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Converting IDOMNode to IDOMHTMLInputElement fails
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Pelota  
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 More options Nov 19 2012, 10:05 am
Newsgroups: mozilla.dev.platform
From: Pelota <immonikolausneuh...@googlemail.com>
Date: Mon, 19 Nov 2012 07:05:02 -0800 (PST)
Local: Mon, Nov 19 2012 10:05 am
Subject: Converting IDOMNode to IDOMHTMLInputElement fails
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I have an IDOMNode
    nsCOMPtr_IDOMNode elementNode;

from which I can get the node name without problems ("INPUT", "FIELDSET", ...)
    nsString strName;
    elementNode->GetNodeName(strName);

Since Gecko 17 I have the problem, that I cannot get the HTML Input Element Interface for this node:
    nsCOMPtr<nsIDOMHTMLInputElement> pHTMLInputElement;

    pHTMLInputElement = do_QueryInterface(elementNode);
    if(pHTMLInputElement) {

This works fine with < Gecko 16. Any Ideas or known bugs? Did something change between Gecko 16 to 17?


 
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Kyle Huey  
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 More options Nov 19 2012, 10:19 am
Newsgroups: mozilla.dev.platform
From: Kyle Huey <m...@kylehuey.com>
Date: Mon, 19 Nov 2012 07:19:35 -0800
Local: Mon, Nov 19 2012 10:19 am
Subject: Re: Converting IDOMNode to IDOMHTMLInputElement fails
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The IID of nsIDOMHTMLInputElement changed from Gecko 16 to Gecko 17.  You
are probably compiling against headers for Gecko 16.

- Kyle
On Nov 19, 2012 7:10 AM, "Pelota" <immonikolausneuh...@googlemail.com>
wrote:


 
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immonikolausneuh...@googlemail.com  
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 More options Nov 19 2012, 10:21 am
Newsgroups: mozilla.dev.platform
From: immonikolausneuh...@googlemail.com
Date: Mon, 19 Nov 2012 07:21:55 -0800 (PST)
Local: Mon, Nov 19 2012 10:21 am
Subject: Re: Converting IDOMNode to IDOMHTMLInputElement fails
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Additional infos:
- Tests on Windows 7
- Firefox 17.0
- do_QueryInterface(elementNode, &error); yields NS_ERROR_NO_INTERFACE (0x80004002).

Why didn't I get here the interface since Gecko 17?


 
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Pelota  
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 More options Nov 20 2012, 6:54 am
Newsgroups: mozilla.dev.platform
From: Pelota <immonikolausneuh...@googlemail.com>
Date: Tue, 20 Nov 2012 03:54:37 -0800 (PST)
Local: Tues, Nov 20 2012 6:54 am
Subject: Re: Converting IDOMNode to IDOMHTMLInputElement fails
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The real problem was using an old 17.0 Gecko SDK. With SDK 17.0b6 there is no problem.

Thx for fast help, Kyle!


 
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Neil  
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 More options Nov 20 2012, 7:26 am
Newsgroups: mozilla.dev.platform
From: Neil <n...@parkwaycc.co.uk>
Date: Tue, 20 Nov 2012 12:25:59 +0000
Local: Tues, Nov 20 2012 7:25 am
Subject: Re: Converting IDOMNode to IDOMHTMLInputElement fails
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Kyle Huey wrote:
>The IID of nsIDOMHTMLInputElement changed from Gecko 16 to Gecko 17.  You are probably compiling against headers for Gecko 16.

How does bug 813264 affect this?

--
Warning: May contain traces of nuts.


 
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Kyle Huey  
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 More options Nov 20 2012, 7:34 am
Newsgroups: mozilla.dev.platform
From: Kyle Huey <m...@kylehuey.com>
Date: Tue, 20 Nov 2012 04:34:26 -0800
Local: Tues, Nov 20 2012 7:34 am
Subject: Re: Converting IDOMNode to IDOMHTMLInputElement fails
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On Tue, Nov 20, 2012 at 3:54 AM, Pelota
<immonikolausneuh...@googlemail.com>wrote:

> The real problem was using an old 17.0 Gecko SDK. With SDK 17.0b6 there is
> no problem.

> Thx for fast help, Kyle!

As Neil alludes to, this is actually our fault for changing the interfaces
during beta.  We've undone that now.  The released version of Firefox will
be shipping with the IIDs from 17.0b5 (and previous betas), not 17.0b6.

There are details in Bug 813264 if you're curious.

- Kyle


 
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