snapshot of https://github.com/jitsi/jitsi-meet.git @ fd1749dd28f4138aa80234fc7f311b19aaffa0e7 (2026-09-15)

react/features/external-api/subscriber.ts

@@ -0,0 +1,73 @@
+import { getLocalParticipant } from '../base/participants/functions';
+import StateListenerRegistry from '../base/redux/StateListenerRegistry';
+import { appendSuffix } from '../display-name/functions';
+import { shouldDisplayTileView } from '../video-layout/functions';
+
+/**
+ * StateListenerRegistry provides a reliable way of detecting changes to
+ * preferred layout state and dispatching additional actions.
+ */
+StateListenerRegistry.register(
+    /* selector */ state => shouldDisplayTileView(state),
+    /* listener */ displayTileView => {
+        APP.API.notifyTileViewChanged(displayTileView);
+    });
+
+StateListenerRegistry.register(
+    /* selector */ state => state['features/base/settings'].displayName,
+    /* listener */ (displayName, store) => {
+        const localParticipant = getLocalParticipant(store.getState());
+        const { defaultLocalDisplayName } = store.getState()['features/base/config'];
+
+        // Initial setting of the display name happens on app
+        // initialization, before the local participant is ready. The initial
+        // settings is not desired to be fired anyways, only changes.
+        if (localParticipant) {
+            const { id } = localParticipant;
+
+            APP.API.notifyDisplayNameChanged(id, {
+                displayName,
+                formattedDisplayName: appendSuffix(
+                    displayName,
+                    defaultLocalDisplayName
+                )
+            });
+        }
+    });
+
+StateListenerRegistry.register(
+    /* selector */ state => state['features/base/settings'].email,
+    /* listener */ (email, store) => {
+        const localParticipant = getLocalParticipant(store.getState());
+
+        // Initial setting of the email happens on app
+        // initialization, before the local participant is ready. The initial
+        // settings is not desired to be fired anyways, only changes.
+        if (localParticipant) {
+            const { id } = localParticipant;
+
+            APP.API.notifyEmailChanged(id, {
+                email
+            });
+        }
+    });
+
+/**
+ * Updates the on stage participant value.
+ */
+StateListenerRegistry.register(
+    /* selector */ state => state['features/large-video'].participantId,
+    /* listener */ participantId => {
+        APP.API.notifyOnStageParticipantChanged(participantId);
+    }
+);
+
+/**
+ * Updates the on audio only value.
+ */
+StateListenerRegistry.register(
+    /* selector */ state => state['features/base/low-bandwidth-mode'].enabled,
+    /* listener */ enabled => {
+        APP.API.notifyLowBandwidthModeChanged(enabled);
+    }
+);