pjs/widget/os2/nsDragService.h

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/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* IBM Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Rich Walsh <dragtext@e-vertise.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef nsDragService_h__
#define nsDragService_h__
#include "nsBaseDragService.h"
#include "nsIDragSessionOS2.h"
#define INCL_PM
#include <os2.h>
// forward declarations
class nsIURI;
class nsIURL;
class nsISupportsString;
class nsDragService : public nsBaseDragService, public nsIDragSessionOS2
{
public:
nsDragService();
virtual ~nsDragService();
NS_DECL_ISUPPORTS_INHERITED
// nsIDragService
NS_IMETHOD InvokeDragSession (nsIDOMNode* aDOMNode,
nsISupportsArray* aTransferables,
nsIScriptableRegion* aRegion,
PRUint32 aActionType);
NS_IMETHOD StartDragSession();
NS_IMETHOD EndDragSession(bool aDoneDrag);
// nsIDragSession
NS_IMETHOD GetNumDropItems(PRUint32* aNumDropItems);
NS_IMETHOD GetData(nsITransferable* aTransferable, PRUint32 aItemIndex);
NS_IMETHOD IsDataFlavorSupported(const char* aDataFlavor, bool* _retval);
// nsIDragSessionOS2
NS_IMETHOD DragOverMsg(PDRAGINFO pdinfo, MRESULT& mr, PRUint32* dragFlags);
NS_IMETHOD GetDragoverResult(MRESULT& mr);
NS_IMETHOD DragLeaveMsg(PDRAGINFO pdinfo, PRUint32* dragFlags);
NS_IMETHOD DropHelpMsg(PDRAGINFO pdinfo, PRUint32* dragFlags);
NS_IMETHOD ExitSession(PRUint32* dragFlags);
NS_IMETHOD DropMsg(PDRAGINFO pdinfo, HWND hwnd, PRUint32* dragFlags);
NS_IMETHOD RenderCompleteMsg(PDRAGTRANSFER pdxfer, USHORT usResult,
PRUint32* dragFlags);
protected:
// nsIDragSessionOS2
NS_IMETHOD NativeDragEnter(PDRAGINFO pdinfo);
NS_IMETHOD NativeDrop(PDRAGINFO pdinfo, HWND hwnd, bool* rendering);
NS_IMETHOD NativeRenderComplete(PDRAGTRANSFER pdxfer, USHORT usResult);
NS_IMETHOD NativeDataToTransferable( PCSZ pszText, PCSZ pszTitle,
bool isUrl);
nsresult SaveAsContents(PCSZ szDest, nsIURL* aURL);
nsresult SaveAsURL(PCSZ szDest, nsIURI* aURI);
nsresult SaveAsText(PCSZ szDest, nsISupportsString* aString);
nsresult GetUrlAndTitle(nsISupports* aGenericData, char** aTargetName);
nsresult GetUniTextTitle(nsISupports* aGenericData, char** aTargetName);
HWND mDragWnd;
const char* mMimeType;
nsCOMPtr<nsISupportsArray> mSourceDataItems;
nsCOMPtr<nsISupports> mSourceData;
friend MRESULT EXPENTRY nsDragWindowProc( HWND, ULONG, MPARAM, MPARAM);
};
#endif // nsDragService_h__