зеркало из https://github.com/mozilla/gecko-dev.git
123 строки
6.0 KiB
C++
123 строки
6.0 KiB
C++
/* -*- Mode: C++; tab-width: 3; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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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
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// implemented on each platform. It contains platform specific code for finding
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// helper applications for a given mime type in addition to launching those
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// 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 nsILineInputStream;
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class nsMIMEInfoBase;
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class nsOSHelperAppService : public nsExternalHelperAppService {
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public:
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virtual ~nsOSHelperAppService();
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// method overrides for mime.types and mime.info look up steps
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NS_IMETHOD GetMIMEInfoFromOS(const nsACString& aMimeType,
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const nsACString& aFileExt, bool* aFound,
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nsIMIMEInfo** aMIMEInfo) override;
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NS_IMETHOD GetProtocolHandlerInfoFromOS(const nsACString& aScheme,
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bool* found,
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nsIHandlerInfo** _retval) override;
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// override nsIExternalProtocolService methods
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nsresult OSProtocolHandlerExists(const char* aProtocolScheme,
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bool* aHandlerExists) override;
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NS_IMETHOD GetApplicationDescription(const nsACString& aScheme,
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nsAString& _retval) override;
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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
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// out of the rdf data source. This can be a mac file
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// spec, a unix path or a windows path depending on the
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// platform
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// aFile --> an nsIFile representation of that platform application path.
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virtual nsresult GetFileTokenForPath(const char16_t* platformAppPath,
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nsIFile** aFile) override;
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protected:
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already_AddRefed<nsMIMEInfoBase> GetFromType(const nsCString& aMimeType);
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already_AddRefed<nsMIMEInfoBase> GetFromExtension(const nsCString& 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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nsACString& aUnEscapedCommand);
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static nsresult GetFileLocation(const char* aPrefName,
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const char* aEnvVarName,
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nsAString& 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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bool aUserData);
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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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nsACString& aBuffer, bool* aNetscapeFormat,
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bool* aMore);
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static nsresult GetTypeAndDescriptionFromMimetypesFile(
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const nsAString& aFilename, const nsAString& aFileExtension,
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nsAString& aMajorType, nsAString& aMinorType, 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(
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const nsAString& aFilename, const nsAString& aMajorType,
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const nsAString& aMinorType, nsAString& aFileExtensions,
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nsAString& aDescription);
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static nsresult ParseNetscapeMIMETypesEntry(
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const nsAString& aEntry, 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, 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(
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const nsAString& aEntry, 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, 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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nsAString& aHandler,
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nsAString& aDescription,
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nsAString& aMozillaFlags);
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static nsresult DoLookUpHandlerAndDescription(const nsAString& aMajorType,
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const nsAString& aMinorType,
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nsAString& aHandler,
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nsAString& aDescription,
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nsAString& aMozillaFlags,
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bool aUserData);
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static nsresult GetHandlerAndDescriptionFromMailcapFile(
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const nsAString& aFilename, const nsAString& aMajorType,
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const nsAString& aMinorType, nsAString& aHandler, nsAString& aDescription,
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nsAString& aMozillaFlags);
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};
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#endif // nsOSHelperAppService_h__
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