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

front/src/Stores/PrivacyShutdownStore.ts

@@ -0,0 +1,36 @@
+import { get, writable } from "svelte/store";
+import { peerStore } from "./PeerStore";
+import { visibilityStore } from "./VisibilityStore";
+
+/**
+ * A store that contains "true" if the webcam should be stopped for privacy reasons - i.e. if the the user left the the page while not in a discussion.
+ */
+function createPrivacyShutdownStore() {
+    let privacyEnabled = false;
+
+    const { subscribe, set, update } = writable(privacyEnabled);
+
+    visibilityStore.subscribe((isVisible) => {
+        if (!isVisible && get(peerStore).size === 0) {
+            privacyEnabled = true;
+            set(true);
+        }
+        if (isVisible) {
+            privacyEnabled = false;
+            set(false);
+        }
+    });
+
+    peerStore.subscribe((peers) => {
+        if (peers.size === 0 && get(visibilityStore) === false) {
+            privacyEnabled = true;
+            set(true);
+        }
+    });
+
+    return {
+        subscribe,
+    };
+}
+
+export const privacyShutdownStore = createPrivacyShutdownStore();