diff -r 000000000000 -r 6474c204b198 xpcom/io/CocoaFileUtils.mm
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/xpcom/io/CocoaFileUtils.mm	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,139 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+// vim:set ts=2 sts=2 sw=2 et cin:
+/* 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/. */
+
+#include "CocoaFileUtils.h"
+#include "nsCocoaUtils.h"
+#include <Cocoa/Cocoa.h>
+#include "nsObjCExceptions.h"
+#include "nsDebug.h"
+
+namespace CocoaFileUtils {
+
+nsresult RevealFileInFinder(CFURLRef url)
+{
+  NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
+
+  if (NS_WARN_IF(!url))
+    return NS_ERROR_INVALID_ARG;
+
+  NSAutoreleasePool* ap = [[NSAutoreleasePool alloc] init];
+  BOOL success = [[NSWorkspace sharedWorkspace] selectFile:[(NSURL*)url path] inFileViewerRootedAtPath:@""];
+  [ap release];
+
+  return (success ? NS_OK : NS_ERROR_FAILURE);
+
+  NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
+}
+
+nsresult OpenURL(CFURLRef url)
+{
+  NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
+
+  if (NS_WARN_IF(!url))
+    return NS_ERROR_INVALID_ARG;
+
+  NSAutoreleasePool* ap = [[NSAutoreleasePool alloc] init];
+  BOOL success = [[NSWorkspace sharedWorkspace] openURL:(NSURL*)url];
+  [ap release];
+
+  return (success ? NS_OK : NS_ERROR_FAILURE);
+
+  NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
+}
+
+nsresult GetFileCreatorCode(CFURLRef url, OSType *creatorCode)
+{
+  NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
+
+  if (NS_WARN_IF(!url) || NS_WARN_IF(!creatorCode))
+    return NS_ERROR_INVALID_ARG;
+
+  nsAutoreleasePool localPool;
+
+  NSString *resolvedPath = [[(NSURL*)url path] stringByResolvingSymlinksInPath];
+  if (!resolvedPath) {
+    return NS_ERROR_FAILURE;
+  }
+
+  NSDictionary* dict = [[NSFileManager defaultManager] attributesOfItemAtPath:resolvedPath error:nil];
+  if (!dict) {
+    return NS_ERROR_FAILURE;
+  }
+
+  NSNumber* creatorNum = (NSNumber*)[dict objectForKey:NSFileHFSCreatorCode];
+  if (!creatorNum) {
+    return NS_ERROR_FAILURE;
+  }
+
+  *creatorCode = [creatorNum unsignedLongValue];
+  return NS_OK;
+
+  NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
+}
+
+nsresult SetFileCreatorCode(CFURLRef url, OSType creatorCode)
+{
+  NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
+
+  if (NS_WARN_IF(!url))
+    return NS_ERROR_INVALID_ARG;
+
+  NSAutoreleasePool* ap = [[NSAutoreleasePool alloc] init];
+  NSDictionary* dict = [NSDictionary dictionaryWithObject:[NSNumber numberWithUnsignedLong:creatorCode] forKey:NSFileHFSCreatorCode];
+  BOOL success = [[NSFileManager defaultManager] setAttributes:dict ofItemAtPath:[(NSURL*)url path] error:nil];
+  [ap release];
+  return (success ? NS_OK : NS_ERROR_FAILURE);
+
+  NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
+}
+
+nsresult GetFileTypeCode(CFURLRef url, OSType *typeCode)
+{
+  NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
+
+  if (NS_WARN_IF(!url) || NS_WARN_IF(!typeCode))
+    return NS_ERROR_INVALID_ARG;
+
+  nsAutoreleasePool localPool;
+
+  NSString *resolvedPath = [[(NSURL*)url path] stringByResolvingSymlinksInPath];
+  if (!resolvedPath) {
+    return NS_ERROR_FAILURE;
+  }
+
+  NSDictionary* dict = [[NSFileManager defaultManager] attributesOfItemAtPath:resolvedPath error:nil];
+  if (!dict) {
+    return NS_ERROR_FAILURE;
+  }
+
+  NSNumber* typeNum = (NSNumber*)[dict objectForKey:NSFileHFSTypeCode];
+  if (!typeNum) {
+    return NS_ERROR_FAILURE;
+  }
+
+  *typeCode = [typeNum unsignedLongValue];
+  return NS_OK;
+
+  NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
+}
+
+nsresult SetFileTypeCode(CFURLRef url, OSType typeCode)
+{
+  NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
+
+  if (NS_WARN_IF(!url))
+    return NS_ERROR_INVALID_ARG;
+
+  NSAutoreleasePool* ap = [[NSAutoreleasePool alloc] init];
+  NSDictionary* dict = [NSDictionary dictionaryWithObject:[NSNumber numberWithUnsignedLong:typeCode] forKey:NSFileHFSTypeCode];
+  BOOL success = [[NSFileManager defaultManager] setAttributes:dict ofItemAtPath:[(NSURL*)url path] error:nil];
+  [ap release];
+  return (success ? NS_OK : NS_ERROR_FAILURE);
+
+  NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
+}
+
+} // namespace CocoaFileUtils