mirror of
https://github.com/Hopiu/jquery-mobile.git
synced 2026-03-16 22:10:25 +00:00
249 lines
8.2 KiB
JavaScript
249 lines
8.2 KiB
JavaScript
//>>excludeStart("jqmBuildExclude", pragmas.jqmBuildExclude);
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//>>description: Behavior for "fixed" headers and footers
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//>>label: Fixedtoolbar
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define( [ "jquery", "./jquery.mobile.widget", "./jquery.mobile.core", "./jquery.mobile.navigation", "./jquery.mobile.page", "./jquery.mobile.page.sections", "./jquery.mobile.zoom" ], function( $ ) {
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//>>excludeEnd("jqmBuildExclude");
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(function( $, undefined ) {
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$.widget( "mobile.fixedtoolbar", $.mobile.widget, {
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options: {
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visibleOnPageShow: true,
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disablePageZoom: true,
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transition: "slide", //can be none, fade, slide (slide maps to slideup or slidedown)
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fullscreen: false,
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tapToggle: true,
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updatePagePadding: true,
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// Browser detection! Weeee, here we go...
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// Unfortunately, position:fixed is costly, not to mention probably impossible, to feature-detect accurately.
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// Some tests exist, but they currently return false results in critical devices and browsers, which could lead to a broken experience.
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// Testing fixed positioning is also pretty obtrusive to page load, requiring injected elements and scrolling the window
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// The following function serves to rule out some popular browsers with known fixed-positioning issues
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// This is a plugin option like any other, so feel free to improve or overwrite it
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supportBlacklist: function(){
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var ua = navigator.userAgent,
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platform = navigator.platform,
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// Rendering engine is Webkit, and capture major version
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wkmatch = ua.match( /AppleWebKit\/([0-9]+)/ ),
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wkversion = !!wkmatch && wkmatch[ 1 ],
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ffmatch = ua.match( /Fennec\/([0-9]+)/ ),
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ffversion = !!ffmatch && ffmatch[ 1 ],
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operammobilematch = ua.match( /Opera Mobile\/([0-9]+)/ ),
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omversion = !!operammobilematch && operammobilematch[ 1 ],
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w = window;
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if(
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// iOS 4.3 and older : Platform is iPhone/Pad/Touch and Webkit version is less than 534 (ios5)
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( ( platform.indexOf( "iPhone" ) > -1 || platform.indexOf( "iPad" ) > -1 || platform.indexOf( "iPod" ) > -1 ) && wkversion && wkversion < 534 )
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||
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// Opera Mini
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( w.operamini && ({}).toString.call( w.operamini ) === "[object OperaMini]" )
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( operammobilematch && omverson < 7458 )
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//Android lte 2.1: Platform is Android and Webkit version is less than 533 (Android 2.2)
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( ua.indexOf( "Android" ) > -1 && wkversion && wkversion < 533 )
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||
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// Firefox Mobile before 6.0 -
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( ffversion && ffversion < 6 )
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// WebOS less than 3
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( "palmGetResource" in window && wkversion && wkversion < 534 )
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){
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return true;
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}
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return false;
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},
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initSelector: ":jqmData(position='fixed')"
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},
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_create: function() {
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var self = this,
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o = self.options,
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$el = self.element,
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tbtype = $el.is( ".ui-header" ) ? "header" : "footer",
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$page = $el.closest(".ui-page");
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// Feature detecting support for
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if( o.supportBlacklist() ){
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self.destroy();
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return;
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}
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$el.addClass( "ui-"+ tbtype +"-fixed" );
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// "fullscreen" overlay positioning
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if( $el.jqmData( "fullscreen" ) ){
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$el.addClass( "ui-"+ tbtype +"-fullscreen" );
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$page.addClass( "ui-page-" + tbtype + "-fullscreen" );
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}
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// If not fullscreen, add class to page to set top or bottom padding
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else{
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$page.addClass( "ui-page-" + tbtype + "-fixed" );
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}
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self._addTransitionClass();
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self._bindPageEvents();
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self._bindToggleHandlers();
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},
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_addTransitionClass: function(){
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var tclass = this.options.transition;
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if( tclass && tclass !== "none" ){
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// use appropriate slide for header or footer
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if( tclass === "slide" ){
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tclass = this.element.is( ".ui-header" ) ? "slidedown" : "slideup";
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}
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this.element.addClass( tclass );
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}
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},
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_bindPageEvents: function(){
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var self = this,
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o = self.options,
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$el = self.element;
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//page event bindings
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// Fixed toolbars require page zoom to be disabled, otherwise usability issues crop up
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// This method is meant to disable zoom while a fixed-positioned toolbar page is visible
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$el.closest( ".ui-page" )
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.bind( "pagebeforeshow", function(){
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if( o.disablePageZoom ){
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$.mobile.zoom.disable( true );
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}
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if( o.visibleOnPageShow ){
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self.show( true );
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}
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} )
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.bind( "webkitAnimationStart animationstart updatelayout", function(){
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if( o.updatePagePadding ){
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self.updatePagePadding();
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}
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})
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.bind( "pageshow", function(){
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self.updatePagePadding();
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if( o.updatePagePadding ){
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$( window ).bind( "throttledresize." + self.widgetName, function(){
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self.updatePagePadding();
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});
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}
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})
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.bind( "pagebeforehide", function(){
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if( o.disablePageZoom ){
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$.mobile.zoom.enable( true );
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}
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if( o.updatePagePadding ){
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$( window ).unbind( "throttledresize." + self.widgetName );
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}
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});
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},
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_visible: false,
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// This will set the content element's top or bottom padding equal to the toolbar's height
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updatePagePadding: function() {
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var $el = this.element,
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header = $el.is( ".ui-header" );
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// This behavior only applies to "fixed", not "fullscreen"
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if( this.options.fullscreen ){ return; }
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$el.closest( ".ui-page" ).css( "padding-" + ( header ? "top" : "bottom" ), $el.height() );
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},
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show: function( notransition ){
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var hideClass = "ui-fixed-hidden",
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$el = this.element,
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$win = $( window ),
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scroll = $win.scrollTop(),
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elHeight = $el.height(),
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pHeight = $el.closest( ".ui-page" ).height(),
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viewportHeight = Math.min( screen.height, $win.height() ),
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tbtype = $el.is( ".ui-header" ) ? "header" : "footer";
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if( !notransition && this.options.transition && this.options.transition !== "none" &&
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(
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( tbtype === "header" && !this.options.fullscreen && scroll > elHeight ) ||
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( tbtype === "footer" && !this.options.fullscreen && scroll + viewportHeight < pHeight - elHeight )
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) || this.options.fullscreen ){
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$el
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.removeClass( "out " + hideClass )
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.addClass( "in" );
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}
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else {
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$el.removeClass( hideClass );
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}
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this._visible = true;
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},
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hide: function( notransition ){
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var hideClass = "ui-fixed-hidden",
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$el = this.element,
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$win = $( window ),
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scroll = $win.scrollTop(),
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elHeight = $el.height(),
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pHeight = $el.closest( ".ui-page" ).height(),
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viewportHeight = Math.min( screen.height, $win.height() ),
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tbtype = $el.is( ".ui-header" ) ? "header" : "footer",
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// if it's a slide transition, our new transitions need the reverse class as well to slide outward
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outclass = "out" + ( this.options.transition === "slide" ? " reverse" : "" );
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if( !notransition && this.options.transition && this.options.transition !== "none" &&
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(
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( tbtype === "header" && !this.options.fullscreen && scroll > elHeight ) ||
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( tbtype === "footer" && !this.options.fullscreen && scroll + viewportHeight < pHeight - elHeight )
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) || this.options.fullscreen ){
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$el
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.addClass( outclass )
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.removeClass( "in" )
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.animationComplete( function(){
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$el.addClass( hideClass ).removeClass( outclass );
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});
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}
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else {
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$el.addClass( hideClass ).removeClass( outclass );
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}
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this._visible = false;
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},
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toggle: function(){
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this[ this._visible ? "hide" : "show" ]();
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},
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_bindToggleHandlers: function(){
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var self = this,
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o = self.options,
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$el = self.element;
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// tap toggle
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$el.closest( ".ui-page" )
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.bind( "vclick", function( e ){
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if( o.tapToggle && $el.find( e.target ).length === 0 ){
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self.toggle();
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}
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});
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},
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destroy: function(){
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this.element.removeClass( "ui-header-fixed ui-footer-fixed ui-header-fullscreen ui-footer-fullscreen in out fade slidedown slideup ui-fixed-hidden" )
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this.element.closest( ".ui-page" ).removeClass( "ui-page-header-fixed ui-page-footer-fixed ui-page-header-fullscreen ui-page-footer-fullscreen" );
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}
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});
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//auto self-init widgets
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$( document ).bind( "pagecreate create", function( e ){
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$( $.mobile.fixedtoolbar.prototype.options.initSelector, e.target ).fixedtoolbar();
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});
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})( jQuery );
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//>>excludeStart("jqmBuildExclude", pragmas.jqmBuildExclude);
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});
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//>>excludeEnd("jqmBuildExclude");
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