Use cobalt to run url other than youtube.com/tv

[kanetka...@gmail.com]

Hello,

I am trying to look for documentation to use a url other than default.

[Lam Bui]

Hi shruti kanetkar,

Yes, this is possible. You can do this with the "--url" command-line parameter specified here:

--url                                                                                                                                                                                 

  Setting this switch defines the startup URL that Cobalt will use.  If no value is set, a default URL will be used.

So you can do:

./cobalt --url=<YOUR_URL>

To learn more about what command-line options are available for Cobalt, you can use "--help":

./cobalt --help

Hope that helps!

[shruti kanetkar]

I am trying to look for documentation to do it from code. Just changing default url in application.cc does not help. Can you please point me to some sample code?

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Regards,
Shruti

[Lam Bui]

Ah, sorry for the misunderstanding here. If you'd like to do this in the code, you can change the default value for 'kDefaultURL' at the following code location:

https://cobalt.googlesource.com/cobalt/+/19.lts.1+/src/cobalt/browser/application.cc#72

After you rebuild, Cobalt will default to whatever URL you specify here.

Let us know if you have further questions.

Thanks!

[shruti kanetkar]

I had tried that. None of the keyboard callbacks work in that case. Is that the only change I need to make?

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Regards,
Shruti

[Lam Bui]

Got it. Can you tell me what platform you are working with here?

[shruti kanetkar]

I am working on raspberry pi.

On Fri, Jan 18, 2019 at 7:03 PM 'Lam Bui' via cobalt-dev <cobal...@googlegroups.com> wrote:

Got it. Can you tell me what platform you are working with here?

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Regards,
Shruti

[Tom Bridgwater]

I'd like to correct Lam's suggestion - We don't recommend modifying Cobalt internals such as the constant in browser/application.cc as he mentioned.

Instead, your main() function can synthesize command-line args as appropriate to your application (i.e. either copy and modify the argv passed in, or completely ignore it and pass only synthetic args) and pass what you need to the Application.Run() method. Note that there are four overloaded versions of Run(), so you may choose to instantiate your own CommandLine object and use its AppendArg() function to add a synthetic "--url" argument.

/TomB

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[Tom Bridgwater]

+Lam, cobalt-dev

It sounds like the original problem of being able to load another page than the default youtube.com/tv has been solved.

If that page doesn't respond to input, then you should debug that page to be sure it's properly listening to the right JS events.

For example:

  document.addEventListener('keydown', onKeydown);

  document.addEventListener('keyup', onKeyup);

/TomB

On Thu, Jan 24, 2019 at 5:20 PM shruti kanetkar <kanetka...@gmail.com> wrote:

I tried this approach. But it still does not accept keyboard inputs for url that is not youtube.com/tv. I am using raspberry pi 3 and trying to run netflix.

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Regards,
Shruti

[shruti kanetkar]

Hello Tom,

The original problem was I was unable to take input events from different url.

For running netflix or some other website, I would need to know their website's mapping if I am going by javascript approach.

If I dont have website's mapping, then how do I make changes in source code to load different urls and also take key events?

 

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Regards,
Shruti