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1 /*
2  * Copyright (C) 2010, 2011 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 PageClient_h
27 #define PageClient_h
28 
29 #include "ShareableBitmap.h"
30 #include "WebPageProxy.h"
31 #include "WebPopupMenuProxy.h"
32 #include <wtf/Forward.h>
33 
34 namespace WebCore {
35     class Cursor;
36     struct ViewportArguments;
37 }
38 
39 namespace WebKit {
40 
41 class DrawingAreaProxy;
42 class FindIndicator;
43 class NativeWebKeyboardEvent;
44 class NativeWebKeyboardEvent;
45 class WebContextMenuProxy;
46 class WebEditCommandProxy;
47 class WebPopupMenuProxy;
48 
49 class PageClient {
50 public:
~PageClient()51     virtual ~PageClient() { }
52 
53     // Create a new drawing area proxy for the given page.
54     virtual PassOwnPtr<DrawingAreaProxy> createDrawingAreaProxy() = 0;
55 
56     // Tell the view to invalidate the given rect. The rect is in view coordinates.
57     virtual void setViewNeedsDisplay(const WebCore::IntRect&) = 0;
58 
59     // Tell the view to immediately display its invalid rect.
60     virtual void displayView() = 0;
61 
62     // Tell the view to scroll scrollRect by scrollOffset.
63     virtual void scrollView(const WebCore::IntRect& scrollRect, const WebCore::IntSize& scrollOffset) = 0;
64 
65     // Return the size of the view the page is associated with.
66     virtual WebCore::IntSize viewSize() = 0;
67 
68     // Return whether the view's containing window is active.
69     virtual bool isViewWindowActive() = 0;
70 
71     // Return whether the view is focused.
72     virtual bool isViewFocused() = 0;
73 
74     // Return whether the view is visible.
75     virtual bool isViewVisible() = 0;
76 
77     // Return whether the view is in a window.
78     virtual bool isViewInWindow() = 0;
79 
80     virtual void processDidCrash() = 0;
81     virtual void didRelaunchProcess() = 0;
82     virtual void pageClosed() = 0;
83 
84     virtual void toolTipChanged(const String&, const String&) = 0;
85 
86 #if ENABLE(TILED_BACKING_STORE)
87     virtual void pageDidRequestScroll(const WebCore::IntPoint&) = 0;
88 #endif
89 #if PLATFORM(QT)
90     virtual void didChangeContentsSize(const WebCore::IntSize&) = 0;
91     virtual void didFindZoomableArea(const WebCore::IntRect&) = 0;
92 #endif
93 
94     virtual void setCursor(const WebCore::Cursor&) = 0;
95     virtual void setViewportArguments(const WebCore::ViewportArguments&) = 0;
96 
97     virtual void registerEditCommand(PassRefPtr<WebEditCommandProxy>, WebPageProxy::UndoOrRedo) = 0;
98     virtual void clearAllEditCommands() = 0;
99     virtual bool canUndoRedo(WebPageProxy::UndoOrRedo) = 0;
100     virtual void executeUndoRedo(WebPageProxy::UndoOrRedo) = 0;
101 #if PLATFORM(MAC)
102     virtual void accessibilityWebProcessTokenReceived(const CoreIPC::DataReference&) = 0;
103     virtual bool interpretKeyEvent(const NativeWebKeyboardEvent&, Vector<WebCore::KeypressCommand>&) = 0;
104     virtual bool executeSavedCommandBySelector(const String& selector) = 0;
105     virtual void setDragImage(const WebCore::IntPoint& clientPosition, PassRefPtr<ShareableBitmap> dragImage, bool isLinkDrag) = 0;
106     virtual void updateSecureInputState() = 0;
107 #endif
108 #if PLATFORM(WIN)
109     virtual void compositionSelectionChanged(bool) = 0;
110 #endif
111 #if PLATFORM(GTK)
112     virtual void getEditorCommandsForKeyEvent(const NativeWebKeyboardEvent&, Vector<WTF::String>&) = 0;
113 #endif
114     virtual WebCore::FloatRect convertToDeviceSpace(const WebCore::FloatRect&) = 0;
115     virtual WebCore::FloatRect convertToUserSpace(const WebCore::FloatRect&) = 0;
116     virtual WebCore::IntRect windowToScreen(const WebCore::IntRect&) = 0;
117 
118     virtual void doneWithKeyEvent(const NativeWebKeyboardEvent&, bool wasEventHandled) = 0;
119 
120     virtual PassRefPtr<WebPopupMenuProxy> createPopupMenuProxy(WebPageProxy*) = 0;
121     virtual PassRefPtr<WebContextMenuProxy> createContextMenuProxy(WebPageProxy*) = 0;
122 
123     virtual void setFindIndicator(PassRefPtr<FindIndicator>, bool fadeOut) = 0;
124 
125 #if USE(ACCELERATED_COMPOSITING)
126     virtual void enterAcceleratedCompositingMode(const LayerTreeContext&) = 0;
127     virtual void exitAcceleratedCompositingMode() = 0;
128 #endif
129 
130 #if PLATFORM(WIN)
131     virtual HWND nativeWindow() = 0;
132     virtual void setGestureReachedScrollingLimit(bool) = 0;
133 #endif
134 
135 #if PLATFORM(MAC)
136     virtual void setComplexTextInputEnabled(uint64_t pluginComplexTextInputIdentifier, bool complexTextInputEnabled) = 0;
137     virtual CGContextRef containingWindowGraphicsContext() = 0;
138     virtual void didPerformDictionaryLookup(const String&, double scaleFactor, const DictionaryPopupInfo&) = 0;
139     virtual void dismissDictionaryLookupPanel() = 0;
140     virtual void showCorrectionPanel(WebCore::CorrectionPanelInfo::PanelType, const WebCore::FloatRect& boundingBoxOfReplacedString, const String& replacedString, const String& replacementString, const Vector<String>& alternativeReplacementStrings) = 0;
141     virtual void dismissCorrectionPanel(WebCore::ReasonForDismissingCorrectionPanel) = 0;
142     virtual String dismissCorrectionPanelSoon(WebCore::ReasonForDismissingCorrectionPanel) = 0;
143     virtual void recordAutocorrectionResponse(WebCore::EditorClient::AutocorrectionResponseType, const String& replacedString, const String& replacementString) = 0;
144 #endif
145 
146     virtual void didChangeScrollbarsForMainFrame() const = 0;
147 
148     // Custom representations.
149     virtual void didCommitLoadForMainFrame(bool useCustomRepresentation) = 0;
150     virtual void didFinishLoadingDataForCustomRepresentation(const String& suggestedFilename, const CoreIPC::DataReference&) = 0;
151     virtual double customRepresentationZoomFactor() = 0;
152     virtual void setCustomRepresentationZoomFactor(double) = 0;
153 
154     virtual void flashBackingStoreUpdates(const Vector<WebCore::IntRect>& updateRects) = 0;
155     virtual void findStringInCustomRepresentation(const String&, FindOptions, unsigned maxMatchCount) = 0;
156     virtual void countStringMatchesInCustomRepresentation(const String&, FindOptions, unsigned maxMatchCount) = 0;
157 
158     virtual float userSpaceScaleFactor() const = 0;
159 };
160 
161 } // namespace WebKit
162 
163 #endif // PageClient_h
164