Hopiu/jquery-mobile
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Some tweaks to make page scrolling faster.

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- Prevent the fixed header/footer code from traversing the entire document for each touchstart, touchend and scrollstart event.

- Make sure $.activePage is initialized with the startPage.
This commit is contained in:
Kin Blas 2010-11-04 00:27:21 -07:00
parent 6656d1f84c
commit bb5708e543
2 changed files with 6 additions and 3 deletions
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8
js/jquery.mobile.fixHeaderFooter.js
View file

@ -20,7 +20,7 @@ $.fixedToolbars = (function(){
var currentstate = 'inline',
delayTimer,
ignoreTargets = 'a,input,textarea,select,button,label,.ui-header-fixed,.ui-footer-fixed',
toolbarSelector = '.ui-page-active .ui-header-fixed:first, .ui-page-active .ui-footer-fixed:not(.ui-footer-duplicate):last',
toolbarSelector = '.ui-header-fixed:first, .ui-footer-fixed:not(.ui-footer-duplicate):last',
stickyFooter, //for storing quick references to duplicate footers
supportTouch = $.support.touch,
touchStartEvent = supportTouch ? "touchstart" : "mousedown",
@ -109,7 +109,8 @@ $.fixedToolbars = (function(){
return {
show: function(immediately){
currentstate = 'overlay';
return $( toolbarSelector ).each(function(){
var $ap = $.activePage ? $.activePage : $(".ui-page-active");
return $ap.children( toolbarSelector ).each(function(){
var el = $(this),
fromTop = $(window).scrollTop(),
thisTop = el.offset().top,
@ -130,7 +131,8 @@ $.fixedToolbars = (function(){
},
hide: function(immediately){
currentstate = 'inline';
return $( toolbarSelector ).each(function(){
var $ap = $.activePage ? $.activePage : $(".ui-page-active");
return $ap.children( toolbarSelector ).each(function(){
var el = $(this);
//add state class

1
js/jquery.mobile.js
View file

@ -440,6 +440,7 @@
changePage( $startPage, transition, true );
}
else{
$.activePage = $startPage;
$startPage.trigger("pagebeforeshow", {prevPage: $('')});
$startPage.addClass( activePageClass );
pageLoading( true );