4 * `Polymer.NeonAnimatableBehavior` is implemented by elements containing animations for use with
5 * elements implementing `Polymer.NeonAnimationRunnerBehavior`.
8 Polymer.NeonAnimatableBehavior = {
13 * Animation configuration. See README for more info.
20 * Convenience property for setting an 'entry' animation. Do not set `animationConfig.entry`
21 * manually if using this. The animated node is set to `this` if using this property.
24 observer: '_entryAnimationChanged',
29 * Convenience property for setting an 'exit' animation. Do not set `animationConfig.exit`
30 * manually if using this. The animated node is set to `this` if using this property.
33 observer: '_exitAnimationChanged',
39 _entryAnimationChanged: function() {
40 this.animationConfig = this.animationConfig || {};
41 if (this.entryAnimation !== 'fade-in-animation') {
42 // insert polyfill hack
43 this.animationConfig['entry'] = [{
44 name: 'opaque-animation',
47 name: this.entryAnimation,
51 this.animationConfig['entry'] = [{
52 name: this.entryAnimation,
58 _exitAnimationChanged: function() {
59 this.animationConfig = this.animationConfig || {};
60 this.animationConfig['exit'] = [{
61 name: this.exitAnimation,
66 _copyProperties: function(config1, config2) {
67 // shallowly copy properties from config2 to config1
68 for (var property in config2) {
69 config1[property] = config2[property];
73 _cloneConfig: function(config) {
77 this._copyProperties(clone, config);
81 _getAnimationConfigRecursive: function(type, map, allConfigs) {
82 if (!this.animationConfig) {
89 thisConfig = this.animationConfig[type];
91 thisConfig = this.animationConfig;
94 if (!Array.isArray(thisConfig)) {
95 thisConfig = [thisConfig];
98 // iterate animations and recurse to process configurations from child nodes
100 for (var config, index = 0; config = thisConfig[index]; index++) {
101 if (config.animatable) {
102 config.animatable._getAnimationConfigRecursive(config.type || type, map, allConfigs);
105 var cachedConfig = map[config.id];
107 // merge configurations with the same id, making a clone lazily
108 if (!cachedConfig.isClone) {
109 map[config.id] = this._cloneConfig(cachedConfig)
110 cachedConfig = map[config.id];
112 this._copyProperties(cachedConfig, config);
114 // put any configs with an id into a map
115 map[config.id] = config;
118 allConfigs.push(config);
126 * An element implementing `Polymer.NeonAnimationRunnerBehavior` calls this method to configure
127 * an animation with an optional type. Elements implementing `Polymer.NeonAnimatableBehavior`
128 * should define the property `animationConfig`, which is either a configuration object
129 * or a map of animation type to array of configuration objects.
131 getAnimationConfig: function(type) {
134 this._getAnimationConfigRecursive(type, map, allConfigs);
135 // append the configurations saved in the map to the array
136 for (var key in map) {
137 allConfigs.push(map[key]);