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
|
/*
* 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.container = null;
this.offset = 10;
}
show(rect, content) {
this.inject();
this.container.style.left = rect.x + 'px';
this.container.style.top = rect.y + 'px';
this.container.style.height = rect.height + 'px';
this.container.style.width = rect.width + 'px';
this.container.style.visibility = 'visible';
this.setContent(content);
}
showNextTo(elementRect, content) {
this.inject();
const containerStyle = window.getComputedStyle(this.container);
const containerHeight = parseInt(containerStyle.height);
const containerWidth = parseInt(containerStyle.width);
let x = elementRect.left;
let width = containerWidth;
if (x + width >= window.innerWidth) {
width = Math.min(width, x);
x = window.innerWidth - width;
}
let y = elementRect.bottom + this.offset;
let height = containerHeight;
if (y + height >= window.innerHeight) {
height = Math.min(height, y);
y = elementRect.top - height - this.offset;
}
this.show({x, y, width, height}, content);
}
visible() {
return this.container !== null && this.container.style.visibility !== 'hidden';
}
hide() {
if (this.container !== null) {
this.container.style.visibility = 'hidden';
}
}
setContent(content) {
if (this.container === null) {
return;
}
this.container.contentWindow.scrollTo(0, 0);
const doc = this.container.contentDocument;
doc.open();
doc.write(content);
doc.close();
}
invokeApi(action, params) {
if (this.container !== null) {
this.container.contentWindow.postMessage({action, params}, '*');
}
}
inject() {
if (this.container !== null) {
return;
}
this.container = document.createElement('iframe');
this.container.id = 'yomichan-popup';
this.container.addEventListener('mousedown', e => e.stopPropagation());
this.container.addEventListener('scroll', e => e.stopPropagation());
document.body.appendChild(this.container);
}
}
|