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
|
/*
* 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 = new Map();
this._nextId = 0;
this._apiReceiver = null;
this._frameIdPromise = null;
}
// Public functions
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#${frameId}`, new Map([
['createNestedPopup', ({parentId}) => this._onApiCreateNestedPopup(parentId)],
['setOptions', ({id, options}) => this._onApiSetOptions(id, options)],
['hide', ({id, changeFocus}) => this._onApiHide(id, changeFocus)],
['isVisibleAsync', ({id}) => this._onApiIsVisibleAsync(id)],
['setVisibleOverride', ({id, visible}) => this._onApiSetVisibleOverride(id, visible)],
['containsPoint', ({id, x, y}) => this._onApiContainsPoint(id, x, y)],
['showContent', ({id, elementRect, writingMode, type, details}) => this._onApiShowContent(id, elementRect, writingMode, type, details)],
['setCustomCss', ({id, css}) => this._onApiSetCustomCss(id, css)],
['clearAutoPlayTimer', ({id}) => this._onApiClearAutoPlayTimer(id)]
]));
}
createPopup(parentId, depth) {
const parent = (typeof parentId === 'string' && this._popups.has(parentId) ? this._popups.get(parentId) : null);
const id = `${this._nextId}`;
if (parent !== null) {
depth = parent.depth + 1;
}
++this._nextId;
const popup = new Popup(id, depth, this._frameIdPromise);
if (parent !== null) {
popup.parent = parent;
parent.child = popup;
}
this._popups.set(id, popup);
return popup;
}
// Message handlers
async _onApiCreateNestedPopup(parentId) {
return this.createPopup(parentId, 0).id;
}
async _onApiSetOptions(id, options) {
const popup = this._getPopup(id);
return await popup.setOptions(options);
}
async _onApiHide(id, changeFocus) {
const popup = this._getPopup(id);
return popup.hide(changeFocus);
}
async _onApiIsVisibleAsync(id) {
const popup = this._getPopup(id);
return await popup.isVisibleAsync();
}
async _onApiSetVisibleOverride(id, visible) {
const popup = this._getPopup(id);
return await popup.setVisibleOverride(visible);
}
async _onApiContainsPoint(id, x, y) {
const popup = this._getPopup(id);
return await popup.containsPoint(x, y);
}
async _onApiShowContent(id, elementRect, writingMode, type, details) {
const popup = this._getPopup(id);
elementRect = PopupProxyHost._convertJsonRectToDOMRect(popup, elementRect);
if (!PopupProxyHost._popupCanShow(popup)) { return Promise.resolve(false); }
return await popup.showContent(elementRect, writingMode, type, details);
}
async _onApiSetCustomCss(id, css) {
const popup = this._getPopup(id);
return popup.setCustomCss(css);
}
async _onApiClearAutoPlayTimer(id) {
const popup = this._getPopup(id);
return popup.clearAutoPlayTimer();
}
// Private functions
_getPopup(id) {
const popup = this._popups.get(id);
if (typeof popup === 'undefined') {
throw new Error('Invalid popup ID');
}
return popup;
}
static _convertJsonRectToDOMRect(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);
}
static _popupCanShow(popup) {
return popup.parent === null || popup.parent.isVisible();
}
}
PopupProxyHost.instance = PopupProxyHost.create();
|