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

No. Ports aren't clone-able. :-(

On Wed, 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 ****
>>>
>>> ** **
>>>
>>> [image: cid:3333625383_1036728]
>>>
>>> *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*<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
>> tw: @Paul_Kinlan
>> LinkedIn: http://uk.linkedin.com/in/paulkinlan
>> Blog: http://paul.kinlan.me
>> Skype: paul.kinlan
>>
>>
>