# HG changeset patch
# User Brian Birtles <birtles@gmail.com>
# Date 1518501858 -32400
# Node ID 5ec4adb145cfadbd26a906d04d0aa3d984280578
# Parent  bffab24e601a3dfa7d15d38433732071d0b92d7d
Bug 1436659 - Add Animation.updatePlaybackRate WebIDL definition; r=bz

This is the IDL added to the Web Animations specification:

  https://github.com/w3c/csswg-drafts/commit/5af5e276badf4df0271bcfa0b8e7837fff24133a

Note that some of the changes in the above commit were reverted in the following
commit:

  https://github.com/w3c/csswg-drafts/commit/673f6fc1269829743c707c53dcb04092f958de35

A folded version of the changes:

  https://gist.github.com/birtles/d147eb2e0e2d4d37fadf217abd709411

MozReview-Commit-ID: CJV7bzizXg4

diff --git a/dom/animation/Animation.h b/dom/animation/Animation.h
--- a/dom/animation/Animation.h
+++ b/dom/animation/Animation.h
@@ -113,16 +113,17 @@ public:
   bool Pending() const { return mPendingState != PendingState::NotPending; }
   virtual Promise* GetReady(ErrorResult& aRv);
   Promise* GetFinished(ErrorResult& aRv);
   void Cancel();
   void Finish(ErrorResult& aRv);
   virtual void Play(ErrorResult& aRv, LimitBehavior aLimitBehavior);
   virtual void Pause(ErrorResult& aRv);
   void Reverse(ErrorResult& aRv);
+  void UpdatePlaybackRate(double /*aPlaybackRate*/) {}
   bool IsRunningOnCompositor() const;
   IMPL_EVENT_HANDLER(finish);
   IMPL_EVENT_HANDLER(cancel);
 
   // Wrapper functions for Animation DOM methods when called
   // from script.
   //
   // We often use the same methods internally and from script but when called
diff --git a/dom/webidl/Animation.webidl b/dom/webidl/Animation.webidl
--- a/dom/webidl/Animation.webidl
+++ b/dom/webidl/Animation.webidl
@@ -39,16 +39,17 @@ interface Animation : EventTarget {
            attribute EventHandler       oncancel;
   void cancel ();
   [Throws]
   void finish ();
   [Throws, BinaryName="playFromJS"]
   void play ();
   [Throws, BinaryName="pauseFromJS"]
   void pause ();
+  void updatePlaybackRate (double playbackRate);
   [Throws]
   void reverse ();
 };
 
 // Non-standard extensions
 partial interface Animation {
   [ChromeOnly] readonly attribute boolean isRunningOnCompositor;
 };