129 lines
7.2 KiB
C++
129 lines
7.2 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 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 "nsMIMEInfoImpl.h"
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#include "nsCOMPtr.h"
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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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// method overrides for mime.types and mime.info look up steps
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already_AddRefed<nsIMIMEInfo> GetMIMEInfoFromOS(const nsACString& aMimeType,
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const nsACString& aFileExt,
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bool *aFound);
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NS_IMETHOD GetProtocolHandlerInfoFromOS(const nsACString &aScheme,
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bool *found,
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nsIHandlerInfo **_retval);
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// override nsIExternalProtocolService methods
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nsresult OSProtocolHandlerExists(const char * aProtocolScheme, bool * aHandlerExists);
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NS_IMETHOD GetApplicationDescription(const nsACString& aScheme, nsAString& _retval);
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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 char16_t * platformAppPath, nsIFile ** aFile);
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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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uint32_t mPermissions;
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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,
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bool * aNetscapeFormat,
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bool * 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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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(const nsAString& aFilename,
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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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};
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#endif // nsOSHelperAppService_h__
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