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// Copyright (c) 2011 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';
/**
* Creates a HeaderFooterSettings object. This object encapsulates all
* settings and logic related to the headers and footers checkbox.
* @constructor
*/
function HeaderFooterSettings() {
this.headerFooterOption_ = $('header-footer-option');
this.headerFooterCheckbox_ = $('header-footer');
this.addEventListeners_();
}
cr.addSingletonGetter(HeaderFooterSettings);
HeaderFooterSettings.prototype = {
/**
* The checkbox corresponding to the headers and footers option.
* @type {HTMLInputElement}
*/
get headerFooterCheckbox() {
return this.headerFooterCheckbox_;
},
/**
* Checks whether the Headers and Footers checkbox is checked or not.
* @return {boolean} true if Headers and Footers are checked.
*/
hasHeaderFooter: function() {
return this.headerFooterCheckbox_.checked;
},
/**
* Adding listeners to header footer related controls.
* @private
*/
addEventListeners_: function() {
this.headerFooterCheckbox_.onclick =
this.onHeaderFooterChanged_.bind(this);
document.addEventListener(customEvents.PDF_LOADED,
this.onPDFLoaded_.bind(this));
},
/**
* Listener executing when the user selects or de-selects the headers
* and footers option.
* @private
*/
onHeaderFooterChanged_: function() {
requestPrintPreview();
},
/**
* Listener executing when a |customEvents.PDF_LOADED| event occurs.
* @private
*/
onPDFLoaded_: function() {
if (!previewModifiable) {
fadeOutOption(this.headerFooterOption_);
this.headerFooterCheckbox_.checked = false;
}
},
};
return {
HeaderFooterSettings: HeaderFooterSettings,
};
});
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