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1 /*
2  * Copyright (C) 2009 Google Inc. All rights reserved.
3  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions are
7  * met:
8  *
9  *     * Redistributions of source code must retain the above copyright
10  * notice, this list of conditions and the following disclaimer.
11  *     * Redistributions in binary form must reproduce the above
12  * copyright notice, this list of conditions and the following disclaimer
13  * in the documentation and/or other materials provided with the
14  * distribution.
15  *     * Neither the name of Google Inc. nor the names of its
16  * contributors may be used to endorse or promote products derived from
17  * this software without specific prior written permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
21  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
22  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
23  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
24  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
25  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
29  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 #ifndef ChromeClientImpl_h
33 #define ChromeClientImpl_h
34 
35 #include "ChromeClientChromium.h"
36 #include "PopupMenu.h"
37 #include "SearchPopupMenu.h"
38 
39 namespace WebCore {
40 class AccessibilityObject;
41 class Element;
42 class FileChooser;
43 class PopupContainer;
44 class PopupMenuClient;
45 class RenderBox;
46 class SecurityOrigin;
47 struct WindowFeatures;
48 }
49 
50 namespace WebKit {
51 class WebViewImpl;
52 struct WebCursorInfo;
53 struct WebPopupMenuInfo;
54 
55 // Handles window-level notifications from WebCore on behalf of a WebView.
56 class ChromeClientImpl : public WebCore::ChromeClientChromium {
57 public:
58     explicit ChromeClientImpl(WebViewImpl* webView);
59     virtual ~ChromeClientImpl();
60 
61     virtual void* webView() const;
62 
63     // ChromeClient methods:
64     virtual void chromeDestroyed();
65     virtual void setWindowRect(const WebCore::FloatRect&);
66     virtual WebCore::FloatRect windowRect();
67     virtual WebCore::FloatRect pageRect();
68     virtual float scaleFactor();
69     virtual void focus();
70     virtual void unfocus();
71     virtual bool canTakeFocus(WebCore::FocusDirection);
72     virtual void takeFocus(WebCore::FocusDirection);
73     virtual void focusedNodeChanged(WebCore::Node*);
74     virtual void focusedFrameChanged(WebCore::Frame*);
75     virtual WebCore::Page* createWindow(
76         WebCore::Frame*, const WebCore::FrameLoadRequest&, const WebCore::WindowFeatures&, const WebCore::NavigationAction&);
77     virtual void show();
78     virtual bool canRunModal();
79     virtual void runModal();
80     virtual void setToolbarsVisible(bool);
81     virtual bool toolbarsVisible();
82     virtual void setStatusbarVisible(bool);
83     virtual bool statusbarVisible();
84     virtual void setScrollbarsVisible(bool);
85     virtual bool scrollbarsVisible();
86     virtual void setMenubarVisible(bool);
87     virtual bool menubarVisible();
88     virtual void setResizable(bool);
89     virtual void addMessageToConsole(
90         WebCore::MessageSource, WebCore::MessageType, WebCore::MessageLevel,
91         const WTF::String& message, unsigned lineNumber,
92         const WTF::String& sourceID);
93     virtual bool canRunBeforeUnloadConfirmPanel();
94     virtual bool runBeforeUnloadConfirmPanel(
95         const WTF::String& message, WebCore::Frame*);
96     virtual void closeWindowSoon();
97     virtual void runJavaScriptAlert(WebCore::Frame*, const WTF::String&);
98     virtual bool runJavaScriptConfirm(WebCore::Frame*, const WTF::String&);
99     virtual bool runJavaScriptPrompt(
100         WebCore::Frame*, const WTF::String& message,
101         const WTF::String& defaultValue, WTF::String& result);
102     virtual void setStatusbarText(const WTF::String& message);
103     virtual bool shouldInterruptJavaScript();
104     virtual WebCore::KeyboardUIMode keyboardUIMode();
105     virtual WebCore::IntRect windowResizerRect() const;
106 #if ENABLE(REGISTER_PROTOCOL_HANDLER)
107     virtual void registerProtocolHandler(const String& scheme, const String& baseURL, const String& url, const String& title);
108 #endif
109     virtual void invalidateWindow(const WebCore::IntRect&, bool);
110     virtual void invalidateContentsAndWindow(const WebCore::IntRect&, bool);
111     virtual void invalidateContentsForSlowScroll(const WebCore::IntRect&, bool);
112 #if ENABLE(REQUEST_ANIMATION_FRAME)
113     virtual void scheduleAnimation();
114 #endif
115     virtual void scroll(
116         const WebCore::IntSize& scrollDelta, const WebCore::IntRect& rectToScroll,
117         const WebCore::IntRect& clipRect);
118     virtual WebCore::IntPoint screenToWindow(const WebCore::IntPoint&) const;
119     virtual WebCore::IntRect windowToScreen(const WebCore::IntRect&) const;
platformPageClient()120     virtual PlatformPageClient platformPageClient() const { return 0; }
121     virtual void contentsSizeChanged(WebCore::Frame*, const WebCore::IntSize&) const;
scrollRectIntoView(const WebCore::IntRect &,const WebCore::ScrollView *)122     virtual void scrollRectIntoView(
123         const WebCore::IntRect&, const WebCore::ScrollView*) const { }
124     virtual void scrollbarsModeDidChange() const;
125     virtual void mouseDidMoveOverElement(
126         const WebCore::HitTestResult& result, unsigned modifierFlags);
127     virtual void setToolTip(const WTF::String& tooltipText, WebCore::TextDirection);
128     virtual void print(WebCore::Frame*);
129     virtual void exceededDatabaseQuota(
130         WebCore::Frame*, const WTF::String& databaseName);
131 #if ENABLE(OFFLINE_WEB_APPLICATIONS)
132     virtual void reachedMaxAppCacheSize(int64_t spaceNeeded);
133     virtual void reachedApplicationCacheOriginQuota(WebCore::SecurityOrigin*);
134 #endif
135 #if ENABLE(NOTIFICATIONS)
136     virtual WebCore::NotificationPresenter* notificationPresenter() const;
137 #endif
138     virtual void requestGeolocationPermissionForFrame(WebCore::Frame*, WebCore::Geolocation*);
139     virtual void cancelGeolocationPermissionRequestForFrame(WebCore::Frame*, WebCore::Geolocation*);
140     virtual void runOpenPanel(WebCore::Frame*, PassRefPtr<WebCore::FileChooser>);
141     virtual void chooseIconForFiles(const Vector<WTF::String>&, WebCore::FileChooser*);
142 #if ENABLE(DIRECTORY_UPLOAD)
143     virtual void enumerateChosenDirectory(const WTF::String&, WebCore::FileChooser*);
144 #endif
145     virtual void setCursor(const WebCore::Cursor&);
146     virtual void formStateDidChange(const WebCore::Node*);
147 #if ENABLE(TOUCH_EVENTS)
148     // FIXME: All touch events are forwarded regardless of whether or not they are needed.
needTouchEvents(bool needTouchEvents)149     virtual void needTouchEvents(bool needTouchEvents) { }
150 #endif
151 
152 #if USE(ACCELERATED_COMPOSITING)
153     // Pass 0 as the GraphicsLayer to detatch the root layer.
154     virtual void attachRootGraphicsLayer(WebCore::Frame*, WebCore::GraphicsLayer*);
155 
156     // Sets a flag to specify that the next time content is drawn to the window,
157     // the changes appear on the screen in synchrony with updates to GraphicsLayers.
setNeedsOneShotDrawingSynchronization()158     virtual void setNeedsOneShotDrawingSynchronization() { }
159 
160     // Sets a flag to specify that the view needs to be updated, so we need
161     // to do an eager layout before the drawing.
162     virtual void scheduleCompositingLayerSync();
163 
164     virtual CompositingTriggerFlags allowedCompositingTriggers() const;
165 #endif
166 
167     virtual bool supportsFullscreenForNode(const WebCore::Node*);
168     virtual void enterFullscreenForNode(WebCore::Node*);
169     virtual void exitFullscreenForNode(WebCore::Node*);
170 
171 #if ENABLE(FULLSCREEN_API)
172     virtual bool supportsFullScreenForElement(const WebCore::Element*, bool withKeyboard);
173     virtual void enterFullScreenForElement(WebCore::Element*);
174     virtual void exitFullScreenForElement(WebCore::Element*);
175     virtual void fullScreenRendererChanged(WebCore::RenderBox*);
176 #endif
177 
178     // ChromeClientChromium methods:
179     virtual void popupOpened(WebCore::PopupContainer* popupContainer,
180                              const WebCore::IntRect& bounds,
181                              bool handleExternally);
182     virtual void popupClosed(WebCore::PopupContainer* popupContainer);
183     virtual void postAccessibilityNotification(WebCore::AccessibilityObject*, WebCore::AXObjectCache::AXNotification);
184 
185     // ChromeClientImpl:
186     void setCursorForPlugin(const WebCursorInfo&);
187 
188     virtual bool selectItemWritingDirectionIsNatural();
189     virtual bool selectItemAlignmentFollowsMenuWritingDirection();
190     virtual PassRefPtr<WebCore::PopupMenu> createPopupMenu(WebCore::PopupMenuClient*) const;
191     virtual PassRefPtr<WebCore::SearchPopupMenu> createSearchPopupMenu(WebCore::PopupMenuClient*) const;
192 
193 #if ENABLE(CONTEXT_MENUS)
showContextMenu()194     virtual void showContextMenu() { }
195 #endif
196 
197     virtual void willRunModalDialogDuringPageDismissal(const DialogType&) const;
198 
199 private:
200     void getPopupMenuInfo(WebCore::PopupContainer*, WebPopupMenuInfo*);
201     void setCursor(const WebCursorInfo&);
202 
203     WebViewImpl* m_webView;  // weak pointer
204     bool m_toolbarsVisible;
205     bool m_statusbarVisible;
206     bool m_scrollbarsVisible;
207     bool m_menubarVisible;
208     bool m_resizable;
209 };
210 
211 } // namespace WebKit
212 
213 #endif
214