Bug 364521 - Need a bundleIdentifier attribute in nsILocalFileMac. r=mento, sr=pink.

xpcom/io/nsILocalFileMac.idl

@@ -51,7 +51,7 @@
 [ptr] native FSRefPtr(FSRef);
       native CFURLRef(CFURLRef);
 
-[scriptable, uuid(FC93A109-7BF2-4CEF-B283-2E973E5DCF7E)]
+[scriptable, uuid(748f3ffe-27d9-4402-9de9-494badbeebf4)]
 interface nsILocalFileMac : nsILocalFile
 {
    /**
@@ -237,6 +237,13 @@ interface nsILocalFileMac : nsILocalFile
     * readable name of the application)
     */
    readonly attribute AString bundleDisplayName;
+
+   /**
+    * bundleIdentifier
+    *
+    * returns the identifier of the bundle
+    */
+   readonly attribute AUTF8String bundleIdentifier;
 };
 
 %{C++

xpcom/io/nsLocalFileOSX.cpp

@@ -2016,6 +2016,28 @@ nsLocalFile::GetBundleDisplayName(nsAString& outBundleName)
   return NS_OK;
 }
 
+NS_IMETHODIMP
+nsLocalFile::GetBundleIdentifier(nsACString& outBundleIdentifier)
+{
+  nsresult rv = NS_ERROR_FAILURE;
+
+  CFURLRef urlRef;
+  if (NS_SUCCEEDED(GetCFURL(&urlRef))) {
+    CFBundleRef bundle = ::CFBundleCreate(NULL, urlRef);
+    if (bundle) {
+      CFStringRef bundleIdentifier = ::CFBundleGetIdentifier(bundle);
+      if (bundleIdentifier)
+        rv = CFStringReftoUTF8(bundleIdentifier, outBundleIdentifier);
+
+      ::CFRelease(bundle);
+    }
+    ::CFRelease(urlRef);
+  }
+
+  return rv;
+}
+
+
 //*****************************************************************************
 //  nsLocalFile Methods
 //*****************************************************************************