Offer to join an update notification room

Close schildichat-desktop#64

src/components/structures/MatrixChat.tsx

@@ -66,6 +66,7 @@ import {
     showToast as showAnalyticsToast,
     hideToast as hideAnalyticsToast,
 } from "../../toasts/AnalyticsToast";
+import { showToast as showScUpdateRoomToast } from "../../toasts/ScUpdateAnnouncementsRoomToast";
 import {showToast as showNotificationsToast} from "../../toasts/DesktopNotificationsToast";
 import { OpenToTabPayload } from "../../dispatcher/payloads/OpenToTabPayload";
 import ErrorDialog from "../views/dialogs/ErrorDialog";
@@ -1287,6 +1288,9 @@ export default class MatrixChat extends React.PureComponent<IProps, IState> {
             // check if it has been dismissed before, etc.
             showMobileGuideToast();
         }
+        if (SettingsStore.getValue("scShowUpdateAnnouncementRoomToast")) {
+            showScUpdateRoomToast();
+        }
     }
 
     private showScreenAfterLogin() {

src/settings/Settings.tsx

@@ -303,6 +303,10 @@ export const SETTINGS: {[setting: string]: ISetting} = {
         supportedLevels: LEVELS_FEATURE,
         default: false,
     },
+    "scShowUpdateAnnouncementRoomToast": {
+        supportedLevels: LEVELS_DEVICE_ONLY_SETTINGS_WITH_CONFIG,
+        default: true,
+    },
     "advancedRoomListLogging": {
         // TODO: Remove flag before launch: https://github.com/vector-im/element-web/issues/14231
         displayName: _td("Enable advanced debugging for the room list"),

src/toasts/ScUpdateAnnouncementsRoomToast.ts

@@ -0,0 +1,99 @@
+/*
+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 { _t } from "../languageHandler";
+import dis from '../dispatcher/dispatcher';
+import GenericToast from "../components/views/toasts/GenericToast";
+import ToastStore from "../stores/ToastStore";
+import PlatformPeg from "../PlatformPeg";
+import SdkConfig from "../SdkConfig";
+import SettingsStore from "../settings/SettingsStore";
+import { SettingLevel } from "../settings/SettingLevel";
+
+const onAccept = () => {
+    const rs = SdkConfig.get()['sc_update_announcement_room'];
+
+    const dispatch = {
+        action: 'view_room',
+        auto_join: true,
+    };
+
+    if (rs.room_id_or_alias[0] === '!') {
+        dispatch["room_id"] = rs.room_id_or_alias;
+    } else if (rs.room_id_or_alias[0] === '#') {
+        dispatch["room_alias"] = rs.room_id_or_alias;
+    }
+
+    if (rs.via_servers) {
+        // For the join
+        dispatch["opts"] = {
+            // These are passed down to the js-sdk's /join call
+            viaServers: rs.via_servers,
+        };
+
+        // For if the join fails (rejoin button)
+        dispatch['via_servers'] = rs.via_servers;
+    }
+
+    dis.dispatch(dispatch);
+
+    // Now the room should be joined, no need to show it again
+    SettingsStore.setValue("scShowUpdateAnnouncementRoomToast", null, SettingLevel.DEVICE, false);
+
+    // ToDo: Figure out a way to check if the account has already joined the room
+    hideToast();
+};
+
+const onReject = () => {
+    // Don't show again
+    SettingsStore.setValue("scShowUpdateAnnouncementRoomToast", null, SettingLevel.DEVICE, false);
+
+    hideToast();
+};
+
+const TOAST_KEY = "scupdateannouncementroom";
+
+export const showToast = () => {
+    PlatformPeg.get().canSelfUpdate().then((b) => {
+        // if (b) return;
+
+        if (!SdkConfig.get()['sc_update_announcement_room']) return;
+
+        ToastStore.sharedInstance().addOrReplaceToast({
+            key: TOAST_KEY,
+            title: _t("Update notifications"),
+            props: {
+                description: _t(
+                    "Do you want to join a room notifying you about new releases? " +
+                    "This is especially useful if your platform doesn't support " +
+                    "automatic updates for SchildiChat (e.g. Windows and macOS).",
+                ),
+                acceptLabel: _t("Join"),
+                onAccept,
+                rejectLabel: _t("Don't ask again"),
+                onReject,
+            },
+            component: GenericToast,
+            priority: 20,
+        });
+    }).catch((e) => {
+        console.error("Error getting vector version: ", e);
+    });
+};
+
+export const hideToast = () => {
+    ToastStore.sharedInstance().dismissToast(TOAST_KEY);
+};