import { Component, OnInit, ViewChild } from '@angular/core' import { DomSanitizer, SafeHtml } from '@angular/platform-browser' import { Event, GuardsCheckStart, NavigationEnd, Router, Scroll } from '@angular/router' import { AuthService, RedirectService, ServerService, ThemeService } from '@app/core' import { is18nPath } from '../../../shared/models/i18n' import { ScreenService } from '@app/shared/misc/screen.service' import { debounceTime, filter, map, pairwise, skip, switchMap } from 'rxjs/operators' import { Hotkey, HotkeysService } from 'angular2-hotkeys' import { I18n } from '@ngx-translate/i18n-polyfill' import { fromEvent } from 'rxjs' import { PlatformLocation, ViewportScroller } from '@angular/common' import { PluginService } from '@app/core/plugins/plugin.service' import { HooksService } from '@app/core/plugins/hooks.service' import { NgbModal } from '@ng-bootstrap/ng-bootstrap' import { POP_STATE_MODAL_DISMISS } from '@app/shared/misc/constants' import { WelcomeModalComponent } from '@app/modal/welcome-modal.component' import { InstanceConfigWarningModalComponent } from '@app/modal/instance-config-warning-modal.component' import { UserRole } from '@shared/models' import { User } from '@app/shared' import { InstanceService } from '@app/shared/instance/instance.service' @Component({ selector: 'my-app', templateUrl: './app.component.html', styleUrls: [ './app.component.scss' ] }) export class AppComponent implements OnInit { @ViewChild('welcomeModal', { static: false }) welcomeModal: WelcomeModalComponent @ViewChild('instanceConfigWarningModal', { static: false }) instanceConfigWarningModal: InstanceConfigWarningModalComponent isMenuDisplayed = true isMenuChangedByUser = false customCSS: SafeHtml constructor ( private i18n: I18n, 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 ) { } get serverVersion () { return this.serverService.getConfig().serverVersion } get serverCommit () { const commit = this.serverService.getConfig().serverCommit || '' return (commit !== '') ? '...' + commit : commit } get instanceName () { return this.serverService.getConfig().instance.name } get defaultRoute () { return RedirectService.DEFAULT_ROUTE } ngOnInit () { document.getElementById('incompatible-browser').className += ' browser-ok' 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() } // Load custom data from server this.serverService.loadConfig() this.serverService.loadVideoCategories() this.serverService.loadVideoLanguages() this.serverService.loadVideoLicences() this.serverService.loadVideoPrivacies() this.serverService.loadVideoPlaylistPrivacies() this.loadPlugins() this.themeService.initialize() // Do not display menu on small screens if (this.screenService.isInSmallView()) { this.isMenuDisplayed = false } this.initRouteEvents() this.injectJS() this.injectCSS() this.initHotkeys() fromEvent(window, 'resize') .pipe(debounceTime(200)) .subscribe(() => this.onResize()) this.location.onPopState(() => this.modalService.dismissAll(POP_STATE_MODAL_DISMISS)) this.openModalsIfNeeded() } isUserLoggedIn () { return this.authService.isLoggedIn() } toggleMenu () { this.isMenuDisplayed = !this.isMenuDisplayed this.isMenuChangedByUser = true } onResize () { this.isMenuDisplayed = window.innerWidth >= 800 && !this.isMenuChangedByUser } 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 => { if (e.position) { return this.viewportScroller.scrollToPosition(e.position) } if (e.anchor) { return this.viewportScroller.scrollToAnchor(e.anchor) } 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()) ).subscribe(() => this.isMenuDisplayed = false) // User clicked on a link in the menu, change the page } private injectJS () { // Inject JS this.serverService.configLoaded .subscribe(() => { const config = this.serverService.getConfig() 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) this.serverService.configLoaded .pipe(skip(1)) // We only want to subscribe to reloads, because the CSS is already injected by the server .subscribe(() => { const headStyle = document.querySelector('style.custom-css-style') if (headStyle) headStyle.parentNode.removeChild(headStyle) const config = this.serverService.getConfig() // 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.serverService.configLoaded .pipe( switchMap(() => this.authService.userInformationLoaded), map(() => this.authService.getUser()), filter(user => user.role === UserRole.ADMINISTRATOR) ).subscribe(user => setTimeout(() => this.openAdminModals(user))) // setTimeout because of ngIf in template } private async openAdminModals (user: User) { if (user.noWelcomeModal !== true) return this.welcomeModal.show() const config = this.serverService.getConfig() if (user.noInstanceConfigWarningModal === true || !config.signup.allowed) return this.instanceService.getAbout() .subscribe(about => { if ( config.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, this.i18n('Focus the search bar')), new Hotkey('b', (event: KeyboardEvent): boolean => { this.toggleMenu() return false }, undefined, this.i18n('Toggle the left menu')), new Hotkey('g o', (event: KeyboardEvent): boolean => { this.router.navigate([ '/videos/overview' ]) return false }, undefined, this.i18n('Go to the discover videos page')), new Hotkey('g t', (event: KeyboardEvent): boolean => { this.router.navigate([ '/videos/trending' ]) return false }, undefined, this.i18n('Go to the trending videos page')), new Hotkey('g r', (event: KeyboardEvent): boolean => { this.router.navigate([ '/videos/recently-added' ]) return false }, undefined, this.i18n('Go to the recently added videos page')), new Hotkey('g l', (event: KeyboardEvent): boolean => { this.router.navigate([ '/videos/local' ]) return false }, undefined, this.i18n('Go to the local videos page')), new Hotkey('g u', (event: KeyboardEvent): boolean => { this.router.navigate([ '/videos/upload' ]) return false }, undefined, this.i18n('Go to the videos upload page')) ]) } }