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