Re: How get nsIView from a nsGenericElement

On Apr 26, 8:59 am, Smaug <[email protected]> wrote:
> On 4/26/10 6:43 PM, hap497 wrote:
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> > On Apr 25, 8:00 pm, Boris Zbarsky<[email protected]>  wrote:
> >> On 4/25/10 9:32 PM, hap497 wrote:
>
> >>> If I have a pointer to nsGenericElement, how can I get a nsIView of
> >>> the element?
>
> >> Just based on the element, you can't.  There may not be a view, or there
> >> may be more than one.
>
> >> What are you actually trying to do?
>
> >> -Boris
>
> > I am trying to emulate an  user click event on html element like
> > anchor.  So I am trying to call nsPresShell's HandleEvent method
> > HandleEvent(nsIView*        aView, nsGUIEvent*     aEvent,
> > nsEventStatus*  aEventStatus);
> >http://mxr.mozilla.org/mozilla1.9.1/source/layout/base/nsPresShell.cp...
>
> > Since my input is an nsGenericElement (an anchor), I need to get a
> > nsIView to call this HandleEvent.
>
> > Thank you.
>
> Could you perhaps use trunk or 1.9.2 builds?
> nsDOMWindowUtils::DispatchDOMEventViaPresShell might be useful for you.
> It doesn't dispatch the event using PresShell::HandleEvent but
> PresShell::HandleEventWithTarget.
>
> -Olli
I see a method HandleEventWithTarget in 1.9.1, are they the same?
http://mxr.mozilla.org/mozilla1.9.1/source/layout/base/nsPresShell.cpp#867

And how can I get nsIFrame from an nsGenericElement? I looked for it
in
http://mxr.mozilla.org/mozilla1.9.1/source/content/base/src/nsGenericElement.h
There are 2 methods: GetPrimaryFrame(); and GetStyledFrame();

Which one should I use?

Thank you.