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comparison: widget/windows/nsNativeDragSource.h
widget/windows/nsNativeDragSource.h
- branch
- TOR_BUG_9701
- changeset 10
- ac0c01689b40
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| -1:000000000000 | 0:0b6e13cdc301 |
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| 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_ | |
| 7 | |
| 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" | |
| 14 | |
| 15 //class nsIDragSource; | |
| 16 | |
| 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: | |
| 24 | |
| 25 // construct an nsNativeDragSource referencing adapter | |
| 26 // nsNativeDragSource(nsIDragSource * adapter); | |
| 27 nsNativeDragSource(nsIDOMDataTransfer* aDataTransfer); | |
| 28 ~nsNativeDragSource(); | |
| 29 | |
| 30 // IUnknown methods - see iunknown.h for documentation | |
| 31 | |
| 32 STDMETHODIMP QueryInterface(REFIID, void**); | |
| 33 STDMETHODIMP_(ULONG) AddRef(); | |
| 34 STDMETHODIMP_(ULONG) Release(); | |
| 35 | |
| 36 // IDropSource methods - see idropsrc.h for documentation | |
| 37 | |
| 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); | |
| 43 | |
| 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); | |
| 48 | |
| 49 bool UserCancelled() { return mUserCancelled; } | |
| 50 | |
| 51 protected: | |
| 52 // Reference count | |
| 53 ULONG m_cRef; | |
| 54 | |
| 55 // Data object, hold information about cursor state | |
| 56 nsCOMPtr<nsIDOMDataTransfer> mDataTransfer; | |
| 57 | |
| 58 // Custom drag cursor | |
| 59 HCURSOR m_hCursor; | |
| 60 | |
| 61 // true if the user cancelled the drag by pressing escape | |
| 62 bool mUserCancelled; | |
| 63 }; | |
| 64 | |
| 65 #endif // _nsNativeDragSource_h_ | |
| 66 |
