| // Copyright 2016 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. |
| |
| /** |
| * @fileoverview |
| * 'zoom-levels' is the polymer element for showing the sites that are zoomed in |
| * or out. |
| */ |
| |
| import 'chrome://resources/polymer/v3_0/iron-list/iron-list.js'; |
| import 'chrome://resources/cr_elements/cr_icon_button/cr_icon_button.m.js'; |
| import 'chrome://resources/cr_elements/icons.m.js'; |
| import 'chrome://resources/cr_elements/shared_vars_css.m.js'; |
| import '../settings_shared.css.js'; |
| import '../site_favicon.js'; |
| |
| import {ListPropertyUpdateMixin} from 'chrome://resources/js/list_property_update_mixin.js'; |
| import {WebUIListenerMixin} from 'chrome://resources/js/web_ui_listener_mixin.js'; |
| import {IronListElement} from 'chrome://resources/polymer/v3_0/iron-list/iron-list.js'; |
| import {DomRepeatEvent, PolymerElement} from 'chrome://resources/polymer/v3_0/polymer/polymer_bundled.min.js'; |
| |
| import {SiteSettingsMixin} from './site_settings_mixin.js'; |
| import {ZoomLevelEntry} from './site_settings_prefs_browser_proxy.js'; |
| import {getTemplate} from './zoom_levels.html.js'; |
| |
| export interface ZoomLevelsElement { |
| $: { |
| empty: HTMLElement, |
| listContainer: HTMLElement, |
| list: IronListElement, |
| }; |
| } |
| |
| const ZoomLevelsElementBase = ListPropertyUpdateMixin( |
| SiteSettingsMixin(WebUIListenerMixin(PolymerElement))); |
| |
| export class ZoomLevelsElement extends ZoomLevelsElementBase { |
| static get is() { |
| return 'zoom-levels'; |
| } |
| |
| static get template() { |
| return getTemplate(); |
| } |
| |
| static get properties() { |
| return { |
| /** |
| * Array of sites that are zoomed in or out. |
| */ |
| sites_: { |
| type: Array, |
| value: () => [], |
| }, |
| |
| showNoSites_: { |
| type: Boolean, |
| value: false, |
| }, |
| }; |
| } |
| |
| private sites_: ZoomLevelEntry[]; |
| private showNoSites_: boolean; |
| |
| override ready() { |
| super.ready(); |
| |
| this.addWebUIListener( |
| 'onZoomLevelsChanged', |
| (sites: ZoomLevelEntry[]) => this.onZoomLevelsChanged_(sites)); |
| this.browserProxy.fetchZoomLevels(); |
| } |
| |
| /** |
| * A handler for when zoom levels change. |
| * @param sites The up to date list of sites and their zoom levels. |
| */ |
| private onZoomLevelsChanged_(sites: ZoomLevelEntry[]) { |
| this.updateList('sites_', item => item.origin, sites); |
| this.showNoSites_ = this.sites_.length === 0; |
| } |
| |
| /** |
| * A handler for when a zoom level for a site is deleted. |
| */ |
| private removeZoomLevel_(event: DomRepeatEvent<ZoomLevelEntry>) { |
| const site = this.sites_[event.model.index]; |
| this.browserProxy.removeZoomLevel(site.origin); |
| } |
| } |
| |
| declare global { |
| interface HTMLElementTagNameMap { |
| 'zoom-levels': ZoomLevelsElement; |
| } |
| } |
| |
| customElements.define(ZoomLevelsElement.is, ZoomLevelsElement); |