Bug #38374 --> more updates for external helper application support. (NOT PART OF THE BUILD)

code review will come when this is done and gets turned on.

More mac file updates.

uriloader/exthandler/mac/nsOSHelperAppService.cpp

@@ -177,3 +177,41 @@ NS_IMETHODIMP nsOSHelperAppService::LoadUrl(nsIURI * aURL)
   
   return rv;
 }
+
+nsresult nsOSHelperAppService::GetFileTokenForPath(const PRUnichar * platformAppPath, nsIFile ** aFile)
+{
+  // FIX ME....the incoming path is a mac specific path...create an nsIFile that represents this mac file spec and
+  // return it.
+
+  return NS_ERROR_FAILURE;
+}
+
+nsresult nsOSHelperAppService::CreateStreamListenerWithApp(nsIFile * aApplicationToUse, const char * aFileExtension, nsIStreamListener ** aStreamListener)
+{
+  nsresult rv = NS_OK;
+  // FIX ME.....create an nsExternalApplication instance given aApplicationToUse as the application the user
+  // has told us he wants to use for this content type.
+  // return that external application 
+  
+  // create an application that represents this app name...
+
+  // here's the windows code to be used as an example
+#if 0
+  nsExternalApplication * application = nsnull;
+  NS_NEWXPCOM(application, nsExternalApplication);
+  NS_IF_ADDREF(application);
+
+  if (application)
+  {
+    application->SetLocalFile(aApplicationToUse);
+    nsCOMPtr<nsISupports> appSupports = do_QueryInterface(application);    
+    // this code is incomplete and just here to get things started..
+    nsExternalAppHandler * handler = CreateNewExternalHandler(appSupports, aFileExtension);
+    handler->QueryInterface(NS_GET_IID(nsIStreamListener), (void **) aStreamListener);
+  }
+
+  NS_IF_RELEASE(application);
+#endif
+  
+  return rv;
+}

uriloader/exthandler/mac/nsOSHelperAppService.h

@@ -46,6 +46,19 @@ public:
   NS_IMETHOD ExternalProtocolHandlerExists(const char * aProtocolScheme, PRBool * aHandlerExists);
   NS_IMETHOD LoadUrl(nsIURI * aURL);
 
+  // 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 PRUnichar * platformAppPath, nsIFile ** aFile);
+  
+  // CreateStreamListenerWithApp --> must be implemented by each platform.
+  // aApplicationToUse --> the application the user wishes to launch with the incoming data
+  // aFileExtensionForData --> the extension we are going to use for the temp file in the external app handler
+  // aStreamListener --> the stream listener (really a external app handler) we're going to use for retrieving the data
+  virtual nsresult CreateStreamListenerWithApp(nsIFile * aApplicationToUse, const char * aFileExtensionForData, nsIStreamListener ** aStreamListener);
+
+
 
 protected:
   // add any mac specific service state here