summaryrefslogtreecommitdiff
path: root/ext/fg/js/popup-proxy-host.js
blob: 5edee8dddfc4234442adf2b38d5d2e0ef749aa38 (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
/*
 * Copyright (C) 2019 Alex Yatskov <alex@foosoft.net>
 * Author: Alex Yatskov <alex@foosoft.net>
 *
 * 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 <http://www.gnu.org/licenses/>.
 */


class PopupProxyHost {
    constructor() {
        this.popups = {};
        this.nextId = 0;
        this.apiReceiver = null;
        this.frameIdPromise = null;
    }

    static create() {
        const popupProxyHost = new PopupProxyHost();
        popupProxyHost.prepare();
        return popupProxyHost;
    }

    async prepare() {
        this.frameIdPromise = apiFrameInformationGet();
        const {frameId} = await this.frameIdPromise;
        if (typeof frameId !== 'number') { return; }

        this.apiReceiver = new FrontendApiReceiver(`popup-proxy-host#${frameId}`, {
            createNestedPopup: ({parentId}) => this.createNestedPopup(parentId),
            setOptions: ({id, options}) => this.setOptions(id, options),
            show: ({id, elementRect, options}) => this.show(id, elementRect, options),
            showOrphaned: ({id, elementRect, options}) => this.show(id, elementRect, options),
            hide: ({id, changeFocus}) => this.hide(id, changeFocus),
            setVisibleOverride: ({id, visible}) => this.setVisibleOverride(id, visible),
            containsPoint: ({id, x, y}) => this.containsPoint(id, x, y),
            termsShow: ({id, elementRect, writingMode, definitions, options, context}) => this.termsShow(id, elementRect, writingMode, definitions, options, context),
            kanjiShow: ({id, elementRect, writingMode, definitions, options, context}) => this.kanjiShow(id, elementRect, writingMode, definitions, options, context),
            clearAutoPlayTimer: ({id}) => this.clearAutoPlayTimer(id)
        });
    }

    createPopup(parentId) {
        const parent = (typeof parentId === 'string' && this.popups.hasOwnProperty(parentId) ? this.popups[parentId] : null);
        const depth = (parent !== null ? parent.depth + 1 : 0);
        const id = `${this.nextId}`;
        ++this.nextId;
        const popup = new Popup(id, depth, this.frameIdPromise);
        if (parent !== null) {
            popup.parent = parent;
            parent.child = popup;
        }
        this.popups[id] = popup;
        return popup;
    }

    async createNestedPopup(parentId) {
        return this.createPopup(parentId).id;
    }

    getPopup(id) {
        if (!this.popups.hasOwnProperty(id)) {
            throw new Error('Invalid popup ID');
        }

        return this.popups[id];
    }

    jsonRectToDOMRect(popup, jsonRect) {
        let x = jsonRect.x;
        let y = jsonRect.y;
        if (popup.parent !== null) {
            const popupRect = popup.parent.container.getBoundingClientRect();
            x += popupRect.x;
            y += popupRect.y;
        }
        return new DOMRect(x, y, jsonRect.width, jsonRect.height);
    }

    async setOptions(id, options) {
        const popup = this.getPopup(id);
        return await popup.setOptions(options);
    }

    async show(id, elementRect, options) {
        const popup = this.getPopup(id);
        elementRect = this.jsonRectToDOMRect(popup, elementRect);
        return await popup.show(elementRect, options);
    }

    async showOrphaned(id, elementRect, options) {
        const popup = this.getPopup(id);
        elementRect = this.jsonRectToDOMRect(popup, elementRect);
        return await popup.showOrphaned(elementRect, options);
    }

    async hide(id, changeFocus) {
        const popup = this.getPopup(id);
        return popup.hide(changeFocus);
    }

    async setVisibleOverride(id, visible) {
        const popup = this.getPopup(id);
        return popup.setVisibleOverride(visible);
    }

    async containsPoint(id, x, y) {
        const popup = this.getPopup(id);
        return await popup.containsPoint(x, y);
    }

    async termsShow(id, elementRect, writingMode, definitions, options, context) {
        const popup = this.getPopup(id);
        elementRect = this.jsonRectToDOMRect(popup, elementRect);
        if (!PopupProxyHost.popupCanShow(popup)) { return false; }
        return await popup.termsShow(elementRect, writingMode, definitions, options, context);
    }

    async kanjiShow(id, elementRect, writingMode, definitions, options, context) {
        const popup = this.getPopup(id);
        elementRect = this.jsonRectToDOMRect(popup, elementRect);
        if (!PopupProxyHost.popupCanShow(popup)) { return false; }
        return await popup.kanjiShow(elementRect, writingMode, definitions, options, context);
    }

    async clearAutoPlayTimer(id) {
        const popup = this.getPopup(id);
        return popup.clearAutoPlayTimer();
    }

    static popupCanShow(popup) {
        return popup.parent === null || popup.parent.isVisible();
    }
}

PopupProxyHost.instance = PopupProxyHost.create();