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message_viewport: Rename at_bottom for clarity.

This commit is contained in:
Tim Abbott 2024-01-31 13:44:33 -08:00
parent 45f9bd21e5
commit 42956e0305
4 changed files with 8 additions and 7 deletions
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2
web/src/message_scroll.js
View File

@ -88,7 +88,7 @@ export function scroll_finished() {
});
}
if (message_viewport.at_bottom()) {
if (message_viewport.at_rendered_bottom()) {
message_fetch.maybe_load_newer_messages({
msg_list: message_lists.current,
});

9
web/src/message_viewport.ts
View File

@ -75,7 +75,7 @@ export function message_viewport_info(): MessageViewportInfo {
// rendered message feed; messages that are not displayed due to a
// limited render window or because they have not been fetched from
// the server are not considered.
export function at_bottom(): boolean {
export function at_rendered_bottom(): boolean {
const bottom = scrollTop() + height();
const full_height = $scroll_container.prop("scrollHeight");
@ -86,8 +86,9 @@ export function at_bottom(): boolean {
return bottom + 2 >= full_height;
}
// This differs from at_bottom in that it only requires the bottom message to
// be visible, but you may be able to scroll down further.
// This differs from at_rendered_bottom in that it only requires the
// bottom message to be visible, but you may be able to scroll down
// further to see the rest of that message.
export function bottom_rendered_message_visible(): boolean {
const $last_row = rows.last_visible();
if ($last_row.length) {
@ -485,7 +486,7 @@ export function keep_pointer_in_view(): void {
}
function message_is_far_enough_up(): boolean {
return at_bottom() || $next_row.get_offset_to_window().top <= bottom_threshold;
return at_rendered_bottom() || $next_row.get_offset_to_window().top <= bottom_threshold;
}
function adjust(

2
web/src/navigate.js
View File

@ -108,7 +108,7 @@ export function page_up() {
}
export function page_down() {
if (message_viewport.at_bottom() && !message_lists.current.visibly_empty()) {
if (message_viewport.at_rendered_bottom() && !message_lists.current.visibly_empty()) {
message_lists.current.select_id(message_lists.current.last().id, {then_scroll: false});
unread_ops.process_visible();
} else {

2
web/src/ui_init.js
View File

@ -199,7 +199,7 @@ export function initialize_kitchen_sink_stuff() {
if (delta < 0 && message_viewport.at_top()) {
navigate.up();
} else if (delta > 0 && message_viewport.at_bottom()) {
} else if (delta > 0 && message_viewport.at_rendered_bottom()) {
navigate.down();
}