summaryrefslogtreecommitdiff
path: root/ext/fg/js/popup-proxy.js
blob: c29e9e558435043998bfc7b9d5f862339ee52e54 (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
/*
 * Copyright (C) 2019-2020  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 PopupProxy {
    constructor(depth, parentId, parentFrameId, url) {
        this._parentId = parentId;
        this._parentFrameId = parentFrameId;
        this._id = null;
        this._idPromise = null;
        this._depth = depth;
        this._url = url;
        this._apiSender = new FrontendApiSender();
    }

    // Public properties

    get parent() {
        return null;
    }

    get depth() {
        return this._depth;
    }

    get url() {
        return this._url;
    }

    // Public functions

    isProxy() {
        return true;
    }

    async setOptions(options) {
        const id = await this._getPopupId();
        return await this._invokeHostApi('setOptions', {id, options});
    }

    hide(changeFocus) {
        if (this._id === null) {
            return;
        }
        this._invokeHostApi('hide', {id: this._id, changeFocus});
    }

    async isVisible() {
        const id = await this._getPopupId();
        return await this._invokeHostApi('isVisible', {id});
    }

    setVisibleOverride(visible) {
        if (this._id === null) {
            return;
        }
        this._invokeHostApi('setVisibleOverride', {id, visible});
    }

    async containsPoint(x, y) {
        if (this._id === null) {
            return false;
        }
        return await this._invokeHostApi('containsPoint', {id: this._id, x, y});
    }

    async showContent(elementRect, writingMode, type=null, details=null) {
        const id = await this._getPopupId();
        elementRect = PopupProxy._convertDOMRectToJson(elementRect);
        return await this._invokeHostApi('showContent', {id, elementRect, writingMode, type, details});
    }

    async setCustomCss(css) {
        const id = await this._getPopupId();
        return await this._invokeHostApi('setCustomCss', {id, css});
    }

    clearAutoPlayTimer() {
        if (this._id === null) {
            return;
        }
        this._invokeHostApi('clearAutoPlayTimer', {id: this._id});
    }

    // Private

    _getPopupId() {
        if (this._idPromise === null) {
            this._idPromise = this._getPopupIdAsync();
        }
        return this._idPromise;
    }

    async _getPopupIdAsync() {
        const id = await this._invokeHostApi('createNestedPopup', {parentId: this._parentId});
        this._id = id;
        return id;
    }

    _invokeHostApi(action, params={}) {
        if (typeof this._parentFrameId !== 'number') {
            return Promise.reject(new Error('Invalid frame'));
        }
        return this._apiSender.invoke(action, params, `popup-proxy-host#${this._parentFrameId}`);
    }

    static _convertDOMRectToJson(domRect) {
        return {
            x: domRect.x,
            y: domRect.y,
            width: domRect.width,
            height: domRect.height
        };
    }
}