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// Copyright 2019 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.
Polymer({
is: 'print-preview-duplex-settings',
behaviors: [SettingsBehavior, print_preview.SelectBehavior],
properties: {
dark: Boolean,
disabled: Boolean,
/**
* Mirroring the enum so that it can be used from HTML bindings.
* @private
*/
duplexValueEnum_: {
type: Object,
value: print_preview.DuplexMode,
},
},
observers: [
'onDuplexSettingChange_(settings.duplex.*)',
'onDuplexTypeChange_(settings.duplexShortEdge.*)',
],
/** @private {!IronMetaElement} */
meta_: /** @type {!IronMetaElement} */ (
Polymer.Base.create('iron-meta', {type: 'iconset'})),
/** @private */
onDuplexSettingChange_: function() {
this.$.duplex.checked = this.getSettingValue('duplex');
},
/** @private */
onDuplexTypeChange_: function() {
this.selectedValue = this.getSettingValue('duplexShortEdge') ?
this.duplexValueEnum_.SHORT_EDGE.toString() :
this.duplexValueEnum_.LONG_EDGE.toString();
},
/** @private */
onCheckboxChange_: function() {
this.setSetting('duplex', this.$.duplex.checked);
},
onProcessSelectChange: function(value) {
this.setSetting(
'duplexShortEdge',
value === this.duplexValueEnum_.SHORT_EDGE.toString());
},
/**
* @return {boolean} Whether to expand the collapse for the dropdown.
* @private
*/
getOpenCollapse_: function() {
return this.getSetting('duplexShortEdge').available &&
/** @type {boolean} */ (this.getSettingValue('duplex'));
},
/**
* @param {boolean} managed Whether the setting is managed by policy.
* @param {boolean} disabled value of this.disabled
* @return {boolean} Whether the controls should be disabled.
* @private
*/
getDisabled_: function(managed, disabled) {
return managed || disabled;
},
/**
* @return {string} An inline svg corresponding to |icon| and the image for
* the dropdown arrow.
* @private
*/
getBackgroundImages_: function() {
const icon =
this.getSettingValue('duplexShortEdge') ? 'short-edge' : 'long-edge';
const iconset = /** @type {!Polymer.IronIconsetSvg} */ (
this.meta_.byKey('print-preview'));
return getSelectDropdownBackground(iconset, icon, this);
},
});
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