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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="../iron-behaviors/iron-button-state.html"> | |
13 | |
14 <script> | |
15 | |
16 /** @polymerBehavior */ | |
17 Polymer.PaperButtonBehaviorImpl = { | |
18 | |
19 properties: { | |
20 | |
21 _elevation: { | |
22 type: Number | |
23 } | |
24 | |
25 }, | |
26 | |
27 observers: [ | |
28 '_calculateElevation(focused, disabled, active, pressed, receivedFocusFrom
Keyboard)' | |
29 ], | |
30 | |
31 hostAttributes: { | |
32 role: 'button', | |
33 tabindex: '0' | |
34 }, | |
35 | |
36 _calculateElevation: function() { | |
37 var e = 1; | |
38 if (this.disabled) { | |
39 e = 0; | |
40 } else if (this.active || this.pressed) { | |
41 e = 4; | |
42 } else if (this.receivedFocusFromKeyboard) { | |
43 e = 3; | |
44 } | |
45 this._elevation = e; | |
46 } | |
47 }; | |
48 | |
49 /** @polymerBehavior */ | |
50 Polymer.PaperButtonBehavior = [ | |
51 Polymer.IronButtonState, | |
52 Polymer.IronControlState, | |
53 Polymer.PaperButtonBehaviorImpl | |
54 ]; | |
55 | |
56 </script> | |
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