move all logic, make bar more generic

pass through actual errors
and tidy
needs testing

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

src/vector/platform/VectorBasePlatform.js

@@ -19,12 +19,13 @@ limitations under the License.
 
 import BasePlatform from 'matrix-react-sdk/lib/BasePlatform';
 import { _t } from 'matrix-react-sdk/lib/languageHandler';
+import dis from 'matrix-react-sdk/lib/dispatcher';
 
 import Favico from 'favico.js';
 
-export const updateStateEnum = {
+export const updateCheckStatusEnum = {
+    CHECKING: 'CHECKING',
     ERROR: 'ERROR',
-    TIMEOUT: 'TIMEOUT',
     NOTAVAILABLE: 'NOTAVAILABLE',
     DOWNLOADING: 'DOWNLOADING',
     READY: 'READY',
@@ -42,8 +43,12 @@ export default class VectorBasePlatform extends BasePlatform {
         // and we set the state each time, even if the value hasn't changed,
         // so we'd need to fix that if enabling the animation.
         this.favicon = new Favico({animation: 'none'});
+        this.showUpdateCheck = false;
         this._updateFavicon();
         this.updatable = true;
+
+        this.startUpdateCheck = this.startUpdateCheck.bind(this);
+        this.stopUpdateCheck = this.stopUpdateCheck.bind(this);
     }
 
     getHumanReadableName(): string {
@@ -96,14 +101,30 @@ export default class VectorBasePlatform extends BasePlatform {
         return this.updatable;
     }
 
+    startUpdateCheck() {
+        this.showUpdateCheck = true;
+        dis.dispatch({
+            action: 'check_updates',
+            value: { status: updateCheckStatusEnum.CHECKING },
+        });
+    }
+
+    stopUpdateCheck() {
+        this.showUpdateCheck = false;
+        dis.dispatch({
+            action: 'check_updates',
+            value: false,
+        })
+    }
+
     /**
      * Check for the availability of an update to the version of the
      * app that's currently running.
      * If an update is available, this function should dispatch the
      * 'new_version' action.
-     * @returns Promise<updateStateEnum>
+     * @returns Promise<updateCheckStatusEnum>
      */
-    checkForUpdate(): Promise<number> {
+    pollForUpdate(): Promise<number> {
     }
 
     /**