michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef nsDragService_h__
michael@0: #define nsDragService_h__
michael@0: 
michael@0: #include "nsBaseDragService.h"
michael@0: #include <windows.h>
michael@0: #include <shlobj.h>
michael@0: 
michael@0: struct IDropSource;
michael@0: struct IDataObject;
michael@0: class  nsNativeDragTarget;
michael@0: class  nsDataObjCollection;
michael@0: class  nsString;
michael@0: 
michael@0: /**
michael@0:  * Native Win32 DragService wrapper
michael@0:  */
michael@0: 
michael@0: class nsDragService : public nsBaseDragService
michael@0: {
michael@0: public:
michael@0:   nsDragService();
michael@0:   virtual ~nsDragService();
michael@0:   
michael@0:   // nsIDragService
michael@0:   NS_IMETHOD InvokeDragSession(nsIDOMNode *aDOMNode,
michael@0:                                nsISupportsArray *anArrayTransferables,
michael@0:                                nsIScriptableRegion *aRegion,
michael@0:                                uint32_t aActionType);
michael@0: 
michael@0:   // nsIDragSession
michael@0:   NS_IMETHOD GetData(nsITransferable * aTransferable, uint32_t anItem);
michael@0:   NS_IMETHOD GetNumDropItems(uint32_t * aNumItems);
michael@0:   NS_IMETHOD IsDataFlavorSupported(const char *aDataFlavor, bool *_retval);
michael@0:   NS_IMETHOD EndDragSession(bool aDoneDrag);
michael@0: 
michael@0:   // native impl.
michael@0:   NS_IMETHOD SetIDataObject(IDataObject * aDataObj);
michael@0:   NS_IMETHOD StartInvokingDragSession(IDataObject * aDataObj,
michael@0:                                       uint32_t aActionType);
michael@0: 
michael@0:   // A drop occurred within the application vs. outside of it.
michael@0:   void SetDroppedLocal();
michael@0: 
michael@0: protected:
michael@0:   nsDataObjCollection* GetDataObjCollection(IDataObject * aDataObj);
michael@0: 
michael@0:   // determine if we have a single data object or one of our private
michael@0:   // collections
michael@0:   bool IsCollectionObject(IDataObject* inDataObj);
michael@0: 
michael@0:   // Create a bitmap for drag operations
michael@0:   bool CreateDragImage(nsIDOMNode *aDOMNode,
michael@0:                          nsIScriptableRegion *aRegion,
michael@0:                          SHDRAGIMAGE *psdi);
michael@0: 
michael@0:   IDataObject * mDataObject;
michael@0:   bool mSentLocalDropEvent;
michael@0: };
michael@0: 
michael@0: #endif // nsDragService_h__