174 lines
3.8 KiB
JavaScript
174 lines
3.8 KiB
JavaScript
import { isDesktopApplication } from '@/utils';
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import pull from 'lodash/pull';
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import { ProtectedActions } from 'snjs';
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export const AppStateEvents = {
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TagChanged: 1,
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NoteChanged: 2,
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PreferencesChanged: 3,
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PanelResized: 4,
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EditorFocused: 5,
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BeganBackupDownload: 6,
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EndedBackupDownload: 7,
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DesktopExtsReady: 8,
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WindowDidFocus: 9,
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WindowDidBlur: 10,
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};
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export const EventSources = {
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UserInteraction: 1,
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Script: 2
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};
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export class AppState {
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/* @ngInject */
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constructor(
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$timeout,
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$rootScope,
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application,
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godService
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) {
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this.$timeout = $timeout;
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this.$rootScope = $rootScope;
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this.application = application;
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this.godService = godService;
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this.observers = [];
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this.registerVisibilityObservers();
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}
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registerVisibilityObservers() {
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if (isDesktopApplication()) {
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this.$rootScope.$on('window-lost-focus', () => {
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this.notifyEvent(AppStateEvents.WindowDidBlur);
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});
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this.$rootScope.$on('window-gained-focus', () => {
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this.notifyEvent(AppStateEvents.WindowDidFocus);
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});
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} else {
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/* Tab visibility listener, web only */
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document.addEventListener('visibilitychange', (e) => {
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const visible = document.visibilityState === "visible";
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const event = visible
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? AppStateEvents.WindowDidFocus
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: AppStateEvents.WindowDidBlur;
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this.notifyEvent(event);
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});
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}
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}
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/** @returns A function that unregisters this observer */
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addObserver(callback) {
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this.observers.push(callback);
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return () => {
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pull(this.observers, callback);
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};
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}
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async notifyEvent(eventName, data) {
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/**
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* Timeout is particullary important so we can give all initial
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* controllers a chance to construct before propogting any events *
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*/
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return new Promise((resolve) => {
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this.$timeout(async () => {
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for (const callback of this.observers) {
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await callback(eventName, data);
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}
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resolve();
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});
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});
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}
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setSelectedTag(tag) {
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if (this.selectedTag === tag) {
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return;
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}
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const previousTag = this.selectedTag;
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this.selectedTag = tag;
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this.notifyEvent(
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AppStateEvents.TagChanged,
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{
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tag: tag,
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previousTag: previousTag
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}
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);
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}
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async setSelectedNote(note) {
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const run = async () => {
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const previousNote = this.selectedNote;
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this.selectedNote = note;
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await this.notifyEvent(
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AppStateEvents.NoteChanged,
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{ previousNote: previousNote }
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);
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};
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if (note && note.content.protected &&
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await this.application.privilegesManager.actionRequiresPrivilege(
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ProtectedActions.ViewProtectedNotes
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)) {
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this.godService.presentPrivilegesModal(
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ProtectedActions.ViewProtectedNotes,
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run
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);
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} else {
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run();
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}
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}
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getSelectedTag() {
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return this.selectedTag;
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}
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getSelectedNote() {
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return this.selectedNote;
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}
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setUserPreferences(preferences) {
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this.userPreferences = preferences;
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this.notifyEvent(
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AppStateEvents.PreferencesChanged
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);
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}
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panelDidResize({ name, collapsed }) {
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this.notifyEvent(
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AppStateEvents.PanelResized,
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{
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panel: name,
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collapsed: collapsed
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}
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);
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}
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editorDidFocus(eventSource) {
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this.notifyEvent(
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AppStateEvents.EditorFocused,
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{ eventSource: eventSource }
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);
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}
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beganBackupDownload() {
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this.notifyEvent(
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AppStateEvents.BeganBackupDownload
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);
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}
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endedBackupDownload({ success }) {
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this.notifyEvent(
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AppStateEvents.EndedBackupDownload,
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{ success: success }
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);
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}
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/**
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* When the desktop appplication extension server is ready.
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*/
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desktopExtensionsReady() {
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this.notifyEvent(
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AppStateEvents.DesktopExtsReady
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);
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}
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}
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