[Project_owners] about:passwordmaker

Eric H. Jung grimholtz at yahoo.com
Tue Dec 13 17:54:17 EST 2005

Hi Neil,

Thanks for the explanation. You wouldn't happen to know of any examples
I might look at to see how to implement and register my own
nsIAboutModule component? I realize this is likely an esoteric topic,
so I'm not very hopeful.


--- Neil <neil at parkwaycc.co.uk> wrote:

> Eric H. Jung wrote:
> >When my extension opens a new tab with the URI
> "about:passwordmaker", I can't populate it with content. I'd like to
> use this URI to display information about my extension's settings.
> However, the following exception appears in the JS console:
> >
> >Error: [Exception... "Component returned failure code: 0x80040154
> nsresult: "0x80040154 (NS_ERROR_FACTORY_NOT_REGISTERED)"  location:
> "JS frame :: chrome://global/content/bindings/browser.xml ::
> loadURIWithFlags :: line 170"  data: no]
> >Source File: chrome://global/content/bindings/browser.xml
> >Line: 170
> >
> >Anyone know how I can achieve this? My code works just fine if I use
> "about:blank".
> >
> When you refer to about:passwordmaker Gecko tries to load a component
> named @mozilla.org/network/protocol/about;1?what=passwordmaker to 
> implement the nsIAboutModule interface. What that component then
> usually 
> does is create a channel for a chrome URL, and set its original URL
> to 
> the about URL, so for example about:config simply loads 
> chrome://global/content/config.js as you can demonstrate by comparing
> the two in two tabs.
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