The Tor Browser: widget/windows/nsDragService.h@b8a032363ba2

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     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/. */

     6 #ifndef nsDragService_h__

     7 #define nsDragService_h__

     9 #include "nsBaseDragService.h"

    10 #include <windows.h>

    11 #include <shlobj.h>

    13 struct IDropSource;

    14 struct IDataObject;

    15 class  nsNativeDragTarget;

    16 class  nsDataObjCollection;

    17 class  nsString;

    19 /**

    20  * Native Win32 DragService wrapper

    21  */

    23 class nsDragService : public nsBaseDragService

    24 {

    25 public:

    26   nsDragService();

    27   virtual ~nsDragService();

    29   // nsIDragService

    30   NS_IMETHOD InvokeDragSession(nsIDOMNode *aDOMNode,

    31                                nsISupportsArray *anArrayTransferables,

    32                                nsIScriptableRegion *aRegion,

    33                                uint32_t aActionType);

    35   // nsIDragSession

    36   NS_IMETHOD GetData(nsITransferable * aTransferable, uint32_t anItem);

    37   NS_IMETHOD GetNumDropItems(uint32_t * aNumItems);

    38   NS_IMETHOD IsDataFlavorSupported(const char *aDataFlavor, bool *_retval);

    39   NS_IMETHOD EndDragSession(bool aDoneDrag);

    41   // native impl.

    42   NS_IMETHOD SetIDataObject(IDataObject * aDataObj);

    43   NS_IMETHOD StartInvokingDragSession(IDataObject * aDataObj,

    44                                       uint32_t aActionType);

    46   // A drop occurred within the application vs. outside of it.

    47   void SetDroppedLocal();

    49 protected:

    50   nsDataObjCollection* GetDataObjCollection(IDataObject * aDataObj);

    52   // determine if we have a single data object or one of our private

    53   // collections

    54   bool IsCollectionObject(IDataObject* inDataObj);

    56   // Create a bitmap for drag operations

    57   bool CreateDragImage(nsIDOMNode *aDOMNode,

    58                          nsIScriptableRegion *aRegion,

    59                          SHDRAGIMAGE *psdi);

    61   IDataObject * mDataObject;

    62   bool mSentLocalDropEvent;

    63 };

    65 #endif // nsDragService_h__

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