collab_panel.rs

   1mod channel_modal;
   2mod contact_finder;
   3
   4use self::channel_modal::ChannelModal;
   5use crate::{
   6    channel_view::ChannelView, chat_panel::ChatPanel, face_pile::FacePile,
   7    CollaborationPanelSettings,
   8};
   9use call::ActiveCall;
  10use channel::{Channel, ChannelEvent, ChannelStore};
  11use client::{ChannelId, Client, Contact, ProjectId, User, UserStore};
  12use contact_finder::ContactFinder;
  13use db::kvp::KEY_VALUE_STORE;
  14use editor::{Editor, EditorElement, EditorStyle};
  15use fuzzy::{match_strings, StringMatchCandidate};
  16use gpui::{
  17    actions, anchored, canvas, deferred, div, fill, list, point, prelude::*, px, AnyElement,
  18    AppContext, AsyncWindowContext, Bounds, ClickEvent, ClipboardItem, DismissEvent, Div,
  19    EventEmitter, FocusHandle, FocusableView, FontStyle, FontWeight, InteractiveElement,
  20    IntoElement, ListOffset, ListState, Model, MouseDownEvent, ParentElement, Pixels, Point,
  21    PromptLevel, Render, SharedString, Styled, Subscription, Task, TextStyle, View, ViewContext,
  22    VisualContext, WeakView, WhiteSpace,
  23};
  24use menu::{Cancel, Confirm, SecondaryConfirm, SelectNext, SelectPrev};
  25use project::{Fs, Project};
  26use rpc::{
  27    proto::{self, ChannelVisibility, PeerId},
  28    ErrorCode, ErrorExt,
  29};
  30use serde_derive::{Deserialize, Serialize};
  31use settings::Settings;
  32use smallvec::SmallVec;
  33use std::{mem, sync::Arc};
  34use theme::{ActiveTheme, ThemeSettings};
  35use ui::{
  36    prelude::*, tooltip_container, Avatar, AvatarAvailabilityIndicator, Button, Color, ContextMenu,
  37    Icon, IconButton, IconName, IconSize, Indicator, Label, ListHeader, ListItem, Tooltip,
  38};
  39use util::{maybe, ResultExt, TryFutureExt};
  40use workspace::{
  41    dock::{DockPosition, Panel, PanelEvent},
  42    notifications::{DetachAndPromptErr, NotifyResultExt, NotifyTaskExt},
  43    OpenChannelNotes, Workspace,
  44};
  45
  46actions!(
  47    collab_panel,
  48    [
  49        ToggleFocus,
  50        Remove,
  51        Secondary,
  52        CollapseSelectedChannel,
  53        ExpandSelectedChannel,
  54        StartMoveChannel,
  55        MoveSelected,
  56        InsertSpace,
  57    ]
  58);
  59
  60#[derive(Debug, Copy, Clone, PartialEq, Eq)]
  61struct ChannelMoveClipboard {
  62    channel_id: ChannelId,
  63}
  64
  65const COLLABORATION_PANEL_KEY: &str = "CollaborationPanel";
  66
  67pub fn init(cx: &mut AppContext) {
  68    cx.observe_new_views(|workspace: &mut Workspace, _| {
  69        workspace.register_action(|workspace, _: &ToggleFocus, cx| {
  70            workspace.toggle_panel_focus::<CollabPanel>(cx);
  71        });
  72        workspace.register_action(|_, _: &OpenChannelNotes, cx| {
  73            let channel_id = ActiveCall::global(cx)
  74                .read(cx)
  75                .room()
  76                .and_then(|room| room.read(cx).channel_id());
  77
  78            if let Some(channel_id) = channel_id {
  79                let workspace = cx.view().clone();
  80                cx.window_context().defer(move |cx| {
  81                    ChannelView::open(channel_id, None, workspace, cx).detach_and_log_err(cx)
  82                });
  83            }
  84        });
  85    })
  86    .detach();
  87}
  88
  89#[derive(Debug)]
  90pub enum ChannelEditingState {
  91    Create {
  92        location: Option<ChannelId>,
  93        pending_name: Option<String>,
  94    },
  95    Rename {
  96        location: ChannelId,
  97        pending_name: Option<String>,
  98    },
  99}
 100
 101impl ChannelEditingState {
 102    fn pending_name(&self) -> Option<String> {
 103        match self {
 104            ChannelEditingState::Create { pending_name, .. } => pending_name.clone(),
 105            ChannelEditingState::Rename { pending_name, .. } => pending_name.clone(),
 106        }
 107    }
 108}
 109
 110pub struct CollabPanel {
 111    width: Option<Pixels>,
 112    fs: Arc<dyn Fs>,
 113    focus_handle: FocusHandle,
 114    channel_clipboard: Option<ChannelMoveClipboard>,
 115    pending_serialization: Task<Option<()>>,
 116    context_menu: Option<(View<ContextMenu>, Point<Pixels>, Subscription)>,
 117    list_state: ListState,
 118    filter_editor: View<Editor>,
 119    channel_name_editor: View<Editor>,
 120    channel_editing_state: Option<ChannelEditingState>,
 121    entries: Vec<ListEntry>,
 122    selection: Option<usize>,
 123    channel_store: Model<ChannelStore>,
 124    user_store: Model<UserStore>,
 125    client: Arc<Client>,
 126    project: Model<Project>,
 127    match_candidates: Vec<StringMatchCandidate>,
 128    subscriptions: Vec<Subscription>,
 129    collapsed_sections: Vec<Section>,
 130    collapsed_channels: Vec<ChannelId>,
 131    workspace: WeakView<Workspace>,
 132}
 133
 134#[derive(Serialize, Deserialize)]
 135struct SerializedCollabPanel {
 136    width: Option<Pixels>,
 137    collapsed_channels: Option<Vec<u64>>,
 138}
 139
 140#[derive(Clone, Copy, PartialEq, Eq, Debug, PartialOrd, Ord)]
 141enum Section {
 142    ActiveCall,
 143    Channels,
 144    ChannelInvites,
 145    ContactRequests,
 146    Contacts,
 147    Online,
 148    Offline,
 149}
 150
 151#[derive(Clone, Debug)]
 152enum ListEntry {
 153    Header(Section),
 154    CallParticipant {
 155        user: Arc<User>,
 156        peer_id: Option<PeerId>,
 157        is_pending: bool,
 158        role: proto::ChannelRole,
 159    },
 160    ParticipantProject {
 161        project_id: u64,
 162        worktree_root_names: Vec<String>,
 163        host_user_id: u64,
 164        is_last: bool,
 165    },
 166    ParticipantScreen {
 167        peer_id: Option<PeerId>,
 168        is_last: bool,
 169    },
 170    IncomingRequest(Arc<User>),
 171    OutgoingRequest(Arc<User>),
 172    ChannelInvite(Arc<Channel>),
 173    Channel {
 174        channel: Arc<Channel>,
 175        depth: usize,
 176        has_children: bool,
 177    },
 178    ChannelNotes {
 179        channel_id: ChannelId,
 180    },
 181    ChannelChat {
 182        channel_id: ChannelId,
 183    },
 184    ChannelEditor {
 185        depth: usize,
 186    },
 187    HostedProject {
 188        id: ProjectId,
 189        name: SharedString,
 190    },
 191    Contact {
 192        contact: Arc<Contact>,
 193        calling: bool,
 194    },
 195    ContactPlaceholder,
 196}
 197
 198impl CollabPanel {
 199    pub fn new(workspace: &mut Workspace, cx: &mut ViewContext<Workspace>) -> View<Self> {
 200        cx.new_view(|cx| {
 201            let filter_editor = cx.new_view(|cx| {
 202                let mut editor = Editor::single_line(cx);
 203                editor.set_placeholder_text("Filter...", cx);
 204                editor
 205            });
 206
 207            cx.subscribe(&filter_editor, |this: &mut Self, _, event, cx| {
 208                if let editor::EditorEvent::BufferEdited = event {
 209                    let query = this.filter_editor.read(cx).text(cx);
 210                    if !query.is_empty() {
 211                        this.selection.take();
 212                    }
 213                    this.update_entries(true, cx);
 214                    if !query.is_empty() {
 215                        this.selection = this
 216                            .entries
 217                            .iter()
 218                            .position(|entry| !matches!(entry, ListEntry::Header(_)));
 219                    }
 220                }
 221            })
 222            .detach();
 223
 224            let channel_name_editor = cx.new_view(|cx| Editor::single_line(cx));
 225
 226            cx.subscribe(&channel_name_editor, |this: &mut Self, _, event, cx| {
 227                if let editor::EditorEvent::Blurred = event {
 228                    if let Some(state) = &this.channel_editing_state {
 229                        if state.pending_name().is_some() {
 230                            return;
 231                        }
 232                    }
 233                    this.take_editing_state(cx);
 234                    this.update_entries(false, cx);
 235                    cx.notify();
 236                }
 237            })
 238            .detach();
 239
 240            let view = cx.view().downgrade();
 241            let list_state =
 242                ListState::new(0, gpui::ListAlignment::Top, px(1000.), move |ix, cx| {
 243                    if let Some(view) = view.upgrade() {
 244                        view.update(cx, |view, cx| view.render_list_entry(ix, cx))
 245                    } else {
 246                        div().into_any()
 247                    }
 248                });
 249
 250            let mut this = Self {
 251                width: None,
 252                focus_handle: cx.focus_handle(),
 253                channel_clipboard: None,
 254                fs: workspace.app_state().fs.clone(),
 255                pending_serialization: Task::ready(None),
 256                context_menu: None,
 257                list_state,
 258                channel_name_editor,
 259                filter_editor,
 260                entries: Vec::default(),
 261                channel_editing_state: None,
 262                selection: None,
 263                channel_store: ChannelStore::global(cx),
 264                user_store: workspace.user_store().clone(),
 265                project: workspace.project().clone(),
 266                subscriptions: Vec::default(),
 267                match_candidates: Vec::default(),
 268                collapsed_sections: vec![Section::Offline],
 269                collapsed_channels: Vec::default(),
 270                workspace: workspace.weak_handle(),
 271                client: workspace.app_state().client.clone(),
 272            };
 273
 274            this.update_entries(false, cx);
 275
 276            let active_call = ActiveCall::global(cx);
 277            this.subscriptions
 278                .push(cx.observe(&this.user_store, |this, _, cx| {
 279                    this.update_entries(true, cx)
 280                }));
 281            this.subscriptions
 282                .push(cx.observe(&this.channel_store, |this, _, cx| {
 283                    this.update_entries(true, cx)
 284                }));
 285            this.subscriptions
 286                .push(cx.observe(&active_call, |this, _, cx| this.update_entries(true, cx)));
 287            this.subscriptions.push(cx.subscribe(
 288                &this.channel_store,
 289                |this, _channel_store, e, cx| match e {
 290                    ChannelEvent::ChannelCreated(channel_id)
 291                    | ChannelEvent::ChannelRenamed(channel_id) => {
 292                        if this.take_editing_state(cx) {
 293                            this.update_entries(false, cx);
 294                            this.selection = this.entries.iter().position(|entry| {
 295                                if let ListEntry::Channel { channel, .. } = entry {
 296                                    channel.id == *channel_id
 297                                } else {
 298                                    false
 299                                }
 300                            });
 301                        }
 302                    }
 303                },
 304            ));
 305
 306            this
 307        })
 308    }
 309
 310    pub async fn load(
 311        workspace: WeakView<Workspace>,
 312        mut cx: AsyncWindowContext,
 313    ) -> anyhow::Result<View<Self>> {
 314        let serialized_panel = cx
 315            .background_executor()
 316            .spawn(async move { KEY_VALUE_STORE.read_kvp(COLLABORATION_PANEL_KEY) })
 317            .await
 318            .map_err(|_| anyhow::anyhow!("Failed to read collaboration panel from key value store"))
 319            .log_err()
 320            .flatten()
 321            .map(|panel| serde_json::from_str::<SerializedCollabPanel>(&panel))
 322            .transpose()
 323            .log_err()
 324            .flatten();
 325
 326        workspace.update(&mut cx, |workspace, cx| {
 327            let panel = CollabPanel::new(workspace, cx);
 328            if let Some(serialized_panel) = serialized_panel {
 329                panel.update(cx, |panel, cx| {
 330                    panel.width = serialized_panel.width.map(|w| w.round());
 331                    panel.collapsed_channels = serialized_panel
 332                        .collapsed_channels
 333                        .unwrap_or_else(|| Vec::new())
 334                        .iter()
 335                        .map(|cid| ChannelId(*cid))
 336                        .collect();
 337                    cx.notify();
 338                });
 339            }
 340            panel
 341        })
 342    }
 343
 344    fn serialize(&mut self, cx: &mut ViewContext<Self>) {
 345        let width = self.width;
 346        let collapsed_channels = self.collapsed_channels.clone();
 347        self.pending_serialization = cx.background_executor().spawn(
 348            async move {
 349                KEY_VALUE_STORE
 350                    .write_kvp(
 351                        COLLABORATION_PANEL_KEY.into(),
 352                        serde_json::to_string(&SerializedCollabPanel {
 353                            width,
 354                            collapsed_channels: Some(
 355                                collapsed_channels.iter().map(|cid| cid.0).collect(),
 356                            ),
 357                        })?,
 358                    )
 359                    .await?;
 360                anyhow::Ok(())
 361            }
 362            .log_err(),
 363        );
 364    }
 365
 366    fn scroll_to_item(&mut self, ix: usize) {
 367        self.list_state.scroll_to_reveal_item(ix)
 368    }
 369
 370    fn update_entries(&mut self, select_same_item: bool, cx: &mut ViewContext<Self>) {
 371        let channel_store = self.channel_store.read(cx);
 372        let user_store = self.user_store.read(cx);
 373        let query = self.filter_editor.read(cx).text(cx);
 374        let executor = cx.background_executor().clone();
 375
 376        let prev_selected_entry = self.selection.and_then(|ix| self.entries.get(ix).cloned());
 377        let old_entries = mem::take(&mut self.entries);
 378        let mut scroll_to_top = false;
 379
 380        if let Some(room) = ActiveCall::global(cx).read(cx).room() {
 381            self.entries.push(ListEntry::Header(Section::ActiveCall));
 382            if !old_entries
 383                .iter()
 384                .any(|entry| matches!(entry, ListEntry::Header(Section::ActiveCall)))
 385            {
 386                scroll_to_top = true;
 387            }
 388
 389            if !self.collapsed_sections.contains(&Section::ActiveCall) {
 390                let room = room.read(cx);
 391
 392                if query.is_empty() {
 393                    if let Some(channel_id) = room.channel_id() {
 394                        self.entries.push(ListEntry::ChannelNotes { channel_id });
 395                        self.entries.push(ListEntry::ChannelChat { channel_id });
 396                    }
 397                }
 398
 399                // Populate the active user.
 400                if let Some(user) = user_store.current_user() {
 401                    self.match_candidates.clear();
 402                    self.match_candidates.push(StringMatchCandidate {
 403                        id: 0,
 404                        string: user.github_login.clone(),
 405                        char_bag: user.github_login.chars().collect(),
 406                    });
 407                    let matches = executor.block(match_strings(
 408                        &self.match_candidates,
 409                        &query,
 410                        true,
 411                        usize::MAX,
 412                        &Default::default(),
 413                        executor.clone(),
 414                    ));
 415                    if !matches.is_empty() {
 416                        let user_id = user.id;
 417                        self.entries.push(ListEntry::CallParticipant {
 418                            user,
 419                            peer_id: None,
 420                            is_pending: false,
 421                            role: room.local_participant().role,
 422                        });
 423                        let mut projects = room.local_participant().projects.iter().peekable();
 424                        while let Some(project) = projects.next() {
 425                            self.entries.push(ListEntry::ParticipantProject {
 426                                project_id: project.id,
 427                                worktree_root_names: project.worktree_root_names.clone(),
 428                                host_user_id: user_id,
 429                                is_last: projects.peek().is_none() && !room.is_screen_sharing(),
 430                            });
 431                        }
 432                        if room.is_screen_sharing() {
 433                            self.entries.push(ListEntry::ParticipantScreen {
 434                                peer_id: None,
 435                                is_last: true,
 436                            });
 437                        }
 438                    }
 439                }
 440
 441                // Populate remote participants.
 442                self.match_candidates.clear();
 443                self.match_candidates
 444                    .extend(room.remote_participants().values().map(|participant| {
 445                        StringMatchCandidate {
 446                            id: participant.user.id as usize,
 447                            string: participant.user.github_login.clone(),
 448                            char_bag: participant.user.github_login.chars().collect(),
 449                        }
 450                    }));
 451                let mut matches = executor.block(match_strings(
 452                    &self.match_candidates,
 453                    &query,
 454                    true,
 455                    usize::MAX,
 456                    &Default::default(),
 457                    executor.clone(),
 458                ));
 459                matches.sort_by(|a, b| {
 460                    let a_is_guest = room.role_for_user(a.candidate_id as u64)
 461                        == Some(proto::ChannelRole::Guest);
 462                    let b_is_guest = room.role_for_user(b.candidate_id as u64)
 463                        == Some(proto::ChannelRole::Guest);
 464                    a_is_guest
 465                        .cmp(&b_is_guest)
 466                        .then_with(|| a.string.cmp(&b.string))
 467                });
 468                for mat in matches {
 469                    let user_id = mat.candidate_id as u64;
 470                    let participant = &room.remote_participants()[&user_id];
 471                    self.entries.push(ListEntry::CallParticipant {
 472                        user: participant.user.clone(),
 473                        peer_id: Some(participant.peer_id),
 474                        is_pending: false,
 475                        role: participant.role,
 476                    });
 477                    let mut projects = participant.projects.iter().peekable();
 478                    while let Some(project) = projects.next() {
 479                        self.entries.push(ListEntry::ParticipantProject {
 480                            project_id: project.id,
 481                            worktree_root_names: project.worktree_root_names.clone(),
 482                            host_user_id: participant.user.id,
 483                            is_last: projects.peek().is_none()
 484                                && participant.video_tracks.is_empty(),
 485                        });
 486                    }
 487                    if !participant.video_tracks.is_empty() {
 488                        self.entries.push(ListEntry::ParticipantScreen {
 489                            peer_id: Some(participant.peer_id),
 490                            is_last: true,
 491                        });
 492                    }
 493                }
 494
 495                // Populate pending participants.
 496                self.match_candidates.clear();
 497                self.match_candidates
 498                    .extend(room.pending_participants().iter().enumerate().map(
 499                        |(id, participant)| StringMatchCandidate {
 500                            id,
 501                            string: participant.github_login.clone(),
 502                            char_bag: participant.github_login.chars().collect(),
 503                        },
 504                    ));
 505                let matches = executor.block(match_strings(
 506                    &self.match_candidates,
 507                    &query,
 508                    true,
 509                    usize::MAX,
 510                    &Default::default(),
 511                    executor.clone(),
 512                ));
 513                self.entries
 514                    .extend(matches.iter().map(|mat| ListEntry::CallParticipant {
 515                        user: room.pending_participants()[mat.candidate_id].clone(),
 516                        peer_id: None,
 517                        is_pending: true,
 518                        role: proto::ChannelRole::Member,
 519                    }));
 520            }
 521        }
 522
 523        let mut request_entries = Vec::new();
 524
 525        self.entries.push(ListEntry::Header(Section::Channels));
 526
 527        if channel_store.channel_count() > 0 || self.channel_editing_state.is_some() {
 528            self.match_candidates.clear();
 529            self.match_candidates
 530                .extend(
 531                    channel_store
 532                        .ordered_channels()
 533                        .enumerate()
 534                        .map(|(ix, (_, channel))| StringMatchCandidate {
 535                            id: ix,
 536                            string: channel.name.clone().into(),
 537                            char_bag: channel.name.chars().collect(),
 538                        }),
 539                );
 540            let matches = executor.block(match_strings(
 541                &self.match_candidates,
 542                &query,
 543                true,
 544                usize::MAX,
 545                &Default::default(),
 546                executor.clone(),
 547            ));
 548            if let Some(state) = &self.channel_editing_state {
 549                if matches!(state, ChannelEditingState::Create { location: None, .. }) {
 550                    self.entries.push(ListEntry::ChannelEditor { depth: 0 });
 551                }
 552            }
 553            let mut collapse_depth = None;
 554            for mat in matches {
 555                let channel = channel_store.channel_at_index(mat.candidate_id).unwrap();
 556                let depth = channel.parent_path.len();
 557
 558                if collapse_depth.is_none() && self.is_channel_collapsed(channel.id) {
 559                    collapse_depth = Some(depth);
 560                } else if let Some(collapsed_depth) = collapse_depth {
 561                    if depth > collapsed_depth {
 562                        continue;
 563                    }
 564                    if self.is_channel_collapsed(channel.id) {
 565                        collapse_depth = Some(depth);
 566                    } else {
 567                        collapse_depth = None;
 568                    }
 569                }
 570
 571                let hosted_projects = channel_store.projects_for_id(channel.id);
 572                let has_children = channel_store
 573                    .channel_at_index(mat.candidate_id + 1)
 574                    .map_or(false, |next_channel| {
 575                        next_channel.parent_path.ends_with(&[channel.id])
 576                    });
 577
 578                match &self.channel_editing_state {
 579                    Some(ChannelEditingState::Create {
 580                        location: parent_id,
 581                        ..
 582                    }) if *parent_id == Some(channel.id) => {
 583                        self.entries.push(ListEntry::Channel {
 584                            channel: channel.clone(),
 585                            depth,
 586                            has_children: false,
 587                        });
 588                        self.entries
 589                            .push(ListEntry::ChannelEditor { depth: depth + 1 });
 590                    }
 591                    Some(ChannelEditingState::Rename {
 592                        location: parent_id,
 593                        ..
 594                    }) if parent_id == &channel.id => {
 595                        self.entries.push(ListEntry::ChannelEditor { depth });
 596                    }
 597                    _ => {
 598                        self.entries.push(ListEntry::Channel {
 599                            channel: channel.clone(),
 600                            depth,
 601                            has_children,
 602                        });
 603                    }
 604                }
 605
 606                for (name, id) in hosted_projects {
 607                    self.entries.push(ListEntry::HostedProject { id, name })
 608                }
 609            }
 610        }
 611
 612        let channel_invites = channel_store.channel_invitations();
 613        if !channel_invites.is_empty() {
 614            self.match_candidates.clear();
 615            self.match_candidates
 616                .extend(channel_invites.iter().enumerate().map(|(ix, channel)| {
 617                    StringMatchCandidate {
 618                        id: ix,
 619                        string: channel.name.clone().into(),
 620                        char_bag: channel.name.chars().collect(),
 621                    }
 622                }));
 623            let matches = executor.block(match_strings(
 624                &self.match_candidates,
 625                &query,
 626                true,
 627                usize::MAX,
 628                &Default::default(),
 629                executor.clone(),
 630            ));
 631            request_entries.extend(
 632                matches
 633                    .iter()
 634                    .map(|mat| ListEntry::ChannelInvite(channel_invites[mat.candidate_id].clone())),
 635            );
 636
 637            if !request_entries.is_empty() {
 638                self.entries
 639                    .push(ListEntry::Header(Section::ChannelInvites));
 640                if !self.collapsed_sections.contains(&Section::ChannelInvites) {
 641                    self.entries.append(&mut request_entries);
 642                }
 643            }
 644        }
 645
 646        self.entries.push(ListEntry::Header(Section::Contacts));
 647
 648        request_entries.clear();
 649        let incoming = user_store.incoming_contact_requests();
 650        if !incoming.is_empty() {
 651            self.match_candidates.clear();
 652            self.match_candidates
 653                .extend(
 654                    incoming
 655                        .iter()
 656                        .enumerate()
 657                        .map(|(ix, user)| StringMatchCandidate {
 658                            id: ix,
 659                            string: user.github_login.clone(),
 660                            char_bag: user.github_login.chars().collect(),
 661                        }),
 662                );
 663            let matches = executor.block(match_strings(
 664                &self.match_candidates,
 665                &query,
 666                true,
 667                usize::MAX,
 668                &Default::default(),
 669                executor.clone(),
 670            ));
 671            request_entries.extend(
 672                matches
 673                    .iter()
 674                    .map(|mat| ListEntry::IncomingRequest(incoming[mat.candidate_id].clone())),
 675            );
 676        }
 677
 678        let outgoing = user_store.outgoing_contact_requests();
 679        if !outgoing.is_empty() {
 680            self.match_candidates.clear();
 681            self.match_candidates
 682                .extend(
 683                    outgoing
 684                        .iter()
 685                        .enumerate()
 686                        .map(|(ix, user)| StringMatchCandidate {
 687                            id: ix,
 688                            string: user.github_login.clone(),
 689                            char_bag: user.github_login.chars().collect(),
 690                        }),
 691                );
 692            let matches = executor.block(match_strings(
 693                &self.match_candidates,
 694                &query,
 695                true,
 696                usize::MAX,
 697                &Default::default(),
 698                executor.clone(),
 699            ));
 700            request_entries.extend(
 701                matches
 702                    .iter()
 703                    .map(|mat| ListEntry::OutgoingRequest(outgoing[mat.candidate_id].clone())),
 704            );
 705        }
 706
 707        if !request_entries.is_empty() {
 708            self.entries
 709                .push(ListEntry::Header(Section::ContactRequests));
 710            if !self.collapsed_sections.contains(&Section::ContactRequests) {
 711                self.entries.append(&mut request_entries);
 712            }
 713        }
 714
 715        let contacts = user_store.contacts();
 716        if !contacts.is_empty() {
 717            self.match_candidates.clear();
 718            self.match_candidates
 719                .extend(
 720                    contacts
 721                        .iter()
 722                        .enumerate()
 723                        .map(|(ix, contact)| StringMatchCandidate {
 724                            id: ix,
 725                            string: contact.user.github_login.clone(),
 726                            char_bag: contact.user.github_login.chars().collect(),
 727                        }),
 728                );
 729
 730            let matches = executor.block(match_strings(
 731                &self.match_candidates,
 732                &query,
 733                true,
 734                usize::MAX,
 735                &Default::default(),
 736                executor.clone(),
 737            ));
 738
 739            let (online_contacts, offline_contacts) = matches
 740                .iter()
 741                .partition::<Vec<_>, _>(|mat| contacts[mat.candidate_id].online);
 742
 743            for (matches, section) in [
 744                (online_contacts, Section::Online),
 745                (offline_contacts, Section::Offline),
 746            ] {
 747                if !matches.is_empty() {
 748                    self.entries.push(ListEntry::Header(section));
 749                    if !self.collapsed_sections.contains(&section) {
 750                        let active_call = &ActiveCall::global(cx).read(cx);
 751                        for mat in matches {
 752                            let contact = &contacts[mat.candidate_id];
 753                            self.entries.push(ListEntry::Contact {
 754                                contact: contact.clone(),
 755                                calling: active_call.pending_invites().contains(&contact.user.id),
 756                            });
 757                        }
 758                    }
 759                }
 760            }
 761        }
 762
 763        if incoming.is_empty() && outgoing.is_empty() && contacts.is_empty() {
 764            self.entries.push(ListEntry::ContactPlaceholder);
 765        }
 766
 767        if select_same_item {
 768            if let Some(prev_selected_entry) = prev_selected_entry {
 769                self.selection.take();
 770                for (ix, entry) in self.entries.iter().enumerate() {
 771                    if *entry == prev_selected_entry {
 772                        self.selection = Some(ix);
 773                        break;
 774                    }
 775                }
 776            }
 777        } else {
 778            self.selection = self.selection.and_then(|prev_selection| {
 779                if self.entries.is_empty() {
 780                    None
 781                } else {
 782                    Some(prev_selection.min(self.entries.len() - 1))
 783                }
 784            });
 785        }
 786
 787        let old_scroll_top = self.list_state.logical_scroll_top();
 788        self.list_state.reset(self.entries.len());
 789
 790        if scroll_to_top {
 791            self.list_state.scroll_to(ListOffset::default());
 792        } else {
 793            // Attempt to maintain the same scroll position.
 794            if let Some(old_top_entry) = old_entries.get(old_scroll_top.item_ix) {
 795                let new_scroll_top = self
 796                    .entries
 797                    .iter()
 798                    .position(|entry| entry == old_top_entry)
 799                    .map(|item_ix| ListOffset {
 800                        item_ix,
 801                        offset_in_item: old_scroll_top.offset_in_item,
 802                    })
 803                    .or_else(|| {
 804                        let entry_after_old_top = old_entries.get(old_scroll_top.item_ix + 1)?;
 805                        let item_ix = self
 806                            .entries
 807                            .iter()
 808                            .position(|entry| entry == entry_after_old_top)?;
 809                        Some(ListOffset {
 810                            item_ix,
 811                            offset_in_item: Pixels::ZERO,
 812                        })
 813                    })
 814                    .or_else(|| {
 815                        let entry_before_old_top =
 816                            old_entries.get(old_scroll_top.item_ix.saturating_sub(1))?;
 817                        let item_ix = self
 818                            .entries
 819                            .iter()
 820                            .position(|entry| entry == entry_before_old_top)?;
 821                        Some(ListOffset {
 822                            item_ix,
 823                            offset_in_item: Pixels::ZERO,
 824                        })
 825                    });
 826
 827                self.list_state
 828                    .scroll_to(new_scroll_top.unwrap_or(old_scroll_top));
 829            }
 830        }
 831
 832        cx.notify();
 833    }
 834
 835    fn render_call_participant(
 836        &self,
 837        user: &Arc<User>,
 838        peer_id: Option<PeerId>,
 839        is_pending: bool,
 840        role: proto::ChannelRole,
 841        is_selected: bool,
 842        cx: &mut ViewContext<Self>,
 843    ) -> ListItem {
 844        let user_id = user.id;
 845        let is_current_user =
 846            self.user_store.read(cx).current_user().map(|user| user.id) == Some(user_id);
 847        let tooltip = format!("Follow {}", user.github_login);
 848
 849        let is_call_admin = ActiveCall::global(cx).read(cx).room().is_some_and(|room| {
 850            room.read(cx).local_participant().role == proto::ChannelRole::Admin
 851        });
 852
 853        ListItem::new(SharedString::from(user.github_login.clone()))
 854            .start_slot(Avatar::new(user.avatar_uri.clone()))
 855            .child(Label::new(user.github_login.clone()))
 856            .selected(is_selected)
 857            .end_slot(if is_pending {
 858                Label::new("Calling").color(Color::Muted).into_any_element()
 859            } else if is_current_user {
 860                IconButton::new("leave-call", IconName::Exit)
 861                    .style(ButtonStyle::Subtle)
 862                    .on_click(move |_, cx| Self::leave_call(cx))
 863                    .tooltip(|cx| Tooltip::text("Leave Call", cx))
 864                    .into_any_element()
 865            } else if role == proto::ChannelRole::Guest {
 866                Label::new("Guest").color(Color::Muted).into_any_element()
 867            } else if role == proto::ChannelRole::Talker {
 868                Label::new("Mic only")
 869                    .color(Color::Muted)
 870                    .into_any_element()
 871            } else {
 872                div().into_any_element()
 873            })
 874            .when_some(peer_id, |el, peer_id| {
 875                if role == proto::ChannelRole::Guest {
 876                    return el;
 877                }
 878                el.tooltip(move |cx| Tooltip::text(tooltip.clone(), cx))
 879                    .on_click(cx.listener(move |this, _, cx| {
 880                        this.workspace
 881                            .update(cx, |workspace, cx| workspace.follow(peer_id, cx))
 882                            .ok();
 883                    }))
 884            })
 885            .when(is_call_admin, |el| {
 886                el.on_secondary_mouse_down(cx.listener(move |this, event: &MouseDownEvent, cx| {
 887                    this.deploy_participant_context_menu(event.position, user_id, role, cx)
 888                }))
 889            })
 890    }
 891
 892    fn render_participant_project(
 893        &self,
 894        project_id: u64,
 895        worktree_root_names: &[String],
 896        host_user_id: u64,
 897        is_last: bool,
 898        is_selected: bool,
 899        cx: &mut ViewContext<Self>,
 900    ) -> impl IntoElement {
 901        let project_name: SharedString = if worktree_root_names.is_empty() {
 902            "untitled".to_string()
 903        } else {
 904            worktree_root_names.join(", ")
 905        }
 906        .into();
 907
 908        ListItem::new(project_id as usize)
 909            .selected(is_selected)
 910            .on_click(cx.listener(move |this, _, cx| {
 911                this.workspace
 912                    .update(cx, |workspace, cx| {
 913                        let app_state = workspace.app_state().clone();
 914                        workspace::join_in_room_project(project_id, host_user_id, app_state, cx)
 915                            .detach_and_prompt_err("Failed to join project", cx, |_, _| None);
 916                    })
 917                    .ok();
 918            }))
 919            .start_slot(
 920                h_flex()
 921                    .gap_1()
 922                    .child(render_tree_branch(is_last, false, cx))
 923                    .child(IconButton::new(0, IconName::Folder)),
 924            )
 925            .child(Label::new(project_name.clone()))
 926            .tooltip(move |cx| Tooltip::text(format!("Open {}", project_name), cx))
 927    }
 928
 929    fn render_participant_screen(
 930        &self,
 931        peer_id: Option<PeerId>,
 932        is_last: bool,
 933        is_selected: bool,
 934        cx: &mut ViewContext<Self>,
 935    ) -> impl IntoElement {
 936        let id = peer_id.map_or(usize::MAX, |id| id.as_u64() as usize);
 937
 938        ListItem::new(("screen", id))
 939            .selected(is_selected)
 940            .start_slot(
 941                h_flex()
 942                    .gap_1()
 943                    .child(render_tree_branch(is_last, false, cx))
 944                    .child(IconButton::new(0, IconName::Screen)),
 945            )
 946            .child(Label::new("Screen"))
 947            .when_some(peer_id, |this, _| {
 948                this.on_click(cx.listener(move |this, _, cx| {
 949                    this.workspace
 950                        .update(cx, |workspace, cx| {
 951                            workspace.open_shared_screen(peer_id.unwrap(), cx)
 952                        })
 953                        .ok();
 954                }))
 955                .tooltip(move |cx| Tooltip::text("Open shared screen", cx))
 956            })
 957    }
 958
 959    fn take_editing_state(&mut self, cx: &mut ViewContext<Self>) -> bool {
 960        if let Some(_) = self.channel_editing_state.take() {
 961            self.channel_name_editor.update(cx, |editor, cx| {
 962                editor.set_text("", cx);
 963            });
 964            true
 965        } else {
 966            false
 967        }
 968    }
 969
 970    fn render_channel_notes(
 971        &self,
 972        channel_id: ChannelId,
 973        is_selected: bool,
 974        cx: &mut ViewContext<Self>,
 975    ) -> impl IntoElement {
 976        let channel_store = self.channel_store.read(cx);
 977        let has_channel_buffer_changed = channel_store.has_channel_buffer_changed(channel_id);
 978        ListItem::new("channel-notes")
 979            .selected(is_selected)
 980            .on_click(cx.listener(move |this, _, cx| {
 981                this.open_channel_notes(channel_id, cx);
 982            }))
 983            .start_slot(
 984                h_flex()
 985                    .relative()
 986                    .gap_1()
 987                    .child(render_tree_branch(false, true, cx))
 988                    .child(IconButton::new(0, IconName::File))
 989                    .children(has_channel_buffer_changed.then(|| {
 990                        div()
 991                            .w_1p5()
 992                            .absolute()
 993                            .right(px(2.))
 994                            .top(px(2.))
 995                            .child(Indicator::dot().color(Color::Info))
 996                    })),
 997            )
 998            .child(Label::new("notes"))
 999            .tooltip(move |cx| Tooltip::text("Open Channel Notes", cx))
1000    }
1001
1002    fn render_channel_chat(
1003        &self,
1004        channel_id: ChannelId,
1005        is_selected: bool,
1006        cx: &mut ViewContext<Self>,
1007    ) -> impl IntoElement {
1008        let channel_store = self.channel_store.read(cx);
1009        let has_messages_notification = channel_store.has_new_messages(channel_id);
1010        ListItem::new("channel-chat")
1011            .selected(is_selected)
1012            .on_click(cx.listener(move |this, _, cx| {
1013                this.join_channel_chat(channel_id, cx);
1014            }))
1015            .start_slot(
1016                h_flex()
1017                    .relative()
1018                    .gap_1()
1019                    .child(render_tree_branch(false, false, cx))
1020                    .child(IconButton::new(0, IconName::MessageBubbles))
1021                    .children(has_messages_notification.then(|| {
1022                        div()
1023                            .w_1p5()
1024                            .absolute()
1025                            .right(px(2.))
1026                            .top(px(4.))
1027                            .child(Indicator::dot().color(Color::Info))
1028                    })),
1029            )
1030            .child(Label::new("chat"))
1031            .tooltip(move |cx| Tooltip::text("Open Chat", cx))
1032    }
1033
1034    fn render_channel_project(
1035        &self,
1036        id: ProjectId,
1037        name: &SharedString,
1038        is_selected: bool,
1039        cx: &mut ViewContext<Self>,
1040    ) -> impl IntoElement {
1041        ListItem::new(ElementId::NamedInteger(
1042            "channel-project".into(),
1043            id.0 as usize,
1044        ))
1045        .indent_level(2)
1046        .indent_step_size(px(20.))
1047        .selected(is_selected)
1048        .on_click(cx.listener(move |this, _, cx| {
1049            if let Some(workspace) = this.workspace.upgrade() {
1050                let app_state = workspace.read(cx).app_state().clone();
1051                workspace::join_hosted_project(id, app_state, cx).detach_and_prompt_err(
1052                    "Failed to open project",
1053                    cx,
1054                    |_, _| None,
1055                )
1056            }
1057        }))
1058        .start_slot(
1059            h_flex()
1060                .relative()
1061                .gap_1()
1062                .child(IconButton::new(0, IconName::FileTree)),
1063        )
1064        .child(Label::new(name.clone()))
1065        .tooltip(move |cx| Tooltip::text("Open Project", cx))
1066    }
1067
1068    fn has_subchannels(&self, ix: usize) -> bool {
1069        self.entries.get(ix).map_or(false, |entry| {
1070            if let ListEntry::Channel { has_children, .. } = entry {
1071                *has_children
1072            } else {
1073                false
1074            }
1075        })
1076    }
1077
1078    fn deploy_participant_context_menu(
1079        &mut self,
1080        position: Point<Pixels>,
1081        user_id: u64,
1082        role: proto::ChannelRole,
1083        cx: &mut ViewContext<Self>,
1084    ) {
1085        let this = cx.view().clone();
1086        if !(role == proto::ChannelRole::Guest
1087            || role == proto::ChannelRole::Talker
1088            || role == proto::ChannelRole::Member)
1089        {
1090            return;
1091        }
1092
1093        let context_menu = ContextMenu::build(cx, |mut context_menu, cx| {
1094            if role == proto::ChannelRole::Guest {
1095                context_menu = context_menu.entry(
1096                    "Grant Mic Access",
1097                    None,
1098                    cx.handler_for(&this, move |_, cx| {
1099                        ActiveCall::global(cx)
1100                            .update(cx, |call, cx| {
1101                                let Some(room) = call.room() else {
1102                                    return Task::ready(Ok(()));
1103                                };
1104                                room.update(cx, |room, cx| {
1105                                    room.set_participant_role(
1106                                        user_id,
1107                                        proto::ChannelRole::Talker,
1108                                        cx,
1109                                    )
1110                                })
1111                            })
1112                            .detach_and_prompt_err("Failed to grant mic access", cx, |_, _| None)
1113                    }),
1114                );
1115            }
1116            if role == proto::ChannelRole::Guest || role == proto::ChannelRole::Talker {
1117                context_menu = context_menu.entry(
1118                    "Grant Write Access",
1119                    None,
1120                    cx.handler_for(&this, move |_, cx| {
1121                        ActiveCall::global(cx)
1122                            .update(cx, |call, cx| {
1123                                let Some(room) = call.room() else {
1124                                    return Task::ready(Ok(()));
1125                                };
1126                                room.update(cx, |room, cx| {
1127                                    room.set_participant_role(
1128                                        user_id,
1129                                        proto::ChannelRole::Member,
1130                                        cx,
1131                                    )
1132                                })
1133                            })
1134                            .detach_and_prompt_err("Failed to grant write access", cx, |e, _| {
1135                                match e.error_code() {
1136                                    ErrorCode::NeedsCla => Some("This user has not yet signed the CLA at https://zed.dev/cla.".into()),
1137                                    _ => None,
1138                                }
1139                            })
1140                    }),
1141                );
1142            }
1143            if role == proto::ChannelRole::Member || role == proto::ChannelRole::Talker {
1144                let label = if role == proto::ChannelRole::Talker {
1145                    "Mute"
1146                } else {
1147                    "Revoke Access"
1148                };
1149                context_menu = context_menu.entry(
1150                    label,
1151                    None,
1152                    cx.handler_for(&this, move |_, cx| {
1153                        ActiveCall::global(cx)
1154                            .update(cx, |call, cx| {
1155                                let Some(room) = call.room() else {
1156                                    return Task::ready(Ok(()));
1157                                };
1158                                room.update(cx, |room, cx| {
1159                                    room.set_participant_role(
1160                                        user_id,
1161                                        proto::ChannelRole::Guest,
1162                                        cx,
1163                                    )
1164                                })
1165                            })
1166                            .detach_and_prompt_err("Failed to revoke access", cx, |_, _| None)
1167                    }),
1168                );
1169            }
1170
1171            context_menu
1172        });
1173
1174        cx.focus_view(&context_menu);
1175        let subscription =
1176            cx.subscribe(&context_menu, |this, _, _: &DismissEvent, cx| {
1177                if this.context_menu.as_ref().is_some_and(|context_menu| {
1178                    context_menu.0.focus_handle(cx).contains_focused(cx)
1179                }) {
1180                    cx.focus_self();
1181                }
1182                this.context_menu.take();
1183                cx.notify();
1184            });
1185        self.context_menu = Some((context_menu, position, subscription));
1186    }
1187
1188    fn deploy_channel_context_menu(
1189        &mut self,
1190        position: Point<Pixels>,
1191        channel_id: ChannelId,
1192        ix: usize,
1193        cx: &mut ViewContext<Self>,
1194    ) {
1195        let clipboard_channel_name = self.channel_clipboard.as_ref().and_then(|clipboard| {
1196            self.channel_store
1197                .read(cx)
1198                .channel_for_id(clipboard.channel_id)
1199                .map(|channel| channel.name.clone())
1200        });
1201        let this = cx.view().clone();
1202
1203        let context_menu = ContextMenu::build(cx, |mut context_menu, cx| {
1204            if self.has_subchannels(ix) {
1205                let expand_action_name = if self.is_channel_collapsed(channel_id) {
1206                    "Expand Subchannels"
1207                } else {
1208                    "Collapse Subchannels"
1209                };
1210                context_menu = context_menu.entry(
1211                    expand_action_name,
1212                    None,
1213                    cx.handler_for(&this, move |this, cx| {
1214                        this.toggle_channel_collapsed(channel_id, cx)
1215                    }),
1216                );
1217            }
1218
1219            context_menu = context_menu
1220                .entry(
1221                    "Open Notes",
1222                    None,
1223                    cx.handler_for(&this, move |this, cx| {
1224                        this.open_channel_notes(channel_id, cx)
1225                    }),
1226                )
1227                .entry(
1228                    "Open Chat",
1229                    None,
1230                    cx.handler_for(&this, move |this, cx| {
1231                        this.join_channel_chat(channel_id, cx)
1232                    }),
1233                )
1234                .entry(
1235                    "Copy Channel Link",
1236                    None,
1237                    cx.handler_for(&this, move |this, cx| {
1238                        this.copy_channel_link(channel_id, cx)
1239                    }),
1240                );
1241
1242            let mut has_destructive_actions = false;
1243            if self.channel_store.read(cx).is_channel_admin(channel_id) {
1244                has_destructive_actions = true;
1245                context_menu = context_menu
1246                    .separator()
1247                    .entry(
1248                        "New Subchannel",
1249                        None,
1250                        cx.handler_for(&this, move |this, cx| this.new_subchannel(channel_id, cx)),
1251                    )
1252                    .entry(
1253                        "Rename",
1254                        Some(Box::new(SecondaryConfirm)),
1255                        cx.handler_for(&this, move |this, cx| this.rename_channel(channel_id, cx)),
1256                    );
1257
1258                if let Some(channel_name) = clipboard_channel_name {
1259                    context_menu = context_menu.separator().entry(
1260                        format!("Move '#{}' here", channel_name),
1261                        None,
1262                        cx.handler_for(&this, move |this, cx| {
1263                            this.move_channel_on_clipboard(channel_id, cx)
1264                        }),
1265                    );
1266                }
1267
1268                if self.channel_store.read(cx).is_root_channel(channel_id) {
1269                    context_menu = context_menu.separator().entry(
1270                        "Manage Members",
1271                        None,
1272                        cx.handler_for(&this, move |this, cx| this.manage_members(channel_id, cx)),
1273                    )
1274                } else {
1275                    context_menu = context_menu.entry(
1276                        "Move this channel",
1277                        None,
1278                        cx.handler_for(&this, move |this, cx| {
1279                            this.start_move_channel(channel_id, cx)
1280                        }),
1281                    );
1282                    if self.channel_store.read(cx).is_public_channel(channel_id) {
1283                        context_menu = context_menu.separator().entry(
1284                            "Make Channel Private",
1285                            None,
1286                            cx.handler_for(&this, move |this, cx| {
1287                                this.set_channel_visibility(
1288                                    channel_id,
1289                                    ChannelVisibility::Members,
1290                                    cx,
1291                                )
1292                            }),
1293                        )
1294                    } else {
1295                        context_menu = context_menu.separator().entry(
1296                            "Make Channel Public",
1297                            None,
1298                            cx.handler_for(&this, move |this, cx| {
1299                                this.set_channel_visibility(
1300                                    channel_id,
1301                                    ChannelVisibility::Public,
1302                                    cx,
1303                                )
1304                            }),
1305                        )
1306                    }
1307                }
1308
1309                context_menu = context_menu.entry(
1310                    "Delete",
1311                    None,
1312                    cx.handler_for(&this, move |this, cx| this.remove_channel(channel_id, cx)),
1313                );
1314            }
1315
1316            if self.channel_store.read(cx).is_root_channel(channel_id) {
1317                if !has_destructive_actions {
1318                    context_menu = context_menu.separator()
1319                }
1320                context_menu = context_menu.entry(
1321                    "Leave Channel",
1322                    None,
1323                    cx.handler_for(&this, move |this, cx| this.leave_channel(channel_id, cx)),
1324                );
1325            }
1326
1327            context_menu
1328        });
1329
1330        cx.focus_view(&context_menu);
1331        let subscription =
1332            cx.subscribe(&context_menu, |this, _, _: &DismissEvent, cx| {
1333                if this.context_menu.as_ref().is_some_and(|context_menu| {
1334                    context_menu.0.focus_handle(cx).contains_focused(cx)
1335                }) {
1336                    cx.focus_self();
1337                }
1338                this.context_menu.take();
1339                cx.notify();
1340            });
1341        self.context_menu = Some((context_menu, position, subscription));
1342
1343        cx.notify();
1344    }
1345
1346    fn deploy_contact_context_menu(
1347        &mut self,
1348        position: Point<Pixels>,
1349        contact: Arc<Contact>,
1350        cx: &mut ViewContext<Self>,
1351    ) {
1352        let this = cx.view().clone();
1353        let in_room = ActiveCall::global(cx).read(cx).room().is_some();
1354
1355        let context_menu = ContextMenu::build(cx, |mut context_menu, _| {
1356            let user_id = contact.user.id;
1357
1358            if contact.online && !contact.busy {
1359                let label = if in_room {
1360                    format!("Invite {} to join", contact.user.github_login)
1361                } else {
1362                    format!("Call {}", contact.user.github_login)
1363                };
1364                context_menu = context_menu.entry(label, None, {
1365                    let this = this.clone();
1366                    move |cx| {
1367                        this.update(cx, |this, cx| {
1368                            this.call(user_id, cx);
1369                        });
1370                    }
1371                });
1372            }
1373
1374            context_menu.entry("Remove Contact", None, {
1375                let this = this.clone();
1376                move |cx| {
1377                    this.update(cx, |this, cx| {
1378                        this.remove_contact(contact.user.id, &contact.user.github_login, cx);
1379                    });
1380                }
1381            })
1382        });
1383
1384        cx.focus_view(&context_menu);
1385        let subscription =
1386            cx.subscribe(&context_menu, |this, _, _: &DismissEvent, cx| {
1387                if this.context_menu.as_ref().is_some_and(|context_menu| {
1388                    context_menu.0.focus_handle(cx).contains_focused(cx)
1389                }) {
1390                    cx.focus_self();
1391                }
1392                this.context_menu.take();
1393                cx.notify();
1394            });
1395        self.context_menu = Some((context_menu, position, subscription));
1396
1397        cx.notify();
1398    }
1399
1400    fn cancel(&mut self, _: &Cancel, cx: &mut ViewContext<Self>) {
1401        if self.take_editing_state(cx) {
1402            cx.focus_view(&self.filter_editor);
1403        } else {
1404            self.filter_editor.update(cx, |editor, cx| {
1405                if editor.buffer().read(cx).len(cx) > 0 {
1406                    editor.set_text("", cx);
1407                }
1408            });
1409        }
1410
1411        self.update_entries(false, cx);
1412    }
1413
1414    fn select_next(&mut self, _: &SelectNext, cx: &mut ViewContext<Self>) {
1415        let ix = self.selection.map_or(0, |ix| ix + 1);
1416        if ix < self.entries.len() {
1417            self.selection = Some(ix);
1418        }
1419
1420        if let Some(ix) = self.selection {
1421            self.scroll_to_item(ix)
1422        }
1423        cx.notify();
1424    }
1425
1426    fn select_prev(&mut self, _: &SelectPrev, cx: &mut ViewContext<Self>) {
1427        let ix = self.selection.take().unwrap_or(0);
1428        if ix > 0 {
1429            self.selection = Some(ix - 1);
1430        }
1431
1432        if let Some(ix) = self.selection {
1433            self.scroll_to_item(ix)
1434        }
1435        cx.notify();
1436    }
1437
1438    fn confirm(&mut self, _: &Confirm, cx: &mut ViewContext<Self>) {
1439        if self.confirm_channel_edit(cx) {
1440            return;
1441        }
1442
1443        if let Some(selection) = self.selection {
1444            if let Some(entry) = self.entries.get(selection) {
1445                match entry {
1446                    ListEntry::Header(section) => match section {
1447                        Section::ActiveCall => Self::leave_call(cx),
1448                        Section::Channels => self.new_root_channel(cx),
1449                        Section::Contacts => self.toggle_contact_finder(cx),
1450                        Section::ContactRequests
1451                        | Section::Online
1452                        | Section::Offline
1453                        | Section::ChannelInvites => {
1454                            self.toggle_section_expanded(*section, cx);
1455                        }
1456                    },
1457                    ListEntry::Contact { contact, calling } => {
1458                        if contact.online && !contact.busy && !calling {
1459                            self.call(contact.user.id, cx);
1460                        }
1461                    }
1462                    ListEntry::ParticipantProject {
1463                        project_id,
1464                        host_user_id,
1465                        ..
1466                    } => {
1467                        if let Some(workspace) = self.workspace.upgrade() {
1468                            let app_state = workspace.read(cx).app_state().clone();
1469                            workspace::join_in_room_project(
1470                                *project_id,
1471                                *host_user_id,
1472                                app_state,
1473                                cx,
1474                            )
1475                            .detach_and_prompt_err(
1476                                "Failed to join project",
1477                                cx,
1478                                |_, _| None,
1479                            );
1480                        }
1481                    }
1482                    ListEntry::ParticipantScreen { peer_id, .. } => {
1483                        let Some(peer_id) = peer_id else {
1484                            return;
1485                        };
1486                        if let Some(workspace) = self.workspace.upgrade() {
1487                            workspace.update(cx, |workspace, cx| {
1488                                workspace.open_shared_screen(*peer_id, cx)
1489                            });
1490                        }
1491                    }
1492                    ListEntry::Channel { channel, .. } => {
1493                        let is_active = maybe!({
1494                            let call_channel = ActiveCall::global(cx)
1495                                .read(cx)
1496                                .room()?
1497                                .read(cx)
1498                                .channel_id()?;
1499
1500                            Some(call_channel == channel.id)
1501                        })
1502                        .unwrap_or(false);
1503                        if is_active {
1504                            self.open_channel_notes(channel.id, cx)
1505                        } else {
1506                            self.join_channel(channel.id, cx)
1507                        }
1508                    }
1509                    ListEntry::ContactPlaceholder => self.toggle_contact_finder(cx),
1510                    ListEntry::CallParticipant { user, peer_id, .. } => {
1511                        if Some(user) == self.user_store.read(cx).current_user().as_ref() {
1512                            Self::leave_call(cx);
1513                        } else if let Some(peer_id) = peer_id {
1514                            self.workspace
1515                                .update(cx, |workspace, cx| workspace.follow(*peer_id, cx))
1516                                .ok();
1517                        }
1518                    }
1519                    ListEntry::IncomingRequest(user) => {
1520                        self.respond_to_contact_request(user.id, true, cx)
1521                    }
1522                    ListEntry::ChannelInvite(channel) => {
1523                        self.respond_to_channel_invite(channel.id, true, cx)
1524                    }
1525                    ListEntry::ChannelNotes { channel_id } => {
1526                        self.open_channel_notes(*channel_id, cx)
1527                    }
1528                    ListEntry::ChannelChat { channel_id } => {
1529                        self.join_channel_chat(*channel_id, cx)
1530                    }
1531                    ListEntry::HostedProject {
1532                        id: _id,
1533                        name: _name,
1534                    } => {
1535                        // todo()
1536                    }
1537
1538                    ListEntry::OutgoingRequest(_) => {}
1539                    ListEntry::ChannelEditor { .. } => {}
1540                }
1541            }
1542        }
1543    }
1544
1545    fn insert_space(&mut self, _: &InsertSpace, cx: &mut ViewContext<Self>) {
1546        if self.channel_editing_state.is_some() {
1547            self.channel_name_editor.update(cx, |editor, cx| {
1548                editor.insert(" ", cx);
1549            });
1550        }
1551    }
1552
1553    fn confirm_channel_edit(&mut self, cx: &mut ViewContext<CollabPanel>) -> bool {
1554        if let Some(editing_state) = &mut self.channel_editing_state {
1555            match editing_state {
1556                ChannelEditingState::Create {
1557                    location,
1558                    pending_name,
1559                    ..
1560                } => {
1561                    if pending_name.is_some() {
1562                        return false;
1563                    }
1564                    let channel_name = self.channel_name_editor.read(cx).text(cx);
1565
1566                    *pending_name = Some(channel_name.clone());
1567
1568                    self.channel_store
1569                        .update(cx, |channel_store, cx| {
1570                            channel_store.create_channel(&channel_name, *location, cx)
1571                        })
1572                        .detach();
1573                    cx.notify();
1574                }
1575                ChannelEditingState::Rename {
1576                    location,
1577                    pending_name,
1578                } => {
1579                    if pending_name.is_some() {
1580                        return false;
1581                    }
1582                    let channel_name = self.channel_name_editor.read(cx).text(cx);
1583                    *pending_name = Some(channel_name.clone());
1584
1585                    self.channel_store
1586                        .update(cx, |channel_store, cx| {
1587                            channel_store.rename(*location, &channel_name, cx)
1588                        })
1589                        .detach();
1590                    cx.notify();
1591                }
1592            }
1593            cx.focus_self();
1594            true
1595        } else {
1596            false
1597        }
1598    }
1599
1600    fn toggle_section_expanded(&mut self, section: Section, cx: &mut ViewContext<Self>) {
1601        if let Some(ix) = self.collapsed_sections.iter().position(|s| *s == section) {
1602            self.collapsed_sections.remove(ix);
1603        } else {
1604            self.collapsed_sections.push(section);
1605        }
1606        self.update_entries(false, cx);
1607    }
1608
1609    fn collapse_selected_channel(
1610        &mut self,
1611        _: &CollapseSelectedChannel,
1612        cx: &mut ViewContext<Self>,
1613    ) {
1614        let Some(channel_id) = self.selected_channel().map(|channel| channel.id) else {
1615            return;
1616        };
1617
1618        if self.is_channel_collapsed(channel_id) {
1619            return;
1620        }
1621
1622        self.toggle_channel_collapsed(channel_id, cx);
1623    }
1624
1625    fn expand_selected_channel(&mut self, _: &ExpandSelectedChannel, cx: &mut ViewContext<Self>) {
1626        let Some(id) = self.selected_channel().map(|channel| channel.id) else {
1627            return;
1628        };
1629
1630        if !self.is_channel_collapsed(id) {
1631            return;
1632        }
1633
1634        self.toggle_channel_collapsed(id, cx)
1635    }
1636
1637    fn toggle_channel_collapsed(&mut self, channel_id: ChannelId, cx: &mut ViewContext<Self>) {
1638        match self.collapsed_channels.binary_search(&channel_id) {
1639            Ok(ix) => {
1640                self.collapsed_channels.remove(ix);
1641            }
1642            Err(ix) => {
1643                self.collapsed_channels.insert(ix, channel_id);
1644            }
1645        };
1646        self.serialize(cx);
1647        self.update_entries(true, cx);
1648        cx.notify();
1649        cx.focus_self();
1650    }
1651
1652    fn is_channel_collapsed(&self, channel_id: ChannelId) -> bool {
1653        self.collapsed_channels.binary_search(&channel_id).is_ok()
1654    }
1655
1656    fn leave_call(cx: &mut WindowContext) {
1657        ActiveCall::global(cx)
1658            .update(cx, |call, cx| call.hang_up(cx))
1659            .detach_and_prompt_err("Failed to hang up", cx, |_, _| None);
1660    }
1661
1662    fn toggle_contact_finder(&mut self, cx: &mut ViewContext<Self>) {
1663        if let Some(workspace) = self.workspace.upgrade() {
1664            workspace.update(cx, |workspace, cx| {
1665                workspace.toggle_modal(cx, |cx| {
1666                    let mut finder = ContactFinder::new(self.user_store.clone(), cx);
1667                    finder.set_query(self.filter_editor.read(cx).text(cx), cx);
1668                    finder
1669                });
1670            });
1671        }
1672    }
1673
1674    fn new_root_channel(&mut self, cx: &mut ViewContext<Self>) {
1675        self.channel_editing_state = Some(ChannelEditingState::Create {
1676            location: None,
1677            pending_name: None,
1678        });
1679        self.update_entries(false, cx);
1680        self.select_channel_editor();
1681        cx.focus_view(&self.channel_name_editor);
1682        cx.notify();
1683    }
1684
1685    fn select_channel_editor(&mut self) {
1686        self.selection = self.entries.iter().position(|entry| match entry {
1687            ListEntry::ChannelEditor { .. } => true,
1688            _ => false,
1689        });
1690    }
1691
1692    fn new_subchannel(&mut self, channel_id: ChannelId, cx: &mut ViewContext<Self>) {
1693        self.collapsed_channels
1694            .retain(|channel| *channel != channel_id);
1695        self.channel_editing_state = Some(ChannelEditingState::Create {
1696            location: Some(channel_id),
1697            pending_name: None,
1698        });
1699        self.update_entries(false, cx);
1700        self.select_channel_editor();
1701        cx.focus_view(&self.channel_name_editor);
1702        cx.notify();
1703    }
1704
1705    fn manage_members(&mut self, channel_id: ChannelId, cx: &mut ViewContext<Self>) {
1706        self.show_channel_modal(channel_id, channel_modal::Mode::ManageMembers, cx);
1707    }
1708
1709    fn remove_selected_channel(&mut self, _: &Remove, cx: &mut ViewContext<Self>) {
1710        if let Some(channel) = self.selected_channel() {
1711            self.remove_channel(channel.id, cx)
1712        }
1713    }
1714
1715    fn rename_selected_channel(&mut self, _: &SecondaryConfirm, cx: &mut ViewContext<Self>) {
1716        if let Some(channel) = self.selected_channel() {
1717            self.rename_channel(channel.id, cx);
1718        }
1719    }
1720
1721    fn rename_channel(&mut self, channel_id: ChannelId, cx: &mut ViewContext<Self>) {
1722        let channel_store = self.channel_store.read(cx);
1723        if !channel_store.is_channel_admin(channel_id) {
1724            return;
1725        }
1726        if let Some(channel) = channel_store.channel_for_id(channel_id).cloned() {
1727            self.channel_editing_state = Some(ChannelEditingState::Rename {
1728                location: channel_id,
1729                pending_name: None,
1730            });
1731            self.channel_name_editor.update(cx, |editor, cx| {
1732                editor.set_text(channel.name.clone(), cx);
1733                editor.select_all(&Default::default(), cx);
1734            });
1735            cx.focus_view(&self.channel_name_editor);
1736            self.update_entries(false, cx);
1737            self.select_channel_editor();
1738        }
1739    }
1740
1741    fn set_channel_visibility(
1742        &mut self,
1743        channel_id: ChannelId,
1744        visibility: ChannelVisibility,
1745        cx: &mut ViewContext<Self>,
1746    ) {
1747        self.channel_store
1748            .update(cx, |channel_store, cx| {
1749                channel_store.set_channel_visibility(channel_id, visibility, cx)
1750            })
1751            .detach_and_prompt_err("Failed to set channel visibility", cx, |e, _| match e.error_code() {
1752                ErrorCode::BadPublicNesting =>
1753                    if e.error_tag("direction") == Some("parent") {
1754                        Some("To make a channel public, its parent channel must be public.".to_string())
1755                    } else {
1756                        Some("To make a channel private, all of its subchannels must be private.".to_string())
1757                    },
1758                _ => None
1759            });
1760    }
1761
1762    fn start_move_channel(&mut self, channel_id: ChannelId, _cx: &mut ViewContext<Self>) {
1763        self.channel_clipboard = Some(ChannelMoveClipboard { channel_id });
1764    }
1765
1766    fn start_move_selected_channel(&mut self, _: &StartMoveChannel, cx: &mut ViewContext<Self>) {
1767        if let Some(channel) = self.selected_channel() {
1768            self.start_move_channel(channel.id, cx);
1769        }
1770    }
1771
1772    fn move_channel_on_clipboard(
1773        &mut self,
1774        to_channel_id: ChannelId,
1775        cx: &mut ViewContext<CollabPanel>,
1776    ) {
1777        if let Some(clipboard) = self.channel_clipboard.take() {
1778            self.move_channel(clipboard.channel_id, to_channel_id, cx)
1779        }
1780    }
1781
1782    fn move_channel(&self, channel_id: ChannelId, to: ChannelId, cx: &mut ViewContext<Self>) {
1783        self.channel_store
1784            .update(cx, |channel_store, cx| {
1785                channel_store.move_channel(channel_id, to, cx)
1786            })
1787            .detach_and_prompt_err("Failed to move channel", cx, |e, _| match e.error_code() {
1788                ErrorCode::BadPublicNesting => {
1789                    Some("Public channels must have public parents".into())
1790                }
1791                ErrorCode::CircularNesting => Some("You cannot move a channel into itself".into()),
1792                ErrorCode::WrongMoveTarget => {
1793                    Some("You cannot move a channel into a different root channel".into())
1794                }
1795                _ => None,
1796            })
1797    }
1798
1799    fn open_channel_notes(&mut self, channel_id: ChannelId, cx: &mut ViewContext<Self>) {
1800        if let Some(workspace) = self.workspace.upgrade() {
1801            ChannelView::open(channel_id, None, workspace, cx).detach();
1802        }
1803    }
1804
1805    fn show_inline_context_menu(&mut self, _: &menu::SecondaryConfirm, cx: &mut ViewContext<Self>) {
1806        let Some(bounds) = self
1807            .selection
1808            .and_then(|ix| self.list_state.bounds_for_item(ix))
1809        else {
1810            return;
1811        };
1812
1813        if let Some(channel) = self.selected_channel() {
1814            self.deploy_channel_context_menu(
1815                bounds.center(),
1816                channel.id,
1817                self.selection.unwrap(),
1818                cx,
1819            );
1820            cx.stop_propagation();
1821            return;
1822        };
1823
1824        if let Some(contact) = self.selected_contact() {
1825            self.deploy_contact_context_menu(bounds.center(), contact, cx);
1826            cx.stop_propagation();
1827            return;
1828        };
1829    }
1830
1831    fn selected_channel(&self) -> Option<&Arc<Channel>> {
1832        self.selection
1833            .and_then(|ix| self.entries.get(ix))
1834            .and_then(|entry| match entry {
1835                ListEntry::Channel { channel, .. } => Some(channel),
1836                _ => None,
1837            })
1838    }
1839
1840    fn selected_contact(&self) -> Option<Arc<Contact>> {
1841        self.selection
1842            .and_then(|ix| self.entries.get(ix))
1843            .and_then(|entry| match entry {
1844                ListEntry::Contact { contact, .. } => Some(contact.clone()),
1845                _ => None,
1846            })
1847    }
1848
1849    fn show_channel_modal(
1850        &mut self,
1851        channel_id: ChannelId,
1852        mode: channel_modal::Mode,
1853        cx: &mut ViewContext<Self>,
1854    ) {
1855        let workspace = self.workspace.clone();
1856        let user_store = self.user_store.clone();
1857        let channel_store = self.channel_store.clone();
1858        let members = self.channel_store.update(cx, |channel_store, cx| {
1859            channel_store.get_channel_member_details(channel_id, cx)
1860        });
1861
1862        cx.spawn(|_, mut cx| async move {
1863            let members = members.await?;
1864            workspace.update(&mut cx, |workspace, cx| {
1865                workspace.toggle_modal(cx, |cx| {
1866                    ChannelModal::new(
1867                        user_store.clone(),
1868                        channel_store.clone(),
1869                        channel_id,
1870                        mode,
1871                        members,
1872                        cx,
1873                    )
1874                });
1875            })
1876        })
1877        .detach();
1878    }
1879
1880    fn leave_channel(&self, channel_id: ChannelId, cx: &mut ViewContext<Self>) {
1881        let Some(user_id) = self.user_store.read(cx).current_user().map(|u| u.id) else {
1882            return;
1883        };
1884        let Some(channel) = self.channel_store.read(cx).channel_for_id(channel_id) else {
1885            return;
1886        };
1887        let prompt_message = format!("Are you sure you want to leave \"#{}\"?", channel.name);
1888        let answer = cx.prompt(
1889            PromptLevel::Warning,
1890            &prompt_message,
1891            None,
1892            &["Leave", "Cancel"],
1893        );
1894        cx.spawn(|this, mut cx| async move {
1895            if answer.await? != 0 {
1896                return Ok(());
1897            }
1898            this.update(&mut cx, |this, cx| {
1899                this.channel_store.update(cx, |channel_store, cx| {
1900                    channel_store.remove_member(channel_id, user_id, cx)
1901                })
1902            })?
1903            .await
1904        })
1905        .detach_and_prompt_err("Failed to leave channel", cx, |_, _| None)
1906    }
1907
1908    fn remove_channel(&mut self, channel_id: ChannelId, cx: &mut ViewContext<Self>) {
1909        let channel_store = self.channel_store.clone();
1910        if let Some(channel) = channel_store.read(cx).channel_for_id(channel_id) {
1911            let prompt_message = format!(
1912                "Are you sure you want to remove the channel \"{}\"?",
1913                channel.name
1914            );
1915            let answer = cx.prompt(
1916                PromptLevel::Warning,
1917                &prompt_message,
1918                None,
1919                &["Remove", "Cancel"],
1920            );
1921            cx.spawn(|this, mut cx| async move {
1922                if answer.await? == 0 {
1923                    channel_store
1924                        .update(&mut cx, |channels, _| channels.remove_channel(channel_id))?
1925                        .await
1926                        .notify_async_err(&mut cx);
1927                    this.update(&mut cx, |_, cx| cx.focus_self()).ok();
1928                }
1929                anyhow::Ok(())
1930            })
1931            .detach();
1932        }
1933    }
1934
1935    fn remove_contact(&mut self, user_id: u64, github_login: &str, cx: &mut ViewContext<Self>) {
1936        let user_store = self.user_store.clone();
1937        let prompt_message = format!(
1938            "Are you sure you want to remove \"{}\" from your contacts?",
1939            github_login
1940        );
1941        let answer = cx.prompt(
1942            PromptLevel::Warning,
1943            &prompt_message,
1944            None,
1945            &["Remove", "Cancel"],
1946        );
1947        cx.spawn(|_, mut cx| async move {
1948            if answer.await? == 0 {
1949                user_store
1950                    .update(&mut cx, |store, cx| store.remove_contact(user_id, cx))?
1951                    .await
1952                    .notify_async_err(&mut cx);
1953            }
1954            anyhow::Ok(())
1955        })
1956        .detach_and_prompt_err("Failed to remove contact", cx, |_, _| None);
1957    }
1958
1959    fn respond_to_contact_request(
1960        &mut self,
1961        user_id: u64,
1962        accept: bool,
1963        cx: &mut ViewContext<Self>,
1964    ) {
1965        self.user_store
1966            .update(cx, |store, cx| {
1967                store.respond_to_contact_request(user_id, accept, cx)
1968            })
1969            .detach_and_prompt_err("Failed to respond to contact request", cx, |_, _| None);
1970    }
1971
1972    fn respond_to_channel_invite(
1973        &mut self,
1974        channel_id: ChannelId,
1975        accept: bool,
1976        cx: &mut ViewContext<Self>,
1977    ) {
1978        self.channel_store
1979            .update(cx, |store, cx| {
1980                store.respond_to_channel_invite(channel_id, accept, cx)
1981            })
1982            .detach();
1983    }
1984
1985    fn call(&mut self, recipient_user_id: u64, cx: &mut ViewContext<Self>) {
1986        ActiveCall::global(cx)
1987            .update(cx, |call, cx| {
1988                call.invite(recipient_user_id, Some(self.project.clone()), cx)
1989            })
1990            .detach_and_prompt_err("Call failed", cx, |_, _| None);
1991    }
1992
1993    fn join_channel(&self, channel_id: ChannelId, cx: &mut ViewContext<Self>) {
1994        let Some(workspace) = self.workspace.upgrade() else {
1995            return;
1996        };
1997        let Some(handle) = cx.window_handle().downcast::<Workspace>() else {
1998            return;
1999        };
2000        workspace::join_channel(
2001            channel_id,
2002            workspace.read(cx).app_state().clone(),
2003            Some(handle),
2004            cx,
2005        )
2006        .detach_and_prompt_err("Failed to join channel", cx, |_, _| None)
2007    }
2008
2009    fn join_channel_chat(&mut self, channel_id: ChannelId, cx: &mut ViewContext<Self>) {
2010        let Some(workspace) = self.workspace.upgrade() else {
2011            return;
2012        };
2013        cx.window_context().defer(move |cx| {
2014            workspace.update(cx, |workspace, cx| {
2015                if let Some(panel) = workspace.focus_panel::<ChatPanel>(cx) {
2016                    panel.update(cx, |panel, cx| {
2017                        panel
2018                            .select_channel(channel_id, None, cx)
2019                            .detach_and_notify_err(cx);
2020                    });
2021                }
2022            });
2023        });
2024    }
2025
2026    fn copy_channel_link(&mut self, channel_id: ChannelId, cx: &mut ViewContext<Self>) {
2027        let channel_store = self.channel_store.read(cx);
2028        let Some(channel) = channel_store.channel_for_id(channel_id) else {
2029            return;
2030        };
2031        let item = ClipboardItem::new(channel.link(cx));
2032        cx.write_to_clipboard(item)
2033    }
2034
2035    fn render_signed_out(&mut self, cx: &mut ViewContext<Self>) -> Div {
2036        let collab_blurb = "Work with your team in realtime with collaborative editing, voice, shared notes and more.";
2037
2038        v_flex()
2039            .gap_6()
2040            .p_4()
2041            .child(Label::new(collab_blurb))
2042            .child(
2043                v_flex()
2044                    .gap_2()
2045                    .child(
2046                        Button::new("sign_in", "Sign in")
2047                            .icon_color(Color::Muted)
2048                            .icon(IconName::Github)
2049                            .icon_position(IconPosition::Start)
2050                            .style(ButtonStyle::Filled)
2051                            .full_width()
2052                            .on_click(cx.listener(|this, _, cx| {
2053                                let client = this.client.clone();
2054                                cx.spawn(|_, mut cx| async move {
2055                                    client
2056                                        .authenticate_and_connect(true, &cx)
2057                                        .await
2058                                        .notify_async_err(&mut cx);
2059                                })
2060                                .detach()
2061                            })),
2062                    )
2063                    .child(
2064                        div().flex().w_full().items_center().child(
2065                            Label::new("Sign in to enable collaboration.")
2066                                .color(Color::Muted)
2067                                .size(LabelSize::Small),
2068                        ),
2069                    ),
2070            )
2071    }
2072
2073    fn render_list_entry(&mut self, ix: usize, cx: &mut ViewContext<Self>) -> AnyElement {
2074        let entry = &self.entries[ix];
2075
2076        let is_selected = self.selection == Some(ix);
2077        match entry {
2078            ListEntry::Header(section) => {
2079                let is_collapsed = self.collapsed_sections.contains(section);
2080                self.render_header(*section, is_selected, is_collapsed, cx)
2081                    .into_any_element()
2082            }
2083            ListEntry::Contact { contact, calling } => self
2084                .render_contact(contact, *calling, is_selected, cx)
2085                .into_any_element(),
2086            ListEntry::ContactPlaceholder => self
2087                .render_contact_placeholder(is_selected, cx)
2088                .into_any_element(),
2089            ListEntry::IncomingRequest(user) => self
2090                .render_contact_request(user, true, is_selected, cx)
2091                .into_any_element(),
2092            ListEntry::OutgoingRequest(user) => self
2093                .render_contact_request(user, false, is_selected, cx)
2094                .into_any_element(),
2095            ListEntry::Channel {
2096                channel,
2097                depth,
2098                has_children,
2099            } => self
2100                .render_channel(channel, *depth, *has_children, is_selected, ix, cx)
2101                .into_any_element(),
2102            ListEntry::ChannelEditor { depth } => {
2103                self.render_channel_editor(*depth, cx).into_any_element()
2104            }
2105            ListEntry::ChannelInvite(channel) => self
2106                .render_channel_invite(channel, is_selected, cx)
2107                .into_any_element(),
2108            ListEntry::CallParticipant {
2109                user,
2110                peer_id,
2111                is_pending,
2112                role,
2113            } => self
2114                .render_call_participant(user, *peer_id, *is_pending, *role, is_selected, cx)
2115                .into_any_element(),
2116            ListEntry::ParticipantProject {
2117                project_id,
2118                worktree_root_names,
2119                host_user_id,
2120                is_last,
2121            } => self
2122                .render_participant_project(
2123                    *project_id,
2124                    &worktree_root_names,
2125                    *host_user_id,
2126                    *is_last,
2127                    is_selected,
2128                    cx,
2129                )
2130                .into_any_element(),
2131            ListEntry::ParticipantScreen { peer_id, is_last } => self
2132                .render_participant_screen(*peer_id, *is_last, is_selected, cx)
2133                .into_any_element(),
2134            ListEntry::ChannelNotes { channel_id } => self
2135                .render_channel_notes(*channel_id, is_selected, cx)
2136                .into_any_element(),
2137            ListEntry::ChannelChat { channel_id } => self
2138                .render_channel_chat(*channel_id, is_selected, cx)
2139                .into_any_element(),
2140
2141            ListEntry::HostedProject { id, name } => self
2142                .render_channel_project(*id, name, is_selected, cx)
2143                .into_any_element(),
2144        }
2145    }
2146
2147    fn render_signed_in(&mut self, cx: &mut ViewContext<Self>) -> Div {
2148        v_flex()
2149            .size_full()
2150            .child(list(self.list_state.clone()).size_full())
2151            .child(
2152                v_flex()
2153                    .child(div().mx_2().border_primary(cx).border_t())
2154                    .child(
2155                        v_flex()
2156                            .p_2()
2157                            .child(self.render_filter_input(&self.filter_editor, cx)),
2158                    ),
2159            )
2160    }
2161
2162    fn render_filter_input(
2163        &self,
2164        editor: &View<Editor>,
2165        cx: &mut ViewContext<Self>,
2166    ) -> impl IntoElement {
2167        let settings = ThemeSettings::get_global(cx);
2168        let text_style = TextStyle {
2169            color: if editor.read(cx).read_only(cx) {
2170                cx.theme().colors().text_disabled
2171            } else {
2172                cx.theme().colors().text
2173            },
2174            font_family: settings.ui_font.family.clone(),
2175            font_features: settings.ui_font.features,
2176            font_size: rems(0.875).into(),
2177            font_weight: FontWeight::NORMAL,
2178            font_style: FontStyle::Normal,
2179            line_height: relative(1.3),
2180            background_color: None,
2181            underline: None,
2182            strikethrough: None,
2183            white_space: WhiteSpace::Normal,
2184        };
2185
2186        EditorElement::new(
2187            editor,
2188            EditorStyle {
2189                local_player: cx.theme().players().local(),
2190                text: text_style,
2191                ..Default::default()
2192            },
2193        )
2194    }
2195
2196    fn render_header(
2197        &self,
2198        section: Section,
2199        is_selected: bool,
2200        is_collapsed: bool,
2201        cx: &ViewContext<Self>,
2202    ) -> impl IntoElement {
2203        let mut channel_link = None;
2204        let mut channel_tooltip_text = None;
2205        let mut channel_icon = None;
2206
2207        let text = match section {
2208            Section::ActiveCall => {
2209                let channel_name = maybe!({
2210                    let channel_id = ActiveCall::global(cx).read(cx).channel_id(cx)?;
2211
2212                    let channel = self.channel_store.read(cx).channel_for_id(channel_id)?;
2213
2214                    channel_link = Some(channel.link(cx));
2215                    (channel_icon, channel_tooltip_text) = match channel.visibility {
2216                        proto::ChannelVisibility::Public => {
2217                            (Some("icons/public.svg"), Some("Copy public channel link."))
2218                        }
2219                        proto::ChannelVisibility::Members => {
2220                            (Some("icons/hash.svg"), Some("Copy private channel link."))
2221                        }
2222                    };
2223
2224                    Some(channel.name.as_ref())
2225                });
2226
2227                if let Some(name) = channel_name {
2228                    SharedString::from(name.to_string())
2229                } else {
2230                    SharedString::from("Current Call")
2231                }
2232            }
2233            Section::ContactRequests => SharedString::from("Requests"),
2234            Section::Contacts => SharedString::from("Contacts"),
2235            Section::Channels => SharedString::from("Channels"),
2236            Section::ChannelInvites => SharedString::from("Invites"),
2237            Section::Online => SharedString::from("Online"),
2238            Section::Offline => SharedString::from("Offline"),
2239        };
2240
2241        let button = match section {
2242            Section::ActiveCall => channel_link.map(|channel_link| {
2243                let channel_link_copy = channel_link.clone();
2244                IconButton::new("channel-link", IconName::Copy)
2245                    .icon_size(IconSize::Small)
2246                    .size(ButtonSize::None)
2247                    .visible_on_hover("section-header")
2248                    .on_click(move |_, cx| {
2249                        let item = ClipboardItem::new(channel_link_copy.clone());
2250                        cx.write_to_clipboard(item)
2251                    })
2252                    .tooltip(|cx| Tooltip::text("Copy channel link", cx))
2253                    .into_any_element()
2254            }),
2255            Section::Contacts => Some(
2256                IconButton::new("add-contact", IconName::Plus)
2257                    .on_click(cx.listener(|this, _, cx| this.toggle_contact_finder(cx)))
2258                    .tooltip(|cx| Tooltip::text("Search for new contact", cx))
2259                    .into_any_element(),
2260            ),
2261            Section::Channels => Some(
2262                IconButton::new("add-channel", IconName::Plus)
2263                    .on_click(cx.listener(|this, _, cx| this.new_root_channel(cx)))
2264                    .tooltip(|cx| Tooltip::text("Create a channel", cx))
2265                    .into_any_element(),
2266            ),
2267            _ => None,
2268        };
2269
2270        let can_collapse = match section {
2271            Section::ActiveCall | Section::Channels | Section::Contacts => false,
2272            Section::ChannelInvites
2273            | Section::ContactRequests
2274            | Section::Online
2275            | Section::Offline => true,
2276        };
2277
2278        h_flex().w_full().group("section-header").child(
2279            ListHeader::new(text)
2280                .when(can_collapse, |header| {
2281                    header
2282                        .toggle(Some(!is_collapsed))
2283                        .on_toggle(cx.listener(move |this, _, cx| {
2284                            this.toggle_section_expanded(section, cx);
2285                        }))
2286                })
2287                .inset(true)
2288                .end_slot::<AnyElement>(button)
2289                .selected(is_selected),
2290        )
2291    }
2292
2293    fn render_contact(
2294        &self,
2295        contact: &Arc<Contact>,
2296        calling: bool,
2297        is_selected: bool,
2298        cx: &mut ViewContext<Self>,
2299    ) -> impl IntoElement {
2300        let online = contact.online;
2301        let busy = contact.busy || calling;
2302        let github_login = SharedString::from(contact.user.github_login.clone());
2303        let item = ListItem::new(github_login.clone())
2304            .indent_level(1)
2305            .indent_step_size(px(20.))
2306            .selected(is_selected)
2307            .child(
2308                h_flex()
2309                    .w_full()
2310                    .justify_between()
2311                    .child(Label::new(github_login.clone()))
2312                    .when(calling, |el| {
2313                        el.child(Label::new("Calling").color(Color::Muted))
2314                    })
2315                    .when(!calling, |el| {
2316                        el.child(
2317                            IconButton::new("contact context menu", IconName::Ellipsis)
2318                                .icon_color(Color::Muted)
2319                                .visible_on_hover("")
2320                                .on_click(cx.listener({
2321                                    let contact = contact.clone();
2322                                    move |this, event: &ClickEvent, cx| {
2323                                        this.deploy_contact_context_menu(
2324                                            event.down.position,
2325                                            contact.clone(),
2326                                            cx,
2327                                        );
2328                                    }
2329                                })),
2330                        )
2331                    }),
2332            )
2333            .on_secondary_mouse_down(cx.listener({
2334                let contact = contact.clone();
2335                move |this, event: &MouseDownEvent, cx| {
2336                    this.deploy_contact_context_menu(event.position, contact.clone(), cx);
2337                }
2338            }))
2339            .start_slot(
2340                // todo handle contacts with no avatar
2341                Avatar::new(contact.user.avatar_uri.clone())
2342                    .indicator::<AvatarAvailabilityIndicator>(if online {
2343                        Some(AvatarAvailabilityIndicator::new(match busy {
2344                            true => ui::Availability::Busy,
2345                            false => ui::Availability::Free,
2346                        }))
2347                    } else {
2348                        None
2349                    }),
2350            );
2351
2352        div()
2353            .id(github_login.clone())
2354            .group("")
2355            .child(item)
2356            .tooltip(move |cx| {
2357                let text = if !online {
2358                    format!(" {} is offline", &github_login)
2359                } else if busy {
2360                    format!(" {} is on a call", &github_login)
2361                } else {
2362                    let room = ActiveCall::global(cx).read(cx).room();
2363                    if room.is_some() {
2364                        format!("Invite {} to join call", &github_login)
2365                    } else {
2366                        format!("Call {}", &github_login)
2367                    }
2368                };
2369                Tooltip::text(text, cx)
2370            })
2371    }
2372
2373    fn render_contact_request(
2374        &self,
2375        user: &Arc<User>,
2376        is_incoming: bool,
2377        is_selected: bool,
2378        cx: &mut ViewContext<Self>,
2379    ) -> impl IntoElement {
2380        let github_login = SharedString::from(user.github_login.clone());
2381        let user_id = user.id;
2382        let is_response_pending = self.user_store.read(cx).is_contact_request_pending(&user);
2383        let color = if is_response_pending {
2384            Color::Muted
2385        } else {
2386            Color::Default
2387        };
2388
2389        let controls = if is_incoming {
2390            vec![
2391                IconButton::new("decline-contact", IconName::Close)
2392                    .on_click(cx.listener(move |this, _, cx| {
2393                        this.respond_to_contact_request(user_id, false, cx);
2394                    }))
2395                    .icon_color(color)
2396                    .tooltip(|cx| Tooltip::text("Decline invite", cx)),
2397                IconButton::new("accept-contact", IconName::Check)
2398                    .on_click(cx.listener(move |this, _, cx| {
2399                        this.respond_to_contact_request(user_id, true, cx);
2400                    }))
2401                    .icon_color(color)
2402                    .tooltip(|cx| Tooltip::text("Accept invite", cx)),
2403            ]
2404        } else {
2405            let github_login = github_login.clone();
2406            vec![IconButton::new("remove_contact", IconName::Close)
2407                .on_click(cx.listener(move |this, _, cx| {
2408                    this.remove_contact(user_id, &github_login, cx);
2409                }))
2410                .icon_color(color)
2411                .tooltip(|cx| Tooltip::text("Cancel invite", cx))]
2412        };
2413
2414        ListItem::new(github_login.clone())
2415            .indent_level(1)
2416            .indent_step_size(px(20.))
2417            .selected(is_selected)
2418            .child(
2419                h_flex()
2420                    .w_full()
2421                    .justify_between()
2422                    .child(Label::new(github_login.clone()))
2423                    .child(h_flex().children(controls)),
2424            )
2425            .start_slot(Avatar::new(user.avatar_uri.clone()))
2426    }
2427
2428    fn render_channel_invite(
2429        &self,
2430        channel: &Arc<Channel>,
2431        is_selected: bool,
2432        cx: &mut ViewContext<Self>,
2433    ) -> ListItem {
2434        let channel_id = channel.id;
2435        let response_is_pending = self
2436            .channel_store
2437            .read(cx)
2438            .has_pending_channel_invite_response(&channel);
2439        let color = if response_is_pending {
2440            Color::Muted
2441        } else {
2442            Color::Default
2443        };
2444
2445        let controls = [
2446            IconButton::new("reject-invite", IconName::Close)
2447                .on_click(cx.listener(move |this, _, cx| {
2448                    this.respond_to_channel_invite(channel_id, false, cx);
2449                }))
2450                .icon_color(color)
2451                .tooltip(|cx| Tooltip::text("Decline invite", cx)),
2452            IconButton::new("accept-invite", IconName::Check)
2453                .on_click(cx.listener(move |this, _, cx| {
2454                    this.respond_to_channel_invite(channel_id, true, cx);
2455                }))
2456                .icon_color(color)
2457                .tooltip(|cx| Tooltip::text("Accept invite", cx)),
2458        ];
2459
2460        ListItem::new(("channel-invite", channel.id.0 as usize))
2461            .selected(is_selected)
2462            .child(
2463                h_flex()
2464                    .w_full()
2465                    .justify_between()
2466                    .child(Label::new(channel.name.clone()))
2467                    .child(h_flex().children(controls)),
2468            )
2469            .start_slot(
2470                Icon::new(IconName::Hash)
2471                    .size(IconSize::Small)
2472                    .color(Color::Muted),
2473            )
2474    }
2475
2476    fn render_contact_placeholder(
2477        &self,
2478        is_selected: bool,
2479        cx: &mut ViewContext<Self>,
2480    ) -> ListItem {
2481        ListItem::new("contact-placeholder")
2482            .child(Icon::new(IconName::Plus))
2483            .child(Label::new("Add a Contact"))
2484            .selected(is_selected)
2485            .on_click(cx.listener(|this, _, cx| this.toggle_contact_finder(cx)))
2486    }
2487
2488    fn render_channel(
2489        &self,
2490        channel: &Channel,
2491        depth: usize,
2492        has_children: bool,
2493        is_selected: bool,
2494        ix: usize,
2495        cx: &mut ViewContext<Self>,
2496    ) -> impl IntoElement {
2497        let channel_id = channel.id;
2498
2499        let is_active = maybe!({
2500            let call_channel = ActiveCall::global(cx)
2501                .read(cx)
2502                .room()?
2503                .read(cx)
2504                .channel_id()?;
2505            Some(call_channel == channel_id)
2506        })
2507        .unwrap_or(false);
2508        let channel_store = self.channel_store.read(cx);
2509        let is_public = channel_store
2510            .channel_for_id(channel_id)
2511            .map(|channel| channel.visibility)
2512            == Some(proto::ChannelVisibility::Public);
2513        let disclosed =
2514            has_children.then(|| self.collapsed_channels.binary_search(&channel.id).is_err());
2515
2516        let has_messages_notification = channel_store.has_new_messages(channel_id);
2517        let has_notes_notification = channel_store.has_channel_buffer_changed(channel_id);
2518
2519        const FACEPILE_LIMIT: usize = 3;
2520        let participants = self.channel_store.read(cx).channel_participants(channel_id);
2521
2522        let face_pile = if !participants.is_empty() {
2523            let extra_count = participants.len().saturating_sub(FACEPILE_LIMIT);
2524            let result = FacePile::new(
2525                participants
2526                    .iter()
2527                    .map(|user| Avatar::new(user.avatar_uri.clone()).into_any_element())
2528                    .take(FACEPILE_LIMIT)
2529                    .chain(if extra_count > 0 {
2530                        Some(
2531                            div()
2532                                .ml_2()
2533                                .child(Label::new(format!("+{extra_count}")))
2534                                .into_any_element(),
2535                        )
2536                    } else {
2537                        None
2538                    })
2539                    .collect::<SmallVec<_>>(),
2540            );
2541
2542            Some(result)
2543        } else {
2544            None
2545        };
2546
2547        let width = self.width.unwrap_or(px(240.));
2548        let root_id = channel.root_id();
2549
2550        div()
2551            .h_6()
2552            .id(channel_id.0 as usize)
2553            .group("")
2554            .flex()
2555            .w_full()
2556            .when(!channel.is_root_channel(), |el| {
2557                el.on_drag(channel.clone(), move |channel, cx| {
2558                    cx.new_view(|_| DraggedChannelView {
2559                        channel: channel.clone(),
2560                        width,
2561                    })
2562                })
2563            })
2564            .drag_over::<Channel>({
2565                move |style, dragged_channel: &Channel, cx| {
2566                    if dragged_channel.root_id() == root_id {
2567                        style.bg(cx.theme().colors().ghost_element_hover)
2568                    } else {
2569                        style
2570                    }
2571                }
2572            })
2573            .on_drop(cx.listener(move |this, dragged_channel: &Channel, cx| {
2574                if dragged_channel.root_id() != root_id {
2575                    return;
2576                }
2577                this.move_channel(dragged_channel.id, channel_id, cx);
2578            }))
2579            .child(
2580                ListItem::new(channel_id.0 as usize)
2581                    // Add one level of depth for the disclosure arrow.
2582                    .indent_level(depth + 1)
2583                    .indent_step_size(px(20.))
2584                    .selected(is_selected || is_active)
2585                    .toggle(disclosed)
2586                    .on_toggle(
2587                        cx.listener(move |this, _, cx| {
2588                            this.toggle_channel_collapsed(channel_id, cx)
2589                        }),
2590                    )
2591                    .on_click(cx.listener(move |this, _, cx| {
2592                        if is_active {
2593                            this.open_channel_notes(channel_id, cx)
2594                        } else {
2595                            this.join_channel(channel_id, cx)
2596                        }
2597                    }))
2598                    .on_secondary_mouse_down(cx.listener(
2599                        move |this, event: &MouseDownEvent, cx| {
2600                            this.deploy_channel_context_menu(event.position, channel_id, ix, cx)
2601                        },
2602                    ))
2603                    .start_slot(
2604                        div()
2605                            .relative()
2606                            .child(
2607                                Icon::new(if is_public {
2608                                    IconName::Public
2609                                } else {
2610                                    IconName::Hash
2611                                })
2612                                .size(IconSize::Small)
2613                                .color(Color::Muted),
2614                            )
2615                            .children(has_notes_notification.then(|| {
2616                                div()
2617                                    .w_1p5()
2618                                    .absolute()
2619                                    .right(px(-1.))
2620                                    .top(px(-1.))
2621                                    .child(Indicator::dot().color(Color::Info))
2622                            })),
2623                    )
2624                    .child(
2625                        h_flex()
2626                            .id(channel_id.0 as usize)
2627                            .child(Label::new(channel.name.clone()))
2628                            .children(face_pile.map(|face_pile| face_pile.p_1())),
2629                    ),
2630            )
2631            .child(
2632                h_flex().absolute().right(rems(0.)).h_full().child(
2633                    h_flex()
2634                        .h_full()
2635                        .gap_1()
2636                        .px_1()
2637                        .child(
2638                            IconButton::new("channel_chat", IconName::MessageBubbles)
2639                                .style(ButtonStyle::Filled)
2640                                .shape(ui::IconButtonShape::Square)
2641                                .icon_size(IconSize::Small)
2642                                .icon_color(if has_messages_notification {
2643                                    Color::Default
2644                                } else {
2645                                    Color::Muted
2646                                })
2647                                .on_click(cx.listener(move |this, _, cx| {
2648                                    this.join_channel_chat(channel_id, cx)
2649                                }))
2650                                .tooltip(|cx| Tooltip::text("Open channel chat", cx))
2651                                .visible_on_hover(""),
2652                        )
2653                        .child(
2654                            IconButton::new("channel_notes", IconName::File)
2655                                .style(ButtonStyle::Filled)
2656                                .shape(ui::IconButtonShape::Square)
2657                                .icon_size(IconSize::Small)
2658                                .icon_color(if has_notes_notification {
2659                                    Color::Default
2660                                } else {
2661                                    Color::Muted
2662                                })
2663                                .on_click(cx.listener(move |this, _, cx| {
2664                                    this.open_channel_notes(channel_id, cx)
2665                                }))
2666                                .tooltip(|cx| Tooltip::text("Open channel notes", cx))
2667                                .visible_on_hover(""),
2668                        ),
2669                ),
2670            )
2671            .tooltip({
2672                let channel_store = self.channel_store.clone();
2673                move |cx| {
2674                    cx.new_view(|_| JoinChannelTooltip {
2675                        channel_store: channel_store.clone(),
2676                        channel_id,
2677                        has_notes_notification,
2678                    })
2679                    .into()
2680                }
2681            })
2682    }
2683
2684    fn render_channel_editor(&self, depth: usize, _cx: &mut ViewContext<Self>) -> impl IntoElement {
2685        let item = ListItem::new("channel-editor")
2686            .inset(false)
2687            // Add one level of depth for the disclosure arrow.
2688            .indent_level(depth + 1)
2689            .indent_step_size(px(20.))
2690            .start_slot(
2691                Icon::new(IconName::Hash)
2692                    .size(IconSize::Small)
2693                    .color(Color::Muted),
2694            );
2695
2696        if let Some(pending_name) = self
2697            .channel_editing_state
2698            .as_ref()
2699            .and_then(|state| state.pending_name())
2700        {
2701            item.child(Label::new(pending_name))
2702        } else {
2703            item.child(self.channel_name_editor.clone())
2704        }
2705    }
2706}
2707
2708fn render_tree_branch(is_last: bool, overdraw: bool, cx: &mut WindowContext) -> impl IntoElement {
2709    let rem_size = cx.rem_size();
2710    let line_height = cx.text_style().line_height_in_pixels(rem_size);
2711    let width = rem_size * 1.5;
2712    let thickness = px(1.);
2713    let color = cx.theme().colors().text;
2714
2715    canvas(
2716        |_, _| {},
2717        move |bounds, _, cx| {
2718            let start_x = (bounds.left() + bounds.right() - thickness) / 2.;
2719            let start_y = (bounds.top() + bounds.bottom() - thickness) / 2.;
2720            let right = bounds.right();
2721            let top = bounds.top();
2722
2723            cx.paint_quad(fill(
2724                Bounds::from_corners(
2725                    point(start_x, top),
2726                    point(
2727                        start_x + thickness,
2728                        if is_last {
2729                            start_y
2730                        } else {
2731                            bounds.bottom() + if overdraw { px(1.) } else { px(0.) }
2732                        },
2733                    ),
2734                ),
2735                color,
2736            ));
2737            cx.paint_quad(fill(
2738                Bounds::from_corners(point(start_x, start_y), point(right, start_y + thickness)),
2739                color,
2740            ));
2741        },
2742    )
2743    .w(width)
2744    .h(line_height)
2745}
2746
2747impl Render for CollabPanel {
2748    fn render(&mut self, cx: &mut ViewContext<Self>) -> impl IntoElement {
2749        v_flex()
2750            .key_context("CollabPanel")
2751            .on_action(cx.listener(CollabPanel::cancel))
2752            .on_action(cx.listener(CollabPanel::select_next))
2753            .on_action(cx.listener(CollabPanel::select_prev))
2754            .on_action(cx.listener(CollabPanel::confirm))
2755            .on_action(cx.listener(CollabPanel::insert_space))
2756            .on_action(cx.listener(CollabPanel::remove_selected_channel))
2757            .on_action(cx.listener(CollabPanel::show_inline_context_menu))
2758            .on_action(cx.listener(CollabPanel::rename_selected_channel))
2759            .on_action(cx.listener(CollabPanel::collapse_selected_channel))
2760            .on_action(cx.listener(CollabPanel::expand_selected_channel))
2761            .on_action(cx.listener(CollabPanel::start_move_selected_channel))
2762            .track_focus(&self.focus_handle)
2763            .size_full()
2764            .child(if self.user_store.read(cx).current_user().is_none() {
2765                self.render_signed_out(cx)
2766            } else {
2767                self.render_signed_in(cx)
2768            })
2769            .children(self.context_menu.as_ref().map(|(menu, position, _)| {
2770                deferred(
2771                    anchored()
2772                        .position(*position)
2773                        .anchor(gpui::AnchorCorner::TopLeft)
2774                        .child(menu.clone()),
2775                )
2776                .with_priority(1)
2777            }))
2778    }
2779}
2780
2781impl EventEmitter<PanelEvent> for CollabPanel {}
2782
2783impl Panel for CollabPanel {
2784    fn position(&self, cx: &gpui::WindowContext) -> DockPosition {
2785        CollaborationPanelSettings::get_global(cx).dock
2786    }
2787
2788    fn position_is_valid(&self, position: DockPosition) -> bool {
2789        matches!(position, DockPosition::Left | DockPosition::Right)
2790    }
2791
2792    fn set_position(&mut self, position: DockPosition, cx: &mut ViewContext<Self>) {
2793        settings::update_settings_file::<CollaborationPanelSettings>(
2794            self.fs.clone(),
2795            cx,
2796            move |settings| settings.dock = Some(position),
2797        );
2798    }
2799
2800    fn size(&self, cx: &gpui::WindowContext) -> Pixels {
2801        self.width
2802            .unwrap_or_else(|| CollaborationPanelSettings::get_global(cx).default_width)
2803    }
2804
2805    fn set_size(&mut self, size: Option<Pixels>, cx: &mut ViewContext<Self>) {
2806        self.width = size;
2807        self.serialize(cx);
2808        cx.notify();
2809    }
2810
2811    fn icon(&self, cx: &gpui::WindowContext) -> Option<ui::IconName> {
2812        CollaborationPanelSettings::get_global(cx)
2813            .button
2814            .then(|| ui::IconName::Collab)
2815    }
2816
2817    fn icon_tooltip(&self, _cx: &WindowContext) -> Option<&'static str> {
2818        Some("Collab Panel")
2819    }
2820
2821    fn toggle_action(&self) -> Box<dyn gpui::Action> {
2822        Box::new(ToggleFocus)
2823    }
2824
2825    fn persistent_name() -> &'static str {
2826        "CollabPanel"
2827    }
2828}
2829
2830impl FocusableView for CollabPanel {
2831    fn focus_handle(&self, cx: &AppContext) -> gpui::FocusHandle {
2832        self.filter_editor.focus_handle(cx).clone()
2833    }
2834}
2835
2836impl PartialEq for ListEntry {
2837    fn eq(&self, other: &Self) -> bool {
2838        match self {
2839            ListEntry::Header(section_1) => {
2840                if let ListEntry::Header(section_2) = other {
2841                    return section_1 == section_2;
2842                }
2843            }
2844            ListEntry::CallParticipant { user: user_1, .. } => {
2845                if let ListEntry::CallParticipant { user: user_2, .. } = other {
2846                    return user_1.id == user_2.id;
2847                }
2848            }
2849            ListEntry::ParticipantProject {
2850                project_id: project_id_1,
2851                ..
2852            } => {
2853                if let ListEntry::ParticipantProject {
2854                    project_id: project_id_2,
2855                    ..
2856                } = other
2857                {
2858                    return project_id_1 == project_id_2;
2859                }
2860            }
2861            ListEntry::ParticipantScreen {
2862                peer_id: peer_id_1, ..
2863            } => {
2864                if let ListEntry::ParticipantScreen {
2865                    peer_id: peer_id_2, ..
2866                } = other
2867                {
2868                    return peer_id_1 == peer_id_2;
2869                }
2870            }
2871            ListEntry::Channel {
2872                channel: channel_1, ..
2873            } => {
2874                if let ListEntry::Channel {
2875                    channel: channel_2, ..
2876                } = other
2877                {
2878                    return channel_1.id == channel_2.id;
2879                }
2880            }
2881            ListEntry::HostedProject { id, .. } => {
2882                if let ListEntry::HostedProject { id: other_id, .. } = other {
2883                    return id == other_id;
2884                }
2885            }
2886            ListEntry::ChannelNotes { channel_id } => {
2887                if let ListEntry::ChannelNotes {
2888                    channel_id: other_id,
2889                } = other
2890                {
2891                    return channel_id == other_id;
2892                }
2893            }
2894            ListEntry::ChannelChat { channel_id } => {
2895                if let ListEntry::ChannelChat {
2896                    channel_id: other_id,
2897                } = other
2898                {
2899                    return channel_id == other_id;
2900                }
2901            }
2902            ListEntry::ChannelInvite(channel_1) => {
2903                if let ListEntry::ChannelInvite(channel_2) = other {
2904                    return channel_1.id == channel_2.id;
2905                }
2906            }
2907            ListEntry::IncomingRequest(user_1) => {
2908                if let ListEntry::IncomingRequest(user_2) = other {
2909                    return user_1.id == user_2.id;
2910                }
2911            }
2912            ListEntry::OutgoingRequest(user_1) => {
2913                if let ListEntry::OutgoingRequest(user_2) = other {
2914                    return user_1.id == user_2.id;
2915                }
2916            }
2917            ListEntry::Contact {
2918                contact: contact_1, ..
2919            } => {
2920                if let ListEntry::Contact {
2921                    contact: contact_2, ..
2922                } = other
2923                {
2924                    return contact_1.user.id == contact_2.user.id;
2925                }
2926            }
2927            ListEntry::ChannelEditor { depth } => {
2928                if let ListEntry::ChannelEditor { depth: other_depth } = other {
2929                    return depth == other_depth;
2930                }
2931            }
2932            ListEntry::ContactPlaceholder => {
2933                if let ListEntry::ContactPlaceholder = other {
2934                    return true;
2935                }
2936            }
2937        }
2938        false
2939    }
2940}
2941
2942struct DraggedChannelView {
2943    channel: Channel,
2944    width: Pixels,
2945}
2946
2947impl Render for DraggedChannelView {
2948    fn render(&mut self, cx: &mut ViewContext<Self>) -> impl Element {
2949        let ui_font = ThemeSettings::get_global(cx).ui_font.family.clone();
2950        h_flex()
2951            .font(ui_font)
2952            .bg(cx.theme().colors().background)
2953            .w(self.width)
2954            .p_1()
2955            .gap_1()
2956            .child(
2957                Icon::new(
2958                    if self.channel.visibility == proto::ChannelVisibility::Public {
2959                        IconName::Public
2960                    } else {
2961                        IconName::Hash
2962                    },
2963                )
2964                .size(IconSize::Small)
2965                .color(Color::Muted),
2966            )
2967            .child(Label::new(self.channel.name.clone()))
2968    }
2969}
2970
2971struct JoinChannelTooltip {
2972    channel_store: Model<ChannelStore>,
2973    channel_id: ChannelId,
2974    has_notes_notification: bool,
2975}
2976
2977impl Render for JoinChannelTooltip {
2978    fn render(&mut self, cx: &mut ViewContext<Self>) -> impl IntoElement {
2979        tooltip_container(cx, |container, cx| {
2980            let participants = self
2981                .channel_store
2982                .read(cx)
2983                .channel_participants(self.channel_id);
2984
2985            container
2986                .child(Label::new("Join channel"))
2987                .children(self.has_notes_notification.then(|| {
2988                    h_flex()
2989                        .gap_2()
2990                        .child(Indicator::dot().color(Color::Info))
2991                        .child(Label::new("Unread notes"))
2992                }))
2993                .children(participants.iter().map(|participant| {
2994                    h_flex()
2995                        .gap_2()
2996                        .child(Avatar::new(participant.avatar_uri.clone()))
2997                        .child(Label::new(participant.github_login.clone()))
2998                }))
2999        })
3000    }
3001}