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 Apple Inc.  All rights reserved.
 *
 * 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.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``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 COMPUTER, INC. OR
 * 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. 
 */

#include <WebCore/ChromeClient.h>
#include <WebCore/COMPtr.h>
#include <WebCore/GraphicsContext.h>
#include <WebCore/FocusDirection.h>
#include <WebCore/ScrollTypes.h>
#include <wtf/Forward.h>

class WebView;

interface IWebUIDelegate;
interface IWebUIDelegate2;
interface IWebUIDelegate3;
interface IWebUIDelegate4;

class WebChromeClient : public WebCore::ChromeClient {
public:
    WebChromeClient(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 line, const WebCore::String& url);

    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 void setStatusbarText(const WebCore::String&);
    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& p) const;
    virtual WebCore::IntRect windowToScreen(const WebCore::IntRect& r) const;
    virtual PlatformWidget platformWindow() const;
    virtual void contentsSizeChanged(WebCore::Frame*, const WebCore::IntSize&) const;

    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&);

    virtual void populateVisitedLinks();

    virtual bool paintCustomScrollbar(WebCore::GraphicsContext*, const WebCore::FloatRect&, WebCore::ScrollbarControlSize, 
                                        WebCore::ScrollbarControlState, WebCore::ScrollbarPart pressedPart, bool vertical,
                                        float value, float proportion, WebCore::ScrollbarControlPartMask);
    virtual bool paintCustomScrollCorner(WebCore::GraphicsContext*, const WebCore::FloatRect&);

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

    WebView* webView() const { return m_webView; }

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

private:
    COMPtr<IWebUIDelegate> uiDelegate();
    COMPtr<IWebUIDelegate2> uiDelegate2();
    COMPtr<IWebUIDelegate3> uiDelegate3();
    COMPtr<IWebUIDelegate4> uiDelegate4();

    WebView* m_webView;
};