diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /toolkit/mozapps/extensions/LightweightThemeManager.sys.mjs | |
parent | Initial commit. (diff) | |
download | thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.tar.xz thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.zip |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'toolkit/mozapps/extensions/LightweightThemeManager.sys.mjs')
-rw-r--r-- | toolkit/mozapps/extensions/LightweightThemeManager.sys.mjs | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/toolkit/mozapps/extensions/LightweightThemeManager.sys.mjs b/toolkit/mozapps/extensions/LightweightThemeManager.sys.mjs new file mode 100644 index 0000000000..8a9225e8a7 --- /dev/null +++ b/toolkit/mozapps/extensions/LightweightThemeManager.sys.mjs @@ -0,0 +1,32 @@ +/* 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/. */ + +// 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; + +export 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 }; + }, +}; |