Add call status indicator to the status bar

crates/call/src/call.rs

@@ -1,3 +1,4 @@
+mod indicator;
 pub mod participant;
 pub mod room;
 
@@ -5,18 +6,22 @@ use anyhow::{anyhow, Result};
 use client::{proto, Client, TypedEnvelope, User, UserStore};
 use collections::HashSet;
 use gpui::{
-    AppContext, AsyncAppContext, Entity, ModelContext, ModelHandle, MutableAppContext,
-    Subscription, Task, WeakModelHandle,
+    actions, AppContext, AsyncAppContext, Entity, ModelContext, ModelHandle, MutableAppContext,
+    Subscription, Task, ViewHandle, WeakModelHandle,
 };
+use indicator::SharingStatusIndicator;
 pub use participant::ParticipantLocation;
 use postage::watch;
 use project::Project;
 pub use room::Room;
 use std::sync::Arc;
 
+actions!(collab, [ToggleScreenSharing]);
+
 pub fn init(client: Arc<Client>, user_store: ModelHandle<UserStore>, cx: &mut MutableAppContext) {
     let active_call = cx.add_model(|cx| ActiveCall::new(client, user_store, cx));
     cx.set_global(active_call);
+    cx.add_global_action(toggle_screen_sharing);
 }
 
 #[derive(Clone)]
@@ -37,6 +42,7 @@ pub struct ActiveCall {
     ),
     client: Arc<Client>,
     user_store: ModelHandle<UserStore>,
+    sharing_status_indicator: Option<(usize, ViewHandle<SharingStatusIndicator>)>,
     _subscriptions: Vec<client::Subscription>,
 }
 
@@ -61,6 +67,7 @@ impl ActiveCall {
             ],
             client,
             user_store,
+            sharing_status_indicator: None,
         }
     }
 
@@ -279,6 +286,8 @@ impl ActiveCall {
                                 this.set_room(None, cx).detach_and_log_err(cx);
                             }
 
+                            this.set_sharing_status(room.read(cx).is_screen_sharing(), cx);
+
                             cx.notify();
                         }),
                         cx.subscribe(&room, |_, _, event, cx| cx.emit(event.clone())),
@@ -303,4 +312,28 @@ impl ActiveCall {
     pub fn pending_invites(&self) -> &HashSet<u64> {
         &self.pending_invites
     }
+
+    pub fn set_sharing_status(&mut self, is_screen_sharing: bool, cx: &mut MutableAppContext) {
+        if is_screen_sharing {
+            if self.sharing_status_indicator.is_none() {
+                self.sharing_status_indicator =
+                    Some(cx.add_status_bar_item(|_| SharingStatusIndicator));
+            }
+        } else if let Some((window_id, _)) = self.sharing_status_indicator.take() {
+            cx.remove_status_bar_item(window_id);
+        }
+    }
+}
+
+pub fn toggle_screen_sharing(_: &ToggleScreenSharing, cx: &mut MutableAppContext) {
+    if let Some(room) = ActiveCall::global(cx).read(cx).room().cloned() {
+        let toggle_screen_sharing = room.update(cx, |room, cx| {
+            if room.is_screen_sharing() {
+                Task::ready(room.unshare_screen(cx))
+            } else {
+                room.share_screen(cx)
+            }
+        });
+        toggle_screen_sharing.detach_and_log_err(cx);
+    }
 }

crates/call/src/indicator.rs

@@ -0,0 +1,39 @@
+use gpui::{
+    color::Color,
+    elements::{MouseEventHandler, Svg},
+    Appearance, Element, ElementBox, Entity, MouseButton, RenderContext, View,
+};
+
+use crate::ToggleScreenSharing;
+
+pub struct SharingStatusIndicator;
+
+impl Entity for SharingStatusIndicator {
+    type Event = ();
+}
+
+impl View for SharingStatusIndicator {
+    fn ui_name() -> &'static str {
+        "SharingStatusIndicator"
+    }
+
+    fn render(&mut self, cx: &mut RenderContext<'_, Self>) -> ElementBox {
+        let color = match cx.appearance {
+            Appearance::Light | Appearance::VibrantLight => Color::black(),
+            Appearance::Dark | Appearance::VibrantDark => Color::white(),
+        };
+
+        MouseEventHandler::<Self>::new(0, cx, |_, _| {
+            Svg::new("icons/disable_screen_sharing_12.svg")
+                .with_color(color)
+                .constrained()
+                .with_width(18.)
+                .aligned()
+                .boxed()
+        })
+        .on_click(MouseButton::Left, |_, cx| {
+            cx.dispatch_action(ToggleScreenSharing);
+        })
+        .boxed()
+    }
+}