Re: [platform-swt-dev] Browser - XULRunner components

[Grant Gayed <Grant_Gayed@xxxxxxxxxx>]

Hi Ryan,

It's difficult to say for sure, but
your description sounds similar to what the Browser's "External"
component experienced before its QueryInterface() implementation began
returning implementations for nsISecurityCheckedComponent and nsIClassInfo.
 Maybe this is what you need?  External.java has example implementations.

Grant

Ryan Levering <rrlevering@xxxxxxxxx>
Sent by: platform-swt-dev-bounces@xxxxxxxxxxx

12/28/2010 05:37 PM

Please respond to
"Eclipse Platform SWT component developers list."        <platform-swt-dev@xxxxxxxxxxx>

To	platform-swt-dev@xxxxxxxxxxx
cc
Subject	[platform-swt-dev] Browser - XULRunner components

Are XPCOM components supported in the SWT wrapping
of XULRunner?

I only ask because it appears as if they are not, but I'm confused at how
this is true.

If I create an XPCOM component that overrides some service and drop it
into a firefox build, it works correctly.  I then take the same component
on the same XULRunner build (XULRunner 1.9.2.13 versus FF 3.6.13) with
SWT and drop it in and it makes an effort but ends up not working.  In
particular, the registerSelf method is called to register the component
factory but then getClassObject is never called (these are both nsiModule
methods).  The component directory is set up correctly in the AppFileLocProvider
and it's within the same directory as the hacked in external.xpt component
that SWT uses to call into _javascript_.  compreg.dat in the profile
directory shows that the component appears correctly registered.  So
on the surface things look good, but the service manager is not returning
the registered component, neither in the compiled XULRunner code nor if
I do something like Mozilla.getInstance().getServiceManager().getServiceByContractID(SERVICE_ID,
CLASS_ID).

I was wondering if 1) some one has gotten a custom component set up and
running so I'm just doing something silly or 2) Grant knows what my problem
is.
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