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
|
/*
* Copyright (C) 2016 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 Popup {
constructor() {
this.popup = null;
this.offset = 10;
}
showAt(pos, content) {
this.inject();
this.popup.style.left = pos.x + 'px';
this.popup.style.top = pos.y + 'px';
this.popup.style.visibility = 'visible';
this.setContent(content);
}
showNextTo(elementRect, content) {
this.inject();
const popupRect = this.popup.getBoundingClientRect();
let posX = elementRect.left;
if (posX + popupRect.width >= window.innerWidth) {
posX = window.innerWidth - popupRect.width;
}
let posY = elementRect.bottom + this.offset;
if (posY + popupRect.height >= window.innerHeight) {
posY = elementRect.top - popupRect.height - this.offset;
}
this.showAt({x: posX, y: posY}, content);
}
hide() {
if (this.popup !== null) {
this.popup.style.visibility = 'hidden';
}
}
setContent(content) {
if (this.popup === null) {
return;
}
const doc = this.popup.contentDocument;
doc.open();
doc.write(content);
doc.close();
}
sendMessage(action, params, callback) {
if (this.popup !== null) {
this.popup.contentWindow.postMessage({action: action, params: params}, '*');
}
}
inject() {
if (this.popup !== null) {
return;
}
this.popup = document.createElement('iframe');
this.popup.id = 'yomichan-popup';
this.popup.addEventListener('mousedown', (e) => e.stopPropagation());
this.popup.addEventListener('scroll', (e) => e.stopPropagation());
document.body.appendChild(this.popup);
}
}
|