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 .child(
468 div()
469 .group("")
470 .bg(background)
471 .rounded_md()
472 .overflow_hidden()
473 .px_1()
474 .py_0p5()
475 .when(!self.has_open_menu(message_id), |this| {
476 this.hover(|style| style.bg(cx.theme().colors().element_hover))
477 })
478 .when(!is_continuation_from_previous, |this| {
479 this.mt_2().child(
480 h_flex()
481 .text_ui_sm()
482 .child(div().absolute().child(
483 Avatar::new(message.sender.avatar_uri.clone()).size(rems(1.)),
484 ))
485 .child(
486 div()
487 .pl(cx.rem_size() + px(6.0))
488 .pr(px(8.0))
489 .font_weight(FontWeight::BOLD)
490 .child(Label::new(message.sender.github_login.clone())),
491 )
492 .child(
493 Label::new(time_format::format_localized_timestamp(
494 OffsetDateTime::now_utc(),
495 message.timestamp,
496 self.local_timezone,
497 ))
498 .size(LabelSize::Small)
499 .color(Color::Muted),
500 )
501 .map(|el| {
502 el.child(self.render_popover_button(
503 &cx,
504 message_id,
505 can_delete_message,
506 ))
507 }),
508 )
509 })
510 .when(is_continuation_from_previous, |el| {
511 el.child(self.render_popover_button(&cx, message_id, can_delete_message))
512 })
513 .when(
514 message.reply_to_message_id.is_some() && reply_to_message.is_none(),
515 |this| {
516 const MESSAGE_DELETED: &str = "Message has been deleted";
517
518 let body_text = StyledText::new(MESSAGE_DELETED).with_highlights(
519 &cx.text_style(),
520 vec![(
521 0..MESSAGE_DELETED.len(),
522 HighlightStyle {
523 font_style: Some(FontStyle::Italic),
524 ..Default::default()
525 },
526 )],
527 );
528
529 this.child(
530 div()
531 .border_l_2()
532 .text_ui_xs()
533 .border_color(cx.theme().colors().border)
534 .px_1()
535 .py_0p5()
536 .child(body_text),
537 )
538 },
539 )
540 .when_some(reply_to_message, |el, reply_to_message| {
541 el.child(self.render_replied_to_message(
542 Some(message.id),
543 &reply_to_message,
544 cx,
545 ))
546 })
547 .when(mentioning_you || replied_to_you, |this| this.my_0p5())
548 .map(|el| {
549 let text = self.markdown_data.entry(message.id).or_insert_with(|| {
550 Self::render_markdown_with_mentions(
551 &self.languages,
552 self.client.id(),
553 &message,
554 )
555 });
556 el.child(
557 v_flex()
558 .w_full()
559 .text_ui_sm()
560 .id(element_id)
561 .child(text.element("body".into(), cx)),
562 )
563 .when(self.has_open_menu(message_id), |el| {
564 el.bg(cx.theme().colors().element_selected)
565 })
566 }),
567 )
568 .when(
569 self.last_acknowledged_message_id
570 .is_some_and(|l| Some(l) == message_id),
571 |this| {
572 this.child(
573 h_flex()
574 .py_2()
575 .gap_1()
576 .items_center()
577 .child(div().w_full().h_0p5().bg(cx.theme().colors().border))
578 .child(
579 div()
580 .px_1()
581 .rounded_md()
582 .text_ui_xs()
583 .bg(cx.theme().colors().background)
584 .child("New messages"),
585 )
586 .child(div().w_full().h_0p5().bg(cx.theme().colors().border)),
587 )
588 },
589 )
590 }
591
592 fn has_open_menu(&self, message_id: Option<u64>) -> bool {
593 match self.open_context_menu.as_ref() {
594 Some((id, _)) => Some(*id) == message_id,
595 None => false,
596 }
597 }
598
599 fn render_popover_button(
600 &self,
601 cx: &ViewContext<Self>,
602 message_id: Option<u64>,
603 can_delete_message: bool,
604 ) -> Div {
605 div()
606 .absolute()
607 .z_index(1)
608 .right_0()
609 .w_6()
610 .bg(cx.theme().colors().element_hover)
611 .when(!self.has_open_menu(message_id), |el| {
612 el.visible_on_hover("")
613 })
614 .when_some(message_id, |el, message_id| {
615 let chat_panel_view = cx.view().clone();
616
617 el.child(
618 popover_menu(("menu", message_id))
619 .trigger(IconButton::new(("trigger", message_id), IconName::Ellipsis))
620 .menu(move |cx| {
621 Some(Self::render_message_menu(
622 &chat_panel_view,
623 message_id,
624 can_delete_message,
625 cx,
626 ))
627 }),
628 )
629 })
630 }
631
632 fn render_message_menu(
633 this: &View<Self>,
634 message_id: u64,
635 can_delete_message: bool,
636 cx: &mut WindowContext,
637 ) -> View<ContextMenu> {
638 let menu = {
639 ContextMenu::build(cx, move |menu, cx| {
640 menu.entry(
641 "Reply to message",
642 None,
643 cx.handler_for(&this, move |this, cx| {
644 this.message_editor.update(cx, |editor, cx| {
645 editor.set_reply_to_message_id(message_id);
646 editor.focus_handle(cx).focus(cx);
647 })
648 }),
649 )
650 .entry(
651 "Copy message text",
652 None,
653 cx.handler_for(&this, move |this, cx| {
654 if let Some(message) = this.active_chat().and_then(|active_chat| {
655 active_chat.read(cx).find_loaded_message(message_id)
656 }) {
657 let text = message.body.clone();
658 cx.write_to_clipboard(ClipboardItem::new(text))
659 }
660 }),
661 )
662 .when(can_delete_message, move |menu| {
663 menu.entry(
664 "Delete message",
665 None,
666 cx.handler_for(&this, move |this, cx| this.remove_message(message_id, cx)),
667 )
668 })
669 })
670 };
671 this.update(cx, |this, cx| {
672 let subscription = cx.subscribe(&menu, |this: &mut Self, _, _: &DismissEvent, _| {
673 this.open_context_menu = None;
674 });
675 this.open_context_menu = Some((message_id, subscription));
676 });
677 menu
678 }
679
680 fn render_markdown_with_mentions(
681 language_registry: &Arc<LanguageRegistry>,
682 current_user_id: u64,
683 message: &channel::ChannelMessage,
684 ) -> RichText {
685 let mentions = message
686 .mentions
687 .iter()
688 .map(|(range, user_id)| rich_text::Mention {
689 range: range.clone(),
690 is_self_mention: *user_id == current_user_id,
691 })
692 .collect::<Vec<_>>();
693
694 rich_text::render_rich_text(message.body.clone(), &mentions, language_registry, None)
695 }
696
697 fn send(&mut self, _: &Confirm, cx: &mut ViewContext<Self>) {
698 if let Some((chat, _)) = self.active_chat.as_ref() {
699 let message = self
700 .message_editor
701 .update(cx, |editor, cx| editor.take_message(cx));
702
703 if let Some(task) = chat
704 .update(cx, |chat, cx| chat.send_message(message, cx))
705 .log_err()
706 {
707 task.detach();
708 }
709 }
710 }
711
712 fn remove_message(&mut self, id: u64, cx: &mut ViewContext<Self>) {
713 if let Some((chat, _)) = self.active_chat.as_ref() {
714 chat.update(cx, |chat, cx| chat.remove_message(id, cx).detach())
715 }
716 }
717
718 fn load_more_messages(&mut self, cx: &mut ViewContext<Self>) {
719 if let Some((chat, _)) = self.active_chat.as_ref() {
720 chat.update(cx, |channel, cx| {
721 if let Some(task) = channel.load_more_messages(cx) {
722 task.detach();
723 }
724 })
725 }
726 }
727
728 pub fn select_channel(
729 &mut self,
730 selected_channel_id: ChannelId,
731 scroll_to_message_id: Option<u64>,
732 cx: &mut ViewContext<ChatPanel>,
733 ) -> Task<Result<()>> {
734 let open_chat = self
735 .active_chat
736 .as_ref()
737 .and_then(|(chat, _)| {
738 (chat.read(cx).channel_id == selected_channel_id)
739 .then(|| Task::ready(anyhow::Ok(chat.clone())))
740 })
741 .unwrap_or_else(|| {
742 self.channel_store.update(cx, |store, cx| {
743 store.open_channel_chat(selected_channel_id, cx)
744 })
745 });
746
747 cx.spawn(|this, mut cx| async move {
748 let chat = open_chat.await?;
749 let highlight_message_id = scroll_to_message_id;
750 let scroll_to_message_id = this.update(&mut cx, |this, cx| {
751 this.set_active_chat(chat.clone(), cx);
752
753 scroll_to_message_id.or_else(|| this.last_acknowledged_message_id)
754 })?;
755
756 if let Some(message_id) = scroll_to_message_id {
757 if let Some(item_ix) =
758 ChannelChat::load_history_since_message(chat.clone(), message_id, (*cx).clone())
759 .await
760 {
761 this.update(&mut cx, |this, cx| {
762 if let Some(highlight_message_id) = highlight_message_id {
763 let task = cx.spawn({
764 |this, mut cx| async move {
765 cx.background_executor().timer(Duration::from_secs(2)).await;
766 this.update(&mut cx, |this, cx| {
767 this.highlighted_message.take();
768 cx.notify();
769 })
770 .ok();
771 }
772 });
773
774 this.highlighted_message = Some((highlight_message_id, task));
775 }
776
777 if this.active_chat.as_ref().map_or(false, |(c, _)| *c == chat) {
778 this.message_list.scroll_to(ListOffset {
779 item_ix,
780 offset_in_item: px(0.0),
781 });
782 cx.notify();
783 }
784 })?;
785 }
786 }
787
788 Ok(())
789 })
790 }
791
792 fn close_reply_preview(&mut self, _: &CloseReplyPreview, cx: &mut ViewContext<Self>) {
793 self.message_editor
794 .update(cx, |editor, _| editor.clear_reply_to_message_id());
795 }
796}
797
798impl Render for ChatPanel {
799 fn render(&mut self, cx: &mut ViewContext<Self>) -> impl IntoElement {
800 let reply_to_message_id = self.message_editor.read(cx).reply_to_message_id();
801
802 v_flex()
803 .key_context("ChatPanel")
804 .track_focus(&self.focus_handle)
805 .size_full()
806 .on_action(cx.listener(Self::send))
807 .child(
808 h_flex().z_index(1).child(
809 TabBar::new("chat_header").child(
810 h_flex()
811 .w_full()
812 .h(rems(ui::Tab::CONTAINER_HEIGHT_IN_REMS))
813 .px_2()
814 .child(Label::new(
815 self.active_chat
816 .as_ref()
817 .and_then(|c| {
818 Some(format!("#{}", c.0.read(cx).channel(cx)?.name))
819 })
820 .unwrap_or("Chat".to_string()),
821 )),
822 ),
823 ),
824 )
825 .child(div().flex_grow().px_2().map(|this| {
826 if self.active_chat.is_some() {
827 this.child(list(self.message_list.clone()).size_full())
828 } else {
829 this.child(
830 div()
831 .size_full()
832 .p_4()
833 .child(
834 Label::new("Select a channel to chat in.")
835 .size(LabelSize::Small)
836 .color(Color::Muted),
837 )
838 .child(
839 div().pt_1().w_full().items_center().child(
840 Button::new("toggle-collab", "Open")
841 .full_width()
842 .key_binding(KeyBinding::for_action(
843 &collab_panel::ToggleFocus,
844 cx,
845 ))
846 .on_click(|_, cx| {
847 cx.dispatch_action(
848 collab_panel::ToggleFocus.boxed_clone(),
849 )
850 }),
851 ),
852 ),
853 )
854 }
855 }))
856 .when_some(reply_to_message_id, |el, reply_to_message_id| {
857 let reply_message = self
858 .active_chat()
859 .and_then(|active_chat| {
860 active_chat.read(cx).messages().iter().find(|message| {
861 message.id == ChannelMessageId::Saved(reply_to_message_id)
862 })
863 })
864 .cloned();
865
866 el.when_some(reply_message, |el, reply_message| {
867 el.child(
868 h_flex()
869 .when(!self.is_scrolled_to_bottom, |el| {
870 el.border_t_1().border_color(cx.theme().colors().border)
871 })
872 .justify_between()
873 .overflow_hidden()
874 .items_start()
875 .py_1()
876 .px_2()
877 .bg(cx.theme().colors().background)
878 .child(
879 div().flex_shrink().overflow_hidden().child(
880 self.render_replied_to_message(None, &reply_message, cx),
881 ),
882 )
883 .child(
884 IconButton::new("close-reply-preview", IconName::Close)
885 .shape(ui::IconButtonShape::Square)
886 .tooltip(|cx| {
887 Tooltip::for_action(
888 "Close reply preview",
889 &CloseReplyPreview,
890 cx,
891 )
892 })
893 .on_click(cx.listener(move |_, _, cx| {
894 cx.dispatch_action(CloseReplyPreview.boxed_clone())
895 })),
896 ),
897 )
898 })
899 })
900 .children(
901 Some(
902 h_flex()
903 .key_context("MessageEditor")
904 .on_action(cx.listener(ChatPanel::close_reply_preview))
905 .when(
906 !self.is_scrolled_to_bottom && reply_to_message_id.is_none(),
907 |el| el.border_t_1().border_color(cx.theme().colors().border),
908 )
909 .p_2()
910 .map(|el| el.child(self.message_editor.clone())),
911 )
912 .filter(|_| self.active_chat.is_some()),
913 )
914 .into_any()
915 }
916}
917
918impl FocusableView for ChatPanel {
919 fn focus_handle(&self, cx: &AppContext) -> gpui::FocusHandle {
920 if self.active_chat.is_some() {
921 self.message_editor.read(cx).focus_handle(cx)
922 } else {
923 self.focus_handle.clone()
924 }
925 }
926}
927
928impl Panel for ChatPanel {
929 fn position(&self, cx: &gpui::WindowContext) -> DockPosition {
930 ChatPanelSettings::get_global(cx).dock
931 }
932
933 fn position_is_valid(&self, position: DockPosition) -> bool {
934 matches!(position, DockPosition::Left | DockPosition::Right)
935 }
936
937 fn set_position(&mut self, position: DockPosition, cx: &mut ViewContext<Self>) {
938 settings::update_settings_file::<ChatPanelSettings>(self.fs.clone(), cx, move |settings| {
939 settings.dock = Some(position)
940 });
941 }
942
943 fn size(&self, cx: &gpui::WindowContext) -> Pixels {
944 self.width
945 .unwrap_or_else(|| ChatPanelSettings::get_global(cx).default_width)
946 }
947
948 fn set_size(&mut self, size: Option<Pixels>, cx: &mut ViewContext<Self>) {
949 self.width = size;
950 self.serialize(cx);
951 cx.notify();
952 }
953
954 fn set_active(&mut self, active: bool, cx: &mut ViewContext<Self>) {
955 self.active = active;
956 if active {
957 self.acknowledge_last_message(cx);
958 }
959 }
960
961 fn persistent_name() -> &'static str {
962 "ChatPanel"
963 }
964
965 fn icon(&self, cx: &WindowContext) -> Option<ui::IconName> {
966 Some(ui::IconName::MessageBubbles).filter(|_| ChatPanelSettings::get_global(cx).button)
967 }
968
969 fn icon_tooltip(&self, _cx: &WindowContext) -> Option<&'static str> {
970 Some("Chat Panel")
971 }
972
973 fn toggle_action(&self) -> Box<dyn gpui::Action> {
974 Box::new(ToggleFocus)
975 }
976
977 fn starts_open(&self, cx: &WindowContext) -> bool {
978 ActiveCall::global(cx)
979 .read(cx)
980 .room()
981 .is_some_and(|room| room.read(cx).contains_guests())
982 }
983}
984
985impl EventEmitter<PanelEvent> for ChatPanel {}
986
987#[cfg(test)]
988mod tests {
989 use super::*;
990 use gpui::HighlightStyle;
991 use pretty_assertions::assert_eq;
992 use rich_text::Highlight;
993 use time::OffsetDateTime;
994 use util::test::marked_text_ranges;
995
996 #[gpui::test]
997 fn test_render_markdown_with_mentions() {
998 let language_registry = Arc::new(LanguageRegistry::test());
999 let (body, ranges) = marked_text_ranges("*hi*, «@abc», let's **call** «@fgh»", false);
1000 let message = channel::ChannelMessage {
1001 id: ChannelMessageId::Saved(0),
1002 body,
1003 timestamp: OffsetDateTime::now_utc(),
1004 sender: Arc::new(client::User {
1005 github_login: "fgh".into(),
1006 avatar_uri: "avatar_fgh".into(),
1007 id: 103,
1008 }),
1009 nonce: 5,
1010 mentions: vec![(ranges[0].clone(), 101), (ranges[1].clone(), 102)],
1011 reply_to_message_id: None,
1012 };
1013
1014 let message = ChatPanel::render_markdown_with_mentions(&language_registry, 102, &message);
1015
1016 // Note that the "'" was replaced with ’ due to smart punctuation.
1017 let (body, ranges) = marked_text_ranges("«hi», «@abc», let’s «call» «@fgh»", false);
1018 assert_eq!(message.text, body);
1019 assert_eq!(
1020 message.highlights,
1021 vec![
1022 (
1023 ranges[0].clone(),
1024 HighlightStyle {
1025 font_style: Some(gpui::FontStyle::Italic),
1026 ..Default::default()
1027 }
1028 .into()
1029 ),
1030 (ranges[1].clone(), Highlight::Mention),
1031 (
1032 ranges[2].clone(),
1033 HighlightStyle {
1034 font_weight: Some(gpui::FontWeight::BOLD),
1035 ..Default::default()
1036 }
1037 .into()
1038 ),
1039 (ranges[3].clone(), Highlight::SelfMention)
1040 ]
1041 );
1042 }
1043
1044 #[gpui::test]
1045 fn test_render_markdown_with_auto_detect_links() {
1046 let language_registry = Arc::new(LanguageRegistry::test());
1047 let message = channel::ChannelMessage {
1048 id: ChannelMessageId::Saved(0),
1049 body: "Here is a link https://zed.dev to zeds website".to_string(),
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::new(),
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) =
1065 marked_text_ranges("Here is a link «https://zed.dev» to zeds website", false);
1066 assert_eq!(message.text, body);
1067 assert_eq!(1, ranges.len());
1068 assert_eq!(
1069 message.highlights,
1070 vec![(
1071 ranges[0].clone(),
1072 HighlightStyle {
1073 underline: Some(gpui::UnderlineStyle {
1074 thickness: 1.0.into(),
1075 ..Default::default()
1076 }),
1077 ..Default::default()
1078 }
1079 .into()
1080 ),]
1081 );
1082 }
1083
1084 #[gpui::test]
1085 fn test_render_markdown_with_auto_detect_links_and_additional_formatting() {
1086 let language_registry = Arc::new(LanguageRegistry::test());
1087 let message = channel::ChannelMessage {
1088 id: ChannelMessageId::Saved(0),
1089 body: "**Here is a link https://zed.dev to zeds website**".to_string(),
1090 timestamp: OffsetDateTime::now_utc(),
1091 sender: Arc::new(client::User {
1092 github_login: "fgh".into(),
1093 avatar_uri: "avatar_fgh".into(),
1094 id: 103,
1095 }),
1096 nonce: 5,
1097 mentions: Vec::new(),
1098 reply_to_message_id: None,
1099 };
1100
1101 let message = ChatPanel::render_markdown_with_mentions(&language_registry, 102, &message);
1102
1103 // Note that the "'" was replaced with ’ due to smart punctuation.
1104 let (body, ranges) = marked_text_ranges(
1105 "«Here is a link »«https://zed.dev»« to zeds website»",
1106 false,
1107 );
1108 assert_eq!(message.text, body);
1109 assert_eq!(3, ranges.len());
1110 assert_eq!(
1111 message.highlights,
1112 vec![
1113 (
1114 ranges[0].clone(),
1115 HighlightStyle {
1116 font_weight: Some(gpui::FontWeight::BOLD),
1117 ..Default::default()
1118 }
1119 .into()
1120 ),
1121 (
1122 ranges[1].clone(),
1123 HighlightStyle {
1124 font_weight: Some(gpui::FontWeight::BOLD),
1125 underline: Some(gpui::UnderlineStyle {
1126 thickness: 1.0.into(),
1127 ..Default::default()
1128 }),
1129 ..Default::default()
1130 }
1131 .into()
1132 ),
1133 (
1134 ranges[2].clone(),
1135 HighlightStyle {
1136 font_weight: Some(gpui::FontWeight::BOLD),
1137 ..Default::default()
1138 }
1139 .into()
1140 ),
1141 ]
1142 );
1143 }
1144}