitmapSize, SnapshotOptions);
 444     PassRefPtr<WebImage> snapshotNode(WebCore::Node&, SnapshotOptions, unsigned maximumPixelCount = std::numeric_limits<unsigned>::max());
 445
 446     static const WebEvent* currentEvent();
 447
 448     FindController& findController() { return m_findController; }
 449
 450 #if ENABLE(GEOLOCATION)
 451     GeolocationPermissionRequestManager& geolocationPermissionRequestManager() { return m_geolocationPermissionRequestManager; }
 452 #endif
 453
 454 #if PLATFORM(IOS)
 455     WebCore::FloatSize screenSize() const;
 456     WebCore::FloatSize availableScreenSize() const;
 457     int32_t deviceOrientation() const { return m_deviceOrientation; }
 458     void viewportPropertiesDidChange(const WebCore::ViewportArguments&);
 459     void didReceiveMobileDocType(bool);
 460     void savePageState(WebCore::HistoryItem&);
 461     void restorePageState(const WebCore::HistoryItem&);
 462
 463     void setUseTestingViewportConfiguration(bool useTestingViewport) { m_useTestingViewportConfiguration = useTestingViewport; }
 464     bool isUsingTestingViewportConfiguration() const { return m_useTestingViewportConfiguration; }
 465
 466     double minimumPageScaleFactor() const;
 467     double maximumPageScaleFactor() const;
 468     bool allowsUserScaling() const;
 469     bool hasStablePageScaleFactor() const { return m_hasStablePageScaleFactor; }
 470
 471     void handleTap(const WebCore::IntPoint&);
 472     void potentialTapAtPosition(uint64_t requestID, const WebCore::FloatPoint&);
 473     void commitPotentialTap();
 474     void commitPotentialTapFailed();
 475     void cancelPotentialTap();
 476     void tapHighlightAtPosition(uint64_t requestID, const WebCore::FloatPoint&);
 477
 478     void inspectorNodeSearchMovedToPosition(const WebCore::FloatPoint&);
 479     void inspectorNodeSearchEndedAtPosition(const WebCore::FloatPoint&);
 480
 481     void blurAssistedNode();
 482     void selectWithGesture(const WebCore::IntPoint&, uint32_t granularity, uint32_t gestureType, uint32_t gestureState, uint64_t callbackID);
 483     void updateSelectionWithTouches(const WebCore::IntPoint& point, uint32_t touches, bool baseIsStart, uint64_t callbackID);
 484     void updateBlockSelectionWithTouch(const WebCore::IntPoint&, uint32_t touch, uint32_t handlePosition);
 485     void selectWithTwoTouches(const WebCore::IntPoint& from, const WebCore::IntPoint& to, uint32_t gestureType, uint32_t gestureState, uint64_t callbackID);
 486     void extendSelection(uint32_t granularity);
 487     void selectWordBackward();
 488     void elementDidFocus(WebCore::Node*);
 489     void elementDidBlur(WebCore::Node*);
 490     void requestDictationContext(uint64_t callbackID);
 491     void replaceDictatedText(const String& oldText, const String& newText);
 492     void replaceSelectedText(const String& oldText, const String& newText);
 493     void requestAutocorrectionData(const String& textForAutocorrection, uint64_t callbackID);
 494     void applyAutocorrection(const String& correction, const String& originalText, uint64_t callbackID);
 495     void syncApplyAutocorrection(const String& correction, const String& originalText, bool& correctionApplied);
 496     void requestAutocorrectionContext(uint64_t callbackID);
 497     void getAutocorrectionContext(String& beforeText, String& markedText, String& selectedText, String& afterText, uint64_t& location, uint64_t& length);
 498     void getPositionInformation(const WebCore::IntPoint&, InteractionInformationAtPosition&);
 499     void requestPositionInformation(const WebCore::IntPoint&);
 500     void startInteractionWithElementAtPosition(const WebCore::IntPoint&);
 501     void stopInteraction();
 502     void performActionOnElement(uint32_t action);
 503     void focusNextAssistedNode(bool isForward);
 504     void setAssistedNodeValue(const String&);
 505     void setAssistedNodeValueAsNumber(double);
 506     void setAssistedNodeSelectedIndex(uint32_t index, bool allowMultipleSelection);
 507     WebCore::IntRect rectForElementAtInteractionLocation();
 508     void updateSelectionAppearance();
 509
 510     void dispatchAsynchronousTouchEvents(const Vector<WebTouchEvent, 1>& queue);
 511     void contentSizeCategoryDidChange(const String&);
 512     void executeEditCommandWithCallback(const String&, uint64_t callbackID);
 513
 514     std::chrono::milliseconds eventThrottlingDelay() const;
 515 #if ENABLE(INSPECTOR)
 516     void showInspectorHighlight(const WebCore::Highlight&);
 517     void hideInspectorHighlight();
 518
 519     void showInspectorIndication();
 520     void hideInspectorIndication();
 521
 522     void enableInspectorNodeSearch();
 523     void disableInspectorNodeSearch();
 524 #endif
 525 #endif
 526
 527     NotificationPermissionRequestManager* notificationPermissionRequestManager();
 528
 529     void pageDidScroll();
 530 #if USE(TILED_BACKING_STORE)
 531     void pageDidRequestScroll(const WebCore::IntPoint&);
 532     void setFixedVisibleContentRect(const WebCore::IntRect&);
 533     void sendViewportAttributesChanged();
 534 #endif
 535
 536 #if ENABLE(CONTEXT_MENUS)
 537     WebContextMenu* contextMenu();
 538     WebContextMenu* contextMenuAtPointInWindow(const WebCore::IntPoint&);
 539 #endif
 540
 541     bool hasLocalDataForURL(const WebCore::URL&);
 542     String cachedResponseMIMETypeForURL(const WebCore::URL&);
 543     String cachedSuggestedFilenameForURL(const WebCore::URL&);
 544     PassRefPtr<WebCore::SharedBuffer> cachedResponseDataForURL(const WebCore::URL&);
 545
 546     static bool canHandleRequest(const WebCore::ResourceRequest&);
 547
 548     class SandboxExtensionTracker {
 549     public:
 550         ~SandboxExtensionTracker();
 551
 552         void invalidate();
 553
 554         void beginLoad(WebFrame*, const SandboxExtension::Handle& handle);
 555         void willPerformLoadDragDestinationAction(PassRefPtr<SandboxExtension> pendingDropSandboxExtension);
 556         void didStartProvisionalLoad(WebFrame*);
 557         void didCommitProvisionalLoad(WebFrame*);
 558         void didFailProvisionalLoad(WebFrame*);
 559
 560     private:
 561         void setPendingProvisionalSandboxExtension(PassRefPtr<SandboxExtension>);
 562
 563         RefPtr<SandboxExtension> m_pendingProvisionalSandboxExtension;
 564         RefPtr<SandboxExtension> m_provisionalSandboxExtension;
 565         RefPtr<SandboxExtension> m_committedSandboxExtension;
 566     };
 567
 568     SandboxExtensionTracker& sandboxExtensionTracker() { return m_sandboxExtensionTracker; }
 569
 570 #if PLATFORM(EFL)
 571     void setThemePath(const String&);
 572 #endif
 573
 574 #if USE(TILED_BACKING_STORE)
 575     void commitPageTransitionViewport();
 576 #endif
 577
 578 #if PLATFORM(GTK)
 579     void setComposition(const String& text, const Vector<WebCore::CompositionUnderline>& underlines, uint64_t selectionStart, uint64_t selectionEnd, uint64_t replacementRangeStart, uint64_t replacementRangeLength);
 580     void confirmComposition(const String& text, int64_t selectionStart, int64_t selectionLength);
 581     void cancelComposition();
 582 #endif
 583
 584     void didChangeSelection();
 585
 586 #if PLATFORM(COCOA)
 587     void registerUIProcessAccessibilityTokens(const IPC::DataReference& elemenToken, const IPC::DataReference& windowToken);
 588     WKAccessibilityWebPageObject* accessibilityRemoteObject();
 589     NSObject *accessibilityObjectForMainFramePlugin();
 590     const WebCore::FloatPoint& accessibilityPosition() const { return m_accessibilityPosition; }
 591
 592     void sendComplexTextInputToPlugin(uint64_t pluginComplexTextInputIdentifier, const String& textInput);
 593
 594     void insertTextAsync(const String& text, const EditingRange& replacementRange, bool registerUndoGroup = false);
 595     void getMarkedRangeAsync(uint64_t callbackID);
 596     void getSelectedRangeAsync(uint64_t callbackID);
 597     void characterIndexForPointAsync(const WebCore::IntPoint&, uint64_t callbackID);
 598     void firstRectForCharacterRangeAsync(const EditingRange&, uint64_t callbackID);
 599     void setCompositionAsync(const String& text, Vector<WebCore::CompositionUnderline> underlines, const EditingRange& selectionRange, const EditingRange& replacementRange);
 600     void confirmCompositionAsync();
 601
 602 #if PLATFORM(MAC)
 603     void insertDictatedTextAsync(const String& text, const EditingRange& replacementRange, const Vector<WebCore::DictationAlternative>& dictationAlternativeLocations, bool registerUndoGroup = false);
 604     void attributedSubstringForCharacterRangeAsync(const EditingRange&, uint64_t callbackID);
 605 #if !USE(ASYNC_NSTEXTINPUTCLIENT)
 606     void insertText(const String& text, const EditingRange& replacementRange, bool& handled, EditorState& newState);
 607     void setComposition(const String& text, Vector<WebCore::CompositionUnderline> underlines, const EditingRange& selectionRange, const EditingRange& replacementRange, EditorState& newState);
 608     void confirmComposition(EditorState& newState);
 609     void insertDictatedText(const String& text, const EditingRange& replacementRange, const Vector<WebCore::DictationAlternative>& dictationAlternativeLocations, bool& handled, EditorState& newState);
 610     void getAttributedSubstringFromRange(const EditingRange&, AttributedString&);
 611     void getMarkedRange(EditingRange&);
 612     void getSelectedRange(EditingRange&);
 613     void characterIndexForPoint(const WebCore::IntPoint point, uint64_t& result);
 614     void firstRectForCharacterRange(const EditingRange&, WebCore::IntRect& resultRect);
 615     void executeKeypressCommands(const Vector<WebCore::KeypressCommand>&, bool& handled, EditorState& newState);
 616     void cancelComposition(EditorState& newState);
 617 #endif
 618 #endif
 619
 620     void readSelectionFromPasteboard(const WTF::String& pasteboardName, bool& result);
 621     void getStringSelectionForPasteboard(WTF::String& stringValue);
 622     void getDataSelectionForPasteboard(const WTF::String pasteboardType, SharedMemory::Handle& handle, uint64_t& size);
 623     void shouldDelayWindowOrderingEvent(const WebKit::WebMouseEvent&, bool& result);
 624     void acceptsFirstMouse(int eventNumber, const WebKit::WebMouseEvent&, bool& result);
 625     bool performNonEditingBehaviorForSelector(const String&, WebCore::KeyboardEvent*);
 626
 627 #if ENABLE(SERVICE_CONTROLS)
 628     void replaceSelectionWithPasteboardData(const Vector<String>& types, const IPC::DataReference&);
 629 #endif
 630
 631 #elif PLATFORM(EFL)
 632     void confirmComposition(const String& compositionString);
 633     void setComposition(const WTF::String& compositionString, const WTF::Vector<WebCore::CompositionUnderline>& underlines, uint64_t cursorPosition);
 634     void cancelComposition();
 635 #elif PLATFORM(GTK)
 636 #if USE(TEXTURE_MAPPER_GL)
 637     void setAcceleratedCompositingWindowId(uint64_t nativeWindowHandle);
 638 #endif
 639 #endif
 640
 641 #if HAVE(ACCESSIBILITY) && (PLATFORM(GTK) || PLATFORM(EFL))
 642     void updateAccessibilityTree();
 643 #endif
 644
 645     void setCompositionForTesting(const String& compositionString, uint64_t from, uint64_t length);
 646     bool hasCompositionForTesting();
 647     void confirmCompositionForTesting(const String& compositionString);
 648
 649     // FIXME: This a dummy message, to avoid breaking the build for platforms that don't require
 650     // any synchronous messages, and should be removed when <rdar://problem/8775115> is fixed.
 651     void dummy(bool&);
 652
 653 #if PLATFORM(COCOA)
 654     void performDictionaryLookupForSelection(WebCore::Frame*, const WebCore::VisibleSelection&);
 655
 656     bool isSpeaking();
 657     void speak(const String&);
 658     void stopSpeaking();
 659
 660 #endif
 661
 662     bool isSmartInsertDeleteEnabled();
 663     void setSmartInsertDeleteEnabled(bool);
 664
 665     bool isSelectTrailingWhitespaceEnabled();
 666     void setSelectTrailingWhitespaceEnabled(bool);
 667
 668     void replaceSelectionWithText(WebCore::Frame*, const String&);
 669     void clearSelection();
 670
 671 #if ENABLE(DRAG_SUPPORT)
 672 #if PLATFORM(GTK)
 673     void performDragControllerAction(uint64_t action, WebCore::DragData);
 674 #else
 675     void performDragControllerAction(uint64_t action, WebCore::IntPoint clientPosition, WebCore::IntPoint globalPosition, uint64_t draggingSourceOperationMask, const WTF::String& dragStorageName, uint32_t flags, const SandboxExtension::Handle&, const SandboxExtension::HandleArray&);
 676 #endif
 677     void dragEnded(WebCore::IntPoint clientPosition, WebCore::IntPoint globalPosition, uint64_t operation);
 678
 679     void willPerformLoadDragDestinationAction();
 680     void mayPerformUploadDragDestinationAction();
 681 #endif // ENABLE(DRAG_SUPPORT)
 682
 683     void beginPrinting(uint64_t frameID, const PrintInfo&);
 684     void endPrinting();
 685     void computePagesForPrinting(uint64_t frameID, const PrintInfo&, uint64_t callbackID);
 686     void computePagesForPrintingImpl(uint64_t frameID, const PrintInfo&, Vector<WebCore::IntRect>& pageRects, double& totalScaleFactor);
 687 #if PLATFORM(COCOA)
 688     void drawRectToImage(uint64_t frameID, const PrintInfo&, const WebCore::IntRect&, const WebCore::IntSize&, uint64_t callbackID);
 689     void drawPagesToPDF(uint64_t frameID, const PrintInfo&, uint32_t first, uint32_t count, uint64_t callbackID);
 690     void drawPagesToPDFImpl(uint64_t frameID, const PrintInfo&, uint32_t first, uint32_t count, RetainPtr<CFMutableDataRef>& pdfPageData);
 691 #if PLATFORM(IOS)
 692     void computePagesForPrintingAndStartDrawingToPDF(uint64_t frameID, const PrintInfo&, uint32_t firstPage, PassRefPtr<Messages::WebPage::ComputePagesForPrintingAndStartDrawingToPDF::DelayedReply>);
 693 #endif
 694 #elif PLATFORM(GTK)
 695     void drawPagesForPrinting(uint64_t frameID, const PrintInfo&, uint64_t callbackID);
 696     void didFinishPrintOperation(const WebCore::ResourceError&, uint64_t callbackID);
 697 #endif
 698
 699     void addResourceRequest(unsigned long, const WebCore::ResourceRequest&);
 700     void removeResourceRequest(unsigned long);
 701
 702     void setMediaVolume(float);
 703     void setMayStartMediaWhenInWindow(bool);
 704
 705     void updateMainFrameScrollOffsetPinning();
 706
 707     bool mainFrameHasCustomContentProvider() const;
 708     void addMIMETypeWithCustomContentProvider(const String&);
 709
 710     void mainFrameDidLayout();
 711
 712     bool canRunBeforeUnloadConfirmPanel() const { return m_canRunBeforeUnloadConfirmPanel; }
 713     void setCanRunBeforeUnloadConfirmPanel(bool canRunBeforeUnloadConfirmPanel) { m_canRunBeforeUnloadConfirmPanel = canRunBeforeUnloadConfirmPanel; }
 714
 715     bool canRunModal() const { return m_canRunModal; }
 716     void setCanRunModal(bool canRunModal) { m_canRunModal = canRunModal; }
 717
 718     void runModal();
 719
 720     void setDeviceScaleFactor(float);
 721     float deviceScaleFactor() const;
 722
 723     void forceRepaintWithoutCallback();
 724
 725     void unmarkAllMisspellings();
 726     void unmarkAllBadGrammar();
 727 #if PLATFORM(COCOA)
 728     void handleAlternativeTextUIResult(const String&);
 729 #endif
 730
 731     // For testing purpose.
 732     void simulateMouseDown(int button, WebCore::IntPoint, int clickCount, WKEventModifiers, double time);
 733     void simulateMouseUp(int button, WebCore::IntPoint, int clickCount, WKEventModifiers, double time);
 734     void simulateMouseMotion(WebCore::IntPoint, double time);
 735
 736 #if ENABLE(CONTEXT_MENUS)
 737     void contextMenuShowing() { m_isShowingContextMenu = true; }
 738 #endif
 739
 740     void wheelEvent(const WebWheelEvent&);
 741
 742     void numWheelEventHandlersChanged(unsigned);
 743     void recomputeShortCircuitHorizontalWheelEventsState();
 744
 745     void updateVisibilityState(bool isInitialState = false);
 746
 747 #if PLATFORM(IOS)
 748     void setViewportConfigurationMinimumLayoutSize(const WebCore::FloatSize&);
 749     void setViewportConfigurationMinimumLayoutSizeForMinimalUI(const WebCore::FloatSize&);
 750     void setMaximumUnobscuredSize(const WebCore::FloatSize&);
 751     void setDeviceOrientation(int32_t);
 752     void dynamicViewportSizeUpdate(const WebCore::FloatSize& minimumLayoutSize, const WebCore::FloatSize& minimumLayoutSizeForMinimalUI, const WebCore::FloatSize& maximumUnobscuredSize, const WebCore::FloatRect& targetExposedContentRect, const WebCore::FloatRect& targetUnobscuredRect, const WebCore::FloatRect& targetUnobscuredRectInScrollViewCoordinates, double scale, int32_t deviceOrientation);
 753     void synchronizeDynamicViewportUpdate(double& newTargetScale, WebCore::FloatPoint& newScrollPosition, uint64_t& nextValidLayerTreeTransactionID);
 754     void updateVisibleContentRects(const VisibleContentRectUpdateInfo&, double oldestTimestamp);
 755     bool scaleWasSetByUIProcess() const { return m_scaleWasSetByUIProcess; }
 756     void willStartUserTriggeredZooming();
 757     void applicationWillResignActive();
 758     void applicationWillEnterForeground();
 759     void applicationDidBecomeActive();
 760     void zoomToRect(WebCore::FloatRect, double minimumScale, double maximumScale);
 761     void dispatchTouchEvent(const WebTouchEvent&, bool& handled);
 762     void completePendingSyntheticClickForContentChangeObserver();
 763 #endif
 764
 765 #if PLATFORM(GTK) && USE(TEXTURE_MAPPER_GL)
 766     uint64_t nativeWindowHandle() { return m_nativeWindowHandle; }
 767 #endif
 768
 769     bool shouldUseCustomContentProviderForResponse(const WebCore::ResourceResponse&);
 770     bool canPluginHandleResponse(const WebCore::ResourceResponse& response);
 771
 772     bool asynchronousPluginInitializationEnabled() const { return m_asynchronousPluginInitializationEnabled; }
 773     void setAsynchronousPluginInitializationEnabled(bool enabled) { m_asynchronousPluginInitializationEnabled = enabled; }
 774     bool asynchronousPluginInitializationEnabledForAllPlugins() const { return m_asynchronousPluginInitializationEnabledForAllPlugins; }
 775     void setAsynchronousPluginInitializationEnabledForAllPlugins(bool enabled) { m_asynchronousPluginInitializationEnabledForAllPlugins = enabled; }
 776     bool artificialPluginInitializationDelayEnabled() const { return m_artificialPluginInitializationDelayEnabled; }
 777     void setArtificialPluginInitializationDelayEnabled(bool enabled) { m_artificialPluginInitializationDelayEnabled = enabled; }
 778     void setTabToLinksEnabled(bool enabled) { m_tabToLinks = enabled; }
 779     bool tabToLinksEnabled() const { return m_tabToLinks; }
 780
 781     bool scrollingPerformanceLoggingEnabled() const { return m_scrollingPerformanceLoggingEnabled; }
 782     void setScrollingPerformanceLoggingEnabled(bool);
 783
 784 #if PLATFORM(COCOA)
 785     bool shouldUsePDFPlugin() const;
 786     bool pdfPluginEnabled() const { return m_pdfPluginEnabled; }
 787     void setPDFPluginEnabled(bool enabled) { m_pdfPluginEnabled = enabled; }
 788 #endif
 789
 790     void savePDFToFileInDownloadsFolder(const String& suggestedFilename, const String& originatingURLString, const uint8_t* data, unsigned long size);
 791 #if PLATFORM(COCOA)
 792     void savePDFToTemporaryFolderAndOpenWithNativeApplication(const String& suggestedFilename, const String& originatingURLString, const uint8_t* data, unsigned long size, const String& pdfUUID);
 793 #endif
 794
 795     bool mainFrameIsScrollable() const { return m_mainFrameIsScrollable; }
 796
 797     void setMinimumLayoutSize(const WebCore::IntSize&);
 798     WebCore::IntSize minimumLayoutSize() const { return m_minimumLayoutSize; }
 799
 800     void setAutoSizingShouldExpandToViewHeight(bool shouldExpand);
 801     bool autoSizingShouldExpandToViewHeight() { return m_autoSizingShouldExpandToViewHeight; }
 802
 803     bool canShowMIMEType(const String& MIMEType) const;
 804
 805     void addTextCheckingRequest(uint64_t requestID, PassRefPtr<WebCore::TextCheckingRequest>);
 806     void didFinishCheckingText(uint64_t requestID, const Vector<WebCore::TextCheckingResult>&);
 807     void didCancelCheckingText(uint64_t requestID);
 808
 809 #if ENABLE(PRIMARY_SNAPSHOTTED_PLUGIN_HEURISTIC)
 810     void determinePrimarySnapshottedPlugIn();
 811     void determinePrimarySnapshottedPlugInTimerFired();
 812     void resetPrimarySnapshottedPlugIn();
 813     bool matchesPrimaryPlugIn(const String& pageOrigin, const String& pluginOrigin, const String& mimeType) const;
 814     bool plugInIntersectsSearchRect(WebCore::HTMLPlugInImageElement& pluginImageElement);
 815     bool plugInIsPrimarySize(WebCore::HTMLPlugInImageElement& pluginImageElement, unsigned &pluginArea);
 816 #endif
 817
 818     unsigned extendIncrementalRenderingSuppression();
 819     void stopExtendingIncrementalRenderingSuppression(unsigned token);
 820     bool shouldExtendIncrementalRenderingSuppression() { return !m_activeRenderingSuppressionTokens.isEmpty(); }
 821
 822     WebCore::ScrollPinningBehavior scrollPinningBehavior() { return m_scrollPinningBehavior; }
 823     void setScrollPinningBehavior(uint32_t /* WebCore::ScrollPinningBehavior */ pinning);
 824
 825     WKTypeRef pageOverlayCopyAccessibilityAttributeValue(WKStringRef attribute, WKTypeRef parameter);
 826     WKArrayRef pageOverlayCopyAccessibilityAttributesNames(bool parameterizedNames);
 827
 828     PassRefPtr<WebCore::DocumentLoader> createDocumentLoader(WebCore::Frame&, const WebCore::ResourceRequest&, const WebCore::SubstituteData&);
 829
 830     void getBytecodeProfile(uint64_t callbackID);
 831
 832     // Some platforms require accessibility-enabled processes to spin the run loop so that the WebProcess doesn't hang.
 833     // While this is not ideal, it does not have to be applied to every platform at the moment.
 834     static bool synchronousMessagesShouldSpinRunLoop();
 835
 836 #if ENABLE(SERVICE_CONTROLS) || ENABLE(TELEPHONE_NUMBER_DETECTION)
 837     ServicesOverlayController& servicesOverlayController();
 838     void handleTelephoneNumberClick(const String& number, const WebCore::IntPoint&);
 839     void handleSelectionServiceClick(WebCore::FrameSelection&, const Vector<String>& telephoneNumbers, const WebCore::IntPoint&);
 840     bool serviceControlsEnabled() const { return m_serviceControlsEnabled; }
 841 #endif
 842
 843     void didChangeScrollOffsetForFrame(WebCore::Frame*);
 844
 845     void willChangeCurrentHistoryItem();
 846
 847 private:
 848     WebPage(uint64_t pageID, const WebPageCreationParameters&);
 849
 850     // IPC::MessageSender
 851     virtual IPC::Connection* messageSenderConnection() override;
 852     virtual uint64_t messageSenderDestinationID() override;
 853
 854     void platformInitialize();
 855
 856     void didReceiveWebPageMessage(IPC::Connection*, IPC::MessageDecoder&);
 857     void didReceiveSyncWebPageMessage(IPC::Connection*, IPC::MessageDecoder&, std::unique_ptr<IPC::MessageEncoder>&);
 858
 859 #if PLATFORM(IOS)
 860     void resetViewportDefaultConfiguration(WebFrame* mainFrame);
 861     void viewportConfigurationChanged();
 862     void updateViewportSizeForCSSViewportUnits();
 863
 864     static void convertSelectionRectsToRootView(WebCore::FrameView*, Vector<WebCore::SelectionRect>&);
 865     PassRefPtr<WebCore::Range> rangeForWebSelectionAtPosition(const WebCore::IntPoint&, const WebCore::VisiblePosition&, SelectionFlags&);
 866     PassRefPtr<WebCore::Range> rangeForBlockAtPoint(const WebCore::IntPoint&);
 867     void computeExpandAndShrinkThresholdsForHandle(const WebCore::IntPoint&, SelectionHandlePosition, float& growThreshold, float& shrinkThreshold);
 868     PassRefPtr<WebCore::Range> changeBlockSelection(const WebCore::IntPoint&, SelectionHandlePosition, float& growThreshold, float& shrinkThreshold, SelectionFlags&);
 869     PassRefPtr<WebCore::Range> expandedRangeFromHandle(WebCore::Range*, SelectionHandlePosition);
 870     PassRefPtr<WebCore::Range> contractedRangeFromHandle(WebCore::Range* currentRange, SelectionHandlePosition, SelectionFlags&);
 871     void getAssistedNodeInformation(AssistedNodeInformation&);
 872     void platformInitializeAccessibility();
 873     void handleSyntheticClick(WebCore::Node* nodeRespondingToClick, const WebCore::FloatPoint& location);
 874     void completeSyntheticClick(WebCore::Node* nodeRespondingToClick, const WebCore::FloatPoint& location);
 875     void sendTapHighlightForNodeIfNecessary(uint64_t requestID, WebCore::Node*);
 876     void resetTextAutosizingBeforeLayoutIfNeeded(const WebCore::FloatSize& oldSize, const WebCore::FloatSize& newSize);
 877 #endif
 878 #if !PLATFORM(COCOA)
 879     static const char* interpretKeyEvent(const WebCore::KeyboardEvent*);
 880 #endif
 881     bool performDefaultBehaviorForKeyEvent(const WebKeyboardEvent&);
 882
 883 #if PLATFORM(MAC)
 884     bool executeKeypressCommandsInternal(const Vector<WebCore::KeypressCommand>&, WebCore::KeyboardEvent*);
 885 #endif
 886
 887     String sourceForFrame(WebFrame*);
 888
 889     void loadDataImpl(uint64_t navigationID, PassRefPtr<WebCore::SharedBuffer>, const String& MIMEType, const String& encodingName, const WebCore::URL& baseURL, const WebCore::URL& failingURL, IPC::MessageDecoder&);
 890     void loadString(uint64_t navigationID, const String&, const String& MIMEType, const WebCore::URL& baseURL, const WebCore::URL& failingURL, IPC::MessageDecoder&);
 891
 892     bool platformHasLocalDataForURL(const WebCore::URL&);
 893
 894     // Actions
 895     void tryClose();
 896     void loadRequest(uint64_t navigationID, const WebCore::ResourceRequest&, const SandboxExtension::Handle&, IPC::MessageDecoder&);
 897     void loadData(const IPC::DataReference&, const String& MIMEType, const String& encodingName, const String& baseURL, IPC::MessageDecoder&);
 898     void loadHTMLString(uint64_t navigationID, const String& htmlString, const String& baseURL, IPC::MessageDecoder&);
 899     void loadAlternateHTMLString(const String& htmlString, const String& baseURL, const String& unreachableURL, IPC::MessageDecoder&);
 900     void loadPlainTextString(const String&, IPC::MessageDecoder&);
 901     void loadWebArchiveData(const IPC::DataReference&, IPC::MessageDecoder&);
 902     void reload(uint64_t navigationID, bool reloadFromOrigin, const SandboxExtension::Handle&);
 903     void goForward(uint64_t navigationID, uint64_t);
 904     void goBack(uint64_t navigationID, uint64_t);
 905     void goToBackForwardItem(uint64_t navigationID, uint64_t);
 906     void tryRestoreScrollPosition();
 907     void setActive(bool);
 908     void setFocused(bool);
 909     void setViewIsVisible(bool);
 910     void setInitialFocus(bool forward, bool isKeyboardEventValid, const WebKeyboardEvent&);
 911     void setWindowResizerSize(const WebCore::IntSize&);
 912     void updateIsInWindow(bool isInitialState = false);
 913     void setViewState(WebCore::ViewState::Flags, bool wantsDidUpdateViewState = false);
 914     void validateCommand(const String&, uint64_t);
 915     void executeEditCommand(const String&);
 916
 917     void mouseEvent(const WebMouseEvent&);
 918     void mouseEventSyncForTesting(const WebMouseEvent&, bool&);
 919     void wheelEventSyncForTesting(const WebWheelEvent&, bool&);
 920     void keyEvent(const WebKeyboardEvent&);
 921     void keyEventSyncForTesting(const WebKeyboardEvent&, bool&);
 922 #if ENABLE(IOS_TOUCH_EVENTS)
 923     void touchEventSync(const WebTouchEvent&, bool& handled);
 924 #elif ENABLE(TOUCH_EVENTS)
 925     void touchEvent(const WebTouchEvent&);
 926     void touchEventSyncForTesting(const WebTouchEvent&, bool& handled);
 927 #endif
 928 #if ENABLE(CONTEXT_MENUS)
 929     void contextMenuHidden() { m_isShowingContextMenu = false; }
 930 #endif
 931
 932     static bool scroll(WebCore::Page*, WebCore::ScrollDirection, WebCore::ScrollGranularity);
 933     static bool logicalScroll(WebCore::Page*, WebCore::ScrollLogicalDirection, WebCore::ScrollGranularity);
 934
 935     void loadURLInFrame(const String&, uint64_t frameID);
 936
 937     void restoreSession(const Vector<BackForwardListItemState>&);
 938     void didRemoveBackForwardItem(uint64_t);
 939
 940 #if ENABLE(REMOTE_INSPECTOR)
 941     void setAllowsRemoteInspection(bool);
 942 #endif
 943
 944     void setDrawsBackground(bool);
 945     void setDrawsTransparentBackground(bool);
 946
 947     void setTopContentInset(float);
 948
 949     void viewWillStartLiveResize();
 950     void viewWillEndLiveResize();
 951
 952     void getContentsAsString(uint64_t callbackID);
 953 #if ENABLE(MHTML)
 954     void getContentsAsMHTMLData(uint64_t callbackID, bool useBinaryEncoding);
 955 #endif
 956     void getMainResourceDataOfFrame(uint64_t frameID, uint64_t callbackID);
 957     void getResourceDataFromFrame(uint64_t frameID, const String& resourceURL, uint64_t callbackID);
 958     void getRenderTreeExternalRepresentation(uint64_t callbackID);
 959     void getSelectionOrContentsAsString(uint64_t callbackID);
 960     void getSelectionAsWebArchiveData(uint64_t callbackID);
 961     void getSourceForFrame(uint64_t frameID, uint64_t callbackID);
 962     void getWebArchiveOfFrame(uint64_t frameID, uint64_t callbackID);
 963     void runJavaScriptInMainFrame(const String&, uint64_t callbackID);
 964     void forceRepaint(uint64_t callbackID);
 965     void takeSnapshot(WebCore::IntRect snapshotRect, WebCore::IntSize bitmapSize, uint32_t options, uint64_t callbackID);
 966
 967     void preferencesDidChange(const WebPreferencesStore&);
 968     void platformPreferencesDidChange(const WebPreferencesStore&);
 969     void updatePreferences(const WebPreferencesStore&);
 970
 971     void didReceivePolicyDecision(uint64_t frameID, uint64_t listenerID, uint32_t policyAction, uint64_t navigationID, uint64_t downloadID);
 972     void setUserAgent(const String&);
 973     void setCustomTextEncodingName(const String&);
 974     void suspendActiveDOMObjectsAndAnimations();
 975     void resumeActiveDOMObjectsAndAnimations();
 976
 977 #if PLATFORM(COCOA)
 978     void performDictionaryLookupAtLocation(const WebCore::FloatPoint&);
 979     void performDictionaryLookupForRange(WebCore::Frame*, WebCore::Range&, NSDictionary *options);
 980
 981     void windowAndViewFramesChanged(const WebCore::FloatRect& windowFrameInScreenCoordinates, const WebCore::FloatRect& windowFrameInUnflippedScreenCoordinates, const WebCore::FloatRect& viewFrameInWindowCoordinates, const WebCore::FloatPoint& accessibilityViewCoordinates);
 982
 983     RetainPtr<PDFDocument> pdfDocumentForPrintingFrame(WebCore::Frame*);
 984     void computePagesForPrintingPDFDocument(uint64_t frameID, const PrintInfo&, Vector<WebCore::IntRect>& resultPageRects);
 985     void drawPDFDocument(CGContextRef, PDFDocument *, const PrintInfo&, const WebCore::IntRect&);
 986     void drawPagesToPDFFromPDFDocument(CGContextRef, PDFDocument *, const PrintInfo&, uint32_t first, uint32_t count);
 987 #endif
 988
 989     void setMainFrameIsScrollable(bool);
 990
 991     void unapplyEditCommand(uint64_t commandID);
 992     void reapplyEditCommand(uint64_t commandID);
 993     void didRemoveEditCommand(uint64_t commandID);
 994
 995     void findString(const String&, uint32_t findOptions, uint32_t maxMatchCount);
 996     void findStringMatches(const String&, uint32_t findOptions, uint32_t maxMatchCount);
 997     void getImageForFindMatch(uint32_t matchIndex);
 998     void selectFindMatch(uint32_t matchIndex);
 999     void hideFindUI();
1000     void countStringMatches(const String&, uint32_t findOptions, uint32_t maxMatchCount);
1001
1002 #if USE(COORDINATED_GRAPHICS)
1003     void findZoomableAreaForPoint(const WebCore::IntPoint&, const WebCore::IntSize& area);
1004 #endif
1005
1006     void didChangeSelectedIndexForActivePopupMenu(int32_t newIndex);
1007     void setTextForActivePopupMenu(int32_t index);
1008
1009 #if PLATFORM(GTK)
1010     void failedToShowPopupMenu();
1011 #endif
1012
1013 #if PLATFORM(IOS)
1014     void didChooseFilesForOpenPanelWithDisplayStringAndIcon(const Vector<String>&, const String& displayString, const IPC::DataReference& iconData);
1015 #endif
1016     void didChooseFilesForOpenPanel(const Vector<String>&);
1017     void didCancelForOpenPanel();
1018 #if ENABLE(SANDBOX_EXTENSIONS)
1019     void extendSandboxForFileFromOpenPanel(const SandboxExtension::Handle&);
1020 #endif
1021
1022     void didReceiveGeolocationPermissionDecision(uint64_t geolocationID, bool allowed);
1023
1024     void didReceiveNotificationPermissionDecision(uint64_t notificationID, bool allowed);
1025
1026     void advanceToNextMisspelling(bool startBeforeSelection);
1027     void changeSpellingToWord(const String& word);
1028 #if USE(APPKIT)
1029     void uppercaseWord();
1030     void lowercaseWord();
1031     void capitalizeWord();
1032 #endif
1033
1034 #if ENABLE(CONTEXT_MENUS)
1035     void didSelectItemFromActiveContextMenu(const WebContextMenuItemData&);
1036 #endif
1037
1038     void changeSelectedIndex(int32_t index);
1039     void setCanStartMediaTimerFired();
1040
1041     bool canHandleUserEvents() const;
1042
1043     static bool platformCanHandleRequest(const WebCore::ResourceRequest&);
1044
1045     static PluginView* focusedPluginViewForFrame(WebCore::Frame&);
1046     static PluginView* pluginViewForFrame(WebCore::Frame*);
1047
1048     static PassRefPtr<WebCore::Range> rangeFromEditingRange(WebCore::Frame&, const EditingRange&);
1049
1050     void reportUsedFeatures();
1051
1052     uint64_t m_pageID;
1053
1054     std::unique_ptr<WebCore::Page> m_page;
1055     RefPtr<WebFrame> m_mainFrame;
1056     RefPtr<InjectedBundleBackForwardList> m_backForwardList;
1057
1058     RefPtr<WebPageGroupProxy> m_pageGroup;
1059
1060     String m_userAgent;
1061
1062     WebCore::IntSize m_viewSize;
1063     std::unique_ptr<DrawingArea> m_drawingArea;
1064
1065     HashSet<PluginView*> m_pluginViews;
1066     bool m_hasSeenPlugin;
1067
1068     HashMap<uint64_t, RefPtr<WebCore::TextCheckingRequest>> m_pendingTextCheckingRequestMap;
1069
1070     bool m_useFixedLayout;
1071
1072     bool m_drawsBackground;
1073     bool m_drawsTransparentBackground;
1074
1075     WebCore::Color m_underlayColor;
1076
1077     bool m_isInRedo;
1078     bool m_isClosed;
1079
1080     bool m_tabToLinks;
1081
1082     bool m_asynchronousPluginInitializationEnabled;
1083     bool m_asynchronousPluginInitializationEnabledForAllPlugins;
1084     bool m_artificialPluginInitializationDelayEnabled;
1085
1086     bool m_scrollingPerformanceLoggingEnabled;
1087
1088     bool m_mainFrameIsScrollable;
1089
1090 #if ENABLE(PRIMARY_SNAPSHOTTED_PLUGIN_HEURISTIC)
1091     bool m_readyToFindPrimarySnapshottedPlugin;
1092     bool m_didFindPrimarySnapshottedPlugin;
1093     unsigned m_numberOfPrimarySnapshotDetectionAttempts;
1094     String m_primaryPlugInPageOrigin;
1095     String m_primaryPlugInOrigin;
1096     String m_primaryPlugInMimeType;
1097     RunLoop::Timer<WebPage> m_determinePrimarySnapshottedPlugInTimer;
1098 #endif
1099
1100 #if ENABLE(SERVICE_CONTROLS) || ENABLE(TELEPHONE_NUMBER_DETECTION)
1101     bool m_serviceControlsEnabled;
1102 #endif
1103
1104     // The layer hosting mode.
1105     LayerHostingMode m_layerHostingMode;
1106
1107 #if PLATFORM(COCOA)
1108     bool m_pdfPluginEnabled;
1109
1110     bool m_hasCachedWindowFrame;
1111
1112     // The frame of the containing window in screen coordinates.
1113     WebCore::FloatRect m_windowFrameInScreenCoordinates;
1114
1115     // The frame of the containing window in unflipped screen coordinates.
1116     WebCore::FloatRect m_windowFrameInUnflippedScreenCoordinates;
1117
1118     // The frame of the view in window coordinates.
1119     WebCore::FloatRect m_viewFrameInWindowCoordinates;
1120
1121     // The accessibility position of the view.
1122     WebCore::FloatPoint m_accessibilityPosition;
1123
1124     RetainPtr<WKAccessibilityWebPageObject> m_mockAccessibilityElement;
1125
1126     ViewGestureGeometryCollector m_viewGestureGeometryCollector;
1127
1128 #elif HAVE(ACCESSIBILITY) && (PLATFORM(GTK) || PLATFORM(EFL))
1129     GRefPtr<WebPageAccessibilityObject> m_accessibilityObject;
1130 #endif
1131
1132 #if PLATFORM(GTK) && USE(TEXTURE_MAPPER_GL)
1133     // Our view's window in the UI process.
1134     uint64_t m_nativeWindowHandle;
1135 #endif
1136
1137 #if !PLATFORM(IOS)
1138     RefPtr<PageBanner> m_headerBanner;
1139     RefPtr<PageBanner> m_footerBanner;
1140 #endif // !PLATFORM(IOS)
1141
1142     RunLoop::Timer<WebPage> m_setCanStartMediaTimer;
1143     bool m_mayStartMediaWhenInWindow;
1144
1145     HashMap<uint64_t, RefPtr<WebUndoStep>> m_undoStepMap;
1146
1147     WebCore::IntSize m_windowResizerSize;
1148
1149 #if ENABLE(CONTEXT_MENUS)
1150     InjectedBundlePageContextMenuClient m_contextMenuClient;
1151 #endif
1152     InjectedBundlePageEditorClient m_editorClient;
1153     std::unique_ptr<API::InjectedBundle::FormClient> m_formClient;
1154     InjectedBundlePageLoaderClient m_loaderClient;
1155     InjectedBundlePagePolicyClient m_policyClient;
1156     InjectedBundlePageResourceLoadClient m_resourceLoadClient;
1157     std::unique_ptr<API::InjectedBundle::PageUIClient> m_uiClient;
1158 #if ENABLE(FULLSCREEN_API)
1159     InjectedBundlePageFullScreenClient m_fullScreenClient;
1160 #endif
1161     InjectedBundlePageDiagnosticLoggingClient m_logDiagnosticMessageClient;
1162
1163     FindController m_findController;
1164
1165 #if ENABLE(INSPECTOR)
1166     RefPtr<WebInspector> m_inspector;
1167 #endif
1168 #if PLATFORM(IOS)
1169     RefPtr<WebVideoFullscreenManager> m_videoFullscreenManager;
1170 #endif
1171 #if ENABLE(FULLSCREEN_API)
1172     RefPtr<WebFullScreenManager> m_fullScreenManager;
1173 #endif
1174     RefPtr<WebPopupMenu> m_activePopupMenu;
1175 #if ENABLE(CONTEXT_MENUS)
1176     RefPtr<WebContextMenu> m_contextMenu;
1177 #endif
1178 #if ENABLE(INPUT_TYPE_COLOR)
1179     WebColorChooser* m_activeColorChooser;
1180 #endif
1181     RefPtr<WebOpenPanelResultListener> m_activeOpenPanelResultListener;
1182     RefPtr<NotificationPermissionRequestManager> m_notificationPermissionRequestManager;
1183
1184     RefPtr<WebUserContentController> m_userContentController;
1185
1186 #if ENABLE(GEOLOCATION)
1187     GeolocationPermissionRequestManager m_geolocationPermissionRequestManager;
1188 #endif
1189
1190     std::unique_ptr<WebCore::PrintContext> m_printContext;
1191 #if PLATFORM(GTK)
1192     RefPtr<WebPrintOperationGtk> m_printOperation;
1193 #endif
1194
1195     SandboxExtensionTracker m_sandboxExtensionTracker;
1196
1197     RefPtr<SandboxExtension> m_pendingDropSandboxExtension;
1198     Vector<RefPtr<SandboxExtension>> m_pendingDropExtensionsForFileUpload;
1199
1200     bool m_canRunBeforeUnloadConfirmPanel;
1201
1202     bool m_canRunModal;
1203     bool m_isRunningModal;
1204
1205     bool m_cachedMainFrameIsPinnedToLeftSide;
1206     bool m_cachedMainFrameIsPinnedToRightSide;
1207     bool m_cachedMainFrameIsPinnedToTopSide;
1208     bool m_cachedMainFrameIsPinnedToBottomSide;
1209     bool m_canShortCircuitHorizontalWheelEvents;
1210     unsigned m_numWheelEventHandlers;
1211
1212     unsigned m_cachedPageCount;
1213
1214     HashSet<unsigned long> m_networkResourceRequestIdentifiers;
1215
1216     WebCore::IntSize m_minimumLayoutSize;
1217     bool m_autoSizingShouldExpandToViewHeight;
1218
1219 #if ENABLE(CONTEXT_MENUS)
1220     bool m_isShowingContextMenu;
1221 #endif
1222
1223 #if PLATFORM(IOS)
1224     RefPtr<WebCore::Node> m_assistedNode;
1225     RefPtr<WebCore::Range> m_currentWordRange;
1226     RefPtr<WebCore::Node> m_interactionNode;
1227     WebCore::IntPoint m_lastInteractionLocation;
1228
1229     RefPtr<WebCore::Node> m_potentialTapNode;
1230     WebCore::FloatPoint m_potentialTapLocation;
1231
1232     WebCore::ViewportConfiguration m_viewportConfiguration;
1233     uint64_t m_firstLayerTreeTransactionIDAfterDidCommitLoad;
1234     bool m_hasReceivedVisibleContentRectsAfterDidCommitLoad;
1235     bool m_scaleWasSetByUIProcess;
1236     bool m_userHasChangedPageScaleFactor;
1237     bool m_hasStablePageScaleFactor;
1238     bool m_userIsInteracting;
1239     bool m_hasPendingBlurNotification;
1240     bool m_useTestingViewportConfiguration;
1241     bool m_isInStableState;
1242     std::chrono::milliseconds m_oldestNonStableUpdateVisibleContentRectsTimestamp;
1243     std::chrono::milliseconds m_estimatedLatency;
1244     WebCore::FloatSize m_screenSize;
1245     WebCore::FloatSize m_availableScreenSize;
1246     RefPtr<WebCore::Range> m_currentBlockSelection;
1247     WebCore::IntSize m_blockSelectionDesiredSize;
1248     WebCore::FloatSize m_maximumUnobscuredSize;
1249     int32_t m_deviceOrientation;
1250     bool m_inDynamicSizeUpdate;
1251     HashMap<std::pair<WebCore::IntSize, double>, WebCore::IntPoint> m_dynamicSizeUpdateHistory;
1252     RefPtr<WebCore::Node> m_pendingSyntheticClickNode;
1253     WebCore::FloatPoint m_pendingSyntheticClickLocation;
1254 #endif
1255
1256     WebInspectorClient* m_inspectorClient;
1257
1258     HashSet<String, CaseFoldingHash> m_mimeTypesWithCustomContentProviders;
1259     WebCore::Color m_backgroundColor;
1260
1261     HashSet<unsigned> m_activeRenderingSuppressionTokens;
1262     unsigned m_maximumRenderingSuppressionToken;
1263
1264     WebCore::ScrollPinningBehavior m_scrollPinningBehavior;
1265
1266     bool m_useAsyncScrolling;
1267
1268     WebCore::ViewState::Flags m_viewState;
1269
1270     UserActivity m_processSuppressionDisabledByWebPreference;
1271
1272     uint64_t m_pendingNavigationID;
1273
1274     double m_pageScaleWithoutThumbnailScale;
1275     WebCore::IntPoint m_scrollPositionIgnoringThumbnailScale;
1276     double m_thumbnailScale;
1277
1278 #if ENABLE(WEBGL)
1279     WebCore::WebGLLoadPolicy m_systemWebGLPolicy;
1280 #endif
1281
1282 #if ENABLE(SERVICE_CONTROLS) || ENABLE(TELEPHONE_NUMBER_DETECTION)
1283     std::unique_ptr<ServicesOverlayController> m_servicesOverlayController;
1284 #endif
1285
1286     PageOverlayController m_pageOverlayController;
1287 };
1288
1289 } // namespace WebKit
1290
1291 #endif // WebPage_h