Re: Firefox 3.6 : How can I obtain a HWND from the corresponding nsIDOMDocument object?

Hi , Alexander.

That was precisely the API I did use, GetRootWidget()

Thank you for your suggestion

Best,
Oliveiros Cristina

2010/2/25 Alexander Surkov <[email protected]>

> On Feb 24, 8:25 pm, "Oliveiros C," <[email protected]>
> wrote:
> > Dear List,
> >
> > I have this code , in which spiDocument is an nsIDOMDocument.
> >
> > nsresult lReturnVal;
> >
> > HWND hWnd=NULL,hParentWindow;
> >
> > nsCOMPtr<nsIDocument> spiDoc = do_QueryInterface(spiDocument);
> >
> > nsIPresShell *piShell = spiDoc -> GetPrimaryShell();
> >
> > if (piShell)
> >
> > {
> >
> > // Find hWnd
> >
> > nsIViewManager* piViewManager = piShell -> GetViewManager();
> >
> > if (piViewManager)
> >
> > {
> >
> > nsCOMPtr<nsIWidget> spiWidget;
> >
> > piViewManager -> GetWidget(getter_AddRefs(spiWidget));
> >
> > if (spiWidget)
> >
> > hWnd = static_cast<HWND> (spiWidget -> GetNativeData(NS_NATIVE_WINDOW));
> >
> > }//if
> > }//if
> >
> > hParentWindow = GetAncestor(hWnd,GA_ROOT);
> >
> > return hWnd;
> >
> > This used to work on previous versions of xulrunner, but on the newest
> xulrunner 1.9.2 it doesnt work, because the GetWidget() method is no longer
> supported by the nsIViewManager interface.
> >
> > Can anyone please kindly point me the correct way to handle this (new)
> situation?
> >
> > Thanx in advance,
> >
> > Best,
> >
> > Oliveiros d'Azevedo Cristina
>
> You could use GetRootWidget() like we do (see
>
> http://mxr.mozilla.org/mozilla-central/source/accessible/src/base/nsDocAccessible.cpp#111
> )
>
> Alex.
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