* Add page exit prevention functionality to SettingsController * Update dictionary controller to use new page exit prevention system * Remove page-exit-prevention.js
180 lines
5.1 KiB
JavaScript
180 lines
5.1 KiB
JavaScript
/*
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* Copyright (C) 2020 Yomichan Authors
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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/* global
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* api
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* utilBackend
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* utilBackgroundIsolate
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*/
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class SettingsController extends EventDispatcher {
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constructor(profileIndex=0) {
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super();
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this._profileIndex = profileIndex;
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this._source = yomichan.generateId(16);
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this._pageExitPreventions = new Set();
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this._pageExitPreventionEventListeners = new EventListenerCollection();
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}
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get source() {
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return this._source;
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}
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get profileIndex() {
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return this._profileIndex;
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}
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set profileIndex(value) {
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if (this._profileIndex === value) { return; }
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this._setProfileIndex(value);
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}
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prepare() {
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yomichan.on('optionsUpdated', this._onOptionsUpdated.bind(this));
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}
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async save() {
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await api.optionsSave(this._source);
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}
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async getOptions() {
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const optionsContext = this.getOptionsContext();
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return await api.optionsGet(optionsContext);
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}
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async getOptionsFull() {
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return await api.optionsGetFull();
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}
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async getOptionsMutable() {
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const optionsContext = this.getOptionsContext();
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return utilBackend().getOptions(utilBackgroundIsolate(optionsContext));
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}
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async getOptionsFullMutable() {
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return utilBackend().getFullOptions();
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}
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async setAllSettings(value) {
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const profileIndex = value.profileCurrent;
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await api.setAllSettings(value, this._source);
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this._setProfileIndex(profileIndex);
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}
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async getSettings(targets) {
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return await this._getSettings(targets, {});
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}
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async getGlobalSettings(targets) {
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return await this._getSettings(targets, {scope: 'global'});
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}
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async getProfileSettings(targets) {
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return await this._getSettings(targets, {scope: 'profile'});
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}
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async modifySettings(targets) {
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return await this._modifySettings(targets, {});
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}
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async modifyGlobalSettings(targets) {
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return await this._modifySettings(targets, {scope: 'global'});
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}
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async modifyProfileSettings(targets) {
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return await this._modifySettings(targets, {scope: 'profile'});
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}
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async setGlobalSetting(path, value) {
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return await this.modifyGlobalSettings([{action: 'set', path, value}]);
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}
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async setProfileSetting(path, value) {
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return await this.modifyProfileSettings([{action: 'set', path, value}]);
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}
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getOptionsContext() {
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return {index: this._profileIndex};
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}
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preventPageExit() {
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const obj = {end: null};
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obj.end = this._endPreventPageExit.bind(this, obj);
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if (this._pageExitPreventionEventListeners.size === 0) {
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this._pageExitPreventionEventListeners.addEventListener(window, 'beforeunload', this._onBeforeUnload.bind(this), false);
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}
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this._pageExitPreventions.add(obj);
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return obj;
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}
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// Private
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_setProfileIndex(value) {
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this._profileIndex = value;
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this.trigger('optionsContextChanged');
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this._onOptionsUpdatedInternal();
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}
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_onOptionsUpdated({source}) {
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if (source === this._source) { return; }
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this._onOptionsUpdatedInternal();
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}
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async _onOptionsUpdatedInternal() {
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const optionsContext = this.getOptionsContext();
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const options = await this.getOptions();
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this.trigger('optionsChanged', {options, optionsContext});
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}
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_setupTargets(targets, extraFields) {
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return targets.map((target) => {
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target = Object.assign({}, extraFields, target);
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if (target.scope === 'profile') {
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target.optionsContext = this.getOptionsContext();
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}
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return target;
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});
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}
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async _getSettings(targets, extraFields) {
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targets = this._setupTargets(targets, extraFields);
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return await api.getSettings(targets);
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}
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async _modifySettings(targets, extraFields) {
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targets = this._setupTargets(targets, extraFields);
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return await api.modifySettings(targets, this._source);
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}
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_onBeforeUnload(e) {
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if (this._pageExitPreventions.size === 0) {
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return;
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}
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e.preventDefault();
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e.returnValue = '';
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return '';
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}
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_endPreventPageExit(obj) {
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this._pageExitPreventions.delete(obj);
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if (this._pageExitPreventions.size === 0) {
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this._pageExitPreventionEventListeners.removeAllEventListeners();
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}
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}
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}
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