1use crate::{collab_panel, ChatPanelSettings};
2use anyhow::Result;
3use call::{room, ActiveCall};
4use channel::{ChannelChat, ChannelChatEvent, ChannelMessage, ChannelMessageId, ChannelStore};
5use client::{ChannelId, Client};
6use collections::HashMap;
7use db::kvp::KEY_VALUE_STORE;
8use editor::Editor;
9use gpui::{
10 actions, div, list, prelude::*, px, Action, AppContext, AsyncWindowContext, ClipboardItem,
11 CursorStyle, DismissEvent, ElementId, EventEmitter, FocusHandle, FocusableView, FontStyle,
12 FontWeight, HighlightStyle, ListOffset, ListScrollEvent, ListState, Model, Render, StyledText,
13 Subscription, Task, View, ViewContext, VisualContext, WeakView,
14};
15use language::LanguageRegistry;
16use menu::Confirm;
17use message_editor::MessageEditor;
18use project::Fs;
19use rich_text::RichText;
20use serde::{Deserialize, Serialize};
21use settings::Settings;
22use std::{sync::Arc, time::Duration};
23use time::{OffsetDateTime, UtcOffset};
24use ui::{
25 popover_menu, prelude::*, Avatar, Button, ContextMenu, IconButton, IconName, KeyBinding, Label,
26 TabBar, Tooltip,
27};
28use util::{ResultExt, TryFutureExt};
29use workspace::{
30 dock::{DockPosition, Panel, PanelEvent},
31 Workspace,
32};
33
34mod message_editor;
35
36const MESSAGE_LOADING_THRESHOLD: usize = 50;
37const CHAT_PANEL_KEY: &str = "ChatPanel";
38
39pub fn init(cx: &mut AppContext) {
40 cx.observe_new_views(|workspace: &mut Workspace, _| {
41 workspace.register_action(|workspace, _: &ToggleFocus, cx| {
42 workspace.toggle_panel_focus::<ChatPanel>(cx);
43 });
44 })
45 .detach();
46}
47
48pub struct ChatPanel {
49 client: Arc<Client>,
50 channel_store: Model<ChannelStore>,
51 languages: Arc<LanguageRegistry>,
52 message_list: ListState,
53 active_chat: Option<(Model<ChannelChat>, Subscription)>,
54 message_editor: View<MessageEditor>,
55 local_timezone: UtcOffset,
56 fs: Arc<dyn Fs>,
57 width: Option<Pixels>,
58 active: bool,
59 pending_serialization: Task<Option<()>>,
60 subscriptions: Vec<gpui::Subscription>,
61 is_scrolled_to_bottom: bool,
62 markdown_data: HashMap<ChannelMessageId, RichText>,
63 focus_handle: FocusHandle,
64 open_context_menu: Option<(u64, Subscription)>,
65 highlighted_message: Option<(u64, Task<()>)>,
66 last_acknowledged_message_id: Option<u64>,
67}
68
69#[derive(Serialize, Deserialize)]
70struct SerializedChatPanel {
71 width: Option<Pixels>,
72}
73
74actions!(chat_panel, [ToggleFocus, CloseReplyPreview]);
75
76impl ChatPanel {
77 pub fn new(workspace: &mut Workspace, cx: &mut ViewContext<Workspace>) -> View<Self> {
78 let fs = workspace.app_state().fs.clone();
79 let client = workspace.app_state().client.clone();
80 let channel_store = ChannelStore::global(cx);
81 let languages = workspace.app_state().languages.clone();
82
83 let input_editor = cx.new_view(|cx| {
84 MessageEditor::new(
85 languages.clone(),
86 channel_store.clone(),
87 cx.new_view(|cx| Editor::auto_height(4, cx)),
88 cx,
89 )
90 });
91
92 cx.new_view(|cx: &mut ViewContext<Self>| {
93 let view = cx.view().downgrade();
94 let message_list =
95 ListState::new(0, gpui::ListAlignment::Bottom, px(1000.), move |ix, cx| {
96 if let Some(view) = view.upgrade() {
97 view.update(cx, |view, cx| {
98 view.render_message(ix, cx).into_any_element()
99 })
100 } else {
101 div().into_any()
102 }
103 });
104
105 message_list.set_scroll_handler(cx.listener(|this, event: &ListScrollEvent, cx| {
106 if event.visible_range.start < MESSAGE_LOADING_THRESHOLD {
107 this.load_more_messages(cx);
108 }
109 this.is_scrolled_to_bottom = !event.is_scrolled;
110 }));
111
112 let mut this = Self {
113 fs,
114 client,
115 channel_store,
116 languages,
117 message_list,
118 active_chat: Default::default(),
119 pending_serialization: Task::ready(None),
120 message_editor: input_editor,
121 local_timezone: cx.local_timezone(),
122 subscriptions: Vec::new(),
123 is_scrolled_to_bottom: true,
124 active: false,
125 width: None,
126 markdown_data: Default::default(),
127 focus_handle: cx.focus_handle(),
128 open_context_menu: None,
129 highlighted_message: None,
130 last_acknowledged_message_id: None,
131 };
132
133 if let Some(channel_id) = ActiveCall::global(cx)
134 .read(cx)
135 .room()
136 .and_then(|room| room.read(cx).channel_id())
137 {
138 this.select_channel(channel_id, None, cx)
139 .detach_and_log_err(cx);
140 }
141
142 this.subscriptions.push(cx.subscribe(
143 &ActiveCall::global(cx),
144 move |this: &mut Self, call, event: &room::Event, cx| match event {
145 room::Event::RoomJoined { channel_id } => {
146 if let Some(channel_id) = channel_id {
147 this.select_channel(*channel_id, None, cx)
148 .detach_and_log_err(cx);
149
150 if call
151 .read(cx)
152 .room()
153 .is_some_and(|room| room.read(cx).contains_guests())
154 {
155 cx.emit(PanelEvent::Activate)
156 }
157 }
158 }
159 room::Event::Left { channel_id } => {
160 if channel_id == &this.channel_id(cx) {
161 cx.emit(PanelEvent::Close)
162 }
163 }
164 _ => {}
165 },
166 ));
167
168 this
169 })
170 }
171
172 pub fn channel_id(&self, cx: &AppContext) -> Option<ChannelId> {
173 self.active_chat
174 .as_ref()
175 .map(|(chat, _)| chat.read(cx).channel_id)
176 }
177
178 pub fn is_scrolled_to_bottom(&self) -> bool {
179 self.is_scrolled_to_bottom
180 }
181
182 pub fn active_chat(&self) -> Option<Model<ChannelChat>> {
183 self.active_chat.as_ref().map(|(chat, _)| chat.clone())
184 }
185
186 pub fn load(
187 workspace: WeakView<Workspace>,
188 cx: AsyncWindowContext,
189 ) -> Task<Result<View<Self>>> {
190 cx.spawn(|mut cx| async move {
191 let serialized_panel = if let Some(panel) = cx
192 .background_executor()
193 .spawn(async move { KEY_VALUE_STORE.read_kvp(CHAT_PANEL_KEY) })
194 .await
195 .log_err()
196 .flatten()
197 {
198 Some(serde_json::from_str::<SerializedChatPanel>(&panel)?)
199 } else {
200 None
201 };
202
203 workspace.update(&mut cx, |workspace, cx| {
204 let panel = Self::new(workspace, cx);
205 if let Some(serialized_panel) = serialized_panel {
206 panel.update(cx, |panel, cx| {
207 panel.width = serialized_panel.width.map(|r| r.round());
208 cx.notify();
209 });
210 }
211 panel
212 })
213 })
214 }
215
216 fn serialize(&mut self, cx: &mut ViewContext<Self>) {
217 let width = self.width;
218 self.pending_serialization = cx.background_executor().spawn(
219 async move {
220 KEY_VALUE_STORE
221 .write_kvp(
222 CHAT_PANEL_KEY.into(),
223 serde_json::to_string(&SerializedChatPanel { width })?,
224 )
225 .await?;
226 anyhow::Ok(())
227 }
228 .log_err(),
229 );
230 }
231
232 fn set_active_chat(&mut self, chat: Model<ChannelChat>, cx: &mut ViewContext<Self>) {
233 if self.active_chat.as_ref().map(|e| &e.0) != Some(&chat) {
234 let channel_id = chat.read(cx).channel_id;
235 {
236 self.markdown_data.clear();
237 let chat = chat.read(cx);
238 self.message_list.reset(chat.message_count());
239
240 let channel_name = chat.channel(cx).map(|channel| channel.name.clone());
241 self.message_editor.update(cx, |editor, cx| {
242 editor.set_channel(channel_id, channel_name, cx);
243 editor.clear_reply_to_message_id();
244 });
245 };
246 let subscription = cx.subscribe(&chat, Self::channel_did_change);
247 self.active_chat = Some((chat, subscription));
248 self.acknowledge_last_message(cx);
249 cx.notify();
250 }
251 }
252
253 fn channel_did_change(
254 &mut self,
255 _: Model<ChannelChat>,
256 event: &ChannelChatEvent,
257 cx: &mut ViewContext<Self>,
258 ) {
259 match event {
260 ChannelChatEvent::MessagesUpdated {
261 old_range,
262 new_count,
263 } => {
264 self.message_list.splice(old_range.clone(), *new_count);
265 if self.active {
266 self.acknowledge_last_message(cx);
267 }
268 }
269 ChannelChatEvent::NewMessage {
270 channel_id,
271 message_id,
272 } => {
273 if !self.active {
274 self.channel_store.update(cx, |store, cx| {
275 store.update_latest_message_id(*channel_id, *message_id, cx)
276 })
277 }
278 }
279 }
280 cx.notify();
281 }
282
283 fn acknowledge_last_message(&mut self, cx: &mut ViewContext<Self>) {
284 if self.active && self.is_scrolled_to_bottom {
285 if let Some((chat, _)) = &self.active_chat {
286 if let Some(channel_id) = self.channel_id(cx) {
287 self.last_acknowledged_message_id = self
288 .channel_store
289 .read(cx)
290 .last_acknowledge_message_id(channel_id);
291 }
292
293 chat.update(cx, |chat, cx| {
294 chat.acknowledge_last_message(cx);
295 });
296 }
297 }
298 }
299
300 fn render_replied_to_message(
301 &mut self,
302 message_id: Option<ChannelMessageId>,
303 reply_to_message: &ChannelMessage,
304 cx: &mut ViewContext<Self>,
305 ) -> impl IntoElement {
306 let body_element_id: ElementId = match message_id {
307 Some(ChannelMessageId::Saved(id)) => ("reply-to-saved-message", id).into(),
308 Some(ChannelMessageId::Pending(id)) => ("reply-to-pending-message", id).into(), // This should never happen
309 None => ("composing-reply").into(),
310 };
311
312 let message_element_id: ElementId = match message_id {
313 Some(ChannelMessageId::Saved(id)) => ("reply-to-saved-message-container", id).into(),
314 Some(ChannelMessageId::Pending(id)) => {
315 ("reply-to-pending-message-container", id).into()
316 } // This should never happen
317 None => ("composing-reply-container").into(),
318 };
319
320 let current_channel_id = self.channel_id(cx);
321 let reply_to_message_id = reply_to_message.id;
322
323 let reply_to_message_body = self
324 .markdown_data
325 .entry(reply_to_message.id)
326 .or_insert_with(|| {
327 Self::render_markdown_with_mentions(
328 &self.languages,
329 self.client.id(),
330 reply_to_message,
331 )
332 });
333
334 const REPLY_TO_PREFIX: &str = "Reply to @";
335
336 div().flex_grow().child(
337 v_flex()
338 .id(message_element_id)
339 .text_ui_xs()
340 .child(
341 h_flex()
342 .gap_x_1()
343 .items_center()
344 .justify_start()
345 .overflow_x_hidden()
346 .whitespace_nowrap()
347 .child(
348 StyledText::new(format!(
349 "{}{}",
350 REPLY_TO_PREFIX,
351 reply_to_message.sender.github_login.clone()
352 ))
353 .with_highlights(
354 &cx.text_style(),
355 vec![(
356 (REPLY_TO_PREFIX.len() - 1)
357 ..(reply_to_message.sender.github_login.len()
358 + REPLY_TO_PREFIX.len()),
359 HighlightStyle {
360 font_weight: Some(FontWeight::BOLD),
361 ..Default::default()
362 },
363 )],
364 ),
365 ),
366 )
367 .child(
368 div()
369 .border_l_2()
370 .border_color(cx.theme().colors().border)
371 .px_1()
372 .py_0p5()
373 .mb_1()
374 .child(
375 div()
376 .overflow_hidden()
377 .max_h_12()
378 .child(reply_to_message_body.element(body_element_id, cx)),
379 ),
380 )
381 .cursor(CursorStyle::PointingHand)
382 .tooltip(|cx| Tooltip::text("Go to message", cx))
383 .on_click(cx.listener(move |chat_panel, _, cx| {
384 if let Some(channel_id) = current_channel_id {
385 chat_panel
386 .select_channel(channel_id, reply_to_message_id.into(), cx)
387 .detach_and_log_err(cx)
388 }
389 })),
390 )
391 }
392
393 fn render_message(&mut self, ix: usize, cx: &mut ViewContext<Self>) -> impl IntoElement {
394 let active_chat = &self.active_chat.as_ref().unwrap().0;
395 let (message, is_continuation_from_previous, is_admin) =
396 active_chat.update(cx, |active_chat, cx| {
397 let is_admin = self
398 .channel_store
399 .read(cx)
400 .is_channel_admin(active_chat.channel_id);
401
402 let last_message = active_chat.message(ix.saturating_sub(1));
403 let this_message = active_chat.message(ix).clone();
404
405 let duration_since_last_message = this_message.timestamp - last_message.timestamp;
406 let is_continuation_from_previous = last_message.sender.id
407 == this_message.sender.id
408 && last_message.id != this_message.id
409 && duration_since_last_message < Duration::from_secs(5 * 60);
410
411 if let ChannelMessageId::Saved(id) = this_message.id {
412 if this_message
413 .mentions
414 .iter()
415 .any(|(_, user_id)| Some(*user_id) == self.client.user_id())
416 {
417 active_chat.acknowledge_message(id);
418 }
419 }
420
421 (this_message, is_continuation_from_previous, is_admin)
422 });
423
424 let _is_pending = message.is_pending();
425
426 let belongs_to_user = Some(message.sender.id) == self.client.user_id();
427 let can_delete_message = belongs_to_user || is_admin;
428
429 let element_id: ElementId = match message.id {
430 ChannelMessageId::Saved(id) => ("saved-message", id).into(),
431 ChannelMessageId::Pending(id) => ("pending-message", id).into(),
432 };
433
434 let mentioning_you = message
435 .mentions
436 .iter()
437 .any(|m| Some(m.1) == self.client.user_id());
438
439 let message_id = match message.id {
440 ChannelMessageId::Saved(id) => Some(id),
441 ChannelMessageId::Pending(_) => None,
442 };
443
444 let reply_to_message = message
445 .reply_to_message_id
446 .and_then(|id| active_chat.read(cx).find_loaded_message(id))
447 .cloned();
448
449 let replied_to_you =
450 reply_to_message.as_ref().map(|m| m.sender.id) == self.client.user_id();
451
452 let is_highlighted_message = self
453 .highlighted_message
454 .as_ref()
455 .is_some_and(|(id, _)| Some(id) == message_id.as_ref());
456 let background = if is_highlighted_message {
457 cx.theme().status().info_background
458 } else if mentioning_you || replied_to_you {
459 cx.theme().colors().background
460 } else {
461 cx.theme().colors().panel_background
462 };
463
464 v_flex()
465 .w_full()
466 .relative()
467 .group("")
468 .when(!is_continuation_from_previous, |this| this.pt_2())
469 .child(
470 div()
471 .group("")
472 .bg(background)
473 .rounded_md()
474 .overflow_hidden()
475 .px_1p5()
476 .py_0p5()
477 .when(!self.has_open_menu(message_id), |this| {
478 this.hover(|style| style.bg(cx.theme().colors().element_hover))
479 })
480 .when(!is_continuation_from_previous, |this| {
481 this.child(
482 h_flex()
483 .text_ui_sm()
484 .child(div().absolute().child(
485 Avatar::new(message.sender.avatar_uri.clone()).size(rems(1.)),
486 ))
487 .child(
488 div()
489 .pl(cx.rem_size() + px(6.0))
490 .pr(px(8.0))
491 .font_weight(FontWeight::BOLD)
492 .child(Label::new(message.sender.github_login.clone())),
493 )
494 .child(
495 Label::new(time_format::format_localized_timestamp(
496 message.timestamp,
497 OffsetDateTime::now_utc(),
498 self.local_timezone,
499 time_format::TimestampFormat::EnhancedAbsolute,
500 ))
501 .size(LabelSize::Small)
502 .color(Color::Muted),
503 ),
504 )
505 })
506 .when(
507 message.reply_to_message_id.is_some() && reply_to_message.is_none(),
508 |this| {
509 const MESSAGE_DELETED: &str = "Message has been deleted";
510
511 let body_text = StyledText::new(MESSAGE_DELETED).with_highlights(
512 &cx.text_style(),
513 vec![(
514 0..MESSAGE_DELETED.len(),
515 HighlightStyle {
516 font_style: Some(FontStyle::Italic),
517 ..Default::default()
518 },
519 )],
520 );
521
522 this.child(
523 div()
524 .border_l_2()
525 .text_ui_xs()
526 .border_color(cx.theme().colors().border)
527 .px_1()
528 .py_0p5()
529 .child(body_text),
530 )
531 },
532 )
533 .when_some(reply_to_message, |el, reply_to_message| {
534 el.child(self.render_replied_to_message(
535 Some(message.id),
536 &reply_to_message,
537 cx,
538 ))
539 })
540 .when(mentioning_you || replied_to_you, |this| this.my_0p5())
541 .map(|el| {
542 let text = self.markdown_data.entry(message.id).or_insert_with(|| {
543 Self::render_markdown_with_mentions(
544 &self.languages,
545 self.client.id(),
546 &message,
547 )
548 });
549 el.child(
550 v_flex()
551 .w_full()
552 .text_ui_sm()
553 .id(element_id)
554 .child(text.element("body".into(), cx)),
555 )
556 .when(self.has_open_menu(message_id), |el| {
557 el.bg(cx.theme().colors().element_selected)
558 })
559 }),
560 )
561 .when(
562 self.last_acknowledged_message_id
563 .is_some_and(|l| Some(l) == message_id),
564 |this| {
565 this.child(
566 h_flex()
567 .py_2()
568 .gap_1()
569 .items_center()
570 .child(div().w_full().h_0p5().bg(cx.theme().colors().border))
571 .child(
572 div()
573 .px_1()
574 .rounded_md()
575 .text_ui_xs()
576 .bg(cx.theme().colors().background)
577 .child("New messages"),
578 )
579 .child(div().w_full().h_0p5().bg(cx.theme().colors().border)),
580 )
581 },
582 )
583 .child(
584 self.render_popover_buttons(&cx, message_id, can_delete_message)
585 .neg_mt_2p5(),
586 )
587 }
588
589 fn has_open_menu(&self, message_id: Option<u64>) -> bool {
590 match self.open_context_menu.as_ref() {
591 Some((id, _)) => Some(*id) == message_id,
592 None => false,
593 }
594 }
595
596 fn render_popover_buttons(
597 &self,
598 cx: &ViewContext<Self>,
599 message_id: Option<u64>,
600 can_delete_message: bool,
601 ) -> Div {
602 div()
603 .absolute()
604 .child(
605 div()
606 .absolute()
607 .right_8()
608 .w_6()
609 .rounded_tl_md()
610 .rounded_bl_md()
611 .border_l_1()
612 .border_t_1()
613 .border_b_1()
614 .border_color(cx.theme().colors().element_selected)
615 .bg(cx.theme().colors().element_background)
616 .hover(|style| style.bg(cx.theme().colors().element_hover))
617 .when(!self.has_open_menu(message_id), |el| {
618 el.visible_on_hover("")
619 })
620 .when_some(message_id, |el, message_id| {
621 el.child(
622 div()
623 .id("reply")
624 .child(
625 IconButton::new(("reply", message_id), IconName::ReplyArrow)
626 .on_click(cx.listener(move |this, _, cx| {
627 this.message_editor.update(cx, |editor, cx| {
628 editor.set_reply_to_message_id(message_id);
629 editor.focus_handle(cx).focus(cx);
630 })
631 })),
632 )
633 .tooltip(|cx| Tooltip::text("Reply", cx)),
634 )
635 }),
636 )
637 .child(
638 div()
639 .absolute()
640 .right_2()
641 .w_6()
642 .rounded_tr_md()
643 .rounded_br_md()
644 .border_r_1()
645 .border_t_1()
646 .border_b_1()
647 .border_color(cx.theme().colors().element_selected)
648 .bg(cx.theme().colors().element_background)
649 .hover(|style| style.bg(cx.theme().colors().element_hover))
650 .when(!self.has_open_menu(message_id), |el| {
651 el.visible_on_hover("")
652 })
653 .when_some(message_id, |el, message_id| {
654 let this = cx.view().clone();
655
656 el.child(
657 div()
658 .id("more")
659 .child(
660 popover_menu(("menu", message_id))
661 .trigger(IconButton::new(
662 ("trigger", message_id),
663 IconName::Ellipsis,
664 ))
665 .menu(move |cx| {
666 Some(Self::render_message_menu(
667 &this,
668 message_id,
669 can_delete_message,
670 cx,
671 ))
672 }),
673 )
674 .tooltip(|cx| Tooltip::text("More", cx)),
675 )
676 }),
677 )
678 }
679
680 fn render_message_menu(
681 this: &View<Self>,
682 message_id: u64,
683 can_delete_message: bool,
684 cx: &mut WindowContext,
685 ) -> View<ContextMenu> {
686 let menu = {
687 ContextMenu::build(cx, move |menu, cx| {
688 menu.entry(
689 "Reply to message",
690 None,
691 cx.handler_for(&this, move |this, cx| {
692 this.message_editor.update(cx, |editor, cx| {
693 editor.set_reply_to_message_id(message_id);
694 editor.focus_handle(cx).focus(cx);
695 })
696 }),
697 )
698 .entry(
699 "Copy message text",
700 None,
701 cx.handler_for(&this, move |this, cx| {
702 if let Some(message) = this.active_chat().and_then(|active_chat| {
703 active_chat.read(cx).find_loaded_message(message_id)
704 }) {
705 let text = message.body.clone();
706 cx.write_to_clipboard(ClipboardItem::new(text))
707 }
708 }),
709 )
710 .when(can_delete_message, move |menu| {
711 menu.entry(
712 "Delete message",
713 None,
714 cx.handler_for(&this, move |this, cx| this.remove_message(message_id, cx)),
715 )
716 })
717 })
718 };
719 this.update(cx, |this, cx| {
720 let subscription = cx.subscribe(&menu, |this: &mut Self, _, _: &DismissEvent, _| {
721 this.open_context_menu = None;
722 });
723 this.open_context_menu = Some((message_id, subscription));
724 });
725 menu
726 }
727
728 fn render_markdown_with_mentions(
729 language_registry: &Arc<LanguageRegistry>,
730 current_user_id: u64,
731 message: &channel::ChannelMessage,
732 ) -> RichText {
733 let mentions = message
734 .mentions
735 .iter()
736 .map(|(range, user_id)| rich_text::Mention {
737 range: range.clone(),
738 is_self_mention: *user_id == current_user_id,
739 })
740 .collect::<Vec<_>>();
741
742 rich_text::render_rich_text(message.body.clone(), &mentions, language_registry, None)
743 }
744
745 fn send(&mut self, _: &Confirm, cx: &mut ViewContext<Self>) {
746 if let Some((chat, _)) = self.active_chat.as_ref() {
747 let message = self
748 .message_editor
749 .update(cx, |editor, cx| editor.take_message(cx));
750
751 if let Some(task) = chat
752 .update(cx, |chat, cx| chat.send_message(message, cx))
753 .log_err()
754 {
755 task.detach();
756 }
757 }
758 }
759
760 fn remove_message(&mut self, id: u64, cx: &mut ViewContext<Self>) {
761 if let Some((chat, _)) = self.active_chat.as_ref() {
762 chat.update(cx, |chat, cx| chat.remove_message(id, cx).detach())
763 }
764 }
765
766 fn load_more_messages(&mut self, cx: &mut ViewContext<Self>) {
767 if let Some((chat, _)) = self.active_chat.as_ref() {
768 chat.update(cx, |channel, cx| {
769 if let Some(task) = channel.load_more_messages(cx) {
770 task.detach();
771 }
772 })
773 }
774 }
775
776 pub fn select_channel(
777 &mut self,
778 selected_channel_id: ChannelId,
779 scroll_to_message_id: Option<u64>,
780 cx: &mut ViewContext<ChatPanel>,
781 ) -> Task<Result<()>> {
782 let open_chat = self
783 .active_chat
784 .as_ref()
785 .and_then(|(chat, _)| {
786 (chat.read(cx).channel_id == selected_channel_id)
787 .then(|| Task::ready(anyhow::Ok(chat.clone())))
788 })
789 .unwrap_or_else(|| {
790 self.channel_store.update(cx, |store, cx| {
791 store.open_channel_chat(selected_channel_id, cx)
792 })
793 });
794
795 cx.spawn(|this, mut cx| async move {
796 let chat = open_chat.await?;
797 let highlight_message_id = scroll_to_message_id;
798 let scroll_to_message_id = this.update(&mut cx, |this, cx| {
799 this.set_active_chat(chat.clone(), cx);
800
801 scroll_to_message_id.or_else(|| this.last_acknowledged_message_id)
802 })?;
803
804 if let Some(message_id) = scroll_to_message_id {
805 if let Some(item_ix) =
806 ChannelChat::load_history_since_message(chat.clone(), message_id, (*cx).clone())
807 .await
808 {
809 this.update(&mut cx, |this, cx| {
810 if let Some(highlight_message_id) = highlight_message_id {
811 let task = cx.spawn({
812 |this, mut cx| async move {
813 cx.background_executor().timer(Duration::from_secs(2)).await;
814 this.update(&mut cx, |this, cx| {
815 this.highlighted_message.take();
816 cx.notify();
817 })
818 .ok();
819 }
820 });
821
822 this.highlighted_message = Some((highlight_message_id, task));
823 }
824
825 if this.active_chat.as_ref().map_or(false, |(c, _)| *c == chat) {
826 this.message_list.scroll_to(ListOffset {
827 item_ix,
828 offset_in_item: px(0.0),
829 });
830 cx.notify();
831 }
832 })?;
833 }
834 }
835
836 Ok(())
837 })
838 }
839
840 fn close_reply_preview(&mut self, _: &CloseReplyPreview, cx: &mut ViewContext<Self>) {
841 self.message_editor
842 .update(cx, |editor, _| editor.clear_reply_to_message_id());
843 }
844}
845
846impl Render for ChatPanel {
847 fn render(&mut self, cx: &mut ViewContext<Self>) -> impl IntoElement {
848 let reply_to_message_id = self.message_editor.read(cx).reply_to_message_id();
849
850 v_flex()
851 .key_context("ChatPanel")
852 .track_focus(&self.focus_handle)
853 .size_full()
854 .on_action(cx.listener(Self::send))
855 .child(
856 h_flex().child(
857 TabBar::new("chat_header").child(
858 h_flex()
859 .w_full()
860 .h(rems(ui::Tab::CONTAINER_HEIGHT_IN_REMS))
861 .px_2()
862 .child(Label::new(
863 self.active_chat
864 .as_ref()
865 .and_then(|c| {
866 Some(format!("#{}", c.0.read(cx).channel(cx)?.name))
867 })
868 .unwrap_or("Chat".to_string()),
869 )),
870 ),
871 ),
872 )
873 .child(div().flex_grow().px_2().map(|this| {
874 if self.active_chat.is_some() {
875 this.child(list(self.message_list.clone()).size_full())
876 } else {
877 this.child(
878 div()
879 .size_full()
880 .p_4()
881 .child(
882 Label::new("Select a channel to chat in.")
883 .size(LabelSize::Small)
884 .color(Color::Muted),
885 )
886 .child(
887 div().pt_1().w_full().items_center().child(
888 Button::new("toggle-collab", "Open")
889 .full_width()
890 .key_binding(KeyBinding::for_action(
891 &collab_panel::ToggleFocus,
892 cx,
893 ))
894 .on_click(|_, cx| {
895 cx.dispatch_action(
896 collab_panel::ToggleFocus.boxed_clone(),
897 )
898 }),
899 ),
900 ),
901 )
902 }
903 }))
904 .when_some(reply_to_message_id, |el, reply_to_message_id| {
905 let reply_message = self
906 .active_chat()
907 .and_then(|active_chat| {
908 active_chat.read(cx).messages().iter().find(|message| {
909 message.id == ChannelMessageId::Saved(reply_to_message_id)
910 })
911 })
912 .cloned();
913
914 el.when_some(reply_message, |el, reply_message| {
915 el.child(
916 h_flex()
917 .when(!self.is_scrolled_to_bottom, |el| {
918 el.border_t_1().border_color(cx.theme().colors().border)
919 })
920 .justify_between()
921 .overflow_hidden()
922 .items_start()
923 .py_1()
924 .px_2()
925 .bg(cx.theme().colors().background)
926 .child(
927 div().flex_shrink().overflow_hidden().child(
928 self.render_replied_to_message(None, &reply_message, cx),
929 ),
930 )
931 .child(
932 IconButton::new("close-reply-preview", IconName::Close)
933 .shape(ui::IconButtonShape::Square)
934 .tooltip(|cx| {
935 Tooltip::for_action(
936 "Close reply preview",
937 &CloseReplyPreview,
938 cx,
939 )
940 })
941 .on_click(cx.listener(move |_, _, cx| {
942 cx.dispatch_action(CloseReplyPreview.boxed_clone())
943 })),
944 ),
945 )
946 })
947 })
948 .children(
949 Some(
950 h_flex()
951 .key_context("MessageEditor")
952 .on_action(cx.listener(ChatPanel::close_reply_preview))
953 .when(
954 !self.is_scrolled_to_bottom && reply_to_message_id.is_none(),
955 |el| el.border_t_1().border_color(cx.theme().colors().border),
956 )
957 .p_2()
958 .map(|el| el.child(self.message_editor.clone())),
959 )
960 .filter(|_| self.active_chat.is_some()),
961 )
962 .into_any()
963 }
964}
965
966impl FocusableView for ChatPanel {
967 fn focus_handle(&self, cx: &AppContext) -> gpui::FocusHandle {
968 if self.active_chat.is_some() {
969 self.message_editor.read(cx).focus_handle(cx)
970 } else {
971 self.focus_handle.clone()
972 }
973 }
974}
975
976impl Panel for ChatPanel {
977 fn position(&self, cx: &gpui::WindowContext) -> DockPosition {
978 ChatPanelSettings::get_global(cx).dock
979 }
980
981 fn position_is_valid(&self, position: DockPosition) -> bool {
982 matches!(position, DockPosition::Left | DockPosition::Right)
983 }
984
985 fn set_position(&mut self, position: DockPosition, cx: &mut ViewContext<Self>) {
986 settings::update_settings_file::<ChatPanelSettings>(self.fs.clone(), cx, move |settings| {
987 settings.dock = Some(position)
988 });
989 }
990
991 fn size(&self, cx: &gpui::WindowContext) -> Pixels {
992 self.width
993 .unwrap_or_else(|| ChatPanelSettings::get_global(cx).default_width)
994 }
995
996 fn set_size(&mut self, size: Option<Pixels>, cx: &mut ViewContext<Self>) {
997 self.width = size;
998 self.serialize(cx);
999 cx.notify();
1000 }
1001
1002 fn set_active(&mut self, active: bool, cx: &mut ViewContext<Self>) {
1003 self.active = active;
1004 if active {
1005 self.acknowledge_last_message(cx);
1006 }
1007 }
1008
1009 fn persistent_name() -> &'static str {
1010 "ChatPanel"
1011 }
1012
1013 fn icon(&self, cx: &WindowContext) -> Option<ui::IconName> {
1014 Some(ui::IconName::MessageBubbles).filter(|_| ChatPanelSettings::get_global(cx).button)
1015 }
1016
1017 fn icon_tooltip(&self, _cx: &WindowContext) -> Option<&'static str> {
1018 Some("Chat Panel")
1019 }
1020
1021 fn toggle_action(&self) -> Box<dyn gpui::Action> {
1022 Box::new(ToggleFocus)
1023 }
1024
1025 fn starts_open(&self, cx: &WindowContext) -> bool {
1026 ActiveCall::global(cx)
1027 .read(cx)
1028 .room()
1029 .is_some_and(|room| room.read(cx).contains_guests())
1030 }
1031}
1032
1033impl EventEmitter<PanelEvent> for ChatPanel {}
1034
1035#[cfg(test)]
1036mod tests {
1037 use super::*;
1038 use gpui::HighlightStyle;
1039 use pretty_assertions::assert_eq;
1040 use rich_text::Highlight;
1041 use time::OffsetDateTime;
1042 use util::test::marked_text_ranges;
1043
1044 #[gpui::test]
1045 fn test_render_markdown_with_mentions() {
1046 let language_registry = Arc::new(LanguageRegistry::test());
1047 let (body, ranges) = marked_text_ranges("*hi*, «@abc», let's **call** «@fgh»", false);
1048 let message = channel::ChannelMessage {
1049 id: ChannelMessageId::Saved(0),
1050 body,
1051 timestamp: OffsetDateTime::now_utc(),
1052 sender: Arc::new(client::User {
1053 github_login: "fgh".into(),
1054 avatar_uri: "avatar_fgh".into(),
1055 id: 103,
1056 }),
1057 nonce: 5,
1058 mentions: vec![(ranges[0].clone(), 101), (ranges[1].clone(), 102)],
1059 reply_to_message_id: None,
1060 };
1061
1062 let message = ChatPanel::render_markdown_with_mentions(&language_registry, 102, &message);
1063
1064 // Note that the "'" was replaced with ’ due to smart punctuation.
1065 let (body, ranges) = marked_text_ranges("«hi», «@abc», let’s «call» «@fgh»", false);
1066 assert_eq!(message.text, body);
1067 assert_eq!(
1068 message.highlights,
1069 vec![
1070 (
1071 ranges[0].clone(),
1072 HighlightStyle {
1073 font_style: Some(gpui::FontStyle::Italic),
1074 ..Default::default()
1075 }
1076 .into()
1077 ),
1078 (ranges[1].clone(), Highlight::Mention),
1079 (
1080 ranges[2].clone(),
1081 HighlightStyle {
1082 font_weight: Some(gpui::FontWeight::BOLD),
1083 ..Default::default()
1084 }
1085 .into()
1086 ),
1087 (ranges[3].clone(), Highlight::SelfMention)
1088 ]
1089 );
1090 }
1091
1092 #[gpui::test]
1093 fn test_render_markdown_with_auto_detect_links() {
1094 let language_registry = Arc::new(LanguageRegistry::test());
1095 let message = channel::ChannelMessage {
1096 id: ChannelMessageId::Saved(0),
1097 body: "Here is a link https://zed.dev to zeds website".to_string(),
1098 timestamp: OffsetDateTime::now_utc(),
1099 sender: Arc::new(client::User {
1100 github_login: "fgh".into(),
1101 avatar_uri: "avatar_fgh".into(),
1102 id: 103,
1103 }),
1104 nonce: 5,
1105 mentions: Vec::new(),
1106 reply_to_message_id: None,
1107 };
1108
1109 let message = ChatPanel::render_markdown_with_mentions(&language_registry, 102, &message);
1110
1111 // Note that the "'" was replaced with ’ due to smart punctuation.
1112 let (body, ranges) =
1113 marked_text_ranges("Here is a link «https://zed.dev» to zeds website", false);
1114 assert_eq!(message.text, body);
1115 assert_eq!(1, ranges.len());
1116 assert_eq!(
1117 message.highlights,
1118 vec![(
1119 ranges[0].clone(),
1120 HighlightStyle {
1121 underline: Some(gpui::UnderlineStyle {
1122 thickness: 1.0.into(),
1123 ..Default::default()
1124 }),
1125 ..Default::default()
1126 }
1127 .into()
1128 ),]
1129 );
1130 }
1131
1132 #[gpui::test]
1133 fn test_render_markdown_with_auto_detect_links_and_additional_formatting() {
1134 let language_registry = Arc::new(LanguageRegistry::test());
1135 let message = channel::ChannelMessage {
1136 id: ChannelMessageId::Saved(0),
1137 body: "**Here is a link https://zed.dev to zeds website**".to_string(),
1138 timestamp: OffsetDateTime::now_utc(),
1139 sender: Arc::new(client::User {
1140 github_login: "fgh".into(),
1141 avatar_uri: "avatar_fgh".into(),
1142 id: 103,
1143 }),
1144 nonce: 5,
1145 mentions: Vec::new(),
1146 reply_to_message_id: None,
1147 };
1148
1149 let message = ChatPanel::render_markdown_with_mentions(&language_registry, 102, &message);
1150
1151 // Note that the "'" was replaced with ’ due to smart punctuation.
1152 let (body, ranges) = marked_text_ranges(
1153 "«Here is a link »«https://zed.dev»« to zeds website»",
1154 false,
1155 );
1156 assert_eq!(message.text, body);
1157 assert_eq!(3, ranges.len());
1158 assert_eq!(
1159 message.highlights,
1160 vec![
1161 (
1162 ranges[0].clone(),
1163 HighlightStyle {
1164 font_weight: Some(gpui::FontWeight::BOLD),
1165 ..Default::default()
1166 }
1167 .into()
1168 ),
1169 (
1170 ranges[1].clone(),
1171 HighlightStyle {
1172 font_weight: Some(gpui::FontWeight::BOLD),
1173 underline: Some(gpui::UnderlineStyle {
1174 thickness: 1.0.into(),
1175 ..Default::default()
1176 }),
1177 ..Default::default()
1178 }
1179 .into()
1180 ),
1181 (
1182 ranges[2].clone(),
1183 HighlightStyle {
1184 font_weight: Some(gpui::FontWeight::BOLD),
1185 ..Default::default()
1186 }
1187 .into()
1188 ),
1189 ]
1190 );
1191 }
1192}