blob: 78c2135e615aba36bc83e911b9358df29bb0750b (
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
|
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
"use strict";
var EXPORTED_SYMBOLS = ["LightweightThemeManager"];
// Holds optional fallback theme data that will be returned when no data for an
// active theme can be found. This the case for WebExtension Themes, for example.
var _fallbackThemeData = null;
var LightweightThemeManager = {
set fallbackThemeData(data) {
if (data && Object.getOwnPropertyNames(data).length) {
_fallbackThemeData = Object.assign({}, data);
} else {
_fallbackThemeData = null;
}
},
/*
* Returns the currently active theme, taking the fallback theme into account
* if we'd be using the default theme otherwise.
*
* This will always return the original theme data and not make use of
* locally persisted resources.
*/
get currentThemeWithFallback() {
return _fallbackThemeData && _fallbackThemeData.theme;
},
get themeData() {
return _fallbackThemeData || { theme: null };
},
};
|
