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| 1 // Copyright 2016 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 /** |
| 6 * @fileoverview |
| 7 * Contains utilities that help identify the current way that the lock screen |
| 8 * will be displayed. |
| 9 */ |
| 10 |
| 11 /** @enum {string} */ |
| 12 var LockScreenUnlockType = { |
| 13 VALUE_PENDING: 'value_pending', |
| 14 PASSWORD: 'password', |
| 15 PIN_PASSWORD: 'pin+password' |
| 16 }; |
| 17 |
| 18 /** @polymerBehavior */ |
| 19 var LockStateBehavior = { |
| 20 properties: { |
| 21 /** |
| 22 * The currently selected unlock type. |
| 23 * @type {!LockScreenUnlockType} |
| 24 */ |
| 25 selectedUnlockType: { |
| 26 type: String, |
| 27 notify: true, |
| 28 value: LockScreenUnlockType.VALUE_PENDING |
| 29 }, |
| 30 |
| 31 /** |
| 32 * True/false if there is a PIN set; undefined if the computation is still |
| 33 * pending. This is a separate value from selectedUnlockType because the UI |
| 34 * can change the selectedUnlockType before setting up a PIN. |
| 35 * @type {boolean|undefined} |
| 36 */ |
| 37 hasPin: { |
| 38 type: Boolean, |
| 39 notify: true |
| 40 } |
| 41 }, |
| 42 |
| 43 /** @override */ |
| 44 attached: function() { |
| 45 this.boundOnActiveModesChanged_ = this.updateUnlockType_.bind(this); |
| 46 chrome.quickUnlockPrivate.onActiveModesChanged.addListener( |
| 47 this.boundOnActiveModesChanged_); |
| 48 |
| 49 this.updateUnlockType_(); |
| 50 }, |
| 51 |
| 52 /** @override */ |
| 53 detached: function() { |
| 54 chrome.quickUnlockPrivate.onActiveModesChanged.removeListener( |
| 55 this.boundOnActiveModesChanged_); |
| 56 }, |
| 57 |
| 58 /** |
| 59 * Updates the selected unlock type radio group. This function will get called |
| 60 * after preferences are initialized, after the quick unlock mode has been |
| 61 * changed, and after the lockscreen preference has changed. |
| 62 * |
| 63 * @private |
| 64 */ |
| 65 updateUnlockType_: function() { |
| 66 chrome.quickUnlockPrivate.getActiveModes(function(modes) { |
| 67 if (modes.includes(chrome.quickUnlockPrivate.QuickUnlockMode.PIN)) { |
| 68 this.hasPin = true; |
| 69 this.selectedUnlockType = LockScreenUnlockType.PIN_PASSWORD; |
| 70 } else { |
| 71 this.hasPin = false; |
| 72 this.selectedUnlockType = LockScreenUnlockType.PASSWORD; |
| 73 } |
| 74 }.bind(this)); |
| 75 }, |
| 76 }; |
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