jquery-mobile/js/jquery.mobile.transition.js

100 lines
2.6 KiB
JavaScript

/*
* "transitions" plugin - Page change tranistions
*/
//>>excludeStart("jqmBuildExclude", pragmas.jqmBuildExclude);
//>>description: Page change tranistions.
//>>label: Page Transitions
// TODO the dependency defined here for transitions is to make sure
// that the defaultTransitionHandler is defined _after_ navigation has been defined
// This requires a rework/rethinking
define( [ "jquery.mobile.core", "order!jquery.mobile.navigation" ], function() {
//>>excludeEnd("jqmBuildExclude");
(function( $, window, undefined ) {
function css3TransitionHandler( name, reverse, $to, $from ) {
var deferred = new $.Deferred(),
reverseClass = reverse ? " reverse" : "",
active = $.mobile.urlHistory.getActive(),
touchOverflow = $.support.touchOverflow && $.mobile.touchOverflowEnabled,
toScroll = active.lastScroll || ( touchOverflow ? 0 : $.mobile.defaultHomeScroll ),
viewportClass = "ui-mobile-viewport-transitioning viewport-" + name,
screenHeight = $.mobile.getScreenHeight(),
doneFunc = function() {
$to.add( $from ).removeClass( "out in reverse " + name );
if ( $from && $from[ 0 ] !== $to[ 0 ] ) {
$from.removeClass( $.mobile.activePageClass );
}
$to.parent().removeClass( viewportClass );
//reset $to height back
if( !touchOverflow ){
$to.height( "" );
}
// Jump to top or prev scroll, sometimes on iOS the page has not rendered yet.
if( !touchOverflow ){
$.mobile.silentScroll( toScroll );
}
//trigger show/hide events
if( $from ) {
if( !touchOverflow ){
$from.height( "" );
}
}
deferred.resolve( name, reverse, $to, $from );
};
$to.animationComplete( doneFunc );
$to.parent().addClass( viewportClass );
// Scroll to top, hide addr bar
window.scrollTo( 0, $.mobile.defaultHomeScroll );
if( !touchOverflow){
$to.height( screenHeight + toScroll );
}
if( touchOverflow && toScroll ){
$to.addClass( "ui-mobile-pre-transition" );
// Send focus to page as it is now display: block
$.mobile.focusPage( $to );
//set page's scrollTop to remembered distance
if( $to.is( ".ui-native-fixed" ) ){
$to.find( ".ui-content" ).scrollTop( toScroll );
}
else{
$to.scrollTop( toScroll );
}
}
//clear page loader
$.mobile.hidePageLoadingMsg();
if ( $from ) {
$from.addClass( name + " out" + reverseClass );
}
$to.addClass( $.mobile.activePageClass + " " + name + " in" + reverseClass );
return deferred.promise();
}
// Make our transition handler public.
$.mobile.css3TransitionHandler = css3TransitionHandler;
})( jQuery, this );
//>>excludeStart("jqmBuildExclude", pragmas.jqmBuildExclude);
});
//>>excludeEnd("jqmBuildExclude");