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