Fix Polymer licensing issues

third_party/web-animations-js/sources/src/web-animations-next-player.js

-// Copyright 2014 Google Inc. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-//     You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-//     See the License for the specific language governing permissions and
-// limitations under the License.
-
-(function(shared, scope, testing) {
-  scope.Player = function(source) {
-    this.source = source;
-    if (source) {
-      // FIXME: detach existing player.
-      source.player = this;
-    }
-    this._isGroup = false;
-    this._player = null;
-    this._childPlayers = [];
-    this._callback = null;
-    this._rebuildUnderlyingPlayer();
-    // Players are constructed in the idle state.
-    this._player.cancel();
-  };
-
-  // TODO: add a source getter/setter
-  scope.Player.prototype = {
-    _rebuildUnderlyingPlayer: function() {
-      if (this._player) {
-        this._player.cancel();
-        this._player = null;
-      }
-
-      if (!this.source || this.source instanceof window.Animation) {
-        this._player = scope.newUnderlyingPlayerForAnimation(this.source);
-        scope.bindPlayerForAnimation(this);
-      }
-      if (this.source instanceof window.AnimationSequence || this.source instanceof window.AnimationGroup) {
-        this._player = scope.newUnderlyingPlayerForGroup(this.source);
-        scope.bindPlayerForGroup(this);
-      }
-
-      // FIXME: move existing currentTime/startTime/playState to new player
-    },
-    get paused() {
-      return this._player.paused;
-    },
-    get playState() {
-      return this._player.playState;
-    },
-    get onfinish() {
-      return this._onfinish;
-    },
-    set onfinish(v) {
-      if (typeof v == 'function') {
-        this._onfinish = v;
-        this._player.onfinish = (function(e) {
-          e.target = this;
-          v.call(this, e);
-        }).bind(this);
-      } else {
-        this._player.onfinish = v;
-        this.onfinish = this._player.onfinish;
-      }
-    },
-    get currentTime() {
-      return this._player.currentTime;
-    },
-    set currentTime(v) {
-      this._player.currentTime = v;
-      this._register();
-      this._forEachChild(function(child, offset) {
-        child.currentTime = v - offset;
-      });
-    },
-    get startTime() {
-      return this._player.startTime;
-    },
-    set startTime(v) {
-      this._player.startTime = v;
-      this._register();
-      this._forEachChild(function(child, offset) {
-        child.startTime = v + offset;
-      });
-    },
-    get playbackRate() {
-      return this._player.playbackRate;
-    },
-    get finished() {
-      return this._player.finished;
-    },
-    play: function() {
-      this._player.play();
-      this._register();
-      scope.awaitStartTime(this);
-      this._forEachChild(function(child) {
-        var time = child.currentTime;
-        child.play();
-        child.currentTime = time;
-      });
-    },
-    pause: function() {
-      this._player.pause();
-      this._register();
-      this._forEachChild(function(child) {
-        child.pause();
-      });
-    },
-    finish: function() {
-      this._player.finish();
-      this._register();
-      // TODO: child players??
-    },
-    cancel: function() {
-      this._player.cancel();
-      this._register();
-      this._removePlayers();
-    },
-    reverse: function() {
-      this._player.reverse();
-      scope.awaitStartTime(this);
-      this._register();
-      this._forEachChild(function(child, offset) {
-        child.reverse();
-        child.startTime = this.startTime + offset * this.playbackRate;
-        child.currentTime = this.currentTime + offset * this.playbackRate;
-      });
-    },
-    addEventListener: function(type, handler) {
-      var wrapped = handler;
-      if (typeof handler == 'function') {
-        wrapped = (function(e) {
-          e.target = this;
-          handler.call(this, e);
-        }).bind(this);
-        handler._wrapper = wrapped;
-      }
-      this._player.addEventListener(type, wrapped);
-    },
-    removeEventListener: function(type, handler) {
-      this._player.removeEventListener(type, (handler && handler._wrapper) || handler);
-    },
-    _removePlayers: function() {
-      while (this._childPlayers.length)
-        this._childPlayers.pop().cancel();
-    },
-    _forEachChild: function(f) {
-      var offset = 0;
-      this._childPlayers.forEach(function(child) {
-        f.call(this, child, offset);
-        if (this.source instanceof window.AnimationSequence)
-          offset += child.source.activeDuration;
-      }.bind(this));
-    },
-  };
-
-})(webAnimationsShared, webAnimationsNext, webAnimationsTesting);