collab_panel.rs

   1mod channel_modal;
   2mod contact_finder;
   3
   4use self::channel_modal::ChannelModal;
   5use crate::{
   6    channel_view::ChannelView, chat_panel::ChatPanel, face_pile::FacePile,
   7    CollaborationPanelSettings,
   8};
   9use call::ActiveCall;
  10use channel::{Channel, ChannelEvent, ChannelStore};
  11use client::{ChannelId, Client, Contact, ProjectId, User, UserStore};
  12use contact_finder::ContactFinder;
  13use db::kvp::KEY_VALUE_STORE;
  14use editor::{Editor, EditorElement, EditorStyle};
  15use fuzzy::{match_strings, StringMatchCandidate};
  16use gpui::{
  17    actions, anchored, canvas, deferred, div, fill, list, point, prelude::*, px, AnyElement,
  18    AppContext, AsyncWindowContext, Bounds, ClickEvent, ClipboardItem, DismissEvent, Div,
  19    EventEmitter, FocusHandle, FocusableView, FontStyle, InteractiveElement, IntoElement,
  20    ListOffset, ListState, Model, MouseDownEvent, ParentElement, Pixels, Point, PromptLevel,
  21    Render, 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: ProjectId,
 189        name: SharedString,
 190    },
 191    Contact {
 192        contact: Arc<Contact>,
 193        calling: bool,
 194    },
 195    ContactPlaceholder,
 196}
 197
 198impl CollabPanel {
 199    pub fn new(workspace: &mut Workspace, cx: &mut ViewContext<Workspace>) -> View<Self> {
 200        cx.new_view(|cx| {
 201            let filter_editor = cx.new_view(|cx| {
 202                let mut editor = Editor::single_line(cx);
 203                editor.set_placeholder_text("Filter...", cx);
 204                editor
 205            });
 206
 207            cx.subscribe(&filter_editor, |this: &mut Self, _, event, cx| {
 208                if let editor::EditorEvent::BufferEdited = event {
 209                    let query = this.filter_editor.read(cx).text(cx);
 210                    if !query.is_empty() {
 211                        this.selection.take();
 212                    }
 213                    this.update_entries(true, cx);
 214                    if !query.is_empty() {
 215                        this.selection = this
 216                            .entries
 217                            .iter()
 218                            .position(|entry| !matches!(entry, ListEntry::Header(_)));
 219                    }
 220                }
 221            })
 222            .detach();
 223
 224            let channel_name_editor = cx.new_view(|cx| Editor::single_line(cx));
 225
 226            cx.subscribe(&channel_name_editor, |this: &mut Self, _, event, cx| {
 227                if let editor::EditorEvent::Blurred = event {
 228                    if let Some(state) = &this.channel_editing_state {
 229                        if state.pending_name().is_some() {
 230                            return;
 231                        }
 232                    }
 233                    this.take_editing_state(cx);
 234                    this.update_entries(false, cx);
 235                    cx.notify();
 236                }
 237            })
 238            .detach();
 239
 240            let view = cx.view().downgrade();
 241            let list_state =
 242                ListState::new(0, gpui::ListAlignment::Top, px(1000.), move |ix, cx| {
 243                    if let Some(view) = view.upgrade() {
 244                        view.update(cx, |view, cx| view.render_list_entry(ix, cx))
 245                    } else {
 246                        div().into_any()
 247                    }
 248                });
 249
 250            let mut this = Self {
 251                width: None,
 252                focus_handle: cx.focus_handle(),
 253                channel_clipboard: None,
 254                fs: workspace.app_state().fs.clone(),
 255                pending_serialization: Task::ready(None),
 256                context_menu: None,
 257                list_state,
 258                channel_name_editor,
 259                filter_editor,
 260                entries: Vec::default(),
 261                channel_editing_state: None,
 262                selection: None,
 263                channel_store: ChannelStore::global(cx),
 264                user_store: workspace.user_store().clone(),
 265                project: workspace.project().clone(),
 266                subscriptions: Vec::default(),
 267                match_candidates: Vec::default(),
 268                collapsed_sections: vec![Section::Offline],
 269                collapsed_channels: Vec::default(),
 270                workspace: workspace.weak_handle(),
 271                client: workspace.app_state().client.clone(),
 272            };
 273
 274            this.update_entries(false, cx);
 275
 276            let active_call = ActiveCall::global(cx);
 277            this.subscriptions
 278                .push(cx.observe(&this.user_store, |this, _, cx| {
 279                    this.update_entries(true, cx)
 280                }));
 281            this.subscriptions
 282                .push(cx.observe(&this.channel_store, move |this, _, cx| {
 283                    this.update_entries(true, cx)
 284                }));
 285            this.subscriptions
 286                .push(cx.observe(&active_call, |this, _, cx| this.update_entries(true, cx)));
 287            this.subscriptions.push(cx.subscribe(
 288                &this.channel_store,
 289                |this, _channel_store, e, cx| match e {
 290                    ChannelEvent::ChannelCreated(channel_id)
 291                    | ChannelEvent::ChannelRenamed(channel_id) => {
 292                        if this.take_editing_state(cx) {
 293                            this.update_entries(false, cx);
 294                            this.selection = this.entries.iter().position(|entry| {
 295                                if let ListEntry::Channel { channel, .. } = entry {
 296                                    channel.id == *channel_id
 297                                } else {
 298                                    false
 299                                }
 300                            });
 301                        }
 302                    }
 303                },
 304            ));
 305
 306            this
 307        })
 308    }
 309
 310    pub async fn load(
 311        workspace: WeakView<Workspace>,
 312        mut cx: AsyncWindowContext,
 313    ) -> anyhow::Result<View<Self>> {
 314        let serialized_panel = cx
 315            .background_executor()
 316            .spawn(async move { KEY_VALUE_STORE.read_kvp(COLLABORATION_PANEL_KEY) })
 317            .await
 318            .map_err(|_| anyhow::anyhow!("Failed to read collaboration panel from key value store"))
 319            .log_err()
 320            .flatten()
 321            .map(|panel| serde_json::from_str::<SerializedCollabPanel>(&panel))
 322            .transpose()
 323            .log_err()
 324            .flatten();
 325
 326        workspace.update(&mut cx, |workspace, cx| {
 327            let panel = CollabPanel::new(workspace, cx);
 328            if let Some(serialized_panel) = serialized_panel {
 329                panel.update(cx, |panel, cx| {
 330                    panel.width = serialized_panel.width.map(|w| w.round());
 331                    panel.collapsed_channels = serialized_panel
 332                        .collapsed_channels
 333                        .unwrap_or_else(|| Vec::new())
 334                        .iter()
 335                        .map(|cid| ChannelId(*cid))
 336                        .collect();
 337                    cx.notify();
 338                });
 339            }
 340            panel
 341        })
 342    }
 343
 344    fn serialize(&mut self, cx: &mut ViewContext<Self>) {
 345        let width = self.width;
 346        let collapsed_channels = self.collapsed_channels.clone();
 347        self.pending_serialization = cx.background_executor().spawn(
 348            async move {
 349                KEY_VALUE_STORE
 350                    .write_kvp(
 351                        COLLABORATION_PANEL_KEY.into(),
 352                        serde_json::to_string(&SerializedCollabPanel {
 353                            width,
 354                            collapsed_channels: Some(
 355                                collapsed_channels.iter().map(|cid| cid.0).collect(),
 356                            ),
 357                        })?,
 358                    )
 359                    .await?;
 360                anyhow::Ok(())
 361            }
 362            .log_err(),
 363        );
 364    }
 365
 366    fn scroll_to_item(&mut self, ix: usize) {
 367        self.list_state.scroll_to_reveal_item(ix)
 368    }
 369
 370    fn update_entries(&mut self, select_same_item: bool, cx: &mut ViewContext<Self>) {
 371        let channel_store = self.channel_store.read(cx);
 372        let user_store = self.user_store.read(cx);
 373        let query = self.filter_editor.read(cx).text(cx);
 374        let executor = cx.background_executor().clone();
 375
 376        let prev_selected_entry = self.selection.and_then(|ix| self.entries.get(ix).cloned());
 377        let old_entries = mem::take(&mut self.entries);
 378        let mut scroll_to_top = false;
 379
 380        if let Some(room) = ActiveCall::global(cx).read(cx).room() {
 381            self.entries.push(ListEntry::Header(Section::ActiveCall));
 382            if !old_entries
 383                .iter()
 384                .any(|entry| matches!(entry, ListEntry::Header(Section::ActiveCall)))
 385            {
 386                scroll_to_top = true;
 387            }
 388
 389            if !self.collapsed_sections.contains(&Section::ActiveCall) {
 390                let room = room.read(cx);
 391
 392                if query.is_empty() {
 393                    if let Some(channel_id) = room.channel_id() {
 394                        self.entries.push(ListEntry::ChannelNotes { channel_id });
 395                        self.entries.push(ListEntry::ChannelChat { channel_id });
 396                    }
 397                }
 398
 399                // Populate the active user.
 400                if let Some(user) = user_store.current_user() {
 401                    self.match_candidates.clear();
 402                    self.match_candidates.push(StringMatchCandidate {
 403                        id: 0,
 404                        string: user.github_login.clone(),
 405                        char_bag: user.github_login.chars().collect(),
 406                    });
 407                    let matches = executor.block(match_strings(
 408                        &self.match_candidates,
 409                        &query,
 410                        true,
 411                        usize::MAX,
 412                        &Default::default(),
 413                        executor.clone(),
 414                    ));
 415                    if !matches.is_empty() {
 416                        let user_id = user.id;
 417                        self.entries.push(ListEntry::CallParticipant {
 418                            user,
 419                            peer_id: None,
 420                            is_pending: false,
 421                            role: room.local_participant().role,
 422                        });
 423                        let mut projects = room.local_participant().projects.iter().peekable();
 424                        while let Some(project) = projects.next() {
 425                            self.entries.push(ListEntry::ParticipantProject {
 426                                project_id: project.id,
 427                                worktree_root_names: project.worktree_root_names.clone(),
 428                                host_user_id: user_id,
 429                                is_last: projects.peek().is_none() && !room.is_screen_sharing(),
 430                            });
 431                        }
 432                        if room.is_screen_sharing() {
 433                            self.entries.push(ListEntry::ParticipantScreen {
 434                                peer_id: None,
 435                                is_last: true,
 436                            });
 437                        }
 438                    }
 439                }
 440
 441                // Populate remote participants.
 442                self.match_candidates.clear();
 443                self.match_candidates
 444                    .extend(room.remote_participants().values().map(|participant| {
 445                        StringMatchCandidate {
 446                            id: participant.user.id as usize,
 447                            string: participant.user.github_login.clone(),
 448                            char_bag: participant.user.github_login.chars().collect(),
 449                        }
 450                    }));
 451                let mut matches = executor.block(match_strings(
 452                    &self.match_candidates,
 453                    &query,
 454                    true,
 455                    usize::MAX,
 456                    &Default::default(),
 457                    executor.clone(),
 458                ));
 459                matches.sort_by(|a, b| {
 460                    let a_is_guest = room.role_for_user(a.candidate_id as u64)
 461                        == Some(proto::ChannelRole::Guest);
 462                    let b_is_guest = room.role_for_user(b.candidate_id as u64)
 463                        == Some(proto::ChannelRole::Guest);
 464                    a_is_guest
 465                        .cmp(&b_is_guest)
 466                        .then_with(|| a.string.cmp(&b.string))
 467                });
 468                for mat in matches {
 469                    let user_id = mat.candidate_id as u64;
 470                    let participant = &room.remote_participants()[&user_id];
 471                    self.entries.push(ListEntry::CallParticipant {
 472                        user: participant.user.clone(),
 473                        peer_id: Some(participant.peer_id),
 474                        is_pending: false,
 475                        role: participant.role,
 476                    });
 477                    let mut projects = participant.projects.iter().peekable();
 478                    while let Some(project) = projects.next() {
 479                        self.entries.push(ListEntry::ParticipantProject {
 480                            project_id: project.id,
 481                            worktree_root_names: project.worktree_root_names.clone(),
 482                            host_user_id: participant.user.id,
 483                            is_last: projects.peek().is_none()
 484                                && participant.video_tracks.is_empty(),
 485                        });
 486                    }
 487                    if !participant.video_tracks.is_empty() {
 488                        self.entries.push(ListEntry::ParticipantScreen {
 489                            peer_id: Some(participant.peer_id),
 490                            is_last: true,
 491                        });
 492                    }
 493                }
 494
 495                // Populate pending participants.
 496                self.match_candidates.clear();
 497                self.match_candidates
 498                    .extend(room.pending_participants().iter().enumerate().map(
 499                        |(id, participant)| StringMatchCandidate {
 500                            id,
 501                            string: participant.github_login.clone(),
 502                            char_bag: participant.github_login.chars().collect(),
 503                        },
 504                    ));
 505                let matches = executor.block(match_strings(
 506                    &self.match_candidates,
 507                    &query,
 508                    true,
 509                    usize::MAX,
 510                    &Default::default(),
 511                    executor.clone(),
 512                ));
 513                self.entries
 514                    .extend(matches.iter().map(|mat| ListEntry::CallParticipant {
 515                        user: room.pending_participants()[mat.candidate_id].clone(),
 516                        peer_id: None,
 517                        is_pending: true,
 518                        role: proto::ChannelRole::Member,
 519                    }));
 520            }
 521        }
 522
 523        let mut request_entries = Vec::new();
 524
 525        self.entries.push(ListEntry::Header(Section::Channels));
 526
 527        if channel_store.channel_count() > 0 || self.channel_editing_state.is_some() {
 528            self.match_candidates.clear();
 529            self.match_candidates
 530                .extend(
 531                    channel_store
 532                        .ordered_channels()
 533                        .enumerate()
 534                        .map(|(ix, (_, channel))| StringMatchCandidate {
 535                            id: ix,
 536                            string: channel.name.clone().into(),
 537                            char_bag: channel.name.chars().collect(),
 538                        }),
 539                );
 540            let matches = executor.block(match_strings(
 541                &self.match_candidates,
 542                &query,
 543                true,
 544                usize::MAX,
 545                &Default::default(),
 546                executor.clone(),
 547            ));
 548            if let Some(state) = &self.channel_editing_state {
 549                if matches!(state, ChannelEditingState::Create { location: None, .. }) {
 550                    self.entries.push(ListEntry::ChannelEditor { depth: 0 });
 551                }
 552            }
 553            let mut collapse_depth = None;
 554            for mat in matches {
 555                let channel = channel_store.channel_at_index(mat.candidate_id).unwrap();
 556                let depth = channel.parent_path.len();
 557
 558                if collapse_depth.is_none() && self.is_channel_collapsed(channel.id) {
 559                    collapse_depth = Some(depth);
 560                } else if let Some(collapsed_depth) = collapse_depth {
 561                    if depth > collapsed_depth {
 562                        continue;
 563                    }
 564                    if self.is_channel_collapsed(channel.id) {
 565                        collapse_depth = Some(depth);
 566                    } else {
 567                        collapse_depth = None;
 568                    }
 569                }
 570
 571                let hosted_projects = channel_store.projects_for_id(channel.id);
 572                let has_children = channel_store
 573                    .channel_at_index(mat.candidate_id + 1)
 574                    .map_or(false, |next_channel| {
 575                        next_channel.parent_path.ends_with(&[channel.id])
 576                    });
 577
 578                match &self.channel_editing_state {
 579                    Some(ChannelEditingState::Create {
 580                        location: parent_id,
 581                        ..
 582                    }) if *parent_id == Some(channel.id) => {
 583                        self.entries.push(ListEntry::Channel {
 584                            channel: channel.clone(),
 585                            depth,
 586                            has_children: false,
 587                        });
 588                        self.entries
 589                            .push(ListEntry::ChannelEditor { depth: depth + 1 });
 590                    }
 591                    Some(ChannelEditingState::Rename {
 592                        location: parent_id,
 593                        ..
 594                    }) if parent_id == &channel.id => {
 595                        self.entries.push(ListEntry::ChannelEditor { depth });
 596                    }
 597                    _ => {
 598                        self.entries.push(ListEntry::Channel {
 599                            channel: channel.clone(),
 600                            depth,
 601                            has_children,
 602                        });
 603                    }
 604                }
 605
 606                for (name, id) in hosted_projects {
 607                    self.entries.push(ListEntry::HostedProject { id, name });
 608                }
 609            }
 610        }
 611
 612        let channel_invites = channel_store.channel_invitations();
 613        if !channel_invites.is_empty() {
 614            self.match_candidates.clear();
 615            self.match_candidates
 616                .extend(channel_invites.iter().enumerate().map(|(ix, channel)| {
 617                    StringMatchCandidate {
 618                        id: ix,
 619                        string: channel.name.clone().into(),
 620                        char_bag: channel.name.chars().collect(),
 621                    }
 622                }));
 623            let matches = executor.block(match_strings(
 624                &self.match_candidates,
 625                &query,
 626                true,
 627                usize::MAX,
 628                &Default::default(),
 629                executor.clone(),
 630            ));
 631            request_entries.extend(
 632                matches
 633                    .iter()
 634                    .map(|mat| ListEntry::ChannelInvite(channel_invites[mat.candidate_id].clone())),
 635            );
 636
 637            if !request_entries.is_empty() {
 638                self.entries
 639                    .push(ListEntry::Header(Section::ChannelInvites));
 640                if !self.collapsed_sections.contains(&Section::ChannelInvites) {
 641                    self.entries.append(&mut request_entries);
 642                }
 643            }
 644        }
 645
 646        self.entries.push(ListEntry::Header(Section::Contacts));
 647
 648        request_entries.clear();
 649        let incoming = user_store.incoming_contact_requests();
 650        if !incoming.is_empty() {
 651            self.match_candidates.clear();
 652            self.match_candidates
 653                .extend(
 654                    incoming
 655                        .iter()
 656                        .enumerate()
 657                        .map(|(ix, user)| StringMatchCandidate {
 658                            id: ix,
 659                            string: user.github_login.clone(),
 660                            char_bag: user.github_login.chars().collect(),
 661                        }),
 662                );
 663            let matches = executor.block(match_strings(
 664                &self.match_candidates,
 665                &query,
 666                true,
 667                usize::MAX,
 668                &Default::default(),
 669                executor.clone(),
 670            ));
 671            request_entries.extend(
 672                matches
 673                    .iter()
 674                    .map(|mat| ListEntry::IncomingRequest(incoming[mat.candidate_id].clone())),
 675            );
 676        }
 677
 678        let outgoing = user_store.outgoing_contact_requests();
 679        if !outgoing.is_empty() {
 680            self.match_candidates.clear();
 681            self.match_candidates
 682                .extend(
 683                    outgoing
 684                        .iter()
 685                        .enumerate()
 686                        .map(|(ix, user)| StringMatchCandidate {
 687                            id: ix,
 688                            string: user.github_login.clone(),
 689                            char_bag: user.github_login.chars().collect(),
 690                        }),
 691                );
 692            let matches = executor.block(match_strings(
 693                &self.match_candidates,
 694                &query,
 695                true,
 696                usize::MAX,
 697                &Default::default(),
 698                executor.clone(),
 699            ));
 700            request_entries.extend(
 701                matches
 702                    .iter()
 703                    .map(|mat| ListEntry::OutgoingRequest(outgoing[mat.candidate_id].clone())),
 704            );
 705        }
 706
 707        if !request_entries.is_empty() {
 708            self.entries
 709                .push(ListEntry::Header(Section::ContactRequests));
 710            if !self.collapsed_sections.contains(&Section::ContactRequests) {
 711                self.entries.append(&mut request_entries);
 712            }
 713        }
 714
 715        let contacts = user_store.contacts();
 716        if !contacts.is_empty() {
 717            self.match_candidates.clear();
 718            self.match_candidates
 719                .extend(
 720                    contacts
 721                        .iter()
 722                        .enumerate()
 723                        .map(|(ix, contact)| StringMatchCandidate {
 724                            id: ix,
 725                            string: contact.user.github_login.clone(),
 726                            char_bag: contact.user.github_login.chars().collect(),
 727                        }),
 728                );
 729
 730            let matches = executor.block(match_strings(
 731                &self.match_candidates,
 732                &query,
 733                true,
 734                usize::MAX,
 735                &Default::default(),
 736                executor.clone(),
 737            ));
 738
 739            let (online_contacts, offline_contacts) = matches
 740                .iter()
 741                .partition::<Vec<_>, _>(|mat| contacts[mat.candidate_id].online);
 742
 743            for (matches, section) in [
 744                (online_contacts, Section::Online),
 745                (offline_contacts, Section::Offline),
 746            ] {
 747                if !matches.is_empty() {
 748                    self.entries.push(ListEntry::Header(section));
 749                    if !self.collapsed_sections.contains(&section) {
 750                        let active_call = &ActiveCall::global(cx).read(cx);
 751                        for mat in matches {
 752                            let contact = &contacts[mat.candidate_id];
 753                            self.entries.push(ListEntry::Contact {
 754                                contact: contact.clone(),
 755                                calling: active_call.pending_invites().contains(&contact.user.id),
 756                            });
 757                        }
 758                    }
 759                }
 760            }
 761        }
 762
 763        if incoming.is_empty() && outgoing.is_empty() && contacts.is_empty() {
 764            self.entries.push(ListEntry::ContactPlaceholder);
 765        }
 766
 767        if select_same_item {
 768            if let Some(prev_selected_entry) = prev_selected_entry {
 769                self.selection.take();
 770                for (ix, entry) in self.entries.iter().enumerate() {
 771                    if *entry == prev_selected_entry {
 772                        self.selection = Some(ix);
 773                        break;
 774                    }
 775                }
 776            }
 777        } else {
 778            self.selection = self.selection.and_then(|prev_selection| {
 779                if self.entries.is_empty() {
 780                    None
 781                } else {
 782                    Some(prev_selection.min(self.entries.len() - 1))
 783                }
 784            });
 785        }
 786
 787        let old_scroll_top = self.list_state.logical_scroll_top();
 788        self.list_state.reset(self.entries.len());
 789
 790        if scroll_to_top {
 791            self.list_state.scroll_to(ListOffset::default());
 792        } else {
 793            // Attempt to maintain the same scroll position.
 794            if let Some(old_top_entry) = old_entries.get(old_scroll_top.item_ix) {
 795                let new_scroll_top = self
 796                    .entries
 797                    .iter()
 798                    .position(|entry| entry == old_top_entry)
 799                    .map(|item_ix| ListOffset {
 800                        item_ix,
 801                        offset_in_item: old_scroll_top.offset_in_item,
 802                    })
 803                    .or_else(|| {
 804                        let entry_after_old_top = old_entries.get(old_scroll_top.item_ix + 1)?;
 805                        let item_ix = self
 806                            .entries
 807                            .iter()
 808                            .position(|entry| entry == entry_after_old_top)?;
 809                        Some(ListOffset {
 810                            item_ix,
 811                            offset_in_item: Pixels::ZERO,
 812                        })
 813                    })
 814                    .or_else(|| {
 815                        let entry_before_old_top =
 816                            old_entries.get(old_scroll_top.item_ix.saturating_sub(1))?;
 817                        let item_ix = self
 818                            .entries
 819                            .iter()
 820                            .position(|entry| entry == entry_before_old_top)?;
 821                        Some(ListOffset {
 822                            item_ix,
 823                            offset_in_item: Pixels::ZERO,
 824                        })
 825                    });
 826
 827                self.list_state
 828                    .scroll_to(new_scroll_top.unwrap_or(old_scroll_top));
 829            }
 830        }
 831
 832        cx.notify();
 833    }
 834
 835    fn render_call_participant(
 836        &self,
 837        user: &Arc<User>,
 838        peer_id: Option<PeerId>,
 839        is_pending: bool,
 840        role: proto::ChannelRole,
 841        is_selected: bool,
 842        cx: &mut ViewContext<Self>,
 843    ) -> ListItem {
 844        let user_id = user.id;
 845        let is_current_user =
 846            self.user_store.read(cx).current_user().map(|user| user.id) == Some(user_id);
 847        let tooltip = format!("Follow {}", user.github_login);
 848
 849        let is_call_admin = ActiveCall::global(cx).read(cx).room().is_some_and(|room| {
 850            room.read(cx).local_participant().role == proto::ChannelRole::Admin
 851        });
 852
 853        ListItem::new(SharedString::from(user.github_login.clone()))
 854            .start_slot(Avatar::new(user.avatar_uri.clone()))
 855            .child(Label::new(user.github_login.clone()))
 856            .selected(is_selected)
 857            .end_slot(if is_pending {
 858                Label::new("Calling").color(Color::Muted).into_any_element()
 859            } else if is_current_user {
 860                IconButton::new("leave-call", IconName::Exit)
 861                    .style(ButtonStyle::Subtle)
 862                    .on_click(move |_, cx| Self::leave_call(cx))
 863                    .tooltip(|cx| Tooltip::text("Leave Call", cx))
 864                    .into_any_element()
 865            } else if role == proto::ChannelRole::Guest {
 866                Label::new("Guest").color(Color::Muted).into_any_element()
 867            } else if role == proto::ChannelRole::Talker {
 868                Label::new("Mic only")
 869                    .color(Color::Muted)
 870                    .into_any_element()
 871            } else {
 872                div().into_any_element()
 873            })
 874            .when_some(peer_id, |el, peer_id| {
 875                if role == proto::ChannelRole::Guest {
 876                    return el;
 877                }
 878                el.tooltip(move |cx| Tooltip::text(tooltip.clone(), cx))
 879                    .on_click(cx.listener(move |this, _, cx| {
 880                        this.workspace
 881                            .update(cx, |workspace, cx| workspace.follow(peer_id, cx))
 882                            .ok();
 883                    }))
 884            })
 885            .when(is_call_admin, |el| {
 886                el.on_secondary_mouse_down(cx.listener(move |this, event: &MouseDownEvent, cx| {
 887                    this.deploy_participant_context_menu(event.position, user_id, role, cx)
 888                }))
 889            })
 890    }
 891
 892    fn render_participant_project(
 893        &self,
 894        project_id: u64,
 895        worktree_root_names: &[String],
 896        host_user_id: u64,
 897        is_last: bool,
 898        is_selected: bool,
 899        cx: &mut ViewContext<Self>,
 900    ) -> impl IntoElement {
 901        let project_name: SharedString = if worktree_root_names.is_empty() {
 902            "untitled".to_string()
 903        } else {
 904            worktree_root_names.join(", ")
 905        }
 906        .into();
 907
 908        ListItem::new(project_id as usize)
 909            .selected(is_selected)
 910            .on_click(cx.listener(move |this, _, cx| {
 911                this.workspace
 912                    .update(cx, |workspace, cx| {
 913                        let app_state = workspace.app_state().clone();
 914                        workspace::join_in_room_project(project_id, host_user_id, app_state, cx)
 915                            .detach_and_prompt_err("Failed to join project", cx, |_, _| None);
 916                    })
 917                    .ok();
 918            }))
 919            .start_slot(
 920                h_flex()
 921                    .gap_1()
 922                    .child(render_tree_branch(is_last, false, cx))
 923                    .child(IconButton::new(0, IconName::Folder)),
 924            )
 925            .child(Label::new(project_name.clone()))
 926            .tooltip(move |cx| Tooltip::text(format!("Open {}", project_name), cx))
 927    }
 928
 929    fn render_participant_screen(
 930        &self,
 931        peer_id: Option<PeerId>,
 932        is_last: bool,
 933        is_selected: bool,
 934        cx: &mut ViewContext<Self>,
 935    ) -> impl IntoElement {
 936        let id = peer_id.map_or(usize::MAX, |id| id.as_u64() as usize);
 937
 938        ListItem::new(("screen", id))
 939            .selected(is_selected)
 940            .start_slot(
 941                h_flex()
 942                    .gap_1()
 943                    .child(render_tree_branch(is_last, false, cx))
 944                    .child(IconButton::new(0, IconName::Screen)),
 945            )
 946            .child(Label::new("Screen"))
 947            .when_some(peer_id, |this, _| {
 948                this.on_click(cx.listener(move |this, _, cx| {
 949                    this.workspace
 950                        .update(cx, |workspace, cx| {
 951                            workspace.open_shared_screen(peer_id.unwrap(), cx)
 952                        })
 953                        .ok();
 954                }))
 955                .tooltip(move |cx| Tooltip::text("Open shared screen", cx))
 956            })
 957    }
 958
 959    fn take_editing_state(&mut self, cx: &mut ViewContext<Self>) -> bool {
 960        if let Some(_) = self.channel_editing_state.take() {
 961            self.channel_name_editor.update(cx, |editor, cx| {
 962                editor.set_text("", cx);
 963            });
 964            true
 965        } else {
 966            false
 967        }
 968    }
 969
 970    fn render_channel_notes(
 971        &self,
 972        channel_id: ChannelId,
 973        is_selected: bool,
 974        cx: &mut ViewContext<Self>,
 975    ) -> impl IntoElement {
 976        let channel_store = self.channel_store.read(cx);
 977        let has_channel_buffer_changed = channel_store.has_channel_buffer_changed(channel_id);
 978        ListItem::new("channel-notes")
 979            .selected(is_selected)
 980            .on_click(cx.listener(move |this, _, cx| {
 981                this.open_channel_notes(channel_id, cx);
 982            }))
 983            .start_slot(
 984                h_flex()
 985                    .relative()
 986                    .gap_1()
 987                    .child(render_tree_branch(false, true, cx))
 988                    .child(IconButton::new(0, IconName::File))
 989                    .children(has_channel_buffer_changed.then(|| {
 990                        div()
 991                            .w_1p5()
 992                            .absolute()
 993                            .right(px(2.))
 994                            .top(px(2.))
 995                            .child(Indicator::dot().color(Color::Info))
 996                    })),
 997            )
 998            .child(Label::new("notes"))
 999            .tooltip(move |cx| Tooltip::text("Open Channel Notes", cx))
1000    }
1001
1002    fn render_channel_chat(
1003        &self,
1004        channel_id: ChannelId,
1005        is_selected: bool,
1006        cx: &mut ViewContext<Self>,
1007    ) -> impl IntoElement {
1008        let channel_store = self.channel_store.read(cx);
1009        let has_messages_notification = channel_store.has_new_messages(channel_id);
1010        ListItem::new("channel-chat")
1011            .selected(is_selected)
1012            .on_click(cx.listener(move |this, _, cx| {
1013                this.join_channel_chat(channel_id, cx);
1014            }))
1015            .start_slot(
1016                h_flex()
1017                    .relative()
1018                    .gap_1()
1019                    .child(render_tree_branch(false, false, cx))
1020                    .child(IconButton::new(0, IconName::MessageBubbles))
1021                    .children(has_messages_notification.then(|| {
1022                        div()
1023                            .w_1p5()
1024                            .absolute()
1025                            .right(px(2.))
1026                            .top(px(4.))
1027                            .child(Indicator::dot().color(Color::Info))
1028                    })),
1029            )
1030            .child(Label::new("chat"))
1031            .tooltip(move |cx| Tooltip::text("Open Chat", cx))
1032    }
1033
1034    fn render_channel_project(
1035        &self,
1036        id: ProjectId,
1037        name: &SharedString,
1038        is_selected: bool,
1039        cx: &mut ViewContext<Self>,
1040    ) -> impl IntoElement {
1041        ListItem::new(ElementId::NamedInteger(
1042            "channel-project".into(),
1043            id.0 as usize,
1044        ))
1045        .indent_level(2)
1046        .indent_step_size(px(20.))
1047        .selected(is_selected)
1048        .on_click(cx.listener(move |this, _, cx| {
1049            if let Some(workspace) = this.workspace.upgrade() {
1050                let app_state = workspace.read(cx).app_state().clone();
1051                workspace::join_hosted_project(id, app_state, cx).detach_and_prompt_err(
1052                    "Failed to open project",
1053                    cx,
1054                    |_, _| None,
1055                )
1056            }
1057        }))
1058        .start_slot(
1059            h_flex()
1060                .relative()
1061                .gap_1()
1062                .child(IconButton::new(0, IconName::FileTree)),
1063        )
1064        .child(Label::new(name.clone()))
1065        .tooltip(move |cx| Tooltip::text("Open Project", cx))
1066    }
1067
1068    fn has_subchannels(&self, ix: usize) -> bool {
1069        self.entries.get(ix).map_or(false, |entry| {
1070            if let ListEntry::Channel { has_children, .. } = entry {
1071                *has_children
1072            } else {
1073                false
1074            }
1075        })
1076    }
1077
1078    fn deploy_participant_context_menu(
1079        &mut self,
1080        position: Point<Pixels>,
1081        user_id: u64,
1082        role: proto::ChannelRole,
1083        cx: &mut ViewContext<Self>,
1084    ) {
1085        let this = cx.view().clone();
1086        if !(role == proto::ChannelRole::Guest
1087            || role == proto::ChannelRole::Talker
1088            || role == proto::ChannelRole::Member)
1089        {
1090            return;
1091        }
1092
1093        let context_menu = ContextMenu::build(cx, |mut context_menu, cx| {
1094            if role == proto::ChannelRole::Guest {
1095                context_menu = context_menu.entry(
1096                    "Grant Mic Access",
1097                    None,
1098                    cx.handler_for(&this, move |_, cx| {
1099                        ActiveCall::global(cx)
1100                            .update(cx, |call, cx| {
1101                                let Some(room) = call.room() else {
1102                                    return Task::ready(Ok(()));
1103                                };
1104                                room.update(cx, |room, cx| {
1105                                    room.set_participant_role(
1106                                        user_id,
1107                                        proto::ChannelRole::Talker,
1108                                        cx,
1109                                    )
1110                                })
1111                            })
1112                            .detach_and_prompt_err("Failed to grant mic access", cx, |_, _| None)
1113                    }),
1114                );
1115            }
1116            if role == proto::ChannelRole::Guest || role == proto::ChannelRole::Talker {
1117                context_menu = context_menu.entry(
1118                    "Grant Write Access",
1119                    None,
1120                    cx.handler_for(&this, move |_, cx| {
1121                        ActiveCall::global(cx)
1122                            .update(cx, |call, cx| {
1123                                let Some(room) = call.room() else {
1124                                    return Task::ready(Ok(()));
1125                                };
1126                                room.update(cx, |room, cx| {
1127                                    room.set_participant_role(
1128                                        user_id,
1129                                        proto::ChannelRole::Member,
1130                                        cx,
1131                                    )
1132                                })
1133                            })
1134                            .detach_and_prompt_err("Failed to grant write access", cx, |e, _| {
1135                                match e.error_code() {
1136                                    ErrorCode::NeedsCla => Some("This user has not yet signed the CLA at https://zed.dev/cla.".into()),
1137                                    _ => None,
1138                                }
1139                            })
1140                    }),
1141                );
1142            }
1143            if role == proto::ChannelRole::Member || role == proto::ChannelRole::Talker {
1144                let label = if role == proto::ChannelRole::Talker {
1145                    "Mute"
1146                } else {
1147                    "Revoke Access"
1148                };
1149                context_menu = context_menu.entry(
1150                    label,
1151                    None,
1152                    cx.handler_for(&this, move |_, cx| {
1153                        ActiveCall::global(cx)
1154                            .update(cx, |call, cx| {
1155                                let Some(room) = call.room() else {
1156                                    return Task::ready(Ok(()));
1157                                };
1158                                room.update(cx, |room, cx| {
1159                                    room.set_participant_role(
1160                                        user_id,
1161                                        proto::ChannelRole::Guest,
1162                                        cx,
1163                                    )
1164                                })
1165                            })
1166                            .detach_and_prompt_err("Failed to revoke access", cx, |_, _| None)
1167                    }),
1168                );
1169            }
1170
1171            context_menu
1172        });
1173
1174        cx.focus_view(&context_menu);
1175        let subscription =
1176            cx.subscribe(&context_menu, |this, _, _: &DismissEvent, cx| {
1177                if this.context_menu.as_ref().is_some_and(|context_menu| {
1178                    context_menu.0.focus_handle(cx).contains_focused(cx)
1179                }) {
1180                    cx.focus_self();
1181                }
1182                this.context_menu.take();
1183                cx.notify();
1184            });
1185        self.context_menu = Some((context_menu, position, subscription));
1186    }
1187
1188    fn deploy_channel_context_menu(
1189        &mut self,
1190        position: Point<Pixels>,
1191        channel_id: ChannelId,
1192        ix: usize,
1193        cx: &mut ViewContext<Self>,
1194    ) {
1195        let clipboard_channel_name = self.channel_clipboard.as_ref().and_then(|clipboard| {
1196            self.channel_store
1197                .read(cx)
1198                .channel_for_id(clipboard.channel_id)
1199                .map(|channel| channel.name.clone())
1200        });
1201        let this = cx.view().clone();
1202
1203        let context_menu = ContextMenu::build(cx, |mut context_menu, cx| {
1204            if self.has_subchannels(ix) {
1205                let expand_action_name = if self.is_channel_collapsed(channel_id) {
1206                    "Expand Subchannels"
1207                } else {
1208                    "Collapse Subchannels"
1209                };
1210                context_menu = context_menu.entry(
1211                    expand_action_name,
1212                    None,
1213                    cx.handler_for(&this, move |this, cx| {
1214                        this.toggle_channel_collapsed(channel_id, cx)
1215                    }),
1216                );
1217            }
1218
1219            context_menu = context_menu
1220                .entry(
1221                    "Open Notes",
1222                    None,
1223                    cx.handler_for(&this, move |this, cx| {
1224                        this.open_channel_notes(channel_id, cx)
1225                    }),
1226                )
1227                .entry(
1228                    "Open Chat",
1229                    None,
1230                    cx.handler_for(&this, move |this, cx| {
1231                        this.join_channel_chat(channel_id, cx)
1232                    }),
1233                )
1234                .entry(
1235                    "Copy Channel Link",
1236                    None,
1237                    cx.handler_for(&this, move |this, cx| {
1238                        this.copy_channel_link(channel_id, cx)
1239                    }),
1240                );
1241
1242            let mut has_destructive_actions = false;
1243            if self.channel_store.read(cx).is_channel_admin(channel_id) {
1244                has_destructive_actions = true;
1245                context_menu = context_menu
1246                    .separator()
1247                    .entry(
1248                        "New Subchannel",
1249                        None,
1250                        cx.handler_for(&this, move |this, cx| this.new_subchannel(channel_id, cx)),
1251                    )
1252                    .entry(
1253                        "Rename",
1254                        Some(Box::new(SecondaryConfirm)),
1255                        cx.handler_for(&this, move |this, cx| this.rename_channel(channel_id, cx)),
1256                    );
1257
1258                if let Some(channel_name) = clipboard_channel_name {
1259                    context_menu = context_menu.separator().entry(
1260                        format!("Move '#{}' here", channel_name),
1261                        None,
1262                        cx.handler_for(&this, move |this, cx| {
1263                            this.move_channel_on_clipboard(channel_id, cx)
1264                        }),
1265                    );
1266                }
1267
1268                if self.channel_store.read(cx).is_root_channel(channel_id) {
1269                    context_menu = context_menu.separator().entry(
1270                        "Manage Members",
1271                        None,
1272                        cx.handler_for(&this, move |this, cx| this.manage_members(channel_id, cx)),
1273                    )
1274                } else {
1275                    context_menu = context_menu.entry(
1276                        "Move this channel",
1277                        None,
1278                        cx.handler_for(&this, move |this, cx| {
1279                            this.start_move_channel(channel_id, cx)
1280                        }),
1281                    );
1282                    if self.channel_store.read(cx).is_public_channel(channel_id) {
1283                        context_menu = context_menu.separator().entry(
1284                            "Make Channel Private",
1285                            None,
1286                            cx.handler_for(&this, move |this, cx| {
1287                                this.set_channel_visibility(
1288                                    channel_id,
1289                                    ChannelVisibility::Members,
1290                                    cx,
1291                                )
1292                            }),
1293                        )
1294                    } else {
1295                        context_menu = context_menu.separator().entry(
1296                            "Make Channel Public",
1297                            None,
1298                            cx.handler_for(&this, move |this, cx| {
1299                                this.set_channel_visibility(
1300                                    channel_id,
1301                                    ChannelVisibility::Public,
1302                                    cx,
1303                                )
1304                            }),
1305                        )
1306                    }
1307                }
1308
1309                context_menu = context_menu.entry(
1310                    "Delete",
1311                    None,
1312                    cx.handler_for(&this, move |this, cx| this.remove_channel(channel_id, cx)),
1313                );
1314            }
1315
1316            if self.channel_store.read(cx).is_root_channel(channel_id) {
1317                if !has_destructive_actions {
1318                    context_menu = context_menu.separator()
1319                }
1320                context_menu = context_menu.entry(
1321                    "Leave Channel",
1322                    None,
1323                    cx.handler_for(&this, move |this, cx| this.leave_channel(channel_id, cx)),
1324                );
1325            }
1326
1327            context_menu
1328        });
1329
1330        cx.focus_view(&context_menu);
1331        let subscription =
1332            cx.subscribe(&context_menu, |this, _, _: &DismissEvent, cx| {
1333                if this.context_menu.as_ref().is_some_and(|context_menu| {
1334                    context_menu.0.focus_handle(cx).contains_focused(cx)
1335                }) {
1336                    cx.focus_self();
1337                }
1338                this.context_menu.take();
1339                cx.notify();
1340            });
1341        self.context_menu = Some((context_menu, position, subscription));
1342
1343        cx.notify();
1344    }
1345
1346    fn deploy_contact_context_menu(
1347        &mut self,
1348        position: Point<Pixels>,
1349        contact: Arc<Contact>,
1350        cx: &mut ViewContext<Self>,
1351    ) {
1352        let this = cx.view().clone();
1353        let in_room = ActiveCall::global(cx).read(cx).room().is_some();
1354
1355        let context_menu = ContextMenu::build(cx, |mut context_menu, _| {
1356            let user_id = contact.user.id;
1357
1358            if contact.online && !contact.busy {
1359                let label = if in_room {
1360                    format!("Invite {} to join", contact.user.github_login)
1361                } else {
1362                    format!("Call {}", contact.user.github_login)
1363                };
1364                context_menu = context_menu.entry(label, None, {
1365                    let this = this.clone();
1366                    move |cx| {
1367                        this.update(cx, |this, cx| {
1368                            this.call(user_id, cx);
1369                        });
1370                    }
1371                });
1372            }
1373
1374            context_menu.entry("Remove Contact", None, {
1375                let this = this.clone();
1376                move |cx| {
1377                    this.update(cx, |this, cx| {
1378                        this.remove_contact(contact.user.id, &contact.user.github_login, cx);
1379                    });
1380                }
1381            })
1382        });
1383
1384        cx.focus_view(&context_menu);
1385        let subscription =
1386            cx.subscribe(&context_menu, |this, _, _: &DismissEvent, cx| {
1387                if this.context_menu.as_ref().is_some_and(|context_menu| {
1388                    context_menu.0.focus_handle(cx).contains_focused(cx)
1389                }) {
1390                    cx.focus_self();
1391                }
1392                this.context_menu.take();
1393                cx.notify();
1394            });
1395        self.context_menu = Some((context_menu, position, subscription));
1396
1397        cx.notify();
1398    }
1399
1400    fn cancel(&mut self, _: &Cancel, cx: &mut ViewContext<Self>) {
1401        if self.take_editing_state(cx) {
1402            cx.focus_view(&self.filter_editor);
1403        } else {
1404            self.filter_editor.update(cx, |editor, cx| {
1405                if editor.buffer().read(cx).len(cx) > 0 {
1406                    editor.set_text("", cx);
1407                }
1408            });
1409        }
1410
1411        if self.context_menu.is_some() {
1412            self.context_menu.take();
1413            cx.notify();
1414        }
1415
1416        self.update_entries(false, cx);
1417    }
1418
1419    fn select_next(&mut self, _: &SelectNext, cx: &mut ViewContext<Self>) {
1420        let ix = self.selection.map_or(0, |ix| ix + 1);
1421        if ix < self.entries.len() {
1422            self.selection = Some(ix);
1423        }
1424
1425        if let Some(ix) = self.selection {
1426            self.scroll_to_item(ix)
1427        }
1428        cx.notify();
1429    }
1430
1431    fn select_prev(&mut self, _: &SelectPrev, cx: &mut ViewContext<Self>) {
1432        let ix = self.selection.take().unwrap_or(0);
1433        if ix > 0 {
1434            self.selection = Some(ix - 1);
1435        }
1436
1437        if let Some(ix) = self.selection {
1438            self.scroll_to_item(ix)
1439        }
1440        cx.notify();
1441    }
1442
1443    fn confirm(&mut self, _: &Confirm, cx: &mut ViewContext<Self>) {
1444        if self.confirm_channel_edit(cx) {
1445            return;
1446        }
1447
1448        if let Some(selection) = self.selection {
1449            if let Some(entry) = self.entries.get(selection) {
1450                match entry {
1451                    ListEntry::Header(section) => match section {
1452                        Section::ActiveCall => Self::leave_call(cx),
1453                        Section::Channels => self.new_root_channel(cx),
1454                        Section::Contacts => self.toggle_contact_finder(cx),
1455                        Section::ContactRequests
1456                        | Section::Online
1457                        | Section::Offline
1458                        | Section::ChannelInvites => {
1459                            self.toggle_section_expanded(*section, cx);
1460                        }
1461                    },
1462                    ListEntry::Contact { contact, calling } => {
1463                        if contact.online && !contact.busy && !calling {
1464                            self.call(contact.user.id, cx);
1465                        }
1466                    }
1467                    ListEntry::ParticipantProject {
1468                        project_id,
1469                        host_user_id,
1470                        ..
1471                    } => {
1472                        if let Some(workspace) = self.workspace.upgrade() {
1473                            let app_state = workspace.read(cx).app_state().clone();
1474                            workspace::join_in_room_project(
1475                                *project_id,
1476                                *host_user_id,
1477                                app_state,
1478                                cx,
1479                            )
1480                            .detach_and_prompt_err(
1481                                "Failed to join project",
1482                                cx,
1483                                |_, _| None,
1484                            );
1485                        }
1486                    }
1487                    ListEntry::ParticipantScreen { peer_id, .. } => {
1488                        let Some(peer_id) = peer_id else {
1489                            return;
1490                        };
1491                        if let Some(workspace) = self.workspace.upgrade() {
1492                            workspace.update(cx, |workspace, cx| {
1493                                workspace.open_shared_screen(*peer_id, cx)
1494                            });
1495                        }
1496                    }
1497                    ListEntry::Channel { channel, .. } => {
1498                        let is_active = maybe!({
1499                            let call_channel = ActiveCall::global(cx)
1500                                .read(cx)
1501                                .room()?
1502                                .read(cx)
1503                                .channel_id()?;
1504
1505                            Some(call_channel == channel.id)
1506                        })
1507                        .unwrap_or(false);
1508                        if is_active {
1509                            self.open_channel_notes(channel.id, cx)
1510                        } else {
1511                            self.join_channel(channel.id, cx)
1512                        }
1513                    }
1514                    ListEntry::ContactPlaceholder => self.toggle_contact_finder(cx),
1515                    ListEntry::CallParticipant { user, peer_id, .. } => {
1516                        if Some(user) == self.user_store.read(cx).current_user().as_ref() {
1517                            Self::leave_call(cx);
1518                        } else if let Some(peer_id) = peer_id {
1519                            self.workspace
1520                                .update(cx, |workspace, cx| workspace.follow(*peer_id, cx))
1521                                .ok();
1522                        }
1523                    }
1524                    ListEntry::IncomingRequest(user) => {
1525                        self.respond_to_contact_request(user.id, true, cx)
1526                    }
1527                    ListEntry::ChannelInvite(channel) => {
1528                        self.respond_to_channel_invite(channel.id, true, cx)
1529                    }
1530                    ListEntry::ChannelNotes { channel_id } => {
1531                        self.open_channel_notes(*channel_id, cx)
1532                    }
1533                    ListEntry::ChannelChat { channel_id } => {
1534                        self.join_channel_chat(*channel_id, cx)
1535                    }
1536                    ListEntry::HostedProject {
1537                        id: _id,
1538                        name: _name,
1539                    } => {
1540                        // todo()
1541                    }
1542                    ListEntry::OutgoingRequest(_) => {}
1543                    ListEntry::ChannelEditor { .. } => {}
1544                }
1545            }
1546        }
1547    }
1548
1549    fn insert_space(&mut self, _: &InsertSpace, cx: &mut ViewContext<Self>) {
1550        if self.channel_editing_state.is_some() {
1551            self.channel_name_editor.update(cx, |editor, cx| {
1552                editor.insert(" ", cx);
1553            });
1554        }
1555    }
1556
1557    fn confirm_channel_edit(&mut self, cx: &mut ViewContext<CollabPanel>) -> bool {
1558        if let Some(editing_state) = &mut self.channel_editing_state {
1559            match editing_state {
1560                ChannelEditingState::Create {
1561                    location,
1562                    pending_name,
1563                    ..
1564                } => {
1565                    if pending_name.is_some() {
1566                        return false;
1567                    }
1568                    let channel_name = self.channel_name_editor.read(cx).text(cx);
1569
1570                    *pending_name = Some(channel_name.clone());
1571
1572                    let create = self.channel_store.update(cx, |channel_store, cx| {
1573                        channel_store.create_channel(&channel_name, *location, cx)
1574                    });
1575                    if location.is_none() {
1576                        cx.spawn(|this, mut cx| async move {
1577                            let channel_id = create.await?;
1578                            this.update(&mut cx, |this, cx| {
1579                                this.show_channel_modal(
1580                                    channel_id,
1581                                    channel_modal::Mode::InviteMembers,
1582                                    cx,
1583                                )
1584                            })
1585                        })
1586                        .detach_and_prompt_err(
1587                            "Failed to create channel",
1588                            cx,
1589                            |_, _| None,
1590                        );
1591                    } else {
1592                        create.detach_and_prompt_err("Failed to create channel", cx, |_, _| None);
1593                    }
1594                    cx.notify();
1595                }
1596                ChannelEditingState::Rename {
1597                    location,
1598                    pending_name,
1599                } => {
1600                    if pending_name.is_some() {
1601                        return false;
1602                    }
1603                    let channel_name = self.channel_name_editor.read(cx).text(cx);
1604                    *pending_name = Some(channel_name.clone());
1605
1606                    self.channel_store
1607                        .update(cx, |channel_store, cx| {
1608                            channel_store.rename(*location, &channel_name, cx)
1609                        })
1610                        .detach();
1611                    cx.notify();
1612                }
1613            }
1614            cx.focus_self();
1615            true
1616        } else {
1617            false
1618        }
1619    }
1620
1621    fn toggle_section_expanded(&mut self, section: Section, cx: &mut ViewContext<Self>) {
1622        if let Some(ix) = self.collapsed_sections.iter().position(|s| *s == section) {
1623            self.collapsed_sections.remove(ix);
1624        } else {
1625            self.collapsed_sections.push(section);
1626        }
1627        self.update_entries(false, cx);
1628    }
1629
1630    fn collapse_selected_channel(
1631        &mut self,
1632        _: &CollapseSelectedChannel,
1633        cx: &mut ViewContext<Self>,
1634    ) {
1635        let Some(channel_id) = self.selected_channel().map(|channel| channel.id) else {
1636            return;
1637        };
1638
1639        if self.is_channel_collapsed(channel_id) {
1640            return;
1641        }
1642
1643        self.toggle_channel_collapsed(channel_id, cx);
1644    }
1645
1646    fn expand_selected_channel(&mut self, _: &ExpandSelectedChannel, cx: &mut ViewContext<Self>) {
1647        let Some(id) = self.selected_channel().map(|channel| channel.id) else {
1648            return;
1649        };
1650
1651        if !self.is_channel_collapsed(id) {
1652            return;
1653        }
1654
1655        self.toggle_channel_collapsed(id, cx)
1656    }
1657
1658    fn toggle_channel_collapsed(&mut self, channel_id: ChannelId, cx: &mut ViewContext<Self>) {
1659        match self.collapsed_channels.binary_search(&channel_id) {
1660            Ok(ix) => {
1661                self.collapsed_channels.remove(ix);
1662            }
1663            Err(ix) => {
1664                self.collapsed_channels.insert(ix, channel_id);
1665            }
1666        };
1667        self.serialize(cx);
1668        self.update_entries(true, cx);
1669        cx.notify();
1670        cx.focus_self();
1671    }
1672
1673    fn is_channel_collapsed(&self, channel_id: ChannelId) -> bool {
1674        self.collapsed_channels.binary_search(&channel_id).is_ok()
1675    }
1676
1677    fn leave_call(cx: &mut WindowContext) {
1678        ActiveCall::global(cx)
1679            .update(cx, |call, cx| call.hang_up(cx))
1680            .detach_and_prompt_err("Failed to hang up", cx, |_, _| None);
1681    }
1682
1683    fn toggle_contact_finder(&mut self, cx: &mut ViewContext<Self>) {
1684        if let Some(workspace) = self.workspace.upgrade() {
1685            workspace.update(cx, |workspace, cx| {
1686                workspace.toggle_modal(cx, |cx| {
1687                    let mut finder = ContactFinder::new(self.user_store.clone(), cx);
1688                    finder.set_query(self.filter_editor.read(cx).text(cx), cx);
1689                    finder
1690                });
1691            });
1692        }
1693    }
1694
1695    fn new_root_channel(&mut self, cx: &mut ViewContext<Self>) {
1696        self.channel_editing_state = Some(ChannelEditingState::Create {
1697            location: None,
1698            pending_name: None,
1699        });
1700        self.update_entries(false, cx);
1701        self.select_channel_editor();
1702        cx.focus_view(&self.channel_name_editor);
1703        cx.notify();
1704    }
1705
1706    fn select_channel_editor(&mut self) {
1707        self.selection = self.entries.iter().position(|entry| match entry {
1708            ListEntry::ChannelEditor { .. } => true,
1709            _ => false,
1710        });
1711    }
1712
1713    fn new_subchannel(&mut self, channel_id: ChannelId, cx: &mut ViewContext<Self>) {
1714        self.collapsed_channels
1715            .retain(|channel| *channel != channel_id);
1716        self.channel_editing_state = Some(ChannelEditingState::Create {
1717            location: Some(channel_id),
1718            pending_name: None,
1719        });
1720        self.update_entries(false, cx);
1721        self.select_channel_editor();
1722        cx.focus_view(&self.channel_name_editor);
1723        cx.notify();
1724    }
1725
1726    fn manage_members(&mut self, channel_id: ChannelId, cx: &mut ViewContext<Self>) {
1727        self.show_channel_modal(channel_id, channel_modal::Mode::ManageMembers, cx);
1728    }
1729
1730    fn remove_selected_channel(&mut self, _: &Remove, cx: &mut ViewContext<Self>) {
1731        if let Some(channel) = self.selected_channel() {
1732            self.remove_channel(channel.id, cx)
1733        }
1734    }
1735
1736    fn rename_selected_channel(&mut self, _: &SecondaryConfirm, cx: &mut ViewContext<Self>) {
1737        if let Some(channel) = self.selected_channel() {
1738            self.rename_channel(channel.id, cx);
1739        }
1740    }
1741
1742    fn rename_channel(&mut self, channel_id: ChannelId, cx: &mut ViewContext<Self>) {
1743        let channel_store = self.channel_store.read(cx);
1744        if !channel_store.is_channel_admin(channel_id) {
1745            return;
1746        }
1747        if let Some(channel) = channel_store.channel_for_id(channel_id).cloned() {
1748            self.channel_editing_state = Some(ChannelEditingState::Rename {
1749                location: channel_id,
1750                pending_name: None,
1751            });
1752            self.channel_name_editor.update(cx, |editor, cx| {
1753                editor.set_text(channel.name.clone(), cx);
1754                editor.select_all(&Default::default(), cx);
1755            });
1756            cx.focus_view(&self.channel_name_editor);
1757            self.update_entries(false, cx);
1758            self.select_channel_editor();
1759        }
1760    }
1761
1762    fn set_channel_visibility(
1763        &mut self,
1764        channel_id: ChannelId,
1765        visibility: ChannelVisibility,
1766        cx: &mut ViewContext<Self>,
1767    ) {
1768        self.channel_store
1769            .update(cx, |channel_store, cx| {
1770                channel_store.set_channel_visibility(channel_id, visibility, cx)
1771            })
1772            .detach_and_prompt_err("Failed to set channel visibility", cx, |e, _| match e.error_code() {
1773                ErrorCode::BadPublicNesting =>
1774                    if e.error_tag("direction") == Some("parent") {
1775                        Some("To make a channel public, its parent channel must be public.".to_string())
1776                    } else {
1777                        Some("To make a channel private, all of its subchannels must be private.".to_string())
1778                    },
1779                _ => None
1780            });
1781    }
1782
1783    fn start_move_channel(&mut self, channel_id: ChannelId, _cx: &mut ViewContext<Self>) {
1784        self.channel_clipboard = Some(ChannelMoveClipboard { channel_id });
1785    }
1786
1787    fn start_move_selected_channel(&mut self, _: &StartMoveChannel, cx: &mut ViewContext<Self>) {
1788        if let Some(channel) = self.selected_channel() {
1789            self.start_move_channel(channel.id, cx);
1790        }
1791    }
1792
1793    fn move_channel_on_clipboard(
1794        &mut self,
1795        to_channel_id: ChannelId,
1796        cx: &mut ViewContext<CollabPanel>,
1797    ) {
1798        if let Some(clipboard) = self.channel_clipboard.take() {
1799            self.move_channel(clipboard.channel_id, to_channel_id, cx)
1800        }
1801    }
1802
1803    fn move_channel(&self, channel_id: ChannelId, to: ChannelId, cx: &mut ViewContext<Self>) {
1804        self.channel_store
1805            .update(cx, |channel_store, cx| {
1806                channel_store.move_channel(channel_id, to, cx)
1807            })
1808            .detach_and_prompt_err("Failed to move channel", cx, |e, _| match e.error_code() {
1809                ErrorCode::BadPublicNesting => {
1810                    Some("Public channels must have public parents".into())
1811                }
1812                ErrorCode::CircularNesting => Some("You cannot move a channel into itself".into()),
1813                ErrorCode::WrongMoveTarget => {
1814                    Some("You cannot move a channel into a different root channel".into())
1815                }
1816                _ => None,
1817            })
1818    }
1819
1820    fn open_channel_notes(&mut self, channel_id: ChannelId, cx: &mut ViewContext<Self>) {
1821        if let Some(workspace) = self.workspace.upgrade() {
1822            ChannelView::open(channel_id, None, workspace, cx).detach();
1823        }
1824    }
1825
1826    fn show_inline_context_menu(&mut self, _: &menu::SecondaryConfirm, cx: &mut ViewContext<Self>) {
1827        let Some(bounds) = self
1828            .selection
1829            .and_then(|ix| self.list_state.bounds_for_item(ix))
1830        else {
1831            return;
1832        };
1833
1834        if let Some(channel) = self.selected_channel() {
1835            self.deploy_channel_context_menu(
1836                bounds.center(),
1837                channel.id,
1838                self.selection.unwrap(),
1839                cx,
1840            );
1841            cx.stop_propagation();
1842            return;
1843        };
1844
1845        if let Some(contact) = self.selected_contact() {
1846            self.deploy_contact_context_menu(bounds.center(), contact, cx);
1847            cx.stop_propagation();
1848            return;
1849        };
1850    }
1851
1852    fn selected_channel(&self) -> Option<&Arc<Channel>> {
1853        self.selection
1854            .and_then(|ix| self.entries.get(ix))
1855            .and_then(|entry| match entry {
1856                ListEntry::Channel { channel, .. } => Some(channel),
1857                _ => None,
1858            })
1859    }
1860
1861    fn selected_contact(&self) -> Option<Arc<Contact>> {
1862        self.selection
1863            .and_then(|ix| self.entries.get(ix))
1864            .and_then(|entry| match entry {
1865                ListEntry::Contact { contact, .. } => Some(contact.clone()),
1866                _ => None,
1867            })
1868    }
1869
1870    fn show_channel_modal(
1871        &mut self,
1872        channel_id: ChannelId,
1873        mode: channel_modal::Mode,
1874        cx: &mut ViewContext<Self>,
1875    ) {
1876        let workspace = self.workspace.clone();
1877        let user_store = self.user_store.clone();
1878        let channel_store = self.channel_store.clone();
1879
1880        cx.spawn(|_, mut cx| async move {
1881            workspace.update(&mut cx, |workspace, cx| {
1882                workspace.toggle_modal(cx, |cx| {
1883                    ChannelModal::new(
1884                        user_store.clone(),
1885                        channel_store.clone(),
1886                        channel_id,
1887                        mode,
1888                        cx,
1889                    )
1890                });
1891            })
1892        })
1893        .detach();
1894    }
1895
1896    fn leave_channel(&self, channel_id: ChannelId, cx: &mut ViewContext<Self>) {
1897        let Some(user_id) = self.user_store.read(cx).current_user().map(|u| u.id) else {
1898            return;
1899        };
1900        let Some(channel) = self.channel_store.read(cx).channel_for_id(channel_id) else {
1901            return;
1902        };
1903        let prompt_message = format!("Are you sure you want to leave \"#{}\"?", channel.name);
1904        let answer = cx.prompt(
1905            PromptLevel::Warning,
1906            &prompt_message,
1907            None,
1908            &["Leave", "Cancel"],
1909        );
1910        cx.spawn(|this, mut cx| async move {
1911            if answer.await? != 0 {
1912                return Ok(());
1913            }
1914            this.update(&mut cx, |this, cx| {
1915                this.channel_store.update(cx, |channel_store, cx| {
1916                    channel_store.remove_member(channel_id, user_id, cx)
1917                })
1918            })?
1919            .await
1920        })
1921        .detach_and_prompt_err("Failed to leave channel", cx, |_, _| None)
1922    }
1923
1924    fn remove_channel(&mut self, channel_id: ChannelId, cx: &mut ViewContext<Self>) {
1925        let channel_store = self.channel_store.clone();
1926        if let Some(channel) = channel_store.read(cx).channel_for_id(channel_id) {
1927            let prompt_message = format!(
1928                "Are you sure you want to remove the channel \"{}\"?",
1929                channel.name
1930            );
1931            let answer = cx.prompt(
1932                PromptLevel::Warning,
1933                &prompt_message,
1934                None,
1935                &["Remove", "Cancel"],
1936            );
1937            cx.spawn(|this, mut cx| async move {
1938                if answer.await? == 0 {
1939                    channel_store
1940                        .update(&mut cx, |channels, _| channels.remove_channel(channel_id))?
1941                        .await
1942                        .notify_async_err(&mut cx);
1943                    this.update(&mut cx, |_, cx| cx.focus_self()).ok();
1944                }
1945                anyhow::Ok(())
1946            })
1947            .detach();
1948        }
1949    }
1950
1951    fn remove_contact(&mut self, user_id: u64, github_login: &str, cx: &mut ViewContext<Self>) {
1952        let user_store = self.user_store.clone();
1953        let prompt_message = format!(
1954            "Are you sure you want to remove \"{}\" from your contacts?",
1955            github_login
1956        );
1957        let answer = cx.prompt(
1958            PromptLevel::Warning,
1959            &prompt_message,
1960            None,
1961            &["Remove", "Cancel"],
1962        );
1963        cx.spawn(|_, mut cx| async move {
1964            if answer.await? == 0 {
1965                user_store
1966                    .update(&mut cx, |store, cx| store.remove_contact(user_id, cx))?
1967                    .await
1968                    .notify_async_err(&mut cx);
1969            }
1970            anyhow::Ok(())
1971        })
1972        .detach_and_prompt_err("Failed to remove contact", cx, |_, _| None);
1973    }
1974
1975    fn respond_to_contact_request(
1976        &mut self,
1977        user_id: u64,
1978        accept: bool,
1979        cx: &mut ViewContext<Self>,
1980    ) {
1981        self.user_store
1982            .update(cx, |store, cx| {
1983                store.respond_to_contact_request(user_id, accept, cx)
1984            })
1985            .detach_and_prompt_err("Failed to respond to contact request", cx, |_, _| None);
1986    }
1987
1988    fn respond_to_channel_invite(
1989        &mut self,
1990        channel_id: ChannelId,
1991        accept: bool,
1992        cx: &mut ViewContext<Self>,
1993    ) {
1994        self.channel_store
1995            .update(cx, |store, cx| {
1996                store.respond_to_channel_invite(channel_id, accept, cx)
1997            })
1998            .detach();
1999    }
2000
2001    fn call(&mut self, recipient_user_id: u64, cx: &mut ViewContext<Self>) {
2002        ActiveCall::global(cx)
2003            .update(cx, |call, cx| {
2004                call.invite(recipient_user_id, Some(self.project.clone()), cx)
2005            })
2006            .detach_and_prompt_err("Call failed", cx, |_, _| None);
2007    }
2008
2009    fn join_channel(&self, channel_id: ChannelId, cx: &mut ViewContext<Self>) {
2010        let Some(workspace) = self.workspace.upgrade() else {
2011            return;
2012        };
2013        let Some(handle) = cx.window_handle().downcast::<Workspace>() else {
2014            return;
2015        };
2016        workspace::join_channel(
2017            channel_id,
2018            workspace.read(cx).app_state().clone(),
2019            Some(handle),
2020            cx,
2021        )
2022        .detach_and_prompt_err("Failed to join channel", cx, |_, _| None)
2023    }
2024
2025    fn join_channel_chat(&mut self, channel_id: ChannelId, cx: &mut ViewContext<Self>) {
2026        let Some(workspace) = self.workspace.upgrade() else {
2027            return;
2028        };
2029        cx.window_context().defer(move |cx| {
2030            workspace.update(cx, |workspace, cx| {
2031                if let Some(panel) = workspace.focus_panel::<ChatPanel>(cx) {
2032                    panel.update(cx, |panel, cx| {
2033                        panel
2034                            .select_channel(channel_id, None, cx)
2035                            .detach_and_notify_err(cx);
2036                    });
2037                }
2038            });
2039        });
2040    }
2041
2042    fn copy_channel_link(&mut self, channel_id: ChannelId, cx: &mut ViewContext<Self>) {
2043        let channel_store = self.channel_store.read(cx);
2044        let Some(channel) = channel_store.channel_for_id(channel_id) else {
2045            return;
2046        };
2047        let item = ClipboardItem::new(channel.link(cx));
2048        cx.write_to_clipboard(item)
2049    }
2050
2051    fn render_signed_out(&mut self, cx: &mut ViewContext<Self>) -> Div {
2052        let collab_blurb = "Work with your team in realtime with collaborative editing, voice, shared notes and more.";
2053
2054        v_flex()
2055            .gap_6()
2056            .p_4()
2057            .child(Label::new(collab_blurb))
2058            .child(
2059                v_flex()
2060                    .gap_2()
2061                    .child(
2062                        Button::new("sign_in", "Sign in")
2063                            .icon_color(Color::Muted)
2064                            .icon(IconName::Github)
2065                            .icon_position(IconPosition::Start)
2066                            .style(ButtonStyle::Filled)
2067                            .full_width()
2068                            .on_click(cx.listener(|this, _, cx| {
2069                                let client = this.client.clone();
2070                                cx.spawn(|_, mut cx| async move {
2071                                    client
2072                                        .authenticate_and_connect(true, &cx)
2073                                        .await
2074                                        .notify_async_err(&mut cx);
2075                                })
2076                                .detach()
2077                            })),
2078                    )
2079                    .child(
2080                        div().flex().w_full().items_center().child(
2081                            Label::new("Sign in to enable collaboration.")
2082                                .color(Color::Muted)
2083                                .size(LabelSize::Small),
2084                        ),
2085                    ),
2086            )
2087    }
2088
2089    fn render_list_entry(&mut self, ix: usize, cx: &mut ViewContext<Self>) -> AnyElement {
2090        let entry = &self.entries[ix];
2091
2092        let is_selected = self.selection == Some(ix);
2093        match entry {
2094            ListEntry::Header(section) => {
2095                let is_collapsed = self.collapsed_sections.contains(section);
2096                self.render_header(*section, is_selected, is_collapsed, cx)
2097                    .into_any_element()
2098            }
2099            ListEntry::Contact { contact, calling } => self
2100                .render_contact(contact, *calling, is_selected, cx)
2101                .into_any_element(),
2102            ListEntry::ContactPlaceholder => self
2103                .render_contact_placeholder(is_selected, cx)
2104                .into_any_element(),
2105            ListEntry::IncomingRequest(user) => self
2106                .render_contact_request(user, true, is_selected, cx)
2107                .into_any_element(),
2108            ListEntry::OutgoingRequest(user) => self
2109                .render_contact_request(user, false, is_selected, cx)
2110                .into_any_element(),
2111            ListEntry::Channel {
2112                channel,
2113                depth,
2114                has_children,
2115            } => self
2116                .render_channel(channel, *depth, *has_children, is_selected, ix, cx)
2117                .into_any_element(),
2118            ListEntry::ChannelEditor { depth } => {
2119                self.render_channel_editor(*depth, cx).into_any_element()
2120            }
2121            ListEntry::ChannelInvite(channel) => self
2122                .render_channel_invite(channel, is_selected, cx)
2123                .into_any_element(),
2124            ListEntry::CallParticipant {
2125                user,
2126                peer_id,
2127                is_pending,
2128                role,
2129            } => self
2130                .render_call_participant(user, *peer_id, *is_pending, *role, is_selected, cx)
2131                .into_any_element(),
2132            ListEntry::ParticipantProject {
2133                project_id,
2134                worktree_root_names,
2135                host_user_id,
2136                is_last,
2137            } => self
2138                .render_participant_project(
2139                    *project_id,
2140                    &worktree_root_names,
2141                    *host_user_id,
2142                    *is_last,
2143                    is_selected,
2144                    cx,
2145                )
2146                .into_any_element(),
2147            ListEntry::ParticipantScreen { peer_id, is_last } => self
2148                .render_participant_screen(*peer_id, *is_last, is_selected, cx)
2149                .into_any_element(),
2150            ListEntry::ChannelNotes { channel_id } => self
2151                .render_channel_notes(*channel_id, is_selected, cx)
2152                .into_any_element(),
2153            ListEntry::ChannelChat { channel_id } => self
2154                .render_channel_chat(*channel_id, is_selected, cx)
2155                .into_any_element(),
2156
2157            ListEntry::HostedProject { id, name } => self
2158                .render_channel_project(*id, name, is_selected, cx)
2159                .into_any_element(),
2160        }
2161    }
2162
2163    fn render_signed_in(&mut self, cx: &mut ViewContext<Self>) -> Div {
2164        self.channel_store.update(cx, |channel_store, _| {
2165            channel_store.initialize();
2166        });
2167        v_flex()
2168            .size_full()
2169            .child(list(self.list_state.clone()).size_full())
2170            .child(
2171                v_flex()
2172                    .child(div().mx_2().border_primary(cx).border_t_1())
2173                    .child(
2174                        v_flex()
2175                            .p_2()
2176                            .child(self.render_filter_input(&self.filter_editor, cx)),
2177                    ),
2178            )
2179    }
2180
2181    fn render_filter_input(
2182        &self,
2183        editor: &View<Editor>,
2184        cx: &mut ViewContext<Self>,
2185    ) -> impl IntoElement {
2186        let settings = ThemeSettings::get_global(cx);
2187        let text_style = TextStyle {
2188            color: if editor.read(cx).read_only(cx) {
2189                cx.theme().colors().text_disabled
2190            } else {
2191                cx.theme().colors().text
2192            },
2193            font_family: settings.ui_font.family.clone(),
2194            font_features: settings.ui_font.features.clone(),
2195            font_size: rems(0.875).into(),
2196            font_weight: settings.ui_font.weight,
2197            font_style: FontStyle::Normal,
2198            line_height: relative(1.3),
2199            background_color: None,
2200            underline: None,
2201            strikethrough: None,
2202            white_space: WhiteSpace::Normal,
2203        };
2204
2205        EditorElement::new(
2206            editor,
2207            EditorStyle {
2208                local_player: cx.theme().players().local(),
2209                text: text_style,
2210                ..Default::default()
2211            },
2212        )
2213    }
2214
2215    fn render_header(
2216        &self,
2217        section: Section,
2218        is_selected: bool,
2219        is_collapsed: bool,
2220        cx: &ViewContext<Self>,
2221    ) -> impl IntoElement {
2222        let mut channel_link = None;
2223        let mut channel_tooltip_text = None;
2224        let mut channel_icon = None;
2225
2226        let text = match section {
2227            Section::ActiveCall => {
2228                let channel_name = maybe!({
2229                    let channel_id = ActiveCall::global(cx).read(cx).channel_id(cx)?;
2230
2231                    let channel = self.channel_store.read(cx).channel_for_id(channel_id)?;
2232
2233                    channel_link = Some(channel.link(cx));
2234                    (channel_icon, channel_tooltip_text) = match channel.visibility {
2235                        proto::ChannelVisibility::Public => {
2236                            (Some("icons/public.svg"), Some("Copy public channel link."))
2237                        }
2238                        proto::ChannelVisibility::Members => {
2239                            (Some("icons/hash.svg"), Some("Copy private channel link."))
2240                        }
2241                    };
2242
2243                    Some(channel.name.as_ref())
2244                });
2245
2246                if let Some(name) = channel_name {
2247                    SharedString::from(name.to_string())
2248                } else {
2249                    SharedString::from("Current Call")
2250                }
2251            }
2252            Section::ContactRequests => SharedString::from("Requests"),
2253            Section::Contacts => SharedString::from("Contacts"),
2254            Section::Channels => SharedString::from("Channels"),
2255            Section::ChannelInvites => SharedString::from("Invites"),
2256            Section::Online => SharedString::from("Online"),
2257            Section::Offline => SharedString::from("Offline"),
2258        };
2259
2260        let button = match section {
2261            Section::ActiveCall => channel_link.map(|channel_link| {
2262                let channel_link_copy = channel_link.clone();
2263                IconButton::new("channel-link", IconName::Copy)
2264                    .icon_size(IconSize::Small)
2265                    .size(ButtonSize::None)
2266                    .visible_on_hover("section-header")
2267                    .on_click(move |_, cx| {
2268                        let item = ClipboardItem::new(channel_link_copy.clone());
2269                        cx.write_to_clipboard(item)
2270                    })
2271                    .tooltip(|cx| Tooltip::text("Copy channel link", cx))
2272                    .into_any_element()
2273            }),
2274            Section::Contacts => Some(
2275                IconButton::new("add-contact", IconName::Plus)
2276                    .on_click(cx.listener(|this, _, cx| this.toggle_contact_finder(cx)))
2277                    .tooltip(|cx| Tooltip::text("Search for new contact", cx))
2278                    .into_any_element(),
2279            ),
2280            Section::Channels => Some(
2281                IconButton::new("add-channel", IconName::Plus)
2282                    .on_click(cx.listener(|this, _, cx| this.new_root_channel(cx)))
2283                    .tooltip(|cx| Tooltip::text("Create a channel", cx))
2284                    .into_any_element(),
2285            ),
2286            _ => None,
2287        };
2288
2289        let can_collapse = match section {
2290            Section::ActiveCall | Section::Channels | Section::Contacts => false,
2291            Section::ChannelInvites
2292            | Section::ContactRequests
2293            | Section::Online
2294            | Section::Offline => true,
2295        };
2296
2297        h_flex().w_full().group("section-header").child(
2298            ListHeader::new(text)
2299                .when(can_collapse, |header| {
2300                    header
2301                        .toggle(Some(!is_collapsed))
2302                        .on_toggle(cx.listener(move |this, _, cx| {
2303                            this.toggle_section_expanded(section, cx);
2304                        }))
2305                })
2306                .inset(true)
2307                .end_slot::<AnyElement>(button)
2308                .selected(is_selected),
2309        )
2310    }
2311
2312    fn render_contact(
2313        &self,
2314        contact: &Arc<Contact>,
2315        calling: bool,
2316        is_selected: bool,
2317        cx: &mut ViewContext<Self>,
2318    ) -> impl IntoElement {
2319        let online = contact.online;
2320        let busy = contact.busy || calling;
2321        let github_login = SharedString::from(contact.user.github_login.clone());
2322        let item = ListItem::new(github_login.clone())
2323            .indent_level(1)
2324            .indent_step_size(px(20.))
2325            .selected(is_selected)
2326            .child(
2327                h_flex()
2328                    .w_full()
2329                    .justify_between()
2330                    .child(Label::new(github_login.clone()))
2331                    .when(calling, |el| {
2332                        el.child(Label::new("Calling").color(Color::Muted))
2333                    })
2334                    .when(!calling, |el| {
2335                        el.child(
2336                            IconButton::new("contact context menu", IconName::Ellipsis)
2337                                .icon_color(Color::Muted)
2338                                .visible_on_hover("")
2339                                .on_click(cx.listener({
2340                                    let contact = contact.clone();
2341                                    move |this, event: &ClickEvent, cx| {
2342                                        this.deploy_contact_context_menu(
2343                                            event.down.position,
2344                                            contact.clone(),
2345                                            cx,
2346                                        );
2347                                    }
2348                                })),
2349                        )
2350                    }),
2351            )
2352            .on_secondary_mouse_down(cx.listener({
2353                let contact = contact.clone();
2354                move |this, event: &MouseDownEvent, cx| {
2355                    this.deploy_contact_context_menu(event.position, contact.clone(), cx);
2356                }
2357            }))
2358            .start_slot(
2359                // todo handle contacts with no avatar
2360                Avatar::new(contact.user.avatar_uri.clone())
2361                    .indicator::<AvatarAvailabilityIndicator>(if online {
2362                        Some(AvatarAvailabilityIndicator::new(match busy {
2363                            true => ui::Availability::Busy,
2364                            false => ui::Availability::Free,
2365                        }))
2366                    } else {
2367                        None
2368                    }),
2369            );
2370
2371        div()
2372            .id(github_login.clone())
2373            .group("")
2374            .child(item)
2375            .tooltip(move |cx| {
2376                let text = if !online {
2377                    format!(" {} is offline", &github_login)
2378                } else if busy {
2379                    format!(" {} is on a call", &github_login)
2380                } else {
2381                    let room = ActiveCall::global(cx).read(cx).room();
2382                    if room.is_some() {
2383                        format!("Invite {} to join call", &github_login)
2384                    } else {
2385                        format!("Call {}", &github_login)
2386                    }
2387                };
2388                Tooltip::text(text, cx)
2389            })
2390    }
2391
2392    fn render_contact_request(
2393        &self,
2394        user: &Arc<User>,
2395        is_incoming: bool,
2396        is_selected: bool,
2397        cx: &mut ViewContext<Self>,
2398    ) -> impl IntoElement {
2399        let github_login = SharedString::from(user.github_login.clone());
2400        let user_id = user.id;
2401        let is_response_pending = self.user_store.read(cx).is_contact_request_pending(&user);
2402        let color = if is_response_pending {
2403            Color::Muted
2404        } else {
2405            Color::Default
2406        };
2407
2408        let controls = if is_incoming {
2409            vec![
2410                IconButton::new("decline-contact", IconName::Close)
2411                    .on_click(cx.listener(move |this, _, cx| {
2412                        this.respond_to_contact_request(user_id, false, cx);
2413                    }))
2414                    .icon_color(color)
2415                    .tooltip(|cx| Tooltip::text("Decline invite", cx)),
2416                IconButton::new("accept-contact", IconName::Check)
2417                    .on_click(cx.listener(move |this, _, cx| {
2418                        this.respond_to_contact_request(user_id, true, cx);
2419                    }))
2420                    .icon_color(color)
2421                    .tooltip(|cx| Tooltip::text("Accept invite", cx)),
2422            ]
2423        } else {
2424            let github_login = github_login.clone();
2425            vec![IconButton::new("remove_contact", IconName::Close)
2426                .on_click(cx.listener(move |this, _, cx| {
2427                    this.remove_contact(user_id, &github_login, cx);
2428                }))
2429                .icon_color(color)
2430                .tooltip(|cx| Tooltip::text("Cancel invite", cx))]
2431        };
2432
2433        ListItem::new(github_login.clone())
2434            .indent_level(1)
2435            .indent_step_size(px(20.))
2436            .selected(is_selected)
2437            .child(
2438                h_flex()
2439                    .w_full()
2440                    .justify_between()
2441                    .child(Label::new(github_login.clone()))
2442                    .child(h_flex().children(controls)),
2443            )
2444            .start_slot(Avatar::new(user.avatar_uri.clone()))
2445    }
2446
2447    fn render_channel_invite(
2448        &self,
2449        channel: &Arc<Channel>,
2450        is_selected: bool,
2451        cx: &mut ViewContext<Self>,
2452    ) -> ListItem {
2453        let channel_id = channel.id;
2454        let response_is_pending = self
2455            .channel_store
2456            .read(cx)
2457            .has_pending_channel_invite_response(&channel);
2458        let color = if response_is_pending {
2459            Color::Muted
2460        } else {
2461            Color::Default
2462        };
2463
2464        let controls = [
2465            IconButton::new("reject-invite", IconName::Close)
2466                .on_click(cx.listener(move |this, _, cx| {
2467                    this.respond_to_channel_invite(channel_id, false, cx);
2468                }))
2469                .icon_color(color)
2470                .tooltip(|cx| Tooltip::text("Decline invite", cx)),
2471            IconButton::new("accept-invite", IconName::Check)
2472                .on_click(cx.listener(move |this, _, cx| {
2473                    this.respond_to_channel_invite(channel_id, true, cx);
2474                }))
2475                .icon_color(color)
2476                .tooltip(|cx| Tooltip::text("Accept invite", cx)),
2477        ];
2478
2479        ListItem::new(("channel-invite", channel.id.0 as usize))
2480            .selected(is_selected)
2481            .child(
2482                h_flex()
2483                    .w_full()
2484                    .justify_between()
2485                    .child(Label::new(channel.name.clone()))
2486                    .child(h_flex().children(controls)),
2487            )
2488            .start_slot(
2489                Icon::new(IconName::Hash)
2490                    .size(IconSize::Small)
2491                    .color(Color::Muted),
2492            )
2493    }
2494
2495    fn render_contact_placeholder(
2496        &self,
2497        is_selected: bool,
2498        cx: &mut ViewContext<Self>,
2499    ) -> ListItem {
2500        ListItem::new("contact-placeholder")
2501            .child(Icon::new(IconName::Plus))
2502            .child(Label::new("Add a Contact"))
2503            .selected(is_selected)
2504            .on_click(cx.listener(|this, _, cx| this.toggle_contact_finder(cx)))
2505    }
2506
2507    fn render_channel(
2508        &self,
2509        channel: &Channel,
2510        depth: usize,
2511        has_children: bool,
2512        is_selected: bool,
2513        ix: usize,
2514        cx: &mut ViewContext<Self>,
2515    ) -> impl IntoElement {
2516        let channel_id = channel.id;
2517
2518        let is_active = maybe!({
2519            let call_channel = ActiveCall::global(cx)
2520                .read(cx)
2521                .room()?
2522                .read(cx)
2523                .channel_id()?;
2524            Some(call_channel == channel_id)
2525        })
2526        .unwrap_or(false);
2527        let channel_store = self.channel_store.read(cx);
2528        let is_public = channel_store
2529            .channel_for_id(channel_id)
2530            .map(|channel| channel.visibility)
2531            == Some(proto::ChannelVisibility::Public);
2532        let disclosed =
2533            has_children.then(|| self.collapsed_channels.binary_search(&channel.id).is_err());
2534
2535        let has_messages_notification = channel_store.has_new_messages(channel_id);
2536        let has_notes_notification = channel_store.has_channel_buffer_changed(channel_id);
2537
2538        const FACEPILE_LIMIT: usize = 3;
2539        let participants = self.channel_store.read(cx).channel_participants(channel_id);
2540
2541        let face_pile = if participants.is_empty() {
2542            None
2543        } else {
2544            let extra_count = participants.len().saturating_sub(FACEPILE_LIMIT);
2545            let result = FacePile::new(
2546                participants
2547                    .iter()
2548                    .map(|user| Avatar::new(user.avatar_uri.clone()).into_any_element())
2549                    .take(FACEPILE_LIMIT)
2550                    .chain(if extra_count > 0 {
2551                        Some(
2552                            div()
2553                                .ml_2()
2554                                .child(Label::new(format!("+{extra_count}")))
2555                                .into_any_element(),
2556                        )
2557                    } else {
2558                        None
2559                    })
2560                    .collect::<SmallVec<_>>(),
2561            );
2562
2563            Some(result)
2564        };
2565
2566        let width = self.width.unwrap_or(px(240.));
2567        let root_id = channel.root_id();
2568
2569        div()
2570            .h_6()
2571            .id(channel_id.0 as usize)
2572            .group("")
2573            .flex()
2574            .w_full()
2575            .when(!channel.is_root_channel(), |el| {
2576                el.on_drag(channel.clone(), move |channel, cx| {
2577                    cx.new_view(|_| DraggedChannelView {
2578                        channel: channel.clone(),
2579                        width,
2580                    })
2581                })
2582            })
2583            .drag_over::<Channel>({
2584                move |style, dragged_channel: &Channel, cx| {
2585                    if dragged_channel.root_id() == root_id {
2586                        style.bg(cx.theme().colors().ghost_element_hover)
2587                    } else {
2588                        style
2589                    }
2590                }
2591            })
2592            .on_drop(cx.listener(move |this, dragged_channel: &Channel, cx| {
2593                if dragged_channel.root_id() != root_id {
2594                    return;
2595                }
2596                this.move_channel(dragged_channel.id, channel_id, cx);
2597            }))
2598            .child(
2599                ListItem::new(channel_id.0 as usize)
2600                    // Add one level of depth for the disclosure arrow.
2601                    .indent_level(depth + 1)
2602                    .indent_step_size(px(20.))
2603                    .selected(is_selected || is_active)
2604                    .toggle(disclosed)
2605                    .on_toggle(
2606                        cx.listener(move |this, _, cx| {
2607                            this.toggle_channel_collapsed(channel_id, cx)
2608                        }),
2609                    )
2610                    .on_click(cx.listener(move |this, _, cx| {
2611                        if is_active {
2612                            this.open_channel_notes(channel_id, cx)
2613                        } else {
2614                            this.join_channel(channel_id, cx)
2615                        }
2616                    }))
2617                    .on_secondary_mouse_down(cx.listener(
2618                        move |this, event: &MouseDownEvent, cx| {
2619                            this.deploy_channel_context_menu(event.position, channel_id, ix, cx)
2620                        },
2621                    ))
2622                    .start_slot(
2623                        div()
2624                            .relative()
2625                            .child(
2626                                Icon::new(if is_public {
2627                                    IconName::Public
2628                                } else {
2629                                    IconName::Hash
2630                                })
2631                                .size(IconSize::Small)
2632                                .color(Color::Muted),
2633                            )
2634                            .children(has_notes_notification.then(|| {
2635                                div()
2636                                    .w_1p5()
2637                                    .absolute()
2638                                    .right(px(-1.))
2639                                    .top(px(-1.))
2640                                    .child(Indicator::dot().color(Color::Info))
2641                            })),
2642                    )
2643                    .child(
2644                        h_flex()
2645                            .id(channel_id.0 as usize)
2646                            .child(Label::new(channel.name.clone()))
2647                            .children(face_pile.map(|face_pile| face_pile.p_1())),
2648                    ),
2649            )
2650            .child(
2651                h_flex().absolute().right(rems(0.)).h_full().child(
2652                    h_flex()
2653                        .h_full()
2654                        .gap_1()
2655                        .px_1()
2656                        .child(
2657                            IconButton::new("channel_chat", IconName::MessageBubbles)
2658                                .style(ButtonStyle::Filled)
2659                                .shape(ui::IconButtonShape::Square)
2660                                .icon_size(IconSize::Small)
2661                                .icon_color(if has_messages_notification {
2662                                    Color::Default
2663                                } else {
2664                                    Color::Muted
2665                                })
2666                                .on_click(cx.listener(move |this, _, cx| {
2667                                    this.join_channel_chat(channel_id, cx)
2668                                }))
2669                                .tooltip(|cx| Tooltip::text("Open channel chat", cx))
2670                                .visible_on_hover(""),
2671                        )
2672                        .child(
2673                            IconButton::new("channel_notes", IconName::File)
2674                                .style(ButtonStyle::Filled)
2675                                .shape(ui::IconButtonShape::Square)
2676                                .icon_size(IconSize::Small)
2677                                .icon_color(if has_notes_notification {
2678                                    Color::Default
2679                                } else {
2680                                    Color::Muted
2681                                })
2682                                .on_click(cx.listener(move |this, _, cx| {
2683                                    this.open_channel_notes(channel_id, cx)
2684                                }))
2685                                .tooltip(|cx| Tooltip::text("Open channel notes", cx))
2686                                .visible_on_hover(""),
2687                        ),
2688                ),
2689            )
2690            .tooltip({
2691                let channel_store = self.channel_store.clone();
2692                move |cx| {
2693                    cx.new_view(|_| JoinChannelTooltip {
2694                        channel_store: channel_store.clone(),
2695                        channel_id,
2696                        has_notes_notification,
2697                    })
2698                    .into()
2699                }
2700            })
2701    }
2702
2703    fn render_channel_editor(&self, depth: usize, _cx: &mut ViewContext<Self>) -> impl IntoElement {
2704        let item = ListItem::new("channel-editor")
2705            .inset(false)
2706            // Add one level of depth for the disclosure arrow.
2707            .indent_level(depth + 1)
2708            .indent_step_size(px(20.))
2709            .start_slot(
2710                Icon::new(IconName::Hash)
2711                    .size(IconSize::Small)
2712                    .color(Color::Muted),
2713            );
2714
2715        if let Some(pending_name) = self
2716            .channel_editing_state
2717            .as_ref()
2718            .and_then(|state| state.pending_name())
2719        {
2720            item.child(Label::new(pending_name))
2721        } else {
2722            item.child(self.channel_name_editor.clone())
2723        }
2724    }
2725}
2726
2727fn render_tree_branch(is_last: bool, overdraw: bool, cx: &mut WindowContext) -> impl IntoElement {
2728    let rem_size = cx.rem_size();
2729    let line_height = cx.text_style().line_height_in_pixels(rem_size);
2730    let width = rem_size * 1.5;
2731    let thickness = px(1.);
2732    let color = cx.theme().colors().text;
2733
2734    canvas(
2735        |_, _| {},
2736        move |bounds, _, cx| {
2737            let start_x = (bounds.left() + bounds.right() - thickness) / 2.;
2738            let start_y = (bounds.top() + bounds.bottom() - thickness) / 2.;
2739            let right = bounds.right();
2740            let top = bounds.top();
2741
2742            cx.paint_quad(fill(
2743                Bounds::from_corners(
2744                    point(start_x, top),
2745                    point(
2746                        start_x + thickness,
2747                        if is_last {
2748                            start_y
2749                        } else {
2750                            bounds.bottom() + if overdraw { px(1.) } else { px(0.) }
2751                        },
2752                    ),
2753                ),
2754                color,
2755            ));
2756            cx.paint_quad(fill(
2757                Bounds::from_corners(point(start_x, start_y), point(right, start_y + thickness)),
2758                color,
2759            ));
2760        },
2761    )
2762    .w(width)
2763    .h(line_height)
2764}
2765
2766impl Render for CollabPanel {
2767    fn render(&mut self, cx: &mut ViewContext<Self>) -> impl IntoElement {
2768        v_flex()
2769            .key_context("CollabPanel")
2770            .on_action(cx.listener(CollabPanel::cancel))
2771            .on_action(cx.listener(CollabPanel::select_next))
2772            .on_action(cx.listener(CollabPanel::select_prev))
2773            .on_action(cx.listener(CollabPanel::confirm))
2774            .on_action(cx.listener(CollabPanel::insert_space))
2775            .on_action(cx.listener(CollabPanel::remove_selected_channel))
2776            .on_action(cx.listener(CollabPanel::show_inline_context_menu))
2777            .on_action(cx.listener(CollabPanel::rename_selected_channel))
2778            .on_action(cx.listener(CollabPanel::collapse_selected_channel))
2779            .on_action(cx.listener(CollabPanel::expand_selected_channel))
2780            .on_action(cx.listener(CollabPanel::start_move_selected_channel))
2781            .track_focus(&self.focus_handle)
2782            .size_full()
2783            .child(if self.user_store.read(cx).current_user().is_none() {
2784                self.render_signed_out(cx)
2785            } else {
2786                self.render_signed_in(cx)
2787            })
2788            .children(self.context_menu.as_ref().map(|(menu, position, _)| {
2789                deferred(
2790                    anchored()
2791                        .position(*position)
2792                        .anchor(gpui::AnchorCorner::TopLeft)
2793                        .child(menu.clone()),
2794                )
2795                .with_priority(1)
2796            }))
2797    }
2798}
2799
2800impl EventEmitter<PanelEvent> for CollabPanel {}
2801
2802impl Panel for CollabPanel {
2803    fn position(&self, cx: &gpui::WindowContext) -> DockPosition {
2804        CollaborationPanelSettings::get_global(cx).dock
2805    }
2806
2807    fn position_is_valid(&self, position: DockPosition) -> bool {
2808        matches!(position, DockPosition::Left | DockPosition::Right)
2809    }
2810
2811    fn set_position(&mut self, position: DockPosition, cx: &mut ViewContext<Self>) {
2812        settings::update_settings_file::<CollaborationPanelSettings>(
2813            self.fs.clone(),
2814            cx,
2815            move |settings| settings.dock = Some(position),
2816        );
2817    }
2818
2819    fn size(&self, cx: &gpui::WindowContext) -> Pixels {
2820        self.width
2821            .unwrap_or_else(|| CollaborationPanelSettings::get_global(cx).default_width)
2822    }
2823
2824    fn set_size(&mut self, size: Option<Pixels>, cx: &mut ViewContext<Self>) {
2825        self.width = size;
2826        self.serialize(cx);
2827        cx.notify();
2828    }
2829
2830    fn icon(&self, cx: &gpui::WindowContext) -> Option<ui::IconName> {
2831        CollaborationPanelSettings::get_global(cx)
2832            .button
2833            .then(|| ui::IconName::Collab)
2834    }
2835
2836    fn icon_tooltip(&self, _cx: &WindowContext) -> Option<&'static str> {
2837        Some("Collab Panel")
2838    }
2839
2840    fn toggle_action(&self) -> Box<dyn gpui::Action> {
2841        Box::new(ToggleFocus)
2842    }
2843
2844    fn persistent_name() -> &'static str {
2845        "CollabPanel"
2846    }
2847}
2848
2849impl FocusableView for CollabPanel {
2850    fn focus_handle(&self, cx: &AppContext) -> gpui::FocusHandle {
2851        self.filter_editor.focus_handle(cx).clone()
2852    }
2853}
2854
2855impl PartialEq for ListEntry {
2856    fn eq(&self, other: &Self) -> bool {
2857        match self {
2858            ListEntry::Header(section_1) => {
2859                if let ListEntry::Header(section_2) = other {
2860                    return section_1 == section_2;
2861                }
2862            }
2863            ListEntry::CallParticipant { user: user_1, .. } => {
2864                if let ListEntry::CallParticipant { user: user_2, .. } = other {
2865                    return user_1.id == user_2.id;
2866                }
2867            }
2868            ListEntry::ParticipantProject {
2869                project_id: project_id_1,
2870                ..
2871            } => {
2872                if let ListEntry::ParticipantProject {
2873                    project_id: project_id_2,
2874                    ..
2875                } = other
2876                {
2877                    return project_id_1 == project_id_2;
2878                }
2879            }
2880            ListEntry::ParticipantScreen {
2881                peer_id: peer_id_1, ..
2882            } => {
2883                if let ListEntry::ParticipantScreen {
2884                    peer_id: peer_id_2, ..
2885                } = other
2886                {
2887                    return peer_id_1 == peer_id_2;
2888                }
2889            }
2890            ListEntry::Channel {
2891                channel: channel_1, ..
2892            } => {
2893                if let ListEntry::Channel {
2894                    channel: channel_2, ..
2895                } = other
2896                {
2897                    return channel_1.id == channel_2.id;
2898                }
2899            }
2900            ListEntry::HostedProject { id, .. } => {
2901                if let ListEntry::HostedProject { id: other_id, .. } = other {
2902                    return id == other_id;
2903                }
2904            }
2905            ListEntry::ChannelNotes { channel_id } => {
2906                if let ListEntry::ChannelNotes {
2907                    channel_id: other_id,
2908                } = other
2909                {
2910                    return channel_id == other_id;
2911                }
2912            }
2913            ListEntry::ChannelChat { channel_id } => {
2914                if let ListEntry::ChannelChat {
2915                    channel_id: other_id,
2916                } = other
2917                {
2918                    return channel_id == other_id;
2919                }
2920            }
2921            ListEntry::ChannelInvite(channel_1) => {
2922                if let ListEntry::ChannelInvite(channel_2) = other {
2923                    return channel_1.id == channel_2.id;
2924                }
2925            }
2926            ListEntry::IncomingRequest(user_1) => {
2927                if let ListEntry::IncomingRequest(user_2) = other {
2928                    return user_1.id == user_2.id;
2929                }
2930            }
2931            ListEntry::OutgoingRequest(user_1) => {
2932                if let ListEntry::OutgoingRequest(user_2) = other {
2933                    return user_1.id == user_2.id;
2934                }
2935            }
2936            ListEntry::Contact {
2937                contact: contact_1, ..
2938            } => {
2939                if let ListEntry::Contact {
2940                    contact: contact_2, ..
2941                } = other
2942                {
2943                    return contact_1.user.id == contact_2.user.id;
2944                }
2945            }
2946            ListEntry::ChannelEditor { depth } => {
2947                if let ListEntry::ChannelEditor { depth: other_depth } = other {
2948                    return depth == other_depth;
2949                }
2950            }
2951            ListEntry::ContactPlaceholder => {
2952                if let ListEntry::ContactPlaceholder = other {
2953                    return true;
2954                }
2955            }
2956        }
2957        false
2958    }
2959}
2960
2961struct DraggedChannelView {
2962    channel: Channel,
2963    width: Pixels,
2964}
2965
2966impl Render for DraggedChannelView {
2967    fn render(&mut self, cx: &mut ViewContext<Self>) -> impl IntoElement {
2968        let ui_font = ThemeSettings::get_global(cx).ui_font.family.clone();
2969        h_flex()
2970            .font_family(ui_font)
2971            .bg(cx.theme().colors().background)
2972            .w(self.width)
2973            .p_1()
2974            .gap_1()
2975            .child(
2976                Icon::new(
2977                    if self.channel.visibility == proto::ChannelVisibility::Public {
2978                        IconName::Public
2979                    } else {
2980                        IconName::Hash
2981                    },
2982                )
2983                .size(IconSize::Small)
2984                .color(Color::Muted),
2985            )
2986            .child(Label::new(self.channel.name.clone()))
2987    }
2988}
2989
2990struct JoinChannelTooltip {
2991    channel_store: Model<ChannelStore>,
2992    channel_id: ChannelId,
2993    #[allow(unused)]
2994    has_notes_notification: bool,
2995}
2996
2997impl Render for JoinChannelTooltip {
2998    fn render(&mut self, cx: &mut ViewContext<Self>) -> impl IntoElement {
2999        tooltip_container(cx, |container, cx| {
3000            let participants = self
3001                .channel_store
3002                .read(cx)
3003                .channel_participants(self.channel_id);
3004
3005            container
3006                .child(Label::new("Join channel"))
3007                .children(participants.iter().map(|participant| {
3008                    h_flex()
3009                        .gap_2()
3010                        .child(Avatar::new(participant.avatar_uri.clone()))
3011                        .child(Label::new(participant.github_login.clone()))
3012                }))
3013        })
3014    }
3015}