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// 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.
cr.define('options', function() {
/** @const */ var ConfirmDialog = options.ConfirmDialog;
/** @const */ var SettingsDialog = options.SettingsDialog;
/** @const */ var PageManager = cr.ui.pageManager.PageManager;
/**
* A dialog that will pop up when the user attempts to set the value of the
* Boolean |pref| to |true|, asking for confirmation. It will first check for
* any errors and if any exist, not display the dialog but toggle the
* indicator. Like its superclass, if the user clicks OK, the new value is
* committed to Chrome. If the user clicks Cancel or leaves the settings page,
* the new value is discarded.
* @constructor
* @extends {ConfirmDialog}
*/
function HotwordConfirmDialog() {
ConfirmDialog.call(this,
'hotwordConfim', // name
loadTimeData.getString('hotwordConfirmOverlayTabTitle'),
'hotword-confirm-overlay', // pageDivName
$('hotword-confirm-ok'), // okButton
$('hotword-confirm-cancel'), // cancelButton
$('hotword-search-enable').pref, // pref
$('hotword-search-enable').metric); // metric
this.indicator = $('hotword-search-setting-indicator');
}
HotwordConfirmDialog.prototype = {
// TODO(dbeam): this class should probably derive SettingsDialog again as it
// evily duplicates much of ConfirmDialog's functionality, calls methods
// on SettingsDialog.prototype, and shadows private method names.
__proto__: ConfirmDialog.prototype,
/**
* Handle changes to |pref|. Only uncommitted changes are relevant as these
* originate from user and need to be explicitly committed to take effect.
* Pop up the dialog if there are no errors from the indicator or commit the
* change, depending on whether confirmation is needed.
* @param {Event} event Change event.
* @private
*/
onPrefChanged_: function(event) {
if (!event.value.uncommitted)
return;
if (event.value.value && !this.confirmed_) {
if (!this.indicator.errorText) {
PageManager.showPageByName(this.name, false);
} else {
this.indicator.updateBasedOnError();
this.handleCancel();
}
} else {
Preferences.getInstance().commitPref(this.pref, this.metric);
}
},
/**
* Override the initializePage function so that an updated version of
* onPrefChanged_ can be used.
* @override
*/
initializePage: function() {
SettingsDialog.prototype.initializePage.call(this);
this.okButton.onclick = this.handleConfirm.bind(this);
this.cancelButton.onclick = this.handleCancel.bind(this);
Preferences.getInstance().addEventListener(
this.pref, this.onPrefChanged_.bind(this));
}
};
return {
HotwordConfirmDialog: HotwordConfirmDialog
};
});
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