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 OffsetDateTime::now_utc(),
497 message.timestamp,
498 self.local_timezone,
499 ))
500 .size(LabelSize::Small)
501 .color(Color::Muted),
502 ),
503 )
504 })
505 .when(
506 message.reply_to_message_id.is_some() && reply_to_message.is_none(),
507 |this| {
508 const MESSAGE_DELETED: &str = "Message has been deleted";
509
510 let body_text = StyledText::new(MESSAGE_DELETED).with_highlights(
511 &cx.text_style(),
512 vec![(
513 0..MESSAGE_DELETED.len(),
514 HighlightStyle {
515 font_style: Some(FontStyle::Italic),
516 ..Default::default()
517 },
518 )],
519 );
520
521 this.child(
522 div()
523 .border_l_2()
524 .text_ui_xs()
525 .border_color(cx.theme().colors().border)
526 .px_1()
527 .py_0p5()
528 .child(body_text),
529 )
530 },
531 )
532 .when_some(reply_to_message, |el, reply_to_message| {
533 el.child(self.render_replied_to_message(
534 Some(message.id),
535 &reply_to_message,
536 cx,
537 ))
538 })
539 .when(mentioning_you || replied_to_you, |this| this.my_0p5())
540 .map(|el| {
541 let text = self.markdown_data.entry(message.id).or_insert_with(|| {
542 Self::render_markdown_with_mentions(
543 &self.languages,
544 self.client.id(),
545 &message,
546 )
547 });
548 el.child(
549 v_flex()
550 .w_full()
551 .text_ui_sm()
552 .id(element_id)
553 .child(text.element("body".into(), cx)),
554 )
555 .when(self.has_open_menu(message_id), |el| {
556 el.bg(cx.theme().colors().element_selected)
557 })
558 }),
559 )
560 .when(
561 self.last_acknowledged_message_id
562 .is_some_and(|l| Some(l) == message_id),
563 |this| {
564 this.child(
565 h_flex()
566 .py_2()
567 .gap_1()
568 .items_center()
569 .child(div().w_full().h_0p5().bg(cx.theme().colors().border))
570 .child(
571 div()
572 .px_1()
573 .rounded_md()
574 .text_ui_xs()
575 .bg(cx.theme().colors().background)
576 .child("New messages"),
577 )
578 .child(div().w_full().h_0p5().bg(cx.theme().colors().border)),
579 )
580 },
581 )
582 .child(
583 self.render_popover_buttons(&cx, message_id, can_delete_message)
584 .neg_mt_2p5(),
585 )
586 }
587
588 fn has_open_menu(&self, message_id: Option<u64>) -> bool {
589 match self.open_context_menu.as_ref() {
590 Some((id, _)) => Some(*id) == message_id,
591 None => false,
592 }
593 }
594
595 fn render_popover_buttons(
596 &self,
597 cx: &ViewContext<Self>,
598 message_id: Option<u64>,
599 can_delete_message: bool,
600 ) -> Div {
601 div()
602 .absolute()
603 .child(
604 div()
605 .absolute()
606 .right_8()
607 .w_6()
608 .rounded_tl_md()
609 .rounded_bl_md()
610 .border_l_1()
611 .border_t_1()
612 .border_b_1()
613 .border_color(cx.theme().colors().element_selected)
614 .bg(cx.theme().colors().element_background)
615 .hover(|style| style.bg(cx.theme().colors().element_hover))
616 .when(!self.has_open_menu(message_id), |el| {
617 el.visible_on_hover("")
618 })
619 .when_some(message_id, |el, message_id| {
620 el.child(
621 div()
622 .id("reply")
623 .child(
624 IconButton::new(("reply", message_id), IconName::ReplyArrow)
625 .on_click(cx.listener(move |this, _, cx| {
626 this.message_editor.update(cx, |editor, cx| {
627 editor.set_reply_to_message_id(message_id);
628 editor.focus_handle(cx).focus(cx);
629 })
630 })),
631 )
632 .tooltip(|cx| Tooltip::text("Reply", cx)),
633 )
634 }),
635 )
636 .child(
637 div()
638 .absolute()
639 .right_2()
640 .w_6()
641 .rounded_tr_md()
642 .rounded_br_md()
643 .border_r_1()
644 .border_t_1()
645 .border_b_1()
646 .border_color(cx.theme().colors().element_selected)
647 .bg(cx.theme().colors().element_background)
648 .hover(|style| style.bg(cx.theme().colors().element_hover))
649 .when(!self.has_open_menu(message_id), |el| {
650 el.visible_on_hover("")
651 })
652 .when_some(message_id, |el, message_id| {
653 let this = cx.view().clone();
654
655 el.child(
656 div()
657 .id("more")
658 .child(
659 popover_menu(("menu", message_id))
660 .trigger(IconButton::new(
661 ("trigger", message_id),
662 IconName::Ellipsis,
663 ))
664 .menu(move |cx| {
665 Some(Self::render_message_menu(
666 &this,
667 message_id,
668 can_delete_message,
669 cx,
670 ))
671 }),
672 )
673 .tooltip(|cx| Tooltip::text("More", cx)),
674 )
675 }),
676 )
677 }
678
679 fn render_message_menu(
680 this: &View<Self>,
681 message_id: u64,
682 can_delete_message: bool,
683 cx: &mut WindowContext,
684 ) -> View<ContextMenu> {
685 let menu = {
686 ContextMenu::build(cx, move |menu, cx| {
687 menu.entry(
688 "Reply to message",
689 None,
690 cx.handler_for(&this, move |this, cx| {
691 this.message_editor.update(cx, |editor, cx| {
692 editor.set_reply_to_message_id(message_id);
693 editor.focus_handle(cx).focus(cx);
694 })
695 }),
696 )
697 .entry(
698 "Copy message text",
699 None,
700 cx.handler_for(&this, move |this, cx| {
701 if let Some(message) = this.active_chat().and_then(|active_chat| {
702 active_chat.read(cx).find_loaded_message(message_id)
703 }) {
704 let text = message.body.clone();
705 cx.write_to_clipboard(ClipboardItem::new(text))
706 }
707 }),
708 )
709 .when(can_delete_message, move |menu| {
710 menu.entry(
711 "Delete message",
712 None,
713 cx.handler_for(&this, move |this, cx| this.remove_message(message_id, cx)),
714 )
715 })
716 })
717 };
718 this.update(cx, |this, cx| {
719 let subscription = cx.subscribe(&menu, |this: &mut Self, _, _: &DismissEvent, _| {
720 this.open_context_menu = None;
721 });
722 this.open_context_menu = Some((message_id, subscription));
723 });
724 menu
725 }
726
727 fn render_markdown_with_mentions(
728 language_registry: &Arc<LanguageRegistry>,
729 current_user_id: u64,
730 message: &channel::ChannelMessage,
731 ) -> RichText {
732 let mentions = message
733 .mentions
734 .iter()
735 .map(|(range, user_id)| rich_text::Mention {
736 range: range.clone(),
737 is_self_mention: *user_id == current_user_id,
738 })
739 .collect::<Vec<_>>();
740
741 rich_text::render_rich_text(message.body.clone(), &mentions, language_registry, None)
742 }
743
744 fn send(&mut self, _: &Confirm, cx: &mut ViewContext<Self>) {
745 if let Some((chat, _)) = self.active_chat.as_ref() {
746 let message = self
747 .message_editor
748 .update(cx, |editor, cx| editor.take_message(cx));
749
750 if let Some(task) = chat
751 .update(cx, |chat, cx| chat.send_message(message, cx))
752 .log_err()
753 {
754 task.detach();
755 }
756 }
757 }
758
759 fn remove_message(&mut self, id: u64, cx: &mut ViewContext<Self>) {
760 if let Some((chat, _)) = self.active_chat.as_ref() {
761 chat.update(cx, |chat, cx| chat.remove_message(id, cx).detach())
762 }
763 }
764
765 fn load_more_messages(&mut self, cx: &mut ViewContext<Self>) {
766 if let Some((chat, _)) = self.active_chat.as_ref() {
767 chat.update(cx, |channel, cx| {
768 if let Some(task) = channel.load_more_messages(cx) {
769 task.detach();
770 }
771 })
772 }
773 }
774
775 pub fn select_channel(
776 &mut self,
777 selected_channel_id: ChannelId,
778 scroll_to_message_id: Option<u64>,
779 cx: &mut ViewContext<ChatPanel>,
780 ) -> Task<Result<()>> {
781 let open_chat = self
782 .active_chat
783 .as_ref()
784 .and_then(|(chat, _)| {
785 (chat.read(cx).channel_id == selected_channel_id)
786 .then(|| Task::ready(anyhow::Ok(chat.clone())))
787 })
788 .unwrap_or_else(|| {
789 self.channel_store.update(cx, |store, cx| {
790 store.open_channel_chat(selected_channel_id, cx)
791 })
792 });
793
794 cx.spawn(|this, mut cx| async move {
795 let chat = open_chat.await?;
796 let highlight_message_id = scroll_to_message_id;
797 let scroll_to_message_id = this.update(&mut cx, |this, cx| {
798 this.set_active_chat(chat.clone(), cx);
799
800 scroll_to_message_id.or_else(|| this.last_acknowledged_message_id)
801 })?;
802
803 if let Some(message_id) = scroll_to_message_id {
804 if let Some(item_ix) =
805 ChannelChat::load_history_since_message(chat.clone(), message_id, (*cx).clone())
806 .await
807 {
808 this.update(&mut cx, |this, cx| {
809 if let Some(highlight_message_id) = highlight_message_id {
810 let task = cx.spawn({
811 |this, mut cx| async move {
812 cx.background_executor().timer(Duration::from_secs(2)).await;
813 this.update(&mut cx, |this, cx| {
814 this.highlighted_message.take();
815 cx.notify();
816 })
817 .ok();
818 }
819 });
820
821 this.highlighted_message = Some((highlight_message_id, task));
822 }
823
824 if this.active_chat.as_ref().map_or(false, |(c, _)| *c == chat) {
825 this.message_list.scroll_to(ListOffset {
826 item_ix,
827 offset_in_item: px(0.0),
828 });
829 cx.notify();
830 }
831 })?;
832 }
833 }
834
835 Ok(())
836 })
837 }
838
839 fn close_reply_preview(&mut self, _: &CloseReplyPreview, cx: &mut ViewContext<Self>) {
840 self.message_editor
841 .update(cx, |editor, _| editor.clear_reply_to_message_id());
842 }
843}
844
845impl Render for ChatPanel {
846 fn render(&mut self, cx: &mut ViewContext<Self>) -> impl IntoElement {
847 let reply_to_message_id = self.message_editor.read(cx).reply_to_message_id();
848
849 v_flex()
850 .key_context("ChatPanel")
851 .track_focus(&self.focus_handle)
852 .size_full()
853 .on_action(cx.listener(Self::send))
854 .child(
855 h_flex().child(
856 TabBar::new("chat_header").child(
857 h_flex()
858 .w_full()
859 .h(rems(ui::Tab::CONTAINER_HEIGHT_IN_REMS))
860 .px_2()
861 .child(Label::new(
862 self.active_chat
863 .as_ref()
864 .and_then(|c| {
865 Some(format!("#{}", c.0.read(cx).channel(cx)?.name))
866 })
867 .unwrap_or("Chat".to_string()),
868 )),
869 ),
870 ),
871 )
872 .child(div().flex_grow().px_2().map(|this| {
873 if self.active_chat.is_some() {
874 this.child(list(self.message_list.clone()).size_full())
875 } else {
876 this.child(
877 div()
878 .size_full()
879 .p_4()
880 .child(
881 Label::new("Select a channel to chat in.")
882 .size(LabelSize::Small)
883 .color(Color::Muted),
884 )
885 .child(
886 div().pt_1().w_full().items_center().child(
887 Button::new("toggle-collab", "Open")
888 .full_width()
889 .key_binding(KeyBinding::for_action(
890 &collab_panel::ToggleFocus,
891 cx,
892 ))
893 .on_click(|_, cx| {
894 cx.dispatch_action(
895 collab_panel::ToggleFocus.boxed_clone(),
896 )
897 }),
898 ),
899 ),
900 )
901 }
902 }))
903 .when_some(reply_to_message_id, |el, reply_to_message_id| {
904 let reply_message = self
905 .active_chat()
906 .and_then(|active_chat| {
907 active_chat.read(cx).messages().iter().find(|message| {
908 message.id == ChannelMessageId::Saved(reply_to_message_id)
909 })
910 })
911 .cloned();
912
913 el.when_some(reply_message, |el, reply_message| {
914 el.child(
915 h_flex()
916 .when(!self.is_scrolled_to_bottom, |el| {
917 el.border_t_1().border_color(cx.theme().colors().border)
918 })
919 .justify_between()
920 .overflow_hidden()
921 .items_start()
922 .py_1()
923 .px_2()
924 .bg(cx.theme().colors().background)
925 .child(
926 div().flex_shrink().overflow_hidden().child(
927 self.render_replied_to_message(None, &reply_message, cx),
928 ),
929 )
930 .child(
931 IconButton::new("close-reply-preview", IconName::Close)
932 .shape(ui::IconButtonShape::Square)
933 .tooltip(|cx| {
934 Tooltip::for_action(
935 "Close reply preview",
936 &CloseReplyPreview,
937 cx,
938 )
939 })
940 .on_click(cx.listener(move |_, _, cx| {
941 cx.dispatch_action(CloseReplyPreview.boxed_clone())
942 })),
943 ),
944 )
945 })
946 })
947 .children(
948 Some(
949 h_flex()
950 .key_context("MessageEditor")
951 .on_action(cx.listener(ChatPanel::close_reply_preview))
952 .when(
953 !self.is_scrolled_to_bottom && reply_to_message_id.is_none(),
954 |el| el.border_t_1().border_color(cx.theme().colors().border),
955 )
956 .p_2()
957 .map(|el| el.child(self.message_editor.clone())),
958 )
959 .filter(|_| self.active_chat.is_some()),
960 )
961 .into_any()
962 }
963}
964
965impl FocusableView for ChatPanel {
966 fn focus_handle(&self, cx: &AppContext) -> gpui::FocusHandle {
967 if self.active_chat.is_some() {
968 self.message_editor.read(cx).focus_handle(cx)
969 } else {
970 self.focus_handle.clone()
971 }
972 }
973}
974
975impl Panel for ChatPanel {
976 fn position(&self, cx: &gpui::WindowContext) -> DockPosition {
977 ChatPanelSettings::get_global(cx).dock
978 }
979
980 fn position_is_valid(&self, position: DockPosition) -> bool {
981 matches!(position, DockPosition::Left | DockPosition::Right)
982 }
983
984 fn set_position(&mut self, position: DockPosition, cx: &mut ViewContext<Self>) {
985 settings::update_settings_file::<ChatPanelSettings>(self.fs.clone(), cx, move |settings| {
986 settings.dock = Some(position)
987 });
988 }
989
990 fn size(&self, cx: &gpui::WindowContext) -> Pixels {
991 self.width
992 .unwrap_or_else(|| ChatPanelSettings::get_global(cx).default_width)
993 }
994
995 fn set_size(&mut self, size: Option<Pixels>, cx: &mut ViewContext<Self>) {
996 self.width = size;
997 self.serialize(cx);
998 cx.notify();
999 }
1000
1001 fn set_active(&mut self, active: bool, cx: &mut ViewContext<Self>) {
1002 self.active = active;
1003 if active {
1004 self.acknowledge_last_message(cx);
1005 }
1006 }
1007
1008 fn persistent_name() -> &'static str {
1009 "ChatPanel"
1010 }
1011
1012 fn icon(&self, cx: &WindowContext) -> Option<ui::IconName> {
1013 Some(ui::IconName::MessageBubbles).filter(|_| ChatPanelSettings::get_global(cx).button)
1014 }
1015
1016 fn icon_tooltip(&self, _cx: &WindowContext) -> Option<&'static str> {
1017 Some("Chat Panel")
1018 }
1019
1020 fn toggle_action(&self) -> Box<dyn gpui::Action> {
1021 Box::new(ToggleFocus)
1022 }
1023
1024 fn starts_open(&self, cx: &WindowContext) -> bool {
1025 ActiveCall::global(cx)
1026 .read(cx)
1027 .room()
1028 .is_some_and(|room| room.read(cx).contains_guests())
1029 }
1030}
1031
1032impl EventEmitter<PanelEvent> for ChatPanel {}
1033
1034#[cfg(test)]
1035mod tests {
1036 use super::*;
1037 use gpui::HighlightStyle;
1038 use pretty_assertions::assert_eq;
1039 use rich_text::Highlight;
1040 use time::OffsetDateTime;
1041 use util::test::marked_text_ranges;
1042
1043 #[gpui::test]
1044 fn test_render_markdown_with_mentions() {
1045 let language_registry = Arc::new(LanguageRegistry::test());
1046 let (body, ranges) = marked_text_ranges("*hi*, «@abc», let's **call** «@fgh»", false);
1047 let message = channel::ChannelMessage {
1048 id: ChannelMessageId::Saved(0),
1049 body,
1050 timestamp: OffsetDateTime::now_utc(),
1051 sender: Arc::new(client::User {
1052 github_login: "fgh".into(),
1053 avatar_uri: "avatar_fgh".into(),
1054 id: 103,
1055 }),
1056 nonce: 5,
1057 mentions: vec![(ranges[0].clone(), 101), (ranges[1].clone(), 102)],
1058 reply_to_message_id: None,
1059 };
1060
1061 let message = ChatPanel::render_markdown_with_mentions(&language_registry, 102, &message);
1062
1063 // Note that the "'" was replaced with ’ due to smart punctuation.
1064 let (body, ranges) = marked_text_ranges("«hi», «@abc», let’s «call» «@fgh»", false);
1065 assert_eq!(message.text, body);
1066 assert_eq!(
1067 message.highlights,
1068 vec![
1069 (
1070 ranges[0].clone(),
1071 HighlightStyle {
1072 font_style: Some(gpui::FontStyle::Italic),
1073 ..Default::default()
1074 }
1075 .into()
1076 ),
1077 (ranges[1].clone(), Highlight::Mention),
1078 (
1079 ranges[2].clone(),
1080 HighlightStyle {
1081 font_weight: Some(gpui::FontWeight::BOLD),
1082 ..Default::default()
1083 }
1084 .into()
1085 ),
1086 (ranges[3].clone(), Highlight::SelfMention)
1087 ]
1088 );
1089 }
1090
1091 #[gpui::test]
1092 fn test_render_markdown_with_auto_detect_links() {
1093 let language_registry = Arc::new(LanguageRegistry::test());
1094 let message = channel::ChannelMessage {
1095 id: ChannelMessageId::Saved(0),
1096 body: "Here is a link https://zed.dev to zeds website".to_string(),
1097 timestamp: OffsetDateTime::now_utc(),
1098 sender: Arc::new(client::User {
1099 github_login: "fgh".into(),
1100 avatar_uri: "avatar_fgh".into(),
1101 id: 103,
1102 }),
1103 nonce: 5,
1104 mentions: Vec::new(),
1105 reply_to_message_id: None,
1106 };
1107
1108 let message = ChatPanel::render_markdown_with_mentions(&language_registry, 102, &message);
1109
1110 // Note that the "'" was replaced with ’ due to smart punctuation.
1111 let (body, ranges) =
1112 marked_text_ranges("Here is a link «https://zed.dev» to zeds website", false);
1113 assert_eq!(message.text, body);
1114 assert_eq!(1, ranges.len());
1115 assert_eq!(
1116 message.highlights,
1117 vec![(
1118 ranges[0].clone(),
1119 HighlightStyle {
1120 underline: Some(gpui::UnderlineStyle {
1121 thickness: 1.0.into(),
1122 ..Default::default()
1123 }),
1124 ..Default::default()
1125 }
1126 .into()
1127 ),]
1128 );
1129 }
1130
1131 #[gpui::test]
1132 fn test_render_markdown_with_auto_detect_links_and_additional_formatting() {
1133 let language_registry = Arc::new(LanguageRegistry::test());
1134 let message = channel::ChannelMessage {
1135 id: ChannelMessageId::Saved(0),
1136 body: "**Here is a link https://zed.dev to zeds website**".to_string(),
1137 timestamp: OffsetDateTime::now_utc(),
1138 sender: Arc::new(client::User {
1139 github_login: "fgh".into(),
1140 avatar_uri: "avatar_fgh".into(),
1141 id: 103,
1142 }),
1143 nonce: 5,
1144 mentions: Vec::new(),
1145 reply_to_message_id: None,
1146 };
1147
1148 let message = ChatPanel::render_markdown_with_mentions(&language_registry, 102, &message);
1149
1150 // Note that the "'" was replaced with ’ due to smart punctuation.
1151 let (body, ranges) = marked_text_ranges(
1152 "«Here is a link »«https://zed.dev»« to zeds website»",
1153 false,
1154 );
1155 assert_eq!(message.text, body);
1156 assert_eq!(3, ranges.len());
1157 assert_eq!(
1158 message.highlights,
1159 vec![
1160 (
1161 ranges[0].clone(),
1162 HighlightStyle {
1163 font_weight: Some(gpui::FontWeight::BOLD),
1164 ..Default::default()
1165 }
1166 .into()
1167 ),
1168 (
1169 ranges[1].clone(),
1170 HighlightStyle {
1171 font_weight: Some(gpui::FontWeight::BOLD),
1172 underline: Some(gpui::UnderlineStyle {
1173 thickness: 1.0.into(),
1174 ..Default::default()
1175 }),
1176 ..Default::default()
1177 }
1178 .into()
1179 ),
1180 (
1181 ranges[2].clone(),
1182 HighlightStyle {
1183 font_weight: Some(gpui::FontWeight::BOLD),
1184 ..Default::default()
1185 }
1186 .into()
1187 ),
1188 ]
1189 );
1190 }
1191}