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// Copyright (c) 2012 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('print_preview', function() {
'use strict';
/**
* Repository which stores information about the user. Events are dispatched
* when the information changes.
* @constructor
* @extends {cr.EventTarget}
*/
function UserInfo() {
cr.EventTarget.call(this);
/**
* Tracker used to keep track of event listeners.
* @type {!EventTracker}
* @private
*/
this.tracker_ = new EventTracker();
/**
* Email address of the logged in user or {@code null} if no user is logged
* in.
* @type {?string}
* @private
*/
this.userEmail_ = null;
};
/**
* Enumeration of event types dispatched by the user info.
* @enum {string}
*/
UserInfo.EventType = {
EMIAL_CHANGE: 'print_preview.UserInfo.EMAIL_CHANGE'
};
UserInfo.prototype = {
__proto__: cr.EventTarget.prototype,
/**
* @return {?string} Email address of the logged in user or {@code null} if
* no user is logged.
*/
getUserEmail: function() {
return this.userEmail_;
},
/**
* @param {!cloudprint.CloudPrintInterface} cloudPrintInterface Interface
* to Google Cloud Print that the print preview uses.
*/
setCloudPrintInterface: function(cloudPrintInterface) {
this.tracker_.add(
cloudPrintInterface,
cloudprint.CloudPrintInterface.EventType.SEARCH_DONE,
this.onCloudPrintSearchDone_.bind(this));
},
/** Removes all event listeners. */
removeEventListeners: function() {
this.tracker_.removeAll();
},
/**
* Called when a Google Cloud Print printer search completes. Updates user
* information.
* @type {Event} event Contains information about the logged in user.
* @private
*/
onCloudPrintSearchDone_: function(event) {
if (event.origin == print_preview.Destination.Origin.COOKIES) {
this.userEmail_ = event.email;
cr.dispatchSimpleEvent(this, UserInfo.EventType.EMAIL_CHANGE);
}
}
};
return {
UserInfo: UserInfo
};
});
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