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/*
* Copyright (C) 2011, Igalia S.L.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef GtkDragAndDropHelper_h
#define GtkDragAndDropHelper_h
#include "DataObjectGtk.h"
#include <wtf/FastAllocBase.h>
#include <wtf/Noncopyable.h>
#include <wtf/text/CString.h>
namespace WebCore {
struct DroppingContext;
class DragData;
typedef void (*DragExitedCallback)(GtkWidget*, DragData*, bool dropHappened);
class GtkDragAndDropHelper {
WTF_MAKE_NONCOPYABLE(GtkDragAndDropHelper);
WTF_MAKE_FAST_ALLOCATED;
public:
GtkDragAndDropHelper()
: m_widget(0)
{
}
~GtkDragAndDropHelper();
void setWidget(GtkWidget* widget) { m_widget = widget; }
bool handleDragEnd(GdkDragContext*);
void handleGetDragData(GdkDragContext*, GtkSelectionData*, guint info);
void handleDragLeave(GdkDragContext*, DragExitedCallback);
void handleDragLeaveLater(DroppingContext*);
PassOwnPtr<DragData> handleDragMotion(GdkDragContext*, const IntPoint&, unsigned time);
PassOwnPtr<DragData> handleDragDataReceived(GdkDragContext*, GtkSelectionData*, guint info);
PassOwnPtr<DragData> handleDragDrop(GdkDragContext*, const IntPoint&);
void startedDrag(GdkDragContext*, DataObjectGtk*);
private:
GtkWidget* m_widget;
HashMap<GdkDragContext*, DroppingContext*> m_droppingContexts;
HashMap<GdkDragContext*, RefPtr<DataObjectGtk> > m_draggingDataObjects;
};
}
#endif // DataObjectGtk_h
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