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third_party/polymer/components/web-animations-js/src/keyframe-effect.js

Index: third_party/polymer/components/web-animations-js/src/keyframe-effect.js
diff --git a/third_party/polymer/components/web-animations-js/src/keyframe-effect.js b/third_party/polymer/components/web-animations-js/src/keyframe-effect.js
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+// 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) {
+
+  function EffectTime(timing) {
+    var timeFraction = 0;
+    var activeDuration = shared.calculateActiveDuration(timing);
+    var effectTime = function(localTime) {
+      return shared.calculateIterationProgress(activeDuration, localTime, timing);
+    };
+    effectTime._totalDuration = timing.delay + activeDuration + timing.endDelay;
+    return effectTime;
+  }
+
+  scope.KeyframeEffect = function(target, effectInput, timingInput, id) {
+    var effectTime = EffectTime(shared.normalizeTimingInput(timingInput));
+    var interpolations = scope.convertEffectInput(effectInput);
+    var timeFraction;
+    var keyframeEffect = function() {
+      WEB_ANIMATIONS_TESTING && console.assert(typeof timeFraction !== 'undefined');
+      interpolations(target, timeFraction);
+    };
+    // Returns whether the keyframeEffect is in effect or not after the timing update.
+    keyframeEffect._update = function(localTime) {
+      timeFraction = effectTime(localTime);
+      return timeFraction !== null;
+    };
+    keyframeEffect._clear = function() {
+      interpolations(target, null);
+    };
+    keyframeEffect._hasSameTarget = function(otherTarget) {
+      return target === otherTarget;
+    };
+    keyframeEffect._target = target;
+    keyframeEffect._totalDuration = effectTime._totalDuration;
+    keyframeEffect._id = id;
+    return keyframeEffect;
+  };
+
+  if (WEB_ANIMATIONS_TESTING) {
+    testing.webAnimations1KeyframeEffect = scope.KeyframeEffect;
+    testing.effectTime = EffectTime;
+  }
+
+})(webAnimationsShared, webAnimations1, webAnimationsTesting);