Source/WebKit2/UIProcess/WebPageProxy.h

   1 /*
   2  * Copyright (C) 2010, 2011, 2014-2015 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 WebPageProxy_h
  27 #define WebPageProxy_h
  28
  29 #include "APIObject.h"
  30 #include "APISession.h"
  31 #include "AssistedNodeInformation.h"
  32 #include "AutoCorrectionCallback.h"
  33 #include "Connection.h"
  34 #include "ContextMenuContextData.h"
  35 #include "DragControllerAction.h"
  36 #include "DrawingAreaProxy.h"
  37 #include "EditingRange.h"
  38 #include "EditorState.h"
  39 #include "GeolocationPermissionRequestManagerProxy.h"
  40 #include "InteractionInformationAtPosition.h"
  41 #include "LayerTreeContext.h"
  42 #include "MessageSender.h"
  43 #include "NotificationPermissionRequestManagerProxy.h"
  44 #include "PageLoadState.h"
  45 #include "PlatformProcessIdentifier.h"
  46 #include "ProcessThrottler.h"
  47 #include "SandboxExtension.h"
  48 #include "ShareableBitmap.h"
  49 #include "UserMediaPermissionRequestManagerProxy.h"
  50 #include "VisibleContentRectUpdateInfo.h"
  51 #include "WKBase.h"
  52 #include "WKPagePrivate.h"
  53 #include "WebColorPicker.h"
  54 #include "WebContextMenuItemData.h"
  55 #include "WebCoreArgumentCoders.h"
  56 #include "WebFindClient.h"
  57 #include "WebFrameProxy.h"
  58 #include "WebPageCreationParameters.h"
  59 #include "WebPageDiagnosticLoggingClient.h"
  60 #include "WebPageInjectedBundleClient.h"
  61 #include "WebPreferences.h"
  62 #include <WebCore/AlternativeTextClient.h> // FIXME: Needed by WebPageProxyMessages.h for DICTATION_ALTERNATIVES.
  63 #include "WebPageProxyMessages.h"
  64 #include "WebPopupMenuProxy.h"
  65 #include "WebProcessLifetimeTracker.h"
  66 #include <WebCore/Color.h>
  67 #include <WebCore/DragActions.h>
  68 #include <WebCore/FrameLoaderTypes.h>
  69 #include <WebCore/HitTestResult.h>
  70 #include <WebCore/MediaProducer.h>
  71 #include <WebCore/Page.h>
  72 #include <WebCore/PlatformScreen.h>
  73 #include <WebCore/ScrollTypes.h>
  74 #include <WebCore/TextChecking.h>
  75 #include <WebCore/TextGranularity.h>
  76 #include <WebCore/ViewState.h>
  77 #include <WebCore/VisibleSelection.h>
  78 #include <memory>
  79 #include <wtf/HashMap.h>
  80 #include <wtf/HashSet.h>
  81 #include <wtf/PassRefPtr.h>
  82 #include <wtf/Ref.h>
  83 #include <wtf/RefPtr.h>
  84 #include <wtf/Vector.h>
  85 #include <wtf/text/WTFString.h>
  86
  87 #if ENABLE(DRAG_SUPPORT)
  88 #include <WebCore/DragActions.h>
  89 #endif
  90
  91 #if ENABLE(TOUCH_EVENTS)
  92 #include "NativeWebTouchEvent.h"
  93 #endif
  94
  95 #if PLATFORM(EFL)
  96 #include "WKPageEfl.h"
  97 #include "WebUIPopupMenuClient.h"
  98 #include <Evas.h>
  99 #endif
 100
 101 #if PLATFORM(COCOA)
 102 #include "LayerRepresentation.h"
 103 #endif
 104
 105 #if PLATFORM(MAC)
 106 #include "AttributedString.h"
 107 #endif
 108
 109 #if PLATFORM(IOS)
 110 #include "ProcessThrottler.h"
 111 #endif
 112
 113 #if PLATFORM(GTK)
 114 #include "ArgumentCodersGtk.h"
 115 #endif
 116
 117 #if ENABLE(WIRELESS_PLAYBACK_TARGET) && !PLATFORM(IOS)
 118 #include <WebCore/MediaPlaybackTargetPicker.h>
 119 #include <WebCore/WebMediaSessionManagerClient.h>
 120 #endif
 121
 122 namespace API {
 123 class ContextMenuClient;
 124 class FindClient;
 125 class FormClient;
 126 class HistoryClient;
 127 class LoaderClient;
 128 class Navigation;
 129 class NavigationClient;
 130 class PolicyClient;
 131 class UIClient;
 132 class URLRequest;
 133 }
 134
 135 namespace IPC {
 136 class ArgumentDecoder;
 137 class Connection;
 138 }
 139
 140 namespace WebCore {
 141 class AuthenticationChallenge;
 142 class Cursor;
 143 class DragData;
 144 class FloatRect;
 145 class GraphicsLayer;
 146 class IntSize;
 147 class MediaConstraintsImpl;
 148 class ProtectionSpace;
 149 class RunLoopObserver;
 150 class SharedBuffer;
 151 class TextIndicator;
 152 struct FileChooserSettings;
 153 struct TextAlternativeWithRange;
 154 struct TextCheckingResult;
 155 struct ViewportAttributes;
 156 struct WindowFeatures;
 157 }
 158
 159 #if USE(APPKIT)
 160 OBJC_CLASS WKView;
 161 #endif
 162
 163 #if PLATFORM(GTK)
 164 typedef GtkWidget* PlatformWidget;
 165 #endif
 166
 167 namespace WebKit {
 168
 169 class CertificateInfo;
 170 class NativeWebKeyboardEvent;
 171 class NativeWebMouseEvent;
 172 class NativeWebWheelEvent;
 173 class PageClient;
 174 class RemoteLayerTreeScrollingPerformanceData;
 175 class RemoteLayerTreeTransaction;
 176 class RemoteScrollingCoordinatorProxy;
 177 class StringPairVector;
 178 class UserData;
 179 class ViewSnapshot;
 180 class VisitedLinkProvider;
 181 class WebBackForwardList;
 182 class WebBackForwardListItem;
 183 class WebContextMenuProxy;
 184 class WebEditCommandProxy;
 185 class WebFullScreenManagerProxy;
 186 class WebNavigationState;
 187 class WebVideoFullscreenManagerProxy;
 188 class WebKeyboardEvent;
 189 class WebMouseEvent;
 190 class WebOpenPanelResultListenerProxy;
 191 class WebPageGroup;
 192 class WebProcessProxy;
 193 class WebUserContentControllerProxy;
 194 class WebWheelEvent;
 195 class WebsiteDataStore;
 196 struct AttributedString;
 197 struct ColorSpaceData;
 198 struct DictionaryPopupInfo;
 199 struct EditingRange;
 200 struct EditorState;
 201 struct PlatformPopupMenuData;
 202 struct PrintInfo;
 203 struct WebPopupItem;
 204
 205 #if ENABLE(VIBRATION)
 206 class WebVibrationProxy;
 207 #endif
 208
 209 #if USE(QUICK_LOOK)
 210 class QuickLookDocumentData;
 211 #endif
 212
 213 typedef GenericCallback<uint64_t> UnsignedCallback;
 214 typedef GenericCallback<EditingRange> EditingRangeCallback;
 215 typedef GenericCallback<const String&> StringCallback;
 216 typedef GenericCallback<API::SerializedScriptValue*> ScriptValueCallback;
 217
 218 #if PLATFORM(GTK)
 219 typedef GenericCallback<API::Error*> PrintFinishedCallback;
 220 #endif
 221
 222 #if ENABLE(TOUCH_EVENTS)
 223 struct QueuedTouchEvents {
 224     QueuedTouchEvents(const NativeWebTouchEvent& event)
 225         : forwardedEvent(event)
 226     {
 227     }
 228     NativeWebTouchEvent forwardedEvent;
 229     Vector<NativeWebTouchEvent> deferredTouchEvents;
 230 };
 231 #endif
 232
 233 typedef GenericCallback<const String&, bool, int32_t> ValidateCommandCallback;
 234 typedef GenericCallback<const WebCore::IntRect&, const EditingRange&> RectForCharacterRangeCallback;
 235
 236 #if PLATFORM(MAC)
 237 typedef GenericCallback<const AttributedString&, const EditingRange&> AttributedStringForCharacterRangeCallback;
 238 typedef GenericCallback<const String&, double, bool> FontAtSelectionCallback;
 239 #endif
 240
 241 #if PLATFORM(IOS)
 242 typedef GenericCallback<const WebCore::IntPoint&, uint32_t, uint32_t, uint32_t> GestureCallback;
 243 typedef GenericCallback<const WebCore::IntPoint&, uint32_t> TouchesCallback;
 244 #endif
 245
 246 #if PLATFORM(COCOA)
 247 typedef GenericCallback<const WebCore::MachSendRight&> MachSendRightCallback;
 248 #endif
 249
 250 struct WebPageConfiguration {
 251     WebPageGroup* pageGroup = nullptr;
 252     WebPreferences* preferences = nullptr;
 253     WebUserContentControllerProxy* userContentController = nullptr;
 254     VisitedLinkProvider* visitedLinkProvider = nullptr;
 255
 256     WebsiteDataStore* websiteDataStore = nullptr;
 257     // FIXME: We currently have to pass the session ID separately here to support the legacy private browsing session.
 258     // Once we get rid of it we should get rid of this configuration parameter as well.
 259     WebCore::SessionID sessionID;
 260
 261     WebPageProxy* relatedPage = nullptr;
 262
 263     bool treatsSHA1SignedCertificatesAsInsecure = false;
 264
 265     WebPreferencesStore::ValueMap preferenceValues;
 266 };
 267
 268 class WebPageProxy : public API::ObjectImpl<API::Object::Type::Page>
 269 #if ENABLE(INPUT_TYPE_COLOR)
 270     , public WebColorPicker::Client
 271 #endif
 272 #if ENABLE(WIRELESS_PLAYBACK_TARGET) && !PLATFORM(IOS)
 273     , public WebCore::WebMediaSessionManagerClient
 274 #endif
 275     , public WebPopupMenuProxy::Client
 276     , public IPC::MessageReceiver
 277     , public IPC::MessageSender {
 278 public:
 279     static Ref<WebPageProxy> create(PageClient&, WebProcessProxy&, uint64_t pageID, const WebPageConfiguration&);
 280     virtual ~WebPageProxy();
 281
 282     uint64_t pageID() const { return m_pageID; }
 283     WebCore::SessionID sessionID() const { return m_sessionID; }
 284     void setSessionID(WebCore::SessionID);
 285
 286     WebFrameProxy* mainFrame() const { return m_mainFrame.get(); }
 287     WebFrameProxy* focusedFrame() const { return m_focusedFrame.get(); }
 288     WebFrameProxy* frameSetLargestFrame() const { return m_frameSetLargestFrame.get(); }
 289
 290     DrawingAreaProxy* drawingArea() const { return m_drawingArea.get(); }
 291
 292     WebNavigationState& navigationState() { return *m_navigationState.get(); }
 293
 294     WebsiteDataStore& websiteDataStore() { return m_websiteDataStore; }
 295
 296 #if ENABLE(ASYNC_SCROLLING)
 297     RemoteScrollingCoordinatorProxy* scrollingCoordinatorProxy() const { return m_scrollingCoordinatorProxy.get(); }
 298 #endif
 299
 300     WebBackForwardList& backForwardList() { return m_backForwardList; }
 301
 302     bool addsVisitedLinks() const { return m_addsVisitedLinks; }
 303     void setAddsVisitedLinks(bool addsVisitedLinks) { m_addsVisitedLinks = addsVisitedLinks; }
 304
 305     void fullscreenMayReturnToInline();
 306     void didEnterFullscreen();
 307     void didExitFullscreen();
 308
 309     WebInspectorProxy* inspector();
 310
 311 #if ENABLE(REMOTE_INSPECTOR)
 312     bool allowsRemoteInspection() const { return m_allowsRemoteInspection; }
 313     void setAllowsRemoteInspection(bool);
 314 #endif
 315
 316 #if ENABLE(VIBRATION)
 317     WebVibrationProxy* vibration() { return m_vibration.get(); }
 318 #endif
 319
 320 #if ENABLE(FULLSCREEN_API)
 321     WebFullScreenManagerProxy* fullScreenManager();
 322 #endif
 323 #if PLATFORM(IOS)
 324     RefPtr<WebVideoFullscreenManagerProxy> videoFullscreenManager();
 325 #endif
 326
 327 #if ENABLE(CONTEXT_MENUS)
 328     void setContextMenuClient(std::unique_ptr<API::ContextMenuClient>);
 329 #endif
 330     API::FindClient& findClient() { return *m_findClient; }
 331     void setFindClient(std::unique_ptr<API::FindClient>);
 332     API::DiagnosticLoggingClient& diagnosticLoggingClient() { return *m_diagnosticLoggingClient; }
 333     void setDiagnosticLoggingClient(std::unique_ptr<API::DiagnosticLoggingClient>);
 334     void initializeFindMatchesClient(const WKPageFindMatchesClientBase*);
 335     void setFormClient(std::unique_ptr<API::FormClient>);
 336     void setNavigationClient(std::unique_ptr<API::NavigationClient>);
 337     void setHistoryClient(std::unique_ptr<API::HistoryClient>);
 338     void setLoaderClient(std::unique_ptr<API::LoaderClient>);
 339     void setPolicyClient(std::unique_ptr<API::PolicyClient>);
 340     void setInjectedBundleClient(const WKPageInjectedBundleClientBase*);
 341     WebPageInjectedBundleClient* injectedBundleClient() { return m_injectedBundleClient.get(); }
 342
 343     API::UIClient& uiClient() { return *m_uiClient; }
 344     void setUIClient(std::unique_ptr<API::UIClient>);
 345 #if PLATFORM(EFL)
 346     void initializeUIPopupMenuClient(const WKPageUIPopupMenuClientBase*);
 347 #endif
 348
 349     void initializeWebPage();
 350
 351     void close();
 352     bool tryClose();
 353     bool isClosed() const { return m_isClosed; }
 354
 355     RefPtr<API::Navigation> loadRequest(const WebCore::ResourceRequest&, WebCore::ShouldOpenExternalURLsPolicy = WebCore::ShouldOpenExternalURLsPolicy::ShouldNotAllow, API::Object* userData = nullptr);
 356     RefPtr<API::Navigation> loadFile(const String& fileURL, const String& resourceDirectoryURL, API::Object* userData = nullptr);
 357     RefPtr<API::Navigation> loadData(API::Data*, const String& MIMEType, const String& encoding, const String& baseURL, API::Object* userData = nullptr);
 358     RefPtr<API::Navigation> loadHTMLString(const String& htmlString, const String& baseURL, API::Object* userData = nullptr);
 359     void loadAlternateHTMLString(const String& htmlString, const String& baseURL, const String& unreachableURL, API::Object* userData = nullptr);
 360     void loadPlainTextString(const String&, API::Object* userData = nullptr);
 361     void loadWebArchiveData(API::Data*, API::Object* userData = nullptr);
 362     void navigateToPDFLinkWithSimulatedClick(const String& url, WebCore::IntPoint documentPoint, WebCore::IntPoint screenPoint);
 363
 364     void stopLoading();
 365     RefPtr<API::Navigation> reload(bool reloadFromOrigin);
 366
 367     RefPtr<API::Navigation> goForward();
 368     RefPtr<API::Navigation> goBack();
 369
 370     RefPtr<API::Navigation> goToBackForwardItem(WebBackForwardListItem*);
 371     void tryRestoreScrollPosition();
 372     void didChangeBackForwardList(WebBackForwardListItem* addedItem, Vector<RefPtr<WebBackForwardListItem>> removed);
 373     void willGoToBackForwardListItem(uint64_t itemID, const UserData&);
 374
 375     bool shouldKeepCurrentBackForwardListItemInList(WebBackForwardListItem*);
 376
 377     bool willHandleHorizontalScrollEvents() const;
 378
 379     bool canShowMIMEType(const String& mimeType);
 380
 381     bool drawsBackground() const { return m_drawsBackground; }
 382     void setDrawsBackground(bool);
 383
 384     bool drawsTransparentBackground() const { return m_drawsTransparentBackground; }
 385     void setDrawsTransparentBackground(bool);
 386
 387     float topContentInset() const { return m_topContentInset; }
 388     void setTopContentInset(float);
 389
 390     WebCore::Color underlayColor() const { return m_underlayColor; }
 391     void setUnderlayColor(const WebCore::Color&);
 392
 393     // At this time, m_pageExtendedBackgroundColor can be set via pageExtendedBackgroundColorDidChange() which is a message
 394     // from the UIProcess, or by didCommitLayerTree(). When PLATFORM(MAC) adopts UI side compositing, we should get rid of
 395     // the message entirely.
 396     WebCore::Color pageExtendedBackgroundColor() const { return m_pageExtendedBackgroundColor; }
 397
 398     void viewWillStartLiveResize();
 399     void viewWillEndLiveResize();
 400
 401     void setInitialFocus(bool forward, bool isKeyboardEventValid, const WebKeyboardEvent&, std::function<void (CallbackBase::Error)>);
 402     void setWindowResizerSize(const WebCore::IntSize&);
 403
 404     void clearSelection();
 405     void restoreSelectionInFocusedEditableElement();
 406
 407     void setViewNeedsDisplay(const WebCore::IntRect&);
 408     void displayView();
 409     bool canScrollView();
 410     void scrollView(const WebCore::IntRect& scrollRect, const WebCore::IntSize& scrollOffset); // FIXME: CoordinatedGraphics should use requestScroll().
 411     void requestScroll(const WebCore::FloatPoint& scrollPosition, bool isProgrammaticScroll);
 412
 413     void setDelegatesScrolling(bool delegatesScrolling) { m_delegatesScrolling = delegatesScrolling; }
 414     bool delegatesScrolling() const { return m_delegatesScrolling; }
 415
 416     enum class ViewStateChangeDispatchMode { Deferrable, Immediate };
 417     void viewStateDidChange(WebCore::ViewState::Flags mayHaveChanged, bool wantsSynchronousReply = false, ViewStateChangeDispatchMode = ViewStateChangeDispatchMode::Deferrable);
 418     bool isInWindow() const { return m_viewState & WebCore::ViewState::IsInWindow; }
 419     void waitForDidUpdateViewState();
 420     void didUpdateViewState() { m_waitingForDidUpdateViewState = false; }
 421
 422     void layerHostingModeDidChange();
 423
 424     WebCore::IntSize viewSize() const;
 425     bool isViewVisible() const { return m_viewState & WebCore::ViewState::IsVisible; }
 426     bool isViewWindowActive() const;
 427
 428     void addMIMETypeWithCustomContentProvider(const String& mimeType);
 429
 430     void executeEditCommand(const String& commandName);
 431     void validateCommand(const String& commandName, std::function<void (const String&, bool, int32_t, CallbackBase::Error)>);
 432
 433     const EditorState& editorState() const { return m_editorState; }
 434     bool canDelete() const { return hasSelectedRange() && isContentEditable(); }
 435     bool hasSelectedRange() const { return m_editorState.selectionIsRange; }
 436     bool isContentEditable() const { return m_editorState.isContentEditable; }
 437
 438     bool maintainsInactiveSelection() const { return m_maintainsInactiveSelection; }
 439     void setMaintainsInactiveSelection(bool);
 440     void setEditable(bool);
 441     bool isEditable() const { return m_isEditable; }
 442
 443 #if PLATFORM(IOS)
 444     void executeEditCommand(const String& commandName, std::function<void (CallbackBase::Error)>);
 445     double displayedContentScale() const { return m_lastVisibleContentRectUpdate.scale(); }
 446     const WebCore::FloatRect& exposedContentRect() const { return m_lastVisibleContentRectUpdate.exposedRect(); }
 447     const WebCore::FloatRect& unobscuredContentRect() const { return m_lastVisibleContentRectUpdate.unobscuredRect(); }
 448
 449     void updateVisibleContentRects(const WebCore::FloatRect& exposedRect, const WebCore::FloatRect& unobscuredRect, const WebCore::FloatRect& unobscuredRectInScrollViewCoordinates, const WebCore::FloatRect& customFixedPositionRect, double scale, bool inStableState, bool isChangingObscuredInsetsInteractively, double timestamp, double horizontalVelocity, double verticalVelocity, double scaleChangeRate);
 450     void resendLastVisibleContentRects();
 451
 452     enum class UnobscuredRectConstraint { ConstrainedToDocumentRect, Unconstrained };
 453     WebCore::FloatRect computeCustomFixedPositionRect(const WebCore::FloatRect& unobscuredContentRect, double displayedContentScale, UnobscuredRectConstraint = UnobscuredRectConstraint::Unconstrained) const;
 454     void overflowScrollViewWillStartPanGesture();
 455     void overflowScrollViewDidScroll();
 456     void overflowScrollWillStartScroll();
 457     void overflowScrollDidEndScroll();
 458
 459     void dynamicViewportSizeUpdate(const WebCore::FloatSize& minimumLayoutSize, const WebCore::FloatSize& maximumUnobscuredSize, const WebCore::FloatRect& targetExposedContentRect, const WebCore::FloatRect& targetUnobscuredRect, const WebCore::FloatRect& targetUnobscuredRectInScrollViewCoordinates, double targetScale, int32_t deviceOrientation);
 460     void synchronizeDynamicViewportUpdate();
 461
 462     void setViewportConfigurationMinimumLayoutSize(const WebCore::FloatSize&);
 463     void setMaximumUnobscuredSize(const WebCore::FloatSize&);
 464     void setDeviceOrientation(int32_t);
 465     int32_t deviceOrientation() const { return m_deviceOrientation; }
 466     void willCommitLayerTree(uint64_t transactionID);
 467
 468     void selectWithGesture(const WebCore::IntPoint, WebCore::TextGranularity, uint32_t gestureType, uint32_t gestureState, std::function<void (const WebCore::IntPoint&, uint32_t, uint32_t, uint32_t, CallbackBase::Error)>);
 469     void updateSelectionWithTouches(const WebCore::IntPoint, uint32_t touches, bool baseIsStart, std::function<void (const WebCore::IntPoint&, uint32_t, CallbackBase::Error)>);
 470     void selectWithTwoTouches(const WebCore::IntPoint from, const WebCore::IntPoint to, uint32_t gestureType, uint32_t gestureState, std::function<void (const WebCore::IntPoint&, uint32_t, uint32_t, uint32_t, CallbackBase::Error)>);
 471     void updateBlockSelectionWithTouch(const WebCore::IntPoint, uint32_t touch, uint32_t handlePosition);
 472     void extendSelection(WebCore::TextGranularity);
 473     void selectWordBackward();
 474     void moveSelectionByOffset(int32_t offset, std::function<void (CallbackBase::Error)>);
 475     void selectTextWithGranularityAtPoint(const WebCore::IntPoint, WebCore::TextGranularity, std::function<void (CallbackBase::Error)>);
 476     void selectPositionAtPoint(const WebCore::IntPoint, std::function<void (CallbackBase::Error)>);
 477     void selectPositionAtBoundaryWithDirection(const WebCore::IntPoint, WebCore::TextGranularity, WebCore::SelectionDirection, std::function<void (CallbackBase::Error)>);
 478     void moveSelectionAtBoundaryWithDirection(WebCore::TextGranularity, WebCore::SelectionDirection, std::function<void(CallbackBase::Error)>);
 479     void beginSelectionInDirection(WebCore::SelectionDirection, std::function<void (uint64_t, CallbackBase::Error)>);
 480     void updateSelectionWithExtentPoint(const WebCore::IntPoint, std::function<void (uint64_t, CallbackBase::Error)>);
 481     void requestAutocorrectionData(const String& textForAutocorrection, std::function<void (const Vector<WebCore::FloatRect>&, const String&, double, uint64_t, CallbackBase::Error)>);
 482     void applyAutocorrection(const String& correction, const String& originalText, std::function<void (const String&, CallbackBase::Error)>);
 483     bool applyAutocorrection(const String& correction, const String& originalText);
 484     void requestAutocorrectionContext(std::function<void (const String&, const String&, const String&, const String&, uint64_t, uint64_t, CallbackBase::Error)>);
 485     void getAutocorrectionContext(String& contextBefore, String& markedText, String& selectedText, String& contextAfter, uint64_t& location, uint64_t& length);
 486     void requestDictationContext(std::function<void (const String&, const String&, const String&, CallbackBase::Error)>);
 487     void replaceDictatedText(const String& oldText, const String& newText);
 488     void replaceSelectedText(const String& oldText, const String& newText);
 489     void didReceivePositionInformation(const InteractionInformationAtPosition&);
 490     void getPositionInformation(const WebCore::IntPoint&, InteractionInformationAtPosition&);
 491     void requestPositionInformation(const WebCore::IntPoint&);
 492     void startInteractionWithElementAtPosition(const WebCore::IntPoint&);
 493     void stopInteraction();
 494     void performActionOnElement(uint32_t action);
 495     void saveImageToLibrary(const SharedMemory::Handle& imageHandle, uint64_t imageSize);
 496     void didUpdateBlockSelectionWithTouch(uint32_t touch, uint32_t flags, float growThreshold, float shrinkThreshold);
 497     void focusNextAssistedNode(bool isForward, std::function<void (CallbackBase::Error)>);
 498     void setAssistedNodeValue(const String&);
 499     void setAssistedNodeValueAsNumber(double);
 500     void setAssistedNodeSelectedIndex(uint32_t index, bool allowMultipleSelection = false);
 501     void applicationDidEnterBackground();
 502     void applicationWillEnterForeground();
 503     void applicationWillResignActive();
 504     void applicationDidBecomeActive();
 505     void zoomToRect(WebCore::FloatRect, double minimumScale, double maximumScale);
 506     void commitPotentialTapFailed();
 507     void didNotHandleTapAsClick(const WebCore::IntPoint&);
 508     void viewportMetaTagWidthDidChange(float width);
 509     void didFinishDrawingPagesToPDF(const IPC::DataReference&);
 510     void contentSizeCategoryDidChange(const String& contentSizeCategory);
 511     void getLookupContextAtPoint(const WebCore::IntPoint&, std::function<void(const String&, CallbackBase::Error)>);
 512 #endif
 513
 514     void didCommitLayerTree(const WebKit::RemoteLayerTreeTransaction&);
 515
 516 #if USE(COORDINATED_GRAPHICS_MULTIPROCESS)
 517     void didRenderFrame(const WebCore::IntSize& contentsSize, const WebCore::IntRect& coveredRect);
 518 #endif
 519 #if PLATFORM(EFL)
 520     void setThemePath(const String&);
 521 #endif
 522
 523 #if PLATFORM(GTK)
 524     void setComposition(const String& text, Vector<WebCore::CompositionUnderline> underlines, uint64_t selectionStart, uint64_t selectionEnd, uint64_t replacementRangeStart, uint64_t replacementRangeEnd);
 525     void confirmComposition(const String& compositionString, int64_t selectionStart, int64_t selectionLength);
 526     void cancelComposition();
 527 #endif
 528
 529 #if PLATFORM(GTK)
 530     void setInputMethodState(bool enabled);
 531 #endif
 532
 533 #if PLATFORM (GTK) && HAVE(GTK_GESTURES)
 534     void getCenterForZoomGesture(const WebCore::IntPoint& centerInViewCoordinates, WebCore::IntPoint& center);
 535 #endif
 536
 537 #if PLATFORM(COCOA)
 538     void windowAndViewFramesChanged(const WebCore::FloatRect& viewFrameInWindowCoordinates, const WebCore::FloatPoint& accessibilityViewCoordinates);
 539     void setMainFrameIsScrollable(bool);
 540
 541     void sendComplexTextInputToPlugin(uint64_t pluginComplexTextInputIdentifier, const String& textInput);
 542     bool shouldDelayWindowOrderingForEvent(const WebMouseEvent&);
 543     bool acceptsFirstMouse(int eventNumber, const WebMouseEvent&);
 544
 545     void setAcceleratedCompositingRootLayer(LayerOrView*);
 546     LayerOrView* acceleratedCompositingRootLayer() const;
 547
 548     void insertTextAsync(const String& text, const EditingRange& replacementRange, bool registerUndoGroup = false);
 549     void getMarkedRangeAsync(std::function<void (EditingRange, CallbackBase::Error)>);
 550     void getSelectedRangeAsync(std::function<void (EditingRange, CallbackBase::Error)>);
 551     void characterIndexForPointAsync(const WebCore::IntPoint&, std::function<void (uint64_t, CallbackBase::Error)>);
 552     void firstRectForCharacterRangeAsync(const EditingRange&, std::function<void (const WebCore::IntRect&, const EditingRange&, CallbackBase::Error)>);
 553     void setCompositionAsync(const String& text, Vector<WebCore::CompositionUnderline> underlines, const EditingRange& selectionRange, const EditingRange& replacementRange);
 554     void confirmCompositionAsync();
 555
 556     void setScrollPerformanceDataCollectionEnabled(bool);
 557     bool scrollPerformanceDataCollectionEnabled() const { return m_scrollPerformanceDataCollectionEnabled; }
 558     RemoteLayerTreeScrollingPerformanceData* scrollingPerformanceData() { return m_scrollingPerformanceData.get(); }
 559 #endif // PLATFORM(COCOA)
 560
 561 #if PLATFORM(MAC)
 562     void insertDictatedTextAsync(const String& text, const EditingRange& replacementRange, const Vector<WebCore::TextAlternativeWithRange>& dictationAlternatives, bool registerUndoGroup);
 563     void attributedSubstringForCharacterRangeAsync(const EditingRange&, std::function<void (const AttributedString&, const EditingRange&, CallbackBase::Error)>);
 564     void setFont(const String& fontFamily, double fontSize, uint64_t fontTraits);
 565     void fontAtSelection(std::function<void (const String&, double, bool, CallbackBase::Error)>);
 566
 567 #if !USE(ASYNC_NSTEXTINPUTCLIENT)
 568     bool insertText(const String& text, const EditingRange& replacementRange);
 569     void setComposition(const String& text, Vector<WebCore::CompositionUnderline> underlines, const EditingRange& selectionRange, const EditingRange& replacementRange);
 570     void confirmComposition();
 571     bool insertDictatedText(const String& text, const EditingRange& replacementRange, const Vector<WebCore::TextAlternativeWithRange>& dictationAlternatives);
 572     void getAttributedSubstringFromRange(const EditingRange&, AttributedString&);
 573     void getMarkedRange(EditingRange&);
 574     void getSelectedRange(EditingRange&);
 575     uint64_t characterIndexForPoint(const WebCore::IntPoint);
 576     WebCore::IntRect firstRectForCharacterRange(const EditingRange&);
 577     bool executeKeypressCommands(const Vector<WebCore::KeypressCommand>&);
 578     void cancelComposition();
 579 #endif // !USE(ASYNC_NSTEXTINPUTCLIENT)
 580
 581     WKView* wkView() const;
 582     void intrinsicContentSizeDidChange(const WebCore::IntSize& intrinsicContentSize);
 583     CGRect boundsOfLayerInLayerBackedWindowCoordinates(CALayer *) const;
 584 #endif // PLATFORM(MAC)
 585
 586 #if PLATFORM(EFL)
 587     void handleInputMethodKeydown(bool& handled);
 588     void confirmComposition(const String&);
 589     void setComposition(const String&, Vector<WebCore::CompositionUnderline>&, int);
 590     void cancelComposition();
 591 #endif
 592
 593 #if PLATFORM(GTK)
 594     PlatformWidget viewWidget();
 595     const WebCore::Color& backgroundColor() const { return m_backgroundColor; }
 596     void setBackgroundColor(const WebCore::Color& color) { m_backgroundColor = color; }
 597 #endif
 598
 599 #if USE(COORDINATED_GRAPHICS_MULTIPROCESS)
 600     void commitPageTransitionViewport();
 601 #endif
 602
 603     void handleMouseEvent(const NativeWebMouseEvent&);
 604     void handleWheelEvent(const NativeWebWheelEvent&);
 605     void handleKeyboardEvent(const NativeWebKeyboardEvent&);
 606
 607 #if ENABLE(IOS_TOUCH_EVENTS)
 608     void handleTouchEventSynchronously(const NativeWebTouchEvent&);
 609     void handleTouchEventAsynchronously(const NativeWebTouchEvent&);
 610
 611 #elif ENABLE(TOUCH_EVENTS)
 612     void handleTouchEvent(const NativeWebTouchEvent&);
 613 #endif
 614
 615     void scrollBy(WebCore::ScrollDirection, WebCore::ScrollGranularity);
 616     void centerSelectionInVisibleArea();
 617
 618     const String& toolTip() const { return m_toolTip; }
 619
 620     const String& userAgent() const { return m_userAgent; }
 621     void setApplicationNameForUserAgent(const String&);
 622     const String& applicationNameForUserAgent() const { return m_applicationNameForUserAgent; }
 623     void setCustomUserAgent(const String&);
 624     const String& customUserAgent() const { return m_customUserAgent; }
 625     static String standardUserAgent(const String& applicationName = String());
 626
 627     bool supportsTextEncoding() const;
 628     void setCustomTextEncodingName(const String&);
 629     String customTextEncodingName() const { return m_customTextEncodingName; }
 630
 631     bool areActiveDOMObjectsAndAnimationsSuspended() const { return m_isPageSuspended; }
 632     void resumeActiveDOMObjectsAndAnimations();
 633     void suspendActiveDOMObjectsAndAnimations();
 634
 635     double estimatedProgress() const;
 636
 637     void terminateProcess();
 638
 639     SessionState sessionState(const std::function<bool (WebBackForwardListItem&)>& = nullptr) const;
 640     RefPtr<API::Navigation> restoreFromSessionState(SessionState, bool navigate);
 641
 642     bool supportsTextZoom() const;
 643     double textZoomFactor() const { return m_textZoomFactor; }
 644     void setTextZoomFactor(double);
 645     double pageZoomFactor() const;
 646     void setPageZoomFactor(double);
 647     void setPageAndTextZoomFactors(double pageZoomFactor, double textZoomFactor);
 648
 649     void scalePage(double scale, const WebCore::IntPoint& origin);
 650     void scalePageInViewCoordinates(double scale, const WebCore::IntPoint& centerInViewCoordinates);
 651     double pageScaleFactor() const;
 652     double viewScaleFactor() const { return m_viewScaleFactor; }
 653     void scaleView(double scale);
 654 #if PLATFORM(COCOA)
 655     void scaleViewAndUpdateGeometryFenced(double scale, WebCore::IntSize viewSize, std::function<void (const WebCore::MachSendRight&, CallbackBase::Error)>);
 656 #endif
 657     void setShouldScaleViewToFitDocument(bool);
 658
 659     float deviceScaleFactor() const;
 660     void setIntrinsicDeviceScaleFactor(float);
 661     void setCustomDeviceScaleFactor(float);
 662     void windowScreenDidChange(PlatformDisplayID);
 663
 664     void setUseFixedLayout(bool);
 665     void setFixedLayoutSize(const WebCore::IntSize&);
 666     bool useFixedLayout() const { return m_useFixedLayout; };
 667     const WebCore::IntSize& fixedLayoutSize() const { return m_fixedLayoutSize; };
 668
 669     void listenForLayoutMilestones(WebCore::LayoutMilestones);
 670
 671     bool hasHorizontalScrollbar() const { return m_mainFrameHasHorizontalScrollbar; }
 672     bool hasVerticalScrollbar() const { return m_mainFrameHasVerticalScrollbar; }
 673
 674     void setSuppressScrollbarAnimations(bool);
 675     bool areScrollbarAnimationsSuppressed() const { return m_suppressScrollbarAnimations; }
 676
 677     bool isPinnedToLeftSide() const { return m_mainFrameIsPinnedToLeftSide; }
 678     bool isPinnedToRightSide() const { return m_mainFrameIsPinnedToRightSide; }
 679     bool isPinnedToTopSide() const { return m_mainFrameIsPinnedToTopSide; }
 680     bool isPinnedToBottomSide() const { return m_mainFrameIsPinnedToBottomSide; }
 681
 682     bool rubberBandsAtLeft() const;
 683     void setRubberBandsAtLeft(bool);
 684     bool rubberBandsAtRight() const;
 685     void setRubberBandsAtRight(bool);
 686     bool rubberBandsAtTop() const;
 687     void setRubberBandsAtTop(bool);
 688     bool rubberBandsAtBottom() const;
 689     void setRubberBandsAtBottom(bool);
 690
 691     void setShouldUseImplicitRubberBandControl(bool shouldUseImplicitRubberBandControl) { m_shouldUseImplicitRubberBandControl = shouldUseImplicitRubberBandControl; }
 692     bool shouldUseImplicitRubberBandControl() const { return m_shouldUseImplicitRubberBandControl; }
 693
 694     void setEnableVerticalRubberBanding(bool);
 695     bool verticalRubberBandingIsEnabled() const;
 696     void setEnableHorizontalRubberBanding(bool);
 697     bool horizontalRubberBandingIsEnabled() const;
 698
 699     void setBackgroundExtendsBeyondPage(bool);
 700     bool backgroundExtendsBeyondPage() const;
 701
 702     void setPaginationMode(WebCore::Pagination::Mode);
 703     WebCore::Pagination::Mode paginationMode() const { return m_paginationMode; }
 704     void setPaginationBehavesLikeColumns(bool);
 705     bool paginationBehavesLikeColumns() const { return m_paginationBehavesLikeColumns; }
 706     void setPageLength(double);
 707     double pageLength() const { return m_pageLength; }
 708     void setGapBetweenPages(double);
 709     double gapBetweenPages() const { return m_gapBetweenPages; }
 710     unsigned pageCount() const { return m_pageCount; }
 711
 712 #if PLATFORM(COCOA)
 713     // Called by the web process through a message.
 714     void registerWebProcessAccessibilityToken(const IPC::DataReference&);
 715     // Called by the UI process when it is ready to send its tokens to the web process.
 716     void registerUIProcessAccessibilityTokens(const IPC::DataReference& elemenToken, const IPC::DataReference& windowToken);
 717     bool readSelectionFromPasteboard(const String& pasteboardName);
 718     String stringSelectionForPasteboard();
 719     PassRefPtr<WebCore::SharedBuffer> dataSelectionForPasteboard(const String& pasteboardType);
 720     void makeFirstResponder();
 721
 722     ColorSpaceData colorSpace();
 723 #endif
 724
 725 #if ENABLE(SERVICE_CONTROLS)
 726     void replaceSelectionWithPasteboardData(const Vector<String>& types, const IPC::DataReference&);
 727 #endif
 728
 729     void pageScaleFactorDidChange(double);
 730     void pluginScaleFactorDidChange(double);
 731     void pluginZoomFactorDidChange(double);
 732
 733     // Find.
 734     void findString(const String&, FindOptions, unsigned maxMatchCount);
 735     void findStringMatches(const String&, FindOptions, unsigned maxMatchCount);
 736     void getImageForFindMatch(int32_t matchIndex);
 737     void selectFindMatch(int32_t matchIndex);
 738     void didGetImageForFindMatch(const ShareableBitmap::Handle& contentImageHandle, uint32_t matchIndex);
 739     void hideFindUI();
 740     void countStringMatches(const String&, FindOptions, unsigned maxMatchCount);
 741     void didCountStringMatches(const String&, uint32_t matchCount);
 742     void setTextIndicator(const WebCore::TextIndicatorData&, uint64_t /* WebCore::TextIndicatorLifetime */ lifetime = (uint64_t)WebCore::TextIndicatorLifetime::Permanent);
 743     void setTextIndicatorAnimationProgress(float);
 744     void clearTextIndicator();
 745     void didFindString(const String&, uint32_t matchCount, int32_t matchIndex);
 746     void didFailToFindString(const String&);
 747     void didFindStringMatches(const String&, const Vector<Vector<WebCore::IntRect>>& matchRects, int32_t firstIndexAfterSelection);
 748
 749     void getContentsAsString(std::function<void (const String&, CallbackBase::Error)>);
 750     void getBytecodeProfile(std::function<void (const String&, CallbackBase::Error)>);
 751
 752 #if ENABLE(MHTML)
 753     void getContentsAsMHTMLData(std::function<void (API::Data*, CallbackBase::Error)>, bool useBinaryEncoding);
 754 #endif
 755     void getMainResourceDataOfFrame(WebFrameProxy*, std::function<void (API::Data*, CallbackBase::Error)>);
 756     void getResourceDataFromFrame(WebFrameProxy*, API::URL*, std::function<void (API::Data*, CallbackBase::Error)>);
 757     void getRenderTreeExternalRepresentation(std::function<void (const String&, CallbackBase::Error)>);
 758     void getSelectionOrContentsAsString(std::function<void (const String&, CallbackBase::Error)>);
 759     void getSelectionAsWebArchiveData(std::function<void (API::Data*, CallbackBase::Error)>);
 760     void getSourceForFrame(WebFrameProxy*, std::function<void (const String&, CallbackBase::Error)>);
 761     void getWebArchiveOfFrame(WebFrameProxy*, std::function<void (API::Data*, CallbackBase::Error)>);
 762     void runJavaScriptInMainFrame(const String&, std::function<void (API::SerializedScriptValue*, CallbackBase::Error)> callbackFunction);
 763     void forceRepaint(PassRefPtr<VoidCallback>);
 764
 765     float headerHeight(WebFrameProxy*);
 766     float footerHeight(WebFrameProxy*);
 767     void drawHeader(WebFrameProxy*, const WebCore::FloatRect&);
 768     void drawFooter(WebFrameProxy*, const WebCore::FloatRect&);
 769
 770 #if PLATFORM(COCOA)
 771     // Dictionary.
 772     void performDictionaryLookupAtLocation(const WebCore::FloatPoint&);
 773     void performDictionaryLookupOfCurrentSelection();
 774 #endif
 775
 776     void receivedPolicyDecision(WebCore::PolicyAction, WebFrameProxy*, uint64_t listenerID, API::Navigation* navigationID);
 777
 778     void backForwardRemovedItem(uint64_t itemID);
 779
 780 #if ENABLE(DRAG_SUPPORT)
 781     // Drag and drop support.
 782     void dragEntered(WebCore::DragData&, const String& dragStorageName = String());
 783     void dragUpdated(WebCore::DragData&, const String& dragStorageName = String());
 784     void dragExited(WebCore::DragData&, const String& dragStorageName = String());
 785     void performDragOperation(WebCore::DragData&, const String& dragStorageName, const SandboxExtension::Handle&, const SandboxExtension::HandleArray&);
 786
 787     void didPerformDragControllerAction(uint64_t dragOperation, bool mouseIsOverFileInput, unsigned numberOfItemsToBeAccepted);
 788     void dragEnded(const WebCore::IntPoint& clientPosition, const WebCore::IntPoint& globalPosition, uint64_t operation);
 789 #if PLATFORM(COCOA)
 790     void setDragImage(const WebCore::IntPoint& clientPosition, const ShareableBitmap::Handle& dragImageHandle, bool isLinkDrag);
 791     void setPromisedDataForImage(const String& pasteboardName, const SharedMemory::Handle& imageHandle, uint64_t imageSize, const String& filename, const String& extension,
 792                          const String& title, const String& url, const String& visibleURL, const SharedMemory::Handle& archiveHandle, uint64_t archiveSize);
 793 #if ENABLE(ATTACHMENT_ELEMENT)
 794     void setPromisedDataForAttachment(const String& pasteboardName, const String& filename, const String& extension, const String& title, const String& url, const String& visibleURL);
 795 #endif
 796 #endif
 797 #if PLATFORM(GTK)
 798     void startDrag(const WebCore::DragData&, const ShareableBitmap::Handle& dragImage);
 799 #endif
 800 #endif
 801
 802     void processDidBecomeUnresponsive();
 803     void interactionOccurredWhileProcessUnresponsive();
 804     void processDidBecomeResponsive();
 805     void processDidCrash();
 806
 807     virtual void enterAcceleratedCompositingMode(const LayerTreeContext&);
 808     virtual void exitAcceleratedCompositingMode();
 809     virtual void updateAcceleratedCompositingMode(const LayerTreeContext&);
 810
 811     void didDraw();
 812
 813     enum UndoOrRedo { Undo, Redo };
 814     void addEditCommand(WebEditCommandProxy*);
 815     void removeEditCommand(WebEditCommandProxy*);
 816     bool isValidEditCommand(WebEditCommandProxy*);
 817     void registerEditCommand(PassRefPtr<WebEditCommandProxy>, UndoOrRedo);
 818
 819 #if PLATFORM(COCOA)
 820     void registerKeypressCommandName(const String& name) { m_knownKeypressCommandNames.add(name); }
 821     bool isValidKeypressCommandName(const String& name) const { return m_knownKeypressCommandNames.contains(name); }
 822 #endif
 823
 824     WebProcessProxy& process() { return m_process; }
 825     PlatformProcessIdentifier processIdentifier() const;
 826
 827     WebPreferences& preferences() { return m_preferences; }
 828     void setPreferences(WebPreferences&);
 829
 830     WebPageGroup& pageGroup() { return m_pageGroup; }
 831
 832     bool isValid() const;
 833
 834 #if ENABLE(DRAG_SUPPORT)
 835     WebCore::DragOperation currentDragOperation() const { return m_currentDragOperation; }
 836     bool currentDragIsOverFileInput() const { return m_currentDragIsOverFileInput; }
 837     unsigned currentDragNumberOfFilesToBeAccepted() const { return m_currentDragNumberOfFilesToBeAccepted; }
 838     void resetCurrentDragInformation()
 839     {
 840         m_currentDragOperation = WebCore::DragOperationNone;
 841         m_currentDragIsOverFileInput = false;
 842         m_currentDragNumberOfFilesToBeAccepted = 0;
 843     }
 844 #endif
 845
 846     void preferencesDidChange();
 847
 848 #if ENABLE(CONTEXT_MENUS)
 849     // Called by the WebContextMenuProxy.
 850     void contextMenuItemSelected(const WebContextMenuItemData&);
 851 #endif
 852
 853     // Called by the WebOpenPanelResultListenerProxy.
 854 #if PLATFORM(IOS)
 855     void didChooseFilesForOpenPanelWithDisplayStringAndIcon(const Vector<String>&, const String& displayString, const API::Data* iconData);
 856 #endif
 857     void didChooseFilesForOpenPanel(const Vector<String>&);
 858     void didCancelForOpenPanel();
 859
 860     WebPageCreationParameters creationParameters();
 861
 862 #if USE(COORDINATED_GRAPHICS)
 863     void findZoomableAreaForPoint(const WebCore::IntPoint&, const WebCore::IntSize&);
 864 #endif
 865
 866     void handleDownloadRequest(DownloadProxy*);
 867
 868     void advanceToNextMisspelling(bool startBeforeSelection);
 869     void changeSpellingToWord(const String& word);
 870 #if USE(APPKIT)
 871     void uppercaseWord();
 872     void lowercaseWord();
 873     void capitalizeWord();
 874 #endif
 875
 876 #if PLATFORM(COCOA)
 877     bool isSmartInsertDeleteEnabled() const { return m_isSmartInsertDeleteEnabled; }
 878     void setSmartInsertDeleteEnabled(bool);
 879 #endif
 880
 881 #if PLATFORM(GTK)
 882     String accessibilityPlugID() const { return m_accessibilityPlugID; }
 883 #endif
 884
 885     void setCanRunModal(bool);
 886     bool canRunModal();
 887
 888     void beginPrinting(WebFrameProxy*, const PrintInfo&);
 889     void endPrinting();
 890     void computePagesForPrinting(WebFrameProxy*, const PrintInfo&, PassRefPtr<ComputedPagesCallback>);
 891 #if PLATFORM(COCOA)
 892     void drawRectToImage(WebFrameProxy*, const PrintInfo&, const WebCore::IntRect&, const WebCore::IntSize&, PassRefPtr<ImageCallback>);
 893     void drawPagesToPDF(WebFrameProxy*, const PrintInfo&, uint32_t first, uint32_t count, PassRefPtr<DataCallback>);
 894 #elif PLATFORM(GTK)
 895     void drawPagesForPrinting(WebFrameProxy*, const PrintInfo&, PassRefPtr<PrintFinishedCallback>);
 896 #endif
 897
 898     PageLoadState& pageLoadState() { return m_pageLoadState; }
 899
 900 #if PLATFORM(COCOA)
 901     void handleAlternativeTextUIResult(const String& result);
 902 #endif
 903
 904     void saveDataToFileInDownloadsFolder(const String& suggestedFilename, const String& mimeType, const String& originatingURLString, API::Data*);
 905     void savePDFToFileInDownloadsFolder(const String& suggestedFilename, const String& originatingURLString, const IPC::DataReference&);
 906 #if PLATFORM(COCOA)
 907     void savePDFToTemporaryFolderAndOpenWithNativeApplicationRaw(const String& suggestedFilename, const String& originatingURLString, const uint8_t* data, unsigned long size, const String& pdfUUID);
 908     void savePDFToTemporaryFolderAndOpenWithNativeApplication(const String& suggestedFilename, const String& originatingURLString, const IPC::DataReference&, const String& pdfUUID);
 909     void openPDFFromTemporaryFolderWithNativeApplication(const String& pdfUUID);
 910 #endif
 911
 912     WebCore::IntRect visibleScrollerThumbRect() const { return m_visibleScrollerThumbRect; }
 913
 914     uint64_t renderTreeSize() const { return m_renderTreeSize; }
 915
 916     void setShouldSendEventsSynchronously(bool sync) { m_shouldSendEventsSynchronously = sync; };
 917
 918     void printMainFrame();
 919
 920     void setMediaVolume(float);
 921     void setMuted(bool);
 922     void setMayStartMediaWhenInWindow(bool);
 923     bool mayStartMediaWhenInWindow() const { return m_mayStartMediaWhenInWindow; }
 924
 925 #if ENABLE(MEDIA_SESSION)
 926     void handleMediaEvent(WebCore::MediaEventType);
 927 #endif
 928
 929     // WebPopupMenuProxy::Client
 930     virtual NativeWebMouseEvent* currentlyProcessedMouseDownEvent() override;
 931
 932     void setSuppressVisibilityUpdates(bool flag);
 933     bool suppressVisibilityUpdates() { return m_suppressVisibilityUpdates; }
 934
 935 #if PLATFORM(IOS)
 936     void willStartUserTriggeredZooming();
 937
 938     void potentialTapAtPosition(const WebCore::FloatPoint&, uint64_t& requestID);
 939     void commitPotentialTap();
 940     void cancelPotentialTap();
 941     void tapHighlightAtPosition(const WebCore::FloatPoint&, uint64_t& requestID);
 942     void handleTap(const WebCore::FloatPoint&);
 943
 944     void inspectorNodeSearchMovedToPosition(const WebCore::FloatPoint&);
 945     void inspectorNodeSearchEndedAtPosition(const WebCore::FloatPoint&);
 946
 947     void blurAssistedNode();
 948 #endif
 949
 950     void postMessageToInjectedBundle(const String& messageName, API::Object* messageBody);
 951
 952 #if ENABLE(INPUT_TYPE_COLOR)
 953     void setColorPickerColor(const WebCore::Color&);
 954     void endColorPicker();
 955 #endif
 956
 957     WebCore::IntSize minimumLayoutSize() const { return m_minimumLayoutSize; }
 958     void setMinimumLayoutSize(const WebCore::IntSize&);
 959
 960     bool autoSizingShouldExpandToViewHeight() const { return m_autoSizingShouldExpandToViewHeight; }
 961     void setAutoSizingShouldExpandToViewHeight(bool);
 962
 963     void didReceiveAuthenticationChallengeProxy(uint64_t frameID, PassRefPtr<AuthenticationChallengeProxy>);
 964
 965     int64_t spellDocumentTag();
 966     void didFinishCheckingText(uint64_t requestID, const Vector<WebCore::TextCheckingResult>&);
 967     void didCancelCheckingText(uint64_t requestID);
 968
 969     void connectionWillOpen(IPC::Connection&);
 970     void webProcessWillShutDown();
 971
 972     void processDidFinishLaunching();
 973
 974     void didSaveToPageCache();
 975
 976     void setScrollPinningBehavior(WebCore::ScrollPinningBehavior);
 977     WebCore::ScrollPinningBehavior scrollPinningBehavior() { return m_scrollPinningBehavior; }
 978
 979     void setOverlayScrollbarStyle(WTF::Optional<WebCore::ScrollbarOverlayStyle>);
 980     WTF::Optional<WebCore::ScrollbarOverlayStyle> overlayScrollbarStyle() { return m_scrollbarOverlayStyle; }
 981
 982     bool shouldRecordNavigationSnapshots() const { return m_shouldRecordNavigationSnapshots; }
 983     void setShouldRecordNavigationSnapshots(bool shouldRecordSnapshots) { m_shouldRecordNavigationSnapshots = shouldRecordSnapshots; }
 984     void recordNavigationSnapshot();
 985     void recordNavigationSnapshot(WebBackForwardListItem&);
 986
 987 #if PLATFORM(COCOA)
 988     PassRefPtr<ViewSnapshot> takeViewSnapshot();
 989 #endif
 990
 991 #if ENABLE(SUBTLE_CRYPTO)
 992     void wrapCryptoKey(const Vector<uint8_t>&, bool& succeeded, Vector<uint8_t>&);
 993     void unwrapCryptoKey(const Vector<uint8_t>&, bool& succeeded, Vector<uint8_t>&);
 994 #endif
 995
 996     void takeSnapshot(WebCore::IntRect, WebCore::IntSize bitmapSize, SnapshotOptions, std::function<void (const ShareableBitmap::Handle&, CallbackBase::Error)>);
 997
 998     void navigationGestureDidBegin();
 999     void navigationGestureWillEnd(bool willNavigate, WebBackForwardListItem&);
1000     void navigationGestureDidEnd(bool willNavigate, WebBackForwardListItem&);
1001     void navigationGestureSnapshotWasRemoved();
1002     void willRecordNavigationSnapshot(WebBackForwardListItem&);
1003
1004     bool isShowingNavigationGestureSnapshot() const { return m_isShowingNavigationGestureSnapshot; }
1005
1006     bool isPlayingAudio() const { return !!(m_mediaState & WebCore::MediaProducer::IsPlayingAudio); }
1007     void isPlayingMediaDidChange(WebCore::MediaProducer::MediaStateFlags);
1008
1009 #if PLATFORM(MAC)
1010     void removeNavigationGestureSnapshot();
1011
1012     WebHitTestResult* lastMouseMoveHitTestResult() const { return m_lastMouseMoveHitTestResult.get(); }
1013     void performImmediateActionHitTestAtLocation(WebCore::FloatPoint);
1014
1015     void immediateActionDidUpdate();
1016     void immediateActionDidCancel();
1017     void immediateActionDidComplete();
1018
1019     void installViewStateChangeCompletionHandler(void(^completionHandler)());
1020 #endif
1021
1022 #if PLATFORM(EFL) && HAVE(ACCESSIBILITY) && defined(HAVE_ECORE_X)
1023     bool accessibilityObjectReadByPoint(const WebCore::IntPoint&);
1024     bool accessibilityObjectReadPrevious();
1025     bool accessibilityObjectReadNext();
1026 #endif
1027
1028 #if USE(UNIFIED_TEXT_CHECKING)
1029     void checkTextOfParagraph(const String& text, uint64_t checkingTypes, Vector<WebCore::TextCheckingResult>& results);
1030 #endif
1031     void getGuessesForWord(const String& word, const String& context, Vector<String>& guesses);
1032
1033     void setShouldDispatchFakeMouseMoveEvents(bool);
1034
1035     // Diagnostic messages logging.
1036     void logDiagnosticMessage(const String& message, const String& description, bool shouldSample);
1037     void logDiagnosticMessageWithResult(const String& message, const String& description, uint32_t result, bool shouldSample);
1038     void logDiagnosticMessageWithValue(const String& message, const String& description, const String& value, bool shouldSample);
1039
1040 #if ENABLE(WIRELESS_PLAYBACK_TARGET) && !PLATFORM(IOS)
1041     void addPlaybackTargetPickerClient(uint64_t);
1042     void removePlaybackTargetPickerClient(uint64_t);
1043     void showPlaybackTargetPicker(uint64_t, const WebCore::FloatRect&, bool hasVideo);
1044     void playbackTargetPickerClientStateDidChange(uint64_t, WebCore::MediaProducer::MediaStateFlags);
1045
1046     // WebMediaSessionManagerClient
1047     virtual void setPlaybackTarget(uint64_t, Ref<WebCore::MediaPlaybackTarget>&&) override;
1048     virtual void externalOutputDeviceAvailableDidChange(uint64_t, bool) override;
1049     virtual void setShouldPlayToPlaybackTarget(uint64_t, bool) override;
1050 #endif
1051
1052     void didChangeBackgroundColor();
1053     void didLayoutForCustomContentProvider();
1054
1055     void clearWheelEventTestTrigger();
1056
1057 private:
1058     WebPageProxy(PageClient&, WebProcessProxy&, uint64_t pageID, const WebPageConfiguration&);
1059     void platformInitialize();
1060
1061     void updateViewState(WebCore::ViewState::Flags flagsToUpdate = WebCore::ViewState::AllFlags);
1062     void updateActivityToken();
1063     void updateProccessSuppressionState();
1064
1065     enum class ResetStateReason {
1066         PageInvalidated,
1067         WebProcessExited,
1068     };
1069     void resetState(ResetStateReason);
1070     void resetStateAfterProcessExited();
1071
1072     void setUserAgent(const String&);
1073
1074     // IPC::MessageReceiver
1075     // Implemented in generated WebPageProxyMessageReceiver.cpp
1076     virtual void didReceiveMessage(IPC::Connection&, IPC::MessageDecoder&) override;
1077     virtual void didReceiveSyncMessage(IPC::Connection&, IPC::MessageDecoder&, std::unique_ptr<IPC::MessageEncoder>&) override;
1078
1079     // IPC::MessageSender
1080     virtual bool sendMessage(std::unique_ptr<IPC::MessageEncoder>, unsigned messageSendFlags) override;
1081     virtual IPC::Connection* messageSenderConnection() override;
1082     virtual uint64_t messageSenderDestinationID() override;
1083
1084     // WebPopupMenuProxy::Client
1085     virtual void valueChangedForPopupMenu(WebPopupMenuProxy*, int32_t newSelectedIndex) override;
1086     virtual void setTextFromItemForPopupMenu(WebPopupMenuProxy*, int32_t index) override;
1087 #if PLATFORM(GTK)
1088     virtual void failedToShowPopupMenu() override;
1089 #endif
1090
1091     void didCreateMainFrame(uint64_t frameID);
1092     void didCreateSubframe(uint64_t frameID);
1093
1094     void didStartProvisionalLoadForFrame(uint64_t frameID, uint64_t navigationID, const String& url, const String& unreachableURL, const UserData&);
1095     void didReceiveServerRedirectForProvisionalLoadForFrame(uint64_t frameID, uint64_t navigationID, const String&, const UserData&);
1096     void didChangeProvisionalURLForFrame(uint64_t frameID, uint64_t navigationID, const String& url);
1097     void didFailProvisionalLoadForFrame(uint64_t frameID, uint64_t navigationID, const String& provisionalURL, const WebCore::ResourceError&, const UserData&);
1098     void didCommitLoadForFrame(uint64_t frameID, uint64_t navigationID, const String& mimeType, bool frameHasCustomContentProvider, uint32_t frameLoadType, const WebCore::CertificateInfo&, const UserData&);
1099     void didFinishDocumentLoadForFrame(uint64_t frameID, uint64_t navigationID, const UserData&);
1100     void didFinishLoadForFrame(uint64_t frameID, uint64_t navigationID, const UserData&);
1101     void didFailLoadForFrame(uint64_t frameID, uint64_t navigationID, const WebCore::ResourceError&, const UserData&);
1102     void didSameDocumentNavigationForFrame(uint64_t frameID, uint64_t navigationID, uint32_t sameDocumentNavigationType, const String&, const UserData&);
1103     void didReceiveTitleForFrame(uint64_t frameID, const String&, const UserData&);
1104     void didFirstLayoutForFrame(uint64_t frameID, const UserData&);
1105     void didFirstVisuallyNonEmptyLayoutForFrame(uint64_t frameID, const UserData&);
1106     void didLayout(uint32_t layoutMilestones, const UserData&);
1107     void didRemoveFrameFromHierarchy(uint64_t frameID, const UserData&);
1108     void didDisplayInsecureContentForFrame(uint64_t frameID, const UserData&);
1109     void didRunInsecureContentForFrame(uint64_t frameID, const UserData&);
1110     void didDetectXSSForFrame(uint64_t frameID, const UserData&);
1111     void frameDidBecomeFrameSet(uint64_t frameID, bool);
1112     void didStartProgress();
1113     void didChangeProgress(double);
1114     void didFinishProgress();
1115     void setNetworkRequestsInProgress(bool);
1116
1117     void didDestroyNavigation(uint64_t navigationID);
1118
1119     void decidePolicyForNavigationAction(uint64_t frameID, uint64_t navigationID, const NavigationActionData&, uint64_t originatingFrameID, const WebCore::ResourceRequest& originalRequest, const WebCore::ResourceRequest&, uint64_t listenerID, const UserData&, bool& receivedPolicyAction, uint64_t& newNavigationID, uint64_t& policyAction, uint64_t& downloadID);
1120     void decidePolicyForNewWindowAction(uint64_t frameID, const NavigationActionData&, const WebCore::ResourceRequest&, const String& frameName, uint64_t listenerID, const UserData&);
1121     void decidePolicyForResponse(uint64_t frameID, const WebCore::ResourceResponse&, const WebCore::ResourceRequest&, bool canShowMIMEType, uint64_t listenerID, const UserData&);
1122     void decidePolicyForResponseSync(uint64_t frameID, const WebCore::ResourceResponse&, const WebCore::ResourceRequest&, bool canShowMIMEType, uint64_t listenerID, const UserData&, bool& receivedPolicyAction, uint64_t& policyAction, uint64_t& downloadID);
1123     void unableToImplementPolicy(uint64_t frameID, const WebCore::ResourceError&, const UserData&);
1124
1125     void willSubmitForm(uint64_t frameID, uint64_t sourceFrameID, const Vector<std::pair<String, String>>& textFieldValues, uint64_t listenerID, const UserData&);
1126
1127     // History client
1128     void didNavigateWithNavigationData(const WebNavigationDataStore&, uint64_t frameID);
1129     void didPerformClientRedirect(const String& sourceURLString, const String& destinationURLString, uint64_t frameID);
1130     void didPerformServerRedirect(const String& sourceURLString, const String& destinationURLString, uint64_t frameID);
1131     void didUpdateHistoryTitle(const String& title, const String& url, uint64_t frameID);
1132
1133     // UI client
1134     void createNewPage(uint64_t frameID, const WebCore::ResourceRequest&, const WebCore::WindowFeatures&, const NavigationActionData&, uint64_t& newPageID, WebPageCreationParameters&);
1135     void showPage();
1136     void closePage(bool stopResponsivenessTimer);
1137     void runJavaScriptAlert(uint64_t frameID, const String&, RefPtr<Messages::WebPageProxy::RunJavaScriptAlert::DelayedReply>);
1138     void runJavaScriptConfirm(uint64_t frameID, const String&, RefPtr<Messages::WebPageProxy::RunJavaScriptConfirm::DelayedReply>);
1139     void runJavaScriptPrompt(uint64_t frameID, const String&, const String&, RefPtr<Messages::WebPageProxy::RunJavaScriptPrompt::DelayedReply>);
1140     void shouldInterruptJavaScript(bool& result);
1141     void setStatusText(const String&);
1142     void mouseDidMoveOverElement(const WebHitTestResult::Data& hitTestResultData, uint32_t modifiers, const UserData&);
1143
1144     void didBeginTrackingPotentialLongMousePress(const WebCore::IntPoint& mouseDownPosition, const WebHitTestResult::Data& hitTestResultData, const UserData&);
1145     void didRecognizeLongMousePress(const UserData&);
1146     void didCancelTrackingPotentialLongMousePress(const UserData&);
1147
1148 #if ENABLE(NETSCAPE_PLUGIN_API)
1149     void unavailablePluginButtonClicked(uint32_t opaquePluginUnavailabilityReason, const String& mimeType, const String& pluginURLString, const String& pluginsPageURLString, const String& frameURLString, const String& pageURLString);
1150 #endif // ENABLE(NETSCAPE_PLUGIN_API)
1151 #if ENABLE(WEBGL)
1152     void webGLPolicyForURL(const String& url, uint32_t& loadPolicy);
1153     void resolveWebGLPolicyForURL(const String& url, uint32_t& loadPolicy);
1154 #endif // ENABLE(WEBGL)
1155     void setToolbarsAreVisible(bool toolbarsAreVisible);
1156     void getToolbarsAreVisible(bool& toolbarsAreVisible);
1157     void setMenuBarIsVisible(bool menuBarIsVisible);
1158     void getMenuBarIsVisible(bool& menuBarIsVisible);
1159     void setStatusBarIsVisible(bool statusBarIsVisible);
1160     void getStatusBarIsVisible(bool& statusBarIsVisible);
1161     void setIsResizable(bool isResizable);
1162     void getIsResizable(bool& isResizable);
1163     void setWindowFrame(const WebCore::FloatRect&);
1164     void getWindowFrame(WebCore::FloatRect&);
1165     void screenToRootView(const WebCore::IntPoint& screenPoint, WebCore::IntPoint& windowPoint);
1166     void rootViewToScreen(const WebCore::IntRect& viewRect, WebCore::IntRect& result);
1167 #if PLATFORM(IOS)
1168     void accessibilityScreenToRootView(const WebCore::IntPoint& screenPoint, WebCore::IntPoint& windowPoint);
1169     void rootViewToAccessibilityScreen(const WebCore::IntRect& viewRect, WebCore::IntRect& result);
1170 #endif
1171     void runBeforeUnloadConfirmPanel(const String& message, uint64_t frameID, bool& shouldClose);
1172     void didChangeViewportProperties(const WebCore::ViewportAttributes&);
1173     void pageDidScroll();
1174     void runOpenPanel(uint64_t frameID, const WebCore::FileChooserSettings&);
1175     void printFrame(uint64_t frameID);
1176     void exceededDatabaseQuota(uint64_t frameID, const String& originIdentifier, const String& databaseName, const String& displayName, uint64_t currentQuota, uint64_t currentOriginUsage, uint64_t currentDatabaseUsage, uint64_t expectedUsage, PassRefPtr<Messages::WebPageProxy::ExceededDatabaseQuota::DelayedReply>);
1177     void reachedApplicationCacheOriginQuota(const String& originIdentifier, uint64_t currentQuota, uint64_t totalBytesNeeded, PassRefPtr<Messages::WebPageProxy::ReachedApplicationCacheOriginQuota::DelayedReply>);
1178     void requestGeolocationPermissionForFrame(uint64_t geolocationID, uint64_t frameID, String originIdentifier);
1179
1180     void requestUserMediaPermissionForFrame(uint64_t userMediaID, uint64_t frameID, String originIdentifier, bool audio, bool video);
1181
1182     void runModal();
1183     void notifyScrollerThumbIsVisibleInRect(const WebCore::IntRect&);
1184     void recommendedScrollbarStyleDidChange(int32_t newStyle);
1185     void didChangeScrollbarsForMainFrame(bool hasHorizontalScrollbar, bool hasVerticalScrollbar);
1186     void didChangeScrollOffsetPinningForMainFrame(bool pinnedToLeftSide, bool pinnedToRightSide, bool pinnedToTopSide, bool pinnedToBottomSide);
1187     void didChangePageCount(unsigned);
1188     void pageExtendedBackgroundColorDidChange(const WebCore::Color&);
1189 #if ENABLE(NETSCAPE_PLUGIN_API)
1190     void didFailToInitializePlugin(const String& mimeType, const String& frameURLString, const String& pageURLString);
1191     void didBlockInsecurePluginVersion(const String& mimeType, const String& pluginURLString, const String& frameURLString, const String& pageURLString, bool replacementObscured);
1192 #endif // ENABLE(NETSCAPE_PLUGIN_API)
1193     void setCanShortCircuitHorizontalWheelEvents(bool canShortCircuitHorizontalWheelEvents) { m_canShortCircuitHorizontalWheelEvents = canShortCircuitHorizontalWheelEvents; }
1194
1195     void reattachToWebProcess();
1196     RefPtr<API::Navigation> reattachToWebProcessForReload();
1197     RefPtr<API::Navigation> reattachToWebProcessWithItem(WebBackForwardListItem*);
1198
1199     void requestNotificationPermission(uint64_t notificationID, const String& originString);
1200     void showNotification(const String& title, const String& body, const String& iconURL, const String& tag, const String& lang, const String& dir, const String& originString, uint64_t notificationID);
1201     void cancelNotification(uint64_t notificationID);
1202     void clearNotifications(const Vector<uint64_t>& notificationIDs);
1203     void didDestroyNotification(uint64_t notificationID);
1204
1205 #if USE(COORDINATED_GRAPHICS_MULTIPROCESS)
1206     void pageDidRequestScroll(const WebCore::IntPoint&);
1207     void pageTransitionViewportReady();
1208     void didFindZoomableArea(const WebCore::IntPoint&, const WebCore::IntRect&);
1209 #endif
1210
1211     void didChangeContentSize(const WebCore::IntSize&);
1212
1213 #if ENABLE(INPUT_TYPE_COLOR)
1214     void showColorPicker(const WebCore::Color& initialColor, const WebCore::IntRect&);
1215     virtual void didChooseColor(const WebCore::Color&) override;
1216     virtual void didEndColorPicker() override;
1217 #endif
1218
1219     void editorStateChanged(const EditorState&);
1220     void compositionWasCanceled(const EditorState&);
1221
1222     // Back/Forward list management
1223     void backForwardAddItem(uint64_t itemID);
1224     void backForwardGoToItem(uint64_t itemID, SandboxExtension::Handle&);
1225     void backForwardItemAtIndex(int32_t index, uint64_t& itemID);
1226     void backForwardBackListCount(int32_t& count);
1227     void backForwardForwardListCount(int32_t& count);
1228     void backForwardClear();
1229
1230     // Undo management
1231     void registerEditCommandForUndo(uint64_t commandID, uint32_t editAction);
1232     void registerInsertionUndoGrouping();
1233     void clearAllEditCommands();
1234     void canUndoRedo(uint32_t action, bool& result);
1235     void executeUndoRedo(uint32_t action, bool& result);
1236
1237     // Keyboard handling
1238 #if PLATFORM(COCOA)
1239     void executeSavedCommandBySelector(const String& selector, bool& handled);
1240 #endif
1241
1242 #if PLATFORM(GTK)
1243     void getEditorCommandsForKeyEvent(const AtomicString&, Vector<String>&);
1244     void bindAccessibilityTree(const String&);
1245 #endif
1246 #if PLATFORM(EFL)
1247     void getEditorCommandsForKeyEvent(Vector<String>&);
1248 #endif
1249
1250     // Popup Menu.
1251     void showPopupMenu(const WebCore::IntRect& rect, uint64_t textDirection, const Vector<WebPopupItem>& items, int32_t selectedIndex, const PlatformPopupMenuData&);
1252     void hidePopupMenu();
1253
1254 #if ENABLE(CONTEXT_MENUS)
1255     enum class ContextMenuClientEligibility {
1256         EligibleForClient,
1257         NotEligibleForClient
1258     };
1259     void showContextMenu(const WebCore::IntPoint& menuLocation, const ContextMenuContextData&, const Vector<WebContextMenuItemData>&, const UserData&);
1260     void internalShowContextMenu(const WebCore::IntPoint& menuLocation, const ContextMenuContextData&, const Vector<WebContextMenuItemData>&, ContextMenuClientEligibility, const UserData&);
1261
1262     void platformInitializeShareMenuItem(WebCore::ContextMenuItem&);
1263 #endif
1264
1265 #if ENABLE(TELEPHONE_NUMBER_DETECTION)
1266 #if PLATFORM(MAC)
1267     void showTelephoneNumberMenu(const String& telephoneNumber, const WebCore::IntPoint&);
1268 #endif
1269 #endif
1270
1271 #if ENABLE(SERVICE_CONTROLS)
1272     void showSelectionServiceMenu(const IPC::DataReference& selectionAsRTFD, const Vector<String>& telephoneNumbers, bool isEditable, const WebCore::IntPoint&);
1273 #endif
1274
1275     // Search popup results
1276     void saveRecentSearches(const String&, const Vector<String>&);
1277     void loadRecentSearches(const String&, Vector<String>&);
1278
1279 #if PLATFORM(COCOA)
1280     // Speech.
1281     void getIsSpeaking(bool&);
1282     void speak(const String&);
1283     void stopSpeaking();
1284
1285     // Spotlight.
1286     void searchWithSpotlight(const String&);
1287
1288     void searchTheWeb(const String&);
1289
1290     // Dictionary.
1291     void didPerformDictionaryLookup(const DictionaryPopupInfo&);
1292 #endif
1293
1294 #if PLATFORM(MAC)
1295     bool appleMailPaginationQuirkEnabled();
1296 #endif
1297
1298     // Spelling and grammar.
1299     void checkSpellingOfString(const String& text, int32_t& misspellingLocation, int32_t& misspellingLength);
1300     void checkGrammarOfString(const String& text, Vector<WebCore::GrammarDetail>&, int32_t& badGrammarLocation, int32_t& badGrammarLength);
1301     void spellingUIIsShowing(bool&);
1302     void updateSpellingUIWithMisspelledWord(const String& misspelledWord);
1303     void updateSpellingUIWithGrammarString(const String& badGrammarPhrase, const WebCore::GrammarDetail&);
1304     void learnWord(const String& word);
1305     void ignoreWord(const String& word);
1306     void requestCheckingOfString(uint64_t requestID, const WebCore::TextCheckingRequestData&);
1307
1308     void setFocus(bool focused);
1309     void takeFocus(uint32_t direction);
1310     void setToolTip(const String&);
1311     void setCursor(const WebCore::Cursor&);
1312     void setCursorHiddenUntilMouseMoves(bool);
1313
1314     void didReceiveEvent(uint32_t opaqueType, bool handled);
1315     void stopResponsivenessTimer();
1316
1317     void voidCallback(uint64_t);
1318     void dataCallback(const IPC::DataReference&, uint64_t);
1319     void imageCallback(const ShareableBitmap::Handle&, uint64_t);
1320     void stringCallback(const String&, uint64_t);
1321     void scriptValueCallback(const IPC::DataReference&, uint64_t);
1322     void computedPagesCallback(const Vector<WebCore::IntRect>&, double totalScaleFactorForPrinting, uint64_t);
1323     void validateCommandCallback(const String&, bool, int, uint64_t);
1324     void unsignedCallback(uint64_t, uint64_t);
1325     void editingRangeCallback(const EditingRange&, uint64_t);
1326 #if PLATFORM(COCOA)
1327     void machSendRightCallback(const WebCore::MachSendRight&, uint64_t);
1328 #endif
1329     void rectForCharacterRangeCallback(const WebCore::IntRect&, const EditingRange&, uint64_t);
1330 #if PLATFORM(MAC)
1331     void attributedStringForCharacterRangeCallback(const AttributedString&, const EditingRange&, uint64_t);
1332     void fontAtSelectionCallback(const String&, double, bool, uint64_t);
1333 #endif
1334 #if PLATFORM(IOS)
1335     void gestureCallback(const WebCore::IntPoint&, uint32_t, uint32_t, uint32_t, uint64_t);
1336     void touchesCallback(const WebCore::IntPoint&, uint32_t, uint64_t);
1337     void autocorrectionDataCallback(const Vector<WebCore::FloatRect>&, const String&, float, uint64_t, uint64_t);
1338     void autocorrectionContextCallback(const String&, const String&, const String&, const String&, uint64_t, uint64_t, uint64_t);
1339     void dictationContextCallback(const String&, const String&, const String&, uint64_t);
1340     void interpretKeyEvent(const EditorState&, bool isCharEvent, bool& handled);
1341     void showPlaybackTargetPicker(bool hasVideo, const WebCore::IntRect& elementRect);
1342 #endif
1343 #if PLATFORM(GTK)
1344     void printFinishedCallback(const WebCore::ResourceError&, uint64_t);
1345 #endif
1346
1347     void focusedFrameChanged(uint64_t frameID);
1348     void frameSetLargestFrameChanged(uint64_t frameID);
1349
1350     void canAuthenticateAgainstProtectionSpaceInFrame(uint64_t frameID, const WebCore::ProtectionSpace&, bool& canAuthenticate);
1351     void didReceiveAuthenticationChallenge(uint64_t frameID, const WebCore::AuthenticationChallenge&, uint64_t challengeID);
1352
1353     void didFinishLoadingDataForCustomContentProvider(const String& suggestedFilename, const IPC::DataReference&);
1354
1355 #if PLATFORM(COCOA)
1356     void pluginFocusOrWindowFocusChanged(uint64_t pluginComplexTextInputIdentifier, bool pluginHasFocusAndWindowHasFocus);
1357     void setPluginComplexTextInputState(uint64_t pluginComplexTextInputIdentifier, uint64_t complexTextInputState);
1358 #endif
1359
1360     bool maybeInitializeSandboxExtensionHandle(const WebCore::URL&, SandboxExtension::Handle&);
1361
1362 #if PLATFORM(MAC)
1363     void substitutionsPanelIsShowing(bool&);
1364     void showCorrectionPanel(int32_t panelType, const WebCore::FloatRect& boundingBoxOfReplacedString, const String& replacedString, const String& replacementString, const Vector<String>& alternativeReplacementStrings);
1365     void dismissCorrectionPanel(int32_t reason);
1366     void dismissCorrectionPanelSoon(int32_t reason, String& result);
1367     void recordAutocorrectionResponse(int32_t responseType, const String& replacedString, const String& replacementString);
1368
1369 #if USE(DICTATION_ALTERNATIVES)
1370     void showDictationAlternativeUI(const WebCore::FloatRect& boundingBoxOfDictatedText, uint64_t dictationContext);
1371     void removeDictationAlternatives(uint64_t dictationContext);
1372     void dictationAlternatives(uint64_t dictationContext, Vector<String>& result);
1373 #endif
1374 #endif // PLATFORM(MAC)
1375
1376 #if PLATFORM(IOS)
1377     WebCore::FloatSize screenSize();
1378     WebCore::FloatSize availableScreenSize();
1379     float textAutosizingWidth();
1380
1381     void dynamicViewportUpdateChangedTarget(double newTargetScale, const WebCore::FloatPoint& newScrollPosition, uint64_t dynamicViewportSizeUpdateID);
1382     void restorePageState(const WebCore::FloatRect&, double scale);
1383     void restorePageCenterAndScale(const WebCore::FloatPoint&, double scale);
1384
1385     void didGetTapHighlightGeometries(uint64_t requestID, const WebCore::Color& color, const Vector<WebCore::FloatQuad>& geometries, const WebCore::IntSize& topLeftRadius, const WebCore::IntSize& topRightRadius, const WebCore::IntSize& bottomLeftRadius, const WebCore::IntSize& bottomRightRadius);
1386
1387     void startAssistingNode(const AssistedNodeInformation&, bool userIsInteracting, bool blurPreviousNode, const UserData&);
1388     void stopAssistingNode();
1389
1390     void showInspectorHighlight(const WebCore::Highlight&);
1391     void hideInspectorHighlight();
1392
1393     void showInspectorIndication();
1394     void hideInspectorIndication();
1395
1396     void enableInspectorNodeSearch();
1397     void disableInspectorNodeSearch();
1398 #endif // PLATFORM(IOS)
1399
1400     void clearLoadDependentCallbacks();
1401
1402     void performDragControllerAction(DragControllerAction, WebCore::DragData&, const String& dragStorageName, const SandboxExtension::Handle&, const SandboxExtension::HandleArray&);
1403
1404     void updateBackingStoreDiscardableState();
1405
1406     void setRenderTreeSize(uint64_t treeSize) { m_renderTreeSize = treeSize; }
1407
1408 #if PLUGIN_ARCHITECTURE(X11)
1409     void createPluginContainer(uint64_t& windowID);
1410     void windowedPluginGeometryDidChange(const WebCore::IntRect& frameRect, const WebCore::IntRect& clipRect, uint64_t windowID);
1411     void windowedPluginVisibilityDidChange(bool isVisible, uint64_t windowID);
1412 #endif
1413
1414     void processNextQueuedWheelEvent();
1415     void sendWheelEvent(const WebWheelEvent&);
1416
1417 #if ENABLE(TOUCH_EVENTS)
1418     bool shouldStartTrackingTouchEvents(const WebTouchEvent&) const;
1419 #endif
1420
1421 #if ENABLE(NETSCAPE_PLUGIN_API)
1422     void findPlugin(const String& mimeType, uint32_t processType, const String& urlString, const String& frameURLString, const String& pageURLString, bool allowOnlyApplicationPlugins, uint64_t& pluginProcessToken, String& newMIMEType, uint32_t& pluginLoadPolicy, String& unavailabilityDescription);
1423 #endif
1424
1425 #if USE(QUICK_LOOK)
1426     void didStartLoadForQuickLookDocumentInMainFrame(const String& fileName, const String& uti);
1427     void didFinishLoadForQuickLookDocumentInMainFrame(const QuickLookDocumentData&);
1428 #endif
1429
1430 #if ENABLE(CONTENT_FILTERING)
1431     void contentFilterDidBlockLoadForFrame(const WebCore::ContentFilterUnblockHandler&, uint64_t frameID);
1432 #endif
1433
1434     uint64_t generateNavigationID();
1435
1436     WebPreferencesStore preferencesStore() const;
1437
1438     void dispatchViewStateChange();
1439     void viewDidLeaveWindow();
1440     void viewDidEnterWindow();
1441
1442 #if PLATFORM(MAC)
1443     void didPerformImmediateActionHitTest(const WebHitTestResult::Data&, bool contentPreventsDefault, const UserData&);
1444 #endif
1445
1446     void handleAutoFillButtonClick(const UserData&);
1447
1448     void handleMessage(IPC::Connection&, const String& messageName, const UserData& messageBody);
1449     void handleSynchronousMessage(IPC::Connection&, const String& messageName, const UserData& messageBody, UserData& returnUserData);
1450
1451     PageClient& m_pageClient;
1452     std::unique_ptr<API::LoaderClient> m_loaderClient;
1453     std::unique_ptr<API::PolicyClient> m_policyClient;
1454     std::unique_ptr<API::NavigationClient> m_navigationClient;
1455     std::unique_ptr<API::HistoryClient> m_historyClient;
1456     std::unique_ptr<API::FormClient> m_formClient;
1457     std::unique_ptr<API::UIClient> m_uiClient;
1458 #if PLATFORM(EFL)
1459     WebUIPopupMenuClient m_uiPopupMenuClient;
1460 #endif
1461     std::unique_ptr<API::FindClient> m_findClient;
1462     WebFindMatchesClient m_findMatchesClient;
1463     std::unique_ptr<API::DiagnosticLoggingClient> m_diagnosticLoggingClient;
1464 #if ENABLE(CONTEXT_MENUS)
1465     std::unique_ptr<API::ContextMenuClient> m_contextMenuClient;
1466 #endif
1467     std::unique_ptr<WebPageInjectedBundleClient> m_injectedBundleClient;
1468
1469     std::unique_ptr<WebNavigationState> m_navigationState;
1470     String m_failingProvisionalLoadURL;
1471
1472     std::unique_ptr<DrawingAreaProxy> m_drawingArea;
1473 #if ENABLE(ASYNC_SCROLLING)
1474     std::unique_ptr<RemoteScrollingCoordinatorProxy> m_scrollingCoordinatorProxy;
1475 #endif
1476
1477     Ref<WebProcessProxy> m_process;
1478     Ref<WebPageGroup> m_pageGroup;
1479     Ref<WebPreferences> m_preferences;
1480
1481     WebProcessLifetimeTracker m_webProcessLifetimeTracker { *this };
1482
1483     const RefPtr<WebUserContentControllerProxy> m_userContentController;
1484     Ref<VisitedLinkProvider> m_visitedLinkProvider;
1485     Ref<WebsiteDataStore> m_websiteDataStore;
1486
1487     RefPtr<WebFrameProxy> m_mainFrame;
1488     RefPtr<WebFrameProxy> m_focusedFrame;
1489     RefPtr<WebFrameProxy> m_frameSetLargestFrame;
1490
1491     String m_userAgent;
1492     String m_applicationNameForUserAgent;
1493     String m_customUserAgent;
1494     String m_customTextEncodingName;
1495
1496     bool m_treatsSHA1CertificatesAsInsecure;
1497
1498     RefPtr<WebInspectorProxy> m_inspector;
1499
1500 #if ENABLE(FULLSCREEN_API)
1501     RefPtr<WebFullScreenManagerProxy> m_fullScreenManager;
1502 #endif
1503 #if PLATFORM(IOS)
1504     RefPtr<WebVideoFullscreenManagerProxy> m_videoFullscreenManager;
1505     VisibleContentRectUpdateInfo m_lastVisibleContentRectUpdate;
1506     bool m_hasReceivedLayerTreeTransactionAfterDidCommitLoad;
1507     uint64_t m_firstLayerTreeTransactionIdAfterDidCommitLoad;
1508     int32_t m_deviceOrientation;
1509     bool m_dynamicViewportSizeUpdateWaitingForTarget;
1510     bool m_dynamicViewportSizeUpdateWaitingForLayerTreeCommit;
1511     uint64_t m_dynamicViewportSizeUpdateLayerTreeTransactionID;
1512     uint64_t m_layerTreeTransactionIdAtLastTouchStart;
1513     uint64_t m_currentDynamicViewportSizeUpdateID { 0 };
1514 #endif
1515
1516 #if ENABLE(VIBRATION)
1517     RefPtr<WebVibrationProxy> m_vibration;
1518 #endif
1519
1520     CallbackMap m_callbacks;
1521     HashSet<uint64_t> m_loadDependentStringCallbackIDs;
1522
1523     HashSet<WebEditCommandProxy*> m_editCommandSet;
1524
1525 #if PLATFORM(COCOA)
1526     HashSet<String> m_knownKeypressCommandNames;
1527 #endif
1528
1529     RefPtr<WebPopupMenuProxy> m_activePopupMenu;
1530 #if ENABLE(CONTEXT_MENUS)
1531     RefPtr<WebContextMenuProxy> m_activeContextMenu;
1532     ContextMenuContextData m_activeContextMenuContextData;
1533 #endif
1534     RefPtr<WebHitTestResult> m_lastMouseMoveHitTestResult;
1535
1536     RefPtr<WebOpenPanelResultListenerProxy> m_openPanelResultListener;
1537     GeolocationPermissionRequestManagerProxy m_geolocationPermissionRequestManager;
1538     NotificationPermissionRequestManagerProxy m_notificationPermissionRequestManager;
1539
1540     UserMediaPermissionRequestManagerProxy m_userMediaPermissionRequestManager;
1541
1542     WebCore::ViewState::Flags m_viewState;
1543     bool m_viewWasEverInWindow;
1544
1545 #if PLATFORM(IOS)
1546     ProcessThrottler::ForegroundActivityToken m_activityToken;
1547 #endif
1548
1549     Ref<WebBackForwardList> m_backForwardList;
1550
1551     bool m_maintainsInactiveSelection;
1552
1553     String m_toolTip;
1554
1555     EditorState m_editorState;
1556     bool m_isEditable;
1557 #if PLATFORM(MAC) && !USE(ASYNC_NSTEXTINPUTCLIENT)
1558     bool m_temporarilyClosedComposition; // Editor state changed from hasComposition to !hasComposition, but that was only with shouldIgnoreCompositionSelectionChange yet.
1559 #endif
1560
1561     double m_textZoomFactor;
1562     double m_pageZoomFactor;
1563     double m_pageScaleFactor;
1564     double m_pluginZoomFactor;
1565     double m_pluginScaleFactor;
1566     double m_viewScaleFactor { 1 };
1567     float m_intrinsicDeviceScaleFactor;
1568     float m_customDeviceScaleFactor;
1569     float m_topContentInset;
1570
1571     LayerHostingMode m_layerHostingMode;
1572
1573     bool m_drawsBackground;
1574     bool m_drawsTransparentBackground;
1575
1576     WebCore::Color m_underlayColor;
1577     WebCore::Color m_pageExtendedBackgroundColor;
1578
1579     bool m_useFixedLayout;
1580     WebCore::IntSize m_fixedLayoutSize;
1581
1582     bool m_suppressScrollbarAnimations;
1583
1584     WebCore::Pagination::Mode m_paginationMode;
1585     bool m_paginationBehavesLikeColumns;
1586     double m_pageLength;
1587     double m_gapBetweenPages;
1588
1589     // If the process backing the web page is alive and kicking.
1590     bool m_isValid;
1591
1592     // Whether WebPageProxy::close() has been called on this page.
1593     bool m_isClosed;
1594
1595     // Whether it can run modal child web pages.
1596     bool m_canRunModal;
1597
1598     bool m_isInPrintingMode;
1599     bool m_isPerformingDOMPrintOperation;
1600
1601     bool m_inDecidePolicyForResponseSync;
1602     const WebCore::ResourceRequest* m_decidePolicyForResponseRequest;
1603     bool m_syncMimeTypePolicyActionIsValid;
1604     WebCore::PolicyAction m_syncMimeTypePolicyAction;
1605     uint64_t m_syncMimeTypePolicyDownloadID;
1606
1607     bool m_inDecidePolicyForNavigationAction;
1608     bool m_syncNavigationActionPolicyActionIsValid;
1609     WebCore::PolicyAction m_syncNavigationActionPolicyAction;
1610     uint64_t m_syncNavigationActionPolicyDownloadID;
1611
1612     Deque<NativeWebKeyboardEvent> m_keyEventQueue;
1613     Deque<NativeWebWheelEvent> m_wheelEventQueue;
1614     Deque<std::unique_ptr<Vector<NativeWebWheelEvent>>> m_currentlyProcessedWheelEvents;
1615
1616     bool m_processingMouseMoveEvent;
1617     std::unique_ptr<NativeWebMouseEvent> m_nextMouseMoveEvent;
1618     std::unique_ptr<NativeWebMouseEvent> m_currentlyProcessedMouseDownEvent;
1619
1620 #if ENABLE(TOUCH_EVENTS)
1621     bool m_isTrackingTouchEvents;
1622 #endif
1623 #if ENABLE(TOUCH_EVENTS) && !ENABLE(IOS_TOUCH_EVENTS)
1624     Deque<QueuedTouchEvents> m_touchEventQueue;
1625 #endif
1626
1627 #if ENABLE(INPUT_TYPE_COLOR)
1628     RefPtr<WebColorPicker> m_colorPicker;
1629 #endif
1630
1631     const uint64_t m_pageID;
1632     WebCore::SessionID m_sessionID;
1633
1634     bool m_isPageSuspended;
1635     bool m_addsVisitedLinks;
1636
1637 #if ENABLE(REMOTE_INSPECTOR)
1638     bool m_allowsRemoteInspection;
1639 #endif
1640
1641 #if PLATFORM(COCOA)
1642     bool m_isSmartInsertDeleteEnabled;
1643 #endif
1644
1645 #if PLATFORM(GTK)
1646     String m_accessibilityPlugID;
1647     WebCore::Color m_backgroundColor;
1648 #endif
1649
1650     int64_t m_spellDocumentTag;
1651     bool m_hasSpellDocumentTag;
1652     unsigned m_pendingLearnOrIgnoreWordMessageCount;
1653
1654     bool m_mainFrameHasCustomContentProvider;
1655
1656 #if ENABLE(DRAG_SUPPORT)
1657     // Current drag destination details are delivered as an asynchronous response,
1658     // so we preserve them to be used when the next dragging delegate call is made.
1659     WebCore::DragOperation m_currentDragOperation;
1660     bool m_currentDragIsOverFileInput;
1661     unsigned m_currentDragNumberOfFilesToBeAccepted;
1662 #endif
1663
1664     PageLoadState m_pageLoadState;
1665
1666     bool m_delegatesScrolling;
1667
1668     bool m_mainFrameHasHorizontalScrollbar;
1669     bool m_mainFrameHasVerticalScrollbar;
1670
1671     // Whether horizontal wheel events can be handled directly for swiping purposes.
1672     bool m_canShortCircuitHorizontalWheelEvents;
1673
1674     bool m_mainFrameIsPinnedToLeftSide;
1675     bool m_mainFrameIsPinnedToRightSide;
1676     bool m_mainFrameIsPinnedToTopSide;
1677     bool m_mainFrameIsPinnedToBottomSide;
1678
1679     bool m_shouldUseImplicitRubberBandControl;
1680     bool m_rubberBandsAtLeft;
1681     bool m_rubberBandsAtRight;
1682     bool m_rubberBandsAtTop;
1683     bool m_rubberBandsAtBottom;
1684
1685     bool m_enableVerticalRubberBanding;
1686     bool m_enableHorizontalRubberBanding;
1687
1688     bool m_backgroundExtendsBeyondPage;
1689
1690     bool m_shouldRecordNavigationSnapshots;
1691     bool m_isShowingNavigationGestureSnapshot;
1692
1693     unsigned m_pageCount;
1694
1695     WebCore::IntRect m_visibleScrollerThumbRect;
1696
1697     uint64_t m_renderTreeSize;
1698     uint64_t m_sessionRestorationRenderTreeSize;
1699     bool m_wantsSessionRestorationRenderTreeSizeThresholdEvent;
1700     bool m_hitRenderTreeSizeThreshold;
1701
1702     bool m_shouldSendEventsSynchronously;
1703
1704     bool m_suppressVisibilityUpdates;
1705     bool m_autoSizingShouldExpandToViewHeight;
1706     WebCore::IntSize m_minimumLayoutSize;
1707
1708     float m_mediaVolume;
1709     bool m_muted;
1710     bool m_mayStartMediaWhenInWindow;
1711
1712     bool m_waitingForDidUpdateViewState;
1713
1714     bool m_shouldScaleViewToFitDocument { false };
1715
1716 #if PLATFORM(COCOA)
1717     HashMap<String, String> m_temporaryPDFFiles;
1718     std::unique_ptr<WebCore::RunLoopObserver> m_viewStateChangeDispatcher;
1719
1720     std::unique_ptr<RemoteLayerTreeScrollingPerformanceData> m_scrollingPerformanceData;
1721     bool m_scrollPerformanceDataCollectionEnabled;
1722 #endif
1723     UserObservablePageToken m_pageIsUserObservableCount;
1724     ProcessSuppressionDisabledToken m_preventProcessSuppressionCount;
1725
1726     WebCore::ScrollPinningBehavior m_scrollPinningBehavior;
1727     WTF::Optional<WebCore::ScrollbarOverlayStyle> m_scrollbarOverlayStyle;
1728
1729     uint64_t m_navigationID;
1730
1731     WebPreferencesStore::ValueMap m_configurationPreferenceValues;
1732     WebCore::ViewState::Flags m_potentiallyChangedViewStateFlags;
1733     bool m_viewStateChangeWantsSynchronousReply;
1734     Vector<uint64_t> m_nextViewStateChangeCallbacks;
1735
1736     WebCore::MediaProducer::MediaStateFlags m_mediaState { WebCore::MediaProducer::IsNotPlaying };
1737
1738 #if ENABLE(WIRELESS_PLAYBACK_TARGET) && !PLATFORM(IOS)
1739     bool m_requiresTargetMonitoring { false };
1740 #endif
1741
1742 };
1743
1744 } // namespace WebKit
1745
1746 #endif // WebPageProxy_h