Add magnify and rotate gesture event support for Mac
[WebKit-https.git] / 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/SearchPopupMenu.h>
75 #include <WebCore/TextChecking.h>
76 #include <WebCore/TextGranularity.h>
77 #include <WebCore/ViewState.h>
78 #include <WebCore/VisibleSelection.h>
79 #include <memory>
80 #include <wtf/HashMap.h>
81 #include <wtf/HashSet.h>
82 #include <wtf/PassRefPtr.h>
83 #include <wtf/Ref.h>
84 #include <wtf/RefPtr.h>
85 #include <wtf/Vector.h>
86 #include <wtf/text/WTFString.h>
87
88 #if ENABLE(DRAG_SUPPORT)
89 #include <WebCore/DragActions.h>
90 #endif
91
92 #if ENABLE(TOUCH_EVENTS)
93 #include "NativeWebTouchEvent.h"
94 #endif
95
96 #if PLATFORM(EFL)
97 #include "WKPageEfl.h"
98 #include "WebUIPopupMenuClient.h"
99 #include <Evas.h>
100 #endif
101
102 #if PLATFORM(COCOA)
103 #include "LayerRepresentation.h"
104 #endif
105
106 #if PLATFORM(MAC)
107 #include "AttributedString.h"
108 #endif
109
110 #if PLATFORM(IOS)
111 #include "ProcessThrottler.h"
112 #endif
113
114 #if PLATFORM(GTK)
115 #include "ArgumentCodersGtk.h"
116 #endif
117
118 #if ENABLE(WIRELESS_PLAYBACK_TARGET) && !PLATFORM(IOS)
119 #include <WebCore/MediaPlaybackTargetPicker.h>
120 #include <WebCore/WebMediaSessionManagerClient.h>
121 #endif
122
123 #if ENABLE(MEDIA_SESSION)
124 namespace WebCore {
125 class MediaSessionMetadata;
126 }
127 #endif
128
129 namespace API {
130 class ContextMenuClient;
131 class FindClient;
132 class FormClient;
133 class HistoryClient;
134 class LoaderClient;
135 class Navigation;
136 class NavigationClient;
137 class PolicyClient;
138 class UIClient;
139 class URLRequest;
140 }
141
142 namespace IPC {
143 class ArgumentDecoder;
144 class Connection;
145 }
146
147 namespace WebCore {
148 class AuthenticationChallenge;
149 class Cursor;
150 class DragData;
151 class FloatRect;
152 class GraphicsLayer;
153 class IntSize;
154 class MediaConstraintsImpl;
155 class ProtectionSpace;
156 class RunLoopObserver;
157 class SharedBuffer;
158 class TextIndicator;
159 struct DictionaryPopupInfo;
160 struct FileChooserSettings;
161 struct SecurityOriginData;
162 struct TextAlternativeWithRange;
163 struct TextCheckingResult;
164 struct ViewportAttributes;
165 struct WindowFeatures;
166 }
167
168 #if USE(APPKIT)
169 OBJC_CLASS WKView;
170 #endif
171
172 #if PLATFORM(GTK)
173 typedef GtkWidget* PlatformWidget;
174 #endif
175
176 namespace WebKit {
177
178 class CertificateInfo;
179 class NativeWebGestureEvent;
180 class NativeWebKeyboardEvent;
181 class NativeWebMouseEvent;
182 class NativeWebWheelEvent;
183 class PageClient;
184 class RemoteLayerTreeScrollingPerformanceData;
185 class RemoteLayerTreeTransaction;
186 class RemoteScrollingCoordinatorProxy;
187 class StringPairVector;
188 class UserData;
189 class ViewSnapshot;
190 class VisitedLinkStore;
191 class WebBackForwardList;
192 class WebBackForwardListItem;
193 class WebContextMenuProxy;
194 class WebEditCommandProxy;
195 class WebFullScreenManagerProxy;
196 class WebNavigationState;
197 class WebVideoFullscreenManagerProxy;
198 class WebKeyboardEvent;
199 class WebMouseEvent;
200 class WebOpenPanelResultListenerProxy;
201 class WebPageGroup;
202 class WebProcessProxy;
203 class WebUserContentControllerProxy;
204 class WebWheelEvent;
205 class WebsiteDataStore;
206 struct AttributedString;
207 struct ColorSpaceData;
208 struct EditingRange;
209 struct EditorState;
210 struct PlatformPopupMenuData;
211 struct PrintInfo;
212 struct WebPopupItem;
213
214 #if ENABLE(VIBRATION)
215 class WebVibrationProxy;
216 #endif
217
218 #if USE(QUICK_LOOK)
219 class QuickLookDocumentData;
220 #endif
221
222 typedef GenericCallback<uint64_t> UnsignedCallback;
223 typedef GenericCallback<EditingRange> EditingRangeCallback;
224 typedef GenericCallback<const String&> StringCallback;
225 typedef GenericCallback<API::SerializedScriptValue*, bool> ScriptValueCallback;
226
227 #if PLATFORM(GTK)
228 typedef GenericCallback<API::Error*> PrintFinishedCallback;
229 #endif
230
231 #if ENABLE(TOUCH_EVENTS)
232 struct QueuedTouchEvents {
233     QueuedTouchEvents(const NativeWebTouchEvent& event)
234         : forwardedEvent(event)
235     {
236     }
237     NativeWebTouchEvent forwardedEvent;
238     Vector<NativeWebTouchEvent> deferredTouchEvents;
239 };
240 #endif
241
242 typedef GenericCallback<const String&, bool, int32_t> ValidateCommandCallback;
243 typedef GenericCallback<const WebCore::IntRect&, const EditingRange&> RectForCharacterRangeCallback;
244
245 #if PLATFORM(MAC)
246 typedef GenericCallback<const AttributedString&, const EditingRange&> AttributedStringForCharacterRangeCallback;
247 typedef GenericCallback<const String&, double, bool> FontAtSelectionCallback;
248 #endif
249
250 #if PLATFORM(IOS)
251 typedef GenericCallback<const WebCore::IntPoint&, uint32_t, uint32_t, uint32_t> GestureCallback;
252 typedef GenericCallback<const WebCore::IntPoint&, uint32_t> TouchesCallback;
253 struct NodeAssistanceArguments {
254     AssistedNodeInformation m_nodeInformation;
255     bool m_userIsInteracting;
256     bool m_blurPreviousNode;
257     RefPtr<API::Object> m_userData;
258 };
259 #endif
260
261 #if PLATFORM(COCOA)
262 typedef GenericCallback<const WebCore::MachSendRight&> MachSendRightCallback;
263 #endif
264
265 class WebPageProxy : public API::ObjectImpl<API::Object::Type::Page>
266 #if ENABLE(INPUT_TYPE_COLOR)
267     , public WebColorPicker::Client
268 #endif
269 #if ENABLE(WIRELESS_PLAYBACK_TARGET) && !PLATFORM(IOS)
270     , public WebCore::WebMediaSessionManagerClient
271 #endif
272     , public WebPopupMenuProxy::Client
273     , public IPC::MessageReceiver
274     , public IPC::MessageSender {
275 public:
276     static Ref<WebPageProxy> create(PageClient&, WebProcessProxy&, uint64_t pageID, Ref<API::PageConfiguration>&&);
277     virtual ~WebPageProxy();
278
279     const API::PageConfiguration& configuration() const;
280
281     uint64_t pageID() const { return m_pageID; }
282     WebCore::SessionID sessionID() const { return m_sessionID; }
283     void setSessionID(WebCore::SessionID);
284
285     WebFrameProxy* mainFrame() const { return m_mainFrame.get(); }
286     WebFrameProxy* focusedFrame() const { return m_focusedFrame.get(); }
287     WebFrameProxy* frameSetLargestFrame() const { return m_frameSetLargestFrame.get(); }
288
289     DrawingAreaProxy* drawingArea() const { return m_drawingArea.get(); }
290
291     WebNavigationState& navigationState() { return *m_navigationState.get(); }
292
293     WebsiteDataStore& websiteDataStore() { return m_websiteDataStore; }
294
295 #if ENABLE(ASYNC_SCROLLING)
296     RemoteScrollingCoordinatorProxy* scrollingCoordinatorProxy() const { return m_scrollingCoordinatorProxy.get(); }
297 #endif
298
299     WebBackForwardList& backForwardList() { return m_backForwardList; }
300
301     bool addsVisitedLinks() const { return m_addsVisitedLinks; }
302     void setAddsVisitedLinks(bool addsVisitedLinks) { m_addsVisitedLinks = addsVisitedLinks; }
303
304     void fullscreenMayReturnToInline();
305     void didEnterFullscreen();
306     void didExitFullscreen();
307
308     WebInspectorProxy* inspector();
309
310 #if ENABLE(REMOTE_INSPECTOR)
311     bool allowsRemoteInspection() const { return m_allowsRemoteInspection; }
312     void setAllowsRemoteInspection(bool);
313 #endif
314
315 #if ENABLE(VIBRATION)
316     WebVibrationProxy* vibration() { return m_vibration.get(); }
317 #endif
318
319 #if ENABLE(FULLSCREEN_API)
320     WebFullScreenManagerProxy* fullScreenManager();
321 #endif
322 #if PLATFORM(IOS)
323     RefPtr<WebVideoFullscreenManagerProxy> videoFullscreenManager();
324
325     bool allowsMediaDocumentInlinePlayback() const;
326     void setAllowsMediaDocumentInlinePlayback(bool);
327 #endif
328
329 #if ENABLE(CONTEXT_MENUS)
330     API::ContextMenuClient& contextMenuClient() { return *m_contextMenuClient; }
331     void setContextMenuClient(std::unique_ptr<API::ContextMenuClient>);
332 #endif
333     API::FindClient& findClient() { return *m_findClient; }
334     void setFindClient(std::unique_ptr<API::FindClient>);
335     API::DiagnosticLoggingClient& diagnosticLoggingClient() { return *m_diagnosticLoggingClient; }
336     void setDiagnosticLoggingClient(std::unique_ptr<API::DiagnosticLoggingClient>);
337     void initializeFindMatchesClient(const WKPageFindMatchesClientBase*);
338     void setFormClient(std::unique_ptr<API::FormClient>);
339     void setNavigationClient(std::unique_ptr<API::NavigationClient>);
340     void setHistoryClient(std::unique_ptr<API::HistoryClient>);
341     void setLoaderClient(std::unique_ptr<API::LoaderClient>);
342     void setPolicyClient(std::unique_ptr<API::PolicyClient>);
343     void setInjectedBundleClient(const WKPageInjectedBundleClientBase*);
344     WebPageInjectedBundleClient* injectedBundleClient() { return m_injectedBundleClient.get(); }
345
346     API::UIClient& uiClient() { return *m_uiClient; }
347     void setUIClient(std::unique_ptr<API::UIClient>);
348 #if PLATFORM(EFL)
349     void initializeUIPopupMenuClient(const WKPageUIPopupMenuClientBase*);
350 #endif
351
352     void initializeWebPage();
353
354     void close();
355     bool tryClose();
356     bool isClosed() const { return m_isClosed; }
357
358     RefPtr<API::Navigation> loadRequest(const WebCore::ResourceRequest&, WebCore::ShouldOpenExternalURLsPolicy = WebCore::ShouldOpenExternalURLsPolicy::ShouldAllowExternalSchemes, API::Object* userData = nullptr);
359     RefPtr<API::Navigation> loadFile(const String& fileURL, const String& resourceDirectoryURL, API::Object* userData = nullptr);
360     RefPtr<API::Navigation> loadData(API::Data*, const String& MIMEType, const String& encoding, const String& baseURL, API::Object* userData = nullptr);
361     RefPtr<API::Navigation> loadHTMLString(const String& htmlString, const String& baseURL, API::Object* userData = nullptr);
362     void loadAlternateHTMLString(const String& htmlString, const String& baseURL, const String& unreachableURL, API::Object* userData = nullptr);
363     void loadPlainTextString(const String&, API::Object* userData = nullptr);
364     void loadWebArchiveData(API::Data*, API::Object* userData = nullptr);
365     void navigateToPDFLinkWithSimulatedClick(const String& url, WebCore::IntPoint documentPoint, WebCore::IntPoint screenPoint);
366
367     void stopLoading();
368     RefPtr<API::Navigation> reload(bool reloadFromOrigin, bool contentBlockersEnabled);
369
370     RefPtr<API::Navigation> goForward();
371     RefPtr<API::Navigation> goBack();
372
373     RefPtr<API::Navigation> goToBackForwardItem(WebBackForwardListItem*);
374     void tryRestoreScrollPosition();
375     void didChangeBackForwardList(WebBackForwardListItem* addedItem, Vector<RefPtr<WebBackForwardListItem>> removed);
376     void willGoToBackForwardListItem(uint64_t itemID, const UserData&);
377
378     bool shouldKeepCurrentBackForwardListItemInList(WebBackForwardListItem*);
379
380     bool willHandleHorizontalScrollEvents() const;
381
382     bool canShowMIMEType(const String& mimeType);
383
384     bool drawsBackground() const { return m_drawsBackground; }
385     void setDrawsBackground(bool);
386
387     bool drawsTransparentBackground() const { return m_drawsTransparentBackground; }
388     void setDrawsTransparentBackground(bool);
389
390     float topContentInset() const { return m_topContentInset; }
391     void setTopContentInset(float);
392
393     WebCore::Color underlayColor() const { return m_underlayColor; }
394     void setUnderlayColor(const WebCore::Color&);
395
396     // At this time, m_pageExtendedBackgroundColor can be set via pageExtendedBackgroundColorDidChange() which is a message
397     // from the UIProcess, or by didCommitLayerTree(). When PLATFORM(MAC) adopts UI side compositing, we should get rid of
398     // the message entirely.
399     WebCore::Color pageExtendedBackgroundColor() const { return m_pageExtendedBackgroundColor; }
400
401     void viewWillStartLiveResize();
402     void viewWillEndLiveResize();
403
404     void setInitialFocus(bool forward, bool isKeyboardEventValid, const WebKeyboardEvent&, std::function<void (CallbackBase::Error)>);
405     
406     void clearSelection();
407     void restoreSelectionInFocusedEditableElement();
408
409     void setViewNeedsDisplay(const WebCore::IntRect&);
410     void displayView();
411     bool canScrollView();
412     void scrollView(const WebCore::IntRect& scrollRect, const WebCore::IntSize& scrollOffset); // FIXME: CoordinatedGraphics should use requestScroll().
413     void requestScroll(const WebCore::FloatPoint& scrollPosition, const WebCore::IntPoint& scrollOrigin, bool isProgrammaticScroll);
414     
415     void setDelegatesScrolling(bool delegatesScrolling) { m_delegatesScrolling = delegatesScrolling; }
416     bool delegatesScrolling() const { return m_delegatesScrolling; }
417
418     enum class ViewStateChangeDispatchMode { Deferrable, Immediate };
419     void viewStateDidChange(WebCore::ViewState::Flags mayHaveChanged, bool wantsSynchronousReply = false, ViewStateChangeDispatchMode = ViewStateChangeDispatchMode::Deferrable);
420     bool isInWindow() const { return m_viewState & WebCore::ViewState::IsInWindow; }
421     void waitForDidUpdateViewState();
422     void didUpdateViewState() { m_waitingForDidUpdateViewState = false; }
423
424     void layerHostingModeDidChange();
425
426     WebCore::IntSize viewSize() const;
427     bool isViewVisible() const { return m_viewState & WebCore::ViewState::IsVisible; }
428     bool isViewWindowActive() const;
429
430     void addMIMETypeWithCustomContentProvider(const String& mimeType);
431
432     void executeEditCommand(const String& commandName, const String& argument = String());
433     void validateCommand(const String& commandName, std::function<void (const String&, bool, int32_t, CallbackBase::Error)>);
434
435     const EditorState& editorState() const { return m_editorState; }
436     bool canDelete() const { return hasSelectedRange() && isContentEditable(); }
437     bool hasSelectedRange() const { return m_editorState.selectionIsRange; }
438     bool isContentEditable() const { return m_editorState.isContentEditable; }
439     
440     bool maintainsInactiveSelection() const { return m_maintainsInactiveSelection; }
441     void setMaintainsInactiveSelection(bool);
442     void setEditable(bool);
443     bool isEditable() const { return m_isEditable; }
444
445 #if PLATFORM(IOS)
446     void executeEditCommand(const String& commandName, std::function<void (CallbackBase::Error)>);
447     double displayedContentScale() const { return m_lastVisibleContentRectUpdate.scale(); }
448     const WebCore::FloatRect& exposedContentRect() const { return m_lastVisibleContentRectUpdate.exposedRect(); }
449     const WebCore::FloatRect& unobscuredContentRect() const { return m_lastVisibleContentRectUpdate.unobscuredRect(); }
450
451     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);
452     void resendLastVisibleContentRects();
453
454     enum class UnobscuredRectConstraint { ConstrainedToDocumentRect, Unconstrained };
455     WebCore::FloatRect computeCustomFixedPositionRect(const WebCore::FloatRect& unobscuredContentRect, double displayedContentScale, UnobscuredRectConstraint = UnobscuredRectConstraint::Unconstrained) const;
456     void overflowScrollViewWillStartPanGesture();
457     void overflowScrollViewDidScroll();
458     void overflowScrollWillStartScroll();
459     void overflowScrollDidEndScroll();
460
461     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);
462     void synchronizeDynamicViewportUpdate();
463
464     void setViewportConfigurationMinimumLayoutSize(const WebCore::FloatSize&);
465     void setMaximumUnobscuredSize(const WebCore::FloatSize&);
466     void setDeviceOrientation(int32_t);
467     int32_t deviceOrientation() const { return m_deviceOrientation; }
468     void willCommitLayerTree(uint64_t transactionID);
469
470     void selectWithGesture(const WebCore::IntPoint, WebCore::TextGranularity, uint32_t gestureType, uint32_t gestureState, bool isInteractingWithAssistedNode, std::function<void (const WebCore::IntPoint&, uint32_t, uint32_t, uint32_t, CallbackBase::Error)>);
471     void updateSelectionWithTouches(const WebCore::IntPoint, uint32_t touches, bool baseIsStart, std::function<void (const WebCore::IntPoint&, uint32_t, CallbackBase::Error)>);
472     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)>);
473     void updateBlockSelectionWithTouch(const WebCore::IntPoint, uint32_t touch, uint32_t handlePosition);
474     void extendSelection(WebCore::TextGranularity);
475     void selectWordBackward();
476     void moveSelectionByOffset(int32_t offset, std::function<void (CallbackBase::Error)>);
477     void selectTextWithGranularityAtPoint(const WebCore::IntPoint, WebCore::TextGranularity, bool isInteractingWithAssistedNode, std::function<void (CallbackBase::Error)>);
478     void selectPositionAtPoint(const WebCore::IntPoint, bool isInteractingWithAssistedNode, std::function<void (CallbackBase::Error)>);
479     void selectPositionAtBoundaryWithDirection(const WebCore::IntPoint, WebCore::TextGranularity, WebCore::SelectionDirection, bool isInteractingWithAssistedNode, std::function<void (CallbackBase::Error)>);
480     void moveSelectionAtBoundaryWithDirection(WebCore::TextGranularity, WebCore::SelectionDirection, std::function<void(CallbackBase::Error)>);
481     void beginSelectionInDirection(WebCore::SelectionDirection, std::function<void (uint64_t, CallbackBase::Error)>);
482     void updateSelectionWithExtentPoint(const WebCore::IntPoint, bool isInteractingWithAssistedNode, std::function<void (uint64_t, CallbackBase::Error)>);
483     void updateSelectionWithExtentPointAndBoundary(const WebCore::IntPoint, WebCore::TextGranularity, bool isInteractingWithAssistedNode, std::function<void(uint64_t, CallbackBase::Error)>);
484     void requestAutocorrectionData(const String& textForAutocorrection, std::function<void (const Vector<WebCore::FloatRect>&, const String&, double, uint64_t, CallbackBase::Error)>);
485     void applyAutocorrection(const String& correction, const String& originalText, std::function<void (const String&, CallbackBase::Error)>);
486     bool applyAutocorrection(const String& correction, const String& originalText);
487     void requestAutocorrectionContext(std::function<void (const String&, const String&, const String&, const String&, uint64_t, uint64_t, CallbackBase::Error)>);
488     void getAutocorrectionContext(String& contextBefore, String& markedText, String& selectedText, String& contextAfter, uint64_t& location, uint64_t& length);
489     void requestDictationContext(std::function<void (const String&, const String&, const String&, CallbackBase::Error)>);
490     void replaceDictatedText(const String& oldText, const String& newText);
491     void replaceSelectedText(const String& oldText, const String& newText);
492     void didReceivePositionInformation(const InteractionInformationAtPosition&);
493     void getPositionInformation(const WebCore::IntPoint&, InteractionInformationAtPosition&);
494     void requestPositionInformation(const WebCore::IntPoint&);
495     void startInteractionWithElementAtPosition(const WebCore::IntPoint&);
496     void stopInteraction();
497     void performActionOnElement(uint32_t action);
498     void saveImageToLibrary(const SharedMemory::Handle& imageHandle, uint64_t imageSize);
499     void didUpdateBlockSelectionWithTouch(uint32_t touch, uint32_t flags, float growThreshold, float shrinkThreshold);
500     void focusNextAssistedNode(bool isForward, std::function<void (CallbackBase::Error)>);
501     void setAssistedNodeValue(const String&);
502     void setAssistedNodeValueAsNumber(double);
503     void setAssistedNodeSelectedIndex(uint32_t index, bool allowMultipleSelection = false);
504     void applicationDidEnterBackground();
505     void applicationWillEnterForeground();
506     void applicationWillResignActive();
507     void applicationDidBecomeActive();
508     void zoomToRect(WebCore::FloatRect, double minimumScale, double maximumScale);
509     void commitPotentialTapFailed();
510     void didNotHandleTapAsClick(const WebCore::IntPoint&);
511     void viewportMetaTagWidthDidChange(float width);
512     void didFinishDrawingPagesToPDF(const IPC::DataReference&);
513     void contentSizeCategoryDidChange(const String& contentSizeCategory);
514     void getLookupContextAtPoint(const WebCore::IntPoint&, std::function<void(const String&, CallbackBase::Error)>);
515 #endif
516
517     void didCommitLayerTree(const WebKit::RemoteLayerTreeTransaction&);
518
519 #if USE(COORDINATED_GRAPHICS_MULTIPROCESS)
520     void didRenderFrame(const WebCore::IntSize& contentsSize, const WebCore::IntRect& coveredRect);
521     void commitPageTransitionViewport();
522 #endif
523 #if PLATFORM(EFL)
524     void setThemePath(const String&);
525 #endif
526
527 #if PLATFORM(GTK)
528     void setComposition(const String& text, Vector<WebCore::CompositionUnderline> underlines, uint64_t selectionStart, uint64_t selectionEnd, uint64_t replacementRangeStart, uint64_t replacementRangeEnd);
529     void confirmComposition(const String& compositionString, int64_t selectionStart, int64_t selectionLength);
530     void cancelComposition();
531 #endif
532
533 #if PLATFORM(GTK)
534     void setInputMethodState(bool enabled);
535 #endif
536
537 #if PLATFORM (GTK) && HAVE(GTK_GESTURES)
538     void getCenterForZoomGesture(const WebCore::IntPoint& centerInViewCoordinates, WebCore::IntPoint& center);
539 #endif
540
541 #if PLATFORM(COCOA)
542     void windowAndViewFramesChanged(const WebCore::FloatRect& viewFrameInWindowCoordinates, const WebCore::FloatPoint& accessibilityViewCoordinates);
543     void setMainFrameIsScrollable(bool);
544
545     void sendComplexTextInputToPlugin(uint64_t pluginComplexTextInputIdentifier, const String& textInput);
546     bool shouldDelayWindowOrderingForEvent(const WebMouseEvent&);
547     bool acceptsFirstMouse(int eventNumber, const WebMouseEvent&);
548
549     void setAcceleratedCompositingRootLayer(LayerOrView*);
550     LayerOrView* acceleratedCompositingRootLayer() const;
551
552     void insertTextAsync(const String& text, const EditingRange& replacementRange, bool registerUndoGroup = false);
553     void getMarkedRangeAsync(std::function<void (EditingRange, CallbackBase::Error)>);
554     void getSelectedRangeAsync(std::function<void (EditingRange, CallbackBase::Error)>);
555     void characterIndexForPointAsync(const WebCore::IntPoint&, std::function<void (uint64_t, CallbackBase::Error)>);
556     void firstRectForCharacterRangeAsync(const EditingRange&, std::function<void (const WebCore::IntRect&, const EditingRange&, CallbackBase::Error)>);
557     void setCompositionAsync(const String& text, Vector<WebCore::CompositionUnderline> underlines, const EditingRange& selectionRange, const EditingRange& replacementRange);
558     void confirmCompositionAsync();
559
560     void setScrollPerformanceDataCollectionEnabled(bool);
561     bool scrollPerformanceDataCollectionEnabled() const { return m_scrollPerformanceDataCollectionEnabled; }
562     RemoteLayerTreeScrollingPerformanceData* scrollingPerformanceData() { return m_scrollingPerformanceData.get(); }
563 #endif // PLATFORM(COCOA)
564
565 #if PLATFORM(MAC)
566     void insertDictatedTextAsync(const String& text, const EditingRange& replacementRange, const Vector<WebCore::TextAlternativeWithRange>& dictationAlternatives, bool registerUndoGroup);
567     void attributedSubstringForCharacterRangeAsync(const EditingRange&, std::function<void (const AttributedString&, const EditingRange&, CallbackBase::Error)>);
568     void setFont(const String& fontFamily, double fontSize, uint64_t fontTraits);
569     void fontAtSelection(std::function<void (const String&, double, bool, CallbackBase::Error)>);
570
571 #if !USE(ASYNC_NSTEXTINPUTCLIENT)
572     bool insertText(const String& text, const EditingRange& replacementRange);
573     void setComposition(const String& text, Vector<WebCore::CompositionUnderline> underlines, const EditingRange& selectionRange, const EditingRange& replacementRange);
574     void confirmComposition();
575     bool insertDictatedText(const String& text, const EditingRange& replacementRange, const Vector<WebCore::TextAlternativeWithRange>& dictationAlternatives);
576     void getAttributedSubstringFromRange(const EditingRange&, AttributedString&);
577     void getMarkedRange(EditingRange&);
578     void getSelectedRange(EditingRange&);
579     uint64_t characterIndexForPoint(const WebCore::IntPoint);
580     WebCore::IntRect firstRectForCharacterRange(const EditingRange&);
581     bool executeKeypressCommands(const Vector<WebCore::KeypressCommand>&);
582     void cancelComposition();
583 #endif // !USE(ASYNC_NSTEXTINPUTCLIENT)
584
585     WKView* wkView() const;
586     void intrinsicContentSizeDidChange(const WebCore::IntSize& intrinsicContentSize);
587     CGRect boundsOfLayerInLayerBackedWindowCoordinates(CALayer *) const;
588 #endif // PLATFORM(MAC)
589
590 #if PLATFORM(EFL)
591     void handleInputMethodKeydown(bool& handled);
592     void confirmComposition(const String&);
593     void setComposition(const String&, Vector<WebCore::CompositionUnderline>&, int);
594     void cancelComposition();
595 #endif
596
597 #if PLATFORM(GTK)
598     PlatformWidget viewWidget();
599     const WebCore::Color& backgroundColor() const { return m_backgroundColor; }
600     void setBackgroundColor(const WebCore::Color& color) { m_backgroundColor = color; }
601 #endif
602
603     void handleMouseEvent(const NativeWebMouseEvent&);
604     void handleWheelEvent(const NativeWebWheelEvent&);
605     void handleKeyboardEvent(const NativeWebKeyboardEvent&);
606
607 #if ENABLE(MAC_GESTURE_EVENTS)
608     void handleGestureEvent(const NativeWebGestureEvent&);
609 #endif
610
611 #if ENABLE(IOS_TOUCH_EVENTS)
612     void handleTouchEventSynchronously(const NativeWebTouchEvent&);
613     void handleTouchEventAsynchronously(const NativeWebTouchEvent&);
614
615 #elif ENABLE(TOUCH_EVENTS)
616     void handleTouchEvent(const NativeWebTouchEvent&);
617 #endif
618
619     void scrollBy(WebCore::ScrollDirection, WebCore::ScrollGranularity);
620     void centerSelectionInVisibleArea();
621
622     const String& toolTip() const { return m_toolTip; }
623
624     const String& userAgent() const { return m_userAgent; }
625     void setApplicationNameForUserAgent(const String&);
626     const String& applicationNameForUserAgent() const { return m_applicationNameForUserAgent; }
627     void setCustomUserAgent(const String&);
628     const String& customUserAgent() const { return m_customUserAgent; }
629     static String standardUserAgent(const String& applicationName = String());
630
631     bool supportsTextEncoding() const;
632     void setCustomTextEncodingName(const String&);
633     String customTextEncodingName() const { return m_customTextEncodingName; }
634
635     bool areActiveDOMObjectsAndAnimationsSuspended() const { return m_isPageSuspended; }
636     void resumeActiveDOMObjectsAndAnimations();
637     void suspendActiveDOMObjectsAndAnimations();
638
639     double estimatedProgress() const;
640
641     void terminateProcess();
642
643     SessionState sessionState(const std::function<bool (WebBackForwardListItem&)>& = nullptr) const;
644     RefPtr<API::Navigation> restoreFromSessionState(SessionState, bool navigate);
645
646     bool supportsTextZoom() const;
647     double textZoomFactor() const { return m_textZoomFactor; }
648     void setTextZoomFactor(double);
649     double pageZoomFactor() const;
650     void setPageZoomFactor(double);
651     void setPageAndTextZoomFactors(double pageZoomFactor, double textZoomFactor);
652
653     void scalePage(double scale, const WebCore::IntPoint& origin);
654     void scalePageInViewCoordinates(double scale, const WebCore::IntPoint& centerInViewCoordinates);
655     double pageScaleFactor() const;
656     double viewScaleFactor() const { return m_viewScaleFactor; }
657     void scaleView(double scale);
658     void setShouldScaleViewToFitDocument(bool);
659     
660     float deviceScaleFactor() const;
661     void setIntrinsicDeviceScaleFactor(float);
662     void setCustomDeviceScaleFactor(float);
663     void windowScreenDidChange(PlatformDisplayID);
664
665     void setUseFixedLayout(bool);
666     void setFixedLayoutSize(const WebCore::IntSize&);
667     bool useFixedLayout() const { return m_useFixedLayout; };
668     const WebCore::IntSize& fixedLayoutSize() const { return m_fixedLayoutSize; };
669
670     void listenForLayoutMilestones(WebCore::LayoutMilestones);
671
672     bool hasHorizontalScrollbar() const { return m_mainFrameHasHorizontalScrollbar; }
673     bool hasVerticalScrollbar() const { return m_mainFrameHasVerticalScrollbar; }
674
675     void setSuppressScrollbarAnimations(bool);
676     bool areScrollbarAnimationsSuppressed() const { return m_suppressScrollbarAnimations; }
677
678     bool isPinnedToLeftSide() const { return m_mainFrameIsPinnedToLeftSide; }
679     bool isPinnedToRightSide() const { return m_mainFrameIsPinnedToRightSide; }
680     bool isPinnedToTopSide() const { return m_mainFrameIsPinnedToTopSide; }
681     bool isPinnedToBottomSide() const { return m_mainFrameIsPinnedToBottomSide; }
682
683     bool rubberBandsAtLeft() const;
684     void setRubberBandsAtLeft(bool);
685     bool rubberBandsAtRight() const;
686     void setRubberBandsAtRight(bool);
687     bool rubberBandsAtTop() const;
688     void setRubberBandsAtTop(bool);
689     bool rubberBandsAtBottom() const;
690     void setRubberBandsAtBottom(bool);
691
692     void setShouldUseImplicitRubberBandControl(bool shouldUseImplicitRubberBandControl) { m_shouldUseImplicitRubberBandControl = shouldUseImplicitRubberBandControl; }
693     bool shouldUseImplicitRubberBandControl() const { return m_shouldUseImplicitRubberBandControl; }
694         
695     void setEnableVerticalRubberBanding(bool);
696     bool verticalRubberBandingIsEnabled() const;
697     void setEnableHorizontalRubberBanding(bool);
698     bool horizontalRubberBandingIsEnabled() const;
699         
700     void setBackgroundExtendsBeyondPage(bool);
701     bool backgroundExtendsBeyondPage() const;
702
703     void setPaginationMode(WebCore::Pagination::Mode);
704     WebCore::Pagination::Mode paginationMode() const { return m_paginationMode; }
705     void setPaginationBehavesLikeColumns(bool);
706     bool paginationBehavesLikeColumns() const { return m_paginationBehavesLikeColumns; }
707     void setPageLength(double);
708     double pageLength() const { return m_pageLength; }
709     void setGapBetweenPages(double);
710     double gapBetweenPages() const { return m_gapBetweenPages; }
711     unsigned pageCount() const { return m_pageCount; }
712
713 #if PLATFORM(COCOA)
714     // Called by the web process through a message.
715     void registerWebProcessAccessibilityToken(const IPC::DataReference&);
716     // Called by the UI process when it is ready to send its tokens to the web process.
717     void registerUIProcessAccessibilityTokens(const IPC::DataReference& elemenToken, const IPC::DataReference& windowToken);
718     bool readSelectionFromPasteboard(const String& pasteboardName);
719     String stringSelectionForPasteboard();
720     RefPtr<WebCore::SharedBuffer> dataSelectionForPasteboard(const String& pasteboardType);
721     void makeFirstResponder();
722
723     ColorSpaceData colorSpace();
724 #endif
725
726 #if ENABLE(SERVICE_CONTROLS)
727     void replaceSelectionWithPasteboardData(const Vector<String>& types, const IPC::DataReference&);
728 #endif
729
730     void pageScaleFactorDidChange(double);
731     void pluginScaleFactorDidChange(double);
732     void pluginZoomFactorDidChange(double);
733
734     // Find.
735     void findString(const String&, FindOptions, unsigned maxMatchCount);
736     void findStringMatches(const String&, FindOptions, unsigned maxMatchCount);
737     void getImageForFindMatch(int32_t matchIndex);
738     void selectFindMatch(int32_t matchIndex);
739     void didGetImageForFindMatch(const ShareableBitmap::Handle& contentImageHandle, uint32_t matchIndex);
740     void hideFindUI();
741     void countStringMatches(const String&, FindOptions, unsigned maxMatchCount);
742     void didCountStringMatches(const String&, uint32_t matchCount);
743     void setTextIndicator(const WebCore::TextIndicatorData&, uint64_t /* WebCore::TextIndicatorWindowLifetime */ lifetime = 0 /* Permanent */);
744     void setTextIndicatorAnimationProgress(float);
745     void clearTextIndicator();
746     void didFindString(const String&, uint32_t matchCount, int32_t matchIndex);
747     void didFailToFindString(const String&);
748     void didFindStringMatches(const String&, const Vector<Vector<WebCore::IntRect>>& matchRects, int32_t firstIndexAfterSelection);
749
750     void getContentsAsString(std::function<void (const String&, CallbackBase::Error)>);
751     void getBytecodeProfile(std::function<void (const String&, CallbackBase::Error)>);
752
753 #if ENABLE(MHTML)
754     void getContentsAsMHTMLData(std::function<void (API::Data*, CallbackBase::Error)>, bool useBinaryEncoding);
755 #endif
756     void getMainResourceDataOfFrame(WebFrameProxy*, std::function<void (API::Data*, CallbackBase::Error)>);
757     void getResourceDataFromFrame(WebFrameProxy*, API::URL*, std::function<void (API::Data*, CallbackBase::Error)>);
758     void getRenderTreeExternalRepresentation(std::function<void (const String&, CallbackBase::Error)>);
759     void getSelectionOrContentsAsString(std::function<void (const String&, CallbackBase::Error)>);
760     void getSelectionAsWebArchiveData(std::function<void (API::Data*, CallbackBase::Error)>);
761     void getSourceForFrame(WebFrameProxy*, std::function<void (const String&, CallbackBase::Error)>);
762     void getWebArchiveOfFrame(WebFrameProxy*, std::function<void (API::Data*, CallbackBase::Error)>);
763     void runJavaScriptInMainFrame(const String&, std::function<void (API::SerializedScriptValue*, bool hadException, CallbackBase::Error)> callbackFunction);
764     void forceRepaint(PassRefPtr<VoidCallback>);
765
766     float headerHeight(WebFrameProxy*);
767     float footerHeight(WebFrameProxy*);
768     void drawHeader(WebFrameProxy*, const WebCore::FloatRect&);
769     void drawFooter(WebFrameProxy*, const WebCore::FloatRect&);
770
771 #if PLATFORM(COCOA)
772     // Dictionary.
773     void performDictionaryLookupAtLocation(const WebCore::FloatPoint&);
774     void performDictionaryLookupOfCurrentSelection();
775 #endif
776
777     void receivedPolicyDecision(WebCore::PolicyAction, WebFrameProxy*, uint64_t listenerID, API::Navigation* navigationID);
778
779     void backForwardRemovedItem(uint64_t itemID);
780
781 #if ENABLE(DRAG_SUPPORT)    
782     // Drag and drop support.
783     void dragEntered(WebCore::DragData&, const String& dragStorageName = String());
784     void dragUpdated(WebCore::DragData&, const String& dragStorageName = String());
785     void dragExited(WebCore::DragData&, const String& dragStorageName = String());
786     void performDragOperation(WebCore::DragData&, const String& dragStorageName, const SandboxExtension::Handle&, const SandboxExtension::HandleArray&);
787
788     void didPerformDragControllerAction(uint64_t dragOperation, bool mouseIsOverFileInput, unsigned numberOfItemsToBeAccepted);
789     void dragEnded(const WebCore::IntPoint& clientPosition, const WebCore::IntPoint& globalPosition, uint64_t operation);
790 #if PLATFORM(COCOA)
791     void setDragImage(const WebCore::IntPoint& clientPosition, const ShareableBitmap::Handle& dragImageHandle, bool isLinkDrag);
792     void setPromisedDataForImage(const String& pasteboardName, const SharedMemory::Handle& imageHandle, uint64_t imageSize, const String& filename, const String& extension,
793                          const String& title, const String& url, const String& visibleURL, const SharedMemory::Handle& archiveHandle, uint64_t archiveSize);
794 #if ENABLE(ATTACHMENT_ELEMENT)
795     void setPromisedDataForAttachment(const String& pasteboardName, const String& filename, const String& extension, const String& title, const String& url, const String& visibleURL);
796 #endif
797 #endif
798 #if PLATFORM(GTK)
799     void startDrag(const WebCore::DragData&, const ShareableBitmap::Handle& dragImage);
800 #endif
801 #endif
802
803     void processDidBecomeUnresponsive();
804     void interactionOccurredWhileProcessUnresponsive();
805     void processDidBecomeResponsive();
806     void processDidCrash();
807 #if PLATFORM(IOS)
808     void processWillBecomeSuspended();
809     void processWillBecomeForeground();
810 #endif
811
812     virtual void enterAcceleratedCompositingMode(const LayerTreeContext&);
813     virtual void exitAcceleratedCompositingMode();
814     virtual void updateAcceleratedCompositingMode(const LayerTreeContext&);
815     
816     enum UndoOrRedo { Undo, Redo };
817     void addEditCommand(WebEditCommandProxy*);
818     void removeEditCommand(WebEditCommandProxy*);
819     bool isValidEditCommand(WebEditCommandProxy*);
820     void registerEditCommand(PassRefPtr<WebEditCommandProxy>, UndoOrRedo);
821
822 #if PLATFORM(COCOA)
823     void registerKeypressCommandName(const String& name) { m_knownKeypressCommandNames.add(name); }
824     bool isValidKeypressCommandName(const String& name) const { return m_knownKeypressCommandNames.contains(name); }
825 #endif
826
827     WebProcessProxy& process() { return m_process; }
828     PlatformProcessIdentifier processIdentifier() const;
829
830     WebPreferences& preferences() { return m_preferences; }
831     void setPreferences(WebPreferences&);
832
833     WebPageGroup& pageGroup() { return m_pageGroup; }
834
835     bool isValid() const;
836
837 #if ENABLE(DRAG_SUPPORT)
838     WebCore::DragOperation currentDragOperation() const { return m_currentDragOperation; }
839     bool currentDragIsOverFileInput() const { return m_currentDragIsOverFileInput; }
840     unsigned currentDragNumberOfFilesToBeAccepted() const { return m_currentDragNumberOfFilesToBeAccepted; }
841     void resetCurrentDragInformation()
842     {
843         m_currentDragOperation = WebCore::DragOperationNone;
844         m_currentDragIsOverFileInput = false;
845         m_currentDragNumberOfFilesToBeAccepted = 0;
846     }
847 #endif
848
849     void preferencesDidChange();
850
851 #if ENABLE(CONTEXT_MENUS)
852     // Called by the WebContextMenuProxy.
853     void contextMenuItemSelected(const WebContextMenuItemData&);
854 #endif
855
856     // Called by the WebOpenPanelResultListenerProxy.
857 #if PLATFORM(IOS)
858     void didChooseFilesForOpenPanelWithDisplayStringAndIcon(const Vector<String>&, const String& displayString, const API::Data* iconData);
859 #endif
860     void didChooseFilesForOpenPanel(const Vector<String>&);
861     void didCancelForOpenPanel();
862
863     WebPageCreationParameters creationParameters();
864
865 #if USE(COORDINATED_GRAPHICS_MULTIPROCESS)
866     void findZoomableAreaForPoint(const WebCore::IntPoint&, const WebCore::IntSize&);
867 #endif
868
869     void handleDownloadRequest(DownloadProxy*);
870
871     void advanceToNextMisspelling(bool startBeforeSelection);
872     void changeSpellingToWord(const String& word);
873 #if USE(APPKIT)
874     void uppercaseWord();
875     void lowercaseWord();
876     void capitalizeWord();
877 #endif
878
879 #if PLATFORM(COCOA)
880     bool isSmartInsertDeleteEnabled() const { return m_isSmartInsertDeleteEnabled; }
881     void setSmartInsertDeleteEnabled(bool);
882 #endif
883
884 #if PLATFORM(GTK)
885     String accessibilityPlugID() const { return m_accessibilityPlugID; }
886 #endif
887
888     void setCanRunModal(bool);
889     bool canRunModal();
890
891     void beginPrinting(WebFrameProxy*, const PrintInfo&);
892     void endPrinting();
893     void computePagesForPrinting(WebFrameProxy*, const PrintInfo&, PassRefPtr<ComputedPagesCallback>);
894 #if PLATFORM(COCOA)
895     void drawRectToImage(WebFrameProxy*, const PrintInfo&, const WebCore::IntRect&, const WebCore::IntSize&, PassRefPtr<ImageCallback>);
896     void drawPagesToPDF(WebFrameProxy*, const PrintInfo&, uint32_t first, uint32_t count, PassRefPtr<DataCallback>);
897 #elif PLATFORM(GTK)
898     void drawPagesForPrinting(WebFrameProxy*, const PrintInfo&, PassRefPtr<PrintFinishedCallback>);
899 #endif
900
901     PageLoadState& pageLoadState() { return m_pageLoadState; }
902
903 #if PLATFORM(COCOA)
904     void handleAlternativeTextUIResult(const String& result);
905 #endif
906
907     void saveDataToFileInDownloadsFolder(const String& suggestedFilename, const String& mimeType, const String& originatingURLString, API::Data*);
908     void savePDFToFileInDownloadsFolder(const String& suggestedFilename, const String& originatingURLString, const IPC::DataReference&);
909 #if PLATFORM(COCOA)
910     void savePDFToTemporaryFolderAndOpenWithNativeApplicationRaw(const String& suggestedFilename, const String& originatingURLString, const uint8_t* data, unsigned long size, const String& pdfUUID);
911     void savePDFToTemporaryFolderAndOpenWithNativeApplication(const String& suggestedFilename, const String& originatingURLString, const IPC::DataReference&, const String& pdfUUID);
912     void openPDFFromTemporaryFolderWithNativeApplication(const String& pdfUUID);
913 #endif
914
915     WebCore::IntRect visibleScrollerThumbRect() const { return m_visibleScrollerThumbRect; }
916
917     uint64_t renderTreeSize() const { return m_renderTreeSize; }
918
919     void printMainFrame();
920     
921     void setMediaVolume(float);
922     void setMuted(bool);
923     void setMayStartMediaWhenInWindow(bool);
924     bool mayStartMediaWhenInWindow() const { return m_mayStartMediaWhenInWindow; }
925         
926 #if ENABLE(MEDIA_SESSION)
927     bool hasMediaSessionWithActiveMediaElements() const { return m_hasMediaSessionWithActiveMediaElements; }
928     void handleMediaEvent(WebCore::MediaEventType);
929     void setVolumeOfMediaElement(double, uint64_t);
930 #endif
931
932     // WebPopupMenuProxy::Client
933     virtual NativeWebMouseEvent* currentlyProcessedMouseDownEvent() override;
934
935     void setSuppressVisibilityUpdates(bool flag);
936     bool suppressVisibilityUpdates() { return m_suppressVisibilityUpdates; }
937
938 #if PLATFORM(IOS)
939     void willStartUserTriggeredZooming();
940
941     void potentialTapAtPosition(const WebCore::FloatPoint&, uint64_t& requestID);
942     void commitPotentialTap();
943     void cancelPotentialTap();
944     void tapHighlightAtPosition(const WebCore::FloatPoint&, uint64_t& requestID);
945     void handleTap(const WebCore::FloatPoint&);
946
947     void inspectorNodeSearchMovedToPosition(const WebCore::FloatPoint&);
948     void inspectorNodeSearchEndedAtPosition(const WebCore::FloatPoint&);
949
950     void blurAssistedNode();
951 #endif
952
953     void postMessageToInjectedBundle(const String& messageName, API::Object* messageBody);
954
955 #if ENABLE(INPUT_TYPE_COLOR)
956     void setColorPickerColor(const WebCore::Color&);
957     void endColorPicker();
958 #endif
959
960     WebCore::IntSize minimumLayoutSize() const { return m_minimumLayoutSize; }
961     void setMinimumLayoutSize(const WebCore::IntSize&);
962
963     bool autoSizingShouldExpandToViewHeight() const { return m_autoSizingShouldExpandToViewHeight; }
964     void setAutoSizingShouldExpandToViewHeight(bool);
965
966     void didReceiveAuthenticationChallengeProxy(uint64_t frameID, PassRefPtr<AuthenticationChallengeProxy>);
967
968     int64_t spellDocumentTag();
969     void didFinishCheckingText(uint64_t requestID, const Vector<WebCore::TextCheckingResult>&);
970     void didCancelCheckingText(uint64_t requestID);
971
972     void connectionWillOpen(IPC::Connection&);
973     void webProcessWillShutDown();
974
975     void processDidFinishLaunching();
976
977     void didSaveToPageCache();
978         
979     void setScrollPinningBehavior(WebCore::ScrollPinningBehavior);
980     WebCore::ScrollPinningBehavior scrollPinningBehavior() { return m_scrollPinningBehavior; }
981
982     void setOverlayScrollbarStyle(WTF::Optional<WebCore::ScrollbarOverlayStyle>);
983     WTF::Optional<WebCore::ScrollbarOverlayStyle> overlayScrollbarStyle() { return m_scrollbarOverlayStyle; }
984
985     bool shouldRecordNavigationSnapshots() const { return m_shouldRecordNavigationSnapshots; }
986     void setShouldRecordNavigationSnapshots(bool shouldRecordSnapshots) { m_shouldRecordNavigationSnapshots = shouldRecordSnapshots; }
987     void recordNavigationSnapshot();
988     void recordNavigationSnapshot(WebBackForwardListItem&);
989
990 #if PLATFORM(COCOA)
991     PassRefPtr<ViewSnapshot> takeViewSnapshot();
992 #endif
993
994 #if ENABLE(SUBTLE_CRYPTO)
995     void wrapCryptoKey(const Vector<uint8_t>&, bool& succeeded, Vector<uint8_t>&);
996     void unwrapCryptoKey(const Vector<uint8_t>&, bool& succeeded, Vector<uint8_t>&);
997 #endif
998
999     void takeSnapshot(WebCore::IntRect, WebCore::IntSize bitmapSize, SnapshotOptions, std::function<void (const ShareableBitmap::Handle&, CallbackBase::Error)>);
1000
1001     void navigationGestureDidBegin();
1002     void navigationGestureWillEnd(bool willNavigate, WebBackForwardListItem&);
1003     void navigationGestureDidEnd(bool willNavigate, WebBackForwardListItem&);
1004     void navigationGestureDidEnd();
1005     void navigationGestureSnapshotWasRemoved();
1006     void willRecordNavigationSnapshot(WebBackForwardListItem&);
1007
1008     bool isShowingNavigationGestureSnapshot() const { return m_isShowingNavigationGestureSnapshot; }
1009
1010     bool isPlayingAudio() const { return !!(m_mediaState & WebCore::MediaProducer::IsPlayingAudio); }
1011     void isPlayingMediaDidChange(WebCore::MediaProducer::MediaStateFlags, uint64_t);
1012
1013 #if ENABLE(MEDIA_SESSION)
1014     void hasMediaSessionWithActiveMediaElementsDidChange(bool);
1015     void mediaSessionMetadataDidChange(const WebCore::MediaSessionMetadata&);
1016     void focusedContentMediaElementDidChange(uint64_t);
1017 #endif
1018
1019 #if PLATFORM(MAC)
1020     void removeNavigationGestureSnapshot();
1021
1022     API::HitTestResult* lastMouseMoveHitTestResult() const { return m_lastMouseMoveHitTestResult.get(); }
1023     void performImmediateActionHitTestAtLocation(WebCore::FloatPoint);
1024
1025     void immediateActionDidUpdate();
1026     void immediateActionDidCancel();
1027     void immediateActionDidComplete();
1028
1029     void* immediateActionAnimationControllerForHitTestResult(RefPtr<API::HitTestResult>, uint64_t, RefPtr<API::Object>);
1030
1031     void installViewStateChangeCompletionHandler(void(^completionHandler)());
1032 #endif
1033
1034 #if PLATFORM(EFL) && HAVE(ACCESSIBILITY) && defined(HAVE_ECORE_X)
1035     bool accessibilityObjectReadByPoint(const WebCore::IntPoint&);
1036     bool accessibilityObjectReadPrevious();
1037     bool accessibilityObjectReadNext();
1038 #endif
1039
1040 #if USE(UNIFIED_TEXT_CHECKING)
1041     void checkTextOfParagraph(const String& text, uint64_t checkingTypes, Vector<WebCore::TextCheckingResult>& results);
1042 #endif
1043     void getGuessesForWord(const String& word, const String& context, Vector<String>& guesses);
1044
1045     void setShouldDispatchFakeMouseMoveEvents(bool);
1046
1047     // Diagnostic messages logging.
1048     void logDiagnosticMessage(const String& message, const String& description, bool shouldSample);
1049     void logDiagnosticMessageWithResult(const String& message, const String& description, uint32_t result, bool shouldSample);
1050     void logDiagnosticMessageWithValue(const String& message, const String& description, const String& value, bool shouldSample);
1051     void logSampledDiagnosticMessage(const String& message, const String& description);
1052     void logSampledDiagnosticMessageWithResult(const String& message, const String& description, uint32_t result);
1053     void logSampledDiagnosticMessageWithValue(const String& message, const String& description, const String& value);
1054
1055 #if ENABLE(WIRELESS_PLAYBACK_TARGET) && !PLATFORM(IOS)
1056     void addPlaybackTargetPickerClient(uint64_t);
1057     void removePlaybackTargetPickerClient(uint64_t);
1058     void showPlaybackTargetPicker(uint64_t, const WebCore::FloatRect&, bool hasVideo);
1059     void playbackTargetPickerClientStateDidChange(uint64_t, WebCore::MediaProducer::MediaStateFlags);
1060
1061     // WebMediaSessionManagerClient
1062     virtual void setPlaybackTarget(uint64_t, Ref<WebCore::MediaPlaybackTarget>&&) override;
1063     virtual void externalOutputDeviceAvailableDidChange(uint64_t, bool) override;
1064     virtual void setShouldPlayToPlaybackTarget(uint64_t, bool) override;
1065 #endif
1066
1067     void didChangeBackgroundColor();
1068     void didLayoutForCustomContentProvider();
1069
1070     // For testing
1071     void clearWheelEventTestTrigger();
1072     void callAfterNextPresentationUpdate(std::function<void (CallbackBase::Error)>);
1073
1074     void didLayout(uint32_t layoutMilestones);
1075
1076 private:
1077     WebPageProxy(PageClient&, WebProcessProxy&, uint64_t pageID, Ref<API::PageConfiguration>&&);
1078     void platformInitialize();
1079
1080     void updateViewState(WebCore::ViewState::Flags flagsToUpdate = WebCore::ViewState::AllFlags);
1081     void updateActivityToken();
1082     void updateProccessSuppressionState();
1083
1084     enum class ResetStateReason {
1085         PageInvalidated,
1086         WebProcessExited,
1087     };
1088     void resetState(ResetStateReason);
1089     void resetStateAfterProcessExited();
1090
1091     void setUserAgent(const String&);
1092
1093     // IPC::MessageReceiver
1094     // Implemented in generated WebPageProxyMessageReceiver.cpp
1095     virtual void didReceiveMessage(IPC::Connection&, IPC::MessageDecoder&) override;
1096     virtual void didReceiveSyncMessage(IPC::Connection&, IPC::MessageDecoder&, std::unique_ptr<IPC::MessageEncoder>&) override;
1097
1098     // IPC::MessageSender
1099     virtual bool sendMessage(std::unique_ptr<IPC::MessageEncoder>, unsigned messageSendFlags) override;
1100     virtual IPC::Connection* messageSenderConnection() override;
1101     virtual uint64_t messageSenderDestinationID() override;
1102
1103     // WebPopupMenuProxy::Client
1104     virtual void valueChangedForPopupMenu(WebPopupMenuProxy*, int32_t newSelectedIndex) override;
1105     virtual void setTextFromItemForPopupMenu(WebPopupMenuProxy*, int32_t index) override;
1106 #if PLATFORM(GTK)
1107     virtual void failedToShowPopupMenu() override;
1108 #endif
1109
1110     void didCreateMainFrame(uint64_t frameID);
1111     void didCreateSubframe(uint64_t frameID);
1112
1113     void didStartProvisionalLoadForFrame(uint64_t frameID, uint64_t navigationID, const String& url, const String& unreachableURL, const UserData&);
1114     void didReceiveServerRedirectForProvisionalLoadForFrame(uint64_t frameID, uint64_t navigationID, const String&, const UserData&);
1115     void didChangeProvisionalURLForFrame(uint64_t frameID, uint64_t navigationID, const String& url);
1116     void didFailProvisionalLoadForFrame(uint64_t frameID, const WebCore::SecurityOriginData& frameSecurityOrigin, uint64_t navigationID, const String& provisionalURL, const WebCore::ResourceError&, const UserData&);
1117     void didCommitLoadForFrame(uint64_t frameID, uint64_t navigationID, const String& mimeType, bool frameHasCustomContentProvider, uint32_t frameLoadType, const WebCore::CertificateInfo&, bool containsPluginDocument, const UserData&);
1118     void didFinishDocumentLoadForFrame(uint64_t frameID, uint64_t navigationID, const UserData&);
1119     void didFinishLoadForFrame(uint64_t frameID, uint64_t navigationID, const UserData&);
1120     void didFailLoadForFrame(uint64_t frameID, uint64_t navigationID, const WebCore::ResourceError&, const UserData&);
1121     void didSameDocumentNavigationForFrame(uint64_t frameID, uint64_t navigationID, uint32_t sameDocumentNavigationType, const String&, const UserData&);
1122     void didReceiveTitleForFrame(uint64_t frameID, const String&, const UserData&);
1123     void didFirstLayoutForFrame(uint64_t frameID, const UserData&);
1124     void didFirstVisuallyNonEmptyLayoutForFrame(uint64_t frameID, const UserData&);
1125     void didDisplayInsecureContentForFrame(uint64_t frameID, const UserData&);
1126     void didRunInsecureContentForFrame(uint64_t frameID, const UserData&);
1127     void didDetectXSSForFrame(uint64_t frameID, const UserData&);
1128     void frameDidBecomeFrameSet(uint64_t frameID, bool);
1129     void didStartProgress();
1130     void didChangeProgress(double);
1131     void didFinishProgress();
1132     void setNetworkRequestsInProgress(bool);
1133
1134     void didDestroyNavigation(uint64_t navigationID);
1135
1136     void decidePolicyForNavigationAction(uint64_t frameID, const WebCore::SecurityOriginData& frameSecurityOrigin, uint64_t navigationID, const NavigationActionData&, uint64_t originatingFrameID, const WebCore::SecurityOriginData& originatingFrameSecurityOrigin, const WebCore::ResourceRequest& originalRequest, const WebCore::ResourceRequest&, uint64_t listenerID, const UserData&, bool& receivedPolicyAction, uint64_t& newNavigationID, uint64_t& policyAction, uint64_t& downloadID);
1137     void decidePolicyForNewWindowAction(uint64_t frameID, const WebCore::SecurityOriginData& frameSecurityOrigin, const NavigationActionData&, const WebCore::ResourceRequest&, const String& frameName, uint64_t listenerID, const UserData&);
1138     void decidePolicyForResponse(uint64_t frameID, const WebCore::SecurityOriginData& frameSecurityOrigin, const WebCore::ResourceResponse&, const WebCore::ResourceRequest&, bool canShowMIMEType, uint64_t listenerID, const UserData&);
1139     void decidePolicyForResponseSync(uint64_t frameID, const WebCore::SecurityOriginData& frameSecurityOrigin, const WebCore::ResourceResponse&, const WebCore::ResourceRequest&, bool canShowMIMEType, uint64_t listenerID, const UserData&, bool& receivedPolicyAction, uint64_t& policyAction, uint64_t& downloadID);
1140     void unableToImplementPolicy(uint64_t frameID, const WebCore::ResourceError&, const UserData&);
1141
1142     void willSubmitForm(uint64_t frameID, uint64_t sourceFrameID, const Vector<std::pair<String, String>>& textFieldValues, uint64_t listenerID, const UserData&);
1143
1144     // History client
1145     void didNavigateWithNavigationData(const WebNavigationDataStore&, uint64_t frameID);
1146     void didPerformClientRedirect(const String& sourceURLString, const String& destinationURLString, uint64_t frameID);
1147     void didPerformServerRedirect(const String& sourceURLString, const String& destinationURLString, uint64_t frameID);
1148     void didUpdateHistoryTitle(const String& title, const String& url, uint64_t frameID);
1149
1150     // UI client
1151     void createNewPage(uint64_t frameID, const WebCore::SecurityOriginData&, const WebCore::ResourceRequest&, const WebCore::WindowFeatures&, const NavigationActionData&, uint64_t& newPageID, WebPageCreationParameters&);
1152     void showPage();
1153     void closePage(bool stopResponsivenessTimer);
1154     void runJavaScriptAlert(uint64_t frameID, const WebCore::SecurityOriginData&, const String&, RefPtr<Messages::WebPageProxy::RunJavaScriptAlert::DelayedReply>);
1155     void runJavaScriptConfirm(uint64_t frameID, const WebCore::SecurityOriginData&, const String&, RefPtr<Messages::WebPageProxy::RunJavaScriptConfirm::DelayedReply>);
1156     void runJavaScriptPrompt(uint64_t frameID, const WebCore::SecurityOriginData&, const String&, const String&, RefPtr<Messages::WebPageProxy::RunJavaScriptPrompt::DelayedReply>);
1157     void setStatusText(const String&);
1158     void mouseDidMoveOverElement(const WebHitTestResultData&, uint32_t modifiers, const UserData&);
1159
1160     void didBeginTrackingPotentialLongMousePress(const WebCore::IntPoint& mouseDownPosition, const WebHitTestResultData&, const UserData&);
1161     void didRecognizeLongMousePress(const UserData&);
1162     void didCancelTrackingPotentialLongMousePress(const UserData&);
1163
1164 #if ENABLE(NETSCAPE_PLUGIN_API)
1165     void unavailablePluginButtonClicked(uint32_t opaquePluginUnavailabilityReason, const String& mimeType, const String& pluginURLString, const String& pluginsPageURLString, const String& frameURLString, const String& pageURLString);
1166 #endif // ENABLE(NETSCAPE_PLUGIN_API)
1167 #if ENABLE(WEBGL)
1168     void webGLPolicyForURL(const String& url, uint32_t& loadPolicy);
1169     void resolveWebGLPolicyForURL(const String& url, uint32_t& loadPolicy);
1170 #endif // ENABLE(WEBGL)
1171     void setToolbarsAreVisible(bool toolbarsAreVisible);
1172     void getToolbarsAreVisible(bool& toolbarsAreVisible);
1173     void setMenuBarIsVisible(bool menuBarIsVisible);
1174     void getMenuBarIsVisible(bool& menuBarIsVisible);
1175     void setStatusBarIsVisible(bool statusBarIsVisible);
1176     void getStatusBarIsVisible(bool& statusBarIsVisible);
1177     void setIsResizable(bool isResizable);
1178     void getIsResizable(bool& isResizable);
1179     void setWindowFrame(const WebCore::FloatRect&);
1180     void getWindowFrame(WebCore::FloatRect&);
1181     void screenToRootView(const WebCore::IntPoint& screenPoint, WebCore::IntPoint& windowPoint);
1182     void rootViewToScreen(const WebCore::IntRect& viewRect, WebCore::IntRect& result);
1183 #if PLATFORM(IOS)
1184     void accessibilityScreenToRootView(const WebCore::IntPoint& screenPoint, WebCore::IntPoint& windowPoint);
1185     void rootViewToAccessibilityScreen(const WebCore::IntRect& viewRect, WebCore::IntRect& result);
1186 #endif
1187     void runBeforeUnloadConfirmPanel(const String& message, uint64_t frameID, bool& shouldClose);
1188     void didChangeViewportProperties(const WebCore::ViewportAttributes&);
1189     void pageDidScroll();
1190     void runOpenPanel(uint64_t frameID, const WebCore::FileChooserSettings&);
1191     void printFrame(uint64_t frameID);
1192     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>);
1193     void reachedApplicationCacheOriginQuota(const String& originIdentifier, uint64_t currentQuota, uint64_t totalBytesNeeded, PassRefPtr<Messages::WebPageProxy::ReachedApplicationCacheOriginQuota::DelayedReply>);
1194     void requestGeolocationPermissionForFrame(uint64_t geolocationID, uint64_t frameID, String originIdentifier);
1195
1196     void requestUserMediaPermissionForFrame(uint64_t userMediaID, uint64_t frameID, String originIdentifier, const Vector<String>& audioDeviceUIDs, const Vector<String>& videoDeviceUIDs);
1197
1198     void runModal();
1199     void notifyScrollerThumbIsVisibleInRect(const WebCore::IntRect&);
1200     void recommendedScrollbarStyleDidChange(int32_t newStyle);
1201     void didChangeScrollbarsForMainFrame(bool hasHorizontalScrollbar, bool hasVerticalScrollbar);
1202     void didChangeScrollOffsetPinningForMainFrame(bool pinnedToLeftSide, bool pinnedToRightSide, bool pinnedToTopSide, bool pinnedToBottomSide);
1203     void didChangePageCount(unsigned);
1204     void pageExtendedBackgroundColorDidChange(const WebCore::Color&);
1205 #if ENABLE(NETSCAPE_PLUGIN_API)
1206     void didFailToInitializePlugin(const String& mimeType, const String& frameURLString, const String& pageURLString);
1207     void didBlockInsecurePluginVersion(const String& mimeType, const String& pluginURLString, const String& frameURLString, const String& pageURLString, bool replacementObscured);
1208 #endif // ENABLE(NETSCAPE_PLUGIN_API)
1209     void setCanShortCircuitHorizontalWheelEvents(bool canShortCircuitHorizontalWheelEvents) { m_canShortCircuitHorizontalWheelEvents = canShortCircuitHorizontalWheelEvents; }
1210
1211     void reattachToWebProcess();
1212     RefPtr<API::Navigation> reattachToWebProcessForReload();
1213     RefPtr<API::Navigation> reattachToWebProcessWithItem(WebBackForwardListItem*);
1214
1215     void requestNotificationPermission(uint64_t notificationID, const String& originString);
1216     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);
1217     void cancelNotification(uint64_t notificationID);
1218     void clearNotifications(const Vector<uint64_t>& notificationIDs);
1219     void didDestroyNotification(uint64_t notificationID);
1220
1221 #if USE(COORDINATED_GRAPHICS_MULTIPROCESS)
1222     void pageDidRequestScroll(const WebCore::IntPoint&);
1223     void pageTransitionViewportReady();
1224     void didFindZoomableArea(const WebCore::IntPoint&, const WebCore::IntRect&);
1225 #endif
1226
1227     void didChangeContentSize(const WebCore::IntSize&);
1228
1229 #if ENABLE(INPUT_TYPE_COLOR)
1230     void showColorPicker(const WebCore::Color& initialColor, const WebCore::IntRect&);
1231     virtual void didChooseColor(const WebCore::Color&) override;
1232     virtual void didEndColorPicker() override;
1233 #endif
1234
1235     void editorStateChanged(const EditorState&);
1236     void compositionWasCanceled(const EditorState&);
1237
1238     // Back/Forward list management
1239     void backForwardAddItem(uint64_t itemID);
1240     void backForwardGoToItem(uint64_t itemID, SandboxExtension::Handle&);
1241     void backForwardItemAtIndex(int32_t index, uint64_t& itemID);
1242     void backForwardBackListCount(int32_t& count);
1243     void backForwardForwardListCount(int32_t& count);
1244     void backForwardClear();
1245
1246     // Undo management
1247     void registerEditCommandForUndo(uint64_t commandID, uint32_t editAction);
1248     void registerInsertionUndoGrouping();
1249     void clearAllEditCommands();
1250     void canUndoRedo(uint32_t action, bool& result);
1251     void executeUndoRedo(uint32_t action, bool& result);
1252
1253     // Keyboard handling
1254 #if PLATFORM(COCOA)
1255     void executeSavedCommandBySelector(const String& selector, bool& handled);
1256 #endif
1257
1258 #if PLATFORM(GTK)
1259     void getEditorCommandsForKeyEvent(const AtomicString&, Vector<String>&);
1260     void bindAccessibilityTree(const String&);
1261 #endif
1262 #if PLATFORM(EFL)
1263     void getEditorCommandsForKeyEvent(Vector<String>&);
1264 #endif
1265
1266     // Popup Menu.
1267     void showPopupMenu(const WebCore::IntRect& rect, uint64_t textDirection, const Vector<WebPopupItem>& items, int32_t selectedIndex, const PlatformPopupMenuData&);
1268     void hidePopupMenu();
1269
1270 #if ENABLE(CONTEXT_MENUS)
1271     void showContextMenu(const ContextMenuContextData&, const UserData&);
1272     void internalShowContextMenu(const ContextMenuContextData&, const UserData&);
1273 #endif
1274
1275 #if ENABLE(TELEPHONE_NUMBER_DETECTION)
1276 #if PLATFORM(MAC)
1277     void showTelephoneNumberMenu(const String& telephoneNumber, const WebCore::IntPoint&);
1278 #endif
1279 #endif
1280
1281     // Search popup results
1282     void saveRecentSearches(const String&, const Vector<WebCore::RecentSearch>&);
1283     void loadRecentSearches(const String&, Vector<WebCore::RecentSearch>&);
1284
1285 #if PLATFORM(COCOA)
1286     // Speech.
1287     void getIsSpeaking(bool&);
1288     void speak(const String&);
1289     void stopSpeaking();
1290
1291     // Spotlight.
1292     void searchWithSpotlight(const String&);
1293         
1294     void searchTheWeb(const String&);
1295
1296     // Dictionary.
1297     void didPerformDictionaryLookup(const WebCore::DictionaryPopupInfo&);
1298 #endif
1299
1300 #if PLATFORM(MAC)
1301     bool appleMailPaginationQuirkEnabled();
1302 #endif
1303
1304     // Spelling and grammar.
1305     void checkSpellingOfString(const String& text, int32_t& misspellingLocation, int32_t& misspellingLength);
1306     void checkGrammarOfString(const String& text, Vector<WebCore::GrammarDetail>&, int32_t& badGrammarLocation, int32_t& badGrammarLength);
1307     void spellingUIIsShowing(bool&);
1308     void updateSpellingUIWithMisspelledWord(const String& misspelledWord);
1309     void updateSpellingUIWithGrammarString(const String& badGrammarPhrase, const WebCore::GrammarDetail&);
1310     void learnWord(const String& word);
1311     void ignoreWord(const String& word);
1312     void requestCheckingOfString(uint64_t requestID, const WebCore::TextCheckingRequestData&);
1313
1314     void setFocus(bool focused);
1315     void takeFocus(uint32_t direction);
1316     void setToolTip(const String&);
1317     void setCursor(const WebCore::Cursor&);
1318     void setCursorHiddenUntilMouseMoves(bool);
1319
1320     void didReceiveEvent(uint32_t opaqueType, bool handled);
1321     void stopResponsivenessTimer();
1322
1323     void voidCallback(uint64_t);
1324     void dataCallback(const IPC::DataReference&, uint64_t);
1325     void imageCallback(const ShareableBitmap::Handle&, uint64_t);
1326     void stringCallback(const String&, uint64_t);
1327     void scriptValueCallback(const IPC::DataReference&, bool hadException, uint64_t);
1328     void computedPagesCallback(const Vector<WebCore::IntRect>&, double totalScaleFactorForPrinting, uint64_t);
1329     void validateCommandCallback(const String&, bool, int, uint64_t);
1330     void unsignedCallback(uint64_t, uint64_t);
1331     void editingRangeCallback(const EditingRange&, uint64_t);
1332 #if PLATFORM(COCOA)
1333     void machSendRightCallback(const WebCore::MachSendRight&, uint64_t);
1334 #endif
1335     void rectForCharacterRangeCallback(const WebCore::IntRect&, const EditingRange&, uint64_t);
1336 #if PLATFORM(MAC)
1337     void attributedStringForCharacterRangeCallback(const AttributedString&, const EditingRange&, uint64_t);
1338     void fontAtSelectionCallback(const String&, double, bool, uint64_t);
1339 #endif
1340 #if PLATFORM(IOS)
1341     void gestureCallback(const WebCore::IntPoint&, uint32_t, uint32_t, uint32_t, uint64_t);
1342     void touchesCallback(const WebCore::IntPoint&, uint32_t, uint64_t);
1343     void autocorrectionDataCallback(const Vector<WebCore::FloatRect>&, const String&, float, uint64_t, uint64_t);
1344     void autocorrectionContextCallback(const String&, const String&, const String&, const String&, uint64_t, uint64_t, uint64_t);
1345     void dictationContextCallback(const String&, const String&, const String&, uint64_t);
1346     void interpretKeyEvent(const EditorState&, bool isCharEvent, bool& handled);
1347     void showPlaybackTargetPicker(bool hasVideo, const WebCore::IntRect& elementRect);
1348 #endif
1349 #if PLATFORM(GTK)
1350     void printFinishedCallback(const WebCore::ResourceError&, uint64_t);
1351 #endif
1352
1353     void focusedFrameChanged(uint64_t frameID);
1354     void frameSetLargestFrameChanged(uint64_t frameID);
1355
1356     void canAuthenticateAgainstProtectionSpaceInFrame(uint64_t frameID, const WebCore::ProtectionSpace&, bool& canAuthenticate);
1357     void didReceiveAuthenticationChallenge(uint64_t frameID, const WebCore::AuthenticationChallenge&, uint64_t challengeID);
1358
1359     void didFinishLoadingDataForCustomContentProvider(const String& suggestedFilename, const IPC::DataReference&);
1360
1361 #if PLATFORM(COCOA)
1362     void pluginFocusOrWindowFocusChanged(uint64_t pluginComplexTextInputIdentifier, bool pluginHasFocusAndWindowHasFocus);
1363     void setPluginComplexTextInputState(uint64_t pluginComplexTextInputIdentifier, uint64_t complexTextInputState);
1364 #endif
1365
1366     bool maybeInitializeSandboxExtensionHandle(const WebCore::URL&, SandboxExtension::Handle&);
1367
1368 #if PLATFORM(MAC)
1369     void substitutionsPanelIsShowing(bool&);
1370     void showCorrectionPanel(int32_t panelType, const WebCore::FloatRect& boundingBoxOfReplacedString, const String& replacedString, const String& replacementString, const Vector<String>& alternativeReplacementStrings);
1371     void dismissCorrectionPanel(int32_t reason);
1372     void dismissCorrectionPanelSoon(int32_t reason, String& result);
1373     void recordAutocorrectionResponse(int32_t responseType, const String& replacedString, const String& replacementString);
1374
1375 #if USE(DICTATION_ALTERNATIVES)
1376     void showDictationAlternativeUI(const WebCore::FloatRect& boundingBoxOfDictatedText, uint64_t dictationContext);
1377     void removeDictationAlternatives(uint64_t dictationContext);
1378     void dictationAlternatives(uint64_t dictationContext, Vector<String>& result);
1379 #endif
1380 #endif // PLATFORM(MAC)
1381
1382 #if PLATFORM(IOS)
1383     WebCore::FloatSize screenSize();
1384     WebCore::FloatSize availableScreenSize();
1385     float textAutosizingWidth();
1386
1387     void dynamicViewportUpdateChangedTarget(double newTargetScale, const WebCore::FloatPoint& newScrollPosition, uint64_t dynamicViewportSizeUpdateID);
1388     void couldNotRestorePageState();
1389     void restorePageState(const WebCore::FloatRect&, double scale);
1390     void restorePageCenterAndScale(const WebCore::FloatPoint&, double scale);
1391
1392     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);
1393
1394     void startAssistingNode(const AssistedNodeInformation&, bool userIsInteracting, bool blurPreviousNode, const UserData&);
1395     void stopAssistingNode();
1396
1397     void showInspectorHighlight(const WebCore::Highlight&);
1398     void hideInspectorHighlight();
1399
1400     void showInspectorIndication();
1401     void hideInspectorIndication();
1402
1403     void enableInspectorNodeSearch();
1404     void disableInspectorNodeSearch();
1405 #endif // PLATFORM(IOS)
1406
1407     void clearLoadDependentCallbacks();
1408
1409     void performDragControllerAction(DragControllerAction, WebCore::DragData&, const String& dragStorageName, const SandboxExtension::Handle&, const SandboxExtension::HandleArray&);
1410
1411     void updateBackingStoreDiscardableState();
1412
1413     void setRenderTreeSize(uint64_t treeSize) { m_renderTreeSize = treeSize; }
1414
1415 #if PLUGIN_ARCHITECTURE(X11)
1416     void createPluginContainer(uint64_t& windowID);
1417     void windowedPluginGeometryDidChange(const WebCore::IntRect& frameRect, const WebCore::IntRect& clipRect, uint64_t windowID);
1418     void windowedPluginVisibilityDidChange(bool isVisible, uint64_t windowID);
1419 #endif
1420
1421     void processNextQueuedWheelEvent();
1422     void sendWheelEvent(const WebWheelEvent&);
1423
1424 #if ENABLE(TOUCH_EVENTS)
1425     bool shouldStartTrackingTouchEvents(const WebTouchEvent&) const;
1426 #endif
1427
1428 #if ENABLE(NETSCAPE_PLUGIN_API)
1429     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);
1430 #endif
1431
1432 #if USE(QUICK_LOOK)
1433     void didStartLoadForQuickLookDocumentInMainFrame(const String& fileName, const String& uti);
1434     void didFinishLoadForQuickLookDocumentInMainFrame(const QuickLookDocumentData&);
1435 #endif
1436
1437 #if ENABLE(CONTENT_FILTERING)
1438     void contentFilterDidBlockLoadForFrame(const WebCore::ContentFilterUnblockHandler&, uint64_t frameID);
1439 #endif
1440
1441     uint64_t generateNavigationID();
1442
1443     WebPreferencesStore preferencesStore() const;
1444
1445     void dispatchViewStateChange();
1446     void viewDidLeaveWindow();
1447     void viewDidEnterWindow();
1448
1449 #if PLATFORM(MAC)
1450     void didPerformImmediateActionHitTest(const WebHitTestResultData&, bool contentPreventsDefault, const UserData&);
1451 #endif
1452
1453     void useFixedLayoutDidChange(bool useFixedLayout) { m_useFixedLayout = useFixedLayout; }
1454     void fixedLayoutSizeDidChange(WebCore::IntSize fixedLayoutSize) { m_fixedLayoutSize = fixedLayoutSize; }
1455
1456     void imageOrMediaDocumentSizeChanged(const WebCore::IntSize&);
1457 #if ENABLE(VIDEO)
1458 #if USE(GSTREAMER)
1459     void requestInstallMissingMediaPlugins(const String& details, const String& description);
1460 #endif
1461 #endif
1462
1463     void handleAutoFillButtonClick(const UserData&);
1464
1465     void handleMessage(IPC::Connection&, const String& messageName, const UserData& messageBody);
1466     void handleSynchronousMessage(IPC::Connection&, const String& messageName, const UserData& messageBody, UserData& returnUserData);
1467
1468     PageClient& m_pageClient;
1469     Ref<API::PageConfiguration> m_configuration;
1470
1471     std::unique_ptr<API::LoaderClient> m_loaderClient;
1472     std::unique_ptr<API::PolicyClient> m_policyClient;
1473     std::unique_ptr<API::NavigationClient> m_navigationClient;
1474     std::unique_ptr<API::HistoryClient> m_historyClient;
1475     std::unique_ptr<API::FormClient> m_formClient;
1476     std::unique_ptr<API::UIClient> m_uiClient;
1477 #if PLATFORM(EFL)
1478     WebUIPopupMenuClient m_uiPopupMenuClient;
1479 #endif
1480     std::unique_ptr<API::FindClient> m_findClient;
1481     WebFindMatchesClient m_findMatchesClient;
1482     std::unique_ptr<API::DiagnosticLoggingClient> m_diagnosticLoggingClient;
1483 #if ENABLE(CONTEXT_MENUS)
1484     std::unique_ptr<API::ContextMenuClient> m_contextMenuClient;
1485 #endif
1486     std::unique_ptr<WebPageInjectedBundleClient> m_injectedBundleClient;
1487
1488     std::unique_ptr<WebNavigationState> m_navigationState;
1489     String m_failingProvisionalLoadURL;
1490
1491     std::unique_ptr<DrawingAreaProxy> m_drawingArea;
1492 #if ENABLE(ASYNC_SCROLLING)
1493     std::unique_ptr<RemoteScrollingCoordinatorProxy> m_scrollingCoordinatorProxy;
1494 #endif
1495
1496     Ref<WebProcessProxy> m_process;
1497     Ref<WebPageGroup> m_pageGroup;
1498     Ref<WebPreferences> m_preferences;
1499
1500     WebProcessLifetimeTracker m_webProcessLifetimeTracker { *this };
1501
1502     const RefPtr<WebUserContentControllerProxy> m_userContentController;
1503     Ref<VisitedLinkStore> m_visitedLinkStore;
1504     Ref<WebsiteDataStore> m_websiteDataStore;
1505
1506     RefPtr<WebFrameProxy> m_mainFrame;
1507     RefPtr<WebFrameProxy> m_focusedFrame;
1508     RefPtr<WebFrameProxy> m_frameSetLargestFrame;
1509
1510     String m_userAgent;
1511     String m_applicationNameForUserAgent;
1512     String m_customUserAgent;
1513     String m_customTextEncodingName;
1514
1515     bool m_treatsSHA1CertificatesAsInsecure;
1516
1517     RefPtr<WebInspectorProxy> m_inspector;
1518
1519 #if ENABLE(FULLSCREEN_API)
1520     RefPtr<WebFullScreenManagerProxy> m_fullScreenManager;
1521 #endif
1522 #if PLATFORM(IOS)
1523     RefPtr<WebVideoFullscreenManagerProxy> m_videoFullscreenManager;
1524     VisibleContentRectUpdateInfo m_lastVisibleContentRectUpdate;
1525     bool m_hasReceivedLayerTreeTransactionAfterDidCommitLoad;
1526     uint64_t m_firstLayerTreeTransactionIdAfterDidCommitLoad;
1527     int32_t m_deviceOrientation;
1528     bool m_dynamicViewportSizeUpdateWaitingForTarget;
1529     bool m_dynamicViewportSizeUpdateWaitingForLayerTreeCommit;
1530     uint64_t m_dynamicViewportSizeUpdateLayerTreeTransactionID;
1531     uint64_t m_layerTreeTransactionIdAtLastTouchStart;
1532     uint64_t m_currentDynamicViewportSizeUpdateID { 0 };
1533     bool m_hasNetworkRequestsOnSuspended;
1534 #endif
1535
1536 #if ENABLE(VIBRATION)
1537     RefPtr<WebVibrationProxy> m_vibration;
1538 #endif
1539
1540     CallbackMap m_callbacks;
1541     HashSet<uint64_t> m_loadDependentStringCallbackIDs;
1542
1543     HashSet<WebEditCommandProxy*> m_editCommandSet;
1544
1545 #if PLATFORM(COCOA)
1546     HashSet<String> m_knownKeypressCommandNames;
1547 #endif
1548
1549     RefPtr<WebPopupMenuProxy> m_activePopupMenu;
1550 #if ENABLE(CONTEXT_MENUS)
1551     RefPtr<WebContextMenuProxy> m_activeContextMenu;
1552     ContextMenuContextData m_activeContextMenuContextData;
1553 #endif
1554     RefPtr<API::HitTestResult> m_lastMouseMoveHitTestResult;
1555
1556     RefPtr<WebOpenPanelResultListenerProxy> m_openPanelResultListener;
1557     GeolocationPermissionRequestManagerProxy m_geolocationPermissionRequestManager;
1558     NotificationPermissionRequestManagerProxy m_notificationPermissionRequestManager;
1559
1560     UserMediaPermissionRequestManagerProxy m_userMediaPermissionRequestManager;
1561
1562     WebCore::ViewState::Flags m_viewState;
1563     bool m_viewWasEverInWindow;
1564 #if PLATFORM(IOS)
1565     bool m_allowsMediaDocumentInlinePlayback { false };
1566     bool m_alwaysRunsAtForegroundPriority;
1567     ProcessThrottler::ForegroundActivityToken m_activityToken;
1568 #endif
1569         
1570     Ref<WebBackForwardList> m_backForwardList;
1571         
1572     bool m_maintainsInactiveSelection;
1573
1574     String m_toolTip;
1575
1576     EditorState m_editorState;
1577     bool m_isEditable;
1578 #if PLATFORM(MAC) && !USE(ASYNC_NSTEXTINPUTCLIENT)
1579     bool m_temporarilyClosedComposition; // Editor state changed from hasComposition to !hasComposition, but that was only with shouldIgnoreCompositionSelectionChange yet.
1580 #endif
1581
1582     double m_textZoomFactor;
1583     double m_pageZoomFactor;
1584     double m_pageScaleFactor;
1585     double m_pluginZoomFactor;
1586     double m_pluginScaleFactor;
1587     double m_viewScaleFactor { 1 };
1588     float m_intrinsicDeviceScaleFactor;
1589     float m_customDeviceScaleFactor;
1590     float m_topContentInset;
1591
1592     LayerHostingMode m_layerHostingMode;
1593
1594     bool m_drawsBackground;
1595     bool m_drawsTransparentBackground;
1596
1597     WebCore::Color m_underlayColor;
1598     WebCore::Color m_pageExtendedBackgroundColor;
1599
1600     bool m_useFixedLayout;
1601     WebCore::IntSize m_fixedLayoutSize;
1602
1603     bool m_suppressScrollbarAnimations;
1604
1605     WebCore::Pagination::Mode m_paginationMode;
1606     bool m_paginationBehavesLikeColumns;
1607     double m_pageLength;
1608     double m_gapBetweenPages;
1609
1610     // If the process backing the web page is alive and kicking.
1611     bool m_isValid;
1612
1613     // Whether WebPageProxy::close() has been called on this page.
1614     bool m_isClosed;
1615
1616     // Whether it can run modal child web pages.
1617     bool m_canRunModal;
1618
1619     bool m_isInPrintingMode;
1620     bool m_isPerformingDOMPrintOperation;
1621
1622     bool m_inDecidePolicyForResponseSync;
1623     const WebCore::ResourceRequest* m_decidePolicyForResponseRequest;
1624     bool m_syncMimeTypePolicyActionIsValid;
1625     WebCore::PolicyAction m_syncMimeTypePolicyAction;
1626     uint64_t m_syncMimeTypePolicyDownloadID;
1627
1628     bool m_inDecidePolicyForNavigationAction;
1629     bool m_syncNavigationActionPolicyActionIsValid;
1630     WebCore::PolicyAction m_syncNavigationActionPolicyAction;
1631     uint64_t m_syncNavigationActionPolicyDownloadID;
1632     bool m_shouldSuppressAppLinksInNextNavigationPolicyDecision { false };
1633
1634     Deque<NativeWebKeyboardEvent> m_keyEventQueue;
1635     Deque<NativeWebWheelEvent> m_wheelEventQueue;
1636     Deque<std::unique_ptr<Vector<NativeWebWheelEvent>>> m_currentlyProcessedWheelEvents;
1637 #if ENABLE(MAC_GESTURE_EVENTS)
1638     Deque<NativeWebGestureEvent> m_gestureEventQueue;
1639 #endif
1640
1641     bool m_processingMouseMoveEvent;
1642     std::unique_ptr<NativeWebMouseEvent> m_nextMouseMoveEvent;
1643     std::unique_ptr<NativeWebMouseEvent> m_currentlyProcessedMouseDownEvent;
1644
1645 #if ENABLE(TOUCH_EVENTS)
1646     bool m_isTrackingTouchEvents;
1647 #endif
1648 #if ENABLE(TOUCH_EVENTS) && !ENABLE(IOS_TOUCH_EVENTS)
1649     Deque<QueuedTouchEvents> m_touchEventQueue;
1650 #endif
1651
1652 #if ENABLE(INPUT_TYPE_COLOR)
1653     RefPtr<WebColorPicker> m_colorPicker;
1654 #endif
1655
1656     const uint64_t m_pageID;
1657     WebCore::SessionID m_sessionID;
1658
1659     bool m_isPageSuspended;
1660     bool m_addsVisitedLinks;
1661
1662 #if ENABLE(REMOTE_INSPECTOR)
1663     bool m_allowsRemoteInspection;
1664 #endif
1665
1666 #if PLATFORM(COCOA)
1667     bool m_isSmartInsertDeleteEnabled;
1668 #endif
1669
1670 #if PLATFORM(GTK)
1671     String m_accessibilityPlugID;
1672     WebCore::Color m_backgroundColor;
1673 #endif
1674
1675     int64_t m_spellDocumentTag;
1676     bool m_hasSpellDocumentTag;
1677     unsigned m_pendingLearnOrIgnoreWordMessageCount;
1678
1679     bool m_mainFrameHasCustomContentProvider;
1680
1681 #if ENABLE(DRAG_SUPPORT)
1682     // Current drag destination details are delivered as an asynchronous response,
1683     // so we preserve them to be used when the next dragging delegate call is made.
1684     WebCore::DragOperation m_currentDragOperation;
1685     bool m_currentDragIsOverFileInput;
1686     unsigned m_currentDragNumberOfFilesToBeAccepted;
1687 #endif
1688
1689     PageLoadState m_pageLoadState;
1690     
1691     bool m_delegatesScrolling;
1692
1693     bool m_mainFrameHasHorizontalScrollbar;
1694     bool m_mainFrameHasVerticalScrollbar;
1695
1696     // Whether horizontal wheel events can be handled directly for swiping purposes.
1697     bool m_canShortCircuitHorizontalWheelEvents;
1698
1699     bool m_mainFrameIsPinnedToLeftSide;
1700     bool m_mainFrameIsPinnedToRightSide;
1701     bool m_mainFrameIsPinnedToTopSide;
1702     bool m_mainFrameIsPinnedToBottomSide;
1703
1704     bool m_shouldUseImplicitRubberBandControl;
1705     bool m_rubberBandsAtLeft;
1706     bool m_rubberBandsAtRight;
1707     bool m_rubberBandsAtTop;
1708     bool m_rubberBandsAtBottom;
1709         
1710     bool m_enableVerticalRubberBanding;
1711     bool m_enableHorizontalRubberBanding;
1712
1713     bool m_backgroundExtendsBeyondPage;
1714
1715     bool m_shouldRecordNavigationSnapshots;
1716     bool m_isShowingNavigationGestureSnapshot;
1717
1718     unsigned m_pageCount;
1719
1720     WebCore::IntRect m_visibleScrollerThumbRect;
1721
1722     uint64_t m_renderTreeSize;
1723     uint64_t m_sessionRestorationRenderTreeSize;
1724     bool m_wantsSessionRestorationRenderTreeSizeThresholdEvent;
1725     bool m_hitRenderTreeSizeThreshold;
1726
1727     bool m_suppressVisibilityUpdates;
1728     bool m_autoSizingShouldExpandToViewHeight;
1729     WebCore::IntSize m_minimumLayoutSize;
1730
1731     float m_mediaVolume;
1732     bool m_muted;
1733     bool m_mayStartMediaWhenInWindow;
1734
1735     bool m_waitingForDidUpdateViewState;
1736
1737     bool m_shouldScaleViewToFitDocument { false };
1738     bool m_suppressNavigationSnapshotting { false };
1739
1740 #if PLATFORM(COCOA)
1741     HashMap<String, String> m_temporaryPDFFiles;
1742     std::unique_ptr<WebCore::RunLoopObserver> m_viewStateChangeDispatcher;
1743
1744     std::unique_ptr<RemoteLayerTreeScrollingPerformanceData> m_scrollingPerformanceData;
1745     bool m_scrollPerformanceDataCollectionEnabled;
1746 #endif
1747     UserObservablePageToken m_pageIsUserObservableCount;
1748     ProcessSuppressionDisabledToken m_preventProcessSuppressionCount;
1749         
1750     WebCore::ScrollPinningBehavior m_scrollPinningBehavior;
1751     WTF::Optional<WebCore::ScrollbarOverlayStyle> m_scrollbarOverlayStyle;
1752
1753     uint64_t m_navigationID;
1754
1755     WebPreferencesStore::ValueMap m_configurationPreferenceValues;
1756     WebCore::ViewState::Flags m_potentiallyChangedViewStateFlags;
1757     bool m_viewStateChangeWantsSynchronousReply;
1758     Vector<uint64_t> m_nextViewStateChangeCallbacks;
1759
1760     WebCore::MediaProducer::MediaStateFlags m_mediaState { WebCore::MediaProducer::IsNotPlaying };
1761
1762 #if ENABLE(MEDIA_SESSION)
1763     bool m_hasMediaSessionWithActiveMediaElements { false };
1764 #endif
1765
1766 #if ENABLE(WIRELESS_PLAYBACK_TARGET) && !PLATFORM(IOS)
1767     bool m_requiresTargetMonitoring { false };
1768 #endif
1769
1770 #if PLATFORM(IOS)
1771     bool m_hasDeferredStartAssistingNode { false };
1772     std::unique_ptr<NodeAssistanceArguments> m_deferredNodeAssistanceArguments;
1773 #endif
1774 };
1775
1776 } // namespace WebKit
1777
1778 #endif // WebPageProxy_h