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files_menu.js
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files_menu.js
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// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import {assertInstanceof} from 'chrome://resources/js/assert.js';
import {Menu} from './menu.js';
import {MenuItem} from './menu_item.js';
/**
* Menu item with ripple animation.
*/
export class FilesMenuItem extends MenuItem {
constructor() {
super();
/** @private {boolean} */
this.animating_ = false;
/** @private {(boolean|undefined)} */
this.hidden_ = undefined;
/** @private {?HTMLElement} */
this.label_ = null;
/** @private {?HTMLElement} */
this.iconStart_ = null;
/** @private {?HTMLElement} */
this.iconManaged_ = null;
/** @private {?HTMLElement} */
this.iconEnd_ = null;
/** @private {?HTMLElement} */
this.ripple_ = null;
/** @public @type {?chrome.fileManagerPrivate.FileTaskDescriptor} */
this.descriptor = null;
throw new Error('Designed to decorate elements');
}
/**
* Decorates the element.
* @param {!Element} element Element to be decorated.
* @return {!FilesMenuItem} Decorated element.
*/
static decorate(element) {
element.__proto__ = FilesMenuItem.prototype;
element = /** @type {!FilesMenuItem} */ (element);
element.decorate();
return element;
}
/**
* @override
*/
decorate() {
this.animating_ = false;
// Custom menu item can have sophisticated content (elements).
if (!this.children.length) {
this.label_ =
assertInstanceof(document.createElement('span'), HTMLElement);
this.label_.textContent = this.textContent;
this.iconStart_ =
assertInstanceof(document.createElement('div'), HTMLElement);
this.iconStart_.classList.add('icon', 'start');
this.iconManaged_ =
assertInstanceof(document.createElement('div'), HTMLElement);
this.iconManaged_.classList.add('icon', 'managed');
this.iconEnd_ =
assertInstanceof(document.createElement('div'), HTMLElement);
this.iconEnd_.classList.add('icon', 'end');
/**
* This is hidden by default because most of the menu items require
* neither the end icon nor the managed icon, so the component that
* plans to use either end icon should explicitly make it visible.
*/
this.setIconEndHidden(true);
this.toggleManagedIcon(/*visible=*/ false);
// Override with standard menu item elements.
this.textContent = '';
this.appendChild(this.iconStart_);
this.appendChild(this.label_);
this.appendChild(this.iconManaged_);
this.appendChild(this.iconEnd_);
}
this.ripple_ =
assertInstanceof(document.createElement('paper-ripple'), HTMLElement);
this.appendChild(this.ripple_);
this.addEventListener('activate', this.onActivated_.bind(this));
}
/**
* Handles activate event.
* @param {Event} event
* @private
*/
onActivated_(event) {
// Perform ripple animation if it's activated by keyboard.
if (event.originalEvent instanceof KeyboardEvent) {
this.ripple_.simulatedRipple();
}
// Perform fade out animation.
const menu = assertInstanceof(this.parentNode, Menu);
// If activation was on a menu-item that hosts a sub-menu, don't animate
const subMenuId = event.target.getAttribute('sub-menu');
if (subMenuId !== null) {
if (document.querySelector(subMenuId) !== null) {
return;
}
}
this.setMenuAsAnimating_(menu, true /* animating */);
const player = menu.animate(
[
{
opacity: 1,
offset: 0,
},
{
opacity: 0,
offset: 1,
},
],
300);
player.addEventListener(
'finish',
this.setMenuAsAnimating_.bind(this, menu, false /* not animating */));
}
/**
* Sets menu as animating.
* @param {!Menu} menu
* @param {boolean} value True to set it as animating.
* @private
*/
setMenuAsAnimating_(menu, value) {
menu.classList.toggle('animating', value);
for (let i = 0; i < menu.menuItems.length; i++) {
const menuItem = menu.menuItems[i];
if (menuItem instanceof FilesMenuItem) {
menuItem.setAnimating_(value);
}
}
if (!value) {
menu.classList.remove('toolbar-menu');
}
}
/**
* Sets the menu item as animating.
* @param {boolean} value True to set this as animating.
* @private
*/
setAnimating_(value) {
this.animating_ = value;
if (this.animating_) {
return;
}
// Update hidden property if there is a pending change.
if (this.hidden_ !== undefined) {
this.hidden = this.hidden_;
this.hidden_ = undefined;
}
}
/**
* @return {boolean}
*/
get hidden() {
if (this.hidden_ !== undefined) {
return this.hidden_;
}
return Object.getOwnPropertyDescriptor(HTMLElement.prototype, 'hidden')
.get.call(this);
}
/**
* Overrides hidden property to block the change of hidden property while
* menu is animating.
* @param {boolean} value
*/
set hidden(value) {
if (this.animating_) {
this.hidden_ = value;
return;
}
Object.getOwnPropertyDescriptor(HTMLElement.prototype, 'hidden')
.set.call(this, value);
}
/**
* @return {string}
*/
get label() {
return this.label_.textContent;
}
/**
* @param {string} value
*/
set label(value) {
this.label_.textContent = value;
}
/**
* @return {string}
*/
get iconStartImage() {
return this.iconStart_.style.backgroundImage;
}
/**
* @param {string} value
*/
set iconStartImage(value) {
this.iconStart_.setAttribute('style', 'background-image: ' + value);
}
/**
* @return {string}
*/
get iconStartFileType() {
return this.iconStart_.getAttribute('file-type-icon');
}
/**
* @param {string} value
*/
set iconStartFileType(value) {
this.iconStart_.setAttribute('file-type-icon', value);
}
/**
* Sets or removes the `is-managed` attribute.
* @param {boolean} isManaged
*/
toggleIsManagedAttribute(isManaged) {
this.toggleAttribute('is-managed', isManaged);
}
/**
* Sets the `is-default` attribute.
*/
setIsDefaultAttribute() {
this.toggleAttribute('is-default', true);
}
/**
* Toggles visibility of the `Managed by Policy` icon.
* @param {boolean} visible
*/
toggleManagedIcon(visible) {
this.iconManaged_.toggleAttribute('hidden', !visible);
this.toggleIsManagedAttribute(visible);
}
/**
* @return {string}
*/
get iconEndImage() {
return this.iconEnd_.style.backgroundImage;
}
/**
* @param {string} value
*/
set iconEndImage(value) {
this.iconEnd_.setAttribute('style', 'background-image: ' + value);
}
/**
* @return {string}
*/
get iconEndFileType() {
return this.iconEnd_.getAttribute('file-type-icon');
}
/**
* @param {string} value
*/
set iconEndFileType(value) {
this.iconEnd_.setAttribute('file-type-icon', value);
}
removeIconEndFileType() {
this.iconEnd_.removeAttribute('file-type-icon');
}
/**
*
* @param {boolean} isHidden
*/
setIconEndHidden(isHidden) {
this.iconEnd_.toggleAttribute('hidden', isHidden);
}
}