[Webkit-unassigned] [Bug 230257] [GTK][a11y] Add implementation of component interface when building with ATSPI

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=230257

--- Comment #5 from Andres Gonzalez <andresg_22 at apple.com> ---
(In reply to Carlos Garcia Campos from comment #4)
> (In reply to Andres Gonzalez from comment #3)
> > (In reply to Carlos Garcia Campos from comment #1)
> > > Created attachment 440592 [details]
> > > Patch
> > 
> > --- a/Source/WebCore/accessibility/isolatedtree/AXIsolatedObject.h
> > +++ a/Source/WebCore/accessibility/isolatedtree/AXIsolatedObject.h
> > 
> > +    RefPtr<AXIsolatedObject> nodeForID(AXID) const;
> > 
> > nodeForID belongs to the tree not to the isolated object. I think it is a
> > better design to keep it in AXIsolatedTree. Do you have a reason to move it
> > to AXIsolatedObject?
> 
> Yes, I need it in AccessibilityObjectAtspi::hitTest() only because of WTR
> actually. Since WTR calls accessibility api from the web process main
> thread, I can't use AXIsolatedObject::accessibilityHitTest() because it's
> always expected to be called from the secondary thread (nodeForID only works
> from the a11y thread). I can't use callOnAXthreadAndWait, because first
> thing AXIsolatedObject::accessibilityHitTest() is
> retrieveValueFromMainThread() but main thread is blocked. So, I split it
> adding AccessibilityObjectAtspi::objectAtPoint() that is always called by
> the main thread and does the coordinate conversion + accessibilityHitTest().
> When called from the main thread (WTR only) it's called directly and the
> wrapper object returned. When called from the AX thread I need the
> nodeForID() call to get the wrapper from the isolated object. 

Can't you get the wrapper from the isolated object? AXCoreObject::wrapper() should work in all objects, isolated or live.

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