The Tor Browser: widget/windows/nsNativeDragSource.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/. */

     5 #ifndef _nsNativeDragSource_h_

     6 #define _nsNativeDragSource_h_

     8 #include "nscore.h"

     9 #include "nsIDOMDataTransfer.h"

    10 #include "nsCOMPtr.h"

    11 #include <ole2.h>

    12 #include <oleidl.h>

    13 #include "mozilla/Attributes.h"

    15 //class nsIDragSource;

    17 /*

    18  * nsNativeDragSource implements the IDropSource interface and gets

    19  * most of its behavior from the associated adapter (m_dragDrop).

    20  */

    21 class nsNativeDragSource MOZ_FINAL : public IDropSource

    22 {

    23 public:

    25   // construct an nsNativeDragSource referencing adapter

    26   // nsNativeDragSource(nsIDragSource * adapter);

    27   nsNativeDragSource(nsIDOMDataTransfer* aDataTransfer);

    28   ~nsNativeDragSource();

    30   // IUnknown methods - see iunknown.h for documentation

    32   STDMETHODIMP QueryInterface(REFIID, void**);

    33   STDMETHODIMP_(ULONG) AddRef();

    34   STDMETHODIMP_(ULONG) Release();

    36   // IDropSource methods - see idropsrc.h for documentation

    38   // Return DRAGDROP_S_USEDEFAULTCURSORS if this object lets OLE provide

    39   // default cursors, otherwise return NOERROR. This method gets called in

    40   // response to changes that the target makes to dEffect (DragEnter,

    41   // DragOver).

    42   STDMETHODIMP GiveFeedback(DWORD dEffect);

    44   // This method gets called if there is any change in the mouse or key

    45   // state.  Return DRAGDROP_S_CANCEL to stop the drag, DRAGDROP_S_DROP

    46   // to execute the drop, otherwise NOERROR.

    47   STDMETHODIMP QueryContinueDrag(BOOL fESC, DWORD grfKeyState);

    49   bool UserCancelled() { return mUserCancelled; }

    51 protected:

    52   // Reference count

    53   ULONG m_cRef;

    55   // Data object, hold information about cursor state

    56   nsCOMPtr<nsIDOMDataTransfer> mDataTransfer;

    58   // Custom drag cursor

    59   HCURSOR m_hCursor;

    61   // true if the user cancelled the drag by pressing escape

    62   bool mUserCancelled;

    63 };

    65 #endif // _nsNativeDragSource_h_

The Tor Browser / file revision