neon-animation-runner-behavior.html
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<!--
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
-->
<link rel="import" href="../polymer/polymer.html">
<link rel="import" href="../iron-meta/iron-meta.html">
<link rel="import" href="neon-animatable-behavior.html">
<script>
/**
* `Polymer.NeonAnimationRunnerBehavior` adds a method to run animations.
*
* @polymerBehavior Polymer.NeonAnimationRunnerBehavior
*/
Polymer.NeonAnimationRunnerBehaviorImpl = {
properties: {
_animationMeta: {
type: Object,
value: function() {
return new Polymer.IronMeta({type: 'animation'});
}
},
/** @type {?Object} */
_player: {
type: Object
}
},
_configureAnimationEffects: function(allConfigs) {
var allAnimations = [];
if (allConfigs.length > 0) {
for (var config, index = 0; config = allConfigs[index]; index++) {
var animationConstructor = this._animationMeta.byKey(config.name);
if (animationConstructor) {
var animation = animationConstructor && new animationConstructor();
var effect = animation.configure(config);
if (effect) {
allAnimations.push({
animation: animation,
config: config,
effect: effect
});
}
} else {
console.warn(this.is + ':', config.name, 'not found!');
}
}
}
return allAnimations;
},
_runAnimationEffects: function(allEffects) {
return document.timeline.play(new GroupEffect(allEffects));
},
_completeAnimations: function(allAnimations) {
for (var animation, index = 0; animation = allAnimations[index]; index++) {
animation.animation.complete(animation.config);
}
},
/**
* Plays an animation with an optional `type`.
* @param {string=} type
* @param {!Object=} cookie
*/
playAnimation: function(type, cookie) {
var allConfigs = this.getAnimationConfig(type);
if (!allConfigs) {
return;
}
var allAnimations = this._configureAnimationEffects(allConfigs);
var allEffects = allAnimations.map(function(animation) {
return animation.effect;
});
if (allEffects.length > 0) {
this._player = this._runAnimationEffects(allEffects);
this._player.onfinish = function() {
this._completeAnimations(allAnimations);
if (this._player) {
this._player.cancel();
this._player = null;
}
this.fire('neon-animation-finish', cookie, {bubbles: false});
}.bind(this);
} else {
this.fire('neon-animation-finish', cookie, {bubbles: false});
}
},
/**
* Cancels the currently running animation.
*/
cancelAnimation: function() {
if (this._player) {
this._player.cancel();
}
}
};
/** @polymerBehavior Polymer.NeonAnimationRunnerBehavior */
Polymer.NeonAnimationRunnerBehavior = [
Polymer.NeonAnimatableBehavior,
Polymer.NeonAnimationRunnerBehaviorImpl
];
</script>