Zen you don't need to redefine them as they are already defined by the
parent class. You just need to implement the properties/methods you want
to override, plus whatever else you need.
Every interface inherits from nsISupports giving you the
QueryInterface() method, which your interface will reimplement in the
fashion you need. The principle is the same for other ifaces.
As long as you createInstance() of your interface, it will have all the
attributes of the parent class, plus whatever you've defined and/or
implemented. This is what QueryInterface() is for, to allow you to cast
to different but inherited interfaces.
N
zen wrote:
Can i override the onStateChange() then?
zen
Michael Nachbaur wrote:
Since onStateChange is defined in nsIWebProgressListener, you don't
have to re-define it in your interface definition. Your progress
listener will simply inherit the capabilities of your inherited
interfaces. Just define what is different in your interface. You're
even allowed to have an empty interface list if you want. For
example, see nsIDOMDocumentFragment.idl
On Dec 5, 2005, at 4:35 AM, zen wrote:
Hi Neil,
Thanks for the response. However, it couldn't compile when I include
the onStateChange(), etc into the IDL. It says `onStateChange'
conflicts with nsIWebProgressListener.idl
Below is my code:
#include "nsIWebProgressListener.idl"
.
.
interface nsITTB : nsIWebProgressListener
{
void onStateChange(in nsIWebProgress aWebProgress,
in nsIRequest aRequest,
in unsigned long aStateFlags,
in nsresult aStatus);
};
zen
Neil Stansbury wrote:
Replace nsISupports with nsIWebProgressListener
Thus:
interface myInterface : nsIWebProgressListener {
attribute string someval;
}
N
zen wrote:
hi all,
how can i inherit the nsIWebProgressListener in my IDL?
thanks
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