Source/web/ExternalPopupMenu.h

/*
 * Copyright (C) 2010 Google 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:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * 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.
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 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
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#ifndef ExternalPopupMenu_h
#define ExternalPopupMenu_h

#include "WebExternalPopupMenuClient.h"
#include "platform/PopupMenu.h"
#include "public/platform/WebCanvas.h"
#include "public/platform/WebScrollbar.h"

namespace WebCore {
class FloatQuad;
class Frame;
class FrameView;
class IntRect;
class IntSize;
class PopupMenuClient;
}

namespace blink {

class WebExternalPopupMenu;
class WebViewClient;
struct WebPopupMenuInfo;
class WebInputEvent;

// The ExternalPopupMenu connects the actual implementation of the popup menu
// to the WebCore popup menu.
class ExternalPopupMenu : public WebCore::PopupMenu,
                          public WebExternalPopupMenuClient {
public:
    ExternalPopupMenu(WebCore::Frame&, WebCore::PopupMenuClient*, WebViewClient*);
    virtual ~ExternalPopupMenu();

private:
    // WebCore::PopupMenu methods:
    virtual void show(const WebCore::FloatQuad& controlPosition, const WebCore::IntSize&, int index) OVERRIDE;
    virtual void hide() OVERRIDE;
    virtual void updateFromElement() OVERRIDE;
    virtual void disconnectClient() OVERRIDE;

    // WebExternalPopupClient methods:
    virtual void didChangeSelection(int index);
    virtual void didAcceptIndex(int index);
    virtual void didAcceptIndices(const WebVector<int>& indices);
    virtual void didCancel();

    // Fills |info| with the popup menu information contained in the
    // WebCore::PopupMenuClient associated with this ExternalPopupMenu.
    void getPopupMenuInfo(WebPopupMenuInfo* info);

    WebCore::PopupMenuClient* m_popupMenuClient;
    RefPtr<WebCore::FrameView> m_frameView;
    WebViewClient* m_webViewClient;

    // The actual implementor of the show menu.
    WebExternalPopupMenu* m_webExternalPopupMenu;
};

} // namespace blink

#endif // ExternalPopupMenu_h