Intercepting URL updates

[Yeti-5]

Hi.

I'm willing to intercep URL updates using the nsIURIContentListener
interface and its OnStartURIOpen method.

The listener seems to be correctly added to the browser, but the
method is never called and I don't know why...

Did anyone run into that issue and maybe found any workaround?

Thanks!
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[Tristan Van Berkom-2]

On Tue, Jun 24, 2008 at 10:36 AM, Yeti <troubleshouting@...> wrote:
> Hi.
>
> I'm willing to intercep URL updates using the nsIURIContentListener
> interface and its OnStartURIOpen method.
>
> The listener seems to be correctly added to the browser, but the
> method is never called and I don't know why...
>
> Did anyone run into that issue and maybe found any workaround?

Yes. I ran into the issue using a build of release tag 2-0-0-12 (I think
that was the one), then I updated and integrated my sources with
the new embedding stuff and the content listener started working.
On the other hand, I did have a situation where I wasnt using
a nsCOMPtr to hold the content listener, and that I guess caused it
to silently go out of scope causing similar symtoms.

Cheers,
                    -Tristan

Note: I think the nsIURIContentListener stuff is already merged in and available
in the embedding repo here
http://hg.mozilla.org/users/blassey_mozilla.com/embedding/
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[Yeti-5]

Thanks for your answer.

I use a quite recent version of the source code based on firefox3, but
it still doesn't work...

I don't use any nsCOMPtr to hold the listener, given I put listener as
global, I may try that.



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[Yeti-5]

After looking deeper into the SetParentURIContentListener code, I
figured out that the DocShell is NULL :
http://mxr.mozilla.org/firefox/source/embedding/browser/webBrowser/nsWebBrowser.cpp#400

I can't find any reason for that
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[pjohnsen-2]

You may wanna check this earlier thread about using nsIURIContentListener:

http://groups.google.com/group/mozilla.dev.embedding/browse_thread/thread/3d5f3c6a6fa9a0ac

Hope that helps,

  -Pelle

Yeti wrote:
> After looking deeper into the SetParentURIContentListener code, I
> figured out that the DocShell is NULL :
> http://mxr.mozilla.org/firefox/source/embedding/browser/webBrowser/nsWebBrowser.cpp#400
>
> I can't find any reason for that
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[Boris Zbarsky]

Yeti wrote:
> After looking deeper into the SetParentURIContentListener code, I
> figured out that the DocShell is NULL :
> http://mxr.mozilla.org/firefox/source/embedding/browser/webBrowser/nsWebBrowser.cpp#400
>
> I can't find any reason for that

When exactly are you making this call?

-Boris
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[Yeti-5]

Thanks to the link you gave previously I succeeded in throwing the URI
opening event, I guess I was doing the call much too early.

Thanks Boris!
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