Firefox 2 から OpenApplicationWithURI() というメソッドが追加されている。 /** * Opens an application with a specific URI to load. * @param application * The application file (or bundle directory, on OS X) * @param uri * The uri to be loaded by the application */ void openApplicationWithURI(in nsILocalFile aApplication, in ACString aURI); [mozilla1.8/browser/components/shell/public/nsIShellService.idl] 名前の通り、このメソッドで他