Don't leave call when clicking on channel

crates/collab_ui/src/collab_panel.rs

@@ -1479,23 +1479,7 @@ impl CollabPanel {
                             });
                         }
                     }
-                    ListEntry::Channel { channel, .. } => {
-                        let is_active = maybe!({
-                            let call_channel = ActiveCall::global(cx)
-                                .read(cx)
-                                .room()?
-                                .read(cx)
-                                .channel_id()?;
-
-                            Some(call_channel == channel.id)
-                        })
-                        .unwrap_or(false);
-                        if is_active {
-                            self.open_channel_notes(channel.id, cx)
-                        } else {
-                            self.open_channel(channel.id, cx)
-                        }
-                    }
+                    ListEntry::Channel { channel, .. } => self.open_channel(channel.id, cx),
                     ListEntry::ContactPlaceholder => self.toggle_contact_finder(cx),
                     ListEntry::CallParticipant { user, peer_id, .. } => {
                         if Some(user) == self.user_store.read(cx).current_user().as_ref() {
@@ -1977,20 +1961,30 @@ impl CollabPanel {
             .detach_and_prompt_err("Call failed", cx, |_, _| None);
     }
 
-    fn open_channel(&self, channel_id: u64, cx: &mut ViewContext<Self>) {
+    fn open_channel(&mut self, channel_id: u64, cx: &mut ViewContext<Self>) {
         let Some(workspace) = self.workspace.upgrade() else {
             return;
         };
         let Some(handle) = cx.window_handle().downcast::<Workspace>() else {
             return;
         };
-        workspace::open_channel(
-            channel_id,
-            workspace.read(cx).app_state().clone(),
-            Some(handle),
-            cx,
-        )
-        .detach_and_prompt_err("Failed to join channel", cx, |_, _| None)
+        let is_in_call = ActiveCall::global(cx)
+            .read(cx)
+            .room()
+            .map(|room| room.read(cx).in_call())
+            .unwrap_or(false);
+        if !is_in_call {
+            workspace::open_channel(
+                channel_id,
+                workspace.read(cx).app_state().clone(),
+                Some(handle),
+                cx,
+            )
+            .detach_and_prompt_err("Failed to join channel", cx, |_, _| None);
+        }
+
+        self.open_channel_notes(channel_id, cx);
+        self.join_channel_chat(channel_id, cx);
     }
 
     fn join_channel_call(&mut self, _channel_id: ChannelId, cx: &mut ViewContext<Self>) {
@@ -2590,8 +2584,6 @@ impl CollabPanel {
                     )
                     .on_click(cx.listener(move |this, _, cx| {
                         this.open_channel(channel_id, cx);
-                        this.open_channel_notes(channel_id, cx);
-                        this.join_channel_chat(channel_id, cx);
                     }))
                     .on_secondary_mouse_down(cx.listener(
                         move |this, event: &MouseDownEvent, cx| {