1/*
2 * Copyright (C) 2006, 2007, 2008, 2009 Apple 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
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
17 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#include <WebCore/ChromeClient.h>
28#include <WebCore/COMPtr.h>
29#include <WebCore/GraphicsContext.h>
30#include <WebCore/FocusDirection.h>
31#include <WebCore/ScrollTypes.h>
32#include <wtf/Forward.h>
33#include <wtf/PassRefPtr.h>
34
35class WebView;
36class WebDesktopNotificationsDelegate;
37
38interface IWebUIDelegate;
39
40class WebChromeClient : public WebCore::ChromeClient {
41public:
42    WebChromeClient(WebView*);
43
44    virtual void chromeDestroyed();
45
46    virtual void setWindowRect(const WebCore::FloatRect&);
47    virtual WebCore::FloatRect windowRect();
48
49    virtual WebCore::FloatRect pageRect();
50
51    virtual void focus();
52    virtual void unfocus();
53
54    virtual bool canTakeFocus(WebCore::FocusDirection);
55    virtual void takeFocus(WebCore::FocusDirection);
56
57    virtual void focusedNodeChanged(WebCore::Node*);
58    virtual void focusedFrameChanged(WebCore::Frame*);
59
60    virtual WebCore::Page* createWindow(WebCore::Frame*, const WebCore::FrameLoadRequest&, const WebCore::WindowFeatures&, const WebCore::NavigationAction&);
61    virtual void show();
62
63    virtual bool canRunModal();
64    virtual void runModal();
65
66    virtual void setToolbarsVisible(bool);
67    virtual bool toolbarsVisible();
68
69    virtual void setStatusbarVisible(bool);
70    virtual bool statusbarVisible();
71
72    virtual void setScrollbarsVisible(bool);
73    virtual bool scrollbarsVisible();
74
75    virtual void setMenubarVisible(bool);
76    virtual bool menubarVisible();
77
78    virtual void setResizable(bool);
79
80    virtual void addMessageToConsole(WebCore::MessageSource, WebCore::MessageLevel, const WTF::String& message, unsigned lineNumber, unsigned columnNumber, const WTF::String& url);
81
82    virtual bool canRunBeforeUnloadConfirmPanel();
83    virtual bool runBeforeUnloadConfirmPanel(const WTF::String& message, WebCore::Frame* frame);
84
85    virtual void closeWindowSoon();
86
87    virtual void runJavaScriptAlert(WebCore::Frame*, const WTF::String&);
88    virtual bool runJavaScriptConfirm(WebCore::Frame*, const WTF::String&);
89    virtual bool runJavaScriptPrompt(WebCore::Frame*, const WTF::String& message, const WTF::String& defaultValue, WTF::String& result);
90    virtual void setStatusbarText(const WTF::String&);
91    virtual bool shouldInterruptJavaScript();
92
93    virtual WebCore::KeyboardUIMode keyboardUIMode();
94    virtual WebCore::IntRect windowResizerRect() const;
95
96    virtual void invalidateRootView(const WebCore::IntRect&, bool);
97    virtual void invalidateContentsAndRootView(const WebCore::IntRect&, bool);
98    virtual void invalidateContentsForSlowScroll(const WebCore::IntRect&, bool);
99    virtual void scroll(const WebCore::IntSize& scrollDelta, const WebCore::IntRect& rectToScroll, const WebCore::IntRect& clipRect);
100
101    virtual WebCore::IntPoint screenToRootView(const WebCore::IntPoint&) const;
102    virtual WebCore::IntRect rootViewToScreen(const WebCore::IntRect&) const;
103    virtual PlatformPageClient platformPageClient() const;
104    virtual void contentsSizeChanged(WebCore::Frame*, const WebCore::IntSize&) const;
105
106    virtual void scrollbarsModeDidChange() const { }
107    virtual void mouseDidMoveOverElement(const WebCore::HitTestResult&, unsigned modifierFlags);
108    virtual bool shouldUnavailablePluginMessageBeButton(WebCore::RenderEmbeddedObject::PluginUnavailabilityReason) const;
109    virtual void unavailablePluginButtonClicked(WebCore::Element*, WebCore::RenderEmbeddedObject::PluginUnavailabilityReason) const;
110
111    virtual void setToolTip(const WTF::String&, WebCore::TextDirection);
112
113    virtual void print(WebCore::Frame*);
114
115#if ENABLE(SQL_DATABASE)
116    virtual void exceededDatabaseQuota(WebCore::Frame*, const WTF::String&, WebCore::DatabaseDetails);
117#endif
118
119    virtual void reachedMaxAppCacheSize(int64_t spaceNeeded);
120    virtual void reachedApplicationCacheOriginQuota(WebCore::SecurityOrigin*, int64_t totalSpaceNeeded);
121
122    virtual void populateVisitedLinks();
123
124    virtual void runOpenPanel(WebCore::Frame*, PassRefPtr<WebCore::FileChooser>);
125    virtual void loadIconForFiles(const Vector<WTF::String>&, WebCore::FileIconLoader*);
126
127    virtual void setCursor(const WebCore::Cursor&);
128    virtual void setCursorHiddenUntilMouseMoves(bool);
129    virtual void setLastSetCursorToCurrentCursor();
130
131    virtual void formStateDidChange(const WebCore::Node*) { }
132
133#if USE(ACCELERATED_COMPOSITING)
134        // Pass 0 as the GraphicsLayer to detatch the root layer.
135        virtual void attachRootGraphicsLayer(WebCore::Frame*, WebCore::GraphicsLayer*);
136        // Sets a flag to specify that the next time content is drawn to the window,
137        // the changes appear on the screen in synchrony with updates to GraphicsLayers.
138        virtual void setNeedsOneShotDrawingSynchronization() { }
139        // Sets a flag to specify that the view needs to be updated, so we need
140        // to do an eager layout before the drawing.
141        virtual void scheduleCompositingLayerFlush();
142#endif
143
144#if PLATFORM(WIN) && USE(AVFOUNDATION)
145    virtual WebCore::GraphicsDeviceAdapter* graphicsDeviceAdapter() const OVERRIDE;
146#endif
147
148    virtual void scrollRectIntoView(const WebCore::IntRect&) const { }
149
150#if ENABLE(VIDEO)
151    virtual bool supportsFullscreenForNode(const WebCore::Node*);
152    virtual void enterFullscreenForNode(WebCore::Node*);
153    virtual void exitFullscreenForNode(WebCore::Node*);
154#endif
155
156#if ENABLE(NOTIFICATIONS) || ENABLE(LEGACY_NOTIFICATIONS)
157    virtual WebCore::NotificationClient* notificationPresenter() const { return reinterpret_cast<WebCore::NotificationClient*>(m_notificationsDelegate.get()); }
158#endif
159
160    virtual bool selectItemWritingDirectionIsNatural();
161    virtual bool selectItemAlignmentFollowsMenuWritingDirection();
162    virtual bool hasOpenedPopup() const;
163    virtual PassRefPtr<WebCore::PopupMenu> createPopupMenu(WebCore::PopupMenuClient*) const;
164    virtual PassRefPtr<WebCore::SearchPopupMenu> createSearchPopupMenu(WebCore::PopupMenuClient*) const;
165
166#if ENABLE(FULLSCREEN_API)
167    virtual bool supportsFullScreenForElement(const WebCore::Element*, bool withKeyboard);
168    virtual void enterFullScreenForElement(WebCore::Element*);
169    virtual void exitFullScreenForElement(WebCore::Element*);
170#endif
171
172    virtual bool shouldRubberBandInDirection(WebCore::ScrollDirection) const { return true; }
173    virtual void numWheelEventHandlersChanged(unsigned) { }
174
175    WebView* webView() { return m_webView; }
176
177    virtual void AXStartFrameLoad();
178    virtual void AXFinishFrameLoad();
179
180private:
181    COMPtr<IWebUIDelegate> uiDelegate();
182
183    WebView* m_webView;
184
185#if ENABLE(NOTIFICATIONS) || ENABLE(LEGACY_NOTIFICATIONS)
186    OwnPtr<WebDesktopNotificationsDelegate> m_notificationsDelegate;
187#endif
188};
189