Merge remote-tracking branch 'remotes/upstream/develop' into tiles-start-positions

front/src/Stores/StreamableCollectionStore.ts

@@ -0,0 +1,36 @@
+import { derived, get, Readable, writable } from "svelte/store";
+import { ScreenSharingLocalMedia, screenSharingLocalMedia } from "./ScreenSharingStore";
+import { peerStore, screenSharingStreamStore } from "./PeerStore";
+import type { RemotePeer } from "../WebRtc/SimplePeer";
+import { LayoutMode } from "../WebRtc/LayoutManager";
+
+export type Streamable = RemotePeer | ScreenSharingLocalMedia;
+
+export const layoutModeStore = writable<LayoutMode>(LayoutMode.Presentation);
+
+/**
+ * A store that contains everything that can produce a stream (so the peers + the local screen sharing stream)
+ */
+function createStreamableCollectionStore(): Readable<Map<string, Streamable>> {
+    return derived(
+        [screenSharingStreamStore, peerStore, screenSharingLocalMedia],
+        ([$screenSharingStreamStore, $peerStore, $screenSharingLocalMedia], set) => {
+            const peers = new Map<string, Streamable>();
+
+            const addPeer = (peer: Streamable) => {
+                peers.set(peer.uniqueId, peer);
+            };
+
+            $screenSharingStreamStore.forEach(addPeer);
+            $peerStore.forEach(addPeer);
+
+            if ($screenSharingLocalMedia?.stream) {
+                addPeer($screenSharingLocalMedia);
+            }
+
+            set(peers);
+        }
+    );
+}
+
+export const streamableCollectionStore = createStreamableCollectionStore();