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nsOSHelperAppService.h
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00027  * Alternatively, the contents of this file may be used under the terms of
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00040 
00041 #ifndef nsOSHelperAppService_h__
00042 #define nsOSHelperAppService_h__
00043 
00044 // The OS helper app service is a subclass of nsExternalHelperAppService and is implemented on each
00045 // platform. It contains platform specific code for finding helper applications for a given mime type
00046 // in addition to launching those applications. This is the Mac version.
00047 
00048 #include "nsExternalHelperAppService.h"
00049 #include "nsCExternalHandlerService.h"
00050 #include "nsCOMPtr.h"
00051 
00052 class nsOSHelperAppService : public nsExternalHelperAppService
00053 {
00054 public:
00055   nsOSHelperAppService();
00056   virtual ~nsOSHelperAppService();
00057 
00058   // override nsIExternalProtocolService methods
00059   NS_IMETHOD ExternalProtocolHandlerExists(const char * aProtocolScheme, PRBool * aHandlerExists);
00060   NS_IMETHOD GetApplicationDescription(const nsACString& aScheme, nsAString& _retval);
00061   nsresult LoadUriInternal(nsIURI * aURL);
00062   
00063   // method overrides --> used to hook the mime service into internet config....
00064   NS_IMETHOD GetFromTypeAndExtension(const nsACString& aType, const nsACString& aFileExt, nsIMIMEInfo ** aMIMEInfo);
00065   already_AddRefed<nsIMIMEInfo> GetMIMEInfoFromOS(const nsACString& aMIMEType, const nsACString& aFileExt, PRBool * aFound);
00066 
00067   // GetFileTokenForPath must be implemented by each platform. 
00068   // platformAppPath --> a platform specific path to an application that we got out of the 
00069   //                     rdf data source. This can be a mac file spec, a unix path or a windows path depending on the platform
00070   // aFile --> an nsIFile representation of that platform application path.
00071   virtual nsresult GetFileTokenForPath(const PRUnichar * platformAppPath, nsIFile ** aFile);
00072   
00073 protected:
00074   // add any mac specific service state here
00075   void UpdateCreatorInfo(nsIMIMEInfo * aMIMEInfo);
00076 
00077 };
00078 
00079 #endif // nsOSHelperAppService_h__