зеркало из https://github.com/mozilla/gecko-dev.git
86 строки
3.8 KiB
C++
86 строки
3.8 KiB
C++
/* -*- Mode: C++; tab-width: 3; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is the Mozilla browser.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications, Inc.
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* Portions created by the Initial Developer are Copyright (C) 1999
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Scott MacGregor <mscott@netscape.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef nsOSHelperAppService_h__
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#define nsOSHelperAppService_h__
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// The OS helper app service is a subclass of nsExternalHelperAppService and is implemented on each
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// platform. It contains platform specific code for finding helper applications for a given mime type
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// in addition to launching those applications.
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#include "nsExternalHelperAppService.h"
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#include "nsCExternalHandlerService.h"
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#include "nsCOMPtr.h"
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#include <windows.h>
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class nsMIMEInfoWin;
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class nsOSHelperAppService : public nsExternalHelperAppService
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{
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public:
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nsOSHelperAppService();
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virtual ~nsOSHelperAppService();
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// override nsIExternalProtocolService methods
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NS_IMETHOD ExternalProtocolHandlerExists(const char * aProtocolScheme, PRBool * aHandlerExists);
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nsresult LoadUriInternal(nsIURI * aURL);
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NS_IMETHOD GetApplicationDescription(const nsACString& aScheme, nsAString& _retval);
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// method overrides for windows registry look up steps....
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already_AddRefed<nsIMIMEInfo> GetMIMEInfoFromOS(const nsACString& aMIMEType, const nsACString& aFileExt, PRBool *aFound);
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/** Get the string value of a registry value and store it in result.
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* @return PR_TRUE on success, PR_FALSE on failure
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*/
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static PRBool GetValueString(HKEY hKey, const PRUnichar* pValueName, nsAString& result);
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protected:
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nsresult GetDefaultAppInfo(const nsAString& aTypeName, nsAString& aDefaultDescription, nsIFile** aDefaultApplication);
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// Lookup a mime info by extension, using an optional type hint
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already_AddRefed<nsMIMEInfoWin> GetByExtension(const nsAFlatString& aFileExt, const char *aTypeHint = nsnull);
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nsresult FindOSMimeInfoForType(const char * aMimeContentType, nsIURI * aURI, char ** aFileExtension, nsIMIMEInfo ** aMIMEInfo);
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/** Whether we're running on an OS that supports the *W registry functions */
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static PRBool sIsNT;
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static nsresult GetMIMEInfoFromRegistry(const nsAFlatString& fileType, nsIMIMEInfo *pInfo);
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/// Looks up the type for the extension aExt and compares it to aType
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static PRBool typeFromExtEquals(const PRUnichar* aExt, const char *aType);
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};
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#endif // nsOSHelperAppService_h__
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