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