collab_panel.rs

   1mod channel_modal;
   2mod contact_finder;
   3
   4use self::channel_modal::ChannelModal;
   5use crate::{
   6    channel_view::ChannelView, chat_panel::ChatPanel, face_pile::FacePile,
   7    CollaborationPanelSettings,
   8};
   9use call::ActiveCall;
  10use channel::{Channel, ChannelEvent, ChannelStore};
  11use client::{ChannelId, Client, Contact, ProjectId, User, UserStore};
  12use contact_finder::ContactFinder;
  13use db::kvp::KEY_VALUE_STORE;
  14use editor::{Editor, EditorElement, EditorStyle};
  15use fuzzy::{match_strings, StringMatchCandidate};
  16use gpui::{
  17    actions, anchored, canvas, deferred, div, fill, list, point, prelude::*, px, AnyElement,
  18    AppContext, AsyncWindowContext, Bounds, ClickEvent, ClipboardItem, DismissEvent, Div,
  19    EventEmitter, FocusHandle, FocusableView, FontStyle, FontWeight, InteractiveElement,
  20    IntoElement, ListOffset, ListState, Model, MouseDownEvent, ParentElement, Pixels, Point,
  21    PromptLevel, Render, SharedString, Styled, Subscription, Task, TextStyle, View, ViewContext,
  22    VisualContext, WeakView, WhiteSpace,
  23};
  24use menu::{Cancel, Confirm, SecondaryConfirm, SelectNext, SelectPrev};
  25use project::{Fs, Project};
  26use rpc::{
  27    proto::{self, ChannelVisibility, PeerId},
  28    ErrorCode, ErrorExt,
  29};
  30use serde_derive::{Deserialize, Serialize};
  31use settings::Settings;
  32use smallvec::SmallVec;
  33use std::{mem, sync::Arc};
  34use theme::{ActiveTheme, ThemeSettings};
  35use ui::{
  36    prelude::*, tooltip_container, Avatar, AvatarAvailabilityIndicator, Button, Color, ContextMenu,
  37    Icon, IconButton, IconName, IconSize, Indicator, Label, ListHeader, ListItem, Tooltip,
  38};
  39use util::{maybe, ResultExt, TryFutureExt};
  40use workspace::{
  41    dock::{DockPosition, Panel, PanelEvent},
  42    notifications::{DetachAndPromptErr, NotifyResultExt, NotifyTaskExt},
  43    OpenChannelNotes, Workspace,
  44};
  45
  46actions!(
  47    collab_panel,
  48    [
  49        ToggleFocus,
  50        Remove,
  51        Secondary,
  52        CollapseSelectedChannel,
  53        ExpandSelectedChannel,
  54        StartMoveChannel,
  55        MoveSelected,
  56        InsertSpace,
  57    ]
  58);
  59
  60#[derive(Debug, Copy, Clone, PartialEq, Eq)]
  61struct ChannelMoveClipboard {
  62    channel_id: ChannelId,
  63}
  64
  65const COLLABORATION_PANEL_KEY: &str = "CollaborationPanel";
  66
  67pub fn init(cx: &mut AppContext) {
  68    cx.observe_new_views(|workspace: &mut Workspace, _| {
  69        workspace.register_action(|workspace, _: &ToggleFocus, cx| {
  70            workspace.toggle_panel_focus::<CollabPanel>(cx);
  71        });
  72        workspace.register_action(|_, _: &OpenChannelNotes, cx| {
  73            let channel_id = ActiveCall::global(cx)
  74                .read(cx)
  75                .room()
  76                .and_then(|room| room.read(cx).channel_id());
  77
  78            if let Some(channel_id) = channel_id {
  79                let workspace = cx.view().clone();
  80                cx.window_context().defer(move |cx| {
  81                    ChannelView::open(channel_id, None, workspace, cx).detach_and_log_err(cx)
  82                });
  83            }
  84        });
  85    })
  86    .detach();
  87}
  88
  89#[derive(Debug)]
  90pub enum ChannelEditingState {
  91    Create {
  92        location: Option<ChannelId>,
  93        pending_name: Option<String>,
  94    },
  95    Rename {
  96        location: ChannelId,
  97        pending_name: Option<String>,
  98    },
  99}
 100
 101impl ChannelEditingState {
 102    fn pending_name(&self) -> Option<String> {
 103        match self {
 104            ChannelEditingState::Create { pending_name, .. } => pending_name.clone(),
 105            ChannelEditingState::Rename { pending_name, .. } => pending_name.clone(),
 106        }
 107    }
 108}
 109
 110pub struct CollabPanel {
 111    width: Option<Pixels>,
 112    fs: Arc<dyn Fs>,
 113    focus_handle: FocusHandle,
 114    channel_clipboard: Option<ChannelMoveClipboard>,
 115    pending_serialization: Task<Option<()>>,
 116    context_menu: Option<(View<ContextMenu>, Point<Pixels>, Subscription)>,
 117    list_state: ListState,
 118    filter_editor: View<Editor>,
 119    channel_name_editor: View<Editor>,
 120    channel_editing_state: Option<ChannelEditingState>,
 121    entries: Vec<ListEntry>,
 122    selection: Option<usize>,
 123    channel_store: Model<ChannelStore>,
 124    user_store: Model<UserStore>,
 125    client: Arc<Client>,
 126    project: Model<Project>,
 127    match_candidates: Vec<StringMatchCandidate>,
 128    subscriptions: Vec<Subscription>,
 129    collapsed_sections: Vec<Section>,
 130    collapsed_channels: Vec<ChannelId>,
 131    workspace: WeakView<Workspace>,
 132}
 133
 134#[derive(Serialize, Deserialize)]
 135struct SerializedCollabPanel {
 136    width: Option<Pixels>,
 137    collapsed_channels: Option<Vec<u64>>,
 138}
 139
 140#[derive(Clone, Copy, PartialEq, Eq, Debug, PartialOrd, Ord)]
 141enum Section {
 142    ActiveCall,
 143    Channels,
 144    ChannelInvites,
 145    ContactRequests,
 146    Contacts,
 147    Online,
 148    Offline,
 149}
 150
 151#[derive(Clone, Debug)]
 152enum ListEntry {
 153    Header(Section),
 154    CallParticipant {
 155        user: Arc<User>,
 156        peer_id: Option<PeerId>,
 157        is_pending: bool,
 158        role: proto::ChannelRole,
 159    },
 160    ParticipantProject {
 161        project_id: u64,
 162        worktree_root_names: Vec<String>,
 163        host_user_id: u64,
 164        is_last: bool,
 165    },
 166    ParticipantScreen {
 167        peer_id: Option<PeerId>,
 168        is_last: bool,
 169    },
 170    IncomingRequest(Arc<User>),
 171    OutgoingRequest(Arc<User>),
 172    ChannelInvite(Arc<Channel>),
 173    Channel {
 174        channel: Arc<Channel>,
 175        depth: usize,
 176        has_children: bool,
 177    },
 178    ChannelNotes {
 179        channel_id: ChannelId,
 180    },
 181    ChannelChat {
 182        channel_id: ChannelId,
 183    },
 184    ChannelEditor {
 185        depth: usize,
 186    },
 187    HostedProject {
 188        id: ProjectId,
 189        name: SharedString,
 190    },
 191    Contact {
 192        contact: Arc<Contact>,
 193        calling: bool,
 194    },
 195    ContactPlaceholder,
 196}
 197
 198impl CollabPanel {
 199    pub fn new(workspace: &mut Workspace, cx: &mut ViewContext<Workspace>) -> View<Self> {
 200        cx.new_view(|cx| {
 201            let filter_editor = cx.new_view(|cx| {
 202                let mut editor = Editor::single_line(cx);
 203                editor.set_placeholder_text("Filter...", cx);
 204                editor
 205            });
 206
 207            cx.subscribe(&filter_editor, |this: &mut Self, _, event, cx| {
 208                if let editor::EditorEvent::BufferEdited = event {
 209                    let query = this.filter_editor.read(cx).text(cx);
 210                    if !query.is_empty() {
 211                        this.selection.take();
 212                    }
 213                    this.update_entries(true, cx);
 214                    if !query.is_empty() {
 215                        this.selection = this
 216                            .entries
 217                            .iter()
 218                            .position(|entry| !matches!(entry, ListEntry::Header(_)));
 219                    }
 220                }
 221            })
 222            .detach();
 223
 224            let channel_name_editor = cx.new_view(|cx| Editor::single_line(cx));
 225
 226            cx.subscribe(&channel_name_editor, |this: &mut Self, _, event, cx| {
 227                if let editor::EditorEvent::Blurred = event {
 228                    if let Some(state) = &this.channel_editing_state {
 229                        if state.pending_name().is_some() {
 230                            return;
 231                        }
 232                    }
 233                    this.take_editing_state(cx);
 234                    this.update_entries(false, cx);
 235                    cx.notify();
 236                }
 237            })
 238            .detach();
 239
 240            let view = cx.view().downgrade();
 241            let list_state =
 242                ListState::new(0, gpui::ListAlignment::Top, px(1000.), move |ix, cx| {
 243                    if let Some(view) = view.upgrade() {
 244                        view.update(cx, |view, cx| view.render_list_entry(ix, cx))
 245                    } else {
 246                        div().into_any()
 247                    }
 248                });
 249
 250            let mut this = Self {
 251                width: None,
 252                focus_handle: cx.focus_handle(),
 253                channel_clipboard: None,
 254                fs: workspace.app_state().fs.clone(),
 255                pending_serialization: Task::ready(None),
 256                context_menu: None,
 257                list_state,
 258                channel_name_editor,
 259                filter_editor,
 260                entries: Vec::default(),
 261                channel_editing_state: None,
 262                selection: None,
 263                channel_store: ChannelStore::global(cx),
 264                user_store: workspace.user_store().clone(),
 265                project: workspace.project().clone(),
 266                subscriptions: Vec::default(),
 267                match_candidates: Vec::default(),
 268                collapsed_sections: vec![Section::Offline],
 269                collapsed_channels: Vec::default(),
 270                workspace: workspace.weak_handle(),
 271                client: workspace.app_state().client.clone(),
 272            };
 273
 274            this.update_entries(false, cx);
 275
 276            let active_call = ActiveCall::global(cx);
 277            this.subscriptions
 278                .push(cx.observe(&this.user_store, |this, _, cx| {
 279                    this.update_entries(true, cx)
 280                }));
 281            this.subscriptions
 282                .push(cx.observe(&this.channel_store, move |this, _, cx| {
 283                    this.update_entries(true, cx)
 284                }));
 285            this.subscriptions
 286                .push(cx.observe(&active_call, |this, _, cx| this.update_entries(true, cx)));
 287            this.subscriptions.push(cx.subscribe(
 288                &this.channel_store,
 289                |this, _channel_store, e, cx| match e {
 290                    ChannelEvent::ChannelCreated(channel_id)
 291                    | ChannelEvent::ChannelRenamed(channel_id) => {
 292                        if this.take_editing_state(cx) {
 293                            this.update_entries(false, cx);
 294                            this.selection = this.entries.iter().position(|entry| {
 295                                if let ListEntry::Channel { channel, .. } = entry {
 296                                    channel.id == *channel_id
 297                                } else {
 298                                    false
 299                                }
 300                            });
 301                        }
 302                    }
 303                },
 304            ));
 305
 306            this
 307        })
 308    }
 309
 310    pub async fn load(
 311        workspace: WeakView<Workspace>,
 312        mut cx: AsyncWindowContext,
 313    ) -> anyhow::Result<View<Self>> {
 314        let serialized_panel = cx
 315            .background_executor()
 316            .spawn(async move { KEY_VALUE_STORE.read_kvp(COLLABORATION_PANEL_KEY) })
 317            .await
 318            .map_err(|_| anyhow::anyhow!("Failed to read collaboration panel from key value store"))
 319            .log_err()
 320            .flatten()
 321            .map(|panel| serde_json::from_str::<SerializedCollabPanel>(&panel))
 322            .transpose()
 323            .log_err()
 324            .flatten();
 325
 326        workspace.update(&mut cx, |workspace, cx| {
 327            let panel = CollabPanel::new(workspace, cx);
 328            if let Some(serialized_panel) = serialized_panel {
 329                panel.update(cx, |panel, cx| {
 330                    panel.width = serialized_panel.width.map(|w| w.round());
 331                    panel.collapsed_channels = serialized_panel
 332                        .collapsed_channels
 333                        .unwrap_or_else(|| Vec::new())
 334                        .iter()
 335                        .map(|cid| ChannelId(*cid))
 336                        .collect();
 337                    cx.notify();
 338                });
 339            }
 340            panel
 341        })
 342    }
 343
 344    fn serialize(&mut self, cx: &mut ViewContext<Self>) {
 345        let width = self.width;
 346        let collapsed_channels = self.collapsed_channels.clone();
 347        self.pending_serialization = cx.background_executor().spawn(
 348            async move {
 349                KEY_VALUE_STORE
 350                    .write_kvp(
 351                        COLLABORATION_PANEL_KEY.into(),
 352                        serde_json::to_string(&SerializedCollabPanel {
 353                            width,
 354                            collapsed_channels: Some(
 355                                collapsed_channels.iter().map(|cid| cid.0).collect(),
 356                            ),
 357                        })?,
 358                    )
 359                    .await?;
 360                anyhow::Ok(())
 361            }
 362            .log_err(),
 363        );
 364    }
 365
 366    fn scroll_to_item(&mut self, ix: usize) {
 367        self.list_state.scroll_to_reveal_item(ix)
 368    }
 369
 370    fn update_entries(&mut self, select_same_item: bool, cx: &mut ViewContext<Self>) {
 371        let channel_store = self.channel_store.read(cx);
 372        let user_store = self.user_store.read(cx);
 373        let query = self.filter_editor.read(cx).text(cx);
 374        let executor = cx.background_executor().clone();
 375
 376        let prev_selected_entry = self.selection.and_then(|ix| self.entries.get(ix).cloned());
 377        let old_entries = mem::take(&mut self.entries);
 378        let mut scroll_to_top = false;
 379
 380        if let Some(room) = ActiveCall::global(cx).read(cx).room() {
 381            self.entries.push(ListEntry::Header(Section::ActiveCall));
 382            if !old_entries
 383                .iter()
 384                .any(|entry| matches!(entry, ListEntry::Header(Section::ActiveCall)))
 385            {
 386                scroll_to_top = true;
 387            }
 388
 389            if !self.collapsed_sections.contains(&Section::ActiveCall) {
 390                let room = room.read(cx);
 391
 392                if query.is_empty() {
 393                    if let Some(channel_id) = room.channel_id() {
 394                        self.entries.push(ListEntry::ChannelNotes { channel_id });
 395                        self.entries.push(ListEntry::ChannelChat { channel_id });
 396                    }
 397                }
 398
 399                // Populate the active user.
 400                if let Some(user) = user_store.current_user() {
 401                    self.match_candidates.clear();
 402                    self.match_candidates.push(StringMatchCandidate {
 403                        id: 0,
 404                        string: user.github_login.clone(),
 405                        char_bag: user.github_login.chars().collect(),
 406                    });
 407                    let matches = executor.block(match_strings(
 408                        &self.match_candidates,
 409                        &query,
 410                        true,
 411                        usize::MAX,
 412                        &Default::default(),
 413                        executor.clone(),
 414                    ));
 415                    if !matches.is_empty() {
 416                        let user_id = user.id;
 417                        self.entries.push(ListEntry::CallParticipant {
 418                            user,
 419                            peer_id: None,
 420                            is_pending: false,
 421                            role: room.local_participant().role,
 422                        });
 423                        let mut projects = room.local_participant().projects.iter().peekable();
 424                        while let Some(project) = projects.next() {
 425                            self.entries.push(ListEntry::ParticipantProject {
 426                                project_id: project.id,
 427                                worktree_root_names: project.worktree_root_names.clone(),
 428                                host_user_id: user_id,
 429                                is_last: projects.peek().is_none() && !room.is_screen_sharing(),
 430                            });
 431                        }
 432                        if room.is_screen_sharing() {
 433                            self.entries.push(ListEntry::ParticipantScreen {
 434                                peer_id: None,
 435                                is_last: true,
 436                            });
 437                        }
 438                    }
 439                }
 440
 441                // Populate remote participants.
 442                self.match_candidates.clear();
 443                self.match_candidates
 444                    .extend(room.remote_participants().values().map(|participant| {
 445                        StringMatchCandidate {
 446                            id: participant.user.id as usize,
 447                            string: participant.user.github_login.clone(),
 448                            char_bag: participant.user.github_login.chars().collect(),
 449                        }
 450                    }));
 451                let mut matches = executor.block(match_strings(
 452                    &self.match_candidates,
 453                    &query,
 454                    true,
 455                    usize::MAX,
 456                    &Default::default(),
 457                    executor.clone(),
 458                ));
 459                matches.sort_by(|a, b| {
 460                    let a_is_guest = room.role_for_user(a.candidate_id as u64)
 461                        == Some(proto::ChannelRole::Guest);
 462                    let b_is_guest = room.role_for_user(b.candidate_id as u64)
 463                        == Some(proto::ChannelRole::Guest);
 464                    a_is_guest
 465                        .cmp(&b_is_guest)
 466                        .then_with(|| a.string.cmp(&b.string))
 467                });
 468                for mat in matches {
 469                    let user_id = mat.candidate_id as u64;
 470                    let participant = &room.remote_participants()[&user_id];
 471                    self.entries.push(ListEntry::CallParticipant {
 472                        user: participant.user.clone(),
 473                        peer_id: Some(participant.peer_id),
 474                        is_pending: false,
 475                        role: participant.role,
 476                    });
 477                    let mut projects = participant.projects.iter().peekable();
 478                    while let Some(project) = projects.next() {
 479                        self.entries.push(ListEntry::ParticipantProject {
 480                            project_id: project.id,
 481                            worktree_root_names: project.worktree_root_names.clone(),
 482                            host_user_id: participant.user.id,
 483                            is_last: projects.peek().is_none()
 484                                && participant.video_tracks.is_empty(),
 485                        });
 486                    }
 487                    if !participant.video_tracks.is_empty() {
 488                        self.entries.push(ListEntry::ParticipantScreen {
 489                            peer_id: Some(participant.peer_id),
 490                            is_last: true,
 491                        });
 492                    }
 493                }
 494
 495                // Populate pending participants.
 496                self.match_candidates.clear();
 497                self.match_candidates
 498                    .extend(room.pending_participants().iter().enumerate().map(
 499                        |(id, participant)| StringMatchCandidate {
 500                            id,
 501                            string: participant.github_login.clone(),
 502                            char_bag: participant.github_login.chars().collect(),
 503                        },
 504                    ));
 505                let matches = executor.block(match_strings(
 506                    &self.match_candidates,
 507                    &query,
 508                    true,
 509                    usize::MAX,
 510                    &Default::default(),
 511                    executor.clone(),
 512                ));
 513                self.entries
 514                    .extend(matches.iter().map(|mat| ListEntry::CallParticipant {
 515                        user: room.pending_participants()[mat.candidate_id].clone(),
 516                        peer_id: None,
 517                        is_pending: true,
 518                        role: proto::ChannelRole::Member,
 519                    }));
 520            }
 521        }
 522
 523        let mut request_entries = Vec::new();
 524
 525        self.entries.push(ListEntry::Header(Section::Channels));
 526
 527        if channel_store.channel_count() > 0 || self.channel_editing_state.is_some() {
 528            self.match_candidates.clear();
 529            self.match_candidates
 530                .extend(
 531                    channel_store
 532                        .ordered_channels()
 533                        .enumerate()
 534                        .map(|(ix, (_, channel))| StringMatchCandidate {
 535                            id: ix,
 536                            string: channel.name.clone().into(),
 537                            char_bag: channel.name.chars().collect(),
 538                        }),
 539                );
 540            let matches = executor.block(match_strings(
 541                &self.match_candidates,
 542                &query,
 543                true,
 544                usize::MAX,
 545                &Default::default(),
 546                executor.clone(),
 547            ));
 548            if let Some(state) = &self.channel_editing_state {
 549                if matches!(state, ChannelEditingState::Create { location: None, .. }) {
 550                    self.entries.push(ListEntry::ChannelEditor { depth: 0 });
 551                }
 552            }
 553            let mut collapse_depth = None;
 554            for mat in matches {
 555                let channel = channel_store.channel_at_index(mat.candidate_id).unwrap();
 556                let depth = channel.parent_path.len();
 557
 558                if collapse_depth.is_none() && self.is_channel_collapsed(channel.id) {
 559                    collapse_depth = Some(depth);
 560                } else if let Some(collapsed_depth) = collapse_depth {
 561                    if depth > collapsed_depth {
 562                        continue;
 563                    }
 564                    if self.is_channel_collapsed(channel.id) {
 565                        collapse_depth = Some(depth);
 566                    } else {
 567                        collapse_depth = None;
 568                    }
 569                }
 570
 571                let hosted_projects = channel_store.projects_for_id(channel.id);
 572                let has_children = channel_store
 573                    .channel_at_index(mat.candidate_id + 1)
 574                    .map_or(false, |next_channel| {
 575                        next_channel.parent_path.ends_with(&[channel.id])
 576                    });
 577
 578                match &self.channel_editing_state {
 579                    Some(ChannelEditingState::Create {
 580                        location: parent_id,
 581                        ..
 582                    }) if *parent_id == Some(channel.id) => {
 583                        self.entries.push(ListEntry::Channel {
 584                            channel: channel.clone(),
 585                            depth,
 586                            has_children: false,
 587                        });
 588                        self.entries
 589                            .push(ListEntry::ChannelEditor { depth: depth + 1 });
 590                    }
 591                    Some(ChannelEditingState::Rename {
 592                        location: parent_id,
 593                        ..
 594                    }) if parent_id == &channel.id => {
 595                        self.entries.push(ListEntry::ChannelEditor { depth });
 596                    }
 597                    _ => {
 598                        self.entries.push(ListEntry::Channel {
 599                            channel: channel.clone(),
 600                            depth,
 601                            has_children,
 602                        });
 603                    }
 604                }
 605
 606                for (name, id) in hosted_projects {
 607                    self.entries.push(ListEntry::HostedProject { id, name });
 608                }
 609            }
 610        }
 611
 612        let channel_invites = channel_store.channel_invitations();
 613        if !channel_invites.is_empty() {
 614            self.match_candidates.clear();
 615            self.match_candidates
 616                .extend(channel_invites.iter().enumerate().map(|(ix, channel)| {
 617                    StringMatchCandidate {
 618                        id: ix,
 619                        string: channel.name.clone().into(),
 620                        char_bag: channel.name.chars().collect(),
 621                    }
 622                }));
 623            let matches = executor.block(match_strings(
 624                &self.match_candidates,
 625                &query,
 626                true,
 627                usize::MAX,
 628                &Default::default(),
 629                executor.clone(),
 630            ));
 631            request_entries.extend(
 632                matches
 633                    .iter()
 634                    .map(|mat| ListEntry::ChannelInvite(channel_invites[mat.candidate_id].clone())),
 635            );
 636
 637            if !request_entries.is_empty() {
 638                self.entries
 639                    .push(ListEntry::Header(Section::ChannelInvites));
 640                if !self.collapsed_sections.contains(&Section::ChannelInvites) {
 641                    self.entries.append(&mut request_entries);
 642                }
 643            }
 644        }
 645
 646        self.entries.push(ListEntry::Header(Section::Contacts));
 647
 648        request_entries.clear();
 649        let incoming = user_store.incoming_contact_requests();
 650        if !incoming.is_empty() {
 651            self.match_candidates.clear();
 652            self.match_candidates
 653                .extend(
 654                    incoming
 655                        .iter()
 656                        .enumerate()
 657                        .map(|(ix, user)| StringMatchCandidate {
 658                            id: ix,
 659                            string: user.github_login.clone(),
 660                            char_bag: user.github_login.chars().collect(),
 661                        }),
 662                );
 663            let matches = executor.block(match_strings(
 664                &self.match_candidates,
 665                &query,
 666                true,
 667                usize::MAX,
 668                &Default::default(),
 669                executor.clone(),
 670            ));
 671            request_entries.extend(
 672                matches
 673                    .iter()
 674                    .map(|mat| ListEntry::IncomingRequest(incoming[mat.candidate_id].clone())),
 675            );
 676        }
 677
 678        let outgoing = user_store.outgoing_contact_requests();
 679        if !outgoing.is_empty() {
 680            self.match_candidates.clear();
 681            self.match_candidates
 682                .extend(
 683                    outgoing
 684                        .iter()
 685                        .enumerate()
 686                        .map(|(ix, user)| StringMatchCandidate {
 687                            id: ix,
 688                            string: user.github_login.clone(),
 689                            char_bag: user.github_login.chars().collect(),
 690                        }),
 691                );
 692            let matches = executor.block(match_strings(
 693                &self.match_candidates,
 694                &query,
 695                true,
 696                usize::MAX,
 697                &Default::default(),
 698                executor.clone(),
 699            ));
 700            request_entries.extend(
 701                matches
 702                    .iter()
 703                    .map(|mat| ListEntry::OutgoingRequest(outgoing[mat.candidate_id].clone())),
 704            );
 705        }
 706
 707        if !request_entries.is_empty() {
 708            self.entries
 709                .push(ListEntry::Header(Section::ContactRequests));
 710            if !self.collapsed_sections.contains(&Section::ContactRequests) {
 711                self.entries.append(&mut request_entries);
 712            }
 713        }
 714
 715        let contacts = user_store.contacts();
 716        if !contacts.is_empty() {
 717            self.match_candidates.clear();
 718            self.match_candidates
 719                .extend(
 720                    contacts
 721                        .iter()
 722                        .enumerate()
 723                        .map(|(ix, contact)| StringMatchCandidate {
 724                            id: ix,
 725                            string: contact.user.github_login.clone(),
 726                            char_bag: contact.user.github_login.chars().collect(),
 727                        }),
 728                );
 729
 730            let matches = executor.block(match_strings(
 731                &self.match_candidates,
 732                &query,
 733                true,
 734                usize::MAX,
 735                &Default::default(),
 736                executor.clone(),
 737            ));
 738
 739            let (online_contacts, offline_contacts) = matches
 740                .iter()
 741                .partition::<Vec<_>, _>(|mat| contacts[mat.candidate_id].online);
 742
 743            for (matches, section) in [
 744                (online_contacts, Section::Online),
 745                (offline_contacts, Section::Offline),
 746            ] {
 747                if !matches.is_empty() {
 748                    self.entries.push(ListEntry::Header(section));
 749                    if !self.collapsed_sections.contains(&section) {
 750                        let active_call = &ActiveCall::global(cx).read(cx);
 751                        for mat in matches {
 752                            let contact = &contacts[mat.candidate_id];
 753                            self.entries.push(ListEntry::Contact {
 754                                contact: contact.clone(),
 755                                calling: active_call.pending_invites().contains(&contact.user.id),
 756                            });
 757                        }
 758                    }
 759                }
 760            }
 761        }
 762
 763        if incoming.is_empty() && outgoing.is_empty() && contacts.is_empty() {
 764            self.entries.push(ListEntry::ContactPlaceholder);
 765        }
 766
 767        if select_same_item {
 768            if let Some(prev_selected_entry) = prev_selected_entry {
 769                self.selection.take();
 770                for (ix, entry) in self.entries.iter().enumerate() {
 771                    if *entry == prev_selected_entry {
 772                        self.selection = Some(ix);
 773                        break;
 774                    }
 775                }
 776            }
 777        } else {
 778            self.selection = self.selection.and_then(|prev_selection| {
 779                if self.entries.is_empty() {
 780                    None
 781                } else {
 782                    Some(prev_selection.min(self.entries.len() - 1))
 783                }
 784            });
 785        }
 786
 787        let old_scroll_top = self.list_state.logical_scroll_top();
 788        self.list_state.reset(self.entries.len());
 789
 790        if scroll_to_top {
 791            self.list_state.scroll_to(ListOffset::default());
 792        } else {
 793            // Attempt to maintain the same scroll position.
 794            if let Some(old_top_entry) = old_entries.get(old_scroll_top.item_ix) {
 795                let new_scroll_top = self
 796                    .entries
 797                    .iter()
 798                    .position(|entry| entry == old_top_entry)
 799                    .map(|item_ix| ListOffset {
 800                        item_ix,
 801                        offset_in_item: old_scroll_top.offset_in_item,
 802                    })
 803                    .or_else(|| {
 804                        let entry_after_old_top = old_entries.get(old_scroll_top.item_ix + 1)?;
 805                        let item_ix = self
 806                            .entries
 807                            .iter()
 808                            .position(|entry| entry == entry_after_old_top)?;
 809                        Some(ListOffset {
 810                            item_ix,
 811                            offset_in_item: Pixels::ZERO,
 812                        })
 813                    })
 814                    .or_else(|| {
 815                        let entry_before_old_top =
 816                            old_entries.get(old_scroll_top.item_ix.saturating_sub(1))?;
 817                        let item_ix = self
 818                            .entries
 819                            .iter()
 820                            .position(|entry| entry == entry_before_old_top)?;
 821                        Some(ListOffset {
 822                            item_ix,
 823                            offset_in_item: Pixels::ZERO,
 824                        })
 825                    });
 826
 827                self.list_state
 828                    .scroll_to(new_scroll_top.unwrap_or(old_scroll_top));
 829            }
 830        }
 831
 832        cx.notify();
 833    }
 834
 835    fn render_call_participant(
 836        &self,
 837        user: &Arc<User>,
 838        peer_id: Option<PeerId>,
 839        is_pending: bool,
 840        role: proto::ChannelRole,
 841        is_selected: bool,
 842        cx: &mut ViewContext<Self>,
 843    ) -> ListItem {
 844        let user_id = user.id;
 845        let is_current_user =
 846            self.user_store.read(cx).current_user().map(|user| user.id) == Some(user_id);
 847        let tooltip = format!("Follow {}", user.github_login);
 848
 849        let is_call_admin = ActiveCall::global(cx).read(cx).room().is_some_and(|room| {
 850            room.read(cx).local_participant().role == proto::ChannelRole::Admin
 851        });
 852
 853        ListItem::new(SharedString::from(user.github_login.clone()))
 854            .start_slot(Avatar::new(user.avatar_uri.clone()))
 855            .child(Label::new(user.github_login.clone()))
 856            .selected(is_selected)
 857            .end_slot(if is_pending {
 858                Label::new("Calling").color(Color::Muted).into_any_element()
 859            } else if is_current_user {
 860                IconButton::new("leave-call", IconName::Exit)
 861                    .style(ButtonStyle::Subtle)
 862                    .on_click(move |_, cx| Self::leave_call(cx))
 863                    .tooltip(|cx| Tooltip::text("Leave Call", cx))
 864                    .into_any_element()
 865            } else if role == proto::ChannelRole::Guest {
 866                Label::new("Guest").color(Color::Muted).into_any_element()
 867            } else if role == proto::ChannelRole::Talker {
 868                Label::new("Mic only")
 869                    .color(Color::Muted)
 870                    .into_any_element()
 871            } else {
 872                div().into_any_element()
 873            })
 874            .when_some(peer_id, |el, peer_id| {
 875                if role == proto::ChannelRole::Guest {
 876                    return el;
 877                }
 878                el.tooltip(move |cx| Tooltip::text(tooltip.clone(), cx))
 879                    .on_click(cx.listener(move |this, _, cx| {
 880                        this.workspace
 881                            .update(cx, |workspace, cx| workspace.follow(peer_id, cx))
 882                            .ok();
 883                    }))
 884            })
 885            .when(is_call_admin, |el| {
 886                el.on_secondary_mouse_down(cx.listener(move |this, event: &MouseDownEvent, cx| {
 887                    this.deploy_participant_context_menu(event.position, user_id, role, cx)
 888                }))
 889            })
 890    }
 891
 892    fn render_participant_project(
 893        &self,
 894        project_id: u64,
 895        worktree_root_names: &[String],
 896        host_user_id: u64,
 897        is_last: bool,
 898        is_selected: bool,
 899        cx: &mut ViewContext<Self>,
 900    ) -> impl IntoElement {
 901        let project_name: SharedString = if worktree_root_names.is_empty() {
 902            "untitled".to_string()
 903        } else {
 904            worktree_root_names.join(", ")
 905        }
 906        .into();
 907
 908        ListItem::new(project_id as usize)
 909            .selected(is_selected)
 910            .on_click(cx.listener(move |this, _, cx| {
 911                this.workspace
 912                    .update(cx, |workspace, cx| {
 913                        let app_state = workspace.app_state().clone();
 914                        workspace::join_in_room_project(project_id, host_user_id, app_state, cx)
 915                            .detach_and_prompt_err("Failed to join project", cx, |_, _| None);
 916                    })
 917                    .ok();
 918            }))
 919            .start_slot(
 920                h_flex()
 921                    .gap_1()
 922                    .child(render_tree_branch(is_last, false, cx))
 923                    .child(IconButton::new(0, IconName::Folder)),
 924            )
 925            .child(Label::new(project_name.clone()))
 926            .tooltip(move |cx| Tooltip::text(format!("Open {}", project_name), cx))
 927    }
 928
 929    fn render_participant_screen(
 930        &self,
 931        peer_id: Option<PeerId>,
 932        is_last: bool,
 933        is_selected: bool,
 934        cx: &mut ViewContext<Self>,
 935    ) -> impl IntoElement {
 936        let id = peer_id.map_or(usize::MAX, |id| id.as_u64() as usize);
 937
 938        ListItem::new(("screen", id))
 939            .selected(is_selected)
 940            .start_slot(
 941                h_flex()
 942                    .gap_1()
 943                    .child(render_tree_branch(is_last, false, cx))
 944                    .child(IconButton::new(0, IconName::Screen)),
 945            )
 946            .child(Label::new("Screen"))
 947            .when_some(peer_id, |this, _| {
 948                this.on_click(cx.listener(move |this, _, cx| {
 949                    this.workspace
 950                        .update(cx, |workspace, cx| {
 951                            workspace.open_shared_screen(peer_id.unwrap(), cx)
 952                        })
 953                        .ok();
 954                }))
 955                .tooltip(move |cx| Tooltip::text("Open shared screen", cx))
 956            })
 957    }
 958
 959    fn take_editing_state(&mut self, cx: &mut ViewContext<Self>) -> bool {
 960        if let Some(_) = self.channel_editing_state.take() {
 961            self.channel_name_editor.update(cx, |editor, cx| {
 962                editor.set_text("", cx);
 963            });
 964            true
 965        } else {
 966            false
 967        }
 968    }
 969
 970    fn render_channel_notes(
 971        &self,
 972        channel_id: ChannelId,
 973        is_selected: bool,
 974        cx: &mut ViewContext<Self>,
 975    ) -> impl IntoElement {
 976        let channel_store = self.channel_store.read(cx);
 977        let has_channel_buffer_changed = channel_store.has_channel_buffer_changed(channel_id);
 978        ListItem::new("channel-notes")
 979            .selected(is_selected)
 980            .on_click(cx.listener(move |this, _, cx| {
 981                this.open_channel_notes(channel_id, cx);
 982            }))
 983            .start_slot(
 984                h_flex()
 985                    .relative()
 986                    .gap_1()
 987                    .child(render_tree_branch(false, true, cx))
 988                    .child(IconButton::new(0, IconName::File))
 989                    .children(has_channel_buffer_changed.then(|| {
 990                        div()
 991                            .w_1p5()
 992                            .absolute()
 993                            .right(px(2.))
 994                            .top(px(2.))
 995                            .child(Indicator::dot().color(Color::Info))
 996                    })),
 997            )
 998            .child(Label::new("notes"))
 999            .tooltip(move |cx| Tooltip::text("Open Channel Notes", cx))
1000    }
1001
1002    fn render_channel_chat(
1003        &self,
1004        channel_id: ChannelId,
1005        is_selected: bool,
1006        cx: &mut ViewContext<Self>,
1007    ) -> impl IntoElement {
1008        let channel_store = self.channel_store.read(cx);
1009        let has_messages_notification = channel_store.has_new_messages(channel_id);
1010        ListItem::new("channel-chat")
1011            .selected(is_selected)
1012            .on_click(cx.listener(move |this, _, cx| {
1013                this.join_channel_chat(channel_id, cx);
1014            }))
1015            .start_slot(
1016                h_flex()
1017                    .relative()
1018                    .gap_1()
1019                    .child(render_tree_branch(false, false, cx))
1020                    .child(IconButton::new(0, IconName::MessageBubbles))
1021                    .children(has_messages_notification.then(|| {
1022                        div()
1023                            .w_1p5()
1024                            .absolute()
1025                            .right(px(2.))
1026                            .top(px(4.))
1027                            .child(Indicator::dot().color(Color::Info))
1028                    })),
1029            )
1030            .child(Label::new("chat"))
1031            .tooltip(move |cx| Tooltip::text("Open Chat", cx))
1032    }
1033
1034    fn render_channel_project(
1035        &self,
1036        id: ProjectId,
1037        name: &SharedString,
1038        is_selected: bool,
1039        cx: &mut ViewContext<Self>,
1040    ) -> impl IntoElement {
1041        ListItem::new(ElementId::NamedInteger(
1042            "channel-project".into(),
1043            id.0 as usize,
1044        ))
1045        .indent_level(2)
1046        .indent_step_size(px(20.))
1047        .selected(is_selected)
1048        .on_click(cx.listener(move |this, _, cx| {
1049            if let Some(workspace) = this.workspace.upgrade() {
1050                let app_state = workspace.read(cx).app_state().clone();
1051                workspace::join_hosted_project(id, app_state, cx).detach_and_prompt_err(
1052                    "Failed to open project",
1053                    cx,
1054                    |_, _| None,
1055                )
1056            }
1057        }))
1058        .start_slot(
1059            h_flex()
1060                .relative()
1061                .gap_1()
1062                .child(IconButton::new(0, IconName::FileTree)),
1063        )
1064        .child(Label::new(name.clone()))
1065        .tooltip(move |cx| Tooltip::text("Open Project", cx))
1066    }
1067
1068    fn has_subchannels(&self, ix: usize) -> bool {
1069        self.entries.get(ix).map_or(false, |entry| {
1070            if let ListEntry::Channel { has_children, .. } = entry {
1071                *has_children
1072            } else {
1073                false
1074            }
1075        })
1076    }
1077
1078    fn deploy_participant_context_menu(
1079        &mut self,
1080        position: Point<Pixels>,
1081        user_id: u64,
1082        role: proto::ChannelRole,
1083        cx: &mut ViewContext<Self>,
1084    ) {
1085        let this = cx.view().clone();
1086        if !(role == proto::ChannelRole::Guest
1087            || role == proto::ChannelRole::Talker
1088            || role == proto::ChannelRole::Member)
1089        {
1090            return;
1091        }
1092
1093        let context_menu = ContextMenu::build(cx, |mut context_menu, cx| {
1094            if role == proto::ChannelRole::Guest {
1095                context_menu = context_menu.entry(
1096                    "Grant Mic Access",
1097                    None,
1098                    cx.handler_for(&this, move |_, cx| {
1099                        ActiveCall::global(cx)
1100                            .update(cx, |call, cx| {
1101                                let Some(room) = call.room() else {
1102                                    return Task::ready(Ok(()));
1103                                };
1104                                room.update(cx, |room, cx| {
1105                                    room.set_participant_role(
1106                                        user_id,
1107                                        proto::ChannelRole::Talker,
1108                                        cx,
1109                                    )
1110                                })
1111                            })
1112                            .detach_and_prompt_err("Failed to grant mic access", cx, |_, _| None)
1113                    }),
1114                );
1115            }
1116            if role == proto::ChannelRole::Guest || role == proto::ChannelRole::Talker {
1117                context_menu = context_menu.entry(
1118                    "Grant Write Access",
1119                    None,
1120                    cx.handler_for(&this, move |_, cx| {
1121                        ActiveCall::global(cx)
1122                            .update(cx, |call, cx| {
1123                                let Some(room) = call.room() else {
1124                                    return Task::ready(Ok(()));
1125                                };
1126                                room.update(cx, |room, cx| {
1127                                    room.set_participant_role(
1128                                        user_id,
1129                                        proto::ChannelRole::Member,
1130                                        cx,
1131                                    )
1132                                })
1133                            })
1134                            .detach_and_prompt_err("Failed to grant write access", cx, |e, _| {
1135                                match e.error_code() {
1136                                    ErrorCode::NeedsCla => Some("This user has not yet signed the CLA at https://zed.dev/cla.".into()),
1137                                    _ => None,
1138                                }
1139                            })
1140                    }),
1141                );
1142            }
1143            if role == proto::ChannelRole::Member || role == proto::ChannelRole::Talker {
1144                let label = if role == proto::ChannelRole::Talker {
1145                    "Mute"
1146                } else {
1147                    "Revoke Access"
1148                };
1149                context_menu = context_menu.entry(
1150                    label,
1151                    None,
1152                    cx.handler_for(&this, move |_, cx| {
1153                        ActiveCall::global(cx)
1154                            .update(cx, |call, cx| {
1155                                let Some(room) = call.room() else {
1156                                    return Task::ready(Ok(()));
1157                                };
1158                                room.update(cx, |room, cx| {
1159                                    room.set_participant_role(
1160                                        user_id,
1161                                        proto::ChannelRole::Guest,
1162                                        cx,
1163                                    )
1164                                })
1165                            })
1166                            .detach_and_prompt_err("Failed to revoke access", cx, |_, _| None)
1167                    }),
1168                );
1169            }
1170
1171            context_menu
1172        });
1173
1174        cx.focus_view(&context_menu);
1175        let subscription =
1176            cx.subscribe(&context_menu, |this, _, _: &DismissEvent, cx| {
1177                if this.context_menu.as_ref().is_some_and(|context_menu| {
1178                    context_menu.0.focus_handle(cx).contains_focused(cx)
1179                }) {
1180                    cx.focus_self();
1181                }
1182                this.context_menu.take();
1183                cx.notify();
1184            });
1185        self.context_menu = Some((context_menu, position, subscription));
1186    }
1187
1188    fn deploy_channel_context_menu(
1189        &mut self,
1190        position: Point<Pixels>,
1191        channel_id: ChannelId,
1192        ix: usize,
1193        cx: &mut ViewContext<Self>,
1194    ) {
1195        let clipboard_channel_name = self.channel_clipboard.as_ref().and_then(|clipboard| {
1196            self.channel_store
1197                .read(cx)
1198                .channel_for_id(clipboard.channel_id)
1199                .map(|channel| channel.name.clone())
1200        });
1201        let this = cx.view().clone();
1202
1203        let context_menu = ContextMenu::build(cx, |mut context_menu, cx| {
1204            if self.has_subchannels(ix) {
1205                let expand_action_name = if self.is_channel_collapsed(channel_id) {
1206                    "Expand Subchannels"
1207                } else {
1208                    "Collapse Subchannels"
1209                };
1210                context_menu = context_menu.entry(
1211                    expand_action_name,
1212                    None,
1213                    cx.handler_for(&this, move |this, cx| {
1214                        this.toggle_channel_collapsed(channel_id, cx)
1215                    }),
1216                );
1217            }
1218
1219            context_menu = context_menu
1220                .entry(
1221                    "Open Notes",
1222                    None,
1223                    cx.handler_for(&this, move |this, cx| {
1224                        this.open_channel_notes(channel_id, cx)
1225                    }),
1226                )
1227                .entry(
1228                    "Open Chat",
1229                    None,
1230                    cx.handler_for(&this, move |this, cx| {
1231                        this.join_channel_chat(channel_id, cx)
1232                    }),
1233                )
1234                .entry(
1235                    "Copy Channel Link",
1236                    None,
1237                    cx.handler_for(&this, move |this, cx| {
1238                        this.copy_channel_link(channel_id, cx)
1239                    }),
1240                );
1241
1242            let mut has_destructive_actions = false;
1243            if self.channel_store.read(cx).is_channel_admin(channel_id) {
1244                has_destructive_actions = true;
1245                context_menu = context_menu
1246                    .separator()
1247                    .entry(
1248                        "New Subchannel",
1249                        None,
1250                        cx.handler_for(&this, move |this, cx| this.new_subchannel(channel_id, cx)),
1251                    )
1252                    .entry(
1253                        "Rename",
1254                        Some(Box::new(SecondaryConfirm)),
1255                        cx.handler_for(&this, move |this, cx| this.rename_channel(channel_id, cx)),
1256                    );
1257
1258                if let Some(channel_name) = clipboard_channel_name {
1259                    context_menu = context_menu.separator().entry(
1260                        format!("Move '#{}' here", channel_name),
1261                        None,
1262                        cx.handler_for(&this, move |this, cx| {
1263                            this.move_channel_on_clipboard(channel_id, cx)
1264                        }),
1265                    );
1266                }
1267
1268                if self.channel_store.read(cx).is_root_channel(channel_id) {
1269                    context_menu = context_menu.separator().entry(
1270                        "Manage Members",
1271                        None,
1272                        cx.handler_for(&this, move |this, cx| this.manage_members(channel_id, cx)),
1273                    )
1274                } else {
1275                    context_menu = context_menu.entry(
1276                        "Move this channel",
1277                        None,
1278                        cx.handler_for(&this, move |this, cx| {
1279                            this.start_move_channel(channel_id, cx)
1280                        }),
1281                    );
1282                    if self.channel_store.read(cx).is_public_channel(channel_id) {
1283                        context_menu = context_menu.separator().entry(
1284                            "Make Channel Private",
1285                            None,
1286                            cx.handler_for(&this, move |this, cx| {
1287                                this.set_channel_visibility(
1288                                    channel_id,
1289                                    ChannelVisibility::Members,
1290                                    cx,
1291                                )
1292                            }),
1293                        )
1294                    } else {
1295                        context_menu = context_menu.separator().entry(
1296                            "Make Channel Public",
1297                            None,
1298                            cx.handler_for(&this, move |this, cx| {
1299                                this.set_channel_visibility(
1300                                    channel_id,
1301                                    ChannelVisibility::Public,
1302                                    cx,
1303                                )
1304                            }),
1305                        )
1306                    }
1307                }
1308
1309                context_menu = context_menu.entry(
1310                    "Delete",
1311                    None,
1312                    cx.handler_for(&this, move |this, cx| this.remove_channel(channel_id, cx)),
1313                );
1314            }
1315
1316            if self.channel_store.read(cx).is_root_channel(channel_id) {
1317                if !has_destructive_actions {
1318                    context_menu = context_menu.separator()
1319                }
1320                context_menu = context_menu.entry(
1321                    "Leave Channel",
1322                    None,
1323                    cx.handler_for(&this, move |this, cx| this.leave_channel(channel_id, cx)),
1324                );
1325            }
1326
1327            context_menu
1328        });
1329
1330        cx.focus_view(&context_menu);
1331        let subscription =
1332            cx.subscribe(&context_menu, |this, _, _: &DismissEvent, cx| {
1333                if this.context_menu.as_ref().is_some_and(|context_menu| {
1334                    context_menu.0.focus_handle(cx).contains_focused(cx)
1335                }) {
1336                    cx.focus_self();
1337                }
1338                this.context_menu.take();
1339                cx.notify();
1340            });
1341        self.context_menu = Some((context_menu, position, subscription));
1342
1343        cx.notify();
1344    }
1345
1346    fn deploy_contact_context_menu(
1347        &mut self,
1348        position: Point<Pixels>,
1349        contact: Arc<Contact>,
1350        cx: &mut ViewContext<Self>,
1351    ) {
1352        let this = cx.view().clone();
1353        let in_room = ActiveCall::global(cx).read(cx).room().is_some();
1354
1355        let context_menu = ContextMenu::build(cx, |mut context_menu, _| {
1356            let user_id = contact.user.id;
1357
1358            if contact.online && !contact.busy {
1359                let label = if in_room {
1360                    format!("Invite {} to join", contact.user.github_login)
1361                } else {
1362                    format!("Call {}", contact.user.github_login)
1363                };
1364                context_menu = context_menu.entry(label, None, {
1365                    let this = this.clone();
1366                    move |cx| {
1367                        this.update(cx, |this, cx| {
1368                            this.call(user_id, cx);
1369                        });
1370                    }
1371                });
1372            }
1373
1374            context_menu.entry("Remove Contact", None, {
1375                let this = this.clone();
1376                move |cx| {
1377                    this.update(cx, |this, cx| {
1378                        this.remove_contact(contact.user.id, &contact.user.github_login, cx);
1379                    });
1380                }
1381            })
1382        });
1383
1384        cx.focus_view(&context_menu);
1385        let subscription =
1386            cx.subscribe(&context_menu, |this, _, _: &DismissEvent, cx| {
1387                if this.context_menu.as_ref().is_some_and(|context_menu| {
1388                    context_menu.0.focus_handle(cx).contains_focused(cx)
1389                }) {
1390                    cx.focus_self();
1391                }
1392                this.context_menu.take();
1393                cx.notify();
1394            });
1395        self.context_menu = Some((context_menu, position, subscription));
1396
1397        cx.notify();
1398    }
1399
1400    fn cancel(&mut self, _: &Cancel, cx: &mut ViewContext<Self>) {
1401        if self.take_editing_state(cx) {
1402            cx.focus_view(&self.filter_editor);
1403        } else {
1404            self.filter_editor.update(cx, |editor, cx| {
1405                if editor.buffer().read(cx).len(cx) > 0 {
1406                    editor.set_text("", cx);
1407                }
1408            });
1409        }
1410
1411        if self.context_menu.is_some() {
1412            self.context_menu.take();
1413            cx.notify();
1414        }
1415
1416        self.update_entries(false, cx);
1417    }
1418
1419    fn select_next(&mut self, _: &SelectNext, cx: &mut ViewContext<Self>) {
1420        let ix = self.selection.map_or(0, |ix| ix + 1);
1421        if ix < self.entries.len() {
1422            self.selection = Some(ix);
1423        }
1424
1425        if let Some(ix) = self.selection {
1426            self.scroll_to_item(ix)
1427        }
1428        cx.notify();
1429    }
1430
1431    fn select_prev(&mut self, _: &SelectPrev, cx: &mut ViewContext<Self>) {
1432        let ix = self.selection.take().unwrap_or(0);
1433        if ix > 0 {
1434            self.selection = Some(ix - 1);
1435        }
1436
1437        if let Some(ix) = self.selection {
1438            self.scroll_to_item(ix)
1439        }
1440        cx.notify();
1441    }
1442
1443    fn confirm(&mut self, _: &Confirm, cx: &mut ViewContext<Self>) {
1444        if self.confirm_channel_edit(cx) {
1445            return;
1446        }
1447
1448        if let Some(selection) = self.selection {
1449            if let Some(entry) = self.entries.get(selection) {
1450                match entry {
1451                    ListEntry::Header(section) => match section {
1452                        Section::ActiveCall => Self::leave_call(cx),
1453                        Section::Channels => self.new_root_channel(cx),
1454                        Section::Contacts => self.toggle_contact_finder(cx),
1455                        Section::ContactRequests
1456                        | Section::Online
1457                        | Section::Offline
1458                        | Section::ChannelInvites => {
1459                            self.toggle_section_expanded(*section, cx);
1460                        }
1461                    },
1462                    ListEntry::Contact { contact, calling } => {
1463                        if contact.online && !contact.busy && !calling {
1464                            self.call(contact.user.id, cx);
1465                        }
1466                    }
1467                    ListEntry::ParticipantProject {
1468                        project_id,
1469                        host_user_id,
1470                        ..
1471                    } => {
1472                        if let Some(workspace) = self.workspace.upgrade() {
1473                            let app_state = workspace.read(cx).app_state().clone();
1474                            workspace::join_in_room_project(
1475                                *project_id,
1476                                *host_user_id,
1477                                app_state,
1478                                cx,
1479                            )
1480                            .detach_and_prompt_err(
1481                                "Failed to join project",
1482                                cx,
1483                                |_, _| None,
1484                            );
1485                        }
1486                    }
1487                    ListEntry::ParticipantScreen { peer_id, .. } => {
1488                        let Some(peer_id) = peer_id else {
1489                            return;
1490                        };
1491                        if let Some(workspace) = self.workspace.upgrade() {
1492                            workspace.update(cx, |workspace, cx| {
1493                                workspace.open_shared_screen(*peer_id, cx)
1494                            });
1495                        }
1496                    }
1497                    ListEntry::Channel { channel, .. } => {
1498                        let is_active = maybe!({
1499                            let call_channel = ActiveCall::global(cx)
1500                                .read(cx)
1501                                .room()?
1502                                .read(cx)
1503                                .channel_id()?;
1504
1505                            Some(call_channel == channel.id)
1506                        })
1507                        .unwrap_or(false);
1508                        if is_active {
1509                            self.open_channel_notes(channel.id, cx)
1510                        } else {
1511                            self.join_channel(channel.id, cx)
1512                        }
1513                    }
1514                    ListEntry::ContactPlaceholder => self.toggle_contact_finder(cx),
1515                    ListEntry::CallParticipant { user, peer_id, .. } => {
1516                        if Some(user) == self.user_store.read(cx).current_user().as_ref() {
1517                            Self::leave_call(cx);
1518                        } else if let Some(peer_id) = peer_id {
1519                            self.workspace
1520                                .update(cx, |workspace, cx| workspace.follow(*peer_id, cx))
1521                                .ok();
1522                        }
1523                    }
1524                    ListEntry::IncomingRequest(user) => {
1525                        self.respond_to_contact_request(user.id, true, cx)
1526                    }
1527                    ListEntry::ChannelInvite(channel) => {
1528                        self.respond_to_channel_invite(channel.id, true, cx)
1529                    }
1530                    ListEntry::ChannelNotes { channel_id } => {
1531                        self.open_channel_notes(*channel_id, cx)
1532                    }
1533                    ListEntry::ChannelChat { channel_id } => {
1534                        self.join_channel_chat(*channel_id, cx)
1535                    }
1536                    ListEntry::HostedProject {
1537                        id: _id,
1538                        name: _name,
1539                    } => {
1540                        // todo()
1541                    }
1542                    ListEntry::OutgoingRequest(_) => {}
1543                    ListEntry::ChannelEditor { .. } => {}
1544                }
1545            }
1546        }
1547    }
1548
1549    fn insert_space(&mut self, _: &InsertSpace, cx: &mut ViewContext<Self>) {
1550        if self.channel_editing_state.is_some() {
1551            self.channel_name_editor.update(cx, |editor, cx| {
1552                editor.insert(" ", cx);
1553            });
1554        }
1555    }
1556
1557    fn confirm_channel_edit(&mut self, cx: &mut ViewContext<CollabPanel>) -> bool {
1558        if let Some(editing_state) = &mut self.channel_editing_state {
1559            match editing_state {
1560                ChannelEditingState::Create {
1561                    location,
1562                    pending_name,
1563                    ..
1564                } => {
1565                    if pending_name.is_some() {
1566                        return false;
1567                    }
1568                    let channel_name = self.channel_name_editor.read(cx).text(cx);
1569
1570                    *pending_name = Some(channel_name.clone());
1571
1572                    self.channel_store
1573                        .update(cx, |channel_store, cx| {
1574                            channel_store.create_channel(&channel_name, *location, cx)
1575                        })
1576                        .detach();
1577                    cx.notify();
1578                }
1579                ChannelEditingState::Rename {
1580                    location,
1581                    pending_name,
1582                } => {
1583                    if pending_name.is_some() {
1584                        return false;
1585                    }
1586                    let channel_name = self.channel_name_editor.read(cx).text(cx);
1587                    *pending_name = Some(channel_name.clone());
1588
1589                    self.channel_store
1590                        .update(cx, |channel_store, cx| {
1591                            channel_store.rename(*location, &channel_name, cx)
1592                        })
1593                        .detach();
1594                    cx.notify();
1595                }
1596            }
1597            cx.focus_self();
1598            true
1599        } else {
1600            false
1601        }
1602    }
1603
1604    fn toggle_section_expanded(&mut self, section: Section, cx: &mut ViewContext<Self>) {
1605        if let Some(ix) = self.collapsed_sections.iter().position(|s| *s == section) {
1606            self.collapsed_sections.remove(ix);
1607        } else {
1608            self.collapsed_sections.push(section);
1609        }
1610        self.update_entries(false, cx);
1611    }
1612
1613    fn collapse_selected_channel(
1614        &mut self,
1615        _: &CollapseSelectedChannel,
1616        cx: &mut ViewContext<Self>,
1617    ) {
1618        let Some(channel_id) = self.selected_channel().map(|channel| channel.id) else {
1619            return;
1620        };
1621
1622        if self.is_channel_collapsed(channel_id) {
1623            return;
1624        }
1625
1626        self.toggle_channel_collapsed(channel_id, cx);
1627    }
1628
1629    fn expand_selected_channel(&mut self, _: &ExpandSelectedChannel, cx: &mut ViewContext<Self>) {
1630        let Some(id) = self.selected_channel().map(|channel| channel.id) else {
1631            return;
1632        };
1633
1634        if !self.is_channel_collapsed(id) {
1635            return;
1636        }
1637
1638        self.toggle_channel_collapsed(id, cx)
1639    }
1640
1641    fn toggle_channel_collapsed(&mut self, channel_id: ChannelId, cx: &mut ViewContext<Self>) {
1642        match self.collapsed_channels.binary_search(&channel_id) {
1643            Ok(ix) => {
1644                self.collapsed_channels.remove(ix);
1645            }
1646            Err(ix) => {
1647                self.collapsed_channels.insert(ix, channel_id);
1648            }
1649        };
1650        self.serialize(cx);
1651        self.update_entries(true, cx);
1652        cx.notify();
1653        cx.focus_self();
1654    }
1655
1656    fn is_channel_collapsed(&self, channel_id: ChannelId) -> bool {
1657        self.collapsed_channels.binary_search(&channel_id).is_ok()
1658    }
1659
1660    fn leave_call(cx: &mut WindowContext) {
1661        ActiveCall::global(cx)
1662            .update(cx, |call, cx| call.hang_up(cx))
1663            .detach_and_prompt_err("Failed to hang up", cx, |_, _| None);
1664    }
1665
1666    fn toggle_contact_finder(&mut self, cx: &mut ViewContext<Self>) {
1667        if let Some(workspace) = self.workspace.upgrade() {
1668            workspace.update(cx, |workspace, cx| {
1669                workspace.toggle_modal(cx, |cx| {
1670                    let mut finder = ContactFinder::new(self.user_store.clone(), cx);
1671                    finder.set_query(self.filter_editor.read(cx).text(cx), cx);
1672                    finder
1673                });
1674            });
1675        }
1676    }
1677
1678    fn new_root_channel(&mut self, cx: &mut ViewContext<Self>) {
1679        self.channel_editing_state = Some(ChannelEditingState::Create {
1680            location: None,
1681            pending_name: None,
1682        });
1683        self.update_entries(false, cx);
1684        self.select_channel_editor();
1685        cx.focus_view(&self.channel_name_editor);
1686        cx.notify();
1687    }
1688
1689    fn select_channel_editor(&mut self) {
1690        self.selection = self.entries.iter().position(|entry| match entry {
1691            ListEntry::ChannelEditor { .. } => true,
1692            _ => false,
1693        });
1694    }
1695
1696    fn new_subchannel(&mut self, channel_id: ChannelId, cx: &mut ViewContext<Self>) {
1697        self.collapsed_channels
1698            .retain(|channel| *channel != channel_id);
1699        self.channel_editing_state = Some(ChannelEditingState::Create {
1700            location: Some(channel_id),
1701            pending_name: None,
1702        });
1703        self.update_entries(false, cx);
1704        self.select_channel_editor();
1705        cx.focus_view(&self.channel_name_editor);
1706        cx.notify();
1707    }
1708
1709    fn manage_members(&mut self, channel_id: ChannelId, cx: &mut ViewContext<Self>) {
1710        self.show_channel_modal(channel_id, channel_modal::Mode::ManageMembers, cx);
1711    }
1712
1713    fn remove_selected_channel(&mut self, _: &Remove, cx: &mut ViewContext<Self>) {
1714        if let Some(channel) = self.selected_channel() {
1715            self.remove_channel(channel.id, cx)
1716        }
1717    }
1718
1719    fn rename_selected_channel(&mut self, _: &SecondaryConfirm, cx: &mut ViewContext<Self>) {
1720        if let Some(channel) = self.selected_channel() {
1721            self.rename_channel(channel.id, cx);
1722        }
1723    }
1724
1725    fn rename_channel(&mut self, channel_id: ChannelId, cx: &mut ViewContext<Self>) {
1726        let channel_store = self.channel_store.read(cx);
1727        if !channel_store.is_channel_admin(channel_id) {
1728            return;
1729        }
1730        if let Some(channel) = channel_store.channel_for_id(channel_id).cloned() {
1731            self.channel_editing_state = Some(ChannelEditingState::Rename {
1732                location: channel_id,
1733                pending_name: None,
1734            });
1735            self.channel_name_editor.update(cx, |editor, cx| {
1736                editor.set_text(channel.name.clone(), cx);
1737                editor.select_all(&Default::default(), cx);
1738            });
1739            cx.focus_view(&self.channel_name_editor);
1740            self.update_entries(false, cx);
1741            self.select_channel_editor();
1742        }
1743    }
1744
1745    fn set_channel_visibility(
1746        &mut self,
1747        channel_id: ChannelId,
1748        visibility: ChannelVisibility,
1749        cx: &mut ViewContext<Self>,
1750    ) {
1751        self.channel_store
1752            .update(cx, |channel_store, cx| {
1753                channel_store.set_channel_visibility(channel_id, visibility, cx)
1754            })
1755            .detach_and_prompt_err("Failed to set channel visibility", cx, |e, _| match e.error_code() {
1756                ErrorCode::BadPublicNesting =>
1757                    if e.error_tag("direction") == Some("parent") {
1758                        Some("To make a channel public, its parent channel must be public.".to_string())
1759                    } else {
1760                        Some("To make a channel private, all of its subchannels must be private.".to_string())
1761                    },
1762                _ => None
1763            });
1764    }
1765
1766    fn start_move_channel(&mut self, channel_id: ChannelId, _cx: &mut ViewContext<Self>) {
1767        self.channel_clipboard = Some(ChannelMoveClipboard { channel_id });
1768    }
1769
1770    fn start_move_selected_channel(&mut self, _: &StartMoveChannel, cx: &mut ViewContext<Self>) {
1771        if let Some(channel) = self.selected_channel() {
1772            self.start_move_channel(channel.id, cx);
1773        }
1774    }
1775
1776    fn move_channel_on_clipboard(
1777        &mut self,
1778        to_channel_id: ChannelId,
1779        cx: &mut ViewContext<CollabPanel>,
1780    ) {
1781        if let Some(clipboard) = self.channel_clipboard.take() {
1782            self.move_channel(clipboard.channel_id, to_channel_id, cx)
1783        }
1784    }
1785
1786    fn move_channel(&self, channel_id: ChannelId, to: ChannelId, cx: &mut ViewContext<Self>) {
1787        self.channel_store
1788            .update(cx, |channel_store, cx| {
1789                channel_store.move_channel(channel_id, to, cx)
1790            })
1791            .detach_and_prompt_err("Failed to move channel", cx, |e, _| match e.error_code() {
1792                ErrorCode::BadPublicNesting => {
1793                    Some("Public channels must have public parents".into())
1794                }
1795                ErrorCode::CircularNesting => Some("You cannot move a channel into itself".into()),
1796                ErrorCode::WrongMoveTarget => {
1797                    Some("You cannot move a channel into a different root channel".into())
1798                }
1799                _ => None,
1800            })
1801    }
1802
1803    fn open_channel_notes(&mut self, channel_id: ChannelId, cx: &mut ViewContext<Self>) {
1804        if let Some(workspace) = self.workspace.upgrade() {
1805            ChannelView::open(channel_id, None, workspace, cx).detach();
1806        }
1807    }
1808
1809    fn show_inline_context_menu(&mut self, _: &menu::SecondaryConfirm, cx: &mut ViewContext<Self>) {
1810        let Some(bounds) = self
1811            .selection
1812            .and_then(|ix| self.list_state.bounds_for_item(ix))
1813        else {
1814            return;
1815        };
1816
1817        if let Some(channel) = self.selected_channel() {
1818            self.deploy_channel_context_menu(
1819                bounds.center(),
1820                channel.id,
1821                self.selection.unwrap(),
1822                cx,
1823            );
1824            cx.stop_propagation();
1825            return;
1826        };
1827
1828        if let Some(contact) = self.selected_contact() {
1829            self.deploy_contact_context_menu(bounds.center(), contact, cx);
1830            cx.stop_propagation();
1831            return;
1832        };
1833    }
1834
1835    fn selected_channel(&self) -> Option<&Arc<Channel>> {
1836        self.selection
1837            .and_then(|ix| self.entries.get(ix))
1838            .and_then(|entry| match entry {
1839                ListEntry::Channel { channel, .. } => Some(channel),
1840                _ => None,
1841            })
1842    }
1843
1844    fn selected_contact(&self) -> Option<Arc<Contact>> {
1845        self.selection
1846            .and_then(|ix| self.entries.get(ix))
1847            .and_then(|entry| match entry {
1848                ListEntry::Contact { contact, .. } => Some(contact.clone()),
1849                _ => None,
1850            })
1851    }
1852
1853    fn show_channel_modal(
1854        &mut self,
1855        channel_id: ChannelId,
1856        mode: channel_modal::Mode,
1857        cx: &mut ViewContext<Self>,
1858    ) {
1859        let workspace = self.workspace.clone();
1860        let user_store = self.user_store.clone();
1861        let channel_store = self.channel_store.clone();
1862        let members = self.channel_store.update(cx, |channel_store, cx| {
1863            channel_store.get_channel_member_details(channel_id, cx)
1864        });
1865
1866        cx.spawn(|_, mut cx| async move {
1867            let members = members.await?;
1868            workspace.update(&mut cx, |workspace, cx| {
1869                workspace.toggle_modal(cx, |cx| {
1870                    ChannelModal::new(
1871                        user_store.clone(),
1872                        channel_store.clone(),
1873                        channel_id,
1874                        mode,
1875                        members,
1876                        cx,
1877                    )
1878                });
1879            })
1880        })
1881        .detach();
1882    }
1883
1884    fn leave_channel(&self, channel_id: ChannelId, cx: &mut ViewContext<Self>) {
1885        let Some(user_id) = self.user_store.read(cx).current_user().map(|u| u.id) else {
1886            return;
1887        };
1888        let Some(channel) = self.channel_store.read(cx).channel_for_id(channel_id) else {
1889            return;
1890        };
1891        let prompt_message = format!("Are you sure you want to leave \"#{}\"?", channel.name);
1892        let answer = cx.prompt(
1893            PromptLevel::Warning,
1894            &prompt_message,
1895            None,
1896            &["Leave", "Cancel"],
1897        );
1898        cx.spawn(|this, mut cx| async move {
1899            if answer.await? != 0 {
1900                return Ok(());
1901            }
1902            this.update(&mut cx, |this, cx| {
1903                this.channel_store.update(cx, |channel_store, cx| {
1904                    channel_store.remove_member(channel_id, user_id, cx)
1905                })
1906            })?
1907            .await
1908        })
1909        .detach_and_prompt_err("Failed to leave channel", cx, |_, _| None)
1910    }
1911
1912    fn remove_channel(&mut self, channel_id: ChannelId, cx: &mut ViewContext<Self>) {
1913        let channel_store = self.channel_store.clone();
1914        if let Some(channel) = channel_store.read(cx).channel_for_id(channel_id) {
1915            let prompt_message = format!(
1916                "Are you sure you want to remove the channel \"{}\"?",
1917                channel.name
1918            );
1919            let answer = cx.prompt(
1920                PromptLevel::Warning,
1921                &prompt_message,
1922                None,
1923                &["Remove", "Cancel"],
1924            );
1925            cx.spawn(|this, mut cx| async move {
1926                if answer.await? == 0 {
1927                    channel_store
1928                        .update(&mut cx, |channels, _| channels.remove_channel(channel_id))?
1929                        .await
1930                        .notify_async_err(&mut cx);
1931                    this.update(&mut cx, |_, cx| cx.focus_self()).ok();
1932                }
1933                anyhow::Ok(())
1934            })
1935            .detach();
1936        }
1937    }
1938
1939    fn remove_contact(&mut self, user_id: u64, github_login: &str, cx: &mut ViewContext<Self>) {
1940        let user_store = self.user_store.clone();
1941        let prompt_message = format!(
1942            "Are you sure you want to remove \"{}\" from your contacts?",
1943            github_login
1944        );
1945        let answer = cx.prompt(
1946            PromptLevel::Warning,
1947            &prompt_message,
1948            None,
1949            &["Remove", "Cancel"],
1950        );
1951        cx.spawn(|_, mut cx| async move {
1952            if answer.await? == 0 {
1953                user_store
1954                    .update(&mut cx, |store, cx| store.remove_contact(user_id, cx))?
1955                    .await
1956                    .notify_async_err(&mut cx);
1957            }
1958            anyhow::Ok(())
1959        })
1960        .detach_and_prompt_err("Failed to remove contact", cx, |_, _| None);
1961    }
1962
1963    fn respond_to_contact_request(
1964        &mut self,
1965        user_id: u64,
1966        accept: bool,
1967        cx: &mut ViewContext<Self>,
1968    ) {
1969        self.user_store
1970            .update(cx, |store, cx| {
1971                store.respond_to_contact_request(user_id, accept, cx)
1972            })
1973            .detach_and_prompt_err("Failed to respond to contact request", cx, |_, _| None);
1974    }
1975
1976    fn respond_to_channel_invite(
1977        &mut self,
1978        channel_id: ChannelId,
1979        accept: bool,
1980        cx: &mut ViewContext<Self>,
1981    ) {
1982        self.channel_store
1983            .update(cx, |store, cx| {
1984                store.respond_to_channel_invite(channel_id, accept, cx)
1985            })
1986            .detach();
1987    }
1988
1989    fn call(&mut self, recipient_user_id: u64, cx: &mut ViewContext<Self>) {
1990        ActiveCall::global(cx)
1991            .update(cx, |call, cx| {
1992                call.invite(recipient_user_id, Some(self.project.clone()), cx)
1993            })
1994            .detach_and_prompt_err("Call failed", cx, |_, _| None);
1995    }
1996
1997    fn join_channel(&self, channel_id: ChannelId, cx: &mut ViewContext<Self>) {
1998        let Some(workspace) = self.workspace.upgrade() else {
1999            return;
2000        };
2001        let Some(handle) = cx.window_handle().downcast::<Workspace>() else {
2002            return;
2003        };
2004        workspace::join_channel(
2005            channel_id,
2006            workspace.read(cx).app_state().clone(),
2007            Some(handle),
2008            cx,
2009        )
2010        .detach_and_prompt_err("Failed to join channel", cx, |_, _| None)
2011    }
2012
2013    fn join_channel_chat(&mut self, channel_id: ChannelId, cx: &mut ViewContext<Self>) {
2014        let Some(workspace) = self.workspace.upgrade() else {
2015            return;
2016        };
2017        cx.window_context().defer(move |cx| {
2018            workspace.update(cx, |workspace, cx| {
2019                if let Some(panel) = workspace.focus_panel::<ChatPanel>(cx) {
2020                    panel.update(cx, |panel, cx| {
2021                        panel
2022                            .select_channel(channel_id, None, cx)
2023                            .detach_and_notify_err(cx);
2024                    });
2025                }
2026            });
2027        });
2028    }
2029
2030    fn copy_channel_link(&mut self, channel_id: ChannelId, cx: &mut ViewContext<Self>) {
2031        let channel_store = self.channel_store.read(cx);
2032        let Some(channel) = channel_store.channel_for_id(channel_id) else {
2033            return;
2034        };
2035        let item = ClipboardItem::new(channel.link(cx));
2036        cx.write_to_clipboard(item)
2037    }
2038
2039    fn render_signed_out(&mut self, cx: &mut ViewContext<Self>) -> Div {
2040        let collab_blurb = "Work with your team in realtime with collaborative editing, voice, shared notes and more.";
2041
2042        v_flex()
2043            .gap_6()
2044            .p_4()
2045            .child(Label::new(collab_blurb))
2046            .child(
2047                v_flex()
2048                    .gap_2()
2049                    .child(
2050                        Button::new("sign_in", "Sign in")
2051                            .icon_color(Color::Muted)
2052                            .icon(IconName::Github)
2053                            .icon_position(IconPosition::Start)
2054                            .style(ButtonStyle::Filled)
2055                            .full_width()
2056                            .on_click(cx.listener(|this, _, cx| {
2057                                let client = this.client.clone();
2058                                cx.spawn(|_, mut cx| async move {
2059                                    client
2060                                        .authenticate_and_connect(true, &cx)
2061                                        .await
2062                                        .notify_async_err(&mut cx);
2063                                })
2064                                .detach()
2065                            })),
2066                    )
2067                    .child(
2068                        div().flex().w_full().items_center().child(
2069                            Label::new("Sign in to enable collaboration.")
2070                                .color(Color::Muted)
2071                                .size(LabelSize::Small),
2072                        ),
2073                    ),
2074            )
2075    }
2076
2077    fn render_list_entry(&mut self, ix: usize, cx: &mut ViewContext<Self>) -> AnyElement {
2078        let entry = &self.entries[ix];
2079
2080        let is_selected = self.selection == Some(ix);
2081        match entry {
2082            ListEntry::Header(section) => {
2083                let is_collapsed = self.collapsed_sections.contains(section);
2084                self.render_header(*section, is_selected, is_collapsed, cx)
2085                    .into_any_element()
2086            }
2087            ListEntry::Contact { contact, calling } => self
2088                .render_contact(contact, *calling, is_selected, cx)
2089                .into_any_element(),
2090            ListEntry::ContactPlaceholder => self
2091                .render_contact_placeholder(is_selected, cx)
2092                .into_any_element(),
2093            ListEntry::IncomingRequest(user) => self
2094                .render_contact_request(user, true, is_selected, cx)
2095                .into_any_element(),
2096            ListEntry::OutgoingRequest(user) => self
2097                .render_contact_request(user, false, is_selected, cx)
2098                .into_any_element(),
2099            ListEntry::Channel {
2100                channel,
2101                depth,
2102                has_children,
2103            } => self
2104                .render_channel(channel, *depth, *has_children, is_selected, ix, cx)
2105                .into_any_element(),
2106            ListEntry::ChannelEditor { depth } => {
2107                self.render_channel_editor(*depth, cx).into_any_element()
2108            }
2109            ListEntry::ChannelInvite(channel) => self
2110                .render_channel_invite(channel, is_selected, cx)
2111                .into_any_element(),
2112            ListEntry::CallParticipant {
2113                user,
2114                peer_id,
2115                is_pending,
2116                role,
2117            } => self
2118                .render_call_participant(user, *peer_id, *is_pending, *role, is_selected, cx)
2119                .into_any_element(),
2120            ListEntry::ParticipantProject {
2121                project_id,
2122                worktree_root_names,
2123                host_user_id,
2124                is_last,
2125            } => self
2126                .render_participant_project(
2127                    *project_id,
2128                    &worktree_root_names,
2129                    *host_user_id,
2130                    *is_last,
2131                    is_selected,
2132                    cx,
2133                )
2134                .into_any_element(),
2135            ListEntry::ParticipantScreen { peer_id, is_last } => self
2136                .render_participant_screen(*peer_id, *is_last, is_selected, cx)
2137                .into_any_element(),
2138            ListEntry::ChannelNotes { channel_id } => self
2139                .render_channel_notes(*channel_id, is_selected, cx)
2140                .into_any_element(),
2141            ListEntry::ChannelChat { channel_id } => self
2142                .render_channel_chat(*channel_id, is_selected, cx)
2143                .into_any_element(),
2144
2145            ListEntry::HostedProject { id, name } => self
2146                .render_channel_project(*id, name, is_selected, cx)
2147                .into_any_element(),
2148        }
2149    }
2150
2151    fn render_signed_in(&mut self, cx: &mut ViewContext<Self>) -> Div {
2152        v_flex()
2153            .size_full()
2154            .child(list(self.list_state.clone()).size_full())
2155            .child(
2156                v_flex()
2157                    .child(div().mx_2().border_primary(cx).border_t_1())
2158                    .child(
2159                        v_flex()
2160                            .p_2()
2161                            .child(self.render_filter_input(&self.filter_editor, cx)),
2162                    ),
2163            )
2164    }
2165
2166    fn render_filter_input(
2167        &self,
2168        editor: &View<Editor>,
2169        cx: &mut ViewContext<Self>,
2170    ) -> impl IntoElement {
2171        let settings = ThemeSettings::get_global(cx);
2172        let text_style = TextStyle {
2173            color: if editor.read(cx).read_only(cx) {
2174                cx.theme().colors().text_disabled
2175            } else {
2176                cx.theme().colors().text
2177            },
2178            font_family: settings.ui_font.family.clone(),
2179            font_features: settings.ui_font.features.clone(),
2180            font_size: rems(0.875).into(),
2181            font_weight: FontWeight::NORMAL,
2182            font_style: FontStyle::Normal,
2183            line_height: relative(1.3),
2184            background_color: None,
2185            underline: None,
2186            strikethrough: None,
2187            white_space: WhiteSpace::Normal,
2188        };
2189
2190        EditorElement::new(
2191            editor,
2192            EditorStyle {
2193                local_player: cx.theme().players().local(),
2194                text: text_style,
2195                ..Default::default()
2196            },
2197        )
2198    }
2199
2200    fn render_header(
2201        &self,
2202        section: Section,
2203        is_selected: bool,
2204        is_collapsed: bool,
2205        cx: &ViewContext<Self>,
2206    ) -> impl IntoElement {
2207        let mut channel_link = None;
2208        let mut channel_tooltip_text = None;
2209        let mut channel_icon = None;
2210
2211        let text = match section {
2212            Section::ActiveCall => {
2213                let channel_name = maybe!({
2214                    let channel_id = ActiveCall::global(cx).read(cx).channel_id(cx)?;
2215
2216                    let channel = self.channel_store.read(cx).channel_for_id(channel_id)?;
2217
2218                    channel_link = Some(channel.link(cx));
2219                    (channel_icon, channel_tooltip_text) = match channel.visibility {
2220                        proto::ChannelVisibility::Public => {
2221                            (Some("icons/public.svg"), Some("Copy public channel link."))
2222                        }
2223                        proto::ChannelVisibility::Members => {
2224                            (Some("icons/hash.svg"), Some("Copy private channel link."))
2225                        }
2226                    };
2227
2228                    Some(channel.name.as_ref())
2229                });
2230
2231                if let Some(name) = channel_name {
2232                    SharedString::from(name.to_string())
2233                } else {
2234                    SharedString::from("Current Call")
2235                }
2236            }
2237            Section::ContactRequests => SharedString::from("Requests"),
2238            Section::Contacts => SharedString::from("Contacts"),
2239            Section::Channels => SharedString::from("Channels"),
2240            Section::ChannelInvites => SharedString::from("Invites"),
2241            Section::Online => SharedString::from("Online"),
2242            Section::Offline => SharedString::from("Offline"),
2243        };
2244
2245        let button = match section {
2246            Section::ActiveCall => channel_link.map(|channel_link| {
2247                let channel_link_copy = channel_link.clone();
2248                IconButton::new("channel-link", IconName::Copy)
2249                    .icon_size(IconSize::Small)
2250                    .size(ButtonSize::None)
2251                    .visible_on_hover("section-header")
2252                    .on_click(move |_, cx| {
2253                        let item = ClipboardItem::new(channel_link_copy.clone());
2254                        cx.write_to_clipboard(item)
2255                    })
2256                    .tooltip(|cx| Tooltip::text("Copy channel link", cx))
2257                    .into_any_element()
2258            }),
2259            Section::Contacts => Some(
2260                IconButton::new("add-contact", IconName::Plus)
2261                    .on_click(cx.listener(|this, _, cx| this.toggle_contact_finder(cx)))
2262                    .tooltip(|cx| Tooltip::text("Search for new contact", cx))
2263                    .into_any_element(),
2264            ),
2265            Section::Channels => Some(
2266                IconButton::new("add-channel", IconName::Plus)
2267                    .on_click(cx.listener(|this, _, cx| this.new_root_channel(cx)))
2268                    .tooltip(|cx| Tooltip::text("Create a channel", cx))
2269                    .into_any_element(),
2270            ),
2271            _ => None,
2272        };
2273
2274        let can_collapse = match section {
2275            Section::ActiveCall | Section::Channels | Section::Contacts => false,
2276            Section::ChannelInvites
2277            | Section::ContactRequests
2278            | Section::Online
2279            | Section::Offline => true,
2280        };
2281
2282        h_flex().w_full().group("section-header").child(
2283            ListHeader::new(text)
2284                .when(can_collapse, |header| {
2285                    header
2286                        .toggle(Some(!is_collapsed))
2287                        .on_toggle(cx.listener(move |this, _, cx| {
2288                            this.toggle_section_expanded(section, cx);
2289                        }))
2290                })
2291                .inset(true)
2292                .end_slot::<AnyElement>(button)
2293                .selected(is_selected),
2294        )
2295    }
2296
2297    fn render_contact(
2298        &self,
2299        contact: &Arc<Contact>,
2300        calling: bool,
2301        is_selected: bool,
2302        cx: &mut ViewContext<Self>,
2303    ) -> impl IntoElement {
2304        let online = contact.online;
2305        let busy = contact.busy || calling;
2306        let github_login = SharedString::from(contact.user.github_login.clone());
2307        let item = ListItem::new(github_login.clone())
2308            .indent_level(1)
2309            .indent_step_size(px(20.))
2310            .selected(is_selected)
2311            .child(
2312                h_flex()
2313                    .w_full()
2314                    .justify_between()
2315                    .child(Label::new(github_login.clone()))
2316                    .when(calling, |el| {
2317                        el.child(Label::new("Calling").color(Color::Muted))
2318                    })
2319                    .when(!calling, |el| {
2320                        el.child(
2321                            IconButton::new("contact context menu", IconName::Ellipsis)
2322                                .icon_color(Color::Muted)
2323                                .visible_on_hover("")
2324                                .on_click(cx.listener({
2325                                    let contact = contact.clone();
2326                                    move |this, event: &ClickEvent, cx| {
2327                                        this.deploy_contact_context_menu(
2328                                            event.down.position,
2329                                            contact.clone(),
2330                                            cx,
2331                                        );
2332                                    }
2333                                })),
2334                        )
2335                    }),
2336            )
2337            .on_secondary_mouse_down(cx.listener({
2338                let contact = contact.clone();
2339                move |this, event: &MouseDownEvent, cx| {
2340                    this.deploy_contact_context_menu(event.position, contact.clone(), cx);
2341                }
2342            }))
2343            .start_slot(
2344                // todo handle contacts with no avatar
2345                Avatar::new(contact.user.avatar_uri.clone())
2346                    .indicator::<AvatarAvailabilityIndicator>(if online {
2347                        Some(AvatarAvailabilityIndicator::new(match busy {
2348                            true => ui::Availability::Busy,
2349                            false => ui::Availability::Free,
2350                        }))
2351                    } else {
2352                        None
2353                    }),
2354            );
2355
2356        div()
2357            .id(github_login.clone())
2358            .group("")
2359            .child(item)
2360            .tooltip(move |cx| {
2361                let text = if !online {
2362                    format!(" {} is offline", &github_login)
2363                } else if busy {
2364                    format!(" {} is on a call", &github_login)
2365                } else {
2366                    let room = ActiveCall::global(cx).read(cx).room();
2367                    if room.is_some() {
2368                        format!("Invite {} to join call", &github_login)
2369                    } else {
2370                        format!("Call {}", &github_login)
2371                    }
2372                };
2373                Tooltip::text(text, cx)
2374            })
2375    }
2376
2377    fn render_contact_request(
2378        &self,
2379        user: &Arc<User>,
2380        is_incoming: bool,
2381        is_selected: bool,
2382        cx: &mut ViewContext<Self>,
2383    ) -> impl IntoElement {
2384        let github_login = SharedString::from(user.github_login.clone());
2385        let user_id = user.id;
2386        let is_response_pending = self.user_store.read(cx).is_contact_request_pending(&user);
2387        let color = if is_response_pending {
2388            Color::Muted
2389        } else {
2390            Color::Default
2391        };
2392
2393        let controls = if is_incoming {
2394            vec![
2395                IconButton::new("decline-contact", IconName::Close)
2396                    .on_click(cx.listener(move |this, _, cx| {
2397                        this.respond_to_contact_request(user_id, false, cx);
2398                    }))
2399                    .icon_color(color)
2400                    .tooltip(|cx| Tooltip::text("Decline invite", cx)),
2401                IconButton::new("accept-contact", IconName::Check)
2402                    .on_click(cx.listener(move |this, _, cx| {
2403                        this.respond_to_contact_request(user_id, true, cx);
2404                    }))
2405                    .icon_color(color)
2406                    .tooltip(|cx| Tooltip::text("Accept invite", cx)),
2407            ]
2408        } else {
2409            let github_login = github_login.clone();
2410            vec![IconButton::new("remove_contact", IconName::Close)
2411                .on_click(cx.listener(move |this, _, cx| {
2412                    this.remove_contact(user_id, &github_login, cx);
2413                }))
2414                .icon_color(color)
2415                .tooltip(|cx| Tooltip::text("Cancel invite", cx))]
2416        };
2417
2418        ListItem::new(github_login.clone())
2419            .indent_level(1)
2420            .indent_step_size(px(20.))
2421            .selected(is_selected)
2422            .child(
2423                h_flex()
2424                    .w_full()
2425                    .justify_between()
2426                    .child(Label::new(github_login.clone()))
2427                    .child(h_flex().children(controls)),
2428            )
2429            .start_slot(Avatar::new(user.avatar_uri.clone()))
2430    }
2431
2432    fn render_channel_invite(
2433        &self,
2434        channel: &Arc<Channel>,
2435        is_selected: bool,
2436        cx: &mut ViewContext<Self>,
2437    ) -> ListItem {
2438        let channel_id = channel.id;
2439        let response_is_pending = self
2440            .channel_store
2441            .read(cx)
2442            .has_pending_channel_invite_response(&channel);
2443        let color = if response_is_pending {
2444            Color::Muted
2445        } else {
2446            Color::Default
2447        };
2448
2449        let controls = [
2450            IconButton::new("reject-invite", IconName::Close)
2451                .on_click(cx.listener(move |this, _, cx| {
2452                    this.respond_to_channel_invite(channel_id, false, cx);
2453                }))
2454                .icon_color(color)
2455                .tooltip(|cx| Tooltip::text("Decline invite", cx)),
2456            IconButton::new("accept-invite", IconName::Check)
2457                .on_click(cx.listener(move |this, _, cx| {
2458                    this.respond_to_channel_invite(channel_id, true, cx);
2459                }))
2460                .icon_color(color)
2461                .tooltip(|cx| Tooltip::text("Accept invite", cx)),
2462        ];
2463
2464        ListItem::new(("channel-invite", channel.id.0 as usize))
2465            .selected(is_selected)
2466            .child(
2467                h_flex()
2468                    .w_full()
2469                    .justify_between()
2470                    .child(Label::new(channel.name.clone()))
2471                    .child(h_flex().children(controls)),
2472            )
2473            .start_slot(
2474                Icon::new(IconName::Hash)
2475                    .size(IconSize::Small)
2476                    .color(Color::Muted),
2477            )
2478    }
2479
2480    fn render_contact_placeholder(
2481        &self,
2482        is_selected: bool,
2483        cx: &mut ViewContext<Self>,
2484    ) -> ListItem {
2485        ListItem::new("contact-placeholder")
2486            .child(Icon::new(IconName::Plus))
2487            .child(Label::new("Add a Contact"))
2488            .selected(is_selected)
2489            .on_click(cx.listener(|this, _, cx| this.toggle_contact_finder(cx)))
2490    }
2491
2492    fn render_channel(
2493        &self,
2494        channel: &Channel,
2495        depth: usize,
2496        has_children: bool,
2497        is_selected: bool,
2498        ix: usize,
2499        cx: &mut ViewContext<Self>,
2500    ) -> impl IntoElement {
2501        let channel_id = channel.id;
2502
2503        let is_active = maybe!({
2504            let call_channel = ActiveCall::global(cx)
2505                .read(cx)
2506                .room()?
2507                .read(cx)
2508                .channel_id()?;
2509            Some(call_channel == channel_id)
2510        })
2511        .unwrap_or(false);
2512        let channel_store = self.channel_store.read(cx);
2513        let is_public = channel_store
2514            .channel_for_id(channel_id)
2515            .map(|channel| channel.visibility)
2516            == Some(proto::ChannelVisibility::Public);
2517        let disclosed =
2518            has_children.then(|| self.collapsed_channels.binary_search(&channel.id).is_err());
2519
2520        let has_messages_notification = channel_store.has_new_messages(channel_id);
2521        let has_notes_notification = channel_store.has_channel_buffer_changed(channel_id);
2522
2523        const FACEPILE_LIMIT: usize = 3;
2524        let participants = self.channel_store.read(cx).channel_participants(channel_id);
2525
2526        let face_pile = if participants.is_empty() {
2527            None
2528        } else {
2529            let extra_count = participants.len().saturating_sub(FACEPILE_LIMIT);
2530            let result = FacePile::new(
2531                participants
2532                    .iter()
2533                    .map(|user| Avatar::new(user.avatar_uri.clone()).into_any_element())
2534                    .take(FACEPILE_LIMIT)
2535                    .chain(if extra_count > 0 {
2536                        Some(
2537                            div()
2538                                .ml_2()
2539                                .child(Label::new(format!("+{extra_count}")))
2540                                .into_any_element(),
2541                        )
2542                    } else {
2543                        None
2544                    })
2545                    .collect::<SmallVec<_>>(),
2546            );
2547
2548            Some(result)
2549        };
2550
2551        let width = self.width.unwrap_or(px(240.));
2552        let root_id = channel.root_id();
2553
2554        div()
2555            .h_6()
2556            .id(channel_id.0 as usize)
2557            .group("")
2558            .flex()
2559            .w_full()
2560            .when(!channel.is_root_channel(), |el| {
2561                el.on_drag(channel.clone(), move |channel, cx| {
2562                    cx.new_view(|_| DraggedChannelView {
2563                        channel: channel.clone(),
2564                        width,
2565                    })
2566                })
2567            })
2568            .drag_over::<Channel>({
2569                move |style, dragged_channel: &Channel, cx| {
2570                    if dragged_channel.root_id() == root_id {
2571                        style.bg(cx.theme().colors().ghost_element_hover)
2572                    } else {
2573                        style
2574                    }
2575                }
2576            })
2577            .on_drop(cx.listener(move |this, dragged_channel: &Channel, cx| {
2578                if dragged_channel.root_id() != root_id {
2579                    return;
2580                }
2581                this.move_channel(dragged_channel.id, channel_id, cx);
2582            }))
2583            .child(
2584                ListItem::new(channel_id.0 as usize)
2585                    // Add one level of depth for the disclosure arrow.
2586                    .indent_level(depth + 1)
2587                    .indent_step_size(px(20.))
2588                    .selected(is_selected || is_active)
2589                    .toggle(disclosed)
2590                    .on_toggle(
2591                        cx.listener(move |this, _, cx| {
2592                            this.toggle_channel_collapsed(channel_id, cx)
2593                        }),
2594                    )
2595                    .on_click(cx.listener(move |this, _, cx| {
2596                        if is_active {
2597                            this.open_channel_notes(channel_id, cx)
2598                        } else {
2599                            this.join_channel(channel_id, cx)
2600                        }
2601                    }))
2602                    .on_secondary_mouse_down(cx.listener(
2603                        move |this, event: &MouseDownEvent, cx| {
2604                            this.deploy_channel_context_menu(event.position, channel_id, ix, cx)
2605                        },
2606                    ))
2607                    .start_slot(
2608                        div()
2609                            .relative()
2610                            .child(
2611                                Icon::new(if is_public {
2612                                    IconName::Public
2613                                } else {
2614                                    IconName::Hash
2615                                })
2616                                .size(IconSize::Small)
2617                                .color(Color::Muted),
2618                            )
2619                            .children(has_notes_notification.then(|| {
2620                                div()
2621                                    .w_1p5()
2622                                    .absolute()
2623                                    .right(px(-1.))
2624                                    .top(px(-1.))
2625                                    .child(Indicator::dot().color(Color::Info))
2626                            })),
2627                    )
2628                    .child(
2629                        h_flex()
2630                            .id(channel_id.0 as usize)
2631                            .child(Label::new(channel.name.clone()))
2632                            .children(face_pile.map(|face_pile| face_pile.p_1())),
2633                    ),
2634            )
2635            .child(
2636                h_flex().absolute().right(rems(0.)).h_full().child(
2637                    h_flex()
2638                        .h_full()
2639                        .gap_1()
2640                        .px_1()
2641                        .child(
2642                            IconButton::new("channel_chat", IconName::MessageBubbles)
2643                                .style(ButtonStyle::Filled)
2644                                .shape(ui::IconButtonShape::Square)
2645                                .icon_size(IconSize::Small)
2646                                .icon_color(if has_messages_notification {
2647                                    Color::Default
2648                                } else {
2649                                    Color::Muted
2650                                })
2651                                .on_click(cx.listener(move |this, _, cx| {
2652                                    this.join_channel_chat(channel_id, cx)
2653                                }))
2654                                .tooltip(|cx| Tooltip::text("Open channel chat", cx))
2655                                .visible_on_hover(""),
2656                        )
2657                        .child(
2658                            IconButton::new("channel_notes", IconName::File)
2659                                .style(ButtonStyle::Filled)
2660                                .shape(ui::IconButtonShape::Square)
2661                                .icon_size(IconSize::Small)
2662                                .icon_color(if has_notes_notification {
2663                                    Color::Default
2664                                } else {
2665                                    Color::Muted
2666                                })
2667                                .on_click(cx.listener(move |this, _, cx| {
2668                                    this.open_channel_notes(channel_id, cx)
2669                                }))
2670                                .tooltip(|cx| Tooltip::text("Open channel notes", cx))
2671                                .visible_on_hover(""),
2672                        ),
2673                ),
2674            )
2675            .tooltip({
2676                let channel_store = self.channel_store.clone();
2677                move |cx| {
2678                    cx.new_view(|_| JoinChannelTooltip {
2679                        channel_store: channel_store.clone(),
2680                        channel_id,
2681                        has_notes_notification,
2682                    })
2683                    .into()
2684                }
2685            })
2686    }
2687
2688    fn render_channel_editor(&self, depth: usize, _cx: &mut ViewContext<Self>) -> impl IntoElement {
2689        let item = ListItem::new("channel-editor")
2690            .inset(false)
2691            // Add one level of depth for the disclosure arrow.
2692            .indent_level(depth + 1)
2693            .indent_step_size(px(20.))
2694            .start_slot(
2695                Icon::new(IconName::Hash)
2696                    .size(IconSize::Small)
2697                    .color(Color::Muted),
2698            );
2699
2700        if let Some(pending_name) = self
2701            .channel_editing_state
2702            .as_ref()
2703            .and_then(|state| state.pending_name())
2704        {
2705            item.child(Label::new(pending_name))
2706        } else {
2707            item.child(self.channel_name_editor.clone())
2708        }
2709    }
2710}
2711
2712fn render_tree_branch(is_last: bool, overdraw: bool, cx: &mut WindowContext) -> impl IntoElement {
2713    let rem_size = cx.rem_size();
2714    let line_height = cx.text_style().line_height_in_pixels(rem_size);
2715    let width = rem_size * 1.5;
2716    let thickness = px(1.);
2717    let color = cx.theme().colors().text;
2718
2719    canvas(
2720        |_, _| {},
2721        move |bounds, _, cx| {
2722            let start_x = (bounds.left() + bounds.right() - thickness) / 2.;
2723            let start_y = (bounds.top() + bounds.bottom() - thickness) / 2.;
2724            let right = bounds.right();
2725            let top = bounds.top();
2726
2727            cx.paint_quad(fill(
2728                Bounds::from_corners(
2729                    point(start_x, top),
2730                    point(
2731                        start_x + thickness,
2732                        if is_last {
2733                            start_y
2734                        } else {
2735                            bounds.bottom() + if overdraw { px(1.) } else { px(0.) }
2736                        },
2737                    ),
2738                ),
2739                color,
2740            ));
2741            cx.paint_quad(fill(
2742                Bounds::from_corners(point(start_x, start_y), point(right, start_y + thickness)),
2743                color,
2744            ));
2745        },
2746    )
2747    .w(width)
2748    .h(line_height)
2749}
2750
2751impl Render for CollabPanel {
2752    fn render(&mut self, cx: &mut ViewContext<Self>) -> impl IntoElement {
2753        v_flex()
2754            .key_context("CollabPanel")
2755            .on_action(cx.listener(CollabPanel::cancel))
2756            .on_action(cx.listener(CollabPanel::select_next))
2757            .on_action(cx.listener(CollabPanel::select_prev))
2758            .on_action(cx.listener(CollabPanel::confirm))
2759            .on_action(cx.listener(CollabPanel::insert_space))
2760            .on_action(cx.listener(CollabPanel::remove_selected_channel))
2761            .on_action(cx.listener(CollabPanel::show_inline_context_menu))
2762            .on_action(cx.listener(CollabPanel::rename_selected_channel))
2763            .on_action(cx.listener(CollabPanel::collapse_selected_channel))
2764            .on_action(cx.listener(CollabPanel::expand_selected_channel))
2765            .on_action(cx.listener(CollabPanel::start_move_selected_channel))
2766            .track_focus(&self.focus_handle)
2767            .size_full()
2768            .child(if self.user_store.read(cx).current_user().is_none() {
2769                self.render_signed_out(cx)
2770            } else {
2771                self.render_signed_in(cx)
2772            })
2773            .children(self.context_menu.as_ref().map(|(menu, position, _)| {
2774                deferred(
2775                    anchored()
2776                        .position(*position)
2777                        .anchor(gpui::AnchorCorner::TopLeft)
2778                        .child(menu.clone()),
2779                )
2780                .with_priority(1)
2781            }))
2782    }
2783}
2784
2785impl EventEmitter<PanelEvent> for CollabPanel {}
2786
2787impl Panel for CollabPanel {
2788    fn position(&self, cx: &gpui::WindowContext) -> DockPosition {
2789        CollaborationPanelSettings::get_global(cx).dock
2790    }
2791
2792    fn position_is_valid(&self, position: DockPosition) -> bool {
2793        matches!(position, DockPosition::Left | DockPosition::Right)
2794    }
2795
2796    fn set_position(&mut self, position: DockPosition, cx: &mut ViewContext<Self>) {
2797        settings::update_settings_file::<CollaborationPanelSettings>(
2798            self.fs.clone(),
2799            cx,
2800            move |settings| settings.dock = Some(position),
2801        );
2802    }
2803
2804    fn size(&self, cx: &gpui::WindowContext) -> Pixels {
2805        self.width
2806            .unwrap_or_else(|| CollaborationPanelSettings::get_global(cx).default_width)
2807    }
2808
2809    fn set_size(&mut self, size: Option<Pixels>, cx: &mut ViewContext<Self>) {
2810        self.width = size;
2811        self.serialize(cx);
2812        cx.notify();
2813    }
2814
2815    fn icon(&self, cx: &gpui::WindowContext) -> Option<ui::IconName> {
2816        CollaborationPanelSettings::get_global(cx)
2817            .button
2818            .then(|| ui::IconName::Collab)
2819    }
2820
2821    fn icon_tooltip(&self, _cx: &WindowContext) -> Option<&'static str> {
2822        Some("Collab Panel")
2823    }
2824
2825    fn toggle_action(&self) -> Box<dyn gpui::Action> {
2826        Box::new(ToggleFocus)
2827    }
2828
2829    fn persistent_name() -> &'static str {
2830        "CollabPanel"
2831    }
2832}
2833
2834impl FocusableView for CollabPanel {
2835    fn focus_handle(&self, cx: &AppContext) -> gpui::FocusHandle {
2836        self.filter_editor.focus_handle(cx).clone()
2837    }
2838}
2839
2840impl PartialEq for ListEntry {
2841    fn eq(&self, other: &Self) -> bool {
2842        match self {
2843            ListEntry::Header(section_1) => {
2844                if let ListEntry::Header(section_2) = other {
2845                    return section_1 == section_2;
2846                }
2847            }
2848            ListEntry::CallParticipant { user: user_1, .. } => {
2849                if let ListEntry::CallParticipant { user: user_2, .. } = other {
2850                    return user_1.id == user_2.id;
2851                }
2852            }
2853            ListEntry::ParticipantProject {
2854                project_id: project_id_1,
2855                ..
2856            } => {
2857                if let ListEntry::ParticipantProject {
2858                    project_id: project_id_2,
2859                    ..
2860                } = other
2861                {
2862                    return project_id_1 == project_id_2;
2863                }
2864            }
2865            ListEntry::ParticipantScreen {
2866                peer_id: peer_id_1, ..
2867            } => {
2868                if let ListEntry::ParticipantScreen {
2869                    peer_id: peer_id_2, ..
2870                } = other
2871                {
2872                    return peer_id_1 == peer_id_2;
2873                }
2874            }
2875            ListEntry::Channel {
2876                channel: channel_1, ..
2877            } => {
2878                if let ListEntry::Channel {
2879                    channel: channel_2, ..
2880                } = other
2881                {
2882                    return channel_1.id == channel_2.id;
2883                }
2884            }
2885            ListEntry::HostedProject { id, .. } => {
2886                if let ListEntry::HostedProject { id: other_id, .. } = other {
2887                    return id == other_id;
2888                }
2889            }
2890            ListEntry::ChannelNotes { channel_id } => {
2891                if let ListEntry::ChannelNotes {
2892                    channel_id: other_id,
2893                } = other
2894                {
2895                    return channel_id == other_id;
2896                }
2897            }
2898            ListEntry::ChannelChat { channel_id } => {
2899                if let ListEntry::ChannelChat {
2900                    channel_id: other_id,
2901                } = other
2902                {
2903                    return channel_id == other_id;
2904                }
2905            }
2906            ListEntry::ChannelInvite(channel_1) => {
2907                if let ListEntry::ChannelInvite(channel_2) = other {
2908                    return channel_1.id == channel_2.id;
2909                }
2910            }
2911            ListEntry::IncomingRequest(user_1) => {
2912                if let ListEntry::IncomingRequest(user_2) = other {
2913                    return user_1.id == user_2.id;
2914                }
2915            }
2916            ListEntry::OutgoingRequest(user_1) => {
2917                if let ListEntry::OutgoingRequest(user_2) = other {
2918                    return user_1.id == user_2.id;
2919                }
2920            }
2921            ListEntry::Contact {
2922                contact: contact_1, ..
2923            } => {
2924                if let ListEntry::Contact {
2925                    contact: contact_2, ..
2926                } = other
2927                {
2928                    return contact_1.user.id == contact_2.user.id;
2929                }
2930            }
2931            ListEntry::ChannelEditor { depth } => {
2932                if let ListEntry::ChannelEditor { depth: other_depth } = other {
2933                    return depth == other_depth;
2934                }
2935            }
2936            ListEntry::ContactPlaceholder => {
2937                if let ListEntry::ContactPlaceholder = other {
2938                    return true;
2939                }
2940            }
2941        }
2942        false
2943    }
2944}
2945
2946struct DraggedChannelView {
2947    channel: Channel,
2948    width: Pixels,
2949}
2950
2951impl Render for DraggedChannelView {
2952    fn render(&mut self, cx: &mut ViewContext<Self>) -> impl Element {
2953        let ui_font = ThemeSettings::get_global(cx).ui_font.family.clone();
2954        h_flex()
2955            .font_family(ui_font)
2956            .bg(cx.theme().colors().background)
2957            .w(self.width)
2958            .p_1()
2959            .gap_1()
2960            .child(
2961                Icon::new(
2962                    if self.channel.visibility == proto::ChannelVisibility::Public {
2963                        IconName::Public
2964                    } else {
2965                        IconName::Hash
2966                    },
2967                )
2968                .size(IconSize::Small)
2969                .color(Color::Muted),
2970            )
2971            .child(Label::new(self.channel.name.clone()))
2972    }
2973}
2974
2975struct JoinChannelTooltip {
2976    channel_store: Model<ChannelStore>,
2977    channel_id: ChannelId,
2978    #[allow(unused)]
2979    has_notes_notification: bool,
2980}
2981
2982impl Render for JoinChannelTooltip {
2983    fn render(&mut self, cx: &mut ViewContext<Self>) -> impl IntoElement {
2984        tooltip_container(cx, |container, cx| {
2985            let participants = self
2986                .channel_store
2987                .read(cx)
2988                .channel_participants(self.channel_id);
2989
2990            container
2991                .child(Label::new("Join channel"))
2992                .children(participants.iter().map(|participant| {
2993                    h_flex()
2994                        .gap_2()
2995                        .child(Avatar::new(participant.avatar_uri.clone()))
2996                        .child(Label::new(participant.github_login.clone()))
2997                }))
2998        })
2999    }
3000}