Merge branch 'filterspeed' of https://github.com/nsaleh/jquery-mobile …

…into pull-1475

Resolved Conflicts:
	js/jquery.mobile.navigation.js
		- Removed these changes as they are not related.

js/jquery.mobile.listview.filter.js

@@ -24,30 +24,71 @@ $( ":jqmData(role='listview')" ).live( "listviewcreate", function() {
 			})
 			.attr( "data-" + $.mobile.ns + "type", "search" )
 			.bind( "keyup change", function() {
+
 				var val = this.value.toLowerCase(),
-						listItems = list.children();
-				listItems.show();
+					listItems=null,
+					lastval = $( this ).jqmData('lastval')+"";
+
+				//change val as lastval for next execution  
+				$(this).jqmData( 'lastval' , val );
+
+				change = val.replace( new RegExp( "^" + lastval ) , "" );
+
+				if( val.length < lastval.length || change.length != ( val.length - lastval.length ) ){
+
+					//removed chars or pasted something totaly different, check all items
+					listItems = list.children();
+				} else {
+
+					//only chars added, not removed, only use visible subset
+					listItems = list.children( ':not(.ui-screen-hidden)' );
+				}
+
 				if ( val ) {
+
 					// This handles hiding regular rows without the text we search for
 					// and any list dividers without regular rows shown under it
-					var childItems = false,
-							item;
+					var item, 
+						childItems = false,                        
+						itemtext="";
 
 					for (var i = listItems.length; i >= 0; i--) {
-						item = $(listItems[i]);
-						if (item.is("li:jqmData(role=list-divider)")) {
-							if (!childItems) {
-								item.hide();
-							}
+						item = $( listItems[i] );
+						itemtext = item.jqmData( 'filtertext' ) || item.text();
+
+						if ( item.is( "li:jqmData(role=list-divider)" ) ) {
+
+							item.toggleClass( 'ui-filter-hidequeue' , !childItems );
+
 							// New bucket!
 							childItems = false;
-						} else if (item.text().toLowerCase().indexOf( val ) === -1) {
-							item.hide();
+
+						} else if ( itemtext.toLowerCase().indexOf( val ) === -1) {
+
+							//mark to be hidden
+							item.toggleClass( 'ui-filter-hidequeue' , true );
 						} else {
+
 							// There's a shown item in the bucket
 							childItems = true;
 						}
 					}
+
+					// show items, not marked to be hidden
+					listItems
+						.filter( ':not(.ui-filter-hidequeue)' )
+						.toggleClass('ui-screen-hidden',false);
+
+					// hide items, marked to be hidden
+					listItems
+						.filter( '.ui-filter-hidequeue' )
+						.toggleClass('ui-screen-hidden',true)
+						.toggleClass( 'ui-filter-hidequeue' , false );
+
+				}else{
+
+					//filtervalue is empty => show all
+					listItems.toggleClass('ui-screen-hidden',false);
 				}
 			})
 			.appendTo( wrapper )
@@ -60,4 +101,4 @@ $( ":jqmData(role='listview')" ).live( "listviewcreate", function() {
 	wrapper.insertBefore( list );
 });
 
-})( jQuery );
+})( jQuery );

themes/default/jquery.mobile.listview.css

@@ -41,7 +41,7 @@ ol.ui-listview .ui-li-jsnumbering:before { content: "" !important; } /* to avoid
 .ui-listview-filter .ui-input-search { margin: 5px; width: auto; display: block; }
 
 .ui-listview-filter-inset { margin: -15px -5px -15px -5px; background: transparent; }
-
+.ui-li.ui-screen-hidden{display:none;}
 /* Odd iPad positioning issue. */
 @media only screen and (min-device-width: 768px) and (max-device-width: 1024px) {
     .ui-li .ui-btn-text { overflow:  visible; }