зеркало из https://github.com/mozilla/pjs.git
137 строки
7.3 KiB
C++
137 строки
7.3 KiB
C++
/* -*- Mode: C++; tab-width: 3; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Mozilla Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the 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 Netscape
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* Communications, Inc. Portions created by Netscape are
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* Copyright (C) 1999, Mozilla. 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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#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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class nsHashtable;
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class nsILineInputStream;
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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 nsIExternalHelperAppService methods....
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NS_IMETHOD LaunchAppWithTempFile(nsIMIMEInfo *aMIMEInfo, nsIFile * aTempFile);
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// method overrides for mime.types and mime.info look up steps
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already_AddRefed<nsIMIMEInfo> GetMIMEInfoFromOS(const char *aMimeType,
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const char *aFileExt,
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PRBool *aFound);
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// override nsIExternalProtocolService methods
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NS_IMETHOD ExternalProtocolHandlerExists(const char * aProtocolScheme, PRBool * aHandlerExists);
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NS_IMETHOD LoadUrl(nsIURI * aURL);
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// GetFileTokenForPath must be implemented by each platform.
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// platformAppPath --> a platform specific path to an application that we got out of the
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// rdf data source. This can be a mac file spec, a unix path or a windows path depending on the platform
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// aFile --> an nsIFile representation of that platform application path.
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virtual nsresult GetFileTokenForPath(const PRUnichar * platformAppPath, nsIFile ** aFile);
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protected:
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already_AddRefed<nsIMIMEInfo> GetFromType(const char *aMimeType);
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already_AddRefed<nsIMIMEInfo> GetFromExtension(const char *aFileExt);
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private:
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// Helper methods which have to access static members
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static nsresult UnescapeCommand(const nsAString& aEscapedCommand,
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const nsAString& aMajorType,
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const nsAString& aMinorType,
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nsHashtable& aTypeOptions,
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nsACString& aUnEscapedCommand);
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static nsresult GetFileLocation(const char* aPrefName,
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const char* aEnvVarName,
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PRUnichar** aFileLocation);
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static nsresult LookUpTypeAndDescription(const nsAString& aFileExtension,
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nsAString& aMajorType,
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nsAString& aMinorType,
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nsAString& aDescription);
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static nsresult CreateInputStream(const nsAString& aFilename,
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nsIFileInputStream ** aFileInputStream,
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nsILineInputStream ** aLineInputStream,
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nsAString& aBuffer,
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PRBool * aNetscapeFormat,
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PRBool * aMore);
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static nsresult GetTypeAndDescriptionFromMimetypesFile(const nsAString& aFilename,
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const nsAString& aFileExtension,
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nsAString& aMajorType,
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nsAString& aMinorType,
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nsAString& aDescription);
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static nsresult LookUpExtensionsAndDescription(const nsAString& aMajorType,
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const nsAString& aMinorType,
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nsAString& aFileExtensions,
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nsAString& aDescription);
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static nsresult GetExtensionsAndDescriptionFromMimetypesFile(const nsAString& aFilename,
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const nsAString& aMajorType,
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const nsAString& aMinorType,
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nsAString& aFileExtensions,
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nsAString& aDescription);
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static nsresult ParseNetscapeMIMETypesEntry(const nsAString& aEntry,
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nsAString::const_iterator& aMajorTypeStart,
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nsAString::const_iterator& aMajorTypeEnd,
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nsAString::const_iterator& aMinorTypeStart,
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nsAString::const_iterator& aMinorTypeEnd,
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nsAString& aExtensions,
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nsAString::const_iterator& aDescriptionStart,
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nsAString::const_iterator& aDescriptionEnd);
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static nsresult ParseNormalMIMETypesEntry(const nsAString& aEntry,
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nsAString::const_iterator& aMajorTypeStart,
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nsAString::const_iterator& aMajorTypeEnd,
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nsAString::const_iterator& aMinorTypeStart,
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nsAString::const_iterator& aMinorTypeEnd,
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nsAString& aExtensions,
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nsAString::const_iterator& aDescriptionStart,
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nsAString::const_iterator& aDescriptionEnd);
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static nsresult LookUpHandlerAndDescription(const nsAString& aMajorType,
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const nsAString& aMinorType,
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nsHashtable& aTypeOptions,
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nsAString& aHandler,
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nsAString& aDescription,
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nsAString& aMozillaFlags);
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static nsresult GetHandlerAndDescriptionFromMailcapFile(const nsAString& aFilename,
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const nsAString& aMajorType,
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const nsAString& aMinorType,
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nsHashtable& aTypeOptions,
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nsAString& aHandler,
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nsAString& aDescription,
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nsAString& aMozillaFlags);
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};
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#endif // nsOSHelperAppService_h__
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