Give contextual feedback for manual update check instead of banner

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

src/dispatcher/actions.ts

@@ -45,8 +45,13 @@ export enum Action {
     ViewTooltip = "view_tooltip",
 
     /**
-     *  Forces the theme to reload. No additional payload information required.
+     * Forces the theme to reload. No additional payload information required.
      */
     RecheckTheme = "recheck_theme",
+
+    /**
+     * Response to manual update check, will fire multiple times during the update check.
+     */
+    CheckUpdates = "check_updates",
 }
 

src/dispatcher/payloads/CheckUpdatesPayload.ts

@@ -0,0 +1,33 @@
+/*
+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 { ActionPayload } from "../payloads";
+import { Action } from "../actions";
+import {UpdateCheckStatus} from "../../BasePlatform";
+
+export interface CheckUpdatesPayload extends ActionPayload {
+    action: Action.CheckUpdates,
+
+    /**
+     * The current phase of the manual update check.
+     */
+    status: UpdateCheckStatus;
+
+    /**
+     * Detail string relating to the current status, typically for error details.
+     */
+    detail?: string;
+}