import { Hotkey, HotkeysService } from 'angular2-hotkeys' import { concat } from 'rxjs' import { filter, first, map, pairwise } from 'rxjs/operators' import { DOCUMENT, PlatformLocation, ViewportScroller } from '@angular/common' import { AfterViewInit, Component, Inject, LOCALE_ID, OnInit, ViewChild } from '@angular/core' import { DomSanitizer, SafeHtml } from '@angular/platform-browser' import { Event, GuardsCheckStart, NavigationEnd, Router, Scroll } from '@angular/router' import { AuthService, MarkdownService, RedirectService, ScreenService, ServerService, ThemeService, User } from '@app/core' import { HooksService } from '@app/core/plugins/hooks.service' import { PluginService } from '@app/core/plugins/plugin.service' import { CustomModalComponent } from '@app/modal/custom-modal.component' import { InstanceConfigWarningModalComponent } from '@app/modal/instance-config-warning-modal.component' import { WelcomeModalComponent } from '@app/modal/welcome-modal.component' import { NgbConfig, NgbModal } from '@ng-bootstrap/ng-bootstrap' import { peertubeLocalStorage } from '@root-helpers/peertube-web-storage' import { getShortLocale, is18nPath } from '@shared/core-utils/i18n' import { BroadcastMessageLevel, ServerConfig, UserRole } from '@shared/models' import { MenuService } from './core/menu/menu.service' import { POP_STATE_MODAL_DISMISS } from './helpers' import { InstanceService } from './shared/shared-instance' @Component({ selector: 'my-app', templateUrl: './app.component.html', styleUrls: [ './app.component.scss' ] }) export class AppComponent implements OnInit, AfterViewInit { private static BROADCAST_MESSAGE_KEY = 'app-broadcast-message-dismissed' @ViewChild('welcomeModal') welcomeModal: WelcomeModalComponent @ViewChild('instanceConfigWarningModal') instanceConfigWarningModal: InstanceConfigWarningModalComponent @ViewChild('customModal') customModal: CustomModalComponent customCSS: SafeHtml broadcastMessage: { message: string, dismissable: boolean, class: string } | null = null private serverConfig: ServerConfig constructor ( @Inject(DOCUMENT) private document: Document, @Inject(LOCALE_ID) private localeId: string, private viewportScroller: ViewportScroller, private router: Router, private authService: AuthService, private serverService: ServerService, private pluginService: PluginService, private instanceService: InstanceService, private domSanitizer: DomSanitizer, private redirectService: RedirectService, private screenService: ScreenService, private hotkeysService: HotkeysService, private themeService: ThemeService, private hooks: HooksService, private location: PlatformLocation, private modalService: NgbModal, private markdownService: MarkdownService, private ngbConfig: NgbConfig, public menu: MenuService ) { this.ngbConfig.animation = false } get instanceName () { return this.serverConfig.instance.name } get defaultRoute () { return RedirectService.DEFAULT_ROUTE } ngOnInit () { document.getElementById('incompatible-browser').className += ' browser-ok' this.serverConfig = this.serverService.getTmpConfig() this.serverService.getConfig() .subscribe(config => this.serverConfig = config) this.loadPlugins() this.themeService.initialize() this.authService.loadClientCredentials() if (this.isUserLoggedIn()) { // The service will automatically redirect to the login page if the token is not valid anymore this.authService.refreshUserInformation() } this.initRouteEvents() this.injectJS() this.injectCSS() this.injectBroadcastMessage() this.initHotkeys() this.location.onPopState(() => this.modalService.dismissAll(POP_STATE_MODAL_DISMISS)) this.openModalsIfNeeded() this.document.documentElement.lang = getShortLocale(this.localeId) } ngAfterViewInit () { this.pluginService.initializeCustomModal(this.customModal) } getToggleTitle () { if (this.menu.isDisplayed()) return $localize`Close the left menu` return $localize`Open the left menu` } isUserLoggedIn () { return this.authService.isLoggedIn() } hideBroadcastMessage () { peertubeLocalStorage.setItem(AppComponent.BROADCAST_MESSAGE_KEY, this.serverConfig.broadcastMessage.message) this.broadcastMessage = null this.screenService.isBroadcastMessageDisplayed = false } private initRouteEvents () { let resetScroll = true const eventsObs = this.router.events const scrollEvent = eventsObs.pipe(filter((e: Event): e is Scroll => e instanceof Scroll)) scrollEvent.subscribe(e => { // scrollToAnchor first to preserve anchor position when using history navigation if (e.anchor) { setTimeout(() => { this.viewportScroller.scrollToAnchor(e.anchor) }) return } if (e.position) { return this.viewportScroller.scrollToPosition(e.position) } if (resetScroll) { return this.viewportScroller.scrollToPosition([ 0, 0 ]) } }) const navigationEndEvent = eventsObs.pipe(filter((e: Event): e is NavigationEnd => e instanceof NavigationEnd)) // When we add the a-state parameter, we don't want to alter the scroll navigationEndEvent.pipe(pairwise()) .subscribe(([ e1, e2 ]) => { try { resetScroll = false const previousUrl = new URL(window.location.origin + e1.urlAfterRedirects) const nextUrl = new URL(window.location.origin + e2.urlAfterRedirects) if (previousUrl.pathname !== nextUrl.pathname) { resetScroll = true return } const nextSearchParams = nextUrl.searchParams nextSearchParams.delete('a-state') const previousSearchParams = previousUrl.searchParams nextSearchParams.sort() previousSearchParams.sort() if (nextSearchParams.toString() !== previousSearchParams.toString()) { resetScroll = true } } catch (e) { console.error('Cannot parse URL to check next scroll.', e) resetScroll = true } }) navigationEndEvent.pipe( map(() => window.location.pathname), filter(pathname => !pathname || pathname === '/' || is18nPath(pathname)) ).subscribe(() => this.redirectService.redirectToHomepage(true)) navigationEndEvent.subscribe(e => { this.hooks.runAction('action:router.navigation-end', 'common', { path: e.url }) }) eventsObs.pipe( filter((e: Event): e is GuardsCheckStart => e instanceof GuardsCheckStart), filter(() => this.screenService.isInSmallView() || this.screenService.isInTouchScreen()) ).subscribe(() => this.menu.setMenuDisplay(false)) // User clicked on a link in the menu, change the page } private injectBroadcastMessage () { concat( this.serverService.getConfig().pipe(first()), this.serverService.configReloaded ).subscribe(async config => { this.broadcastMessage = null this.screenService.isBroadcastMessageDisplayed = false const messageConfig = config.broadcastMessage if (messageConfig.enabled) { // Already dismissed this message? if (messageConfig.dismissable && localStorage.getItem(AppComponent.BROADCAST_MESSAGE_KEY) === messageConfig.message) { return } const classes: { [id in BroadcastMessageLevel]: string } = { info: 'alert-info', warning: 'alert-warning', error: 'alert-danger' } this.broadcastMessage = { message: await this.markdownService.completeMarkdownToHTML(messageConfig.message), dismissable: messageConfig.dismissable, class: classes[messageConfig.level] } this.screenService.isBroadcastMessageDisplayed = true } }) } private injectJS () { // Inject JS this.serverService.getConfig() .subscribe(config => { if (config.instance.customizations.javascript) { try { // tslint:disable:no-eval eval(config.instance.customizations.javascript) } catch (err) { console.error('Cannot eval custom JavaScript.', err) } } }) } private injectCSS () { // Inject CSS if modified (admin config settings) concat( this.serverService.getConfig().pipe(first()), this.serverService.configReloaded ).subscribe(config => { const headStyle = document.querySelector('style.custom-css-style') if (headStyle) headStyle.parentNode.removeChild(headStyle) // We test customCSS if the admin removed the css if (this.customCSS || config.instance.customizations.css) { const styleTag = '' this.customCSS = this.domSanitizer.bypassSecurityTrustHtml(styleTag) } }) } private async loadPlugins () { this.pluginService.initializePlugins() this.hooks.runAction('action:application.init', 'common') } private async openModalsIfNeeded () { this.authService.userInformationLoaded .pipe( map(() => this.authService.getUser()), filter(user => user.role === UserRole.ADMINISTRATOR) ).subscribe(user => setTimeout(() => this._openAdminModalsIfNeeded(user))) // setTimeout because of ngIf in template } private async _openAdminModalsIfNeeded (user: User) { if (user.noWelcomeModal !== true) return this.welcomeModal.show() if (user.noInstanceConfigWarningModal === true || !this.serverConfig.signup.allowed) return this.instanceService.getAbout() .subscribe(about => { if ( this.serverConfig.instance.name.toLowerCase() === 'peertube' || !about.instance.terms || !about.instance.administrator || !about.instance.maintenanceLifetime ) { this.instanceConfigWarningModal.show(about) } }) } private initHotkeys () { this.hotkeysService.add([ new Hotkey(['/', 's'], (event: KeyboardEvent): boolean => { document.getElementById('search-video').focus() return false }, undefined, $localize`Focus the search bar`), new Hotkey('b', (event: KeyboardEvent): boolean => { this.menu.toggleMenu() return false }, undefined, $localize`Toggle the left menu`), new Hotkey('g o', (event: KeyboardEvent): boolean => { this.router.navigate([ '/videos/overview' ]) return false }, undefined, $localize`Go to the discover videos page`), new Hotkey('g t', (event: KeyboardEvent): boolean => { this.router.navigate([ '/videos/trending' ]) return false }, undefined, $localize`Go to the trending videos page`), new Hotkey('g r', (event: KeyboardEvent): boolean => { this.router.navigate([ '/videos/recently-added' ]) return false }, undefined, $localize`Go to the recently added videos page`), new Hotkey('g l', (event: KeyboardEvent): boolean => { this.router.navigate([ '/videos/local' ]) return false }, undefined, $localize`Go to the local videos page`), new Hotkey('g u', (event: KeyboardEvent): boolean => { this.router.navigate([ '/videos/upload' ]) return false }, undefined, $localize`Go to the videos upload page`) ]) } }