| // Copyright 2015 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({ |
| is: 'files-icon-button', |
| |
| hostAttributes: { |
| role: 'button', |
| tabindex: 0 |
| }, |
| |
| behaviors: [ |
| Polymer.IronButtonState, |
| Polymer.IronControlState |
| ], |
| |
| observers: [ |
| '_focusedChanged(receivedFocusFromKeyboard)' |
| ], |
| |
| _focusedChanged: function(receivedFocusFromKeyboard) { |
| if (receivedFocusFromKeyboard) { |
| this.classList.add('keyboard-focus'); |
| } else { |
| this.classList.remove('keyboard-focus'); |
| } |
| } |
| }); |
