webchromeclient.h

linux下开源浏览器WebKit的源码,市面上的很多商用浏览器都是移植自WebKit

/*
 * Copyright (C) 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
 * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1.  Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer. 
 * 2.  Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution. 
 * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
 *     its contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission. 
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#import <WebCore/ChromeClient.h>
#import <WebCore/FocusDirection.h>
#import <wtf/Forward.h>

@class WebView;

class WebChromeClient : public WebCore::ChromeClient {
public:
    WebChromeClient(WebView *webView);
    WebView *webView() { return m_webView; }
    
    virtual void chromeDestroyed();
    
    virtual void setWindowRect(const WebCore::FloatRect&);
    virtual WebCore::FloatRect windowRect();

    virtual WebCore::FloatRect pageRect();

    virtual float scaleFactor();

    virtual void focus();
    virtual void unfocus();
    
    virtual bool canTakeFocus(WebCore::FocusDirection);
    virtual void takeFocus(WebCore::FocusDirection);

    virtual WebCore::Page* createWindow(WebCore::Frame*, const WebCore::FrameLoadRequest&, const WebCore::WindowFeatures&);
    virtual void show();

    virtual bool canRunModal();
    virtual void runModal();

    virtual void setToolbarsVisible(bool);
    virtual bool toolbarsVisible();
    
    virtual void setStatusbarVisible(bool);
    virtual bool statusbarVisible();
    
    virtual void setScrollbarsVisible(bool);
    virtual bool scrollbarsVisible();
    
    virtual void setMenubarVisible(bool);
    virtual bool menubarVisible();
    
    virtual void setResizable(bool);
    
    virtual void addMessageToConsole(const WebCore::String& message, unsigned int lineNumber, const WebCore::String& sourceURL);

    virtual bool canRunBeforeUnloadConfirmPanel();
    virtual bool runBeforeUnloadConfirmPanel(const WebCore::String& message, WebCore::Frame* frame);

    virtual void closeWindowSoon();

    virtual void runJavaScriptAlert(WebCore::Frame*, const WebCore::String&);
    virtual bool runJavaScriptConfirm(WebCore::Frame*, const WebCore::String&);
    virtual bool runJavaScriptPrompt(WebCore::Frame*, const WebCore::String& message, const WebCore::String& defaultValue, WebCore::String& result);
    virtual bool shouldInterruptJavaScript();

    virtual bool tabsToLinks() const;
    
    virtual WebCore::IntRect windowResizerRect() const;

    virtual void repaint(const WebCore::IntRect&, bool contentChanged, bool immediate = false, bool repaintContentOnly = false);
    virtual void scroll(const WebCore::IntSize& scrollDelta, const WebCore::IntRect& rectToScroll, const WebCore::IntRect& clipRect);
    virtual WebCore::IntPoint screenToWindow(const WebCore::IntPoint&) const;
    virtual WebCore::IntRect windowToScreen(const WebCore::IntRect&) const;
    virtual PlatformWidget platformWindow() const;
    virtual void contentsSizeChanged(WebCore::Frame*, const WebCore::IntSize&) const;
    virtual void scrollRectIntoView(const WebCore::IntRect&, const WebCore::ScrollView*) const;
    
    virtual void setStatusbarText(const WebCore::String&);

    virtual void mouseDidMoveOverElement(const WebCore::HitTestResult&, unsigned modifierFlags);

    virtual void setToolTip(const WebCore::String&);

    virtual void print(WebCore::Frame*);

    virtual void exceededDatabaseQuota(WebCore::Frame*, const WebCore::String& databaseName);

    virtual void populateVisitedLinks();

#if ENABLE(DASHBOARD_SUPPORT)
    virtual void dashboardRegionsChanged();
#endif

    virtual void runOpenPanel(WebCore::Frame*, PassRefPtr<WebCore::FileChooser>);

    virtual WebCore::FloatRect customHighlightRect(WebCore::Node*, const WebCore::AtomicString& type,
        const WebCore::FloatRect& lineRect);
    virtual void paintCustomHighlight(WebCore::Node*, const WebCore::AtomicString& type,
        const WebCore::FloatRect& boxRect, const WebCore::FloatRect& lineRect,
        bool behindText, bool entireLine);

    virtual WebCore::KeyboardUIMode keyboardUIMode();

    virtual NSResponder *firstResponder();
    virtual void makeFirstResponder(NSResponder *);

    virtual void willPopUpMenu(NSMenu *);
    
    virtual bool shouldReplaceWithGeneratedFileForUpload(const WebCore::String& path, WebCore::String &generatedFilename);
    virtual WebCore::String generateReplacementFile(const WebCore::String& path);

    virtual void enableSuddenTermination();
    virtual void disableSuddenTermination();
    virtual void formStateDidChange(const WebCore::Node*) { }

#if USE(ACCELERATED_COMPOSITING)
    virtual void attachRootGraphicsLayer(WebCore::Frame*, WebCore::GraphicsLayer*);
    virtual void setNeedsOneShotDrawingSynchronization();
#endif

    virtual bool shouldAllowGeolocationForFrame(WebCore::Frame*);

private:
    WebView *m_webView;
};