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Diffstat (limited to '')
-rw-r--r-- | remote/shared/messagehandler/test/browser/resources/modules/windowglobal/eventonprefchange.sys.mjs | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/remote/shared/messagehandler/test/browser/resources/modules/windowglobal/eventonprefchange.sys.mjs b/remote/shared/messagehandler/test/browser/resources/modules/windowglobal/eventonprefchange.sys.mjs new file mode 100644 index 0000000000..33cb25d10b --- /dev/null +++ b/remote/shared/messagehandler/test/browser/resources/modules/windowglobal/eventonprefchange.sys.mjs @@ -0,0 +1,33 @@ +/* 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/. */ + +import { Module } from "chrome://remote/content/shared/messagehandler/Module.sys.mjs"; + +const TEST_PREF = "remote.messagehandler.test.pref"; + +class EventOnPrefChangeModule extends Module { + constructor(messageHandler) { + super(messageHandler); + Services.prefs.addObserver(TEST_PREF, this.#onPreferenceUpdated); + } + + destroy() { + Services.prefs.removeObserver(TEST_PREF, this.#onPreferenceUpdated); + } + + #onPreferenceUpdated = () => { + this.emitEvent("preference-changed"); + }; + + /** + * Commands + */ + + ping() { + // We only use this command to force creating the module. + return 1; + } +} + +export const eventonprefchange = EventOnPrefChangeModule; |