Merge pull request #3992 from vector-im/t3chguy/electron_call_sleep

Prevent Power Save when in call (Electron)

electron_app/src/electron-main.js

@@ -138,6 +138,24 @@ electron.ipcMain.on('setBadgeCount', function(ev, count) {
     }
 });
 
+let powerSaveBlockerId;
+electron.ipcMain.on('app_onAction', function(ev, payload) {
+    switch (payload.action) {
+        case 'call_state':
+            if (powerSaveBlockerId && powerSaveBlockerId.isStarted(powerSaveBlockerId)) {
+                if (payload.state === 'ended') {
+                    electron.powerSaveBlocker.stop(powerSaveBlockerId);
+                }
+            } else {
+                if (payload.state === 'connected') {
+                    powerSaveBlockerId = electron.powerSaveBlocker.start('prevent-display-sleep');
+                }
+            }
+            break;
+    }
+});
+
+
 electron.app.commandLine.appendSwitch('--enable-usermedia-screen-capturing');
 
 const shouldQuit = electron.app.makeSingleInstance((commandLine, workingDirectory) => {
@@ -151,7 +169,7 @@ const shouldQuit = electron.app.makeSingleInstance((commandLine, workingDirector
 
 if (shouldQuit) {
     console.log("Other instance detected: exiting");
-    electron.app.quit()
+    electron.app.quit();
 }
 
 electron.app.on('ready', () => {

src/vector/platform/ElectronPlatform.js

@@ -54,7 +54,19 @@ function platformFriendlyName(): string {
     }
 }
 
+function _onAction(payload: Object) {
+    // Whitelist payload actions, no point sending most across
+    if (['call_state'].includes(payload.action)) {
+        ipcRenderer.send('app_onAction', payload);
+    }
+}
+
 export default class ElectronPlatform extends VectorBasePlatform {
+    constructor() {
+        super();
+        dis.register(_onAction);
+    }
+
     setNotificationCount(count: number) {
         if (this.notificationCount === count) return;
         super.setNotificationCount(count);
@@ -71,7 +83,6 @@ export default class ElectronPlatform extends VectorBasePlatform {
     }
 
     displayNotification(title: string, msg: string, avatarUrl: string, room: Object): Notification {
-
         // GNOME notification spec parses HTML tags for styling...
         // Electron Docs state all supported linux notification systems follow this markup spec
         // https://github.com/electron/electron/blob/master/docs/tutorial/desktop-environment-integration.md#linux