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/* 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/. */
const lazy = {};
ChromeUtils.defineESModuleGetters(lazy, {
AsyncShutdown: "resource://gre/modules/AsyncShutdown.sys.mjs",
});
class CleanupManagerClass {
constructor() {
this.handlers = new Set();
this.cleanupPromise = null;
}
addCleanupHandler(handler) {
this.handlers.add(handler);
}
removeCleanupHandler(handler) {
this.handlers.delete(handler);
}
async cleanup() {
if (this.cleanupPromise === null) {
this.cleanupPromise = (async () => {
for (const handler of this.handlers) {
try {
await handler();
} catch (ex) {
console.error(ex);
}
}
})();
// Block shutdown to ensure any cleanup tasks that write data are
// finished.
lazy.AsyncShutdown.profileBeforeChange.addBlocker(
"ShieldRecipeClient: Cleaning up",
this.cleanupPromise
);
}
return this.cleanupPromise;
}
}
export var CleanupManager = new CleanupManagerClass();
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