Index: chrome/browser/resources/pdf/elements/viewer-button/viewer-button.js |
diff --git a/chrome/browser/resources/pdf/elements/viewer-button/viewer-button.js b/chrome/browser/resources/pdf/elements/viewer-button/viewer-button.js |
new file mode 100644 |
index 0000000000000000000000000000000000000000..73bd53eff1ea293a493a1fbdabfad113857a8854 |
--- /dev/null |
+++ b/chrome/browser/resources/pdf/elements/viewer-button/viewer-button.js |
@@ -0,0 +1,33 @@ |
+// 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. |
+ |
+(function() { |
+ var dpi = ''; |
+ |
+ Polymer('viewer-button', { |
+ img: '', |
+ latchable: false, |
+ ready: function() { |
+ if (!dpi) { |
+ var mql = window.matchMedia('(-webkit-min-device-pixel-ratio: 1.3'); |
+ dpi = mql.matches ? 'hi' : 'low'; |
+ } |
+ }, |
+ imgChanged: function() { |
+ if (this.img) { |
+ this.$.icon.style.backgroundImage = |
+ 'url(' + this.getAttribute('assetpath') + 'img/' + dpi + |
+ 'DPI/' + this.img + ')'; |
+ } else { |
+ this.$.icon.style.backgroundImage = ''; |
+ } |
+ }, |
+ latchableChanged: function() { |
+ if (this.latchable) |
+ this.classList.add('latchable'); |
+ else |
+ this.classList.remove('latchable'); |
+ }, |
+ }); |
+})(); |