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<title>[19992] trunk/wp-includes: Add jQuery postMessage v 0.2.</title>
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<dt>Revision</dt> <dd><a href="http://core.trac.wordpress.org/changeset/19992">19992</a></dd>
<dt>Author</dt> <dd>nacin</dd>
<dt>Date</dt> <dd>2012-02-25 02:04:17 +0000 (Sat, 25 Feb 2012)</dd>
</dl>
<h3>Log Message</h3>
<pre>Add jQuery postMessage v 0.2. Dual licensed MIT/GPL. see <a href="http://core.trac.wordpress.org/ticket/19910">#19910</a>.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkwpincludesscriptloaderphp">trunk/wp-includes/script-loader.php</a></li>
</ul>
<h3>Added Paths</h3>
<ul>
<li><a href="#trunkwpincludesjsjqueryjquerypostmessagedevjs">trunk/wp-includes/js/jquery/jquery.postmessage.dev.js</a></li>
<li><a href="#trunkwpincludesjsjqueryjquerypostmessagejs">trunk/wp-includes/js/jquery/jquery.postmessage.js</a></li>
</ul>
</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkwpincludesjsjqueryjquerypostmessagedevjs"></a>
<div class="addfile"><h4>Added: trunk/wp-includes/js/jquery/jquery.postmessage.dev.js (0 => 19992)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/wp-includes/js/jquery/jquery.postmessage.dev.js (rev 0)
+++ trunk/wp-includes/js/jquery/jquery.postmessage.dev.js 2012-02-25 02:04:17 UTC (rev 19992)
</span><span class="lines">@@ -0,0 +1,222 @@
</span><ins>+/*!
+ * jQuery postMessage - v0.5 - 9/11/2009
+ * http://benalman.com/projects/jquery-postmessage-plugin/
+ *
+ * Copyright (c) 2009 "Cowboy" Ben Alman
+ * Dual licensed under the MIT and GPL licenses.
+ * http://benalman.com/about/license/
+ */
+
+// Script: jQuery postMessage: Cross-domain scripting goodness
+//
+// *Version: 0.5, Last updated: 9/11/2009*
+//
+// Project Home - http://benalman.com/projects/jquery-postmessage-plugin/
+// GitHub - http://github.com/cowboy/jquery-postmessage/
+// Source - http://github.com/cowboy/jquery-postmessage/raw/master/jquery.ba-postmessage.js
+// (Minified) - http://github.com/cowboy/jquery-postmessage/raw/master/jquery.ba-postmessage.min.js (0.9kb)
+//
+// About: License
+//
+// Copyright (c) 2009 "Cowboy" Ben Alman,
+// Dual licensed under the MIT and GPL licenses.
+// http://benalman.com/about/license/
+//
+// About: Examples
+//
+// This working example, complete with fully commented code, illustrates one
+// way in which this plugin can be used.
+//
+// Iframe resizing - http://benalman.com/code/projects/jquery-postmessage/examples/iframe/
+//
+// About: Support and Testing
+//
+// Information about what version or versions of jQuery this plugin has been
+// tested with and what browsers it has been tested in.
+//
+// jQuery Versions - 1.3.2
+// Browsers Tested - Internet Explorer 6-8, Firefox 3, Safari 3-4, Chrome, Opera 9.
+//
+// About: Release History
+//
+// 0.5 - (9/11/2009) Improved cache-busting
+// 0.4 - (8/25/2009) Initial release
+
+(function($){
+ '$:nomunge'; // Used by YUI compressor.
+
+ // A few vars used in non-awesome browsers.
+ var interval_id,
+ last_hash,
+ cache_bust = 1,
+
+ // A var used in awesome browsers.
+ rm_callback,
+
+ // A few convenient shortcuts.
+ window = this,
+ FALSE = !1,
+
+ // Reused internal strings.
+ postMessage = 'postMessage',
+ addEventListener = 'addEventListener',
+
+ p_receiveMessage,
+
+ // I couldn't get window.postMessage to actually work in Opera 9.64!
+ has_postMessage = window[postMessage] && !$.browser.opera;
+
+ // Method: jQuery.postMessage
+ //
+ // This method will call window.postMessage if available, setting the
+ // targetOrigin parameter to the base of the target_url parameter for maximum
+ // security in browsers that support it. If window.postMessage is not available,
+ // the target window's location.hash will be used to pass the message. If an
+ // object is passed as the message param, it will be serialized into a string
+ // using the jQuery.param method.
+ //
+ // Usage:
+ //
+ // > jQuery.postMessage( message, target_url [, target ] );
+ //
+ // Arguments:
+ //
+ // message - (String) A message to be passed to the other frame.
+ // message - (Object) An object to be serialized into a params string, using
+ // the jQuery.param method.
+ // target_url - (String) The URL of the other frame this window is
+ // attempting to communicate with. This must be the exact URL (including
+ // any query string) of the other window for this script to work in
+ // browsers that don't support window.postMessage.
+ // target - (Object) A reference to the other frame this window is
+ // attempting to communicate with. If omitted, defaults to `parent`.
+ //
+ // Returns:
+ //
+ // Nothing.
+
+ $[postMessage] = function( message, target_url, target ) {
+ if ( !target_url ) { return; }
+
+ // Serialize the message if not a string. Note that this is the only real
+ // jQuery dependency for this script. If removed, this script could be
+ // written as very basic JavaScript.
+ message = typeof message === 'string' ? message : $.param( message );
+
+ // Default to parent if unspecified.
+ target = target || parent;
+
+ if ( has_postMessage ) {
+ // The browser supports window.postMessage, so call it with a targetOrigin
+ // set appropriately, based on the target_url parameter.
+ target[postMessage]( message, target_url.replace( /([^:]+:\/\/[^\/]+).*/, '$1' ) );
+
+ } else if ( target_url ) {
+ // The browser does not support window.postMessage, so set the location
+ // of the target to target_url#message. A bit ugly, but it works! A cache
+ // bust parameter is added to ensure that repeat messages trigger the
+ // callback.
+ target.location = target_url.replace( /#.*$/, '' ) + '#' + (+new Date) + (cache_bust++) + '&' + message;
+ }
+ };
+
+ // Method: jQuery.receiveMessage
+ //
+ // Register a single callback for either a window.postMessage call, if
+ // supported, or if unsupported, for any change in the current window
+ // location.hash. If window.postMessage is supported and source_origin is
+ // specified, the source window will be checked against this for maximum
+ // security. If window.postMessage is unsupported, a polling loop will be
+ // started to watch for changes to the location.hash.
+ //
+ // Note that for simplicity's sake, only a single callback can be registered
+ // at one time. Passing no params will unbind this event (or stop the polling
+ // loop), and calling this method a second time with another callback will
+ // unbind the event (or stop the polling loop) first, before binding the new
+ // callback.
+ //
+ // Also note that if window.postMessage is available, the optional
+ // source_origin param will be used to test the event.origin property. From
+ // the MDC window.postMessage docs: This string is the concatenation of the
+ // protocol and "://", the host name if one exists, and ":" followed by a port
+ // number if a port is present and differs from the default port for the given
+ // protocol. Examples of typical origins are https://example.org (implying
+ // port 443), http://example.net (implying port 80), and http://example.com:8080.
+ //
+ // Usage:
+ //
+ // > jQuery.receiveMessage( callback [, source_origin ] [, delay ] );
+ //
+ // Arguments:
+ //
+ // callback - (Function) This callback will execute whenever a <jQuery.postMessage>
+ // message is received, provided the source_origin matches. If callback is
+ // omitted, any existing receiveMessage event bind or polling loop will be
+ // canceled.
+ // source_origin - (String) If window.postMessage is available and this value
+ // is not equal to the event.origin property, the callback will not be
+ // called.
+ // source_origin - (Function) If window.postMessage is available and this
+ // function returns false when passed the event.origin property, the
+ // callback will not be called.
+ // delay - (Number) An optional zero-or-greater delay in milliseconds at
+ // which the polling loop will execute (for browser that don't support
+ // window.postMessage). If omitted, defaults to 100.
+ //
+ // Returns:
+ //
+ // Nothing!
+
+ $.receiveMessage = p_receiveMessage = function( callback, source_origin, delay ) {
+ if ( has_postMessage ) {
+ // Since the browser supports window.postMessage, the callback will be
+ // bound to the actual event associated with window.postMessage.
+
+ if ( callback ) {
+ // Unbind an existing callback if it exists.
+ rm_callback && p_receiveMessage();
+
+ // Bind the callback. A reference to the callback is stored for ease of
+ // unbinding.
+ rm_callback = function(e) {
+ if ( ( typeof source_origin === 'string' && e.origin !== source_origin )
+ || ( $.isFunction( source_origin ) && source_origin( e.origin ) === FALSE ) ) {
+ return FALSE;
+ }
+ callback( e );
+ };
+ }
+
+ if ( window[addEventListener] ) {
+ window[ callback ? addEventListener : 'removeEventListener' ]( 'message', rm_callback, FALSE );
+ } else {
+ window[ callback ? 'attachEvent' : 'detachEvent' ]( 'onmessage', rm_callback );
+ }
+
+ } else {
+ // Since the browser sucks, a polling loop will be started, and the
+ // callback will be called whenever the location.hash changes.
+
+ interval_id && clearInterval( interval_id );
+ interval_id = null;
+
+ if ( callback ) {
+ delay = typeof source_origin === 'number'
+ ? source_origin
+ : typeof delay === 'number'
+ ? delay
+ : 100;
+
+ interval_id = setInterval(function(){
+ var hash = document.location.hash,
+ re = /^#?\d+&/;
+ if ( hash !== last_hash && re.test( hash ) ) {
+ last_hash = hash;
+ callback({ data: hash.replace( re, '' ) });
+ }
+ }, delay );
+ }
+ }
+ };
+
+})(jQuery);
</ins></span></pre></div>
<a id="trunkwpincludesjsjqueryjquerypostmessagejs"></a>
<div class="addfile"><h4>Added: trunk/wp-includes/js/jquery/jquery.postmessage.js (0 => 19992)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/wp-includes/js/jquery/jquery.postmessage.js (rev 0)
+++ trunk/wp-includes/js/jquery/jquery.postmessage.js 2012-02-25 02:04:17 UTC (rev 19992)
</span><span class="lines">@@ -0,0 +1 @@
</span><ins>+
</ins></span></pre></div>
<a id="trunkwpincludesscriptloaderphp"></a>
<div class="modfile"><h4>Modified: trunk/wp-includes/script-loader.php (19991 => 19992)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/wp-includes/script-loader.php 2012-02-25 00:01:02 UTC (rev 19991)
+++ trunk/wp-includes/script-loader.php 2012-02-25 02:04:17 UTC (rev 19992)
</span><span class="lines">@@ -164,6 +164,7 @@
</span><span class="cx"> $scripts->add( 'jquery-serialize-object', "/wp-includes/js/jquery/jquery.serialize-object.js", array('jquery'), '0.2', 1 );
</span><span class="cx"> $scripts->add( 'jquery-hotkeys', "/wp-includes/js/jquery/jquery.hotkeys$suffix.js", array('jquery'), '0.0.2m', 1 );
</span><span class="cx"> $scripts->add( 'jquery-table-hotkeys', "/wp-includes/js/jquery/jquery.table-hotkeys$suffix.js", array('jquery', 'jquery-hotkeys'), false, 1 );
</span><ins>+ $scripts->add( 'jquery-postmessage', "/wp-includes/js/jquery/jquery.postmessage$suffix.js", array('jquery'), '0.5', 1 );
</ins><span class="cx">
</span><span class="cx"> $scripts->add( 'thickbox', "/wp-includes/js/thickbox/thickbox.js", array('jquery'), '3.1-20111117', 1 );
</span><span class="cx"> $scripts->localize( 'thickbox', 'thickboxL10n', array(
</span></span></pre>
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