commit dc01205

Use messageBounds for infinite scroll CHATHISTORY requests

 1@@ -51,10 +51,13 @@ func (b *bound) Compare(line *ui.Line) int {
 2 
 3 // Update updates the bounds to include the given line.
 4 func (b *bound) Update(line *ui.Line) {
 5-	if line.At.Before(b.first) {
 6+	if line.At.IsZero() {
 7+		return
 8+	}
 9+	if b.first.IsZero() || line.At.Before(b.first) {
10 		b.first = line.At
11 		b.firstMessage = line.Body.String()
12-	} else if line.At.After(b.last) {
13+	} else if b.last.IsZero() || line.At.After(b.last) {
14 		b.last = line.At
15 		b.lastMessage = line.Body.String()
16 	}
17@@ -340,7 +343,6 @@ func (app *App) handleMouseEvent(ev *tcell.EventMouse) {
18 			// TODO scroll chan list
19 		} else if x > w-app.cfg.MemberColWidth {
20 			app.win.ScrollMemberUpBy(4)
21-			app.requestHistory()
22 		} else {
23 			app.win.ScrollUpBy(4)
24 			app.requestHistory()
25@@ -480,8 +482,8 @@ func (app *App) requestHistory() {
26 	buffer := app.win.CurrentBuffer()
27 	if app.win.IsAtTop() && buffer != Home {
28 		t := time.Now()
29-		if oldest := app.win.CurrentBufferOldestTime(); oldest != nil {
30-			t = *oldest
31+		if bound, ok := app.messageBounds[buffer]; ok {
32+			t = bound.first
33 		}
34 		app.s.NewHistoryRequest(buffer).
35 			WithLimit(100).

 1@@ -319,14 +319,6 @@ func (bs *BufferList) Current() (title string) {
 2 	return bs.list[bs.current].title
 3 }
 4 
 5-func (bs *BufferList) CurrentOldestTime() (t *time.Time) {
 6-	ls := bs.list[bs.current].lines
 7-	if 0 < len(ls) {
 8-		t = &ls[0].At
 9-	}
10-	return t
11-}
12-
13 func (bs *BufferList) ScrollUp(n int) {
14 	b := &bs.list[bs.current]
15 	if b.isAtTop {

 1@@ -3,7 +3,6 @@ package ui
 2 import (
 3 	"strings"
 4 	"sync/atomic"
 5-	"time"
 6 
 7 	"git.sr.ht/~taiite/senpai/irc"
 8 
 9@@ -87,10 +86,6 @@ func (ui *UI) CurrentBuffer() string {
10 	return ui.bs.Current()
11 }
12 
13-func (ui *UI) CurrentBufferOldestTime() (t *time.Time) {
14-	return ui.bs.CurrentOldestTime()
15-}
16-
17 func (ui *UI) NextBuffer() {
18 	ui.bs.Next()
19 	ui.memberOffset = 0