1use crate::{
  2    ItemNavHistory, WorkspaceId,
  3    item::{Item, ItemEvent},
  4};
  5use call::{RemoteVideoTrack, RemoteVideoTrackView, Room};
  6use client::{User, proto::PeerId};
  7use gpui::{
  8    AppContext as _, Entity, EventEmitter, FocusHandle, Focusable, InteractiveElement,
  9    ParentElement, Render, SharedString, Styled, div,
 10};
 11use std::sync::Arc;
 12use ui::{Icon, IconName, prelude::*};
 13
 14pub enum Event {
 15    Close,
 16}
 17
 18pub struct SharedScreen {
 19    pub peer_id: PeerId,
 20    user: Arc<User>,
 21    nav_history: Option<ItemNavHistory>,
 22    view: Entity<RemoteVideoTrackView>,
 23    focus: FocusHandle,
 24}
 25
 26impl SharedScreen {
 27    pub fn new(
 28        track: RemoteVideoTrack,
 29        peer_id: PeerId,
 30        user: Arc<User>,
 31        room: Entity<Room>,
 32        window: &mut Window,
 33        cx: &mut Context<Self>,
 34    ) -> Self {
 35        let my_sid = track.sid();
 36        cx.subscribe(&room, move |_, _, ev, cx| match ev {
 37            call::room::Event::RemoteVideoTrackUnsubscribed { sid } => {
 38                if sid == &my_sid {
 39                    cx.emit(Event::Close)
 40                }
 41            }
 42            _ => {}
 43        })
 44        .detach();
 45
 46        let view = cx.new(|cx| RemoteVideoTrackView::new(track.clone(), window, cx));
 47        cx.subscribe(&view, |_, _, ev, cx| match ev {
 48            call::RemoteVideoTrackViewEvent::Close => cx.emit(Event::Close),
 49        })
 50        .detach();
 51        Self {
 52            view,
 53            peer_id,
 54            user,
 55            nav_history: Default::default(),
 56            focus: cx.focus_handle(),
 57        }
 58    }
 59}
 60
 61impl EventEmitter<Event> for SharedScreen {}
 62
 63impl Focusable for SharedScreen {
 64    fn focus_handle(&self, _: &App) -> FocusHandle {
 65        self.focus.clone()
 66    }
 67}
 68impl Render for SharedScreen {
 69    fn render(&mut self, _window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
 70        div()
 71            .bg(cx.theme().colors().editor_background)
 72            .track_focus(&self.focus)
 73            .key_context("SharedScreen")
 74            .size_full()
 75            .child(self.view.clone())
 76    }
 77}
 78
 79impl Item for SharedScreen {
 80    type Event = Event;
 81
 82    fn tab_tooltip_text(&self, _: &App) -> Option<SharedString> {
 83        Some(format!("{}'s screen", self.user.github_login).into())
 84    }
 85
 86    fn deactivated(&mut self, _window: &mut Window, cx: &mut Context<Self>) {
 87        if let Some(nav_history) = self.nav_history.as_mut() {
 88            nav_history.push::<()>(None, cx);
 89        }
 90    }
 91
 92    fn tab_icon(&self, _window: &Window, _cx: &App) -> Option<Icon> {
 93        Some(Icon::new(IconName::Screen))
 94    }
 95
 96    fn tab_content_text(&self, _detail: usize, _cx: &App) -> SharedString {
 97        format!("{}'s screen", self.user.github_login).into()
 98    }
 99
100    fn telemetry_event_text(&self) -> Option<&'static str> {
101        None
102    }
103
104    fn set_nav_history(
105        &mut self,
106        history: ItemNavHistory,
107        _window: &mut Window,
108        _cx: &mut Context<Self>,
109    ) {
110        self.nav_history = Some(history);
111    }
112
113    fn clone_on_split(
114        &self,
115        _workspace_id: Option<WorkspaceId>,
116        window: &mut Window,
117        cx: &mut Context<Self>,
118    ) -> Option<Entity<Self>> {
119        Some(cx.new(|cx| Self {
120            view: self.view.update(cx, |view, cx| view.clone(window, cx)),
121            peer_id: self.peer_id,
122            user: self.user.clone(),
123            nav_history: Default::default(),
124            focus: cx.focus_handle(),
125        }))
126    }
127
128    fn to_item_events(event: &Self::Event, mut f: impl FnMut(ItemEvent)) {
129        match event {
130            Event::Close => f(ItemEvent::CloseItem),
131        }
132    }
133}