Re: Using HTML5 Channel Messaging with Web Intents to create persistent relations

Someone ought to pop webkitPostMessage into the shim for Chrome.



On Feb 22, 2012, at 11:32 AM, James Hawkins <jhawkins@google.com> wrote:

> Greg, this works in the current implementation in Chrome, right?
> 
> James
> 
> 
> On Wed, Feb 22, 2012 at 11:02 AM, Paul Kinlan <paulkinlan@google.com> wrote:
> Hi,
> 
> At the moment, this is one of the things that doesn't work in the shim.  Because the shim uses a lot of hacks to get it working in IE and FF I have had to limit some functionality.  Most of this is due to the fact that data signaling is currently done via localStorage events and you can't serialize a MessagePort to a string.
> 
> P
> 
> 
> On Wed, Feb 22, 2012 at 5:14 PM, Nilsson, Claes1 <Claes1.Nilsson@sonyericsson.com> wrote:
> Hi,
> 
>  
> 
> I wanted to text creating a message channel between a Client page and a Service page when running in Chrome and using the JS shim from webintents.org but I didn’t get it working. I a probably doing something stupid…
> 
>  
> 
> The code in the Client page is:
> 
>  
> 
>          var channel = new MessageChannel();
> 
>    
> 
>           var intent = new Intent();
> 
>           intent.action = "http://webintents.org/view";
> 
>           intent.type = "video/*";
> 
>           intent.data = channel.port2;
> 
>  
> 
>           window.navigator.startActivity(intent, function (intentData) {
> 
>               alert (intentData);
> 
>           });    
> 
>  
> 
>          channel.port1.onmessage = function (evt) {
> 
>                 alert (evt.data);
> 
>           }; 
> 
>  
> 
> The Service page code is:
> 
>  
> 
>      If (!!window.intent) {
> 
>     
> 
>           var port = intent.data;
> 
>       
> 
>           if (port) {
> 
>              port.start();
> 
>              port.postMessage("Port received");       
> 
>           }, false);
> 
>        
> 
>       }
> 
>  
> 
> However, Chrome does not recognize port as a Message port object. What’s wrong. Sorry for not being very experienced with JavaScript.
> 
>  
> 
> Claes
> 
>  
> 
> <image001.gif>
> 
> Claes Nilsson M.Sc.E.E
> Master Engineer, Research 
> Technology Research - Advanced Application Lab
> 
> Sony Ericsson Mobile Communications        
>  Phone:  +46 10 80 15178
> Mobile: +46 705 56 68 78
> Switchboard: +46 10 80 00000
> E-Mail: mailto:claes1.nilsson@sonyericsson.com 
> Visiting Address; Nya Vattentornet 
> SE-221 88 LUND,
> Sweden
> 
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> 
>  
> 
>  
> 
> 
> 
> 
> -- 
> Paul Kinlan
> Developer Advocate @ Google for Chrome and HTML5
> G+: http://plus.ly/paul.kinlan
> t: +447730517944
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> Skype: paul.kinlan
> 
>