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, HostedProjectId};
  11use client::{ChannelId, Client, Contact, 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, canvas, div, fill, list, overlay, point, prelude::*, px, AnyElement, AppContext,
  18    AsyncWindowContext, Bounds, ClickEvent, ClipboardItem, DismissEvent, Div, EventEmitter,
  19    FocusHandle, FocusableView, FontStyle, FontWeight, InteractiveElement, IntoElement, ListOffset,
  20    ListState, Model, MouseDownEvent, ParentElement, Pixels, Point, PromptLevel, Render,
  21    SharedString, Styled, Subscription, Task, TextStyle, View, ViewContext, VisualContext,
  22    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: HostedProjectId,
 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_remote_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                            .z_index(1)
 993                            .absolute()
 994                            .right(px(2.))
 995                            .top(px(2.))
 996                            .child(Indicator::dot().color(Color::Info))
 997                    })),
 998            )
 999            .child(Label::new("notes"))
1000            .tooltip(move |cx| Tooltip::text("Open Channel Notes", cx))
1001    }
1002
1003    fn render_channel_chat(
1004        &self,
1005        channel_id: ChannelId,
1006        is_selected: bool,
1007        cx: &mut ViewContext<Self>,
1008    ) -> impl IntoElement {
1009        let channel_store = self.channel_store.read(cx);
1010        let has_messages_notification = channel_store.has_new_messages(channel_id);
1011        ListItem::new("channel-chat")
1012            .selected(is_selected)
1013            .on_click(cx.listener(move |this, _, cx| {
1014                this.join_channel_chat(channel_id, cx);
1015            }))
1016            .start_slot(
1017                h_flex()
1018                    .relative()
1019                    .gap_1()
1020                    .child(render_tree_branch(false, false, cx))
1021                    .child(IconButton::new(0, IconName::MessageBubbles))
1022                    .children(has_messages_notification.then(|| {
1023                        div()
1024                            .w_1p5()
1025                            .z_index(1)
1026                            .absolute()
1027                            .right(px(2.))
1028                            .top(px(4.))
1029                            .child(Indicator::dot().color(Color::Info))
1030                    })),
1031            )
1032            .child(Label::new("chat"))
1033            .tooltip(move |cx| Tooltip::text("Open Chat", cx))
1034    }
1035
1036    fn render_channel_project(
1037        &self,
1038        id: HostedProjectId,
1039        name: &SharedString,
1040        is_selected: bool,
1041        cx: &mut ViewContext<Self>,
1042    ) -> impl IntoElement {
1043        ListItem::new(ElementId::NamedInteger(
1044            "channel-project".into(),
1045            id.0 as usize,
1046        ))
1047        .indent_level(2)
1048        .indent_step_size(px(20.))
1049        .selected(is_selected)
1050        .on_click(cx.listener(move |_this, _, _cx| {
1051            // todo()
1052        }))
1053        .start_slot(
1054            h_flex()
1055                .relative()
1056                .gap_1()
1057                .child(IconButton::new(0, IconName::FileTree)),
1058        )
1059        .child(Label::new(name.clone()))
1060        .tooltip(move |cx| Tooltip::text("Open Project", cx))
1061    }
1062
1063    fn has_subchannels(&self, ix: usize) -> bool {
1064        self.entries.get(ix).map_or(false, |entry| {
1065            if let ListEntry::Channel { has_children, .. } = entry {
1066                *has_children
1067            } else {
1068                false
1069            }
1070        })
1071    }
1072
1073    fn deploy_participant_context_menu(
1074        &mut self,
1075        position: Point<Pixels>,
1076        user_id: u64,
1077        role: proto::ChannelRole,
1078        cx: &mut ViewContext<Self>,
1079    ) {
1080        let this = cx.view().clone();
1081        if !(role == proto::ChannelRole::Guest
1082            || role == proto::ChannelRole::Talker
1083            || role == proto::ChannelRole::Member)
1084        {
1085            return;
1086        }
1087
1088        let context_menu = ContextMenu::build(cx, |mut context_menu, cx| {
1089            if role == proto::ChannelRole::Guest {
1090                context_menu = context_menu.entry(
1091                    "Grant Mic Access",
1092                    None,
1093                    cx.handler_for(&this, move |_, cx| {
1094                        ActiveCall::global(cx)
1095                            .update(cx, |call, cx| {
1096                                let Some(room) = call.room() else {
1097                                    return Task::ready(Ok(()));
1098                                };
1099                                room.update(cx, |room, cx| {
1100                                    room.set_participant_role(
1101                                        user_id,
1102                                        proto::ChannelRole::Talker,
1103                                        cx,
1104                                    )
1105                                })
1106                            })
1107                            .detach_and_prompt_err("Failed to grant mic access", cx, |_, _| None)
1108                    }),
1109                );
1110            }
1111            if role == proto::ChannelRole::Guest || role == proto::ChannelRole::Talker {
1112                context_menu = context_menu.entry(
1113                    "Grant Write Access",
1114                    None,
1115                    cx.handler_for(&this, move |_, cx| {
1116                        ActiveCall::global(cx)
1117                            .update(cx, |call, cx| {
1118                                let Some(room) = call.room() else {
1119                                    return Task::ready(Ok(()));
1120                                };
1121                                room.update(cx, |room, cx| {
1122                                    room.set_participant_role(
1123                                        user_id,
1124                                        proto::ChannelRole::Member,
1125                                        cx,
1126                                    )
1127                                })
1128                            })
1129                            .detach_and_prompt_err("Failed to grant write access", cx, |e, _| {
1130                                match e.error_code() {
1131                                    ErrorCode::NeedsCla => Some("This user has not yet signed the CLA at https://zed.dev/cla.".into()),
1132                                    _ => None,
1133                                }
1134                            })
1135                    }),
1136                );
1137            }
1138            if role == proto::ChannelRole::Member || role == proto::ChannelRole::Talker {
1139                let label = if role == proto::ChannelRole::Talker {
1140                    "Mute"
1141                } else {
1142                    "Revoke Access"
1143                };
1144                context_menu = context_menu.entry(
1145                    label,
1146                    None,
1147                    cx.handler_for(&this, move |_, cx| {
1148                        ActiveCall::global(cx)
1149                            .update(cx, |call, cx| {
1150                                let Some(room) = call.room() else {
1151                                    return Task::ready(Ok(()));
1152                                };
1153                                room.update(cx, |room, cx| {
1154                                    room.set_participant_role(
1155                                        user_id,
1156                                        proto::ChannelRole::Guest,
1157                                        cx,
1158                                    )
1159                                })
1160                            })
1161                            .detach_and_prompt_err("Failed to revoke access", cx, |_, _| None)
1162                    }),
1163                );
1164            }
1165
1166            context_menu
1167        });
1168
1169        cx.focus_view(&context_menu);
1170        let subscription =
1171            cx.subscribe(&context_menu, |this, _, _: &DismissEvent, cx| {
1172                if this.context_menu.as_ref().is_some_and(|context_menu| {
1173                    context_menu.0.focus_handle(cx).contains_focused(cx)
1174                }) {
1175                    cx.focus_self();
1176                }
1177                this.context_menu.take();
1178                cx.notify();
1179            });
1180        self.context_menu = Some((context_menu, position, subscription));
1181    }
1182
1183    fn deploy_channel_context_menu(
1184        &mut self,
1185        position: Point<Pixels>,
1186        channel_id: ChannelId,
1187        ix: usize,
1188        cx: &mut ViewContext<Self>,
1189    ) {
1190        let clipboard_channel_name = self.channel_clipboard.as_ref().and_then(|clipboard| {
1191            self.channel_store
1192                .read(cx)
1193                .channel_for_id(clipboard.channel_id)
1194                .map(|channel| channel.name.clone())
1195        });
1196        let this = cx.view().clone();
1197
1198        let context_menu = ContextMenu::build(cx, |mut context_menu, cx| {
1199            if self.has_subchannels(ix) {
1200                let expand_action_name = if self.is_channel_collapsed(channel_id) {
1201                    "Expand Subchannels"
1202                } else {
1203                    "Collapse Subchannels"
1204                };
1205                context_menu = context_menu.entry(
1206                    expand_action_name,
1207                    None,
1208                    cx.handler_for(&this, move |this, cx| {
1209                        this.toggle_channel_collapsed(channel_id, cx)
1210                    }),
1211                );
1212            }
1213
1214            context_menu = context_menu
1215                .entry(
1216                    "Open Notes",
1217                    None,
1218                    cx.handler_for(&this, move |this, cx| {
1219                        this.open_channel_notes(channel_id, cx)
1220                    }),
1221                )
1222                .entry(
1223                    "Open Chat",
1224                    None,
1225                    cx.handler_for(&this, move |this, cx| {
1226                        this.join_channel_chat(channel_id, cx)
1227                    }),
1228                )
1229                .entry(
1230                    "Copy Channel Link",
1231                    None,
1232                    cx.handler_for(&this, move |this, cx| {
1233                        this.copy_channel_link(channel_id, cx)
1234                    }),
1235                );
1236
1237            let mut has_destructive_actions = false;
1238            if self.channel_store.read(cx).is_channel_admin(channel_id) {
1239                has_destructive_actions = true;
1240                context_menu = context_menu
1241                    .separator()
1242                    .entry(
1243                        "New Subchannel",
1244                        None,
1245                        cx.handler_for(&this, move |this, cx| this.new_subchannel(channel_id, cx)),
1246                    )
1247                    .entry(
1248                        "Rename",
1249                        Some(Box::new(SecondaryConfirm)),
1250                        cx.handler_for(&this, move |this, cx| this.rename_channel(channel_id, cx)),
1251                    );
1252
1253                if let Some(channel_name) = clipboard_channel_name {
1254                    context_menu = context_menu.separator().entry(
1255                        format!("Move '#{}' here", channel_name),
1256                        None,
1257                        cx.handler_for(&this, move |this, cx| {
1258                            this.move_channel_on_clipboard(channel_id, cx)
1259                        }),
1260                    );
1261                }
1262
1263                if self.channel_store.read(cx).is_root_channel(channel_id) {
1264                    context_menu = context_menu.separator().entry(
1265                        "Manage Members",
1266                        None,
1267                        cx.handler_for(&this, move |this, cx| this.manage_members(channel_id, cx)),
1268                    )
1269                } else {
1270                    context_menu = context_menu.entry(
1271                        "Move this channel",
1272                        None,
1273                        cx.handler_for(&this, move |this, cx| {
1274                            this.start_move_channel(channel_id, cx)
1275                        }),
1276                    );
1277                    if self.channel_store.read(cx).is_public_channel(channel_id) {
1278                        context_menu = context_menu.separator().entry(
1279                            "Make Channel Private",
1280                            None,
1281                            cx.handler_for(&this, move |this, cx| {
1282                                this.set_channel_visibility(
1283                                    channel_id,
1284                                    ChannelVisibility::Members,
1285                                    cx,
1286                                )
1287                            }),
1288                        )
1289                    } else {
1290                        context_menu = context_menu.separator().entry(
1291                            "Make Channel Public",
1292                            None,
1293                            cx.handler_for(&this, move |this, cx| {
1294                                this.set_channel_visibility(
1295                                    channel_id,
1296                                    ChannelVisibility::Public,
1297                                    cx,
1298                                )
1299                            }),
1300                        )
1301                    }
1302                }
1303
1304                context_menu = context_menu.entry(
1305                    "Delete",
1306                    None,
1307                    cx.handler_for(&this, move |this, cx| this.remove_channel(channel_id, cx)),
1308                );
1309            }
1310
1311            if self.channel_store.read(cx).is_root_channel(channel_id) {
1312                if !has_destructive_actions {
1313                    context_menu = context_menu.separator()
1314                }
1315                context_menu = context_menu.entry(
1316                    "Leave Channel",
1317                    None,
1318                    cx.handler_for(&this, move |this, cx| this.leave_channel(channel_id, cx)),
1319                );
1320            }
1321
1322            context_menu
1323        });
1324
1325        cx.focus_view(&context_menu);
1326        let subscription =
1327            cx.subscribe(&context_menu, |this, _, _: &DismissEvent, cx| {
1328                if this.context_menu.as_ref().is_some_and(|context_menu| {
1329                    context_menu.0.focus_handle(cx).contains_focused(cx)
1330                }) {
1331                    cx.focus_self();
1332                }
1333                this.context_menu.take();
1334                cx.notify();
1335            });
1336        self.context_menu = Some((context_menu, position, subscription));
1337
1338        cx.notify();
1339    }
1340
1341    fn deploy_contact_context_menu(
1342        &mut self,
1343        position: Point<Pixels>,
1344        contact: Arc<Contact>,
1345        cx: &mut ViewContext<Self>,
1346    ) {
1347        let this = cx.view().clone();
1348        let in_room = ActiveCall::global(cx).read(cx).room().is_some();
1349
1350        let context_menu = ContextMenu::build(cx, |mut context_menu, _| {
1351            let user_id = contact.user.id;
1352
1353            if contact.online && !contact.busy {
1354                let label = if in_room {
1355                    format!("Invite {} to join", contact.user.github_login)
1356                } else {
1357                    format!("Call {}", contact.user.github_login)
1358                };
1359                context_menu = context_menu.entry(label, None, {
1360                    let this = this.clone();
1361                    move |cx| {
1362                        this.update(cx, |this, cx| {
1363                            this.call(user_id, cx);
1364                        });
1365                    }
1366                });
1367            }
1368
1369            context_menu.entry("Remove Contact", None, {
1370                let this = this.clone();
1371                move |cx| {
1372                    this.update(cx, |this, cx| {
1373                        this.remove_contact(contact.user.id, &contact.user.github_login, cx);
1374                    });
1375                }
1376            })
1377        });
1378
1379        cx.focus_view(&context_menu);
1380        let subscription =
1381            cx.subscribe(&context_menu, |this, _, _: &DismissEvent, cx| {
1382                if this.context_menu.as_ref().is_some_and(|context_menu| {
1383                    context_menu.0.focus_handle(cx).contains_focused(cx)
1384                }) {
1385                    cx.focus_self();
1386                }
1387                this.context_menu.take();
1388                cx.notify();
1389            });
1390        self.context_menu = Some((context_menu, position, subscription));
1391
1392        cx.notify();
1393    }
1394
1395    fn cancel(&mut self, _: &Cancel, cx: &mut ViewContext<Self>) {
1396        if self.take_editing_state(cx) {
1397            cx.focus_view(&self.filter_editor);
1398        } else {
1399            self.filter_editor.update(cx, |editor, cx| {
1400                if editor.buffer().read(cx).len(cx) > 0 {
1401                    editor.set_text("", cx);
1402                }
1403            });
1404        }
1405
1406        self.update_entries(false, cx);
1407    }
1408
1409    fn select_next(&mut self, _: &SelectNext, cx: &mut ViewContext<Self>) {
1410        let ix = self.selection.map_or(0, |ix| ix + 1);
1411        if ix < self.entries.len() {
1412            self.selection = Some(ix);
1413        }
1414
1415        if let Some(ix) = self.selection {
1416            self.scroll_to_item(ix)
1417        }
1418        cx.notify();
1419    }
1420
1421    fn select_prev(&mut self, _: &SelectPrev, cx: &mut ViewContext<Self>) {
1422        let ix = self.selection.take().unwrap_or(0);
1423        if ix > 0 {
1424            self.selection = Some(ix - 1);
1425        }
1426
1427        if let Some(ix) = self.selection {
1428            self.scroll_to_item(ix)
1429        }
1430        cx.notify();
1431    }
1432
1433    fn confirm(&mut self, _: &Confirm, cx: &mut ViewContext<Self>) {
1434        if self.confirm_channel_edit(cx) {
1435            return;
1436        }
1437
1438        if let Some(selection) = self.selection {
1439            if let Some(entry) = self.entries.get(selection) {
1440                match entry {
1441                    ListEntry::Header(section) => match section {
1442                        Section::ActiveCall => Self::leave_call(cx),
1443                        Section::Channels => self.new_root_channel(cx),
1444                        Section::Contacts => self.toggle_contact_finder(cx),
1445                        Section::ContactRequests
1446                        | Section::Online
1447                        | Section::Offline
1448                        | Section::ChannelInvites => {
1449                            self.toggle_section_expanded(*section, cx);
1450                        }
1451                    },
1452                    ListEntry::Contact { contact, calling } => {
1453                        if contact.online && !contact.busy && !calling {
1454                            self.call(contact.user.id, cx);
1455                        }
1456                    }
1457                    ListEntry::ParticipantProject {
1458                        project_id,
1459                        host_user_id,
1460                        ..
1461                    } => {
1462                        if let Some(workspace) = self.workspace.upgrade() {
1463                            let app_state = workspace.read(cx).app_state().clone();
1464                            workspace::join_remote_project(
1465                                *project_id,
1466                                *host_user_id,
1467                                app_state,
1468                                cx,
1469                            )
1470                            .detach_and_prompt_err(
1471                                "Failed to join project",
1472                                cx,
1473                                |_, _| None,
1474                            );
1475                        }
1476                    }
1477                    ListEntry::ParticipantScreen { peer_id, .. } => {
1478                        let Some(peer_id) = peer_id else {
1479                            return;
1480                        };
1481                        if let Some(workspace) = self.workspace.upgrade() {
1482                            workspace.update(cx, |workspace, cx| {
1483                                workspace.open_shared_screen(*peer_id, cx)
1484                            });
1485                        }
1486                    }
1487                    ListEntry::Channel { channel, .. } => {
1488                        let is_active = maybe!({
1489                            let call_channel = ActiveCall::global(cx)
1490                                .read(cx)
1491                                .room()?
1492                                .read(cx)
1493                                .channel_id()?;
1494
1495                            Some(call_channel == channel.id)
1496                        })
1497                        .unwrap_or(false);
1498                        if is_active {
1499                            self.open_channel_notes(channel.id, cx)
1500                        } else {
1501                            self.join_channel(channel.id, cx)
1502                        }
1503                    }
1504                    ListEntry::ContactPlaceholder => self.toggle_contact_finder(cx),
1505                    ListEntry::CallParticipant { user, peer_id, .. } => {
1506                        if Some(user) == self.user_store.read(cx).current_user().as_ref() {
1507                            Self::leave_call(cx);
1508                        } else if let Some(peer_id) = peer_id {
1509                            self.workspace
1510                                .update(cx, |workspace, cx| workspace.follow(*peer_id, cx))
1511                                .ok();
1512                        }
1513                    }
1514                    ListEntry::IncomingRequest(user) => {
1515                        self.respond_to_contact_request(user.id, true, cx)
1516                    }
1517                    ListEntry::ChannelInvite(channel) => {
1518                        self.respond_to_channel_invite(channel.id, true, cx)
1519                    }
1520                    ListEntry::ChannelNotes { channel_id } => {
1521                        self.open_channel_notes(*channel_id, cx)
1522                    }
1523                    ListEntry::ChannelChat { channel_id } => {
1524                        self.join_channel_chat(*channel_id, cx)
1525                    }
1526                    ListEntry::HostedProject {
1527                        id: _id,
1528                        name: _name,
1529                    } => {
1530                        // todo()
1531                    }
1532
1533                    ListEntry::OutgoingRequest(_) => {}
1534                    ListEntry::ChannelEditor { .. } => {}
1535                }
1536            }
1537        }
1538    }
1539
1540    fn insert_space(&mut self, _: &InsertSpace, cx: &mut ViewContext<Self>) {
1541        if self.channel_editing_state.is_some() {
1542            self.channel_name_editor.update(cx, |editor, cx| {
1543                editor.insert(" ", cx);
1544            });
1545        }
1546    }
1547
1548    fn confirm_channel_edit(&mut self, cx: &mut ViewContext<CollabPanel>) -> bool {
1549        if let Some(editing_state) = &mut self.channel_editing_state {
1550            match editing_state {
1551                ChannelEditingState::Create {
1552                    location,
1553                    pending_name,
1554                    ..
1555                } => {
1556                    if pending_name.is_some() {
1557                        return false;
1558                    }
1559                    let channel_name = self.channel_name_editor.read(cx).text(cx);
1560
1561                    *pending_name = Some(channel_name.clone());
1562
1563                    self.channel_store
1564                        .update(cx, |channel_store, cx| {
1565                            channel_store.create_channel(&channel_name, *location, cx)
1566                        })
1567                        .detach();
1568                    cx.notify();
1569                }
1570                ChannelEditingState::Rename {
1571                    location,
1572                    pending_name,
1573                } => {
1574                    if pending_name.is_some() {
1575                        return false;
1576                    }
1577                    let channel_name = self.channel_name_editor.read(cx).text(cx);
1578                    *pending_name = Some(channel_name.clone());
1579
1580                    self.channel_store
1581                        .update(cx, |channel_store, cx| {
1582                            channel_store.rename(*location, &channel_name, cx)
1583                        })
1584                        .detach();
1585                    cx.notify();
1586                }
1587            }
1588            cx.focus_self();
1589            true
1590        } else {
1591            false
1592        }
1593    }
1594
1595    fn toggle_section_expanded(&mut self, section: Section, cx: &mut ViewContext<Self>) {
1596        if let Some(ix) = self.collapsed_sections.iter().position(|s| *s == section) {
1597            self.collapsed_sections.remove(ix);
1598        } else {
1599            self.collapsed_sections.push(section);
1600        }
1601        self.update_entries(false, cx);
1602    }
1603
1604    fn collapse_selected_channel(
1605        &mut self,
1606        _: &CollapseSelectedChannel,
1607        cx: &mut ViewContext<Self>,
1608    ) {
1609        let Some(channel_id) = self.selected_channel().map(|channel| channel.id) else {
1610            return;
1611        };
1612
1613        if self.is_channel_collapsed(channel_id) {
1614            return;
1615        }
1616
1617        self.toggle_channel_collapsed(channel_id, cx);
1618    }
1619
1620    fn expand_selected_channel(&mut self, _: &ExpandSelectedChannel, cx: &mut ViewContext<Self>) {
1621        let Some(id) = self.selected_channel().map(|channel| channel.id) else {
1622            return;
1623        };
1624
1625        if !self.is_channel_collapsed(id) {
1626            return;
1627        }
1628
1629        self.toggle_channel_collapsed(id, cx)
1630    }
1631
1632    fn toggle_channel_collapsed(&mut self, channel_id: ChannelId, cx: &mut ViewContext<Self>) {
1633        match self.collapsed_channels.binary_search(&channel_id) {
1634            Ok(ix) => {
1635                self.collapsed_channels.remove(ix);
1636            }
1637            Err(ix) => {
1638                self.collapsed_channels.insert(ix, channel_id);
1639            }
1640        };
1641        self.serialize(cx);
1642        self.update_entries(true, cx);
1643        cx.notify();
1644        cx.focus_self();
1645    }
1646
1647    fn is_channel_collapsed(&self, channel_id: ChannelId) -> bool {
1648        self.collapsed_channels.binary_search(&channel_id).is_ok()
1649    }
1650
1651    fn leave_call(cx: &mut WindowContext) {
1652        ActiveCall::global(cx)
1653            .update(cx, |call, cx| call.hang_up(cx))
1654            .detach_and_prompt_err("Failed to hang up", cx, |_, _| None);
1655    }
1656
1657    fn toggle_contact_finder(&mut self, cx: &mut ViewContext<Self>) {
1658        if let Some(workspace) = self.workspace.upgrade() {
1659            workspace.update(cx, |workspace, cx| {
1660                workspace.toggle_modal(cx, |cx| {
1661                    let mut finder = ContactFinder::new(self.user_store.clone(), cx);
1662                    finder.set_query(self.filter_editor.read(cx).text(cx), cx);
1663                    finder
1664                });
1665            });
1666        }
1667    }
1668
1669    fn new_root_channel(&mut self, cx: &mut ViewContext<Self>) {
1670        self.channel_editing_state = Some(ChannelEditingState::Create {
1671            location: None,
1672            pending_name: None,
1673        });
1674        self.update_entries(false, cx);
1675        self.select_channel_editor();
1676        cx.focus_view(&self.channel_name_editor);
1677        cx.notify();
1678    }
1679
1680    fn select_channel_editor(&mut self) {
1681        self.selection = self.entries.iter().position(|entry| match entry {
1682            ListEntry::ChannelEditor { .. } => true,
1683            _ => false,
1684        });
1685    }
1686
1687    fn new_subchannel(&mut self, channel_id: ChannelId, cx: &mut ViewContext<Self>) {
1688        self.collapsed_channels
1689            .retain(|channel| *channel != channel_id);
1690        self.channel_editing_state = Some(ChannelEditingState::Create {
1691            location: Some(channel_id),
1692            pending_name: None,
1693        });
1694        self.update_entries(false, cx);
1695        self.select_channel_editor();
1696        cx.focus_view(&self.channel_name_editor);
1697        cx.notify();
1698    }
1699
1700    fn manage_members(&mut self, channel_id: ChannelId, cx: &mut ViewContext<Self>) {
1701        self.show_channel_modal(channel_id, channel_modal::Mode::ManageMembers, cx);
1702    }
1703
1704    fn remove_selected_channel(&mut self, _: &Remove, cx: &mut ViewContext<Self>) {
1705        if let Some(channel) = self.selected_channel() {
1706            self.remove_channel(channel.id, cx)
1707        }
1708    }
1709
1710    fn rename_selected_channel(&mut self, _: &SecondaryConfirm, cx: &mut ViewContext<Self>) {
1711        if let Some(channel) = self.selected_channel() {
1712            self.rename_channel(channel.id, cx);
1713        }
1714    }
1715
1716    fn rename_channel(&mut self, channel_id: ChannelId, cx: &mut ViewContext<Self>) {
1717        let channel_store = self.channel_store.read(cx);
1718        if !channel_store.is_channel_admin(channel_id) {
1719            return;
1720        }
1721        if let Some(channel) = channel_store.channel_for_id(channel_id).cloned() {
1722            self.channel_editing_state = Some(ChannelEditingState::Rename {
1723                location: channel_id,
1724                pending_name: None,
1725            });
1726            self.channel_name_editor.update(cx, |editor, cx| {
1727                editor.set_text(channel.name.clone(), cx);
1728                editor.select_all(&Default::default(), cx);
1729            });
1730            cx.focus_view(&self.channel_name_editor);
1731            self.update_entries(false, cx);
1732            self.select_channel_editor();
1733        }
1734    }
1735
1736    fn set_channel_visibility(
1737        &mut self,
1738        channel_id: ChannelId,
1739        visibility: ChannelVisibility,
1740        cx: &mut ViewContext<Self>,
1741    ) {
1742        self.channel_store
1743            .update(cx, |channel_store, cx| {
1744                channel_store.set_channel_visibility(channel_id, visibility, cx)
1745            })
1746            .detach_and_prompt_err("Failed to set channel visibility", cx, |e, _| match e.error_code() {
1747                ErrorCode::BadPublicNesting =>
1748                    if e.error_tag("direction") == Some("parent") {
1749                        Some("To make a channel public, its parent channel must be public.".to_string())
1750                    } else {
1751                        Some("To make a channel private, all of its subchannels must be private.".to_string())
1752                    },
1753                _ => None
1754            });
1755    }
1756
1757    fn start_move_channel(&mut self, channel_id: ChannelId, _cx: &mut ViewContext<Self>) {
1758        self.channel_clipboard = Some(ChannelMoveClipboard { channel_id });
1759    }
1760
1761    fn start_move_selected_channel(&mut self, _: &StartMoveChannel, cx: &mut ViewContext<Self>) {
1762        if let Some(channel) = self.selected_channel() {
1763            self.start_move_channel(channel.id, cx);
1764        }
1765    }
1766
1767    fn move_channel_on_clipboard(
1768        &mut self,
1769        to_channel_id: ChannelId,
1770        cx: &mut ViewContext<CollabPanel>,
1771    ) {
1772        if let Some(clipboard) = self.channel_clipboard.take() {
1773            self.move_channel(clipboard.channel_id, to_channel_id, cx)
1774        }
1775    }
1776
1777    fn move_channel(&self, channel_id: ChannelId, to: ChannelId, cx: &mut ViewContext<Self>) {
1778        self.channel_store
1779            .update(cx, |channel_store, cx| {
1780                channel_store.move_channel(channel_id, to, cx)
1781            })
1782            .detach_and_prompt_err("Failed to move channel", cx, |e, _| match e.error_code() {
1783                ErrorCode::BadPublicNesting => {
1784                    Some("Public channels must have public parents".into())
1785                }
1786                ErrorCode::CircularNesting => Some("You cannot move a channel into itself".into()),
1787                ErrorCode::WrongMoveTarget => {
1788                    Some("You cannot move a channel into a different root channel".into())
1789                }
1790                _ => None,
1791            })
1792    }
1793
1794    fn open_channel_notes(&mut self, channel_id: ChannelId, cx: &mut ViewContext<Self>) {
1795        if let Some(workspace) = self.workspace.upgrade() {
1796            ChannelView::open(channel_id, None, workspace, cx).detach();
1797        }
1798    }
1799
1800    fn show_inline_context_menu(&mut self, _: &menu::ShowContextMenu, cx: &mut ViewContext<Self>) {
1801        let Some(bounds) = self
1802            .selection
1803            .and_then(|ix| self.list_state.bounds_for_item(ix))
1804        else {
1805            return;
1806        };
1807
1808        if let Some(channel) = self.selected_channel() {
1809            self.deploy_channel_context_menu(
1810                bounds.center(),
1811                channel.id,
1812                self.selection.unwrap(),
1813                cx,
1814            );
1815            cx.stop_propagation();
1816            return;
1817        };
1818
1819        if let Some(contact) = self.selected_contact() {
1820            self.deploy_contact_context_menu(bounds.center(), contact, cx);
1821            cx.stop_propagation();
1822            return;
1823        };
1824    }
1825
1826    fn selected_channel(&self) -> Option<&Arc<Channel>> {
1827        self.selection
1828            .and_then(|ix| self.entries.get(ix))
1829            .and_then(|entry| match entry {
1830                ListEntry::Channel { channel, .. } => Some(channel),
1831                _ => None,
1832            })
1833    }
1834
1835    fn selected_contact(&self) -> Option<Arc<Contact>> {
1836        self.selection
1837            .and_then(|ix| self.entries.get(ix))
1838            .and_then(|entry| match entry {
1839                ListEntry::Contact { contact, .. } => Some(contact.clone()),
1840                _ => None,
1841            })
1842    }
1843
1844    fn show_channel_modal(
1845        &mut self,
1846        channel_id: ChannelId,
1847        mode: channel_modal::Mode,
1848        cx: &mut ViewContext<Self>,
1849    ) {
1850        let workspace = self.workspace.clone();
1851        let user_store = self.user_store.clone();
1852        let channel_store = self.channel_store.clone();
1853        let members = self.channel_store.update(cx, |channel_store, cx| {
1854            channel_store.get_channel_member_details(channel_id, cx)
1855        });
1856
1857        cx.spawn(|_, mut cx| async move {
1858            let members = members.await?;
1859            workspace.update(&mut cx, |workspace, cx| {
1860                workspace.toggle_modal(cx, |cx| {
1861                    ChannelModal::new(
1862                        user_store.clone(),
1863                        channel_store.clone(),
1864                        channel_id,
1865                        mode,
1866                        members,
1867                        cx,
1868                    )
1869                });
1870            })
1871        })
1872        .detach();
1873    }
1874
1875    fn leave_channel(&self, channel_id: ChannelId, cx: &mut ViewContext<Self>) {
1876        let Some(user_id) = self.user_store.read(cx).current_user().map(|u| u.id) else {
1877            return;
1878        };
1879        let Some(channel) = self.channel_store.read(cx).channel_for_id(channel_id) else {
1880            return;
1881        };
1882        let prompt_message = format!("Are you sure you want to leave \"#{}\"?", channel.name);
1883        let answer = cx.prompt(
1884            PromptLevel::Warning,
1885            &prompt_message,
1886            None,
1887            &["Leave", "Cancel"],
1888        );
1889        cx.spawn(|this, mut cx| async move {
1890            if answer.await? != 0 {
1891                return Ok(());
1892            }
1893            this.update(&mut cx, |this, cx| {
1894                this.channel_store.update(cx, |channel_store, cx| {
1895                    channel_store.remove_member(channel_id, user_id, cx)
1896                })
1897            })?
1898            .await
1899        })
1900        .detach_and_prompt_err("Failed to leave channel", cx, |_, _| None)
1901    }
1902
1903    fn remove_channel(&mut self, channel_id: ChannelId, cx: &mut ViewContext<Self>) {
1904        let channel_store = self.channel_store.clone();
1905        if let Some(channel) = channel_store.read(cx).channel_for_id(channel_id) {
1906            let prompt_message = format!(
1907                "Are you sure you want to remove the channel \"{}\"?",
1908                channel.name
1909            );
1910            let answer = cx.prompt(
1911                PromptLevel::Warning,
1912                &prompt_message,
1913                None,
1914                &["Remove", "Cancel"],
1915            );
1916            cx.spawn(|this, mut cx| async move {
1917                if answer.await? == 0 {
1918                    channel_store
1919                        .update(&mut cx, |channels, _| channels.remove_channel(channel_id))?
1920                        .await
1921                        .notify_async_err(&mut cx);
1922                    this.update(&mut cx, |_, cx| cx.focus_self()).ok();
1923                }
1924                anyhow::Ok(())
1925            })
1926            .detach();
1927        }
1928    }
1929
1930    fn remove_contact(&mut self, user_id: u64, github_login: &str, cx: &mut ViewContext<Self>) {
1931        let user_store = self.user_store.clone();
1932        let prompt_message = format!(
1933            "Are you sure you want to remove \"{}\" from your contacts?",
1934            github_login
1935        );
1936        let answer = cx.prompt(
1937            PromptLevel::Warning,
1938            &prompt_message,
1939            None,
1940            &["Remove", "Cancel"],
1941        );
1942        cx.spawn(|_, mut cx| async move {
1943            if answer.await? == 0 {
1944                user_store
1945                    .update(&mut cx, |store, cx| store.remove_contact(user_id, cx))?
1946                    .await
1947                    .notify_async_err(&mut cx);
1948            }
1949            anyhow::Ok(())
1950        })
1951        .detach_and_prompt_err("Failed to remove contact", cx, |_, _| None);
1952    }
1953
1954    fn respond_to_contact_request(
1955        &mut self,
1956        user_id: u64,
1957        accept: bool,
1958        cx: &mut ViewContext<Self>,
1959    ) {
1960        self.user_store
1961            .update(cx, |store, cx| {
1962                store.respond_to_contact_request(user_id, accept, cx)
1963            })
1964            .detach_and_prompt_err("Failed to respond to contact request", cx, |_, _| None);
1965    }
1966
1967    fn respond_to_channel_invite(
1968        &mut self,
1969        channel_id: ChannelId,
1970        accept: bool,
1971        cx: &mut ViewContext<Self>,
1972    ) {
1973        self.channel_store
1974            .update(cx, |store, cx| {
1975                store.respond_to_channel_invite(channel_id, accept, cx)
1976            })
1977            .detach();
1978    }
1979
1980    fn call(&mut self, recipient_user_id: u64, cx: &mut ViewContext<Self>) {
1981        ActiveCall::global(cx)
1982            .update(cx, |call, cx| {
1983                call.invite(recipient_user_id, Some(self.project.clone()), cx)
1984            })
1985            .detach_and_prompt_err("Call failed", cx, |_, _| None);
1986    }
1987
1988    fn join_channel(&self, channel_id: ChannelId, cx: &mut ViewContext<Self>) {
1989        let Some(workspace) = self.workspace.upgrade() else {
1990            return;
1991        };
1992        let Some(handle) = cx.window_handle().downcast::<Workspace>() else {
1993            return;
1994        };
1995        workspace::join_channel(
1996            channel_id,
1997            workspace.read(cx).app_state().clone(),
1998            Some(handle),
1999            cx,
2000        )
2001        .detach_and_prompt_err("Failed to join channel", cx, |_, _| None)
2002    }
2003
2004    fn join_channel_chat(&mut self, channel_id: ChannelId, cx: &mut ViewContext<Self>) {
2005        let Some(workspace) = self.workspace.upgrade() else {
2006            return;
2007        };
2008        cx.window_context().defer(move |cx| {
2009            workspace.update(cx, |workspace, cx| {
2010                if let Some(panel) = workspace.focus_panel::<ChatPanel>(cx) {
2011                    panel.update(cx, |panel, cx| {
2012                        panel
2013                            .select_channel(channel_id, None, cx)
2014                            .detach_and_notify_err(cx);
2015                    });
2016                }
2017            });
2018        });
2019    }
2020
2021    fn copy_channel_link(&mut self, channel_id: ChannelId, cx: &mut ViewContext<Self>) {
2022        let channel_store = self.channel_store.read(cx);
2023        let Some(channel) = channel_store.channel_for_id(channel_id) else {
2024            return;
2025        };
2026        let item = ClipboardItem::new(channel.link());
2027        cx.write_to_clipboard(item)
2028    }
2029
2030    fn render_signed_out(&mut self, cx: &mut ViewContext<Self>) -> Div {
2031        let collab_blurb = "Work with your team in realtime with collaborative editing, voice, shared notes and more.";
2032
2033        v_flex()
2034            .gap_6()
2035            .p_4()
2036            .child(Label::new(collab_blurb))
2037            .child(
2038                v_flex()
2039                    .gap_2()
2040                    .child(
2041                        Button::new("sign_in", "Sign in")
2042                            .icon_color(Color::Muted)
2043                            .icon(IconName::Github)
2044                            .icon_position(IconPosition::Start)
2045                            .style(ButtonStyle::Filled)
2046                            .full_width()
2047                            .on_click(cx.listener(|this, _, cx| {
2048                                let client = this.client.clone();
2049                                cx.spawn(|_, mut cx| async move {
2050                                    client
2051                                        .authenticate_and_connect(true, &cx)
2052                                        .await
2053                                        .notify_async_err(&mut cx);
2054                                })
2055                                .detach()
2056                            })),
2057                    )
2058                    .child(
2059                        div().flex().w_full().items_center().child(
2060                            Label::new("Sign in to enable collaboration.")
2061                                .color(Color::Muted)
2062                                .size(LabelSize::Small),
2063                        ),
2064                    ),
2065            )
2066    }
2067
2068    fn render_list_entry(&mut self, ix: usize, cx: &mut ViewContext<Self>) -> AnyElement {
2069        let entry = &self.entries[ix];
2070
2071        let is_selected = self.selection == Some(ix);
2072        match entry {
2073            ListEntry::Header(section) => {
2074                let is_collapsed = self.collapsed_sections.contains(section);
2075                self.render_header(*section, is_selected, is_collapsed, cx)
2076                    .into_any_element()
2077            }
2078            ListEntry::Contact { contact, calling } => self
2079                .render_contact(contact, *calling, is_selected, cx)
2080                .into_any_element(),
2081            ListEntry::ContactPlaceholder => self
2082                .render_contact_placeholder(is_selected, cx)
2083                .into_any_element(),
2084            ListEntry::IncomingRequest(user) => self
2085                .render_contact_request(user, true, is_selected, cx)
2086                .into_any_element(),
2087            ListEntry::OutgoingRequest(user) => self
2088                .render_contact_request(user, false, is_selected, cx)
2089                .into_any_element(),
2090            ListEntry::Channel {
2091                channel,
2092                depth,
2093                has_children,
2094            } => self
2095                .render_channel(channel, *depth, *has_children, is_selected, ix, cx)
2096                .into_any_element(),
2097            ListEntry::ChannelEditor { depth } => {
2098                self.render_channel_editor(*depth, cx).into_any_element()
2099            }
2100            ListEntry::ChannelInvite(channel) => self
2101                .render_channel_invite(channel, is_selected, cx)
2102                .into_any_element(),
2103            ListEntry::CallParticipant {
2104                user,
2105                peer_id,
2106                is_pending,
2107                role,
2108            } => self
2109                .render_call_participant(user, *peer_id, *is_pending, *role, is_selected, cx)
2110                .into_any_element(),
2111            ListEntry::ParticipantProject {
2112                project_id,
2113                worktree_root_names,
2114                host_user_id,
2115                is_last,
2116            } => self
2117                .render_participant_project(
2118                    *project_id,
2119                    &worktree_root_names,
2120                    *host_user_id,
2121                    *is_last,
2122                    is_selected,
2123                    cx,
2124                )
2125                .into_any_element(),
2126            ListEntry::ParticipantScreen { peer_id, is_last } => self
2127                .render_participant_screen(*peer_id, *is_last, is_selected, cx)
2128                .into_any_element(),
2129            ListEntry::ChannelNotes { channel_id } => self
2130                .render_channel_notes(*channel_id, is_selected, cx)
2131                .into_any_element(),
2132            ListEntry::ChannelChat { channel_id } => self
2133                .render_channel_chat(*channel_id, is_selected, cx)
2134                .into_any_element(),
2135
2136            ListEntry::HostedProject { id, name } => self
2137                .render_channel_project(*id, name, is_selected, cx)
2138                .into_any_element(),
2139        }
2140    }
2141
2142    fn render_signed_in(&mut self, cx: &mut ViewContext<Self>) -> Div {
2143        v_flex()
2144            .size_full()
2145            .child(list(self.list_state.clone()).size_full())
2146            .child(
2147                v_flex()
2148                    .child(div().mx_2().border_primary(cx).border_t())
2149                    .child(
2150                        v_flex()
2151                            .p_2()
2152                            .child(self.render_filter_input(&self.filter_editor, cx)),
2153                    ),
2154            )
2155    }
2156
2157    fn render_filter_input(
2158        &self,
2159        editor: &View<Editor>,
2160        cx: &mut ViewContext<Self>,
2161    ) -> impl IntoElement {
2162        let settings = ThemeSettings::get_global(cx);
2163        let text_style = TextStyle {
2164            color: if editor.read(cx).read_only(cx) {
2165                cx.theme().colors().text_disabled
2166            } else {
2167                cx.theme().colors().text
2168            },
2169            font_family: settings.ui_font.family.clone(),
2170            font_features: settings.ui_font.features,
2171            font_size: rems(0.875).into(),
2172            font_weight: FontWeight::NORMAL,
2173            font_style: FontStyle::Normal,
2174            line_height: relative(1.3),
2175            background_color: None,
2176            underline: None,
2177            strikethrough: None,
2178            white_space: WhiteSpace::Normal,
2179        };
2180
2181        EditorElement::new(
2182            editor,
2183            EditorStyle {
2184                local_player: cx.theme().players().local(),
2185                text: text_style,
2186                ..Default::default()
2187            },
2188        )
2189    }
2190
2191    fn render_header(
2192        &self,
2193        section: Section,
2194        is_selected: bool,
2195        is_collapsed: bool,
2196        cx: &ViewContext<Self>,
2197    ) -> impl IntoElement {
2198        let mut channel_link = None;
2199        let mut channel_tooltip_text = None;
2200        let mut channel_icon = None;
2201
2202        let text = match section {
2203            Section::ActiveCall => {
2204                let channel_name = maybe!({
2205                    let channel_id = ActiveCall::global(cx).read(cx).channel_id(cx)?;
2206
2207                    let channel = self.channel_store.read(cx).channel_for_id(channel_id)?;
2208
2209                    channel_link = Some(channel.link());
2210                    (channel_icon, channel_tooltip_text) = match channel.visibility {
2211                        proto::ChannelVisibility::Public => {
2212                            (Some("icons/public.svg"), Some("Copy public channel link."))
2213                        }
2214                        proto::ChannelVisibility::Members => {
2215                            (Some("icons/hash.svg"), Some("Copy private channel link."))
2216                        }
2217                    };
2218
2219                    Some(channel.name.as_ref())
2220                });
2221
2222                if let Some(name) = channel_name {
2223                    SharedString::from(name.to_string())
2224                } else {
2225                    SharedString::from("Current Call")
2226                }
2227            }
2228            Section::ContactRequests => SharedString::from("Requests"),
2229            Section::Contacts => SharedString::from("Contacts"),
2230            Section::Channels => SharedString::from("Channels"),
2231            Section::ChannelInvites => SharedString::from("Invites"),
2232            Section::Online => SharedString::from("Online"),
2233            Section::Offline => SharedString::from("Offline"),
2234        };
2235
2236        let button = match section {
2237            Section::ActiveCall => channel_link.map(|channel_link| {
2238                let channel_link_copy = channel_link.clone();
2239                IconButton::new("channel-link", IconName::Copy)
2240                    .icon_size(IconSize::Small)
2241                    .size(ButtonSize::None)
2242                    .visible_on_hover("section-header")
2243                    .on_click(move |_, cx| {
2244                        let item = ClipboardItem::new(channel_link_copy.clone());
2245                        cx.write_to_clipboard(item)
2246                    })
2247                    .tooltip(|cx| Tooltip::text("Copy channel link", cx))
2248                    .into_any_element()
2249            }),
2250            Section::Contacts => Some(
2251                IconButton::new("add-contact", IconName::Plus)
2252                    .on_click(cx.listener(|this, _, cx| this.toggle_contact_finder(cx)))
2253                    .tooltip(|cx| Tooltip::text("Search for new contact", cx))
2254                    .into_any_element(),
2255            ),
2256            Section::Channels => Some(
2257                IconButton::new("add-channel", IconName::Plus)
2258                    .on_click(cx.listener(|this, _, cx| this.new_root_channel(cx)))
2259                    .tooltip(|cx| Tooltip::text("Create a channel", cx))
2260                    .into_any_element(),
2261            ),
2262            _ => None,
2263        };
2264
2265        let can_collapse = match section {
2266            Section::ActiveCall | Section::Channels | Section::Contacts => false,
2267            Section::ChannelInvites
2268            | Section::ContactRequests
2269            | Section::Online
2270            | Section::Offline => true,
2271        };
2272
2273        h_flex().w_full().group("section-header").child(
2274            ListHeader::new(text)
2275                .when(can_collapse, |header| {
2276                    header
2277                        .toggle(Some(!is_collapsed))
2278                        .on_toggle(cx.listener(move |this, _, cx| {
2279                            this.toggle_section_expanded(section, cx);
2280                        }))
2281                })
2282                .inset(true)
2283                .end_slot::<AnyElement>(button)
2284                .selected(is_selected),
2285        )
2286    }
2287
2288    fn render_contact(
2289        &self,
2290        contact: &Arc<Contact>,
2291        calling: bool,
2292        is_selected: bool,
2293        cx: &mut ViewContext<Self>,
2294    ) -> impl IntoElement {
2295        let online = contact.online;
2296        let busy = contact.busy || calling;
2297        let github_login = SharedString::from(contact.user.github_login.clone());
2298        let item = ListItem::new(github_login.clone())
2299            .indent_level(1)
2300            .indent_step_size(px(20.))
2301            .selected(is_selected)
2302            .child(
2303                h_flex()
2304                    .w_full()
2305                    .justify_between()
2306                    .child(Label::new(github_login.clone()))
2307                    .when(calling, |el| {
2308                        el.child(Label::new("Calling").color(Color::Muted))
2309                    })
2310                    .when(!calling, |el| {
2311                        el.child(
2312                            IconButton::new("contact context menu", IconName::Ellipsis)
2313                                .icon_color(Color::Muted)
2314                                .visible_on_hover("")
2315                                .on_click(cx.listener({
2316                                    let contact = contact.clone();
2317                                    move |this, event: &ClickEvent, cx| {
2318                                        this.deploy_contact_context_menu(
2319                                            event.down.position,
2320                                            contact.clone(),
2321                                            cx,
2322                                        );
2323                                    }
2324                                })),
2325                        )
2326                    }),
2327            )
2328            .on_secondary_mouse_down(cx.listener({
2329                let contact = contact.clone();
2330                move |this, event: &MouseDownEvent, cx| {
2331                    this.deploy_contact_context_menu(event.position, contact.clone(), cx);
2332                }
2333            }))
2334            .start_slot(
2335                // todo handle contacts with no avatar
2336                Avatar::new(contact.user.avatar_uri.clone())
2337                    .indicator::<AvatarAvailabilityIndicator>(if online {
2338                        Some(AvatarAvailabilityIndicator::new(match busy {
2339                            true => ui::Availability::Busy,
2340                            false => ui::Availability::Free,
2341                        }))
2342                    } else {
2343                        None
2344                    }),
2345            );
2346
2347        div()
2348            .id(github_login.clone())
2349            .group("")
2350            .child(item)
2351            .tooltip(move |cx| {
2352                let text = if !online {
2353                    format!(" {} is offline", &github_login)
2354                } else if busy {
2355                    format!(" {} is on a call", &github_login)
2356                } else {
2357                    let room = ActiveCall::global(cx).read(cx).room();
2358                    if room.is_some() {
2359                        format!("Invite {} to join call", &github_login)
2360                    } else {
2361                        format!("Call {}", &github_login)
2362                    }
2363                };
2364                Tooltip::text(text, cx)
2365            })
2366    }
2367
2368    fn render_contact_request(
2369        &self,
2370        user: &Arc<User>,
2371        is_incoming: bool,
2372        is_selected: bool,
2373        cx: &mut ViewContext<Self>,
2374    ) -> impl IntoElement {
2375        let github_login = SharedString::from(user.github_login.clone());
2376        let user_id = user.id;
2377        let is_response_pending = self.user_store.read(cx).is_contact_request_pending(&user);
2378        let color = if is_response_pending {
2379            Color::Muted
2380        } else {
2381            Color::Default
2382        };
2383
2384        let controls = if is_incoming {
2385            vec![
2386                IconButton::new("decline-contact", IconName::Close)
2387                    .on_click(cx.listener(move |this, _, cx| {
2388                        this.respond_to_contact_request(user_id, false, cx);
2389                    }))
2390                    .icon_color(color)
2391                    .tooltip(|cx| Tooltip::text("Decline invite", cx)),
2392                IconButton::new("accept-contact", IconName::Check)
2393                    .on_click(cx.listener(move |this, _, cx| {
2394                        this.respond_to_contact_request(user_id, true, cx);
2395                    }))
2396                    .icon_color(color)
2397                    .tooltip(|cx| Tooltip::text("Accept invite", cx)),
2398            ]
2399        } else {
2400            let github_login = github_login.clone();
2401            vec![IconButton::new("remove_contact", IconName::Close)
2402                .on_click(cx.listener(move |this, _, cx| {
2403                    this.remove_contact(user_id, &github_login, cx);
2404                }))
2405                .icon_color(color)
2406                .tooltip(|cx| Tooltip::text("Cancel invite", cx))]
2407        };
2408
2409        ListItem::new(github_login.clone())
2410            .indent_level(1)
2411            .indent_step_size(px(20.))
2412            .selected(is_selected)
2413            .child(
2414                h_flex()
2415                    .w_full()
2416                    .justify_between()
2417                    .child(Label::new(github_login.clone()))
2418                    .child(h_flex().children(controls)),
2419            )
2420            .start_slot(Avatar::new(user.avatar_uri.clone()))
2421    }
2422
2423    fn render_channel_invite(
2424        &self,
2425        channel: &Arc<Channel>,
2426        is_selected: bool,
2427        cx: &mut ViewContext<Self>,
2428    ) -> ListItem {
2429        let channel_id = channel.id;
2430        let response_is_pending = self
2431            .channel_store
2432            .read(cx)
2433            .has_pending_channel_invite_response(&channel);
2434        let color = if response_is_pending {
2435            Color::Muted
2436        } else {
2437            Color::Default
2438        };
2439
2440        let controls = [
2441            IconButton::new("reject-invite", IconName::Close)
2442                .on_click(cx.listener(move |this, _, cx| {
2443                    this.respond_to_channel_invite(channel_id, false, cx);
2444                }))
2445                .icon_color(color)
2446                .tooltip(|cx| Tooltip::text("Decline invite", cx)),
2447            IconButton::new("accept-invite", IconName::Check)
2448                .on_click(cx.listener(move |this, _, cx| {
2449                    this.respond_to_channel_invite(channel_id, true, cx);
2450                }))
2451                .icon_color(color)
2452                .tooltip(|cx| Tooltip::text("Accept invite", cx)),
2453        ];
2454
2455        ListItem::new(("channel-invite", channel.id.0 as usize))
2456            .selected(is_selected)
2457            .child(
2458                h_flex()
2459                    .w_full()
2460                    .justify_between()
2461                    .child(Label::new(channel.name.clone()))
2462                    .child(h_flex().children(controls)),
2463            )
2464            .start_slot(
2465                Icon::new(IconName::Hash)
2466                    .size(IconSize::Small)
2467                    .color(Color::Muted),
2468            )
2469    }
2470
2471    fn render_contact_placeholder(
2472        &self,
2473        is_selected: bool,
2474        cx: &mut ViewContext<Self>,
2475    ) -> ListItem {
2476        ListItem::new("contact-placeholder")
2477            .child(Icon::new(IconName::Plus))
2478            .child(Label::new("Add a Contact"))
2479            .selected(is_selected)
2480            .on_click(cx.listener(|this, _, cx| this.toggle_contact_finder(cx)))
2481    }
2482
2483    fn render_channel(
2484        &self,
2485        channel: &Channel,
2486        depth: usize,
2487        has_children: bool,
2488        is_selected: bool,
2489        ix: usize,
2490        cx: &mut ViewContext<Self>,
2491    ) -> impl IntoElement {
2492        let channel_id = channel.id;
2493
2494        let is_active = maybe!({
2495            let call_channel = ActiveCall::global(cx)
2496                .read(cx)
2497                .room()?
2498                .read(cx)
2499                .channel_id()?;
2500            Some(call_channel == channel_id)
2501        })
2502        .unwrap_or(false);
2503        let channel_store = self.channel_store.read(cx);
2504        let is_public = channel_store
2505            .channel_for_id(channel_id)
2506            .map(|channel| channel.visibility)
2507            == Some(proto::ChannelVisibility::Public);
2508        let disclosed =
2509            has_children.then(|| self.collapsed_channels.binary_search(&channel.id).is_err());
2510
2511        let has_messages_notification = channel_store.has_new_messages(channel_id);
2512        let has_notes_notification = channel_store.has_channel_buffer_changed(channel_id);
2513
2514        const FACEPILE_LIMIT: usize = 3;
2515        let participants = self.channel_store.read(cx).channel_participants(channel_id);
2516
2517        let face_pile = if !participants.is_empty() {
2518            let extra_count = participants.len().saturating_sub(FACEPILE_LIMIT);
2519            let result = FacePile::new(
2520                participants
2521                    .iter()
2522                    .map(|user| Avatar::new(user.avatar_uri.clone()).into_any_element())
2523                    .take(FACEPILE_LIMIT)
2524                    .chain(if extra_count > 0 {
2525                        Some(
2526                            div()
2527                                .ml_2()
2528                                .child(Label::new(format!("+{extra_count}")))
2529                                .into_any_element(),
2530                        )
2531                    } else {
2532                        None
2533                    })
2534                    .collect::<SmallVec<_>>(),
2535            );
2536
2537            Some(result)
2538        } else {
2539            None
2540        };
2541
2542        let width = self.width.unwrap_or(px(240.));
2543        let root_id = channel.root_id();
2544
2545        div()
2546            .h_6()
2547            .id(channel_id.0 as usize)
2548            .group("")
2549            .flex()
2550            .w_full()
2551            .when(!channel.is_root_channel(), |el| {
2552                el.on_drag(channel.clone(), move |channel, cx| {
2553                    cx.new_view(|_| DraggedChannelView {
2554                        channel: channel.clone(),
2555                        width,
2556                    })
2557                })
2558            })
2559            .drag_over::<Channel>({
2560                move |style, dragged_channel: &Channel, cx| {
2561                    if dragged_channel.root_id() == root_id {
2562                        style.bg(cx.theme().colors().ghost_element_hover)
2563                    } else {
2564                        style
2565                    }
2566                }
2567            })
2568            .on_drop(cx.listener(move |this, dragged_channel: &Channel, cx| {
2569                if dragged_channel.root_id() != root_id {
2570                    return;
2571                }
2572                this.move_channel(dragged_channel.id, channel_id, cx);
2573            }))
2574            .child(
2575                ListItem::new(channel_id.0 as usize)
2576                    // Add one level of depth for the disclosure arrow.
2577                    .indent_level(depth + 1)
2578                    .indent_step_size(px(20.))
2579                    .selected(is_selected || is_active)
2580                    .toggle(disclosed)
2581                    .on_toggle(
2582                        cx.listener(move |this, _, cx| {
2583                            this.toggle_channel_collapsed(channel_id, cx)
2584                        }),
2585                    )
2586                    .on_click(cx.listener(move |this, _, cx| {
2587                        if is_active {
2588                            this.open_channel_notes(channel_id, cx)
2589                        } else {
2590                            this.join_channel(channel_id, cx)
2591                        }
2592                    }))
2593                    .on_secondary_mouse_down(cx.listener(
2594                        move |this, event: &MouseDownEvent, cx| {
2595                            this.deploy_channel_context_menu(event.position, channel_id, ix, cx)
2596                        },
2597                    ))
2598                    .start_slot(
2599                        div()
2600                            .relative()
2601                            .child(
2602                                Icon::new(if is_public {
2603                                    IconName::Public
2604                                } else {
2605                                    IconName::Hash
2606                                })
2607                                .size(IconSize::Small)
2608                                .color(Color::Muted),
2609                            )
2610                            .children(has_notes_notification.then(|| {
2611                                div()
2612                                    .w_1p5()
2613                                    .z_index(1)
2614                                    .absolute()
2615                                    .right(px(-1.))
2616                                    .top(px(-1.))
2617                                    .child(Indicator::dot().color(Color::Info))
2618                            })),
2619                    )
2620                    .child(
2621                        h_flex()
2622                            .id(channel_id.0 as usize)
2623                            .child(Label::new(channel.name.clone()))
2624                            .children(face_pile.map(|face_pile| face_pile.p_1())),
2625                    ),
2626            )
2627            .child(
2628                h_flex()
2629                    .absolute()
2630                    .right(rems(0.))
2631                    .z_index(1)
2632                    .h_full()
2633                    .child(
2634                        h_flex()
2635                            .h_full()
2636                            .gap_1()
2637                            .px_1()
2638                            .child(
2639                                IconButton::new("channel_chat", IconName::MessageBubbles)
2640                                    .style(ButtonStyle::Filled)
2641                                    .shape(ui::IconButtonShape::Square)
2642                                    .icon_size(IconSize::Small)
2643                                    .icon_color(if has_messages_notification {
2644                                        Color::Default
2645                                    } else {
2646                                        Color::Muted
2647                                    })
2648                                    .on_click(cx.listener(move |this, _, cx| {
2649                                        this.join_channel_chat(channel_id, cx)
2650                                    }))
2651                                    .tooltip(|cx| Tooltip::text("Open channel chat", cx))
2652                                    .visible_on_hover(""),
2653                            )
2654                            .child(
2655                                IconButton::new("channel_notes", IconName::File)
2656                                    .style(ButtonStyle::Filled)
2657                                    .shape(ui::IconButtonShape::Square)
2658                                    .icon_size(IconSize::Small)
2659                                    .icon_color(if has_notes_notification {
2660                                        Color::Default
2661                                    } else {
2662                                        Color::Muted
2663                                    })
2664                                    .on_click(cx.listener(move |this, _, cx| {
2665                                        this.open_channel_notes(channel_id, cx)
2666                                    }))
2667                                    .tooltip(|cx| Tooltip::text("Open channel notes", cx))
2668                                    .visible_on_hover(""),
2669                            ),
2670                    ),
2671            )
2672            .tooltip({
2673                let channel_store = self.channel_store.clone();
2674                move |cx| {
2675                    cx.new_view(|_| JoinChannelTooltip {
2676                        channel_store: channel_store.clone(),
2677                        channel_id,
2678                        has_notes_notification,
2679                    })
2680                    .into()
2681                }
2682            })
2683    }
2684
2685    fn render_channel_editor(&self, depth: usize, _cx: &mut ViewContext<Self>) -> impl IntoElement {
2686        let item = ListItem::new("channel-editor")
2687            .inset(false)
2688            // Add one level of depth for the disclosure arrow.
2689            .indent_level(depth + 1)
2690            .indent_step_size(px(20.))
2691            .start_slot(
2692                Icon::new(IconName::Hash)
2693                    .size(IconSize::Small)
2694                    .color(Color::Muted),
2695            );
2696
2697        if let Some(pending_name) = self
2698            .channel_editing_state
2699            .as_ref()
2700            .and_then(|state| state.pending_name())
2701        {
2702            item.child(Label::new(pending_name))
2703        } else {
2704            item.child(self.channel_name_editor.clone())
2705        }
2706    }
2707}
2708
2709fn render_tree_branch(is_last: bool, overdraw: bool, cx: &mut WindowContext) -> impl IntoElement {
2710    let rem_size = cx.rem_size();
2711    let line_height = cx.text_style().line_height_in_pixels(rem_size);
2712    let width = rem_size * 1.5;
2713    let thickness = px(1.);
2714    let color = cx.theme().colors().text;
2715
2716    canvas(move |bounds, cx| {
2717        let start_x = (bounds.left() + bounds.right() - thickness) / 2.;
2718        let start_y = (bounds.top() + bounds.bottom() - thickness) / 2.;
2719        let right = bounds.right();
2720        let top = bounds.top();
2721
2722        cx.paint_quad(fill(
2723            Bounds::from_corners(
2724                point(start_x, top),
2725                point(
2726                    start_x + thickness,
2727                    if is_last {
2728                        start_y
2729                    } else {
2730                        bounds.bottom() + if overdraw { px(1.) } else { px(0.) }
2731                    },
2732                ),
2733            ),
2734            color,
2735        ));
2736        cx.paint_quad(fill(
2737            Bounds::from_corners(point(start_x, start_y), point(right, start_y + thickness)),
2738            color,
2739        ));
2740    })
2741    .w(width)
2742    .h(line_height)
2743}
2744
2745impl Render for CollabPanel {
2746    fn render(&mut self, cx: &mut ViewContext<Self>) -> impl IntoElement {
2747        v_flex()
2748            .key_context("CollabPanel")
2749            .on_action(cx.listener(CollabPanel::cancel))
2750            .on_action(cx.listener(CollabPanel::select_next))
2751            .on_action(cx.listener(CollabPanel::select_prev))
2752            .on_action(cx.listener(CollabPanel::confirm))
2753            .on_action(cx.listener(CollabPanel::insert_space))
2754            .on_action(cx.listener(CollabPanel::remove_selected_channel))
2755            .on_action(cx.listener(CollabPanel::show_inline_context_menu))
2756            .on_action(cx.listener(CollabPanel::rename_selected_channel))
2757            .on_action(cx.listener(CollabPanel::collapse_selected_channel))
2758            .on_action(cx.listener(CollabPanel::expand_selected_channel))
2759            .on_action(cx.listener(CollabPanel::start_move_selected_channel))
2760            .track_focus(&self.focus_handle)
2761            .size_full()
2762            .child(if self.user_store.read(cx).current_user().is_none() {
2763                self.render_signed_out(cx)
2764            } else {
2765                self.render_signed_in(cx)
2766            })
2767            .children(self.context_menu.as_ref().map(|(menu, position, _)| {
2768                overlay()
2769                    .position(*position)
2770                    .anchor(gpui::AnchorCorner::TopLeft)
2771                    .child(menu.clone())
2772            }))
2773    }
2774}
2775
2776impl EventEmitter<PanelEvent> for CollabPanel {}
2777
2778impl Panel for CollabPanel {
2779    fn position(&self, cx: &gpui::WindowContext) -> DockPosition {
2780        CollaborationPanelSettings::get_global(cx).dock
2781    }
2782
2783    fn position_is_valid(&self, position: DockPosition) -> bool {
2784        matches!(position, DockPosition::Left | DockPosition::Right)
2785    }
2786
2787    fn set_position(&mut self, position: DockPosition, cx: &mut ViewContext<Self>) {
2788        settings::update_settings_file::<CollaborationPanelSettings>(
2789            self.fs.clone(),
2790            cx,
2791            move |settings| settings.dock = Some(position),
2792        );
2793    }
2794
2795    fn size(&self, cx: &gpui::WindowContext) -> Pixels {
2796        self.width
2797            .unwrap_or_else(|| CollaborationPanelSettings::get_global(cx).default_width)
2798    }
2799
2800    fn set_size(&mut self, size: Option<Pixels>, cx: &mut ViewContext<Self>) {
2801        self.width = size;
2802        self.serialize(cx);
2803        cx.notify();
2804    }
2805
2806    fn icon(&self, cx: &gpui::WindowContext) -> Option<ui::IconName> {
2807        CollaborationPanelSettings::get_global(cx)
2808            .button
2809            .then(|| ui::IconName::Collab)
2810    }
2811
2812    fn icon_tooltip(&self, _cx: &WindowContext) -> Option<&'static str> {
2813        Some("Collab Panel")
2814    }
2815
2816    fn toggle_action(&self) -> Box<dyn gpui::Action> {
2817        Box::new(ToggleFocus)
2818    }
2819
2820    fn persistent_name() -> &'static str {
2821        "CollabPanel"
2822    }
2823}
2824
2825impl FocusableView for CollabPanel {
2826    fn focus_handle(&self, cx: &AppContext) -> gpui::FocusHandle {
2827        self.filter_editor.focus_handle(cx).clone()
2828    }
2829}
2830
2831impl PartialEq for ListEntry {
2832    fn eq(&self, other: &Self) -> bool {
2833        match self {
2834            ListEntry::Header(section_1) => {
2835                if let ListEntry::Header(section_2) = other {
2836                    return section_1 == section_2;
2837                }
2838            }
2839            ListEntry::CallParticipant { user: user_1, .. } => {
2840                if let ListEntry::CallParticipant { user: user_2, .. } = other {
2841                    return user_1.id == user_2.id;
2842                }
2843            }
2844            ListEntry::ParticipantProject {
2845                project_id: project_id_1,
2846                ..
2847            } => {
2848                if let ListEntry::ParticipantProject {
2849                    project_id: project_id_2,
2850                    ..
2851                } = other
2852                {
2853                    return project_id_1 == project_id_2;
2854                }
2855            }
2856            ListEntry::ParticipantScreen {
2857                peer_id: peer_id_1, ..
2858            } => {
2859                if let ListEntry::ParticipantScreen {
2860                    peer_id: peer_id_2, ..
2861                } = other
2862                {
2863                    return peer_id_1 == peer_id_2;
2864                }
2865            }
2866            ListEntry::Channel {
2867                channel: channel_1, ..
2868            } => {
2869                if let ListEntry::Channel {
2870                    channel: channel_2, ..
2871                } = other
2872                {
2873                    return channel_1.id == channel_2.id;
2874                }
2875            }
2876            ListEntry::HostedProject { id, .. } => {
2877                if let ListEntry::HostedProject { id: other_id, .. } = other {
2878                    return id == other_id;
2879                }
2880            }
2881            ListEntry::ChannelNotes { channel_id } => {
2882                if let ListEntry::ChannelNotes {
2883                    channel_id: other_id,
2884                } = other
2885                {
2886                    return channel_id == other_id;
2887                }
2888            }
2889            ListEntry::ChannelChat { channel_id } => {
2890                if let ListEntry::ChannelChat {
2891                    channel_id: other_id,
2892                } = other
2893                {
2894                    return channel_id == other_id;
2895                }
2896            }
2897            ListEntry::ChannelInvite(channel_1) => {
2898                if let ListEntry::ChannelInvite(channel_2) = other {
2899                    return channel_1.id == channel_2.id;
2900                }
2901            }
2902            ListEntry::IncomingRequest(user_1) => {
2903                if let ListEntry::IncomingRequest(user_2) = other {
2904                    return user_1.id == user_2.id;
2905                }
2906            }
2907            ListEntry::OutgoingRequest(user_1) => {
2908                if let ListEntry::OutgoingRequest(user_2) = other {
2909                    return user_1.id == user_2.id;
2910                }
2911            }
2912            ListEntry::Contact {
2913                contact: contact_1, ..
2914            } => {
2915                if let ListEntry::Contact {
2916                    contact: contact_2, ..
2917                } = other
2918                {
2919                    return contact_1.user.id == contact_2.user.id;
2920                }
2921            }
2922            ListEntry::ChannelEditor { depth } => {
2923                if let ListEntry::ChannelEditor { depth: other_depth } = other {
2924                    return depth == other_depth;
2925                }
2926            }
2927            ListEntry::ContactPlaceholder => {
2928                if let ListEntry::ContactPlaceholder = other {
2929                    return true;
2930                }
2931            }
2932        }
2933        false
2934    }
2935}
2936
2937struct DraggedChannelView {
2938    channel: Channel,
2939    width: Pixels,
2940}
2941
2942impl Render for DraggedChannelView {
2943    fn render(&mut self, cx: &mut ViewContext<Self>) -> impl Element {
2944        let ui_font = ThemeSettings::get_global(cx).ui_font.family.clone();
2945        h_flex()
2946            .font(ui_font)
2947            .bg(cx.theme().colors().background)
2948            .w(self.width)
2949            .p_1()
2950            .gap_1()
2951            .child(
2952                Icon::new(
2953                    if self.channel.visibility == proto::ChannelVisibility::Public {
2954                        IconName::Public
2955                    } else {
2956                        IconName::Hash
2957                    },
2958                )
2959                .size(IconSize::Small)
2960                .color(Color::Muted),
2961            )
2962            .child(Label::new(self.channel.name.clone()))
2963    }
2964}
2965
2966struct JoinChannelTooltip {
2967    channel_store: Model<ChannelStore>,
2968    channel_id: ChannelId,
2969    has_notes_notification: bool,
2970}
2971
2972impl Render for JoinChannelTooltip {
2973    fn render(&mut self, cx: &mut ViewContext<Self>) -> impl IntoElement {
2974        tooltip_container(cx, |container, cx| {
2975            let participants = self
2976                .channel_store
2977                .read(cx)
2978                .channel_participants(self.channel_id);
2979
2980            container
2981                .child(Label::new("Join channel"))
2982                .children(self.has_notes_notification.then(|| {
2983                    h_flex()
2984                        .gap_2()
2985                        .child(Indicator::dot().color(Color::Info))
2986                        .child(Label::new("Unread notes"))
2987                }))
2988                .children(participants.iter().map(|participant| {
2989                    h_flex()
2990                        .gap_2()
2991                        .child(Avatar::new(participant.avatar_uri.clone()))
2992                        .child(Label::new(participant.github_login.clone()))
2993                }))
2994        })
2995    }
2996}