From cea32b86a3eae279b7b4728d99691c3451918189 Mon Sep 17 00:00:00 2001
From: Timo K <toger5@hotmail.de>
Date: Wed, 15 Apr 2026 16:46:42 +0200
Subject: [PATCH] remove reactive url param for showFooter

---
 src/UrlParams.ts                         | 20 --------------------
 src/state/CallViewModel/CallViewModel.ts | 17 +++++++----------
 2 files changed, 7 insertions(+), 30 deletions(-)

diff --git a/src/UrlParams.ts b/src/UrlParams.ts
index a256e0a4..3a972119 100644
--- a/src/UrlParams.ts
+++ b/src/UrlParams.ts
@@ -14,13 +14,11 @@ import {
   type RTCNotificationType,
 } from "matrix-js-sdk/lib/matrixrtc";
 import { pickBy } from "lodash-es";
-import { BehaviorSubject } from "rxjs";
 
 import { Config } from "./config/Config";
 import { type EncryptionSystem } from "./e2ee/sharedKeyManagement";
 import { E2eeType } from "./e2ee/e2eeType";
 import { platform } from "./Platform";
-import { type ObservableScope } from "./state/ObservableScope";
 
 interface RoomIdentifier {
   roomAlias: string | null;
@@ -620,24 +618,6 @@ export const useRoomIdentifier = (): RoomIdentifier => {
   );
 };
 
-let urlParams$ = undefined as BehaviorSubject<UrlParams> | undefined;
-export const observerUrlParams$ = (
-  scope: ObservableScope,
-): BehaviorSubject<UrlParams> => {
-  if (urlParams$ !== undefined) return urlParams$;
-  function updateUrlParams(): void {
-    console.log("[observerUrlParams$] update urlParams$");
-    urlParams$!.next(getUrlParams());
-  }
-
-  urlParams$ = new BehaviorSubject(getUrlParams());
-  window.addEventListener("hashchange", updateUrlParams);
-  scope.onEnd(() => {
-    window.removeEventListener("hashchange", updateUrlParams);
-  });
-  return urlParams$;
-};
-
 export function generateUrlSearchParams(
   roomId: string,
   encryptionSystem: EncryptionSystem,
diff --git a/src/state/CallViewModel/CallViewModel.ts b/src/state/CallViewModel/CallViewModel.ts
index 7bfe4630..28de1647 100644
--- a/src/state/CallViewModel/CallViewModel.ts
+++ b/src/state/CallViewModel/CallViewModel.ts
@@ -51,7 +51,6 @@ import { v4 as uuidv4 } from "uuid";
 import { type IMembershipManager } from "matrix-js-sdk/lib/matrixrtc/IMembershipManager";
 
 import {
-  and$,
   createToggle$,
   filterBehavior,
   generateItem,
@@ -83,7 +82,7 @@ import { constant, type Behavior } from "../Behavior";
 import { E2eeType } from "../../e2ee/e2eeType";
 import { MatrixKeyProvider } from "../../e2ee/matrixKeyProvider";
 import { type MuteStates } from "../MuteStates";
-import { getUrlParams, HeaderStyle, observerUrlParams$ } from "../../UrlParams";
+import { getUrlParams, HeaderStyle } from "../../UrlParams";
 import { type ProcessorState } from "../../livekit/TrackProcessorContext";
 import { ElementWidgetActions, widget } from "../../widget";
 import {
@@ -1317,13 +1316,9 @@ export function createCallViewModel$(
     windowMode$.pipe(map((mode) => mode !== "pip" && mode !== "flat")),
   );
 
-  const urlParams$ = observerUrlParams$(scope);
-  const showFooterUrlParams$ = urlParams$.pipe(
-    map(
-      ({ header, showControls }) =>
-        // with no header and no controls we always set showFooter to false.
-        !(header === HeaderStyle.None && showControls === false),
-    ),
+  const urlParams = getUrlParams();
+  const showFooterUrlParams = !(
+    urlParams.header === HeaderStyle.None && urlParams.showControls === false
   );
   const showFooterLayout$ = scope.behavior<boolean>(
     windowMode$.pipe(
@@ -1380,7 +1375,9 @@ export function createCallViewModel$(
     ),
   );
   const showFooter$ = scope.behavior(
-    and$(showFooterLayout$, showFooterUrlParams$),
+    showFooterLayout$.pipe(
+      map((showFooter) => showFooter && showFooterUrlParams),
+    ),
   );
   /**
    * Whether audio is currently being output through the earpiece.