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, HostedProjectId, User, UserStore};
  12use contact_finder::ContactFinder;
  13use db::kvp::KEY_VALUE_STORE;
  14use editor::{Editor, EditorElement, EditorStyle};
  15use fuzzy::{match_strings, StringMatchCandidate};
  16use gpui::{
  17    actions, canvas, div, fill, list, overlay, point, prelude::*, px, AnyElement, AppContext,
  18    AsyncWindowContext, Bounds, ClickEvent, ClipboardItem, DismissEvent, Div, EventEmitter,
  19    FocusHandle, FocusableView, FontStyle, FontWeight, InteractiveElement, IntoElement, ListOffset,
  20    ListState, Model, MouseDownEvent, ParentElement, Pixels, Point, PromptLevel, Render,
  21    SharedString, Styled, Subscription, Task, TextStyle, View, ViewContext, VisualContext,
  22    WeakView, WhiteSpace,
  23};
  24use menu::{Cancel, Confirm, SecondaryConfirm, SelectNext, SelectPrev};
  25use project::{Fs, Project};
  26use rpc::{
  27    proto::{self, ChannelVisibility, PeerId},
  28    ErrorCode, ErrorExt,
  29};
  30use serde_derive::{Deserialize, Serialize};
  31use settings::Settings;
  32use smallvec::SmallVec;
  33use std::{mem, sync::Arc};
  34use theme::{ActiveTheme, ThemeSettings};
  35use ui::{
  36    prelude::*, tooltip_container, Avatar, AvatarAvailabilityIndicator, Button, Color, ContextMenu,
  37    Icon, IconButton, IconName, IconSize, Indicator, Label, ListHeader, ListItem, Tooltip,
  38};
  39use util::{maybe, ResultExt, TryFutureExt};
  40use workspace::{
  41    dock::{DockPosition, Panel, PanelEvent},
  42    notifications::{DetachAndPromptErr, NotifyResultExt, NotifyTaskExt},
  43    OpenChannelNotes, Workspace,
  44};
  45
  46actions!(
  47    collab_panel,
  48    [
  49        ToggleFocus,
  50        Remove,
  51        Secondary,
  52        CollapseSelectedChannel,
  53        ExpandSelectedChannel,
  54        StartMoveChannel,
  55        MoveSelected,
  56        InsertSpace,
  57    ]
  58);
  59
  60#[derive(Debug, Copy, Clone, PartialEq, Eq)]
  61struct ChannelMoveClipboard {
  62    channel_id: ChannelId,
  63}
  64
  65const COLLABORATION_PANEL_KEY: &str = "CollaborationPanel";
  66
  67pub fn init(cx: &mut AppContext) {
  68    cx.observe_new_views(|workspace: &mut Workspace, _| {
  69        workspace.register_action(|workspace, _: &ToggleFocus, cx| {
  70            workspace.toggle_panel_focus::<CollabPanel>(cx);
  71        });
  72        workspace.register_action(|_, _: &OpenChannelNotes, cx| {
  73            let channel_id = ActiveCall::global(cx)
  74                .read(cx)
  75                .room()
  76                .and_then(|room| room.read(cx).channel_id());
  77
  78            if let Some(channel_id) = channel_id {
  79                let workspace = cx.view().clone();
  80                cx.window_context().defer(move |cx| {
  81                    ChannelView::open(channel_id, None, workspace, cx).detach_and_log_err(cx)
  82                });
  83            }
  84        });
  85    })
  86    .detach();
  87}
  88
  89#[derive(Debug)]
  90pub enum ChannelEditingState {
  91    Create {
  92        location: Option<ChannelId>,
  93        pending_name: Option<String>,
  94    },
  95    Rename {
  96        location: ChannelId,
  97        pending_name: Option<String>,
  98    },
  99}
 100
 101impl ChannelEditingState {
 102    fn pending_name(&self) -> Option<String> {
 103        match self {
 104            ChannelEditingState::Create { pending_name, .. } => pending_name.clone(),
 105            ChannelEditingState::Rename { pending_name, .. } => pending_name.clone(),
 106        }
 107    }
 108}
 109
 110pub struct CollabPanel {
 111    width: Option<Pixels>,
 112    fs: Arc<dyn Fs>,
 113    focus_handle: FocusHandle,
 114    channel_clipboard: Option<ChannelMoveClipboard>,
 115    pending_serialization: Task<Option<()>>,
 116    context_menu: Option<(View<ContextMenu>, Point<Pixels>, Subscription)>,
 117    list_state: ListState,
 118    filter_editor: View<Editor>,
 119    channel_name_editor: View<Editor>,
 120    channel_editing_state: Option<ChannelEditingState>,
 121    entries: Vec<ListEntry>,
 122    selection: Option<usize>,
 123    channel_store: Model<ChannelStore>,
 124    user_store: Model<UserStore>,
 125    client: Arc<Client>,
 126    project: Model<Project>,
 127    match_candidates: Vec<StringMatchCandidate>,
 128    subscriptions: Vec<Subscription>,
 129    collapsed_sections: Vec<Section>,
 130    collapsed_channels: Vec<ChannelId>,
 131    workspace: WeakView<Workspace>,
 132}
 133
 134#[derive(Serialize, Deserialize)]
 135struct SerializedCollabPanel {
 136    width: Option<Pixels>,
 137    collapsed_channels: Option<Vec<u64>>,
 138}
 139
 140#[derive(Clone, Copy, PartialEq, Eq, Debug, PartialOrd, Ord)]
 141enum Section {
 142    ActiveCall,
 143    Channels,
 144    ChannelInvites,
 145    ContactRequests,
 146    Contacts,
 147    Online,
 148    Offline,
 149}
 150
 151#[derive(Clone, Debug)]
 152enum ListEntry {
 153    Header(Section),
 154    CallParticipant {
 155        user: Arc<User>,
 156        peer_id: Option<PeerId>,
 157        is_pending: bool,
 158        role: proto::ChannelRole,
 159    },
 160    ParticipantProject {
 161        project_id: u64,
 162        worktree_root_names: Vec<String>,
 163        host_user_id: u64,
 164        is_last: bool,
 165    },
 166    ParticipantScreen {
 167        peer_id: Option<PeerId>,
 168        is_last: bool,
 169    },
 170    IncomingRequest(Arc<User>),
 171    OutgoingRequest(Arc<User>),
 172    ChannelInvite(Arc<Channel>),
 173    Channel {
 174        channel: Arc<Channel>,
 175        depth: usize,
 176        has_children: bool,
 177    },
 178    ChannelNotes {
 179        channel_id: ChannelId,
 180    },
 181    ChannelChat {
 182        channel_id: ChannelId,
 183    },
 184    ChannelEditor {
 185        depth: usize,
 186    },
 187    HostedProject {
 188        id: HostedProjectId,
 189        name: SharedString,
 190    },
 191    Contact {
 192        contact: Arc<Contact>,
 193        calling: bool,
 194    },
 195    ContactPlaceholder,
 196}
 197
 198impl CollabPanel {
 199    pub fn new(workspace: &mut Workspace, cx: &mut ViewContext<Workspace>) -> View<Self> {
 200        cx.new_view(|cx| {
 201            let filter_editor = cx.new_view(|cx| {
 202                let mut editor = Editor::single_line(cx);
 203                editor.set_placeholder_text("Filter...", cx);
 204                editor
 205            });
 206
 207            cx.subscribe(&filter_editor, |this: &mut Self, _, event, cx| {
 208                if let editor::EditorEvent::BufferEdited = event {
 209                    let query = this.filter_editor.read(cx).text(cx);
 210                    if !query.is_empty() {
 211                        this.selection.take();
 212                    }
 213                    this.update_entries(true, cx);
 214                    if !query.is_empty() {
 215                        this.selection = this
 216                            .entries
 217                            .iter()
 218                            .position(|entry| !matches!(entry, ListEntry::Header(_)));
 219                    }
 220                }
 221            })
 222            .detach();
 223
 224            let channel_name_editor = cx.new_view(|cx| Editor::single_line(cx));
 225
 226            cx.subscribe(&channel_name_editor, |this: &mut Self, _, event, cx| {
 227                if let editor::EditorEvent::Blurred = event {
 228                    if let Some(state) = &this.channel_editing_state {
 229                        if state.pending_name().is_some() {
 230                            return;
 231                        }
 232                    }
 233                    this.take_editing_state(cx);
 234                    this.update_entries(false, cx);
 235                    cx.notify();
 236                }
 237            })
 238            .detach();
 239
 240            let view = cx.view().downgrade();
 241            let list_state =
 242                ListState::new(0, gpui::ListAlignment::Top, px(1000.), move |ix, cx| {
 243                    if let Some(view) = view.upgrade() {
 244                        view.update(cx, |view, cx| view.render_list_entry(ix, cx))
 245                    } else {
 246                        div().into_any()
 247                    }
 248                });
 249
 250            let mut this = Self {
 251                width: None,
 252                focus_handle: cx.focus_handle(),
 253                channel_clipboard: None,
 254                fs: workspace.app_state().fs.clone(),
 255                pending_serialization: Task::ready(None),
 256                context_menu: None,
 257                list_state,
 258                channel_name_editor,
 259                filter_editor,
 260                entries: Vec::default(),
 261                channel_editing_state: None,
 262                selection: None,
 263                channel_store: ChannelStore::global(cx),
 264                user_store: workspace.user_store().clone(),
 265                project: workspace.project().clone(),
 266                subscriptions: Vec::default(),
 267                match_candidates: Vec::default(),
 268                collapsed_sections: vec![Section::Offline],
 269                collapsed_channels: Vec::default(),
 270                workspace: workspace.weak_handle(),
 271                client: workspace.app_state().client.clone(),
 272            };
 273
 274            this.update_entries(false, cx);
 275
 276            let active_call = ActiveCall::global(cx);
 277            this.subscriptions
 278                .push(cx.observe(&this.user_store, |this, _, cx| {
 279                    this.update_entries(true, cx)
 280                }));
 281            this.subscriptions
 282                .push(cx.observe(&this.channel_store, |this, _, cx| {
 283                    this.update_entries(true, cx)
 284                }));
 285            this.subscriptions
 286                .push(cx.observe(&active_call, |this, _, cx| this.update_entries(true, cx)));
 287            this.subscriptions.push(cx.subscribe(
 288                &this.channel_store,
 289                |this, _channel_store, e, cx| match e {
 290                    ChannelEvent::ChannelCreated(channel_id)
 291                    | ChannelEvent::ChannelRenamed(channel_id) => {
 292                        if this.take_editing_state(cx) {
 293                            this.update_entries(false, cx);
 294                            this.selection = this.entries.iter().position(|entry| {
 295                                if let ListEntry::Channel { channel, .. } = entry {
 296                                    channel.id == *channel_id
 297                                } else {
 298                                    false
 299                                }
 300                            });
 301                        }
 302                    }
 303                },
 304            ));
 305
 306            this
 307        })
 308    }
 309
 310    pub async fn load(
 311        workspace: WeakView<Workspace>,
 312        mut cx: AsyncWindowContext,
 313    ) -> anyhow::Result<View<Self>> {
 314        let serialized_panel = cx
 315            .background_executor()
 316            .spawn(async move { KEY_VALUE_STORE.read_kvp(COLLABORATION_PANEL_KEY) })
 317            .await
 318            .map_err(|_| anyhow::anyhow!("Failed to read collaboration panel from key value store"))
 319            .log_err()
 320            .flatten()
 321            .map(|panel| serde_json::from_str::<SerializedCollabPanel>(&panel))
 322            .transpose()
 323            .log_err()
 324            .flatten();
 325
 326        workspace.update(&mut cx, |workspace, cx| {
 327            let panel = CollabPanel::new(workspace, cx);
 328            if let Some(serialized_panel) = serialized_panel {
 329                panel.update(cx, |panel, cx| {
 330                    panel.width = serialized_panel.width.map(|w| w.round());
 331                    panel.collapsed_channels = serialized_panel
 332                        .collapsed_channels
 333                        .unwrap_or_else(|| Vec::new())
 334                        .iter()
 335                        .map(|cid| ChannelId(*cid))
 336                        .collect();
 337                    cx.notify();
 338                });
 339            }
 340            panel
 341        })
 342    }
 343
 344    fn serialize(&mut self, cx: &mut ViewContext<Self>) {
 345        let width = self.width;
 346        let collapsed_channels = self.collapsed_channels.clone();
 347        self.pending_serialization = cx.background_executor().spawn(
 348            async move {
 349                KEY_VALUE_STORE
 350                    .write_kvp(
 351                        COLLABORATION_PANEL_KEY.into(),
 352                        serde_json::to_string(&SerializedCollabPanel {
 353                            width,
 354                            collapsed_channels: Some(
 355                                collapsed_channels.iter().map(|cid| cid.0).collect(),
 356                            ),
 357                        })?,
 358                    )
 359                    .await?;
 360                anyhow::Ok(())
 361            }
 362            .log_err(),
 363        );
 364    }
 365
 366    fn scroll_to_item(&mut self, ix: usize) {
 367        self.list_state.scroll_to_reveal_item(ix)
 368    }
 369
 370    fn update_entries(&mut self, select_same_item: bool, cx: &mut ViewContext<Self>) {
 371        let channel_store = self.channel_store.read(cx);
 372        let user_store = self.user_store.read(cx);
 373        let query = self.filter_editor.read(cx).text(cx);
 374        let executor = cx.background_executor().clone();
 375
 376        let prev_selected_entry = self.selection.and_then(|ix| self.entries.get(ix).cloned());
 377        let old_entries = mem::take(&mut self.entries);
 378        let mut scroll_to_top = false;
 379
 380        if let Some(room) = ActiveCall::global(cx).read(cx).room() {
 381            self.entries.push(ListEntry::Header(Section::ActiveCall));
 382            if !old_entries
 383                .iter()
 384                .any(|entry| matches!(entry, ListEntry::Header(Section::ActiveCall)))
 385            {
 386                scroll_to_top = true;
 387            }
 388
 389            if !self.collapsed_sections.contains(&Section::ActiveCall) {
 390                let room = room.read(cx);
 391
 392                if query.is_empty() {
 393                    if let Some(channel_id) = room.channel_id() {
 394                        self.entries.push(ListEntry::ChannelNotes { channel_id });
 395                        self.entries.push(ListEntry::ChannelChat { channel_id });
 396                    }
 397                }
 398
 399                // Populate the active user.
 400                if let Some(user) = user_store.current_user() {
 401                    self.match_candidates.clear();
 402                    self.match_candidates.push(StringMatchCandidate {
 403                        id: 0,
 404                        string: user.github_login.clone(),
 405                        char_bag: user.github_login.chars().collect(),
 406                    });
 407                    let matches = executor.block(match_strings(
 408                        &self.match_candidates,
 409                        &query,
 410                        true,
 411                        usize::MAX,
 412                        &Default::default(),
 413                        executor.clone(),
 414                    ));
 415                    if !matches.is_empty() {
 416                        let user_id = user.id;
 417                        self.entries.push(ListEntry::CallParticipant {
 418                            user,
 419                            peer_id: None,
 420                            is_pending: false,
 421                            role: room.local_participant().role,
 422                        });
 423                        let mut projects = room.local_participant().projects.iter().peekable();
 424                        while let Some(project) = projects.next() {
 425                            self.entries.push(ListEntry::ParticipantProject {
 426                                project_id: project.id,
 427                                worktree_root_names: project.worktree_root_names.clone(),
 428                                host_user_id: user_id,
 429                                is_last: projects.peek().is_none() && !room.is_screen_sharing(),
 430                            });
 431                        }
 432                        if room.is_screen_sharing() {
 433                            self.entries.push(ListEntry::ParticipantScreen {
 434                                peer_id: None,
 435                                is_last: true,
 436                            });
 437                        }
 438                    }
 439                }
 440
 441                // Populate remote participants.
 442                self.match_candidates.clear();
 443                self.match_candidates
 444                    .extend(room.remote_participants().values().map(|participant| {
 445                        StringMatchCandidate {
 446                            id: participant.user.id as usize,
 447                            string: participant.user.github_login.clone(),
 448                            char_bag: participant.user.github_login.chars().collect(),
 449                        }
 450                    }));
 451                let mut matches = executor.block(match_strings(
 452                    &self.match_candidates,
 453                    &query,
 454                    true,
 455                    usize::MAX,
 456                    &Default::default(),
 457                    executor.clone(),
 458                ));
 459                matches.sort_by(|a, b| {
 460                    let a_is_guest = room.role_for_user(a.candidate_id as u64)
 461                        == Some(proto::ChannelRole::Guest);
 462                    let b_is_guest = room.role_for_user(b.candidate_id as u64)
 463                        == Some(proto::ChannelRole::Guest);
 464                    a_is_guest
 465                        .cmp(&b_is_guest)
 466                        .then_with(|| a.string.cmp(&b.string))
 467                });
 468                for mat in matches {
 469                    let user_id = mat.candidate_id as u64;
 470                    let participant = &room.remote_participants()[&user_id];
 471                    self.entries.push(ListEntry::CallParticipant {
 472                        user: participant.user.clone(),
 473                        peer_id: Some(participant.peer_id),
 474                        is_pending: false,
 475                        role: participant.role,
 476                    });
 477                    let mut projects = participant.projects.iter().peekable();
 478                    while let Some(project) = projects.next() {
 479                        self.entries.push(ListEntry::ParticipantProject {
 480                            project_id: project.id,
 481                            worktree_root_names: project.worktree_root_names.clone(),
 482                            host_user_id: participant.user.id,
 483                            is_last: projects.peek().is_none()
 484                                && participant.video_tracks.is_empty(),
 485                        });
 486                    }
 487                    if !participant.video_tracks.is_empty() {
 488                        self.entries.push(ListEntry::ParticipantScreen {
 489                            peer_id: Some(participant.peer_id),
 490                            is_last: true,
 491                        });
 492                    }
 493                }
 494
 495                // Populate pending participants.
 496                self.match_candidates.clear();
 497                self.match_candidates
 498                    .extend(room.pending_participants().iter().enumerate().map(
 499                        |(id, participant)| StringMatchCandidate {
 500                            id,
 501                            string: participant.github_login.clone(),
 502                            char_bag: participant.github_login.chars().collect(),
 503                        },
 504                    ));
 505                let matches = executor.block(match_strings(
 506                    &self.match_candidates,
 507                    &query,
 508                    true,
 509                    usize::MAX,
 510                    &Default::default(),
 511                    executor.clone(),
 512                ));
 513                self.entries
 514                    .extend(matches.iter().map(|mat| ListEntry::CallParticipant {
 515                        user: room.pending_participants()[mat.candidate_id].clone(),
 516                        peer_id: None,
 517                        is_pending: true,
 518                        role: proto::ChannelRole::Member,
 519                    }));
 520            }
 521        }
 522
 523        let mut request_entries = Vec::new();
 524
 525        self.entries.push(ListEntry::Header(Section::Channels));
 526
 527        if channel_store.channel_count() > 0 || self.channel_editing_state.is_some() {
 528            self.match_candidates.clear();
 529            self.match_candidates
 530                .extend(
 531                    channel_store
 532                        .ordered_channels()
 533                        .enumerate()
 534                        .map(|(ix, (_, channel))| StringMatchCandidate {
 535                            id: ix,
 536                            string: channel.name.clone().into(),
 537                            char_bag: channel.name.chars().collect(),
 538                        }),
 539                );
 540            let matches = executor.block(match_strings(
 541                &self.match_candidates,
 542                &query,
 543                true,
 544                usize::MAX,
 545                &Default::default(),
 546                executor.clone(),
 547            ));
 548            if let Some(state) = &self.channel_editing_state {
 549                if matches!(state, ChannelEditingState::Create { location: None, .. }) {
 550                    self.entries.push(ListEntry::ChannelEditor { depth: 0 });
 551                }
 552            }
 553            let mut collapse_depth = None;
 554            for mat in matches {
 555                let channel = channel_store.channel_at_index(mat.candidate_id).unwrap();
 556                let depth = channel.parent_path.len();
 557
 558                if collapse_depth.is_none() && self.is_channel_collapsed(channel.id) {
 559                    collapse_depth = Some(depth);
 560                } else if let Some(collapsed_depth) = collapse_depth {
 561                    if depth > collapsed_depth {
 562                        continue;
 563                    }
 564                    if self.is_channel_collapsed(channel.id) {
 565                        collapse_depth = Some(depth);
 566                    } else {
 567                        collapse_depth = None;
 568                    }
 569                }
 570
 571                let hosted_projects = channel_store.projects_for_id(channel.id);
 572                let has_children = channel_store
 573                    .channel_at_index(mat.candidate_id + 1)
 574                    .map_or(false, |next_channel| {
 575                        next_channel.parent_path.ends_with(&[channel.id])
 576                    });
 577
 578                match &self.channel_editing_state {
 579                    Some(ChannelEditingState::Create {
 580                        location: parent_id,
 581                        ..
 582                    }) if *parent_id == Some(channel.id) => {
 583                        self.entries.push(ListEntry::Channel {
 584                            channel: channel.clone(),
 585                            depth,
 586                            has_children: false,
 587                        });
 588                        self.entries
 589                            .push(ListEntry::ChannelEditor { depth: depth + 1 });
 590                    }
 591                    Some(ChannelEditingState::Rename {
 592                        location: parent_id,
 593                        ..
 594                    }) if parent_id == &channel.id => {
 595                        self.entries.push(ListEntry::ChannelEditor { depth });
 596                    }
 597                    _ => {
 598                        self.entries.push(ListEntry::Channel {
 599                            channel: channel.clone(),
 600                            depth,
 601                            has_children,
 602                        });
 603                    }
 604                }
 605
 606                for (name, id) in hosted_projects {
 607                    self.entries.push(ListEntry::HostedProject { id, name })
 608                }
 609            }
 610        }
 611
 612        let channel_invites = channel_store.channel_invitations();
 613        if !channel_invites.is_empty() {
 614            self.match_candidates.clear();
 615            self.match_candidates
 616                .extend(channel_invites.iter().enumerate().map(|(ix, channel)| {
 617                    StringMatchCandidate {
 618                        id: ix,
 619                        string: channel.name.clone().into(),
 620                        char_bag: channel.name.chars().collect(),
 621                    }
 622                }));
 623            let matches = executor.block(match_strings(
 624                &self.match_candidates,
 625                &query,
 626                true,
 627                usize::MAX,
 628                &Default::default(),
 629                executor.clone(),
 630            ));
 631            request_entries.extend(
 632                matches
 633                    .iter()
 634                    .map(|mat| ListEntry::ChannelInvite(channel_invites[mat.candidate_id].clone())),
 635            );
 636
 637            if !request_entries.is_empty() {
 638                self.entries
 639                    .push(ListEntry::Header(Section::ChannelInvites));
 640                if !self.collapsed_sections.contains(&Section::ChannelInvites) {
 641                    self.entries.append(&mut request_entries);
 642                }
 643            }
 644        }
 645
 646        self.entries.push(ListEntry::Header(Section::Contacts));
 647
 648        request_entries.clear();
 649        let incoming = user_store.incoming_contact_requests();
 650        if !incoming.is_empty() {
 651            self.match_candidates.clear();
 652            self.match_candidates
 653                .extend(
 654                    incoming
 655                        .iter()
 656                        .enumerate()
 657                        .map(|(ix, user)| StringMatchCandidate {
 658                            id: ix,
 659                            string: user.github_login.clone(),
 660                            char_bag: user.github_login.chars().collect(),
 661                        }),
 662                );
 663            let matches = executor.block(match_strings(
 664                &self.match_candidates,
 665                &query,
 666                true,
 667                usize::MAX,
 668                &Default::default(),
 669                executor.clone(),
 670            ));
 671            request_entries.extend(
 672                matches
 673                    .iter()
 674                    .map(|mat| ListEntry::IncomingRequest(incoming[mat.candidate_id].clone())),
 675            );
 676        }
 677
 678        let outgoing = user_store.outgoing_contact_requests();
 679        if !outgoing.is_empty() {
 680            self.match_candidates.clear();
 681            self.match_candidates
 682                .extend(
 683                    outgoing
 684                        .iter()
 685                        .enumerate()
 686                        .map(|(ix, user)| StringMatchCandidate {
 687                            id: ix,
 688                            string: user.github_login.clone(),
 689                            char_bag: user.github_login.chars().collect(),
 690                        }),
 691                );
 692            let matches = executor.block(match_strings(
 693                &self.match_candidates,
 694                &query,
 695                true,
 696                usize::MAX,
 697                &Default::default(),
 698                executor.clone(),
 699            ));
 700            request_entries.extend(
 701                matches
 702                    .iter()
 703                    .map(|mat| ListEntry::OutgoingRequest(outgoing[mat.candidate_id].clone())),
 704            );
 705        }
 706
 707        if !request_entries.is_empty() {
 708            self.entries
 709                .push(ListEntry::Header(Section::ContactRequests));
 710            if !self.collapsed_sections.contains(&Section::ContactRequests) {
 711                self.entries.append(&mut request_entries);
 712            }
 713        }
 714
 715        let contacts = user_store.contacts();
 716        if !contacts.is_empty() {
 717            self.match_candidates.clear();
 718            self.match_candidates
 719                .extend(
 720                    contacts
 721                        .iter()
 722                        .enumerate()
 723                        .map(|(ix, contact)| StringMatchCandidate {
 724                            id: ix,
 725                            string: contact.user.github_login.clone(),
 726                            char_bag: contact.user.github_login.chars().collect(),
 727                        }),
 728                );
 729
 730            let matches = executor.block(match_strings(
 731                &self.match_candidates,
 732                &query,
 733                true,
 734                usize::MAX,
 735                &Default::default(),
 736                executor.clone(),
 737            ));
 738
 739            let (online_contacts, offline_contacts) = matches
 740                .iter()
 741                .partition::<Vec<_>, _>(|mat| contacts[mat.candidate_id].online);
 742
 743            for (matches, section) in [
 744                (online_contacts, Section::Online),
 745                (offline_contacts, Section::Offline),
 746            ] {
 747                if !matches.is_empty() {
 748                    self.entries.push(ListEntry::Header(section));
 749                    if !self.collapsed_sections.contains(&section) {
 750                        let active_call = &ActiveCall::global(cx).read(cx);
 751                        for mat in matches {
 752                            let contact = &contacts[mat.candidate_id];
 753                            self.entries.push(ListEntry::Contact {
 754                                contact: contact.clone(),
 755                                calling: active_call.pending_invites().contains(&contact.user.id),
 756                            });
 757                        }
 758                    }
 759                }
 760            }
 761        }
 762
 763        if incoming.is_empty() && outgoing.is_empty() && contacts.is_empty() {
 764            self.entries.push(ListEntry::ContactPlaceholder);
 765        }
 766
 767        if select_same_item {
 768            if let Some(prev_selected_entry) = prev_selected_entry {
 769                self.selection.take();
 770                for (ix, entry) in self.entries.iter().enumerate() {
 771                    if *entry == prev_selected_entry {
 772                        self.selection = Some(ix);
 773                        break;
 774                    }
 775                }
 776            }
 777        } else {
 778            self.selection = self.selection.and_then(|prev_selection| {
 779                if self.entries.is_empty() {
 780                    None
 781                } else {
 782                    Some(prev_selection.min(self.entries.len() - 1))
 783                }
 784            });
 785        }
 786
 787        let old_scroll_top = self.list_state.logical_scroll_top();
 788        self.list_state.reset(self.entries.len());
 789
 790        if scroll_to_top {
 791            self.list_state.scroll_to(ListOffset::default());
 792        } else {
 793            // Attempt to maintain the same scroll position.
 794            if let Some(old_top_entry) = old_entries.get(old_scroll_top.item_ix) {
 795                let new_scroll_top = self
 796                    .entries
 797                    .iter()
 798                    .position(|entry| entry == old_top_entry)
 799                    .map(|item_ix| ListOffset {
 800                        item_ix,
 801                        offset_in_item: old_scroll_top.offset_in_item,
 802                    })
 803                    .or_else(|| {
 804                        let entry_after_old_top = old_entries.get(old_scroll_top.item_ix + 1)?;
 805                        let item_ix = self
 806                            .entries
 807                            .iter()
 808                            .position(|entry| entry == entry_after_old_top)?;
 809                        Some(ListOffset {
 810                            item_ix,
 811                            offset_in_item: Pixels::ZERO,
 812                        })
 813                    })
 814                    .or_else(|| {
 815                        let entry_before_old_top =
 816                            old_entries.get(old_scroll_top.item_ix.saturating_sub(1))?;
 817                        let item_ix = self
 818                            .entries
 819                            .iter()
 820                            .position(|entry| entry == entry_before_old_top)?;
 821                        Some(ListOffset {
 822                            item_ix,
 823                            offset_in_item: Pixels::ZERO,
 824                        })
 825                    });
 826
 827                self.list_state
 828                    .scroll_to(new_scroll_top.unwrap_or(old_scroll_top));
 829            }
 830        }
 831
 832        cx.notify();
 833    }
 834
 835    fn render_call_participant(
 836        &self,
 837        user: &Arc<User>,
 838        peer_id: Option<PeerId>,
 839        is_pending: bool,
 840        role: proto::ChannelRole,
 841        is_selected: bool,
 842        cx: &mut ViewContext<Self>,
 843    ) -> ListItem {
 844        let user_id = user.id;
 845        let is_current_user =
 846            self.user_store.read(cx).current_user().map(|user| user.id) == Some(user_id);
 847        let tooltip = format!("Follow {}", user.github_login);
 848
 849        let is_call_admin = ActiveCall::global(cx).read(cx).room().is_some_and(|room| {
 850            room.read(cx).local_participant().role == proto::ChannelRole::Admin
 851        });
 852
 853        ListItem::new(SharedString::from(user.github_login.clone()))
 854            .start_slot(Avatar::new(user.avatar_uri.clone()))
 855            .child(Label::new(user.github_login.clone()))
 856            .selected(is_selected)
 857            .end_slot(if is_pending {
 858                Label::new("Calling").color(Color::Muted).into_any_element()
 859            } else if is_current_user {
 860                IconButton::new("leave-call", IconName::Exit)
 861                    .style(ButtonStyle::Subtle)
 862                    .on_click(move |_, cx| Self::leave_call(cx))
 863                    .tooltip(|cx| Tooltip::text("Leave Call", cx))
 864                    .into_any_element()
 865            } else if role == proto::ChannelRole::Guest {
 866                Label::new("Guest").color(Color::Muted).into_any_element()
 867            } else if role == proto::ChannelRole::Talker {
 868                Label::new("Mic only")
 869                    .color(Color::Muted)
 870                    .into_any_element()
 871            } else {
 872                div().into_any_element()
 873            })
 874            .when_some(peer_id, |el, peer_id| {
 875                if role == proto::ChannelRole::Guest {
 876                    return el;
 877                }
 878                el.tooltip(move |cx| Tooltip::text(tooltip.clone(), cx))
 879                    .on_click(cx.listener(move |this, _, cx| {
 880                        this.workspace
 881                            .update(cx, |workspace, cx| workspace.follow(peer_id, cx))
 882                            .ok();
 883                    }))
 884            })
 885            .when(is_call_admin, |el| {
 886                el.on_secondary_mouse_down(cx.listener(move |this, event: &MouseDownEvent, cx| {
 887                    this.deploy_participant_context_menu(event.position, user_id, role, cx)
 888                }))
 889            })
 890    }
 891
 892    fn render_participant_project(
 893        &self,
 894        project_id: u64,
 895        worktree_root_names: &[String],
 896        host_user_id: u64,
 897        is_last: bool,
 898        is_selected: bool,
 899        cx: &mut ViewContext<Self>,
 900    ) -> impl IntoElement {
 901        let project_name: SharedString = if worktree_root_names.is_empty() {
 902            "untitled".to_string()
 903        } else {
 904            worktree_root_names.join(", ")
 905        }
 906        .into();
 907
 908        ListItem::new(project_id as usize)
 909            .selected(is_selected)
 910            .on_click(cx.listener(move |this, _, cx| {
 911                this.workspace
 912                    .update(cx, |workspace, cx| {
 913                        let app_state = workspace.app_state().clone();
 914                        workspace::join_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                            .z_index(1)
 993                            .absolute()
 994                            .right(px(2.))
 995                            .top(px(2.))
 996                            .child(Indicator::dot().color(Color::Info))
 997                    })),
 998            )
 999            .child(Label::new("notes"))
1000            .tooltip(move |cx| Tooltip::text("Open Channel Notes", cx))
1001    }
1002
1003    fn render_channel_chat(
1004        &self,
1005        channel_id: ChannelId,
1006        is_selected: bool,
1007        cx: &mut ViewContext<Self>,
1008    ) -> impl IntoElement {
1009        let channel_store = self.channel_store.read(cx);
1010        let has_messages_notification = channel_store.has_new_messages(channel_id);
1011        ListItem::new("channel-chat")
1012            .selected(is_selected)
1013            .on_click(cx.listener(move |this, _, cx| {
1014                this.join_channel_chat(channel_id, cx);
1015            }))
1016            .start_slot(
1017                h_flex()
1018                    .relative()
1019                    .gap_1()
1020                    .child(render_tree_branch(false, false, cx))
1021                    .child(IconButton::new(0, IconName::MessageBubbles))
1022                    .children(has_messages_notification.then(|| {
1023                        div()
1024                            .w_1p5()
1025                            .z_index(1)
1026                            .absolute()
1027                            .right(px(2.))
1028                            .top(px(4.))
1029                            .child(Indicator::dot().color(Color::Info))
1030                    })),
1031            )
1032            .child(Label::new("chat"))
1033            .tooltip(move |cx| Tooltip::text("Open Chat", cx))
1034    }
1035
1036    fn render_channel_project(
1037        &self,
1038        id: HostedProjectId,
1039        name: &SharedString,
1040        is_selected: bool,
1041        cx: &mut ViewContext<Self>,
1042    ) -> impl IntoElement {
1043        ListItem::new(ElementId::NamedInteger(
1044            "channel-project".into(),
1045            id.0 as usize,
1046        ))
1047        .indent_level(2)
1048        .indent_step_size(px(20.))
1049        .selected(is_selected)
1050        .on_click(cx.listener(move |this, _, cx| {
1051            if let Some(workspace) = this.workspace.upgrade() {
1052                let app_state = workspace.read(cx).app_state().clone();
1053                workspace::join_hosted_project(id, app_state, cx).detach_and_prompt_err(
1054                    "Failed to open project",
1055                    cx,
1056                    |_, _| None,
1057                )
1058            }
1059        }))
1060        .start_slot(
1061            h_flex()
1062                .relative()
1063                .gap_1()
1064                .child(IconButton::new(0, IconName::FileTree)),
1065        )
1066        .child(Label::new(name.clone()))
1067        .tooltip(move |cx| Tooltip::text("Open Project", cx))
1068    }
1069
1070    fn has_subchannels(&self, ix: usize) -> bool {
1071        self.entries.get(ix).map_or(false, |entry| {
1072            if let ListEntry::Channel { has_children, .. } = entry {
1073                *has_children
1074            } else {
1075                false
1076            }
1077        })
1078    }
1079
1080    fn deploy_participant_context_menu(
1081        &mut self,
1082        position: Point<Pixels>,
1083        user_id: u64,
1084        role: proto::ChannelRole,
1085        cx: &mut ViewContext<Self>,
1086    ) {
1087        let this = cx.view().clone();
1088        if !(role == proto::ChannelRole::Guest
1089            || role == proto::ChannelRole::Talker
1090            || role == proto::ChannelRole::Member)
1091        {
1092            return;
1093        }
1094
1095        let context_menu = ContextMenu::build(cx, |mut context_menu, cx| {
1096            if role == proto::ChannelRole::Guest {
1097                context_menu = context_menu.entry(
1098                    "Grant Mic Access",
1099                    None,
1100                    cx.handler_for(&this, move |_, cx| {
1101                        ActiveCall::global(cx)
1102                            .update(cx, |call, cx| {
1103                                let Some(room) = call.room() else {
1104                                    return Task::ready(Ok(()));
1105                                };
1106                                room.update(cx, |room, cx| {
1107                                    room.set_participant_role(
1108                                        user_id,
1109                                        proto::ChannelRole::Talker,
1110                                        cx,
1111                                    )
1112                                })
1113                            })
1114                            .detach_and_prompt_err("Failed to grant mic access", cx, |_, _| None)
1115                    }),
1116                );
1117            }
1118            if role == proto::ChannelRole::Guest || role == proto::ChannelRole::Talker {
1119                context_menu = context_menu.entry(
1120                    "Grant Write Access",
1121                    None,
1122                    cx.handler_for(&this, move |_, cx| {
1123                        ActiveCall::global(cx)
1124                            .update(cx, |call, cx| {
1125                                let Some(room) = call.room() else {
1126                                    return Task::ready(Ok(()));
1127                                };
1128                                room.update(cx, |room, cx| {
1129                                    room.set_participant_role(
1130                                        user_id,
1131                                        proto::ChannelRole::Member,
1132                                        cx,
1133                                    )
1134                                })
1135                            })
1136                            .detach_and_prompt_err("Failed to grant write access", cx, |e, _| {
1137                                match e.error_code() {
1138                                    ErrorCode::NeedsCla => Some("This user has not yet signed the CLA at https://zed.dev/cla.".into()),
1139                                    _ => None,
1140                                }
1141                            })
1142                    }),
1143                );
1144            }
1145            if role == proto::ChannelRole::Member || role == proto::ChannelRole::Talker {
1146                let label = if role == proto::ChannelRole::Talker {
1147                    "Mute"
1148                } else {
1149                    "Revoke Access"
1150                };
1151                context_menu = context_menu.entry(
1152                    label,
1153                    None,
1154                    cx.handler_for(&this, move |_, cx| {
1155                        ActiveCall::global(cx)
1156                            .update(cx, |call, cx| {
1157                                let Some(room) = call.room() else {
1158                                    return Task::ready(Ok(()));
1159                                };
1160                                room.update(cx, |room, cx| {
1161                                    room.set_participant_role(
1162                                        user_id,
1163                                        proto::ChannelRole::Guest,
1164                                        cx,
1165                                    )
1166                                })
1167                            })
1168                            .detach_and_prompt_err("Failed to revoke access", cx, |_, _| None)
1169                    }),
1170                );
1171            }
1172
1173            context_menu
1174        });
1175
1176        cx.focus_view(&context_menu);
1177        let subscription =
1178            cx.subscribe(&context_menu, |this, _, _: &DismissEvent, cx| {
1179                if this.context_menu.as_ref().is_some_and(|context_menu| {
1180                    context_menu.0.focus_handle(cx).contains_focused(cx)
1181                }) {
1182                    cx.focus_self();
1183                }
1184                this.context_menu.take();
1185                cx.notify();
1186            });
1187        self.context_menu = Some((context_menu, position, subscription));
1188    }
1189
1190    fn deploy_channel_context_menu(
1191        &mut self,
1192        position: Point<Pixels>,
1193        channel_id: ChannelId,
1194        ix: usize,
1195        cx: &mut ViewContext<Self>,
1196    ) {
1197        let clipboard_channel_name = self.channel_clipboard.as_ref().and_then(|clipboard| {
1198            self.channel_store
1199                .read(cx)
1200                .channel_for_id(clipboard.channel_id)
1201                .map(|channel| channel.name.clone())
1202        });
1203        let this = cx.view().clone();
1204
1205        let context_menu = ContextMenu::build(cx, |mut context_menu, cx| {
1206            if self.has_subchannels(ix) {
1207                let expand_action_name = if self.is_channel_collapsed(channel_id) {
1208                    "Expand Subchannels"
1209                } else {
1210                    "Collapse Subchannels"
1211                };
1212                context_menu = context_menu.entry(
1213                    expand_action_name,
1214                    None,
1215                    cx.handler_for(&this, move |this, cx| {
1216                        this.toggle_channel_collapsed(channel_id, cx)
1217                    }),
1218                );
1219            }
1220
1221            context_menu = context_menu
1222                .entry(
1223                    "Open Notes",
1224                    None,
1225                    cx.handler_for(&this, move |this, cx| {
1226                        this.open_channel_notes(channel_id, cx)
1227                    }),
1228                )
1229                .entry(
1230                    "Open Chat",
1231                    None,
1232                    cx.handler_for(&this, move |this, cx| {
1233                        this.join_channel_chat(channel_id, cx)
1234                    }),
1235                )
1236                .entry(
1237                    "Copy Channel Link",
1238                    None,
1239                    cx.handler_for(&this, move |this, cx| {
1240                        this.copy_channel_link(channel_id, cx)
1241                    }),
1242                );
1243
1244            let mut has_destructive_actions = false;
1245            if self.channel_store.read(cx).is_channel_admin(channel_id) {
1246                has_destructive_actions = true;
1247                context_menu = context_menu
1248                    .separator()
1249                    .entry(
1250                        "New Subchannel",
1251                        None,
1252                        cx.handler_for(&this, move |this, cx| this.new_subchannel(channel_id, cx)),
1253                    )
1254                    .entry(
1255                        "Rename",
1256                        Some(Box::new(SecondaryConfirm)),
1257                        cx.handler_for(&this, move |this, cx| this.rename_channel(channel_id, cx)),
1258                    );
1259
1260                if let Some(channel_name) = clipboard_channel_name {
1261                    context_menu = context_menu.separator().entry(
1262                        format!("Move '#{}' here", channel_name),
1263                        None,
1264                        cx.handler_for(&this, move |this, cx| {
1265                            this.move_channel_on_clipboard(channel_id, cx)
1266                        }),
1267                    );
1268                }
1269
1270                if self.channel_store.read(cx).is_root_channel(channel_id) {
1271                    context_menu = context_menu.separator().entry(
1272                        "Manage Members",
1273                        None,
1274                        cx.handler_for(&this, move |this, cx| this.manage_members(channel_id, cx)),
1275                    )
1276                } else {
1277                    context_menu = context_menu.entry(
1278                        "Move this channel",
1279                        None,
1280                        cx.handler_for(&this, move |this, cx| {
1281                            this.start_move_channel(channel_id, cx)
1282                        }),
1283                    );
1284                    if self.channel_store.read(cx).is_public_channel(channel_id) {
1285                        context_menu = context_menu.separator().entry(
1286                            "Make Channel Private",
1287                            None,
1288                            cx.handler_for(&this, move |this, cx| {
1289                                this.set_channel_visibility(
1290                                    channel_id,
1291                                    ChannelVisibility::Members,
1292                                    cx,
1293                                )
1294                            }),
1295                        )
1296                    } else {
1297                        context_menu = context_menu.separator().entry(
1298                            "Make Channel Public",
1299                            None,
1300                            cx.handler_for(&this, move |this, cx| {
1301                                this.set_channel_visibility(
1302                                    channel_id,
1303                                    ChannelVisibility::Public,
1304                                    cx,
1305                                )
1306                            }),
1307                        )
1308                    }
1309                }
1310
1311                context_menu = context_menu.entry(
1312                    "Delete",
1313                    None,
1314                    cx.handler_for(&this, move |this, cx| this.remove_channel(channel_id, cx)),
1315                );
1316            }
1317
1318            if self.channel_store.read(cx).is_root_channel(channel_id) {
1319                if !has_destructive_actions {
1320                    context_menu = context_menu.separator()
1321                }
1322                context_menu = context_menu.entry(
1323                    "Leave Channel",
1324                    None,
1325                    cx.handler_for(&this, move |this, cx| this.leave_channel(channel_id, cx)),
1326                );
1327            }
1328
1329            context_menu
1330        });
1331
1332        cx.focus_view(&context_menu);
1333        let subscription =
1334            cx.subscribe(&context_menu, |this, _, _: &DismissEvent, cx| {
1335                if this.context_menu.as_ref().is_some_and(|context_menu| {
1336                    context_menu.0.focus_handle(cx).contains_focused(cx)
1337                }) {
1338                    cx.focus_self();
1339                }
1340                this.context_menu.take();
1341                cx.notify();
1342            });
1343        self.context_menu = Some((context_menu, position, subscription));
1344
1345        cx.notify();
1346    }
1347
1348    fn deploy_contact_context_menu(
1349        &mut self,
1350        position: Point<Pixels>,
1351        contact: Arc<Contact>,
1352        cx: &mut ViewContext<Self>,
1353    ) {
1354        let this = cx.view().clone();
1355        let in_room = ActiveCall::global(cx).read(cx).room().is_some();
1356
1357        let context_menu = ContextMenu::build(cx, |mut context_menu, _| {
1358            let user_id = contact.user.id;
1359
1360            if contact.online && !contact.busy {
1361                let label = if in_room {
1362                    format!("Invite {} to join", contact.user.github_login)
1363                } else {
1364                    format!("Call {}", contact.user.github_login)
1365                };
1366                context_menu = context_menu.entry(label, None, {
1367                    let this = this.clone();
1368                    move |cx| {
1369                        this.update(cx, |this, cx| {
1370                            this.call(user_id, cx);
1371                        });
1372                    }
1373                });
1374            }
1375
1376            context_menu.entry("Remove Contact", None, {
1377                let this = this.clone();
1378                move |cx| {
1379                    this.update(cx, |this, cx| {
1380                        this.remove_contact(contact.user.id, &contact.user.github_login, cx);
1381                    });
1382                }
1383            })
1384        });
1385
1386        cx.focus_view(&context_menu);
1387        let subscription =
1388            cx.subscribe(&context_menu, |this, _, _: &DismissEvent, cx| {
1389                if this.context_menu.as_ref().is_some_and(|context_menu| {
1390                    context_menu.0.focus_handle(cx).contains_focused(cx)
1391                }) {
1392                    cx.focus_self();
1393                }
1394                this.context_menu.take();
1395                cx.notify();
1396            });
1397        self.context_menu = Some((context_menu, position, subscription));
1398
1399        cx.notify();
1400    }
1401
1402    fn cancel(&mut self, _: &Cancel, cx: &mut ViewContext<Self>) {
1403        if self.take_editing_state(cx) {
1404            cx.focus_view(&self.filter_editor);
1405        } else {
1406            self.filter_editor.update(cx, |editor, cx| {
1407                if editor.buffer().read(cx).len(cx) > 0 {
1408                    editor.set_text("", cx);
1409                }
1410            });
1411        }
1412
1413        self.update_entries(false, cx);
1414    }
1415
1416    fn select_next(&mut self, _: &SelectNext, cx: &mut ViewContext<Self>) {
1417        let ix = self.selection.map_or(0, |ix| ix + 1);
1418        if ix < self.entries.len() {
1419            self.selection = Some(ix);
1420        }
1421
1422        if let Some(ix) = self.selection {
1423            self.scroll_to_item(ix)
1424        }
1425        cx.notify();
1426    }
1427
1428    fn select_prev(&mut self, _: &SelectPrev, cx: &mut ViewContext<Self>) {
1429        let ix = self.selection.take().unwrap_or(0);
1430        if ix > 0 {
1431            self.selection = Some(ix - 1);
1432        }
1433
1434        if let Some(ix) = self.selection {
1435            self.scroll_to_item(ix)
1436        }
1437        cx.notify();
1438    }
1439
1440    fn confirm(&mut self, _: &Confirm, cx: &mut ViewContext<Self>) {
1441        if self.confirm_channel_edit(cx) {
1442            return;
1443        }
1444
1445        if let Some(selection) = self.selection {
1446            if let Some(entry) = self.entries.get(selection) {
1447                match entry {
1448                    ListEntry::Header(section) => match section {
1449                        Section::ActiveCall => Self::leave_call(cx),
1450                        Section::Channels => self.new_root_channel(cx),
1451                        Section::Contacts => self.toggle_contact_finder(cx),
1452                        Section::ContactRequests
1453                        | Section::Online
1454                        | Section::Offline
1455                        | Section::ChannelInvites => {
1456                            self.toggle_section_expanded(*section, cx);
1457                        }
1458                    },
1459                    ListEntry::Contact { contact, calling } => {
1460                        if contact.online && !contact.busy && !calling {
1461                            self.call(contact.user.id, cx);
1462                        }
1463                    }
1464                    ListEntry::ParticipantProject {
1465                        project_id,
1466                        host_user_id,
1467                        ..
1468                    } => {
1469                        if let Some(workspace) = self.workspace.upgrade() {
1470                            let app_state = workspace.read(cx).app_state().clone();
1471                            workspace::join_in_room_project(
1472                                *project_id,
1473                                *host_user_id,
1474                                app_state,
1475                                cx,
1476                            )
1477                            .detach_and_prompt_err(
1478                                "Failed to join project",
1479                                cx,
1480                                |_, _| None,
1481                            );
1482                        }
1483                    }
1484                    ListEntry::ParticipantScreen { peer_id, .. } => {
1485                        let Some(peer_id) = peer_id else {
1486                            return;
1487                        };
1488                        if let Some(workspace) = self.workspace.upgrade() {
1489                            workspace.update(cx, |workspace, cx| {
1490                                workspace.open_shared_screen(*peer_id, cx)
1491                            });
1492                        }
1493                    }
1494                    ListEntry::Channel { channel, .. } => {
1495                        let is_active = maybe!({
1496                            let call_channel = ActiveCall::global(cx)
1497                                .read(cx)
1498                                .room()?
1499                                .read(cx)
1500                                .channel_id()?;
1501
1502                            Some(call_channel == channel.id)
1503                        })
1504                        .unwrap_or(false);
1505                        if is_active {
1506                            self.open_channel_notes(channel.id, cx)
1507                        } else {
1508                            self.join_channel(channel.id, cx)
1509                        }
1510                    }
1511                    ListEntry::ContactPlaceholder => self.toggle_contact_finder(cx),
1512                    ListEntry::CallParticipant { user, peer_id, .. } => {
1513                        if Some(user) == self.user_store.read(cx).current_user().as_ref() {
1514                            Self::leave_call(cx);
1515                        } else if let Some(peer_id) = peer_id {
1516                            self.workspace
1517                                .update(cx, |workspace, cx| workspace.follow(*peer_id, cx))
1518                                .ok();
1519                        }
1520                    }
1521                    ListEntry::IncomingRequest(user) => {
1522                        self.respond_to_contact_request(user.id, true, cx)
1523                    }
1524                    ListEntry::ChannelInvite(channel) => {
1525                        self.respond_to_channel_invite(channel.id, true, cx)
1526                    }
1527                    ListEntry::ChannelNotes { channel_id } => {
1528                        self.open_channel_notes(*channel_id, cx)
1529                    }
1530                    ListEntry::ChannelChat { channel_id } => {
1531                        self.join_channel_chat(*channel_id, cx)
1532                    }
1533                    ListEntry::HostedProject {
1534                        id: _id,
1535                        name: _name,
1536                    } => {
1537                        // todo()
1538                    }
1539
1540                    ListEntry::OutgoingRequest(_) => {}
1541                    ListEntry::ChannelEditor { .. } => {}
1542                }
1543            }
1544        }
1545    }
1546
1547    fn insert_space(&mut self, _: &InsertSpace, cx: &mut ViewContext<Self>) {
1548        if self.channel_editing_state.is_some() {
1549            self.channel_name_editor.update(cx, |editor, cx| {
1550                editor.insert(" ", cx);
1551            });
1552        }
1553    }
1554
1555    fn confirm_channel_edit(&mut self, cx: &mut ViewContext<CollabPanel>) -> bool {
1556        if let Some(editing_state) = &mut self.channel_editing_state {
1557            match editing_state {
1558                ChannelEditingState::Create {
1559                    location,
1560                    pending_name,
1561                    ..
1562                } => {
1563                    if pending_name.is_some() {
1564                        return false;
1565                    }
1566                    let channel_name = self.channel_name_editor.read(cx).text(cx);
1567
1568                    *pending_name = Some(channel_name.clone());
1569
1570                    self.channel_store
1571                        .update(cx, |channel_store, cx| {
1572                            channel_store.create_channel(&channel_name, *location, cx)
1573                        })
1574                        .detach();
1575                    cx.notify();
1576                }
1577                ChannelEditingState::Rename {
1578                    location,
1579                    pending_name,
1580                } => {
1581                    if pending_name.is_some() {
1582                        return false;
1583                    }
1584                    let channel_name = self.channel_name_editor.read(cx).text(cx);
1585                    *pending_name = Some(channel_name.clone());
1586
1587                    self.channel_store
1588                        .update(cx, |channel_store, cx| {
1589                            channel_store.rename(*location, &channel_name, cx)
1590                        })
1591                        .detach();
1592                    cx.notify();
1593                }
1594            }
1595            cx.focus_self();
1596            true
1597        } else {
1598            false
1599        }
1600    }
1601
1602    fn toggle_section_expanded(&mut self, section: Section, cx: &mut ViewContext<Self>) {
1603        if let Some(ix) = self.collapsed_sections.iter().position(|s| *s == section) {
1604            self.collapsed_sections.remove(ix);
1605        } else {
1606            self.collapsed_sections.push(section);
1607        }
1608        self.update_entries(false, cx);
1609    }
1610
1611    fn collapse_selected_channel(
1612        &mut self,
1613        _: &CollapseSelectedChannel,
1614        cx: &mut ViewContext<Self>,
1615    ) {
1616        let Some(channel_id) = self.selected_channel().map(|channel| channel.id) else {
1617            return;
1618        };
1619
1620        if self.is_channel_collapsed(channel_id) {
1621            return;
1622        }
1623
1624        self.toggle_channel_collapsed(channel_id, cx);
1625    }
1626
1627    fn expand_selected_channel(&mut self, _: &ExpandSelectedChannel, cx: &mut ViewContext<Self>) {
1628        let Some(id) = self.selected_channel().map(|channel| channel.id) else {
1629            return;
1630        };
1631
1632        if !self.is_channel_collapsed(id) {
1633            return;
1634        }
1635
1636        self.toggle_channel_collapsed(id, cx)
1637    }
1638
1639    fn toggle_channel_collapsed(&mut self, channel_id: ChannelId, cx: &mut ViewContext<Self>) {
1640        match self.collapsed_channels.binary_search(&channel_id) {
1641            Ok(ix) => {
1642                self.collapsed_channels.remove(ix);
1643            }
1644            Err(ix) => {
1645                self.collapsed_channels.insert(ix, channel_id);
1646            }
1647        };
1648        self.serialize(cx);
1649        self.update_entries(true, cx);
1650        cx.notify();
1651        cx.focus_self();
1652    }
1653
1654    fn is_channel_collapsed(&self, channel_id: ChannelId) -> bool {
1655        self.collapsed_channels.binary_search(&channel_id).is_ok()
1656    }
1657
1658    fn leave_call(cx: &mut WindowContext) {
1659        ActiveCall::global(cx)
1660            .update(cx, |call, cx| call.hang_up(cx))
1661            .detach_and_prompt_err("Failed to hang up", cx, |_, _| None);
1662    }
1663
1664    fn toggle_contact_finder(&mut self, cx: &mut ViewContext<Self>) {
1665        if let Some(workspace) = self.workspace.upgrade() {
1666            workspace.update(cx, |workspace, cx| {
1667                workspace.toggle_modal(cx, |cx| {
1668                    let mut finder = ContactFinder::new(self.user_store.clone(), cx);
1669                    finder.set_query(self.filter_editor.read(cx).text(cx), cx);
1670                    finder
1671                });
1672            });
1673        }
1674    }
1675
1676    fn new_root_channel(&mut self, cx: &mut ViewContext<Self>) {
1677        self.channel_editing_state = Some(ChannelEditingState::Create {
1678            location: None,
1679            pending_name: None,
1680        });
1681        self.update_entries(false, cx);
1682        self.select_channel_editor();
1683        cx.focus_view(&self.channel_name_editor);
1684        cx.notify();
1685    }
1686
1687    fn select_channel_editor(&mut self) {
1688        self.selection = self.entries.iter().position(|entry| match entry {
1689            ListEntry::ChannelEditor { .. } => true,
1690            _ => false,
1691        });
1692    }
1693
1694    fn new_subchannel(&mut self, channel_id: ChannelId, cx: &mut ViewContext<Self>) {
1695        self.collapsed_channels
1696            .retain(|channel| *channel != channel_id);
1697        self.channel_editing_state = Some(ChannelEditingState::Create {
1698            location: Some(channel_id),
1699            pending_name: None,
1700        });
1701        self.update_entries(false, cx);
1702        self.select_channel_editor();
1703        cx.focus_view(&self.channel_name_editor);
1704        cx.notify();
1705    }
1706
1707    fn manage_members(&mut self, channel_id: ChannelId, cx: &mut ViewContext<Self>) {
1708        self.show_channel_modal(channel_id, channel_modal::Mode::ManageMembers, cx);
1709    }
1710
1711    fn remove_selected_channel(&mut self, _: &Remove, cx: &mut ViewContext<Self>) {
1712        if let Some(channel) = self.selected_channel() {
1713            self.remove_channel(channel.id, cx)
1714        }
1715    }
1716
1717    fn rename_selected_channel(&mut self, _: &SecondaryConfirm, cx: &mut ViewContext<Self>) {
1718        if let Some(channel) = self.selected_channel() {
1719            self.rename_channel(channel.id, cx);
1720        }
1721    }
1722
1723    fn rename_channel(&mut self, channel_id: ChannelId, cx: &mut ViewContext<Self>) {
1724        let channel_store = self.channel_store.read(cx);
1725        if !channel_store.is_channel_admin(channel_id) {
1726            return;
1727        }
1728        if let Some(channel) = channel_store.channel_for_id(channel_id).cloned() {
1729            self.channel_editing_state = Some(ChannelEditingState::Rename {
1730                location: channel_id,
1731                pending_name: None,
1732            });
1733            self.channel_name_editor.update(cx, |editor, cx| {
1734                editor.set_text(channel.name.clone(), cx);
1735                editor.select_all(&Default::default(), cx);
1736            });
1737            cx.focus_view(&self.channel_name_editor);
1738            self.update_entries(false, cx);
1739            self.select_channel_editor();
1740        }
1741    }
1742
1743    fn set_channel_visibility(
1744        &mut self,
1745        channel_id: ChannelId,
1746        visibility: ChannelVisibility,
1747        cx: &mut ViewContext<Self>,
1748    ) {
1749        self.channel_store
1750            .update(cx, |channel_store, cx| {
1751                channel_store.set_channel_visibility(channel_id, visibility, cx)
1752            })
1753            .detach_and_prompt_err("Failed to set channel visibility", cx, |e, _| match e.error_code() {
1754                ErrorCode::BadPublicNesting =>
1755                    if e.error_tag("direction") == Some("parent") {
1756                        Some("To make a channel public, its parent channel must be public.".to_string())
1757                    } else {
1758                        Some("To make a channel private, all of its subchannels must be private.".to_string())
1759                    },
1760                _ => None
1761            });
1762    }
1763
1764    fn start_move_channel(&mut self, channel_id: ChannelId, _cx: &mut ViewContext<Self>) {
1765        self.channel_clipboard = Some(ChannelMoveClipboard { channel_id });
1766    }
1767
1768    fn start_move_selected_channel(&mut self, _: &StartMoveChannel, cx: &mut ViewContext<Self>) {
1769        if let Some(channel) = self.selected_channel() {
1770            self.start_move_channel(channel.id, cx);
1771        }
1772    }
1773
1774    fn move_channel_on_clipboard(
1775        &mut self,
1776        to_channel_id: ChannelId,
1777        cx: &mut ViewContext<CollabPanel>,
1778    ) {
1779        if let Some(clipboard) = self.channel_clipboard.take() {
1780            self.move_channel(clipboard.channel_id, to_channel_id, cx)
1781        }
1782    }
1783
1784    fn move_channel(&self, channel_id: ChannelId, to: ChannelId, cx: &mut ViewContext<Self>) {
1785        self.channel_store
1786            .update(cx, |channel_store, cx| {
1787                channel_store.move_channel(channel_id, to, cx)
1788            })
1789            .detach_and_prompt_err("Failed to move channel", cx, |e, _| match e.error_code() {
1790                ErrorCode::BadPublicNesting => {
1791                    Some("Public channels must have public parents".into())
1792                }
1793                ErrorCode::CircularNesting => Some("You cannot move a channel into itself".into()),
1794                ErrorCode::WrongMoveTarget => {
1795                    Some("You cannot move a channel into a different root channel".into())
1796                }
1797                _ => None,
1798            })
1799    }
1800
1801    fn open_channel_notes(&mut self, channel_id: ChannelId, cx: &mut ViewContext<Self>) {
1802        if let Some(workspace) = self.workspace.upgrade() {
1803            ChannelView::open(channel_id, None, workspace, cx).detach();
1804        }
1805    }
1806
1807    fn show_inline_context_menu(&mut self, _: &menu::ShowContextMenu, cx: &mut ViewContext<Self>) {
1808        let Some(bounds) = self
1809            .selection
1810            .and_then(|ix| self.list_state.bounds_for_item(ix))
1811        else {
1812            return;
1813        };
1814
1815        if let Some(channel) = self.selected_channel() {
1816            self.deploy_channel_context_menu(
1817                bounds.center(),
1818                channel.id,
1819                self.selection.unwrap(),
1820                cx,
1821            );
1822            cx.stop_propagation();
1823            return;
1824        };
1825
1826        if let Some(contact) = self.selected_contact() {
1827            self.deploy_contact_context_menu(bounds.center(), contact, cx);
1828            cx.stop_propagation();
1829            return;
1830        };
1831    }
1832
1833    fn selected_channel(&self) -> Option<&Arc<Channel>> {
1834        self.selection
1835            .and_then(|ix| self.entries.get(ix))
1836            .and_then(|entry| match entry {
1837                ListEntry::Channel { channel, .. } => Some(channel),
1838                _ => None,
1839            })
1840    }
1841
1842    fn selected_contact(&self) -> Option<Arc<Contact>> {
1843        self.selection
1844            .and_then(|ix| self.entries.get(ix))
1845            .and_then(|entry| match entry {
1846                ListEntry::Contact { contact, .. } => Some(contact.clone()),
1847                _ => None,
1848            })
1849    }
1850
1851    fn show_channel_modal(
1852        &mut self,
1853        channel_id: ChannelId,
1854        mode: channel_modal::Mode,
1855        cx: &mut ViewContext<Self>,
1856    ) {
1857        let workspace = self.workspace.clone();
1858        let user_store = self.user_store.clone();
1859        let channel_store = self.channel_store.clone();
1860        let members = self.channel_store.update(cx, |channel_store, cx| {
1861            channel_store.get_channel_member_details(channel_id, cx)
1862        });
1863
1864        cx.spawn(|_, mut cx| async move {
1865            let members = members.await?;
1866            workspace.update(&mut cx, |workspace, cx| {
1867                workspace.toggle_modal(cx, |cx| {
1868                    ChannelModal::new(
1869                        user_store.clone(),
1870                        channel_store.clone(),
1871                        channel_id,
1872                        mode,
1873                        members,
1874                        cx,
1875                    )
1876                });
1877            })
1878        })
1879        .detach();
1880    }
1881
1882    fn leave_channel(&self, channel_id: ChannelId, cx: &mut ViewContext<Self>) {
1883        let Some(user_id) = self.user_store.read(cx).current_user().map(|u| u.id) else {
1884            return;
1885        };
1886        let Some(channel) = self.channel_store.read(cx).channel_for_id(channel_id) else {
1887            return;
1888        };
1889        let prompt_message = format!("Are you sure you want to leave \"#{}\"?", channel.name);
1890        let answer = cx.prompt(
1891            PromptLevel::Warning,
1892            &prompt_message,
1893            None,
1894            &["Leave", "Cancel"],
1895        );
1896        cx.spawn(|this, mut cx| async move {
1897            if answer.await? != 0 {
1898                return Ok(());
1899            }
1900            this.update(&mut cx, |this, cx| {
1901                this.channel_store.update(cx, |channel_store, cx| {
1902                    channel_store.remove_member(channel_id, user_id, cx)
1903                })
1904            })?
1905            .await
1906        })
1907        .detach_and_prompt_err("Failed to leave channel", cx, |_, _| None)
1908    }
1909
1910    fn remove_channel(&mut self, channel_id: ChannelId, cx: &mut ViewContext<Self>) {
1911        let channel_store = self.channel_store.clone();
1912        if let Some(channel) = channel_store.read(cx).channel_for_id(channel_id) {
1913            let prompt_message = format!(
1914                "Are you sure you want to remove the channel \"{}\"?",
1915                channel.name
1916            );
1917            let answer = cx.prompt(
1918                PromptLevel::Warning,
1919                &prompt_message,
1920                None,
1921                &["Remove", "Cancel"],
1922            );
1923            cx.spawn(|this, mut cx| async move {
1924                if answer.await? == 0 {
1925                    channel_store
1926                        .update(&mut cx, |channels, _| channels.remove_channel(channel_id))?
1927                        .await
1928                        .notify_async_err(&mut cx);
1929                    this.update(&mut cx, |_, cx| cx.focus_self()).ok();
1930                }
1931                anyhow::Ok(())
1932            })
1933            .detach();
1934        }
1935    }
1936
1937    fn remove_contact(&mut self, user_id: u64, github_login: &str, cx: &mut ViewContext<Self>) {
1938        let user_store = self.user_store.clone();
1939        let prompt_message = format!(
1940            "Are you sure you want to remove \"{}\" from your contacts?",
1941            github_login
1942        );
1943        let answer = cx.prompt(
1944            PromptLevel::Warning,
1945            &prompt_message,
1946            None,
1947            &["Remove", "Cancel"],
1948        );
1949        cx.spawn(|_, mut cx| async move {
1950            if answer.await? == 0 {
1951                user_store
1952                    .update(&mut cx, |store, cx| store.remove_contact(user_id, cx))?
1953                    .await
1954                    .notify_async_err(&mut cx);
1955            }
1956            anyhow::Ok(())
1957        })
1958        .detach_and_prompt_err("Failed to remove contact", cx, |_, _| None);
1959    }
1960
1961    fn respond_to_contact_request(
1962        &mut self,
1963        user_id: u64,
1964        accept: bool,
1965        cx: &mut ViewContext<Self>,
1966    ) {
1967        self.user_store
1968            .update(cx, |store, cx| {
1969                store.respond_to_contact_request(user_id, accept, cx)
1970            })
1971            .detach_and_prompt_err("Failed to respond to contact request", cx, |_, _| None);
1972    }
1973
1974    fn respond_to_channel_invite(
1975        &mut self,
1976        channel_id: ChannelId,
1977        accept: bool,
1978        cx: &mut ViewContext<Self>,
1979    ) {
1980        self.channel_store
1981            .update(cx, |store, cx| {
1982                store.respond_to_channel_invite(channel_id, accept, cx)
1983            })
1984            .detach();
1985    }
1986
1987    fn call(&mut self, recipient_user_id: u64, cx: &mut ViewContext<Self>) {
1988        ActiveCall::global(cx)
1989            .update(cx, |call, cx| {
1990                call.invite(recipient_user_id, Some(self.project.clone()), cx)
1991            })
1992            .detach_and_prompt_err("Call failed", cx, |_, _| None);
1993    }
1994
1995    fn join_channel(&self, channel_id: ChannelId, cx: &mut ViewContext<Self>) {
1996        let Some(workspace) = self.workspace.upgrade() else {
1997            return;
1998        };
1999        let Some(handle) = cx.window_handle().downcast::<Workspace>() else {
2000            return;
2001        };
2002        workspace::join_channel(
2003            channel_id,
2004            workspace.read(cx).app_state().clone(),
2005            Some(handle),
2006            cx,
2007        )
2008        .detach_and_prompt_err("Failed to join channel", cx, |_, _| None)
2009    }
2010
2011    fn join_channel_chat(&mut self, channel_id: ChannelId, cx: &mut ViewContext<Self>) {
2012        let Some(workspace) = self.workspace.upgrade() else {
2013            return;
2014        };
2015        cx.window_context().defer(move |cx| {
2016            workspace.update(cx, |workspace, cx| {
2017                if let Some(panel) = workspace.focus_panel::<ChatPanel>(cx) {
2018                    panel.update(cx, |panel, cx| {
2019                        panel
2020                            .select_channel(channel_id, None, cx)
2021                            .detach_and_notify_err(cx);
2022                    });
2023                }
2024            });
2025        });
2026    }
2027
2028    fn copy_channel_link(&mut self, channel_id: ChannelId, cx: &mut ViewContext<Self>) {
2029        let channel_store = self.channel_store.read(cx);
2030        let Some(channel) = channel_store.channel_for_id(channel_id) else {
2031            return;
2032        };
2033        let item = ClipboardItem::new(channel.link(cx));
2034        cx.write_to_clipboard(item)
2035    }
2036
2037    fn render_signed_out(&mut self, cx: &mut ViewContext<Self>) -> Div {
2038        let collab_blurb = "Work with your team in realtime with collaborative editing, voice, shared notes and more.";
2039
2040        v_flex()
2041            .gap_6()
2042            .p_4()
2043            .child(Label::new(collab_blurb))
2044            .child(
2045                v_flex()
2046                    .gap_2()
2047                    .child(
2048                        Button::new("sign_in", "Sign in")
2049                            .icon_color(Color::Muted)
2050                            .icon(IconName::Github)
2051                            .icon_position(IconPosition::Start)
2052                            .style(ButtonStyle::Filled)
2053                            .full_width()
2054                            .on_click(cx.listener(|this, _, cx| {
2055                                let client = this.client.clone();
2056                                cx.spawn(|_, mut cx| async move {
2057                                    client
2058                                        .authenticate_and_connect(true, &cx)
2059                                        .await
2060                                        .notify_async_err(&mut cx);
2061                                })
2062                                .detach()
2063                            })),
2064                    )
2065                    .child(
2066                        div().flex().w_full().items_center().child(
2067                            Label::new("Sign in to enable collaboration.")
2068                                .color(Color::Muted)
2069                                .size(LabelSize::Small),
2070                        ),
2071                    ),
2072            )
2073    }
2074
2075    fn render_list_entry(&mut self, ix: usize, cx: &mut ViewContext<Self>) -> AnyElement {
2076        let entry = &self.entries[ix];
2077
2078        let is_selected = self.selection == Some(ix);
2079        match entry {
2080            ListEntry::Header(section) => {
2081                let is_collapsed = self.collapsed_sections.contains(section);
2082                self.render_header(*section, is_selected, is_collapsed, cx)
2083                    .into_any_element()
2084            }
2085            ListEntry::Contact { contact, calling } => self
2086                .render_contact(contact, *calling, is_selected, cx)
2087                .into_any_element(),
2088            ListEntry::ContactPlaceholder => self
2089                .render_contact_placeholder(is_selected, cx)
2090                .into_any_element(),
2091            ListEntry::IncomingRequest(user) => self
2092                .render_contact_request(user, true, is_selected, cx)
2093                .into_any_element(),
2094            ListEntry::OutgoingRequest(user) => self
2095                .render_contact_request(user, false, is_selected, cx)
2096                .into_any_element(),
2097            ListEntry::Channel {
2098                channel,
2099                depth,
2100                has_children,
2101            } => self
2102                .render_channel(channel, *depth, *has_children, is_selected, ix, cx)
2103                .into_any_element(),
2104            ListEntry::ChannelEditor { depth } => {
2105                self.render_channel_editor(*depth, cx).into_any_element()
2106            }
2107            ListEntry::ChannelInvite(channel) => self
2108                .render_channel_invite(channel, is_selected, cx)
2109                .into_any_element(),
2110            ListEntry::CallParticipant {
2111                user,
2112                peer_id,
2113                is_pending,
2114                role,
2115            } => self
2116                .render_call_participant(user, *peer_id, *is_pending, *role, is_selected, cx)
2117                .into_any_element(),
2118            ListEntry::ParticipantProject {
2119                project_id,
2120                worktree_root_names,
2121                host_user_id,
2122                is_last,
2123            } => self
2124                .render_participant_project(
2125                    *project_id,
2126                    &worktree_root_names,
2127                    *host_user_id,
2128                    *is_last,
2129                    is_selected,
2130                    cx,
2131                )
2132                .into_any_element(),
2133            ListEntry::ParticipantScreen { peer_id, is_last } => self
2134                .render_participant_screen(*peer_id, *is_last, is_selected, cx)
2135                .into_any_element(),
2136            ListEntry::ChannelNotes { channel_id } => self
2137                .render_channel_notes(*channel_id, is_selected, cx)
2138                .into_any_element(),
2139            ListEntry::ChannelChat { channel_id } => self
2140                .render_channel_chat(*channel_id, is_selected, cx)
2141                .into_any_element(),
2142
2143            ListEntry::HostedProject { id, name } => self
2144                .render_channel_project(*id, name, is_selected, cx)
2145                .into_any_element(),
2146        }
2147    }
2148
2149    fn render_signed_in(&mut self, cx: &mut ViewContext<Self>) -> Div {
2150        v_flex()
2151            .size_full()
2152            .child(list(self.list_state.clone()).size_full())
2153            .child(
2154                v_flex()
2155                    .child(div().mx_2().border_primary(cx).border_t())
2156                    .child(
2157                        v_flex()
2158                            .p_2()
2159                            .child(self.render_filter_input(&self.filter_editor, cx)),
2160                    ),
2161            )
2162    }
2163
2164    fn render_filter_input(
2165        &self,
2166        editor: &View<Editor>,
2167        cx: &mut ViewContext<Self>,
2168    ) -> impl IntoElement {
2169        let settings = ThemeSettings::get_global(cx);
2170        let text_style = TextStyle {
2171            color: if editor.read(cx).read_only(cx) {
2172                cx.theme().colors().text_disabled
2173            } else {
2174                cx.theme().colors().text
2175            },
2176            font_family: settings.ui_font.family.clone(),
2177            font_features: settings.ui_font.features,
2178            font_size: rems(0.875).into(),
2179            font_weight: FontWeight::NORMAL,
2180            font_style: FontStyle::Normal,
2181            line_height: relative(1.3),
2182            background_color: None,
2183            underline: None,
2184            strikethrough: None,
2185            white_space: WhiteSpace::Normal,
2186        };
2187
2188        EditorElement::new(
2189            editor,
2190            EditorStyle {
2191                local_player: cx.theme().players().local(),
2192                text: text_style,
2193                ..Default::default()
2194            },
2195        )
2196    }
2197
2198    fn render_header(
2199        &self,
2200        section: Section,
2201        is_selected: bool,
2202        is_collapsed: bool,
2203        cx: &ViewContext<Self>,
2204    ) -> impl IntoElement {
2205        let mut channel_link = None;
2206        let mut channel_tooltip_text = None;
2207        let mut channel_icon = None;
2208
2209        let text = match section {
2210            Section::ActiveCall => {
2211                let channel_name = maybe!({
2212                    let channel_id = ActiveCall::global(cx).read(cx).channel_id(cx)?;
2213
2214                    let channel = self.channel_store.read(cx).channel_for_id(channel_id)?;
2215
2216                    channel_link = Some(channel.link(cx));
2217                    (channel_icon, channel_tooltip_text) = match channel.visibility {
2218                        proto::ChannelVisibility::Public => {
2219                            (Some("icons/public.svg"), Some("Copy public channel link."))
2220                        }
2221                        proto::ChannelVisibility::Members => {
2222                            (Some("icons/hash.svg"), Some("Copy private channel link."))
2223                        }
2224                    };
2225
2226                    Some(channel.name.as_ref())
2227                });
2228
2229                if let Some(name) = channel_name {
2230                    SharedString::from(name.to_string())
2231                } else {
2232                    SharedString::from("Current Call")
2233                }
2234            }
2235            Section::ContactRequests => SharedString::from("Requests"),
2236            Section::Contacts => SharedString::from("Contacts"),
2237            Section::Channels => SharedString::from("Channels"),
2238            Section::ChannelInvites => SharedString::from("Invites"),
2239            Section::Online => SharedString::from("Online"),
2240            Section::Offline => SharedString::from("Offline"),
2241        };
2242
2243        let button = match section {
2244            Section::ActiveCall => channel_link.map(|channel_link| {
2245                let channel_link_copy = channel_link.clone();
2246                IconButton::new("channel-link", IconName::Copy)
2247                    .icon_size(IconSize::Small)
2248                    .size(ButtonSize::None)
2249                    .visible_on_hover("section-header")
2250                    .on_click(move |_, cx| {
2251                        let item = ClipboardItem::new(channel_link_copy.clone());
2252                        cx.write_to_clipboard(item)
2253                    })
2254                    .tooltip(|cx| Tooltip::text("Copy channel link", cx))
2255                    .into_any_element()
2256            }),
2257            Section::Contacts => Some(
2258                IconButton::new("add-contact", IconName::Plus)
2259                    .on_click(cx.listener(|this, _, cx| this.toggle_contact_finder(cx)))
2260                    .tooltip(|cx| Tooltip::text("Search for new contact", cx))
2261                    .into_any_element(),
2262            ),
2263            Section::Channels => Some(
2264                IconButton::new("add-channel", IconName::Plus)
2265                    .on_click(cx.listener(|this, _, cx| this.new_root_channel(cx)))
2266                    .tooltip(|cx| Tooltip::text("Create a channel", cx))
2267                    .into_any_element(),
2268            ),
2269            _ => None,
2270        };
2271
2272        let can_collapse = match section {
2273            Section::ActiveCall | Section::Channels | Section::Contacts => false,
2274            Section::ChannelInvites
2275            | Section::ContactRequests
2276            | Section::Online
2277            | Section::Offline => true,
2278        };
2279
2280        h_flex().w_full().group("section-header").child(
2281            ListHeader::new(text)
2282                .when(can_collapse, |header| {
2283                    header
2284                        .toggle(Some(!is_collapsed))
2285                        .on_toggle(cx.listener(move |this, _, cx| {
2286                            this.toggle_section_expanded(section, cx);
2287                        }))
2288                })
2289                .inset(true)
2290                .end_slot::<AnyElement>(button)
2291                .selected(is_selected),
2292        )
2293    }
2294
2295    fn render_contact(
2296        &self,
2297        contact: &Arc<Contact>,
2298        calling: bool,
2299        is_selected: bool,
2300        cx: &mut ViewContext<Self>,
2301    ) -> impl IntoElement {
2302        let online = contact.online;
2303        let busy = contact.busy || calling;
2304        let github_login = SharedString::from(contact.user.github_login.clone());
2305        let item = ListItem::new(github_login.clone())
2306            .indent_level(1)
2307            .indent_step_size(px(20.))
2308            .selected(is_selected)
2309            .child(
2310                h_flex()
2311                    .w_full()
2312                    .justify_between()
2313                    .child(Label::new(github_login.clone()))
2314                    .when(calling, |el| {
2315                        el.child(Label::new("Calling").color(Color::Muted))
2316                    })
2317                    .when(!calling, |el| {
2318                        el.child(
2319                            IconButton::new("contact context menu", IconName::Ellipsis)
2320                                .icon_color(Color::Muted)
2321                                .visible_on_hover("")
2322                                .on_click(cx.listener({
2323                                    let contact = contact.clone();
2324                                    move |this, event: &ClickEvent, cx| {
2325                                        this.deploy_contact_context_menu(
2326                                            event.down.position,
2327                                            contact.clone(),
2328                                            cx,
2329                                        );
2330                                    }
2331                                })),
2332                        )
2333                    }),
2334            )
2335            .on_secondary_mouse_down(cx.listener({
2336                let contact = contact.clone();
2337                move |this, event: &MouseDownEvent, cx| {
2338                    this.deploy_contact_context_menu(event.position, contact.clone(), cx);
2339                }
2340            }))
2341            .start_slot(
2342                // todo handle contacts with no avatar
2343                Avatar::new(contact.user.avatar_uri.clone())
2344                    .indicator::<AvatarAvailabilityIndicator>(if online {
2345                        Some(AvatarAvailabilityIndicator::new(match busy {
2346                            true => ui::Availability::Busy,
2347                            false => ui::Availability::Free,
2348                        }))
2349                    } else {
2350                        None
2351                    }),
2352            );
2353
2354        div()
2355            .id(github_login.clone())
2356            .group("")
2357            .child(item)
2358            .tooltip(move |cx| {
2359                let text = if !online {
2360                    format!(" {} is offline", &github_login)
2361                } else if busy {
2362                    format!(" {} is on a call", &github_login)
2363                } else {
2364                    let room = ActiveCall::global(cx).read(cx).room();
2365                    if room.is_some() {
2366                        format!("Invite {} to join call", &github_login)
2367                    } else {
2368                        format!("Call {}", &github_login)
2369                    }
2370                };
2371                Tooltip::text(text, cx)
2372            })
2373    }
2374
2375    fn render_contact_request(
2376        &self,
2377        user: &Arc<User>,
2378        is_incoming: bool,
2379        is_selected: bool,
2380        cx: &mut ViewContext<Self>,
2381    ) -> impl IntoElement {
2382        let github_login = SharedString::from(user.github_login.clone());
2383        let user_id = user.id;
2384        let is_response_pending = self.user_store.read(cx).is_contact_request_pending(&user);
2385        let color = if is_response_pending {
2386            Color::Muted
2387        } else {
2388            Color::Default
2389        };
2390
2391        let controls = if is_incoming {
2392            vec![
2393                IconButton::new("decline-contact", IconName::Close)
2394                    .on_click(cx.listener(move |this, _, cx| {
2395                        this.respond_to_contact_request(user_id, false, cx);
2396                    }))
2397                    .icon_color(color)
2398                    .tooltip(|cx| Tooltip::text("Decline invite", cx)),
2399                IconButton::new("accept-contact", IconName::Check)
2400                    .on_click(cx.listener(move |this, _, cx| {
2401                        this.respond_to_contact_request(user_id, true, cx);
2402                    }))
2403                    .icon_color(color)
2404                    .tooltip(|cx| Tooltip::text("Accept invite", cx)),
2405            ]
2406        } else {
2407            let github_login = github_login.clone();
2408            vec![IconButton::new("remove_contact", IconName::Close)
2409                .on_click(cx.listener(move |this, _, cx| {
2410                    this.remove_contact(user_id, &github_login, cx);
2411                }))
2412                .icon_color(color)
2413                .tooltip(|cx| Tooltip::text("Cancel invite", cx))]
2414        };
2415
2416        ListItem::new(github_login.clone())
2417            .indent_level(1)
2418            .indent_step_size(px(20.))
2419            .selected(is_selected)
2420            .child(
2421                h_flex()
2422                    .w_full()
2423                    .justify_between()
2424                    .child(Label::new(github_login.clone()))
2425                    .child(h_flex().children(controls)),
2426            )
2427            .start_slot(Avatar::new(user.avatar_uri.clone()))
2428    }
2429
2430    fn render_channel_invite(
2431        &self,
2432        channel: &Arc<Channel>,
2433        is_selected: bool,
2434        cx: &mut ViewContext<Self>,
2435    ) -> ListItem {
2436        let channel_id = channel.id;
2437        let response_is_pending = self
2438            .channel_store
2439            .read(cx)
2440            .has_pending_channel_invite_response(&channel);
2441        let color = if response_is_pending {
2442            Color::Muted
2443        } else {
2444            Color::Default
2445        };
2446
2447        let controls = [
2448            IconButton::new("reject-invite", IconName::Close)
2449                .on_click(cx.listener(move |this, _, cx| {
2450                    this.respond_to_channel_invite(channel_id, false, cx);
2451                }))
2452                .icon_color(color)
2453                .tooltip(|cx| Tooltip::text("Decline invite", cx)),
2454            IconButton::new("accept-invite", IconName::Check)
2455                .on_click(cx.listener(move |this, _, cx| {
2456                    this.respond_to_channel_invite(channel_id, true, cx);
2457                }))
2458                .icon_color(color)
2459                .tooltip(|cx| Tooltip::text("Accept invite", cx)),
2460        ];
2461
2462        ListItem::new(("channel-invite", channel.id.0 as usize))
2463            .selected(is_selected)
2464            .child(
2465                h_flex()
2466                    .w_full()
2467                    .justify_between()
2468                    .child(Label::new(channel.name.clone()))
2469                    .child(h_flex().children(controls)),
2470            )
2471            .start_slot(
2472                Icon::new(IconName::Hash)
2473                    .size(IconSize::Small)
2474                    .color(Color::Muted),
2475            )
2476    }
2477
2478    fn render_contact_placeholder(
2479        &self,
2480        is_selected: bool,
2481        cx: &mut ViewContext<Self>,
2482    ) -> ListItem {
2483        ListItem::new("contact-placeholder")
2484            .child(Icon::new(IconName::Plus))
2485            .child(Label::new("Add a Contact"))
2486            .selected(is_selected)
2487            .on_click(cx.listener(|this, _, cx| this.toggle_contact_finder(cx)))
2488    }
2489
2490    fn render_channel(
2491        &self,
2492        channel: &Channel,
2493        depth: usize,
2494        has_children: bool,
2495        is_selected: bool,
2496        ix: usize,
2497        cx: &mut ViewContext<Self>,
2498    ) -> impl IntoElement {
2499        let channel_id = channel.id;
2500
2501        let is_active = maybe!({
2502            let call_channel = ActiveCall::global(cx)
2503                .read(cx)
2504                .room()?
2505                .read(cx)
2506                .channel_id()?;
2507            Some(call_channel == channel_id)
2508        })
2509        .unwrap_or(false);
2510        let channel_store = self.channel_store.read(cx);
2511        let is_public = channel_store
2512            .channel_for_id(channel_id)
2513            .map(|channel| channel.visibility)
2514            == Some(proto::ChannelVisibility::Public);
2515        let disclosed =
2516            has_children.then(|| self.collapsed_channels.binary_search(&channel.id).is_err());
2517
2518        let has_messages_notification = channel_store.has_new_messages(channel_id);
2519        let has_notes_notification = channel_store.has_channel_buffer_changed(channel_id);
2520
2521        const FACEPILE_LIMIT: usize = 3;
2522        let participants = self.channel_store.read(cx).channel_participants(channel_id);
2523
2524        let face_pile = if !participants.is_empty() {
2525            let extra_count = participants.len().saturating_sub(FACEPILE_LIMIT);
2526            let result = FacePile::new(
2527                participants
2528                    .iter()
2529                    .map(|user| Avatar::new(user.avatar_uri.clone()).into_any_element())
2530                    .take(FACEPILE_LIMIT)
2531                    .chain(if extra_count > 0 {
2532                        Some(
2533                            div()
2534                                .ml_2()
2535                                .child(Label::new(format!("+{extra_count}")))
2536                                .into_any_element(),
2537                        )
2538                    } else {
2539                        None
2540                    })
2541                    .collect::<SmallVec<_>>(),
2542            );
2543
2544            Some(result)
2545        } else {
2546            None
2547        };
2548
2549        let width = self.width.unwrap_or(px(240.));
2550        let root_id = channel.root_id();
2551
2552        div()
2553            .h_6()
2554            .id(channel_id.0 as usize)
2555            .group("")
2556            .flex()
2557            .w_full()
2558            .when(!channel.is_root_channel(), |el| {
2559                el.on_drag(channel.clone(), move |channel, cx| {
2560                    cx.new_view(|_| DraggedChannelView {
2561                        channel: channel.clone(),
2562                        width,
2563                    })
2564                })
2565            })
2566            .drag_over::<Channel>({
2567                move |style, dragged_channel: &Channel, cx| {
2568                    if dragged_channel.root_id() == root_id {
2569                        style.bg(cx.theme().colors().ghost_element_hover)
2570                    } else {
2571                        style
2572                    }
2573                }
2574            })
2575            .on_drop(cx.listener(move |this, dragged_channel: &Channel, cx| {
2576                if dragged_channel.root_id() != root_id {
2577                    return;
2578                }
2579                this.move_channel(dragged_channel.id, channel_id, cx);
2580            }))
2581            .child(
2582                ListItem::new(channel_id.0 as usize)
2583                    // Add one level of depth for the disclosure arrow.
2584                    .indent_level(depth + 1)
2585                    .indent_step_size(px(20.))
2586                    .selected(is_selected || is_active)
2587                    .toggle(disclosed)
2588                    .on_toggle(
2589                        cx.listener(move |this, _, cx| {
2590                            this.toggle_channel_collapsed(channel_id, cx)
2591                        }),
2592                    )
2593                    .on_click(cx.listener(move |this, _, cx| {
2594                        if is_active {
2595                            this.open_channel_notes(channel_id, cx)
2596                        } else {
2597                            this.join_channel(channel_id, cx)
2598                        }
2599                    }))
2600                    .on_secondary_mouse_down(cx.listener(
2601                        move |this, event: &MouseDownEvent, cx| {
2602                            this.deploy_channel_context_menu(event.position, channel_id, ix, cx)
2603                        },
2604                    ))
2605                    .start_slot(
2606                        div()
2607                            .relative()
2608                            .child(
2609                                Icon::new(if is_public {
2610                                    IconName::Public
2611                                } else {
2612                                    IconName::Hash
2613                                })
2614                                .size(IconSize::Small)
2615                                .color(Color::Muted),
2616                            )
2617                            .children(has_notes_notification.then(|| {
2618                                div()
2619                                    .w_1p5()
2620                                    .z_index(1)
2621                                    .absolute()
2622                                    .right(px(-1.))
2623                                    .top(px(-1.))
2624                                    .child(Indicator::dot().color(Color::Info))
2625                            })),
2626                    )
2627                    .child(
2628                        h_flex()
2629                            .id(channel_id.0 as usize)
2630                            .child(Label::new(channel.name.clone()))
2631                            .children(face_pile.map(|face_pile| face_pile.p_1())),
2632                    ),
2633            )
2634            .child(
2635                h_flex()
2636                    .absolute()
2637                    .right(rems(0.))
2638                    .z_index(1)
2639                    .h_full()
2640                    .child(
2641                        h_flex()
2642                            .h_full()
2643                            .gap_1()
2644                            .px_1()
2645                            .child(
2646                                IconButton::new("channel_chat", IconName::MessageBubbles)
2647                                    .style(ButtonStyle::Filled)
2648                                    .shape(ui::IconButtonShape::Square)
2649                                    .icon_size(IconSize::Small)
2650                                    .icon_color(if has_messages_notification {
2651                                        Color::Default
2652                                    } else {
2653                                        Color::Muted
2654                                    })
2655                                    .on_click(cx.listener(move |this, _, cx| {
2656                                        this.join_channel_chat(channel_id, cx)
2657                                    }))
2658                                    .tooltip(|cx| Tooltip::text("Open channel chat", cx))
2659                                    .visible_on_hover(""),
2660                            )
2661                            .child(
2662                                IconButton::new("channel_notes", IconName::File)
2663                                    .style(ButtonStyle::Filled)
2664                                    .shape(ui::IconButtonShape::Square)
2665                                    .icon_size(IconSize::Small)
2666                                    .icon_color(if has_notes_notification {
2667                                        Color::Default
2668                                    } else {
2669                                        Color::Muted
2670                                    })
2671                                    .on_click(cx.listener(move |this, _, cx| {
2672                                        this.open_channel_notes(channel_id, cx)
2673                                    }))
2674                                    .tooltip(|cx| Tooltip::text("Open channel notes", cx))
2675                                    .visible_on_hover(""),
2676                            ),
2677                    ),
2678            )
2679            .tooltip({
2680                let channel_store = self.channel_store.clone();
2681                move |cx| {
2682                    cx.new_view(|_| JoinChannelTooltip {
2683                        channel_store: channel_store.clone(),
2684                        channel_id,
2685                        has_notes_notification,
2686                    })
2687                    .into()
2688                }
2689            })
2690    }
2691
2692    fn render_channel_editor(&self, depth: usize, _cx: &mut ViewContext<Self>) -> impl IntoElement {
2693        let item = ListItem::new("channel-editor")
2694            .inset(false)
2695            // Add one level of depth for the disclosure arrow.
2696            .indent_level(depth + 1)
2697            .indent_step_size(px(20.))
2698            .start_slot(
2699                Icon::new(IconName::Hash)
2700                    .size(IconSize::Small)
2701                    .color(Color::Muted),
2702            );
2703
2704        if let Some(pending_name) = self
2705            .channel_editing_state
2706            .as_ref()
2707            .and_then(|state| state.pending_name())
2708        {
2709            item.child(Label::new(pending_name))
2710        } else {
2711            item.child(self.channel_name_editor.clone())
2712        }
2713    }
2714}
2715
2716fn render_tree_branch(is_last: bool, overdraw: bool, cx: &mut WindowContext) -> impl IntoElement {
2717    let rem_size = cx.rem_size();
2718    let line_height = cx.text_style().line_height_in_pixels(rem_size);
2719    let width = rem_size * 1.5;
2720    let thickness = px(1.);
2721    let color = cx.theme().colors().text;
2722
2723    canvas(move |bounds, cx| {
2724        let start_x = (bounds.left() + bounds.right() - thickness) / 2.;
2725        let start_y = (bounds.top() + bounds.bottom() - thickness) / 2.;
2726        let right = bounds.right();
2727        let top = bounds.top();
2728
2729        cx.paint_quad(fill(
2730            Bounds::from_corners(
2731                point(start_x, top),
2732                point(
2733                    start_x + thickness,
2734                    if is_last {
2735                        start_y
2736                    } else {
2737                        bounds.bottom() + if overdraw { px(1.) } else { px(0.) }
2738                    },
2739                ),
2740            ),
2741            color,
2742        ));
2743        cx.paint_quad(fill(
2744            Bounds::from_corners(point(start_x, start_y), point(right, start_y + thickness)),
2745            color,
2746        ));
2747    })
2748    .w(width)
2749    .h(line_height)
2750}
2751
2752impl Render for CollabPanel {
2753    fn render(&mut self, cx: &mut ViewContext<Self>) -> impl IntoElement {
2754        v_flex()
2755            .key_context("CollabPanel")
2756            .on_action(cx.listener(CollabPanel::cancel))
2757            .on_action(cx.listener(CollabPanel::select_next))
2758            .on_action(cx.listener(CollabPanel::select_prev))
2759            .on_action(cx.listener(CollabPanel::confirm))
2760            .on_action(cx.listener(CollabPanel::insert_space))
2761            .on_action(cx.listener(CollabPanel::remove_selected_channel))
2762            .on_action(cx.listener(CollabPanel::show_inline_context_menu))
2763            .on_action(cx.listener(CollabPanel::rename_selected_channel))
2764            .on_action(cx.listener(CollabPanel::collapse_selected_channel))
2765            .on_action(cx.listener(CollabPanel::expand_selected_channel))
2766            .on_action(cx.listener(CollabPanel::start_move_selected_channel))
2767            .track_focus(&self.focus_handle)
2768            .size_full()
2769            .child(if self.user_store.read(cx).current_user().is_none() {
2770                self.render_signed_out(cx)
2771            } else {
2772                self.render_signed_in(cx)
2773            })
2774            .children(self.context_menu.as_ref().map(|(menu, position, _)| {
2775                overlay()
2776                    .position(*position)
2777                    .anchor(gpui::AnchorCorner::TopLeft)
2778                    .child(menu.clone())
2779            }))
2780    }
2781}
2782
2783impl EventEmitter<PanelEvent> for CollabPanel {}
2784
2785impl Panel for CollabPanel {
2786    fn position(&self, cx: &gpui::WindowContext) -> DockPosition {
2787        CollaborationPanelSettings::get_global(cx).dock
2788    }
2789
2790    fn position_is_valid(&self, position: DockPosition) -> bool {
2791        matches!(position, DockPosition::Left | DockPosition::Right)
2792    }
2793
2794    fn set_position(&mut self, position: DockPosition, cx: &mut ViewContext<Self>) {
2795        settings::update_settings_file::<CollaborationPanelSettings>(
2796            self.fs.clone(),
2797            cx,
2798            move |settings| settings.dock = Some(position),
2799        );
2800    }
2801
2802    fn size(&self, cx: &gpui::WindowContext) -> Pixels {
2803        self.width
2804            .unwrap_or_else(|| CollaborationPanelSettings::get_global(cx).default_width)
2805    }
2806
2807    fn set_size(&mut self, size: Option<Pixels>, cx: &mut ViewContext<Self>) {
2808        self.width = size;
2809        self.serialize(cx);
2810        cx.notify();
2811    }
2812
2813    fn icon(&self, cx: &gpui::WindowContext) -> Option<ui::IconName> {
2814        CollaborationPanelSettings::get_global(cx)
2815            .button
2816            .then(|| ui::IconName::Collab)
2817    }
2818
2819    fn icon_tooltip(&self, _cx: &WindowContext) -> Option<&'static str> {
2820        Some("Collab Panel")
2821    }
2822
2823    fn toggle_action(&self) -> Box<dyn gpui::Action> {
2824        Box::new(ToggleFocus)
2825    }
2826
2827    fn persistent_name() -> &'static str {
2828        "CollabPanel"
2829    }
2830}
2831
2832impl FocusableView for CollabPanel {
2833    fn focus_handle(&self, cx: &AppContext) -> gpui::FocusHandle {
2834        self.filter_editor.focus_handle(cx).clone()
2835    }
2836}
2837
2838impl PartialEq for ListEntry {
2839    fn eq(&self, other: &Self) -> bool {
2840        match self {
2841            ListEntry::Header(section_1) => {
2842                if let ListEntry::Header(section_2) = other {
2843                    return section_1 == section_2;
2844                }
2845            }
2846            ListEntry::CallParticipant { user: user_1, .. } => {
2847                if let ListEntry::CallParticipant { user: user_2, .. } = other {
2848                    return user_1.id == user_2.id;
2849                }
2850            }
2851            ListEntry::ParticipantProject {
2852                project_id: project_id_1,
2853                ..
2854            } => {
2855                if let ListEntry::ParticipantProject {
2856                    project_id: project_id_2,
2857                    ..
2858                } = other
2859                {
2860                    return project_id_1 == project_id_2;
2861                }
2862            }
2863            ListEntry::ParticipantScreen {
2864                peer_id: peer_id_1, ..
2865            } => {
2866                if let ListEntry::ParticipantScreen {
2867                    peer_id: peer_id_2, ..
2868                } = other
2869                {
2870                    return peer_id_1 == peer_id_2;
2871                }
2872            }
2873            ListEntry::Channel {
2874                channel: channel_1, ..
2875            } => {
2876                if let ListEntry::Channel {
2877                    channel: channel_2, ..
2878                } = other
2879                {
2880                    return channel_1.id == channel_2.id;
2881                }
2882            }
2883            ListEntry::HostedProject { id, .. } => {
2884                if let ListEntry::HostedProject { id: other_id, .. } = other {
2885                    return id == other_id;
2886                }
2887            }
2888            ListEntry::ChannelNotes { channel_id } => {
2889                if let ListEntry::ChannelNotes {
2890                    channel_id: other_id,
2891                } = other
2892                {
2893                    return channel_id == other_id;
2894                }
2895            }
2896            ListEntry::ChannelChat { channel_id } => {
2897                if let ListEntry::ChannelChat {
2898                    channel_id: other_id,
2899                } = other
2900                {
2901                    return channel_id == other_id;
2902                }
2903            }
2904            ListEntry::ChannelInvite(channel_1) => {
2905                if let ListEntry::ChannelInvite(channel_2) = other {
2906                    return channel_1.id == channel_2.id;
2907                }
2908            }
2909            ListEntry::IncomingRequest(user_1) => {
2910                if let ListEntry::IncomingRequest(user_2) = other {
2911                    return user_1.id == user_2.id;
2912                }
2913            }
2914            ListEntry::OutgoingRequest(user_1) => {
2915                if let ListEntry::OutgoingRequest(user_2) = other {
2916                    return user_1.id == user_2.id;
2917                }
2918            }
2919            ListEntry::Contact {
2920                contact: contact_1, ..
2921            } => {
2922                if let ListEntry::Contact {
2923                    contact: contact_2, ..
2924                } = other
2925                {
2926                    return contact_1.user.id == contact_2.user.id;
2927                }
2928            }
2929            ListEntry::ChannelEditor { depth } => {
2930                if let ListEntry::ChannelEditor { depth: other_depth } = other {
2931                    return depth == other_depth;
2932                }
2933            }
2934            ListEntry::ContactPlaceholder => {
2935                if let ListEntry::ContactPlaceholder = other {
2936                    return true;
2937                }
2938            }
2939        }
2940        false
2941    }
2942}
2943
2944struct DraggedChannelView {
2945    channel: Channel,
2946    width: Pixels,
2947}
2948
2949impl Render for DraggedChannelView {
2950    fn render(&mut self, cx: &mut ViewContext<Self>) -> impl Element {
2951        let ui_font = ThemeSettings::get_global(cx).ui_font.family.clone();
2952        h_flex()
2953            .font(ui_font)
2954            .bg(cx.theme().colors().background)
2955            .w(self.width)
2956            .p_1()
2957            .gap_1()
2958            .child(
2959                Icon::new(
2960                    if self.channel.visibility == proto::ChannelVisibility::Public {
2961                        IconName::Public
2962                    } else {
2963                        IconName::Hash
2964                    },
2965                )
2966                .size(IconSize::Small)
2967                .color(Color::Muted),
2968            )
2969            .child(Label::new(self.channel.name.clone()))
2970    }
2971}
2972
2973struct JoinChannelTooltip {
2974    channel_store: Model<ChannelStore>,
2975    channel_id: ChannelId,
2976    has_notes_notification: bool,
2977}
2978
2979impl Render for JoinChannelTooltip {
2980    fn render(&mut self, cx: &mut ViewContext<Self>) -> impl IntoElement {
2981        tooltip_container(cx, |container, cx| {
2982            let participants = self
2983                .channel_store
2984                .read(cx)
2985                .channel_participants(self.channel_id);
2986
2987            container
2988                .child(Label::new("Join channel"))
2989                .children(self.has_notes_notification.then(|| {
2990                    h_flex()
2991                        .gap_2()
2992                        .child(Indicator::dot().color(Color::Info))
2993                        .child(Label::new("Unread notes"))
2994                }))
2995                .children(participants.iter().map(|participant| {
2996                    h_flex()
2997                        .gap_2()
2998                        .child(Avatar::new(participant.avatar_uri.clone()))
2999                        .child(Label::new(participant.github_login.clone()))
3000                }))
3001        })
3002    }
3003}