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Avoid unnecessary rows.get in pointer management

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(imported from commit ef1d8a885b264be797616a2bab3f23e2702949c5)
This commit is contained in:
Keegan McAllister
2012-11-25 15:21:55 -05:00
parent a70fb98038
commit 384a50822d
1 changed files with 2 additions and 2 deletions
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4
zephyr/static/js/zephyr.js
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@@ -752,7 +752,7 @@ function at_bottom_of_viewport() {
function keep_pointer_in_view() {
var candidate;
var next_message = rows.get(selected_message_id);
var next_message = selected_message;
if (next_message.length === 0)
return;
@@ -781,7 +781,7 @@ function keep_pointer_in_view() {
// I'm at the very top or the very bottom of the page.
function move_pointer_at_page_top_and_bottom(delta) {
if (delta !== 0 && (at_top_of_viewport() || at_bottom_of_viewport())) {
var next_message = rows.get(selected_message_id);
var next_message = selected_message;
if (delta > 0) {
// Scrolling up (want older messages)
next_message = rows.prev_visible(next_message);