pjs/uriloader/exthandler/win/nsOSHelperAppService.h

71 строка
3.0 KiB
C++

/* -*- Mode: C++; tab-width: 3; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* 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 the Mozilla browser.
*
* The Initial Developer of the Original Code is Netscape
* Communications, Inc. Portions created by Netscape are
* Copyright (C) 1999, Mozilla. All Rights Reserved.
*
* Contributor(s):
* Scott MacGregor <mscott@netscape.com>
*/
#ifndef nsOSHelperAppService_h__
#define nsOSHelperAppService_h__
// The OS helper app service is a subclass of nsExternalHelperAppService and is implemented on each
// platform. It contains platform specific code for finding helper applications for a given mime type
// in addition to launching those applications.
#include "nsExternalHelperAppService.h"
#include "nsCExternalHandlerService.h"
#include "nsCOMPtr.h"
#include <windows.h>
class nsMIMEInfoWin;
class nsOSHelperAppService : public nsExternalHelperAppService
{
public:
nsOSHelperAppService();
virtual ~nsOSHelperAppService();
// override nsIExternalProtocolService methods
NS_IMETHOD ExternalProtocolHandlerExists(const char * aProtocolScheme, PRBool * aHandlerExists);
NS_IMETHOD LoadUrl(nsIURI * aURL);
// method overrides for windows registry look up steps....
already_AddRefed<nsIMIMEInfo> GetMIMEInfoFromOS(const char *aMIMEType, const char *aFileExt, PRBool *aFound);
// GetFileTokenForPath must be implemented by each platform.
// platformAppPath --> a platform specific path to an application that we got out of the
// rdf data source. This can be a mac file spec, a unix path or a windows path depending on the platform
// aFile --> an nsIFile representation of that platform application path.
virtual nsresult GetFileTokenForPath(const PRUnichar * platformAppPath, nsIFile ** aFile);
protected:
// Lookup a mime info by extension, using an optional type hint
already_AddRefed<nsMIMEInfoWin> GetByExtension(const char *aFileExt, const char *aTypeHint = nsnull);
nsresult FindOSMimeInfoForType(const char * aMimeContentType, nsIURI * aURI, char ** aFileExtension, nsIMIMEInfo ** aMIMEInfo);
/** Whether we're running on an OS that supports the *W registry functions */
static PRBool mIsNT;
/** Get the string value of a registry value and store it in result.
* @return PR_TRUE on success, PR_FALSE on failure
*/
static PRBool GetValueString(HKEY hKey, PRUnichar* pValueName, nsAString& result);
static nsresult GetMIMEInfoFromRegistry(const nsAFlatString& fileType, nsIMIMEInfo *pInfo);
};
#endif // nsOSHelperAppService_h__