41 class DragClient {
  42 public:
  43     virtual void dragControllerDestroyed() = 0;
  44 
  45     virtual void willPerformDragDestinationAction(DragDestinationAction, const DragData&) = 0;
  46     virtual void willPerformDragSourceAction(DragSourceAction, const IntPoint&, DataTransfer&) = 0;
  47     virtual DragDestinationAction actionMaskForDrag(const DragData&) = 0;
  48     virtual DragSourceAction dragSourceActionMaskForPoint(const IntPoint& rootViewPoint) = 0;
  49 
  50     virtual void startDrag(DragImage, const IntPoint& dragImageOrigin, const IntPoint& eventPos, const FloatPoint& dragImageAnchor, DataTransfer&, Frame&, DragSourceAction) = 0;
  51     virtual void dragEnded() { }
  52 
  53 #if PLATFORM(COCOA)
  54     // Mac-specific helper function to allow access to web archives and NSPasteboard extras in WebKit.
  55     // This is not abstract as that would require another #if PLATFORM(COCOA) for the SVGImage client empty implentation.
  56     virtual void declareAndWriteDragImage(const String&, Element&, const URL&, const String&, Frame*) { }
  57 #if ENABLE(ATTACHMENT_ELEMENT)
  58     virtual void declareAndWriteAttachment(const String&, Element&, const URL&, const String&, Frame*) { }
  59 #endif
  60 #endif



  61 
  62     virtual ~DragClient() { }
  63 };
  64 
  65 } // namespace WebCore

  41 class DragClient {
  42 public:
  43     virtual void dragControllerDestroyed() = 0;
  44 
  45     virtual void willPerformDragDestinationAction(DragDestinationAction, const DragData&) = 0;
  46     virtual void willPerformDragSourceAction(DragSourceAction, const IntPoint&, DataTransfer&) = 0;
  47     virtual DragDestinationAction actionMaskForDrag(const DragData&) = 0;
  48     virtual DragSourceAction dragSourceActionMaskForPoint(const IntPoint& rootViewPoint) = 0;
  49 
  50     virtual void startDrag(DragImage, const IntPoint& dragImageOrigin, const IntPoint& eventPos, const FloatPoint& dragImageAnchor, DataTransfer&, Frame&, DragSourceAction) = 0;
  51     virtual void dragEnded() { }
  52 
  53 #if PLATFORM(COCOA)
  54     // Mac-specific helper function to allow access to web archives and NSPasteboard extras in WebKit.
  55     // This is not abstract as that would require another #if PLATFORM(COCOA) for the SVGImage client empty implentation.
  56     virtual void declareAndWriteDragImage(const String&, Element&, const URL&, const String&, Frame*) { }
  57 #if ENABLE(ATTACHMENT_ELEMENT)
  58     virtual void declareAndWriteAttachment(const String&, Element&, const URL&, const String&, Frame*) { }
  59 #endif
  60 #endif
  61 #if PLATFORM(JAVA)
  62     virtual void updateFileExtension(const URL&) { }
  63 #endif
  64 
  65     virtual ~DragClient() { }
  66 };
  67 
  68 } // namespace WebCore