242b42a4b39b3f0e6477fe8c655d7367f6fbd9bc
[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/HitTestResult.h>
69 #include <WebCore/MediaProducer.h>
70 #include <WebCore/Page.h>
71 #include <WebCore/PlatformScreen.h>
72 #include <WebCore/ScrollTypes.h>
73 #include <WebCore/TextChecking.h>
74 #include <WebCore/TextGranularity.h>
75 #include <WebCore/ViewState.h>
76 #include <WebCore/VisibleSelection.h>
77 #include <memory>
78 #include <wtf/HashMap.h>
79 #include <wtf/HashSet.h>
80 #include <wtf/PassRefPtr.h>
81 #include <wtf/Ref.h>
82 #include <wtf/RefPtr.h>
83 #include <wtf/Vector.h>
84 #include <wtf/text/WTFString.h>
85
86 #if ENABLE(DRAG_SUPPORT)
87 #include <WebCore/DragActions.h>
88 #endif
89
90 #if ENABLE(TOUCH_EVENTS)
91 #include "NativeWebTouchEvent.h"
92 #endif
93
94 #if PLATFORM(EFL)
95 #include "WKPageEfl.h"
96 #include "WebUIPopupMenuClient.h"
97 #include <Evas.h>
98 #endif
99
100 #if PLATFORM(COCOA)
101 #include "LayerRepresentation.h"
102 #endif
103
104 #if PLATFORM(MAC)
105 #include "AttributedString.h"
106 #endif
107
108 #if PLATFORM(IOS)
109 #include "ProcessThrottler.h"
110 #endif
111
112 #if PLATFORM(GTK)
113 #include "ArgumentCodersGtk.h"
114 #endif
115
116 #if ENABLE(WIRELESS_PLAYBACK_TARGET) && !PLATFORM(IOS)
117 #include <WebCore/MediaPlaybackTargetPicker.h>
118 #include <WebCore/WebMediaSessionManagerClient.h>
119 #endif
120
121 namespace API {
122 class ContextMenuClient;
123 class FindClient;
124 class FormClient;
125 class HistoryClient;
126 class LoaderClient;
127 class Navigation;
128 class NavigationClient;
129 class PolicyClient;
130 class UIClient;
131 class URLRequest;
132 }
133
134 namespace IPC {
135 class ArgumentDecoder;
136 class Connection;
137 }
138
139 namespace WebCore {
140 class AuthenticationChallenge;
141 class Cursor;
142 class DragData;
143 class FloatRect;
144 class GraphicsLayer;
145 class IntSize;
146 class MediaConstraintsImpl;
147 class ProtectionSpace;
148 class RunLoopObserver;
149 class SharedBuffer;
150 class TextIndicator;
151 struct FileChooserSettings;
152 struct TextAlternativeWithRange;
153 struct TextCheckingResult;
154 struct ViewportAttributes;
155 struct WindowFeatures;
156 }
157
158 #if USE(APPKIT)
159 OBJC_CLASS WKView;
160 #endif
161
162 #if PLATFORM(GTK)
163 typedef GtkWidget* PlatformWidget;
164 #endif
165
166 namespace WebKit {
167
168 class CertificateInfo;
169 class NativeWebKeyboardEvent;
170 class NativeWebMouseEvent;
171 class NativeWebWheelEvent;
172 class PageClient;
173 class RemoteLayerTreeScrollingPerformanceData;
174 class RemoteLayerTreeTransaction;
175 class RemoteScrollingCoordinatorProxy;
176 class StringPairVector;
177 class UserData;
178 class ViewSnapshot;
179 class VisitedLinkProvider;
180 class WebBackForwardList;
181 class WebBackForwardListItem;
182 class WebContextMenuProxy;
183 class WebEditCommandProxy;
184 class WebFullScreenManagerProxy;
185 class WebNavigationState;
186 class WebVideoFullscreenManagerProxy;
187 class WebKeyboardEvent;
188 class WebMouseEvent;
189 class WebOpenPanelResultListenerProxy;
190 class WebPageGroup;
191 class WebProcessProxy;
192 class WebUserContentControllerProxy;
193 class WebWheelEvent;
194 class WebsiteDataStore;
195 struct AttributedString;
196 struct ColorSpaceData;
197 struct DictionaryPopupInfo;
198 struct EditingRange;
199 struct EditorState;
200 struct PlatformPopupMenuData;
201 struct PrintInfo;
202 struct WebPopupItem;
203
204 #if ENABLE(VIBRATION)
205 class WebVibrationProxy;
206 #endif
207
208 #if USE(QUICK_LOOK)
209 class QuickLookDocumentData;
210 #endif
211
212 typedef GenericCallback<uint64_t> UnsignedCallback;
213 typedef GenericCallback<EditingRange> EditingRangeCallback;
214 typedef GenericCallback<const String&> StringCallback;
215 typedef GenericCallback<API::SerializedScriptValue*> ScriptValueCallback;
216
217 #if PLATFORM(GTK)
218 typedef GenericCallback<API::Error*> PrintFinishedCallback;
219 #endif
220
221 #if ENABLE(TOUCH_EVENTS)
222 struct QueuedTouchEvents {
223     QueuedTouchEvents(const NativeWebTouchEvent& event)
224         : forwardedEvent(event)
225     {
226     }
227     NativeWebTouchEvent forwardedEvent;
228     Vector<NativeWebTouchEvent> deferredTouchEvents;
229 };
230 #endif
231
232 typedef GenericCallback<const String&, bool, int32_t> ValidateCommandCallback;
233 typedef GenericCallback<const WebCore::IntRect&, const EditingRange&> RectForCharacterRangeCallback;
234
235 #if PLATFORM(MAC)
236 typedef GenericCallback<const AttributedString&, const EditingRange&> AttributedStringForCharacterRangeCallback;
237 typedef GenericCallback<const String&, double, bool> FontAtSelectionCallback;
238 #endif
239
240 #if PLATFORM(IOS)
241 typedef GenericCallback<const WebCore::IntPoint&, uint32_t, uint32_t, uint32_t> GestureCallback;
242 typedef GenericCallback<const WebCore::IntPoint&, uint32_t> TouchesCallback;
243 #endif
244
245 #if PLATFORM(COCOA)
246 typedef GenericCallback<const WebCore::MachSendRight&> MachSendRightCallback;
247 #endif
248
249 struct WebPageConfiguration {
250     WebPageGroup* pageGroup = nullptr;
251     WebPreferences* preferences = nullptr;
252     WebUserContentControllerProxy* userContentController = nullptr;
253     VisitedLinkProvider* visitedLinkProvider = nullptr;
254
255     WebsiteDataStore* websiteDataStore = nullptr;
256     // FIXME: We currently have to pass the session ID separately here to support the legacy private browsing session.
257     // Once we get rid of it we should get rid of this configuration parameter as well.
258     WebCore::SessionID sessionID;
259
260     WebPageProxy* relatedPage = nullptr;
261
262     bool treatsSHA1SignedCertificatesAsInsecure = false;
263
264     WebPreferencesStore::ValueMap preferenceValues;
265 };
266
267 class WebPageProxy : public API::ObjectImpl<API::Object::Type::Page>
268 #if ENABLE(INPUT_TYPE_COLOR)
269     , public WebColorPicker::Client
270 #endif
271 #if ENABLE(WIRELESS_PLAYBACK_TARGET) && !PLATFORM(IOS)
272     , public WebCore::WebMediaSessionManagerClient
273 #endif
274     , public WebPopupMenuProxy::Client
275     , public IPC::MessageReceiver
276     , public IPC::MessageSender {
277 public:
278     static Ref<WebPageProxy> create(PageClient&, WebProcessProxy&, uint64_t pageID, const WebPageConfiguration&);
279     virtual ~WebPageProxy();
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 #endif
325
326 #if ENABLE(CONTEXT_MENUS)
327     void setContextMenuClient(std::unique_ptr<API::ContextMenuClient>);
328 #endif
329     API::FindClient& findClient() { return *m_findClient; }
330     void setFindClient(std::unique_ptr<API::FindClient>);
331     API::DiagnosticLoggingClient& diagnosticLoggingClient() { return *m_diagnosticLoggingClient; }
332     void setDiagnosticLoggingClient(std::unique_ptr<API::DiagnosticLoggingClient>);
333     void initializeFindMatchesClient(const WKPageFindMatchesClientBase*);
334     void setFormClient(std::unique_ptr<API::FormClient>);
335     void setNavigationClient(std::unique_ptr<API::NavigationClient>);
336     void setHistoryClient(std::unique_ptr<API::HistoryClient>);
337     void setLoaderClient(std::unique_ptr<API::LoaderClient>);
338     void setPolicyClient(std::unique_ptr<API::PolicyClient>);
339     void setInjectedBundleClient(const WKPageInjectedBundleClientBase*);
340     WebPageInjectedBundleClient* injectedBundleClient() { return m_injectedBundleClient.get(); }
341
342     API::UIClient& uiClient() { return *m_uiClient; }
343     void setUIClient(std::unique_ptr<API::UIClient>);
344 #if PLATFORM(EFL)
345     void initializeUIPopupMenuClient(const WKPageUIPopupMenuClientBase*);
346 #endif
347
348     void initializeWebPage();
349
350     void close();
351     bool tryClose();
352     bool isClosed() const { return m_isClosed; }
353
354     RefPtr<API::Navigation> loadRequest(const WebCore::ResourceRequest&, API::Object* userData = nullptr);
355     RefPtr<API::Navigation> loadFile(const String& fileURL, const String& resourceDirectoryURL, API::Object* userData = nullptr);
356     RefPtr<API::Navigation> loadData(API::Data*, const String& MIMEType, const String& encoding, const String& baseURL, API::Object* userData = nullptr);
357     RefPtr<API::Navigation> loadHTMLString(const String& htmlString, const String& baseURL, API::Object* userData = nullptr);
358     void loadAlternateHTMLString(const String& htmlString, const String& baseURL, const String& unreachableURL, API::Object* userData = nullptr);
359     void loadPlainTextString(const String&, API::Object* userData = nullptr);
360     void loadWebArchiveData(API::Data*, API::Object* userData = nullptr);
361     void navigateToURLWithSimulatedClick(const String& url, WebCore::IntPoint documentPoint, WebCore::IntPoint screenPoint);
362
363     void stopLoading();
364     RefPtr<API::Navigation> reload(bool reloadFromOrigin);
365
366     RefPtr<API::Navigation> goForward();
367     RefPtr<API::Navigation> goBack();
368
369     RefPtr<API::Navigation> goToBackForwardItem(WebBackForwardListItem*);
370     void tryRestoreScrollPosition();
371     void didChangeBackForwardList(WebBackForwardListItem* addedItem, Vector<RefPtr<WebBackForwardListItem>> removed);
372     void willGoToBackForwardListItem(uint64_t itemID, const UserData&);
373
374     bool shouldKeepCurrentBackForwardListItemInList(WebBackForwardListItem*);
375
376     bool willHandleHorizontalScrollEvents() const;
377
378     bool canShowMIMEType(const String& mimeType);
379
380     bool drawsBackground() const { return m_drawsBackground; }
381     void setDrawsBackground(bool);
382
383     bool drawsTransparentBackground() const { return m_drawsTransparentBackground; }
384     void setDrawsTransparentBackground(bool);
385
386     float topContentInset() const { return m_topContentInset; }
387     void setTopContentInset(float);
388
389     WebCore::Color underlayColor() const { return m_underlayColor; }
390     void setUnderlayColor(const WebCore::Color&);
391
392     // At this time, m_pageExtendedBackgroundColor can be set via pageExtendedBackgroundColorDidChange() which is a message
393     // from the UIProcess, or by didCommitLayerTree(). When PLATFORM(MAC) adopts UI side compositing, we should get rid of
394     // the message entirely.
395     WebCore::Color pageExtendedBackgroundColor() const { return m_pageExtendedBackgroundColor; }
396
397     void viewWillStartLiveResize();
398     void viewWillEndLiveResize();
399
400     void setInitialFocus(bool forward, bool isKeyboardEventValid, const WebKeyboardEvent&, std::function<void (CallbackBase::Error)>);
401     void setWindowResizerSize(const WebCore::IntSize&);
402     
403     void clearSelection();
404     void restoreSelectionInFocusedEditableElement();
405
406     void setViewNeedsDisplay(const WebCore::IntRect&);
407     void displayView();
408     bool canScrollView();
409     void scrollView(const WebCore::IntRect& scrollRect, const WebCore::IntSize& scrollOffset); // FIXME: CoordinatedGraphics should use requestScroll().
410     void requestScroll(const WebCore::FloatPoint& scrollPosition, bool isProgrammaticScroll);
411     
412     void setDelegatesScrolling(bool delegatesScrolling) { m_delegatesScrolling = delegatesScrolling; }
413     bool delegatesScrolling() const { return m_delegatesScrolling; }
414
415     enum class ViewStateChangeDispatchMode { Deferrable, Immediate };
416     void viewStateDidChange(WebCore::ViewState::Flags mayHaveChanged, bool wantsSynchronousReply = false, ViewStateChangeDispatchMode = ViewStateChangeDispatchMode::Deferrable);
417     bool isInWindow() const { return m_viewState & WebCore::ViewState::IsInWindow; }
418     void waitForDidUpdateViewState();
419     void didUpdateViewState() { m_waitingForDidUpdateViewState = false; }
420
421     void layerHostingModeDidChange();
422
423     WebCore::IntSize viewSize() const;
424     bool isViewVisible() const { return m_viewState & WebCore::ViewState::IsVisible; }
425     bool isViewWindowActive() const;
426
427     void addMIMETypeWithCustomContentProvider(const String& mimeType);
428
429     void executeEditCommand(const String& commandName);
430     void validateCommand(const String& commandName, std::function<void (const String&, bool, int32_t, CallbackBase::Error)>);
431
432     const EditorState& editorState() const { return m_editorState; }
433     bool canDelete() const { return hasSelectedRange() && isContentEditable(); }
434     bool hasSelectedRange() const { return m_editorState.selectionIsRange; }
435     bool isContentEditable() const { return m_editorState.isContentEditable; }
436     
437     bool maintainsInactiveSelection() const { return m_maintainsInactiveSelection; }
438     void setMaintainsInactiveSelection(bool);
439     void setEditable(bool);
440     bool isEditable() const { return m_isEditable; }
441
442 #if PLATFORM(IOS)
443     void executeEditCommand(const String& commandName, std::function<void (CallbackBase::Error)>);
444     double displayedContentScale() const { return m_lastVisibleContentRectUpdate.scale(); }
445     const WebCore::FloatRect& exposedContentRect() const { return m_lastVisibleContentRectUpdate.exposedRect(); }
446     const WebCore::FloatRect& unobscuredContentRect() const { return m_lastVisibleContentRectUpdate.unobscuredRect(); }
447
448     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);
449     void resendLastVisibleContentRects();
450
451     enum class UnobscuredRectConstraint { ConstrainedToDocumentRect, Unconstrained };
452     WebCore::FloatRect computeCustomFixedPositionRect(const WebCore::FloatRect& unobscuredContentRect, double displayedContentScale, UnobscuredRectConstraint = UnobscuredRectConstraint::Unconstrained) const;
453     void overflowScrollViewWillStartPanGesture();
454     void overflowScrollViewDidScroll();
455     void overflowScrollWillStartScroll();
456     void overflowScrollDidEndScroll();
457
458     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);
459     void synchronizeDynamicViewportUpdate();
460
461     void setViewportConfigurationMinimumLayoutSize(const WebCore::FloatSize&);
462     void setMaximumUnobscuredSize(const WebCore::FloatSize&);
463     void setDeviceOrientation(int32_t);
464     int32_t deviceOrientation() const { return m_deviceOrientation; }
465     void willCommitLayerTree(uint64_t transactionID);
466
467     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)>);
468     void updateSelectionWithTouches(const WebCore::IntPoint, uint32_t touches, bool baseIsStart, std::function<void (const WebCore::IntPoint&, uint32_t, CallbackBase::Error)>);
469     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)>);
470     void updateBlockSelectionWithTouch(const WebCore::IntPoint, uint32_t touch, uint32_t handlePosition);
471     void extendSelection(WebCore::TextGranularity);
472     void selectWordBackward();
473     void moveSelectionByOffset(int32_t offset, std::function<void (CallbackBase::Error)>);
474     void selectTextWithGranularityAtPoint(const WebCore::IntPoint, WebCore::TextGranularity, std::function<void (CallbackBase::Error)>);
475     void selectPositionAtPoint(const WebCore::IntPoint, std::function<void (CallbackBase::Error)>);
476     void selectPositionAtBoundaryWithDirection(const WebCore::IntPoint, WebCore::TextGranularity, WebCore::SelectionDirection, std::function<void (CallbackBase::Error)>);
477     void moveSelectionAtBoundaryWithDirection(WebCore::TextGranularity, WebCore::SelectionDirection, std::function<void(CallbackBase::Error)>);
478     void beginSelectionInDirection(WebCore::SelectionDirection, std::function<void (uint64_t, CallbackBase::Error)>);
479     void updateSelectionWithExtentPoint(const WebCore::IntPoint, std::function<void (uint64_t, CallbackBase::Error)>);
480     void requestAutocorrectionData(const String& textForAutocorrection, std::function<void (const Vector<WebCore::FloatRect>&, const String&, double, uint64_t, CallbackBase::Error)>);
481     void applyAutocorrection(const String& correction, const String& originalText, std::function<void (const String&, CallbackBase::Error)>);
482     bool applyAutocorrection(const String& correction, const String& originalText);
483     void requestAutocorrectionContext(std::function<void (const String&, const String&, const String&, const String&, uint64_t, uint64_t, CallbackBase::Error)>);
484     void getAutocorrectionContext(String& contextBefore, String& markedText, String& selectedText, String& contextAfter, uint64_t& location, uint64_t& length);
485     void requestDictationContext(std::function<void (const String&, const String&, const String&, CallbackBase::Error)>);
486     void replaceDictatedText(const String& oldText, const String& newText);
487     void replaceSelectedText(const String& oldText, const String& newText);
488     void didReceivePositionInformation(const InteractionInformationAtPosition&);
489     void getPositionInformation(const WebCore::IntPoint&, InteractionInformationAtPosition&);
490     void requestPositionInformation(const WebCore::IntPoint&);
491     void startInteractionWithElementAtPosition(const WebCore::IntPoint&);
492     void stopInteraction();
493     void performActionOnElement(uint32_t action);
494     void saveImageToLibrary(const SharedMemory::Handle& imageHandle, uint64_t imageSize);
495     void didUpdateBlockSelectionWithTouch(uint32_t touch, uint32_t flags, float growThreshold, float shrinkThreshold);
496     void focusNextAssistedNode(bool isForward, std::function<void (CallbackBase::Error)>);
497     void setAssistedNodeValue(const String&);
498     void setAssistedNodeValueAsNumber(double);
499     void setAssistedNodeSelectedIndex(uint32_t index, bool allowMultipleSelection = false);
500
501     void applicationWillEnterForeground();
502     void applicationDidEnterBackground();
503     void applicationWillResignActive();
504     void applicationDidBecomeActive();
505
506     void zoomToRect(WebCore::FloatRect, double minimumScale, double maximumScale);
507     void commitPotentialTapFailed();
508     void didNotHandleTapAsClick(const WebCore::IntPoint&);
509     void viewportMetaTagWidthDidChange(float width);
510     void didFinishDrawingPagesToPDF(const IPC::DataReference&);
511     void contentSizeCategoryDidChange(const String& contentSizeCategory);
512     void getLookupContextAtPoint(const WebCore::IntPoint&, std::function<void(const String&, CallbackBase::Error)>);
513 #endif
514
515     void didCommitLayerTree(const WebKit::RemoteLayerTreeTransaction&);
516
517 #if USE(COORDINATED_GRAPHICS_MULTIPROCESS)
518     void didRenderFrame(const WebCore::IntSize& contentsSize, const WebCore::IntRect& coveredRect);
519 #endif
520 #if PLATFORM(EFL)
521     void setThemePath(const String&);
522 #endif
523
524 #if PLATFORM(GTK)
525     void setComposition(const String& text, Vector<WebCore::CompositionUnderline> underlines, uint64_t selectionStart, uint64_t selectionEnd, uint64_t replacementRangeStart, uint64_t replacementRangeEnd);
526     void confirmComposition(const String& compositionString, int64_t selectionStart, int64_t selectionLength);
527     void cancelComposition();
528 #endif
529
530 #if PLATFORM(GTK)
531     void setInputMethodState(bool enabled);
532 #endif
533
534 #if PLATFORM (GTK) && HAVE(GTK_GESTURES)
535     void getCenterForZoomGesture(const WebCore::IntPoint& centerInViewCoordinates, WebCore::IntPoint& center);
536 #endif
537
538 #if PLATFORM(COCOA)
539     void windowAndViewFramesChanged(const WebCore::FloatRect& viewFrameInWindowCoordinates, const WebCore::FloatPoint& accessibilityViewCoordinates);
540     void setMainFrameIsScrollable(bool);
541
542     void sendComplexTextInputToPlugin(uint64_t pluginComplexTextInputIdentifier, const String& textInput);
543     bool shouldDelayWindowOrderingForEvent(const WebMouseEvent&);
544     bool acceptsFirstMouse(int eventNumber, const WebMouseEvent&);
545
546     void setAcceleratedCompositingRootLayer(LayerOrView*);
547     LayerOrView* acceleratedCompositingRootLayer() const;
548
549     void insertTextAsync(const String& text, const EditingRange& replacementRange, bool registerUndoGroup = false);
550     void getMarkedRangeAsync(std::function<void (EditingRange, CallbackBase::Error)>);
551     void getSelectedRangeAsync(std::function<void (EditingRange, CallbackBase::Error)>);
552     void characterIndexForPointAsync(const WebCore::IntPoint&, std::function<void (uint64_t, CallbackBase::Error)>);
553     void firstRectForCharacterRangeAsync(const EditingRange&, std::function<void (const WebCore::IntRect&, const EditingRange&, CallbackBase::Error)>);
554     void setCompositionAsync(const String& text, Vector<WebCore::CompositionUnderline> underlines, const EditingRange& selectionRange, const EditingRange& replacementRange);
555     void confirmCompositionAsync();
556
557     void setScrollPerformanceDataCollectionEnabled(bool);
558     bool scrollPerformanceDataCollectionEnabled() const { return m_scrollPerformanceDataCollectionEnabled; }
559     RemoteLayerTreeScrollingPerformanceData* scrollingPerformanceData() { return m_scrollingPerformanceData.get(); }
560 #endif // PLATFORM(COCOA)
561
562 #if PLATFORM(MAC)
563     void insertDictatedTextAsync(const String& text, const EditingRange& replacementRange, const Vector<WebCore::TextAlternativeWithRange>& dictationAlternatives, bool registerUndoGroup);
564     void attributedSubstringForCharacterRangeAsync(const EditingRange&, std::function<void (const AttributedString&, const EditingRange&, CallbackBase::Error)>);
565     void setFont(const String& fontFamily, double fontSize, uint64_t fontTraits);
566     void fontAtSelection(std::function<void (const String&, double, bool, CallbackBase::Error)>);
567
568 #if !USE(ASYNC_NSTEXTINPUTCLIENT)
569     bool insertText(const String& text, const EditingRange& replacementRange);
570     void setComposition(const String& text, Vector<WebCore::CompositionUnderline> underlines, const EditingRange& selectionRange, const EditingRange& replacementRange);
571     void confirmComposition();
572     bool insertDictatedText(const String& text, const EditingRange& replacementRange, const Vector<WebCore::TextAlternativeWithRange>& dictationAlternatives);
573     void getAttributedSubstringFromRange(const EditingRange&, AttributedString&);
574     void getMarkedRange(EditingRange&);
575     void getSelectedRange(EditingRange&);
576     uint64_t characterIndexForPoint(const WebCore::IntPoint);
577     WebCore::IntRect firstRectForCharacterRange(const EditingRange&);
578     bool executeKeypressCommands(const Vector<WebCore::KeypressCommand>&);
579     void cancelComposition();
580 #endif // !USE(ASYNC_NSTEXTINPUTCLIENT)
581
582     WKView* wkView() const;
583     void intrinsicContentSizeDidChange(const WebCore::IntSize& intrinsicContentSize);
584     CGRect boundsOfLayerInLayerBackedWindowCoordinates(CALayer *) const;
585 #endif // PLATFORM(MAC)
586
587 #if PLATFORM(EFL)
588     void handleInputMethodKeydown(bool& handled);
589     void confirmComposition(const String&);
590     void setComposition(const String&, Vector<WebCore::CompositionUnderline>&, int);
591     void cancelComposition();
592 #endif
593
594 #if PLATFORM(GTK)
595     PlatformWidget viewWidget();
596     const WebCore::Color& backgroundColor() const { return m_backgroundColor; }
597     void setBackgroundColor(const WebCore::Color& color) { m_backgroundColor = color; }
598 #endif
599
600 #if USE(COORDINATED_GRAPHICS_MULTIPROCESS)
601     void commitPageTransitionViewport();
602 #endif
603
604     void handleMouseEvent(const NativeWebMouseEvent&);
605     void handleWheelEvent(const NativeWebWheelEvent&);
606     void handleKeyboardEvent(const NativeWebKeyboardEvent&);
607
608 #if ENABLE(IOS_TOUCH_EVENTS)
609     void handleTouchEventSynchronously(const NativeWebTouchEvent&);
610     void handleTouchEventAsynchronously(const NativeWebTouchEvent&);
611
612 #elif ENABLE(TOUCH_EVENTS)
613     void handleTouchEvent(const NativeWebTouchEvent&);
614 #endif
615
616     void scrollBy(WebCore::ScrollDirection, WebCore::ScrollGranularity);
617     void centerSelectionInVisibleArea();
618
619     const String& toolTip() const { return m_toolTip; }
620
621     const String& userAgent() const { return m_userAgent; }
622     void setApplicationNameForUserAgent(const String&);
623     const String& applicationNameForUserAgent() const { return m_applicationNameForUserAgent; }
624     void setCustomUserAgent(const String&);
625     const String& customUserAgent() const { return m_customUserAgent; }
626     static String standardUserAgent(const String& applicationName = String());
627
628     bool supportsTextEncoding() const;
629     void setCustomTextEncodingName(const String&);
630     String customTextEncodingName() const { return m_customTextEncodingName; }
631
632     bool areActiveDOMObjectsAndAnimationsSuspended() const { return m_isPageSuspended; }
633     void resumeActiveDOMObjectsAndAnimations();
634     void suspendActiveDOMObjectsAndAnimations();
635
636     double estimatedProgress() const;
637
638     void terminateProcess();
639
640     SessionState sessionState(const std::function<bool (WebBackForwardListItem&)>& = nullptr) const;
641     RefPtr<API::Navigation> restoreFromSessionState(SessionState, bool navigate);
642
643     bool supportsTextZoom() const;
644     double textZoomFactor() const { return m_textZoomFactor; }
645     void setTextZoomFactor(double);
646     double pageZoomFactor() const;
647     void setPageZoomFactor(double);
648     void setPageAndTextZoomFactors(double pageZoomFactor, double textZoomFactor);
649
650     void scalePage(double scale, const WebCore::IntPoint& origin);
651     void scalePageInViewCoordinates(double scale, const WebCore::IntPoint& centerInViewCoordinates);
652     double pageScaleFactor() const;
653     double viewScaleFactor() const { return m_viewScaleFactor; }
654     void scaleView(double scale);
655 #if PLATFORM(COCOA)
656     void scaleViewAndUpdateGeometryFenced(double scale, WebCore::IntSize viewSize, std::function<void (const WebCore::MachSendRight&, CallbackBase::Error)>);
657 #endif
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     // WebPopupMenuProxy::Client
926     virtual NativeWebMouseEvent* currentlyProcessedMouseDownEvent() override;
927
928     void setSuppressVisibilityUpdates(bool flag);
929     bool suppressVisibilityUpdates() { return m_suppressVisibilityUpdates; }
930
931 #if PLATFORM(IOS)
932     void willStartUserTriggeredZooming();
933
934     void potentialTapAtPosition(const WebCore::FloatPoint&, uint64_t& requestID);
935     void commitPotentialTap();
936     void cancelPotentialTap();
937     void tapHighlightAtPosition(const WebCore::FloatPoint&, uint64_t& requestID);
938     void handleTap(const WebCore::FloatPoint&);
939
940     void inspectorNodeSearchMovedToPosition(const WebCore::FloatPoint&);
941     void inspectorNodeSearchEndedAtPosition(const WebCore::FloatPoint&);
942
943     void blurAssistedNode();
944 #endif
945
946     void postMessageToInjectedBundle(const String& messageName, API::Object* messageBody);
947
948 #if ENABLE(INPUT_TYPE_COLOR)
949     void setColorPickerColor(const WebCore::Color&);
950     void endColorPicker();
951 #endif
952
953     WebCore::IntSize minimumLayoutSize() const { return m_minimumLayoutSize; }
954     void setMinimumLayoutSize(const WebCore::IntSize&);
955
956     bool autoSizingShouldExpandToViewHeight() const { return m_autoSizingShouldExpandToViewHeight; }
957     void setAutoSizingShouldExpandToViewHeight(bool);
958
959     void didReceiveAuthenticationChallengeProxy(uint64_t frameID, PassRefPtr<AuthenticationChallengeProxy>);
960
961     int64_t spellDocumentTag();
962     void didFinishCheckingText(uint64_t requestID, const Vector<WebCore::TextCheckingResult>&);
963     void didCancelCheckingText(uint64_t requestID);
964
965     void connectionWillOpen(IPC::Connection&);
966     void connectionDidClose(IPC::Connection&);
967
968     void processDidFinishLaunching();
969
970     void didSaveToPageCache();
971         
972     void setScrollPinningBehavior(WebCore::ScrollPinningBehavior);
973     WebCore::ScrollPinningBehavior scrollPinningBehavior() { return m_scrollPinningBehavior; }
974
975     void setOverlayScrollbarStyle(WTF::Optional<WebCore::ScrollbarOverlayStyle>);
976     WTF::Optional<WebCore::ScrollbarOverlayStyle> overlayScrollbarStyle() { return m_scrollbarOverlayStyle; }
977
978     bool shouldRecordNavigationSnapshots() const { return m_shouldRecordNavigationSnapshots; }
979     void setShouldRecordNavigationSnapshots(bool shouldRecordSnapshots) { m_shouldRecordNavigationSnapshots = shouldRecordSnapshots; }
980     void recordNavigationSnapshot();
981     void recordNavigationSnapshot(WebBackForwardListItem&);
982
983 #if PLATFORM(COCOA)
984     PassRefPtr<ViewSnapshot> takeViewSnapshot();
985 #endif
986
987 #if ENABLE(SUBTLE_CRYPTO)
988     void wrapCryptoKey(const Vector<uint8_t>&, bool& succeeded, Vector<uint8_t>&);
989     void unwrapCryptoKey(const Vector<uint8_t>&, bool& succeeded, Vector<uint8_t>&);
990 #endif
991
992     void takeSnapshot(WebCore::IntRect, WebCore::IntSize bitmapSize, SnapshotOptions, std::function<void (const ShareableBitmap::Handle&, CallbackBase::Error)>);
993
994     void navigationGestureDidBegin();
995     void navigationGestureWillEnd(bool willNavigate, WebBackForwardListItem&);
996     void navigationGestureDidEnd(bool willNavigate, WebBackForwardListItem&);
997     void navigationGestureSnapshotWasRemoved();
998     void willRecordNavigationSnapshot(WebBackForwardListItem&);
999
1000     bool isShowingNavigationGestureSnapshot() const { return m_isShowingNavigationGestureSnapshot; }
1001
1002     bool isPlayingAudio() const { return !!(m_mediaState & WebCore::MediaProducer::IsPlayingAudio); }
1003     void isPlayingMediaDidChange(WebCore::MediaProducer::MediaStateFlags);
1004
1005 #if PLATFORM(MAC)
1006     void removeNavigationGestureSnapshot();
1007
1008     WebHitTestResult* lastMouseMoveHitTestResult() const { return m_lastMouseMoveHitTestResult.get(); }
1009     void performActionMenuHitTestAtLocation(WebCore::FloatPoint, bool forImmediateAction);
1010     void selectLastActionMenuRange();
1011     void focusAndSelectLastActionMenuHitTestResult();
1012
1013     void immediateActionDidUpdate();
1014     void immediateActionDidCancel();
1015     void immediateActionDidComplete();
1016
1017     void installViewStateChangeCompletionHandler(void(^completionHandler)());
1018 #endif
1019
1020 #if PLATFORM(EFL) && HAVE(ACCESSIBILITY) && defined(HAVE_ECORE_X)
1021     bool accessibilityObjectReadByPoint(const WebCore::IntPoint&);
1022     bool accessibilityObjectReadPrevious();
1023     bool accessibilityObjectReadNext();
1024 #endif
1025
1026 #if USE(UNIFIED_TEXT_CHECKING)
1027     void checkTextOfParagraph(const String& text, uint64_t checkingTypes, Vector<WebCore::TextCheckingResult>& results);
1028 #endif
1029     void getGuessesForWord(const String& word, const String& context, Vector<String>& guesses);
1030
1031     void setShouldDispatchFakeMouseMoveEvents(bool);
1032
1033     // Diagnostic messages logging.
1034     void logDiagnosticMessage(const String& message, const String& description, bool shouldSample);
1035     void logDiagnosticMessageWithResult(const String& message, const String& description, uint32_t result, bool shouldSample);
1036     void logDiagnosticMessageWithValue(const String& message, const String& description, const String& value, bool shouldSample);
1037
1038 #if ENABLE(WIRELESS_PLAYBACK_TARGET) && !PLATFORM(IOS)
1039     void addPlaybackTargetPickerClient(uint64_t);
1040     void removePlaybackTargetPickerClient(uint64_t);
1041     void showPlaybackTargetPicker(uint64_t, const WebCore::FloatRect&, bool hasVideo);
1042     void playbackTargetPickerClientStateDidChange(uint64_t, WebCore::MediaProducer::MediaStateFlags);
1043
1044     // WebMediaSessionManagerClient
1045     virtual void setPlaybackTarget(uint64_t, Ref<WebCore::MediaPlaybackTarget>&&) override;
1046     virtual void externalOutputDeviceAvailableDidChange(uint64_t, bool) override;
1047     virtual void setShouldPlayToPlaybackTarget(uint64_t, bool) override;
1048 #endif
1049
1050     void didChangeBackgroundColor();
1051     void didLayoutForCustomContentProvider();
1052
1053     void clearWheelEventTestTrigger();
1054
1055 private:
1056     WebPageProxy(PageClient&, WebProcessProxy&, uint64_t pageID, const WebPageConfiguration&);
1057     void platformInitialize();
1058
1059     void updateViewState(WebCore::ViewState::Flags flagsToUpdate = WebCore::ViewState::AllFlags);
1060     void updateActivityToken();
1061     void updateProccessSuppressionState();
1062
1063     enum class ResetStateReason {
1064         PageInvalidated,
1065         WebProcessExited,
1066     };
1067     void resetState(ResetStateReason);
1068     void resetStateAfterProcessExited();
1069
1070     void setUserAgent(const String&);
1071
1072     // IPC::MessageReceiver
1073     // Implemented in generated WebPageProxyMessageReceiver.cpp
1074     virtual void didReceiveMessage(IPC::Connection&, IPC::MessageDecoder&) override;
1075     virtual void didReceiveSyncMessage(IPC::Connection&, IPC::MessageDecoder&, std::unique_ptr<IPC::MessageEncoder>&) override;
1076
1077     // IPC::MessageSender
1078     virtual bool sendMessage(std::unique_ptr<IPC::MessageEncoder>, unsigned messageSendFlags) override;
1079     virtual IPC::Connection* messageSenderConnection() override;
1080     virtual uint64_t messageSenderDestinationID() override;
1081
1082     // WebPopupMenuProxy::Client
1083     virtual void valueChangedForPopupMenu(WebPopupMenuProxy*, int32_t newSelectedIndex) override;
1084     virtual void setTextFromItemForPopupMenu(WebPopupMenuProxy*, int32_t index) override;
1085 #if PLATFORM(GTK)
1086     virtual void failedToShowPopupMenu() override;
1087 #endif
1088
1089     void didCreateMainFrame(uint64_t frameID);
1090     void didCreateSubframe(uint64_t frameID);
1091
1092     void didStartProvisionalLoadForFrame(uint64_t frameID, uint64_t navigationID, const String& url, const String& unreachableURL, const UserData&);
1093     void didReceiveServerRedirectForProvisionalLoadForFrame(uint64_t frameID, uint64_t navigationID, const String&, const UserData&);
1094     void didChangeProvisionalURLForFrame(uint64_t frameID, uint64_t navigationID, const String& url);
1095     void didFailProvisionalLoadForFrame(uint64_t frameID, uint64_t navigationID, const String& provisionalURL, const WebCore::ResourceError&, const UserData&);
1096     void didCommitLoadForFrame(uint64_t frameID, uint64_t navigationID, const String& mimeType, bool frameHasCustomContentProvider, uint32_t frameLoadType, const WebCore::CertificateInfo&, const UserData&);
1097     void didFinishDocumentLoadForFrame(uint64_t frameID, uint64_t navigationID, const UserData&);
1098     void didFinishLoadForFrame(uint64_t frameID, uint64_t navigationID, const UserData&);
1099     void didFailLoadForFrame(uint64_t frameID, uint64_t navigationID, const WebCore::ResourceError&, const UserData&);
1100     void didSameDocumentNavigationForFrame(uint64_t frameID, uint64_t navigationID, uint32_t sameDocumentNavigationType, const String&, const UserData&);
1101     void didReceiveTitleForFrame(uint64_t frameID, const String&, const UserData&);
1102     void didFirstLayoutForFrame(uint64_t frameID, const UserData&);
1103     void didFirstVisuallyNonEmptyLayoutForFrame(uint64_t frameID, const UserData&);
1104     void didLayout(uint32_t layoutMilestones, const UserData&);
1105     void didRemoveFrameFromHierarchy(uint64_t frameID, const UserData&);
1106     void didDisplayInsecureContentForFrame(uint64_t frameID, const UserData&);
1107     void didRunInsecureContentForFrame(uint64_t frameID, const UserData&);
1108     void didDetectXSSForFrame(uint64_t frameID, const UserData&);
1109     void frameDidBecomeFrameSet(uint64_t frameID, bool);
1110     void didStartProgress();
1111     void didChangeProgress(double);
1112     void didFinishProgress();
1113     void setNetworkRequestsInProgress(bool);
1114
1115     void didDestroyNavigation(uint64_t navigationID);
1116
1117     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);
1118     void decidePolicyForNewWindowAction(uint64_t frameID, const NavigationActionData&, const WebCore::ResourceRequest&, const String& frameName, uint64_t listenerID, const UserData&);
1119     void decidePolicyForResponse(uint64_t frameID, const WebCore::ResourceResponse&, const WebCore::ResourceRequest&, bool canShowMIMEType, uint64_t listenerID, const UserData&);
1120     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);
1121     void unableToImplementPolicy(uint64_t frameID, const WebCore::ResourceError&, const UserData&);
1122
1123     void willSubmitForm(uint64_t frameID, uint64_t sourceFrameID, const Vector<std::pair<String, String>>& textFieldValues, uint64_t listenerID, const UserData&);
1124
1125     // History client
1126     void didNavigateWithNavigationData(const WebNavigationDataStore&, uint64_t frameID);
1127     void didPerformClientRedirect(const String& sourceURLString, const String& destinationURLString, uint64_t frameID);
1128     void didPerformServerRedirect(const String& sourceURLString, const String& destinationURLString, uint64_t frameID);
1129     void didUpdateHistoryTitle(const String& title, const String& url, uint64_t frameID);
1130
1131     // UI client
1132     void createNewPage(uint64_t frameID, const WebCore::ResourceRequest&, const WebCore::WindowFeatures&, const NavigationActionData&, uint64_t& newPageID, WebPageCreationParameters&);
1133     void showPage();
1134     void closePage(bool stopResponsivenessTimer);
1135     void runJavaScriptAlert(uint64_t frameID, const String&, RefPtr<Messages::WebPageProxy::RunJavaScriptAlert::DelayedReply>);
1136     void runJavaScriptConfirm(uint64_t frameID, const String&, RefPtr<Messages::WebPageProxy::RunJavaScriptConfirm::DelayedReply>);
1137     void runJavaScriptPrompt(uint64_t frameID, const String&, const String&, RefPtr<Messages::WebPageProxy::RunJavaScriptPrompt::DelayedReply>);
1138     void shouldInterruptJavaScript(bool& result);
1139     void setStatusText(const String&);
1140     void mouseDidMoveOverElement(const WebHitTestResult::Data& hitTestResultData, uint32_t modifiers, const UserData&);
1141
1142     void didBeginTrackingPotentialLongMousePress(const WebCore::IntPoint& mouseDownPosition, const WebHitTestResult::Data& hitTestResultData, const UserData&);
1143     void didRecognizeLongMousePress(const UserData&);
1144     void didCancelTrackingPotentialLongMousePress(const UserData&);
1145
1146 #if ENABLE(NETSCAPE_PLUGIN_API)
1147     void unavailablePluginButtonClicked(uint32_t opaquePluginUnavailabilityReason, const String& mimeType, const String& pluginURLString, const String& pluginsPageURLString, const String& frameURLString, const String& pageURLString);
1148 #endif // ENABLE(NETSCAPE_PLUGIN_API)
1149 #if ENABLE(WEBGL)
1150     void webGLPolicyForURL(const String& url, uint32_t& loadPolicy);
1151     void resolveWebGLPolicyForURL(const String& url, uint32_t& loadPolicy);
1152 #endif // ENABLE(WEBGL)
1153     void setToolbarsAreVisible(bool toolbarsAreVisible);
1154     void getToolbarsAreVisible(bool& toolbarsAreVisible);
1155     void setMenuBarIsVisible(bool menuBarIsVisible);
1156     void getMenuBarIsVisible(bool& menuBarIsVisible);
1157     void setStatusBarIsVisible(bool statusBarIsVisible);
1158     void getStatusBarIsVisible(bool& statusBarIsVisible);
1159     void setIsResizable(bool isResizable);
1160     void getIsResizable(bool& isResizable);
1161     void setWindowFrame(const WebCore::FloatRect&);
1162     void getWindowFrame(WebCore::FloatRect&);
1163     void screenToRootView(const WebCore::IntPoint& screenPoint, WebCore::IntPoint& windowPoint);
1164     void rootViewToScreen(const WebCore::IntRect& viewRect, WebCore::IntRect& result);
1165 #if PLATFORM(IOS)
1166     void accessibilityScreenToRootView(const WebCore::IntPoint& screenPoint, WebCore::IntPoint& windowPoint);
1167     void rootViewToAccessibilityScreen(const WebCore::IntRect& viewRect, WebCore::IntRect& result);
1168 #endif
1169     void runBeforeUnloadConfirmPanel(const String& message, uint64_t frameID, bool& shouldClose);
1170     void didChangeViewportProperties(const WebCore::ViewportAttributes&);
1171     void pageDidScroll();
1172     void runOpenPanel(uint64_t frameID, const WebCore::FileChooserSettings&);
1173     void printFrame(uint64_t frameID);
1174     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>);
1175     void reachedApplicationCacheOriginQuota(const String& originIdentifier, uint64_t currentQuota, uint64_t totalBytesNeeded, PassRefPtr<Messages::WebPageProxy::ReachedApplicationCacheOriginQuota::DelayedReply>);
1176     void requestGeolocationPermissionForFrame(uint64_t geolocationID, uint64_t frameID, String originIdentifier);
1177
1178     void requestUserMediaPermissionForFrame(uint64_t userMediaID, uint64_t frameID, String originIdentifier, bool audio, bool video);
1179
1180     void runModal();
1181     void notifyScrollerThumbIsVisibleInRect(const WebCore::IntRect&);
1182     void recommendedScrollbarStyleDidChange(int32_t newStyle);
1183     void didChangeScrollbarsForMainFrame(bool hasHorizontalScrollbar, bool hasVerticalScrollbar);
1184     void didChangeScrollOffsetPinningForMainFrame(bool pinnedToLeftSide, bool pinnedToRightSide, bool pinnedToTopSide, bool pinnedToBottomSide);
1185     void didChangePageCount(unsigned);
1186     void pageExtendedBackgroundColorDidChange(const WebCore::Color&);
1187 #if ENABLE(NETSCAPE_PLUGIN_API)
1188     void didFailToInitializePlugin(const String& mimeType, const String& frameURLString, const String& pageURLString);
1189     void didBlockInsecurePluginVersion(const String& mimeType, const String& pluginURLString, const String& frameURLString, const String& pageURLString, bool replacementObscured);
1190 #endif // ENABLE(NETSCAPE_PLUGIN_API)
1191     void setCanShortCircuitHorizontalWheelEvents(bool canShortCircuitHorizontalWheelEvents) { m_canShortCircuitHorizontalWheelEvents = canShortCircuitHorizontalWheelEvents; }
1192
1193     void reattachToWebProcess();
1194     RefPtr<API::Navigation> reattachToWebProcessForReload();
1195     RefPtr<API::Navigation> reattachToWebProcessWithItem(WebBackForwardListItem*);
1196
1197     void requestNotificationPermission(uint64_t notificationID, const String& originString);
1198     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);
1199     void cancelNotification(uint64_t notificationID);
1200     void clearNotifications(const Vector<uint64_t>& notificationIDs);
1201     void didDestroyNotification(uint64_t notificationID);
1202
1203 #if USE(COORDINATED_GRAPHICS_MULTIPROCESS)
1204     void pageDidRequestScroll(const WebCore::IntPoint&);
1205     void pageTransitionViewportReady();
1206     void didFindZoomableArea(const WebCore::IntPoint&, const WebCore::IntRect&);
1207 #endif
1208
1209     void didChangeContentSize(const WebCore::IntSize&);
1210
1211 #if ENABLE(INPUT_TYPE_COLOR)
1212     void showColorPicker(const WebCore::Color& initialColor, const WebCore::IntRect&);
1213     virtual void didChooseColor(const WebCore::Color&) override;
1214     virtual void didEndColorPicker() override;
1215 #endif
1216
1217     void editorStateChanged(const EditorState&);
1218     void compositionWasCanceled(const EditorState&);
1219
1220     // Back/Forward list management
1221     void backForwardAddItem(uint64_t itemID);
1222     void backForwardGoToItem(uint64_t itemID, SandboxExtension::Handle&);
1223     void backForwardItemAtIndex(int32_t index, uint64_t& itemID);
1224     void backForwardBackListCount(int32_t& count);
1225     void backForwardForwardListCount(int32_t& count);
1226     void backForwardClear();
1227
1228     // Undo management
1229     void registerEditCommandForUndo(uint64_t commandID, uint32_t editAction);
1230     void registerInsertionUndoGrouping();
1231     void clearAllEditCommands();
1232     void canUndoRedo(uint32_t action, bool& result);
1233     void executeUndoRedo(uint32_t action, bool& result);
1234
1235     // Keyboard handling
1236 #if PLATFORM(COCOA)
1237     void executeSavedCommandBySelector(const String& selector, bool& handled);
1238 #endif
1239
1240 #if PLATFORM(GTK)
1241     void getEditorCommandsForKeyEvent(const AtomicString&, Vector<String>&);
1242     void bindAccessibilityTree(const String&);
1243 #endif
1244 #if PLATFORM(EFL)
1245     void getEditorCommandsForKeyEvent(Vector<String>&);
1246 #endif
1247
1248     // Popup Menu.
1249     void showPopupMenu(const WebCore::IntRect& rect, uint64_t textDirection, const Vector<WebPopupItem>& items, int32_t selectedIndex, const PlatformPopupMenuData&);
1250     void hidePopupMenu();
1251
1252 #if ENABLE(CONTEXT_MENUS)
1253     enum class ContextMenuClientEligibility {
1254         EligibleForClient,
1255         NotEligibleForClient
1256     };
1257     void showContextMenu(const WebCore::IntPoint& menuLocation, const ContextMenuContextData&, const Vector<WebContextMenuItemData>&, const UserData&);
1258     void internalShowContextMenu(const WebCore::IntPoint& menuLocation, const ContextMenuContextData&, const Vector<WebContextMenuItemData>&, ContextMenuClientEligibility, const UserData&);
1259
1260     void platformInitializeShareMenuItem(WebCore::ContextMenuItem&);
1261 #endif
1262
1263 #if ENABLE(TELEPHONE_NUMBER_DETECTION)
1264 #if PLATFORM(MAC)
1265     void showTelephoneNumberMenu(const String& telephoneNumber, const WebCore::IntPoint&);
1266 #endif
1267 #endif
1268
1269 #if ENABLE(SERVICE_CONTROLS)
1270     void showSelectionServiceMenu(const IPC::DataReference& selectionAsRTFD, const Vector<String>& telephoneNumbers, bool isEditable, const WebCore::IntPoint&);
1271 #endif
1272
1273     // Search popup results
1274     void saveRecentSearches(const String&, const Vector<String>&);
1275     void loadRecentSearches(const String&, Vector<String>&);
1276
1277 #if PLATFORM(COCOA)
1278     // Speech.
1279     void getIsSpeaking(bool&);
1280     void speak(const String&);
1281     void stopSpeaking();
1282
1283     // Spotlight.
1284     void searchWithSpotlight(const String&);
1285         
1286     void searchTheWeb(const String&);
1287
1288     // Dictionary.
1289     void didPerformDictionaryLookup(const DictionaryPopupInfo&);
1290 #endif
1291
1292 #if PLATFORM(MAC)
1293     bool appleMailPaginationQuirkEnabled();
1294 #endif
1295
1296     // Spelling and grammar.
1297     void checkSpellingOfString(const String& text, int32_t& misspellingLocation, int32_t& misspellingLength);
1298     void checkGrammarOfString(const String& text, Vector<WebCore::GrammarDetail>&, int32_t& badGrammarLocation, int32_t& badGrammarLength);
1299     void spellingUIIsShowing(bool&);
1300     void updateSpellingUIWithMisspelledWord(const String& misspelledWord);
1301     void updateSpellingUIWithGrammarString(const String& badGrammarPhrase, const WebCore::GrammarDetail&);
1302     void learnWord(const String& word);
1303     void ignoreWord(const String& word);
1304     void requestCheckingOfString(uint64_t requestID, const WebCore::TextCheckingRequestData&);
1305
1306     void setFocus(bool focused);
1307     void takeFocus(uint32_t direction);
1308     void setToolTip(const String&);
1309     void setCursor(const WebCore::Cursor&);
1310     void setCursorHiddenUntilMouseMoves(bool);
1311
1312     void didReceiveEvent(uint32_t opaqueType, bool handled);
1313     void stopResponsivenessTimer();
1314
1315     void voidCallback(uint64_t);
1316     void dataCallback(const IPC::DataReference&, uint64_t);
1317     void imageCallback(const ShareableBitmap::Handle&, uint64_t);
1318     void stringCallback(const String&, uint64_t);
1319     void scriptValueCallback(const IPC::DataReference&, uint64_t);
1320     void computedPagesCallback(const Vector<WebCore::IntRect>&, double totalScaleFactorForPrinting, uint64_t);
1321     void validateCommandCallback(const String&, bool, int, uint64_t);
1322     void unsignedCallback(uint64_t, uint64_t);
1323     void editingRangeCallback(const EditingRange&, uint64_t);
1324 #if PLATFORM(COCOA)
1325     void machSendRightCallback(const WebCore::MachSendRight&, uint64_t);
1326 #endif
1327     void rectForCharacterRangeCallback(const WebCore::IntRect&, const EditingRange&, uint64_t);
1328 #if PLATFORM(MAC)
1329     void attributedStringForCharacterRangeCallback(const AttributedString&, const EditingRange&, uint64_t);
1330     void fontAtSelectionCallback(const String&, double, bool, uint64_t);
1331 #endif
1332 #if PLATFORM(IOS)
1333     void gestureCallback(const WebCore::IntPoint&, uint32_t, uint32_t, uint32_t, uint64_t);
1334     void touchesCallback(const WebCore::IntPoint&, uint32_t, uint64_t);
1335     void autocorrectionDataCallback(const Vector<WebCore::FloatRect>&, const String&, float, uint64_t, uint64_t);
1336     void autocorrectionContextCallback(const String&, const String&, const String&, const String&, uint64_t, uint64_t, uint64_t);
1337     void dictationContextCallback(const String&, const String&, const String&, uint64_t);
1338     void interpretKeyEvent(const EditorState&, bool isCharEvent, bool& handled);
1339     void showPlaybackTargetPicker(bool hasVideo, const WebCore::IntRect& elementRect);
1340 #endif
1341 #if PLATFORM(GTK)
1342     void printFinishedCallback(const WebCore::ResourceError&, uint64_t);
1343 #endif
1344
1345     void focusedFrameChanged(uint64_t frameID);
1346     void frameSetLargestFrameChanged(uint64_t frameID);
1347
1348     void canAuthenticateAgainstProtectionSpaceInFrame(uint64_t frameID, const WebCore::ProtectionSpace&, bool& canAuthenticate);
1349     void didReceiveAuthenticationChallenge(uint64_t frameID, const WebCore::AuthenticationChallenge&, uint64_t challengeID);
1350
1351     void didFinishLoadingDataForCustomContentProvider(const String& suggestedFilename, const IPC::DataReference&);
1352
1353 #if PLATFORM(COCOA)
1354     void pluginFocusOrWindowFocusChanged(uint64_t pluginComplexTextInputIdentifier, bool pluginHasFocusAndWindowHasFocus);
1355     void setPluginComplexTextInputState(uint64_t pluginComplexTextInputIdentifier, uint64_t complexTextInputState);
1356 #endif
1357
1358     bool maybeInitializeSandboxExtensionHandle(const WebCore::URL&, SandboxExtension::Handle&);
1359
1360 #if PLATFORM(MAC)
1361     void substitutionsPanelIsShowing(bool&);
1362     void showCorrectionPanel(int32_t panelType, const WebCore::FloatRect& boundingBoxOfReplacedString, const String& replacedString, const String& replacementString, const Vector<String>& alternativeReplacementStrings);
1363     void dismissCorrectionPanel(int32_t reason);
1364     void dismissCorrectionPanelSoon(int32_t reason, String& result);
1365     void recordAutocorrectionResponse(int32_t responseType, const String& replacedString, const String& replacementString);
1366
1367 #if USE(DICTATION_ALTERNATIVES)
1368     void showDictationAlternativeUI(const WebCore::FloatRect& boundingBoxOfDictatedText, uint64_t dictationContext);
1369     void removeDictationAlternatives(uint64_t dictationContext);
1370     void dictationAlternatives(uint64_t dictationContext, Vector<String>& result);
1371 #endif
1372 #endif // PLATFORM(MAC)
1373
1374 #if PLATFORM(IOS)
1375     WebCore::FloatSize screenSize();
1376     WebCore::FloatSize availableScreenSize();
1377     float textAutosizingWidth();
1378
1379     void dynamicViewportUpdateChangedTarget(double newTargetScale, const WebCore::FloatPoint& newScrollPosition, uint64_t dynamicViewportSizeUpdateID);
1380     void restorePageState(const WebCore::FloatRect&, double scale);
1381     void restorePageCenterAndScale(const WebCore::FloatPoint&, double scale);
1382
1383     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);
1384
1385     void startAssistingNode(const AssistedNodeInformation&, bool userIsInteracting, bool blurPreviousNode, const UserData&);
1386     void stopAssistingNode();
1387
1388     void showInspectorHighlight(const WebCore::Highlight&);
1389     void hideInspectorHighlight();
1390
1391     void showInspectorIndication();
1392     void hideInspectorIndication();
1393
1394     void enableInspectorNodeSearch();
1395     void disableInspectorNodeSearch();
1396
1397     void notifyRevealedSelection();
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 didPerformActionMenuHitTest(const WebHitTestResult::Data&, bool forImmediateAction, 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 #if PLATFORM(COCOA)
1715     HashMap<String, String> m_temporaryPDFFiles;
1716     std::unique_ptr<WebCore::RunLoopObserver> m_viewStateChangeDispatcher;
1717
1718     std::unique_ptr<RemoteLayerTreeScrollingPerformanceData> m_scrollingPerformanceData;
1719     bool m_scrollPerformanceDataCollectionEnabled;
1720 #endif
1721     UserObservablePageToken m_pageIsUserObservableCount;
1722     ProcessSuppressionDisabledToken m_preventProcessSuppressionCount;
1723         
1724     WebCore::ScrollPinningBehavior m_scrollPinningBehavior;
1725     WTF::Optional<WebCore::ScrollbarOverlayStyle> m_scrollbarOverlayStyle;
1726
1727     uint64_t m_navigationID;
1728
1729     WebPreferencesStore::ValueMap m_configurationPreferenceValues;
1730     WebCore::ViewState::Flags m_potentiallyChangedViewStateFlags;
1731     bool m_viewStateChangeWantsSynchronousReply;
1732     Vector<uint64_t> m_nextViewStateChangeCallbacks;
1733
1734     WebCore::MediaProducer::MediaStateFlags m_mediaState { WebCore::MediaProducer::IsNotPlaying };
1735
1736 #if ENABLE(WIRELESS_PLAYBACK_TARGET) && !PLATFORM(IOS)
1737     bool m_requiresTargetMonitoring { false };
1738 #endif
1739
1740 };
1741
1742 } // namespace WebKit
1743
1744 #endif // WebPageProxy_h