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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 | |
| 13 <script> | |
| 14 | |
| 15 /** | |
| 16 * @demo demo/index.html | |
| 17 * @polymerBehavior | |
| 18 */ | |
| 19 Polymer.IronControlState = { | |
| 20 | |
| 21 properties: { | |
| 22 | |
| 23 /** | |
| 24 * If true, the element currently has focus. | |
| 25 */ | |
| 26 focused: { | |
| 27 type: Boolean, | |
| 28 value: false, | |
| 29 notify: true, | |
| 30 readOnly: true, | |
| 31 reflectToAttribute: true | |
| 32 }, | |
| 33 | |
| 34 /** | |
| 35 * If true, the user cannot interact with this element. | |
| 36 */ | |
| 37 disabled: { | |
| 38 type: Boolean, | |
| 39 value: false, | |
| 40 notify: true, | |
| 41 observer: '_disabledChanged', | |
| 42 reflectToAttribute: true | |
| 43 }, | |
| 44 | |
| 45 _oldTabIndex: { | |
| 46 type: Number | |
| 47 }, | |
| 48 | |
| 49 _boundFocusBlurHandler: { | |
| 50 type: Function, | |
| 51 value: function() { | |
| 52 return this._focusBlurHandler.bind(this); | |
| 53 } | |
| 54 } | |
| 55 | |
| 56 }, | |
| 57 | |
| 58 observers: [ | |
| 59 '_changedControlState(focused, disabled)' | |
| 60 ], | |
| 61 | |
| 62 ready: function() { | |
| 63 // TODO(sjmiles): ensure read-only property is valued so the compound | |
| 64 // observer will fire | |
| 65 if (this.focused === undefined) { | |
| 66 this._setFocused(false); | |
| 67 } | |
| 68 this.addEventListener('focus', this._boundFocusBlurHandler, true); | |
| 69 this.addEventListener('blur', this._boundFocusBlurHandler, true); | |
| 70 }, | |
| 71 | |
| 72 _focusBlurHandler: function(event) { | |
| 73 var target = event.path ? event.path[0] : event.target; | |
| 74 if (target === this) { | |
| 75 var focused = event.type === 'focus'; | |
| 76 this._setFocused(focused); | |
| 77 } else if (!this.shadowRoot) { | |
| 78 event.stopPropagation(); | |
| 79 this.fire(event.type, {sourceEvent: event}, { | |
| 80 node: this, | |
| 81 bubbles: event.bubbles, | |
| 82 cancelable: event.cancelable | |
| 83 }); | |
| 84 } | |
| 85 }, | |
| 86 | |
| 87 _disabledChanged: function(disabled, old) { | |
| 88 this.setAttribute('aria-disabled', disabled ? 'true' : 'false'); | |
| 89 this.style.pointerEvents = disabled ? 'none' : ''; | |
| 90 if (disabled) { | |
| 91 this._oldTabIndex = this.tabIndex; | |
| 92 this.focused = false; | |
| 93 this.tabIndex = -1; | |
| 94 } else if (this._oldTabIndex !== undefined) { | |
| 95 this.tabIndex = this._oldTabIndex; | |
| 96 } | |
| 97 }, | |
| 98 | |
| 99 _changedControlState: function() { | |
| 100 // _controlStateChanged is abstract, follow-on behaviors may implement it | |
| 101 if (this._controlStateChanged) { | |
| 102 this._controlStateChanged(); | |
| 103 } | |
| 104 } | |
| 105 | |
| 106 }; | |
| 107 | |
| 108 </script> | |
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Chromium Code Reviews
Issue 1269803005:
Remove third_party/polymer from .gitignore (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master