Index: third_party/polymer/v0_8/components/paper-progress/paper-progress.html |
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+<!-- |
+@license |
+Copyright (c) 2015 The Polymer Project Authors. All rights reserved. |
+This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE |
+The complete set of authors may be found at http://polymer.github.io/AUTHORS |
+The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS |
+Code distributed by Google as part of the polymer project is also |
+subject to an additional IP rights grant found at http://polymer.github.io/PATENTS |
+--> |
+ |
+<link rel="import" href="../paper-styles/paper-styles.html"> |
+<link rel="import" href="../iron-range-behavior/iron-range-behavior.html"> |
+<link rel="import" href="../iron-flex-layout/classes/iron-flex-layout.html"> |
+ |
+<!-- |
+The progress bars are for situations where the percentage completed can be |
+determined. They give users a quick sense of how much longer an operation |
+will take. |
+ |
+Example: |
+ |
+ <paper-progress value="10"></paper-progress> |
+ |
+There is also a secondary progress which is useful for displaying intermediate |
+progress, such as the buffer level during a streaming playback progress bar. |
+ |
+Example: |
+ |
+ <paper-progress value="10" secondary-progress="30"></paper-progress> |
+ |
+Styling progress bar: |
+ |
+To change the active progress bar color: |
+ |
+ paper-progress { |
+ --paper-progress-active-color: #e91e63; |
+ } |
+ |
+To change the secondary progress bar color: |
+ |
+ paper-progress { |
+ --paper-progress-secondary-color: #f8bbd0; |
+ } |
+ |
+To change the progress bar background color: |
+ |
+ paper-progress { |
+ --paper-progress-container-color: #64ffda; |
+ } |
+ |
+@group Paper Elements |
+@element paper-progress |
+@hero hero.svg |
+@demo demo/index.html |
+--> |
+ |
+<dom-module id="paper-progress"> |
+ <style> |
+ :host { |
+ display: inline-block; |
+ width: 200px; |
+ height: 4px; |
+ } |
+ |
+ #progressContainer { |
+ position: relative; |
+ height: 100%; |
+ background-color: var(--paper-progress-container-color, --google-grey-300); |
+ overflow: hidden; |
+ } |
+ |
+ #activeProgress, |
+ #secondaryProgress { |
+ -webkit-transform-origin: left center; |
+ transform-origin: left center; |
+ -webkit-transform: scaleX(0); |
+ transform: scaleX(0); |
+ } |
+ |
+ #activeProgress { |
+ background-color: var(--paper-progress-active-color, --google-green-500); |
+ } |
+ |
+ #secondaryProgress { |
+ background-color: var(--paper-progress-secondary-color, --google-green-100); |
+ } |
+ |
+ #activeProgress.indeterminate { |
+ -webkit-transform-origin: center center; |
+ transform-origin: center center; |
+ -webkit-animation: indeterminate-bar 1s linear infinite; |
+ animation: indeterminate-bar 1s linear infinite; |
+ } |
+ |
+ @-webkit-keyframes indeterminate-bar { |
+ 0% { |
+ -webkit-transform: translate(-50%) scaleX(0); |
+ } |
+ 50% { |
+ -webkit-transform: translate(0%) scaleX(0.3); |
+ } |
+ 100% { |
+ -webkit-transform: translate(50%) scaleX(0); |
+ } |
+ } |
+ |
+ @keyframes indeterminate-bar { |
+ 0% { |
+ transform: translate(-50%) scaleX(0); |
+ } |
+ 50% { |
+ transform: translate(0%) scaleX(0.3); |
+ } |
+ 100% { |
+ transform: translate(50%) scaleX(0); |
+ } |
+ } |
+ </style> |
+ <template> |
+ <div id="progressContainer" role="progressbar" aria-valuenow$="{{value}}" aria-valuemin$="{{min}}" aria-valuemax$="{{max}}"> |
+ <div id="secondaryProgress" class="fit"></div> |
+ <div id="activeProgress" class="fit"></div> |
+ </div> |
+ </template> |
+</dom-module> |
+ |
+<script> |
+ Polymer({ |
+ |
+ is: 'paper-progress', |
+ |
+ behaviors: [ |
+ Polymer.IronRangeBehavior |
+ ], |
+ |
+ properties: { |
+ |
+ /** |
+ * The number that represents the current secondary progress. |
+ */ |
+ secondaryProgress: { |
+ type: Number, |
+ value: 0, |
+ notify: true |
+ }, |
+ |
+ /** |
+ * The secondary ratio |
+ */ |
+ secondaryRatio: { |
+ type: Number, |
+ value: 0, |
+ readOnly: true, |
+ observer: '_secondaryRatioChanged' |
+ }, |
+ |
+ /** |
+ * Use an indeterminate progress indicator. |
+ */ |
+ indeterminate: { |
+ type: Boolean, |
+ value: false, |
+ notify: true, |
+ observer: '_toggleIndeterminate' |
+ } |
+ }, |
+ |
+ observers: [ |
+ '_ratioChanged(ratio)', |
+ '_secondaryProgressChanged(secondaryProgress, min, max)' |
+ ], |
+ |
+ _toggleIndeterminate: function() { |
+ // If we use attribute/class binding, the animation sometimes doesn't translate properly |
+ // on Safari 7.1. So instead, we toggle the class here in the update method. |
+ this.toggleClass('indeterminate', this.indeterminate, this.$.activeProgress); |
+ }, |
+ |
+ _transformProgress: function(progress, ratio) { |
+ var transform = 'scaleX(' + (ratio / 100) + ')'; |
+ progress.style.transform = progress.style.webkitTransform = transform; |
+ }, |
+ |
+ _ratioChanged: function(ratio) { |
+ this._transformProgress(this.$.activeProgress, ratio); |
+ }, |
+ |
+ _secondaryRatioChanged: function(secondaryRatio) { |
+ this._transformProgress(this.$.secondaryProgress, secondaryRatio); |
+ }, |
+ |
+ _secondaryProgressChanged: function() { |
+ this.secondaryProgress = this._clampValue(this.secondaryProgress); |
+ this._setSecondaryRatio(this._calcRatio(this.secondaryProgress) * 100); |
+ } |
+ |
+ }); |
+ |
+</script> |