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| 1 | |
| 2 | |
| 3 Polymer({ | |
| 4 | |
| 5 is: 'hero-animation', | |
| 6 | |
| 7 behaviors: [ | |
| 8 Polymer.NeonSharedElementAnimationBehavior | |
| 9 ], | |
| 10 | |
| 11 configure: function(config) { | |
| 12 var shared = this.findSharedElements(config); | |
| 13 if (!shared) { | |
| 14 return null; | |
| 15 } | |
| 16 | |
| 17 var fromRect = shared.from.getBoundingClientRect(); | |
| 18 var toRect = shared.to.getBoundingClientRect(); | |
| 19 | |
| 20 var deltaLeft = fromRect.left - toRect.left; | |
| 21 var deltaTop = fromRect.top - toRect.top; | |
| 22 var deltaWidth = fromRect.width / toRect.width; | |
| 23 var deltaHeight = fromRect.height / toRect.height; | |
| 24 | |
| 25 this.setPrefixedProperty(shared.to, 'transformOrigin', '0 0'); | |
| 26 shared.to.style.zIndex = 10000; | |
| 27 shared.from.style.visibility = 'hidden'; | |
| 28 | |
| 29 this._effect = new KeyframeEffect(shared.to, [ | |
| 30 {'transform': 'translate(' + deltaLeft + 'px,' + deltaTop + 'px) scale('
+ deltaWidth + ',' + deltaHeight + ')'}, | |
| 31 {'transform': 'none'} | |
| 32 ], this.timingFromConfig(config)); | |
| 33 | |
| 34 return this._effect; | |
| 35 }, | |
| 36 | |
| 37 complete: function(config) { | |
| 38 var shared = this.findSharedElements(config); | |
| 39 if (!shared) { | |
| 40 return null; | |
| 41 } | |
| 42 shared.to.style.zIndex = ''; | |
| 43 shared.from.style.visibility = ''; | |
| 44 } | |
| 45 | |
| 46 }); | |
| 47 | |
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