// Copyright (c) 2008, Google Inc.
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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, ChromiumDataObject*,
                                                    ClipboardAccessPolicy);

        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
        HashSet<String> types() 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 bool hasData();

    private:
        ClipboardChromium(bool, ChromiumDataObject*, ClipboardAccessPolicy);

        void resetFromClipboard();
        void setDragImage(CachedImage*, Node*, const IntPoint&);
        RefPtr<ChromiumDataObject> m_dataObject;
        Frame* m_frame;
    };

} // namespace WebCore

#endif // ClipboardChromium_h