summaryrefslogtreecommitdiffstats
path: root/widget/windows/nsDragService.h
diff options
context:
space:
mode:
Diffstat (limited to 'widget/windows/nsDragService.h')
-rw-r--r--widget/windows/nsDragService.h61
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__