Convert NotificationControllers to TS

src/settings/controllers/NotificationControllers.ts

@@ -0,0 +1,84 @@
+/*
+Copyright 2017 Travis Ralston
+Copyright 2020 The Matrix.org Foundation C.I.C.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+import SettingController from "./SettingController";
+import {MatrixClientPeg} from '../../MatrixClientPeg';
+import { SettingLevel } from "../SettingLevel";
+
+// XXX: This feels wrong.
+import {PushProcessor} from "matrix-js-sdk/src/pushprocessor";
+
+// .m.rule.master being enabled means all events match that push rule
+// default action on this rule is dont_notify, but it could be something else
+function isPushNotifyDisabled(): boolean {
+    // Return the value of the master push rule as a default
+    const processor = new PushProcessor(MatrixClientPeg.get());
+    const masterRule = processor.getPushRuleById(".m.rule.master");
+
+    if (!masterRule) {
+        console.warn("No master push rule! Notifications are disabled for this user.");
+        return true;
+    }
+
+    // If the rule is enabled then check it does not notify on everything
+    return masterRule.enabled && !masterRule.actions.includes("notify");
+}
+
+function getNotifier(): any { // TODO: [TS] Formal type that doesn't cause a cyclical reference.
+    let Notifier = require('../../Notifier'); // avoids cyclical references
+    if (Notifier.default) Notifier = Notifier.default; // correct for webpack require() weirdness
+    return Notifier;
+}
+
+export class NotificationsEnabledController extends SettingController {
+    public getValueOverride(level: SettingLevel, roomId: string, calculatedValue: any, calculatedAtLevel: any): any {
+        if (!getNotifier().isPossible()) return false;
+
+        if (calculatedValue === null || calculatedAtLevel === "default") {
+            return !isPushNotifyDisabled();
+        }
+
+        return calculatedValue;
+    }
+
+    public onChange(level: SettingLevel, roomId: string, newValue) {
+        if (getNotifier().supportsDesktopNotifications()) {
+            getNotifier().setEnabled(newValue);
+        }
+    }
+}
+
+export class NotificationBodyEnabledController extends SettingController {
+    public getValueOverride(level: SettingLevel, roomId: string, calculatedValue: any): any {
+        if (!getNotifier().isPossible()) return false;
+
+        if (calculatedValue === null) {
+            return !isPushNotifyDisabled();
+        }
+
+        return calculatedValue;
+    }
+}
+
+export class AudioNotificationsEnabledController extends SettingController {
+    public getValueOverride(level: SettingLevel, roomId: string, calculatedValue: any): any {
+        if (!getNotifier().isPossible()) return false;
+
+        // Note: Audio notifications are *not* enabled by default.
+        return calculatedValue;
+    }
+}