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| 1 <!-- | |
| 2 Copyright (c) 2014 The Polymer Project Authors. All rights reserved. | |
| 3 This code may only be used under the BSD style license found at http://polymer.g
ithub.io/LICENSE.txt | |
| 4 The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt | |
| 5 The complete set of contributors may be found at http://polymer.github.io/CONTRI
BUTORS.txt | |
| 6 Code distributed by Google as part of the polymer project is also | |
| 7 subject to an additional IP rights grant found at http://polymer.github.io/PATEN
TS.txt | |
| 8 --> | |
| 9 | |
| 10 <!-- | |
| 11 /** | |
| 12 * @group Paper Elements | |
| 13 * | |
| 14 * paper-focusable is a base class for paper elements that can be focused. | |
| 15 * | |
| 16 * @element paper-focusable | |
| 17 * @status beta | |
| 18 * @homepage github.io | |
| 19 */ | |
| 20 --> | |
| 21 | |
| 22 <link href="../polymer/polymer.html" rel="import"> | |
| 23 | |
| 24 <polymer-element name="paper-focusable" attributes="active focused disabled isTo
ggle" tabindex="0" on-down="{{downAction}}" on-up="{{upAction}}" on-focus="{{foc
usAction}}" on-blur="{{blurAction}}" on-contextmenu="{{contextMenuAction}}"> | |
| 25 | |
| 26 <template> | |
| 27 <style> | |
| 28 :host([disabled]) { | |
| 29 pointer-events: none; | |
| 30 } | |
| 31 </style> | |
| 32 <content></content> | |
| 33 </template> | |
| 34 | |
| 35 <script> | |
| 36 Polymer('paper-focusable', { | |
| 37 | |
| 38 publish: { | |
| 39 | |
| 40 /** | |
| 41 * If true, the button is currently active either because the | |
| 42 * user is holding down the button, or the button is a toggle | |
| 43 * and is currently in the active state. | |
| 44 * | |
| 45 * @attribute active | |
| 46 * @type boolean | |
| 47 * @default false | |
| 48 */ | |
| 49 active: {value: false, reflect: true}, | |
| 50 | |
| 51 /** | |
| 52 * If true, the element currently has focus due to keyboard | |
| 53 * navigation. | |
| 54 * | |
| 55 * @attribute focused | |
| 56 * @type boolean | |
| 57 * @default false | |
| 58 */ | |
| 59 focused: {value: false, reflect: true}, | |
| 60 | |
| 61 /** | |
| 62 * If true, the user is currently holding down the button. | |
| 63 * | |
| 64 * @attribute pressed | |
| 65 * @type boolean | |
| 66 * @default false | |
| 67 */ | |
| 68 pressed: {value: false, reflect: true}, | |
| 69 | |
| 70 /** | |
| 71 * If true, the user cannot interact with this element. | |
| 72 * | |
| 73 * @attribute disabled | |
| 74 * @type boolean | |
| 75 * @default false | |
| 76 */ | |
| 77 disabled: {value: false, reflect: true}, | |
| 78 | |
| 79 /** | |
| 80 * If true, the button toggles the active state with each tap. | |
| 81 * Otherwise, the button becomes active when the user is holding | |
| 82 * it down. | |
| 83 * | |
| 84 * @attribute isToggle | |
| 85 * @type boolean | |
| 86 * @default false | |
| 87 */ | |
| 88 isToggle: {value: false, reflect: false} | |
| 89 | |
| 90 }, | |
| 91 | |
| 92 disabledChanged: function() { | |
| 93 if (this.disabled) { | |
| 94 this.removeAttribute('tabindex'); | |
| 95 } else { | |
| 96 this.setAttribute('tabindex', 0); | |
| 97 } | |
| 98 }, | |
| 99 | |
| 100 downAction: function() { | |
| 101 this.pressed = true; | |
| 102 this.focused = false; | |
| 103 | |
| 104 if (this.isToggle) { | |
| 105 this.active = !this.active; | |
| 106 } else { | |
| 107 this.active = true; | |
| 108 } | |
| 109 }, | |
| 110 | |
| 111 // Pulling up the context menu for an item should focus it; but we need to | |
| 112 // be careful about how we deal with down/up events surrounding context | |
| 113 // menus. The up event typically does not fire until the context menu | |
| 114 // closes: so we focus immediately. | |
| 115 // | |
| 116 // This fires _after_ downAction. | |
| 117 contextMenuAction: function(e) { | |
| 118 // Note that upAction may fire _again_ on the actual up event. | |
| 119 this.upAction(e); | |
| 120 this.focusAction(); | |
| 121 }, | |
| 122 | |
| 123 upAction: function() { | |
| 124 this.pressed = false; | |
| 125 | |
| 126 if (!this.isToggle) { | |
| 127 this.active = false; | |
| 128 } | |
| 129 }, | |
| 130 | |
| 131 focusAction: function() { | |
| 132 if (!this.pressed) { | |
| 133 // Only render the "focused" state if the element gains focus due to | |
| 134 // keyboard navigation. | |
| 135 this.focused = true; | |
| 136 } | |
| 137 }, | |
| 138 | |
| 139 blurAction: function() { | |
| 140 this.focused = false; | |
| 141 } | |
| 142 | |
| 143 }); | |
| 144 | |
| 145 </script> | |
| 146 </polymer-element> | |
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Chromium Code Reviews
Issue 592603004:
Revert "Polymer elements added to third_party/polymer." (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master