// Copyright (c) 2008, 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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// this software without specific prior written permission.

// 

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#ifndef ClipboardChromium_h

#define ClipboardChromium_h

#include "Clipboard.h"

#include "CachedResourceClient.h"

namespace WebCore {

    class CachedImage;

    class ChromiumDataObject;

    class IntPoint;

    class ClipboardChromium : public Clipboard, public CachedResourceClient {

    public:

        ~ClipboardChromium() {}

        static PassRefPtr<ClipboardChromium> create(

            bool isForDragging, PassRefPtr<ChromiumDataObject>, ClipboardAccessPolicy);

        // Returns the file name (not including the extension). This removes any

        // invalid file system characters as well as making sure the

        // path + extension is not bigger than allowed by the file system.

        // This may change the file extension in dataObject.

        static String validateFileName(const String& title, ChromiumDataObject* dataObject);

        virtual 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

        virtual HashSet<String> types() const;

        virtual PassRefPtr<FileList> files() const;

        void setDragImage(CachedImage*, const IntPoint&);

        void setDragImageElement(Node*, const IntPoint&);

        PassRefPtr<ChromiumDataObject> dataObject()

        {

            return m_dataObject;

        }

        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 void writePlainText(const String&);

        virtual bool hasData();

    private:

        ClipboardChromium(bool, PassRefPtr<ChromiumDataObject>, ClipboardAccessPolicy);

        void resetFromClipboard();

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

        RefPtr<ChromiumDataObject> m_dataObject;

    };

} // namespace WebCore

#endif // ClipboardChromium_h