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Diffstat (limited to 'widget/windows/nsDragService.h')
-rw-r--r-- | widget/windows/nsDragService.h | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/widget/windows/nsDragService.h b/widget/windows/nsDragService.h new file mode 100644 index 000000000..7a2d29709 --- /dev/null +++ b/widget/windows/nsDragService.h @@ -0,0 +1,61 @@ +/* -*- 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__ |