first pass at implementing pushstate support from an external file.

Makefile

@@ -45,6 +45,7 @@ JSFILES = 	  js/jquery.ui.widget.js \
 			  js/jquery.mobile.page.js \
 			  js/jquery.mobile.core.js \
 			  js/jquery.mobile.navigation.js \
+			  js/jquery.mobile.navigation.pushstate.js \
 			  js/jquery.mobile.transition.js \
 			  js/jquery.mobile.degradeInputs.js \
 			  js/jquery.mobile.dialog.js \

build.xml

@@ -29,6 +29,7 @@
 		  js/jquery.mobile.page.js,
 		  js/jquery.mobile.core.js,
 		  js/jquery.mobile.navigation.js,
+		  js/jquery.mobile.navigation.pushstate.js,
 		  js/jquery.mobile.transition.js,
 		  js/jquery.mobile.degradeInputs.js,		
 		  js/jquery.mobile.dialog.js,

js/index.php

@@ -11,6 +11,7 @@
 	'jquery.mobile.page.js',
 	'jquery.mobile.core.js',
 	'jquery.mobile.navigation.js',
+	'jquery.mobile.navigation.pushstate.js',
 	'jquery.mobile.transition.js',
 	'jquery.mobile.degradeInputs.js',	
 	'jquery.mobile.dialog.js',

js/jquery.mobile.navigation.pushstate.js

@@ -0,0 +1,50 @@
+/*
+* jQuery Mobile Framework : history.pushState support, layered on top of hashchange
+* Copyright (c) jQuery Project
+* Dual licensed under the MIT or GPL Version 2 licenses.
+* http://jquery.org/license
+*/
+( function( $ ) {
+
+	// For now, let's Monkeypatch this onto the end of $.mobile._registerInternalEvents
+	var oldRegisterInternalEvents = $.mobile._registerInternalEvents;
+
+	$.mobile._registerInternalEvents = function(){
+
+		// Call previous function
+		oldRegisterInternalEvents();
+
+		// Initial href without hash becomes base for hash changes
+		var initUrl = location.href.split( "#" )[0].match( /[^\/]*\/\/[^\/]+(.*)/ ) && RegExp.$1,
+			// Begin with popstate listening disabled, since it fires at onload in chrome
+			popListeningEnabled	= false;
+
+		$( window ).bind( "hashchange replacehash", function( e ) {
+			if( $.support.pushState ){
+				history.replaceState( { hash: location.hash || "#" + initUrl, title: document.title }, document.title, location.href.split( "#" )[ 1 ] );
+			}
+		});
+
+		// Handle popstate events the occur through history changes
+		$( window ).bind( "popstate", function( e ) {
+			if( popListeningEnabled ){
+				if( e.originalEvent.state ){
+					history.replaceState( e.originalEvent.state, e.originalEvent.state.title, initUrl + e.originalEvent.state.hash );
+					$( window ).trigger( "hashchange" );
+				}
+			}
+		});
+
+		// Replace the hash before pushstate listening is enabled
+		$( window ).trigger( "replacehash" );
+
+		// Enable pushstate listening after window onload
+		$( window ).load( function(){
+			setTimeout(function(){
+				popListeningEnabled = true;
+			}, 10 );
+		});
+
+	};
+
+})( jQuery );