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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="animations/opaque-animation.html">
<script>
/**
* `Polymer.NeonAnimatableBehavior` is implemented by elements containing animations for use with
* elements implementing `Polymer.NeonAnimationRunnerBehavior`.
* @polymerBehavior
*/
Polymer.NeonAnimatableBehavior = {
properties: {
/**
* Animation configuration. See README for more info.
*/
animationConfig: {
type: Object
},
/**
* Convenience property for setting an 'entry' animation. Do not set `animationConfig.entry`
* manually if using this. The animated node is set to `this` if using this property.
*/
entryAnimation: {
observer: '_entryAnimationChanged',
type: String
},
/**
* Convenience property for setting an 'exit' animation. Do not set `animationConfig.exit`
* manually if using this. The animated node is set to `this` if using this property.
*/
exitAnimation: {
observer: '_exitAnimationChanged',
type: String
}
},
_entryAnimationChanged: function() {
this.animationConfig = this.animationConfig || {};
if (this.entryAnimation !== 'fade-in-animation') {
// insert polyfill hack
this.animationConfig['entry'] = [{
name: 'opaque-animation',
node: this
}, {
name: this.entryAnimation,
node: this
}];
} else {
this.animationConfig['entry'] = [{
name: this.entryAnimation,
node: this
}];
}
},
_exitAnimationChanged: function() {
this.animationConfig = this.animationConfig || {};
this.animationConfig['exit'] = [{
name: this.exitAnimation,
node: this
}];
},
_copyProperties: function(config1, config2) {
// shallowly copy properties from config2 to config1
for (var property in config2) {
config1[property] = config2[property];
}
},
_cloneConfig: function(config) {
var clone = {
isClone: true
};
this._copyProperties(clone, config);
return clone;
},
_getAnimationConfigRecursive: function(type, map, allConfigs) {
if (!this.animationConfig) {
return;
}
// type is optional
var thisConfig;
if (type) {
thisConfig = this.animationConfig[type];
} else {
thisConfig = this.animationConfig;
}
if (!Array.isArray(thisConfig)) {
thisConfig = [thisConfig];
}
// iterate animations and recurse to process configurations from child nodes
if (thisConfig) {
for (var config, index = 0; config = thisConfig[index]; index++) {
if (config.animatable) {
config.animatable._getAnimationConfigRecursive(config.type || type, map, allConfigs);
} else {
if (config.id) {
var cachedConfig = map[config.id];
if (cachedConfig) {
// merge configurations with the same id, making a clone lazily
if (!cachedConfig.isClone) {
map[config.id] = this._cloneConfig(cachedConfig)
cachedConfig = map[config.id];
}
this._copyProperties(cachedConfig, config);
} else {
// put any configs with an id into a map
map[config.id] = config;
}
} else {
allConfigs.push(config);
}
}
}
}
},
/**
* An element implementing `Polymer.NeonAnimationRunnerBehavior` calls this method to configure
* an animation with an optional type. Elements implementing `Polymer.NeonAnimatableBehavior`
* should define the property `animationConfig`, which is either a configuration object
* or a map of animation type to array of configuration objects.
*/
getAnimationConfig: function(type) {
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var allConfigs = [];
this._getAnimationConfigRecursive(type, map, allConfigs);
// append the configurations saved in the map to the array
for (var key in map) {
allConfigs.push(map[key]);
}
return allConfigs;
}
};
</script>
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a new hope