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, Task, 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| {
 37            if let call::room::Event::RemoteVideoTrackUnsubscribed { sid } = ev
 38                && sid == &my_sid
 39            {
 40                cx.emit(Event::Close)
 41            }
 42        })
 43        .detach();
 44
 45        let view = cx.new(|cx| RemoteVideoTrackView::new(track.clone(), window, cx));
 46        cx.subscribe(&view, |_, _, ev, cx| match ev {
 47            call::RemoteVideoTrackViewEvent::Close => cx.emit(Event::Close),
 48        })
 49        .detach();
 50        Self {
 51            view,
 52            peer_id,
 53            user,
 54            nav_history: Default::default(),
 55            focus: cx.focus_handle(),
 56        }
 57    }
 58}
 59
 60impl EventEmitter<Event> for SharedScreen {}
 61
 62impl Focusable for SharedScreen {
 63    fn focus_handle(&self, _: &App) -> FocusHandle {
 64        self.focus.clone()
 65    }
 66}
 67impl Render for SharedScreen {
 68    fn render(&mut self, _window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
 69        div()
 70            .bg(cx.theme().colors().editor_background)
 71            .track_focus(&self.focus)
 72            .key_context("SharedScreen")
 73            .size_full()
 74            .child(self.view.clone())
 75    }
 76}
 77
 78impl Item for SharedScreen {
 79    type Event = Event;
 80
 81    fn tab_tooltip_text(&self, _: &App) -> Option<SharedString> {
 82        Some(format!("{}'s screen", self.user.github_login).into())
 83    }
 84
 85    fn deactivated(&mut self, _window: &mut Window, cx: &mut Context<Self>) {
 86        if let Some(nav_history) = self.nav_history.as_mut() {
 87            nav_history.push::<()>(None, cx);
 88        }
 89    }
 90
 91    fn tab_icon(&self, _window: &Window, _cx: &App) -> Option<Icon> {
 92        Some(Icon::new(IconName::Screen))
 93    }
 94
 95    fn tab_content_text(&self, _detail: usize, _cx: &App) -> SharedString {
 96        format!("{}'s screen", self.user.github_login).into()
 97    }
 98
 99    fn telemetry_event_text(&self) -> Option<&'static str> {
100        None
101    }
102
103    fn set_nav_history(
104        &mut self,
105        history: ItemNavHistory,
106        _window: &mut Window,
107        _cx: &mut Context<Self>,
108    ) {
109        self.nav_history = Some(history);
110    }
111
112    fn clone_on_split(
113        &self,
114        _workspace_id: Option<WorkspaceId>,
115        window: &mut Window,
116        cx: &mut Context<Self>,
117    ) -> Task<Option<Entity<Self>>> {
118        Task::ready(Some(cx.new(|cx| Self {
119            view: self.view.update(cx, |view, cx| view.clone(window, cx)),
120            peer_id: self.peer_id,
121            user: self.user.clone(),
122            nav_history: Default::default(),
123            focus: cx.focus_handle(),
124        })))
125    }
126
127    fn to_item_events(event: &Self::Event, mut f: impl FnMut(ItemEvent)) {
128        match event {
129            Event::Close => f(ItemEvent::CloseItem),
130        }
131    }
132}