init

react/features/mobile/wake-lock/middleware.ts

@@ -0,0 +1,35 @@
+import { activateKeepAwake, deactivateKeepAwake } from '@sayem314/react-native-keep-awake';
+
+import { getCurrentConference } from '../../base/conference/functions';
+import StateListenerRegistry from '../../base/redux/StateListenerRegistry';
+
+/**
+ * State listener that activates or deactivates the wake lock accordingly. If
+ * the wake lock is active, it will prevent the screen from dimming.
+ */
+StateListenerRegistry.register(
+    /* selector */ state => {
+        const { enabled: audioOnly } = state['features/base/audio-only'];
+        const conference = getCurrentConference(state);
+
+        return Boolean(conference && !audioOnly);
+    },
+    /* listener */ wakeLock => _setWakeLock(wakeLock)
+);
+
+/**
+ * Activates/deactivates the wake lock. If the wake lock is active, it will
+ * prevent the screen from dimming.
+ *
+ * @param {boolean} wakeLock - True to active the wake lock or false to
+ * deactivate it.
+ * @private
+ * @returns {void}
+ */
+function _setWakeLock(wakeLock: boolean) {
+    if (wakeLock) {
+        activateKeepAwake();
+    } else {
+        deactivateKeepAwake();
+    }
+}