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1 <!-- | |
2 @license | |
3 Copyright (c) 2015 The Polymer Project Authors. All rights reserved. | |
4 This code may only be used under the BSD style license found at http://polymer.g
ithub.io/LICENSE.txt | |
5 The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt | |
6 The complete set of contributors may be found at http://polymer.github.io/CONTRI
BUTORS.txt | |
7 Code distributed by Google as part of the polymer project is also | |
8 subject to an additional IP rights grant found at http://polymer.github.io/PATEN
TS.txt | |
9 --> | |
10 | |
11 <link rel="import" href="../../polymer/polymer.html"> | |
12 <link rel="import" href="../neon-animation-behavior.html"> | |
13 <link rel="import" href="../web-animations.html"> | |
14 | |
15 <!-- | |
16 `<scale-down-animation>` animates the scale transform of an element from 1 to 0.
By default it | |
17 scales in both the x and y axes. | |
18 | |
19 Configuration: | |
20 ``` | |
21 { | |
22 name: 'scale-down-animation', | |
23 node: <node>, | |
24 axis: 'x' | 'y' | '', | |
25 transformOrigin: <transform-origin>, | |
26 timing: <animation-timing> | |
27 } | |
28 ``` | |
29 --> | |
30 | |
31 <script> | |
32 | |
33 Polymer({ | |
34 | |
35 is: 'scale-down-animation', | |
36 | |
37 behaviors: [ | |
38 Polymer.NeonAnimationBehavior | |
39 ], | |
40 | |
41 configure: function(config) { | |
42 var node = config.node; | |
43 | |
44 if (config.transformOrigin) { | |
45 this.setPrefixedProperty(node, 'transformOrigin', config.transformOrigin
); | |
46 } | |
47 | |
48 var scaleProperty = 'scale(0, 0)'; | |
49 if (config.axis === 'x') { | |
50 scaleProperty = 'scale(0, 1)'; | |
51 } else if (config.axis === 'y') { | |
52 scaleProperty = 'scale(1, 0)'; | |
53 } | |
54 | |
55 this._effect = new KeyframeEffect(node, [ | |
56 {'transform': 'scale(1,1)'}, | |
57 {'transform': scaleProperty} | |
58 ], this.timingFromConfig(config)); | |
59 | |
60 return this._effect; | |
61 } | |
62 | |
63 }); | |
64 | |
65 </script> | |
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