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// Copyright 2016 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.
/**
* @fileoverview
* 'settings-lock-screen' allows the user to change how they unlock their
* device.
*
* Example:
*
* <settings-lock-screen
* prefs="{{prefs}}">
* </settings-lock-screen>
*/
Polymer({
is: 'settings-lock-screen',
behaviors: [
I18nBehavior,
LockStateBehavior,
WebUIListenerBehavior,
settings.RouteObserverBehavior,
],
properties: {
/** Preferences state. */
prefs: {type: Object},
/**
* setModes_ is a partially applied function that stores the current auth
* token. It's defined only when the user has entered a valid password.
* @type {Object|undefined}
* @private
*/
setModes_: {
type: Object,
observer: 'onSetModesChanged_',
},
/**
* Authentication token provided by lock-screen-password-prompt-dialog.
*/
authToken: {
type: String,
value: '',
notify: true,
},
/**
* writeUma_ is a function that handles writing uma stats. It may be
* overridden for tests.
*
* @type {Function}
* @private
*/
writeUma_: {
type: Object,
value: function() {
return settings.recordLockScreenProgress;
},
},
/**
* True if quick unlock settings should be displayed on this machine.
* @private
*/
quickUnlockEnabled_: {
type: Boolean,
value: function() {
return loadTimeData.getBoolean('quickUnlockEnabled');
},
readOnly: true,
},
/**
* True if quick unlock settings are disabled by policy.
* @private
*/
quickUnlockDisabledByPolicy_: {
type: Boolean,
value: function() {
return loadTimeData.getBoolean('quickUnlockDisabledByPolicy');
},
readOnly: true,
},
/**
* True if fingerprint unlock settings should be displayed on this machine.
* @private
*/
fingerprintUnlockEnabled_: {
type: Boolean,
value: function() {
return loadTimeData.getBoolean('fingerprintUnlockEnabled');
},
readOnly: true,
},
/** @private */
numFingerprints_: {
type: Number,
value: 0,
},
/**
* Whether notifications on the lock screen are enable by the feature flag.
* @private
*/
lockScreenNotificationsEnabled_: {
type: Boolean,
value: function() {
return loadTimeData.getBoolean('lockScreenNotificationsEnabled');
},
readOnly: true,
},
/**
* Whether the "hide sensitive notification" option on the lock screen can
* be enable by the feature flag.
* @private
*/
lockScreenHideSensitiveNotificationSupported_: {
type: Boolean,
value: function() {
return loadTimeData.getBoolean(
'lockScreenHideSensitiveNotificationsSupported');
},
readOnly: true,
},
/** @private */
showPasswordPromptDialog_: Boolean,
/** @private */
showSetupPinDialog_: Boolean,
},
/** @private {?settings.FingerprintBrowserProxy} */
fingerprintBrowserProxy_: null,
/** selectedUnlockType is defined in LockStateBehavior. */
observers: ['selectedUnlockTypeChanged_(selectedUnlockType)'],
/** @override */
attached: function() {
if (this.shouldAskForPassword_(settings.getCurrentRoute())) {
this.openPasswordPromptDialog_();
}
this.fingerprintBrowserProxy_ =
settings.FingerprintBrowserProxyImpl.getInstance();
this.updateNumFingerprints_();
},
/**
* Overridden from settings.RouteObserverBehavior.
* @param {!settings.Route} newRoute
* @param {!settings.Route} oldRoute
* @protected
*/
currentRouteChanged: function(newRoute, oldRoute) {
if (newRoute == settings.routes.LOCK_SCREEN) {
this.updateUnlockType();
this.updateNumFingerprints_();
}
if (this.shouldAskForPassword_(newRoute)) {
this.openPasswordPromptDialog_();
} else if (
newRoute != settings.routes.FINGERPRINT &&
oldRoute != settings.routes.FINGERPRINT) {
// If the user navigated away from the lock screen settings page they will
// have to re-enter their password. An exception is if they are navigating
// to or from the fingerprint subpage.
this.setModes_ = undefined;
}
},
/**
* @param {!Event} event
* @private
*/
onScreenLockChange_: function(event) {
const target = /** @type {!SettingsToggleButtonElement} */ (event.target);
if (!this.authToken) {
console.error('Screen lock changed with expired token.');
target.checked = !target.checked;
return;
}
this.setLockScreenEnabled(this.authToken, target.checked);
},
/**
* Called when the unlock type has changed.
* @param {!string} selected The current unlock type.
* @private
*/
selectedUnlockTypeChanged_: function(selected) {
if (selected == LockScreenUnlockType.VALUE_PENDING) {
return;
}
if (selected != LockScreenUnlockType.PIN_PASSWORD && this.setModes_) {
this.setModes_.call(null, [], [], function(result) {
assert(result, 'Failed to clear quick unlock modes');
if (!result) {
console.error('Failed to clear quick unlock modes');
}
});
}
},
/** @private */
onSetModesChanged_: function() {
if (this.shouldAskForPassword_(settings.getCurrentRoute())) {
this.showSetupPinDialog_ = false;
this.openPasswordPromptDialog_();
}
},
/** @private */
openPasswordPromptDialog_: function() {
this.showPasswordPromptDialog_ = true;
},
/** @private */
onPasswordPromptDialogClose_: function() {
this.showPasswordPromptDialog_ = false;
if (!this.setModes_) {
settings.navigateToPreviousRoute();
} else if (!this.$$('#unlockType').disabled) {
cr.ui.focusWithoutInk(assert(this.$$('#unlockType')));
} else {
cr.ui.focusWithoutInk(assert(this.$$('#enableLockScreen')));
}
},
/**
* @param {!Event} e
* @private
*/
onConfigurePin_: function(e) {
e.preventDefault();
this.writeUma_(LockScreenProgress.CHOOSE_PIN_OR_PASSWORD);
this.showSetupPinDialog_ = true;
},
/** @private */
onSetupPinDialogClose_: function() {
this.showSetupPinDialog_ = false;
cr.ui.focusWithoutInk(assert(this.$$('#setupPinButton')));
},
/**
* Returns true if the setup pin section should be shown.
* @param {!string} selectedUnlockType The current unlock type. Used to let
* Polymer know about the dependency.
* @private
*/
showConfigurePinButton_: function(selectedUnlockType) {
return selectedUnlockType === LockScreenUnlockType.PIN_PASSWORD;
},
/**
* @param {boolean} hasPin
* @private
*/
getSetupPinText_: function(hasPin) {
if (hasPin) {
return this.i18n('lockScreenChangePinButton');
}
return this.i18n('lockScreenSetupPinButton');
},
/** @private */
getDescriptionText_: function() {
if (this.numFingerprints_ > 0) {
return this.i18n(
'lockScreenNumberFingerprints', this.numFingerprints_.toString());
}
return this.i18n('lockScreenEditFingerprintsDescription');
},
/** @private */
onEditFingerprints_: function() {
settings.navigateTo(settings.routes.FINGERPRINT);
},
/**
* @param {!settings.Route} route
* @return {boolean} Whether the password dialog should be shown.
* @private
*/
shouldAskForPassword_: function(route) {
return route == settings.routes.LOCK_SCREEN && !this.setModes_;
},
/** @private */
updateNumFingerprints_: function() {
if (this.fingerprintUnlockEnabled_ && this.fingerprintBrowserProxy_) {
this.fingerprintBrowserProxy_.getNumFingerprints().then(
numFingerprints => {
this.numFingerprints_ = numFingerprints;
});
}
},
/**
* Looks up the translation id, which depends on PIN login support.
* @param {boolean} hasPinLogin
* @private
*/
selectLockScreenOptionsString(hasPinLogin) {
if (hasPinLogin) {
return this.i18n('lockScreenOptionsLoginLock');
}
return this.i18n('lockScreenOptionsLock');
},
});
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