| Index: elements/viewer-progress-bar/viewer-progress-bar.js
|
| diff --git a/elements/viewer-progress-bar/viewer-progress-bar.js b/elements/viewer-progress-bar/viewer-progress-bar.js
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..7c4932dec929333d439db16efe2b664cbcc99c26
|
| --- /dev/null
|
| +++ b/elements/viewer-progress-bar/viewer-progress-bar.js
|
| @@ -0,0 +1,43 @@
|
| +// Copyright 2014 The Chromium Authors. All rights reserved.
|
| +// Use of this source code is governed by a BSD-style license that can be
|
| +// found in the LICENSE file.
|
| +
|
| +Polymer('viewer-progress-bar', {
|
| + progress: 0,
|
| + text: 'Loading',
|
| + numSegments: 8,
|
| + segments: [],
|
| + ready: function() {
|
| + this.numSegmentsChanged();
|
| + },
|
| + progressChanged: function() {
|
| + var numVisible = this.progress * this.segments.length / 100.0;
|
| + for (var i = 0; i < this.segments.length; i++) {
|
| + this.segments[i].style.visibility =
|
| + i < numVisible ? 'visible' : 'hidden';
|
| + }
|
| +
|
| + if (this.progress >= 100 || this.progress < 0)
|
| + this.style.opacity = 0;
|
| + },
|
| + numSegmentsChanged: function() {
|
| + // Clear the existing segments.
|
| + this.segments = [];
|
| + var segmentsElement = this.$.segments;
|
| + segmentsElement.innerHTML = '';
|
| +
|
| + // Create the new segments.
|
| + var segment = document.createElement('li');
|
| + segment.classList.add('segment');
|
| + var angle = 360 / this.numSegments;
|
| + for (var i = 0; i < this.numSegments; ++i) {
|
| + var segmentCopy = segment.cloneNode(true);
|
| + segmentCopy.style.webkitTransform =
|
| + 'rotate(' + (i * angle) + 'deg) skewY(' +
|
| + -1 * (90 - angle) + 'deg)';
|
| + segmentsElement.appendChild(segmentCopy);
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| + this.segments.push(segmentCopy);
|
| + }
|
| + this.progressChanged();
|
| + }
|
| +});
|
|
|