aboutsummaryrefslogtreecommitdiff
path: root/ext/bg/js/settings/settings-controller.js
blob: 4e61e05c638641c741f88a0cf3fe601193481930 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
/*
 * 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 refresh() {
        await this._onOptionsUpdatedInternal();
    }

    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;
    }

    // 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();
        }
    }
}