Bug 956646 - Add renameTo to nsIFile interface. r=bsmedberg

netwerk/ipc/RemoteOpenFileChild.cpp

@@ -557,6 +557,12 @@ RemoteOpenFileChild::MoveToNative(nsIFile *newParent, const nsACString &newName)
   return NS_ERROR_NOT_IMPLEMENTED;
 }
 
+NS_IMETHODIMP
+RemoteOpenFileChild::RenameTo(nsIFile *newParentDir, const nsAString &newName)
+{
+  return NS_ERROR_NOT_IMPLEMENTED;
+}
+
 NS_IMETHODIMP
 RemoteOpenFileChild::Remove(bool recursive)
 {

xpcom/io/nsIFile.idl

@@ -42,7 +42,7 @@ interface nsISimpleEnumerator;
  * be safely passed to javascript via xpconnect.  Therefore, the "native
  * methods" are not scriptable.
  */
-[scriptable, uuid(272a5020-64f5-485c-a8c4-44b2882ae0a2), builtinclass]
+[scriptable, uuid(a99a6a06-f90d-4659-8fce-c2f87feb1167), builtinclass]
 interface nsIFile : nsISupports
 {
     /**
@@ -180,6 +180,16 @@ interface nsIFile : nsISupports
     void moveTo(in nsIFile newParentDir, in AString newName);
     [noscript] void moveToNative(in nsIFile newParentDir, in ACString newName);
 
+    /**
+     *  renameTo
+     *
+     *  This method is identical to moveTo except that if this file or directory
+     *  is moved to a a different volume, it fails and returns an error
+     *  (NS_ERROR_FILE_ACCESS_DENIED).
+     *  This object will still point to the old location after renaming.
+     */
+    void renameTo(in nsIFile newParentDir, in AString newName);
+
     /**
      *  This will try to delete this file.  The 'recursive' flag
      *  must be PR_TRUE to delete directories which are not empty.

xpcom/io/nsLocalFileUnix.cpp

@@ -2000,6 +2000,13 @@ nsLocalFile::MoveTo(nsIFile *newParentDir, const nsAString &newName)
 {
     SET_UCS_2ARGS_2(MoveToNative, newParentDir, newName);
 }
+
+NS_IMETHODIMP
+nsLocalFile::RenameTo(nsIFile *newParentDir, const nsAString &newName)
+{
+  return NS_ERROR_NOT_IMPLEMENTED;
+}
+
 nsresult
 nsLocalFile::GetTarget(nsAString &_retval)
 {   

xpcom/io/nsLocalFileWin.cpp

@@ -2150,6 +2150,11 @@ nsLocalFile::MoveTo(nsIFile *newParentDir, const nsAString &newName)
     return CopyMove(newParentDir, newName, false, true);
 }
 
+NS_IMETHODIMP
+nsLocalFile::RenameTo(nsIFile *newParentDir, const nsAString & newName)
+{
+  return NS_ERROR_NOT_IMPLEMENTED;
+}
 
 NS_IMETHODIMP
 nsLocalFile::Load(PRLibrary * *_retval)