widget/cocoa/nsDragService.h

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* This Source Code Form is subject to the terms of the Mozilla Public
   3  * License, v. 2.0. If a copy of the MPL was not distributed with this
   4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   5
   6 #ifndef nsDragService_h_
   7 #define nsDragService_h_
   8
   9 #include "nsBaseDragService.h"
  10
  11 #include <Cocoa/Cocoa.h>
  12
  13 extern NSString* const kWildcardPboardType;
  14 extern NSString* const kCorePboardType_url;
  15 extern NSString* const kCorePboardType_urld;
  16 extern NSString* const kCorePboardType_urln;
  17
  18 class nsDragService : public nsBaseDragService
  19 {
  20 public:
  21   nsDragService();
  22
  23   // nsIDragService
  24   NS_IMETHOD InvokeDragSession(nsIDOMNode *aDOMNode, nsISupportsArray * anArrayTransferables,
  25                                nsIScriptableRegion * aRegion, uint32_t aActionType);
  26   NS_IMETHOD EndDragSession(bool aDoneDrag);
  27
  28   // nsIDragSession
  29   NS_IMETHOD GetData(nsITransferable * aTransferable, uint32_t aItemIndex);
  30   NS_IMETHOD IsDataFlavorSupported(const char *aDataFlavor, bool *_retval);
  31   NS_IMETHOD GetNumDropItems(uint32_t * aNumItems);
  32
  33 protected:
  34   virtual ~nsDragService();
  35
  36 private:
  37
  38   NSImage* ConstructDragImage(nsIDOMNode* aDOMNode,
  39                               nsIntRect* aDragRect,
  40                               nsIScriptableRegion* aRegion);
  41
  42   nsCOMPtr<nsISupportsArray> mDataItems; // only valid for a drag started within gecko
  43   NSView* mNativeDragView;
  44   NSEvent* mNativeDragEvent;
  45 };
  46
  47 #endif // nsDragService_h_