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POUsing easyXDM to communicate between parent document and child iframe loaded from a different domain (amazon)
 

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  1. POUsing easyXDM to communicate between parent document and child iframe loaded from a different domain (amazon)
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    <p>I'm trying to use easyXDM to communicate between parent document and child iframe (loaded from a different domain - amazon). The iframe src is an oauth signed url and has the following code to communicate with the parent document that loads it:</p> <pre><code>socket = new easyXDM.Socket({ remote: "http://localhost:56789/hitch.html", /* parent document */ remoteHelper: "http://localhost:56789/easyXDM/name.html", onMessage: function(message, origin){ alert("Received '" + message + "' from '" + origin + "'"); }, onReady: function() { socket.postMessage("Yay, it works!"); } }); </code></pre> <p>the above code is kept in the head portion of the document.</p> <p>In parent (hitch.html):</p> <pre><code>var transport = new easyXDM.Socket(/** The configuration */{ local: "/easyXDM/name.html", swf: "/easyXDM/easyxdm.swf", onMessage: function(message, origin){ transport.postMessage("This is a message received from " + location); } }); </code></pre> <p>When I load the child iframe from amazonS3 inside the parent document, easyXDM is creating another iframe inside the child iframe with src set to "http://localhost:56789/hitch.html?xdm_e=..." . This causes the whole thing to be repeated in a cycle - with parent again trying to load the child iframe and so on.</p> <p>I'm testing on Firefox 9.0 which has postMessage support. The actual messages are being sent properly and I can see the message boxes. Other than this, it also throws a "url is undefined or empty" error in parent document when initializing easyXDM.socket but it doesn't seem to affect anything else...</p> <p>Thanks,</p>
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    1. USivymike
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    1. COI have the same confusion.Have you solved this problem?
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      1. USxiaohan2012
    2. COnope :(. I found another simple wrapper around postmessage which uses location hash for older browsers and postmessage for newer browsers. As an added advantage, the code is tiny and easily understandable unlike the easyXDM labyrinth. The code is here: http://www.onlineaspect.com/2010/01/15/backwards-compatible-postmessage/
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