108 lines
3.0 KiB
JavaScript
108 lines
3.0 KiB
JavaScript
if ( typeof wp === 'undefined' )
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var wp = {};
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(function( exports, $ ){
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var api = wp.customize,
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Loader;
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Loader = {
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supports: {
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history: !! ( window.history && history.pushState ),
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hashchange: ('onhashchange' in window) && (document.documentMode === undefined || document.documentMode > 7)
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},
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initialize: function() {
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this.body = $( document.body ).addClass('customize-support');
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this.window = $( window );
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this.element = $( '<div id="customize-container" class="wp-full-overlay" />' ).appendTo( this.body );
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$('#wpbody').on( 'click', '.load-customize', function( event ) {
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event.preventDefault();
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// Load the theme.
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Loader.open( $(this).attr('href') );
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});
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// Add navigation listeners.
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if ( this.supports.history )
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this.window.on( 'popstate', Loader.popstate );
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if ( this.supports.hashchange )
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this.window.on( 'hashchange', Loader.hashchange );
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},
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popstate: function( e ) {
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var state = e.originalEvent.state;
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if ( state && state.customize )
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Loader.open( state.customize );
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else if ( Loader.active )
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Loader.close();
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},
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hashchange: function( e ) {
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var hash = window.location.toString().split('#')[1];
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if ( hash && 0 === hash.indexOf( 'customize=on' ) )
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Loader.open( wpCustomizeLoaderL10n.url + '?' + hash );
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if ( ! hash && ! Loader.supports.history )
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Loader.close();
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},
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open: function( src ) {
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if ( this.active )
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return;
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this.active = true;
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this.iframe = $( '<iframe />', { src: src }).appendTo( this.element );
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// Create a postMessage connection with the iframe.
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this.messenger = new api.Messenger( src, this.iframe[0].contentWindow );
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// Wait for the connection from the iframe before sending any postMessage events.
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this.messenger.bind( 'ready', function() {
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Loader.messenger.send( 'back', wpCustomizeLoaderL10n.back );
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});
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this.messenger.bind( 'close', function() {
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if ( Loader.supports.history )
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history.back();
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else if ( Loader.supports.hashchange )
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window.location.hash = '';
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else
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Loader.close();
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});
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this.element.fadeIn( 200, function() {
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var hash = src.split('?')[1];
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Loader.body.addClass( 'customize-active full-overlay-active' );
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// Ensure we don't call pushState if the user hit the forward button.
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if ( Loader.supports.history && window.location.href !== src )
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history.pushState( { customize: src }, '', src );
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else if ( ! Loader.supports.history && Loader.supports.hashchange && hash )
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window.location.hash = hash;
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});
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},
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close: function() {
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if ( ! this.active )
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return;
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this.active = false;
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this.element.fadeOut( 200, function() {
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Loader.iframe.remove();
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Loader.messenger.destroy();
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Loader.iframe = null;
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Loader.messenger = null;
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Loader.body.removeClass( 'customize-active full-overlay-active' );
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});
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}
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};
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$( function() {
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if ( window.postMessage )
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Loader.initialize();
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});
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// Expose the API to the world.
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api.Loader = Loader;
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})( wp, jQuery );
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