/*

 * 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. 

 */

#ifndef ClipboardWin_h

#define ClipboardWin_h

#include "Clipboard.h"

#include "CachedResourceClient.h"

#include "IntPoint.h"

#include "COMPtr.h"

struct IDataObject;

namespace WebCore {

    class CachedImage;

    class IntPoint;

    class WCDataObject;

    // State available during IE's events for drag and drop and copy/paste

    class ClipboardWin : public Clipboard, public CachedResourceClient {

    public:

        ClipboardWin(bool isForDragging, IDataObject* dataObject, ClipboardAccessPolicy policy);

        ClipboardWin(bool isForDragging, WCDataObject* dataObject, ClipboardAccessPolicy policy);

        ~ClipboardWin();

        void clearData(const String& type);

        void clearAllData();

        String getData(const String& type, bool& success) const;

        bool setData(const String& type, const String& data);

        // extensions beyond IE's API

        HashSet<String> types() const;

        void setDragImage(CachedImage*, const IntPoint&);

        void setDragImageElement(Node*, const IntPoint&);

        virtual DragImageRef createDragImage(IntPoint& dragLoc) const;

        virtual void declareAndWriteDragImage(Element*, const KURL&, const String& title, Frame*);

        virtual void writeURL(const KURL&, const String&, Frame*);

        virtual void writeRange(Range*, Frame*);

        virtual bool hasData();

        COMPtr<IDataObject> dataObject() { return m_dataObject; }

    private:

        void resetFromClipboard();

        void setDragImage(CachedImage*, Node*, const IntPoint&);

        COMPtr<IDataObject> m_dataObject;

        COMPtr<WCDataObject> m_writableDataObject;

        Frame* m_frame;

    };

} // namespace WebCore

#endif // ClipboardWin_h