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| -rw-r--r-- | uriloader/exthandler/unix/nsOSHelperAppService.h | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/uriloader/exthandler/unix/nsOSHelperAppService.h b/uriloader/exthandler/unix/nsOSHelperAppService.h new file mode 100644 index 0000000000..25feeac359 --- /dev/null +++ b/uriloader/exthandler/unix/nsOSHelperAppService.h @@ -0,0 +1,122 @@ +/* -*- Mode: C++; tab-width: 3; indent-tabs-mode: nil; c-basic-offset: 2 -*- + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#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" + +class nsIFileInputStream; +class nsILineInputStream; +class nsMIMEInfoBase; + +class nsOSHelperAppService : public nsExternalHelperAppService { + public: + virtual ~nsOSHelperAppService(); + + // method overrides for mime.types and mime.info look up steps + NS_IMETHOD GetMIMEInfoFromOS(const nsACString& aMimeType, + const nsACString& aFileExt, bool* aFound, + nsIMIMEInfo** aMIMEInfo) override; + NS_IMETHOD GetProtocolHandlerInfoFromOS(const nsACString& aScheme, + bool* found, + nsIHandlerInfo** _retval) override; + + // override nsIExternalProtocolService methods + nsresult OSProtocolHandlerExists(const char* aProtocolScheme, + bool* aHandlerExists) override; + NS_IMETHOD GetApplicationDescription(const nsACString& aScheme, + nsAString& _retval) override; + NS_IMETHOD IsCurrentAppOSDefaultForProtocol(const nsACString& aScheme, + bool* _retval) override; + + // 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 char16_t* platformAppPath, + nsIFile** aFile) override; + + protected: + already_AddRefed<nsMIMEInfoBase> GetFromType(const nsCString& aMimeType); + already_AddRefed<nsMIMEInfoBase> GetFromExtension(const nsCString& aFileExt); + + private: + // Helper methods which have to access static members + static nsresult UnescapeCommand(const nsAString& aEscapedCommand, + const nsAString& aMajorType, + const nsAString& aMinorType, + nsACString& aUnEscapedCommand); + static nsresult LookUpTypeAndDescription(const nsAString& aFileExtension, + nsAString& aMajorType, + nsAString& aMinorType, + nsAString& aDescription, + bool aUserData); + static nsresult CreateInputStream(const nsAString& aFilename, + nsIFileInputStream** aFileInputStream, + nsILineInputStream** aLineInputStream, + nsACString& aBuffer, bool* aNetscapeFormat, + bool* aMore); + + static nsresult GetTypeAndDescriptionFromMimetypesFile( + const nsAString& aFilename, const nsAString& aFileExtension, + nsAString& aMajorType, nsAString& aMinorType, nsAString& aDescription); + + static nsresult LookUpExtensionsAndDescription(const nsAString& aMajorType, + const nsAString& aMinorType, + nsAString& aFileExtensions, + nsAString& aDescription); + + static nsresult GetExtensionsAndDescriptionFromMimetypesFile( + const nsAString& aFilename, const nsAString& aMajorType, + const nsAString& aMinorType, nsAString& aFileExtensions, + nsAString& aDescription); + + static nsresult ParseNetscapeMIMETypesEntry( + const nsAString& aEntry, nsAString::const_iterator& aMajorTypeStart, + nsAString::const_iterator& aMajorTypeEnd, + nsAString::const_iterator& aMinorTypeStart, + nsAString::const_iterator& aMinorTypeEnd, nsAString& aExtensions, + nsAString::const_iterator& aDescriptionStart, + nsAString::const_iterator& aDescriptionEnd); + + static nsresult ParseNormalMIMETypesEntry( + const nsAString& aEntry, nsAString::const_iterator& aMajorTypeStart, + nsAString::const_iterator& aMajorTypeEnd, + nsAString::const_iterator& aMinorTypeStart, + nsAString::const_iterator& aMinorTypeEnd, nsAString& aExtensions, + nsAString::const_iterator& aDescriptionStart, + nsAString::const_iterator& aDescriptionEnd); + + static nsresult LookUpHandlerAndDescription(const nsAString& aMajorType, + const nsAString& aMinorType, + nsAString& aHandler, + nsAString& aDescription, + nsAString& aMozillaFlags); + + static nsresult DoLookUpHandlerAndDescription(const nsAString& aMajorType, + const nsAString& aMinorType, + nsAString& aHandler, + nsAString& aDescription, + nsAString& aMozillaFlags, + bool aUserData); + + static nsresult GetHandlerAndDescriptionFromMailcapFile( + const nsAString& aFilename, const nsAString& aMajorType, + const nsAString& aMinorType, nsAString& aHandler, nsAString& aDescription, + nsAString& aMozillaFlags); +}; + +#endif // nsOSHelperAppService_h__ |