-
Notifications
You must be signed in to change notification settings - Fork 3.6k
/
theme.ts
66 lines (57 loc) · 2.19 KB
/
theme.ts
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
/**
* Copyright (c) Microsoft Corporation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { settings } from './uiUtils';
export function applyTheme() {
if ((document as any).playwrightThemeInitialized)
return;
(document as any).playwrightThemeInitialized = true;
document!.defaultView!.addEventListener('focus', (event: any) => {
if (event.target.document.nodeType === Node.DOCUMENT_NODE)
document.body.classList.remove('inactive');
}, false);
document!.defaultView!.addEventListener('blur', event => {
document.body.classList.add('inactive');
}, false);
const currentTheme = settings.getString('theme', 'light-mode');
const prefersDarkScheme = window.matchMedia('(prefers-color-scheme: dark)');
if (currentTheme === 'dark-mode' || prefersDarkScheme.matches)
document.body.classList.add('dark-mode');
}
type Theme = 'dark-mode' | 'light-mode';
const listeners = new Set<(theme: Theme) => void>();
export function toggleTheme() {
const oldTheme = settings.getString('theme', 'light-mode');
let newTheme: Theme;
if (oldTheme === 'dark-mode')
newTheme = 'light-mode';
else
newTheme = 'dark-mode';
if (oldTheme)
document.body.classList.remove(oldTheme);
document.body.classList.add(newTheme);
settings.setString('theme', newTheme);
for (const listener of listeners)
listener(newTheme);
}
export function addThemeListener(listener: (theme: 'light-mode' | 'dark-mode') => void) {
listeners.add(listener);
}
export function removeThemeListener(listener: (theme: Theme) => void) {
listeners.delete(listener);
}
export function currentTheme(): Theme {
return document.body.classList.contains('dark-mode') ? 'dark-mode' : 'light-mode';
}