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| 1 <!-- | |
| 2 Copyright (c) 2015 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 <link rel="import" href="../polymer/polymer.html"> | |
| 11 | |
| 12 <!-- | |
| 13 `iron-media-query` can be used to data bind to a CSS media query. | |
| 14 The `query` property is a bare CSS media query. | |
| 15 The `queryMatches` property is a boolean representing if the page matches that m
edia query. | |
| 16 | |
| 17 Example: | |
| 18 | |
| 19 <iron-media-query query="(min-width: 600px)" queryMatches="{{queryMatches}}"
></iron-media-query> | |
| 20 | |
| 21 @group Iron Elements | |
| 22 @demo demo/index.html | |
| 23 @hero hero.svg | |
| 24 @element iron-media-query | |
| 25 --> | |
| 26 | |
| 27 <script> | |
| 28 | |
| 29 Polymer({ | |
| 30 | |
| 31 is: 'iron-media-query', | |
| 32 | |
| 33 properties: { | |
| 34 | |
| 35 /** | |
| 36 * The Boolean return value of the media query. | |
| 37 * | |
| 38 * @attribute queryMatches | |
| 39 * @type Boolean | |
| 40 * @default false | |
| 41 */ | |
| 42 queryMatches: { | |
| 43 type: Boolean, | |
| 44 value: false, | |
| 45 readOnly: true, | |
| 46 notify: true | |
| 47 }, | |
| 48 | |
| 49 /** | |
| 50 * The CSS media query to evaluate. | |
| 51 * | |
| 52 * @attribute query | |
| 53 * @type String | |
| 54 */ | |
| 55 query: { | |
| 56 type: String, | |
| 57 observer: 'queryChanged' | |
| 58 } | |
| 59 | |
| 60 }, | |
| 61 | |
| 62 created: function() { | |
| 63 this._mqHandler = this.queryHandler.bind(this); | |
| 64 }, | |
| 65 | |
| 66 queryChanged: function(query) { | |
| 67 if (this._mq) { | |
| 68 this._mq.removeListener(this._mqHandler); | |
| 69 } | |
| 70 if (query[0] !== '(') { | |
| 71 query = '(' + query + ')'; | |
| 72 } | |
| 73 this._mq = window.matchMedia(query); | |
| 74 this._mq.addListener(this._mqHandler); | |
| 75 this.queryHandler(this._mq); | |
| 76 }, | |
| 77 | |
| 78 queryHandler: function(mq) { | |
| 79 this._setQueryMatches(mq.matches); | |
| 80 } | |
| 81 | |
| 82 }); | |
| 83 | |
| 84 </script> | |
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Chromium Code Reviews
Issue 1155683008:
Rename polymer and cr_elements v0_8 to v1_0 (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@v1