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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
import { AppConstants } from "resource://gre/modules/AppConstants.sys.mjs";
const lazy = {};
ChromeUtils.defineESModuleGetters(lazy, {
WindowsRegistry: "resource://gre/modules/WindowsRegistry.sys.mjs",
});
// Reads and clears the registry value the Windows uninstaller writes
function readAndClearUninstalledValue() {
if (AppConstants.platform != "win") {
return false;
}
if (Services.prefs.getBoolPref("browser.disableResetPrompt", false)) {
return false;
}
let updateChannel;
try {
updateChannel = ChromeUtils.importESModule(
"resource://gre/modules/UpdateUtils.sys.mjs"
).UpdateUtils.UpdateChannel;
} catch (ex) {}
if (updateChannel) {
let uninstalledValue = lazy.WindowsRegistry.readRegKey(
Ci.nsIWindowsRegKey.ROOT_KEY_CURRENT_USER,
"Software\\Mozilla\\Firefox",
`Uninstalled-${updateChannel}`
);
let removalSuccessful = lazy.WindowsRegistry.removeRegKey(
Ci.nsIWindowsRegKey.ROOT_KEY_CURRENT_USER,
"Software\\Mozilla\\Firefox",
`Uninstalled-${updateChannel}`
);
return removalSuccessful && uninstalledValue == "True";
}
return false;
}
export const ReinstallCheck = {
_wasReinstalled: null,
/**
* @returns {boolean} whether Firefox was reinstalled since the previous run.
*/
get wasReinstalled() {
if (this._wasReinstalled === null) {
this._wasReinstalled = readAndClearUninstalledValue();
}
return this._wasReinstalled;
},
};