Initial checkin

widget/src/xpwidgets/nsBaseDragService.h

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+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ *
+ * The contents of this file are subject to the Netscape Public License
+ * Version 1.0 (the "NPL"); you may not use this file except in
+ * compliance with the NPL.  You may obtain a copy of the NPL at
+ * http://www.mozilla.org/NPL/
+ *
+ * Software distributed under the NPL is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
+ * for the specific language governing rights and limitations under the
+ * NPL.
+ *
+ * The Initial Developer of this code under the NPL is Netscape
+ * Communications Corporation.  Portions created by Netscape are
+ * Copyright (C) 1998 Netscape Communications Corporation.  All Rights
+ * Reserved.
+ */
+
+#ifndef nsBaseDragService_h__
+#define nsBaseDragService_h__
+
+#include "nsIDragService.h"
+#include "nsITransferable.h"
+#include "nsSize.h"
+#include "nsCOMPtr.h"
+
+/**
+ * XP DragService wrapper base class
+ */
+
+class nsBaseDragService : public nsIDragService
+{
+
+public:
+  nsBaseDragService();
+  virtual ~nsBaseDragService();
+
+  //nsISupports
+  NS_DECL_ISUPPORTS
+  
+  //nsIDragService
+  NS_IMETHOD SetCanDrop (PRBool aCanDrop); 
+  NS_IMETHOD GetCanDrop (PRBool * aCanDrop); 
+
+  NS_IMETHOD SetTargetSize (nsSize aDragTargetSize); 
+  NS_IMETHOD GetTargetSize (nsSize * aDragTargetSize); 
+
+  NS_IMETHOD StartDragSession (nsITransferable * aTransferable, PRUint32 aActionType);
+  NS_IMETHOD GetData (nsITransferable * aTransferable);
+
+protected:
+
+  nsCOMPtr<nsITransferable> mTransferable;
+  PRBool            mCanDrop;
+  nsSize            mTargetSize;
+
+};
+
+#endif // nsBaseDragService_h__