basic manual update stuff + update check bar

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

src/vector/platform/ElectronPlatform.js

@@ -17,7 +17,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-import VectorBasePlatform from './VectorBasePlatform';
+import VectorBasePlatform, {updateStateEnum} from './VectorBasePlatform';
 import dis from 'matrix-react-sdk/lib/dispatcher';
 import { _t } from 'matrix-react-sdk/lib/languageHandler';
 import q from 'q';
@@ -66,6 +66,7 @@ export default class ElectronPlatform extends VectorBasePlatform {
     constructor() {
         super();
         dis.register(_onAction);
+        this.updatable = Boolean(remote.autoUpdater.getFeedURL());
     }
 
     getHumanReadableName(): string {
@@ -137,10 +138,28 @@ export default class ElectronPlatform extends VectorBasePlatform {
         return q(remote.app.getVersion());
     }
 
-    pollForUpdate() {
-        // In electron we control the update process ourselves, since
-        // it needs to run in the main process, so we just run the timer
-        // loop in the main electron process instead.
+    checkForUpdate() { // manual update check for this platform
+        const deferred = q.defer();
+
+        const _onUpdateAvailable = function() {
+            electron.autoUpdater.removeListener('update-not-available', _onUpdateNotAvailable);
+            deferred.resolve(updateStateEnum.Downloading);
+        }
+
+        const _onUpdateNotAvailable = function() {
+            electron.autoUpdater.removeListener('update-available', _onUpdateAvailable);
+            deferred.resolve(updateStateEnum.NotAvailable);
+        }
+
+        electron.autoUpdater.once('update-available', _onUpdateAvailable);
+        electron.autoUpdater.once('update-not-available', _onUpdateNotAvailable);
+
+        electron.ipcRenderer.send('checkForUpdates');
+        return deferred.promise.timeout(10000).catch(() => {
+            electron.autoUpdater.removeListener('update-not-available', _onUpdateNotAvailable);
+            electron.autoUpdater.removeListener('update-available', _onUpdateAvailable);
+            return updateStateEnum.Error;
+        });
     }
 
     installUpdate() {

src/vector/platform/VectorBasePlatform.js

@@ -22,6 +22,13 @@ import { _t } from 'matrix-react-sdk/lib/languageHandler';
 
 import Favico from 'favico.js';
 
+export const updateStateEnum = {
+    Error: -1,
+    NotAvailable: 0,
+    Downloading: 1,
+    Ready: 2,
+};
+
 /**
  * Vector-specific extensions to the BasePlatform template
  */
@@ -35,6 +42,7 @@ export default class VectorBasePlatform extends BasePlatform {
         // so we'd need to fix that if enabling the animation.
         this.favicon = new Favico({animation: 'none'});
         this._updateFavicon();
+        this.updatable = true;
     }
 
     getHumanReadableName(): string {
@@ -80,13 +88,21 @@ export default class VectorBasePlatform extends BasePlatform {
     startUpdater() {
     }
 
+    /**
+     * Whether we can call checkForUpdate on this platform build
+     */
+    canSelfUpdate(): boolean {
+        return this.updatable;
+    }
+
     /**
      * 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>
      */
-    pollForUpdate() {
+    checkForUpdate(): Promise<number> {
     }
 
     /**

src/vector/platform/WebPlatform.js

@@ -17,7 +17,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-import VectorBasePlatform from './VectorBasePlatform';
+import VectorBasePlatform, {updateStateEnum} from './VectorBasePlatform';
 import request from 'browser-request';
 import dis from 'matrix-react-sdk/lib/dispatcher.js';
 import { _t } from 'matrix-react-sdk/lib/languageHandler';
@@ -135,12 +135,12 @@ export default class WebPlatform extends VectorBasePlatform {
     }
 
     startUpdater() {
-        this.pollForUpdate();
-        setInterval(this.pollForUpdate, POKE_RATE_MS);
+        this.checkForUpdate();
+        setInterval(this.checkForUpdate, POKE_RATE_MS);
     }
 
-    pollForUpdate() {
-        this._getVersion().done((ver) => {
+    checkForUpdate() {
+        return this._getVersion().then((ver) => {
             if (this.runningVersion === null) {
                 this.runningVersion = ver;
             } else if (this.runningVersion !== ver) {
@@ -149,9 +149,12 @@ export default class WebPlatform extends VectorBasePlatform {
                     currentVersion: this.runningVersion,
                     newVersion: ver,
                 });
+                return updateStateEnum.Ready;
             }
+            return updateStateEnum.NotAvailable;
         }, (err) => {
             console.error("Failed to poll for update", err);
+            return updateStateEnum.Error;
         });
     }