Revert "Update all Angular libs (run update_all.sh)."

third_party/pkg/angular/lib/animate/animations.dart

-part of angular.animate;
-
-/**
- * A [LoopedAnimation] is used with the [AnimationLoop] to drive window
- * animation frame animations. This provides hooks for dom reads and updates so
- * that they can be batched together to prevent excessive dom recalculations
- * when running multiple animations.
- */
-abstract class LoopedAnimation implements Animation {
-
-  /**
-   * This is used to batch dom read operations to prevent excessive
-   * recalculations when dom is modified.
-   *
-   * [timeInMs] is the time since the last animation frame.
-   */
-  void read(num timeInMs) { }
-  
-  /**
-   * Occurs every animation frame. Return false to stop receiving animation
-   * frame updates. Detach will be called after [update] returns false.
-   *
-   * [timeInMs] is the time since the last animation frame.
-   */
-  bool update(num timeInMs) { return false; }
-}
-
-/**
- * This is a proxy class for dealing with a set of elements where the 'same'
- * or similar animations are being run on them and it's more convenient to have
- * a merged animation to control and listen to a set of animations.
- */
-class AnimationList extends Animation {
-  final List<Animation> _animations;
-  Future<AnimationResult> _onCompleted;
-
-  /**
-   * [OnCompleted] executes once all the OnCompleted futures for each of the
-   * animations completes.
-   *
-   * if every animation returns [AnimationResult.COMPLETED],
-   *   [AnimationResult.COMPLETED] will be returned.
-   * if any animation was [AnimationResult.COMPLETED_IGNORED] instead, even if
-   *   some animations were completed, [AnimationResult.COMPLETED_IGNORED] will
-   *   be returned.
-   * if any animation was [AnimationResult.CANCELED], the result will be
-   *   [AnimationResult.CANCELED].
-   */
-  Future<AnimationResult> get onCompleted {
-    if (_onCompleted == null) {
-      _onCompleted = Future.wait(_animations.map((x) => x.onCompleted))
-        .then((results) {
-          var rtrn = AnimationResult.COMPLETED;
-          for (var result in results) {
-            if (result == AnimationResult.CANCELED)
-              return AnimationResult.CANCELED;
-            if (result == AnimationResult.COMPLETED_IGNORED)
-              rtrn = result;
-          }
-          return rtrn;
-        });
-    }
-    
-    return _onCompleted;
-  }
-
-  /// track and create a new [Animation] that acts as a proxy to a list of
-  /// existing [Animation]s.
-  AnimationList(this._animations);
-
-  /// For each of the tracked [Animation]s, call complete().
-  void complete() {
-    for (var animation in _animations) {
-      animation.complete();
-    }
-  }
-
-  /// For each of the tracked [Animation]s, call cancel().
-  void cancel() {
-    for (var animation in _animations) {
-      animation.cancel();
-    }
-  }
-}
-
-Animation _animationFromList(Iterable<Animation> animations) {
-  if (animations == null) {
-    return new NoOpAnimation();
-  }
-
-  List<Animation> list = animations.toList();
- 
-  if (list.length == 0) {
-    return new NoOpAnimation();
-  }
-  if (list.length == 1) {
-    return list.first;
-  }
-  return new AnimationList(list);
-}