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fix: cache some jquery objects

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Barış Soner Uşaklı
2020-12-04 14:18:40 -05:00
parent 344caf5c2e
commit 73d2f51d7a
1 changed files with 17 additions and 12 deletions
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29
public/src/modules/navigator.js
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@@ -20,6 +20,10 @@ define('navigator', ['forum/pagination', 'components'], function (pagination, co
var paginationBlockMeterEl = paginationBlockEl.find('meter');
var paginationBlockProgressEl = paginationBlockEl.find('.progress-bar');
var thumb;
var thumbText;
var thumbIcon;
var thumbIconHeight;
var thumbIconHalfHeight;
$(window).on('action:ajaxify.start', function () {
$(window).off('keydown', onKeyDown);
@@ -37,7 +41,12 @@ define('navigator', ['forum/pagination', 'components'], function (pagination, co
paginationBlockMeterEl = paginationBlockEl.find('meter');
paginationBlockProgressEl = paginationBlockEl.find('.progress-bar');
thumbIcon = $('.scroller-thumb-icon');
thumbIconHeight = thumbIcon.height();
thumbIconHalfHeight = thumbIconHeight / 2;
thumb = $('.scroller-thumb');
thumbText = thumb.find('.thumb-text');
$(window).off('scroll', navigator.delayedUpdate).on('scroll', navigator.delayedUpdate);
@@ -86,8 +95,8 @@ define('navigator', ['forum/pagination', 'components'], function (pagination, co
var parentOffset = parent.offset();
if (newTop < parentOffset.top) {
newTop = parentOffset.top;
} else if (newTop > parentOffset.top + parent.height() - thumb.height()) {
newTop = parentOffset.top + parent.height() - thumb.height();
} else if (newTop > parentOffset.top + parent.height() - thumbIconHeight) {
newTop = parentOffset.top + parent.height() - thumbIconHeight;
}
return newTop;
}
@@ -97,13 +106,12 @@ define('navigator', ['forum/pagination', 'components'], function (pagination, co
return;
}
var parent = thumb.parent();
var thumbText = thumb.find('.thumb-text');
var parentOffset = parent.offset();
var percent = (index - 1) / ajaxify.data.postcount;
if (index === count) {
percent = 1;
}
var newTop = clampTop(parentOffset.top + ((parent.height() - thumb.height()) * percent));
var newTop = clampTop(parentOffset.top + ((parent.height() - thumbIconHeight) * percent));
var offset = { top: newTop, left: thumb.offset().left };
thumb.offset(offset);
@@ -115,11 +123,8 @@ define('navigator', ['forum/pagination', 'components'], function (pagination, co
if (!thumb.length) {
return;
}
var thumbText = thumb.find('.thumb-text');
var thumbHeight = thumb.height();
var thumbHalfHeight = thumbHeight / 2;
var parent = thumb.parent();
var parentHeight = parent.height();
var mouseDragging = false;
$(window).on('action:ajaxify.end', function () {
renderPostIndex = null;
@@ -146,13 +151,13 @@ define('navigator', ['forum/pagination', 'components'], function (pagination, co
}
function mousemove(ev) {
var newTop = clampTop(ev.pageY - thumbHalfHeight);
var newTop = clampTop(ev.pageY - thumbIconHalfHeight);
var parentOffset = parent.offset();
var offset = { top: newTop, left: thumb.offset().left };
thumb.offset(offset);
var percent = (newTop - parentOffset.top) / (parentHeight - thumbHeight);
var percent = (newTop - parentOffset.top) / (parent.height() - thumbIconHeight);
index = Math.max(1, Math.ceil(ajaxify.data.postcount * percent));
navigator.updateTextAndProgressBar();
thumbText.text(index + '/' + ajaxify.data.postcount);
@@ -197,12 +202,12 @@ define('navigator', ['forum/pagination', 'components'], function (pagination, co
if (isNavigating && ev.cancelable) {
ev.preventDefault();
ev.stopPropagation();
var newTop = clampTop(touchY + $(window).scrollTop() - thumbHalfHeight);
var newTop = clampTop(touchY + $(window).scrollTop() - thumbIconHalfHeight);
var parentOffset = thumb.parent().offset();
var offset = { top: newTop, left: thumb.offset().left };
thumb.offset(offset);
var percent = (newTop - parentOffset.top) / (parentHeight - thumbHeight);
var percent = (newTop - parentOffset.top) / (parent.height() - thumbIconHeight);
index = Math.max(1, Math.ceil(count * percent));
index = index > count ? count : index;