This interface is implemented to add an 'about:' page. The contract id ends with a parameter that corresponds to the name of the about page.
Inherits from:
nsISupports
Last changed in Gecko 2.0 (Firefox 4 / Thunderbird 3.3 / SeaMonkey 2.1)Method overview
unsigned long getURIFlags(in nsIURI aURI); |
nsIChannel newChannel(in nsIURI aURI); |
Constants
| Constant | Value | Description |
URI_SAFE_FOR_UNTRUSTED_CONTENT |
(1 << 0) |
A flag that indicates whether a URI is safe for untrusted content. If it is, web pages and so forth will be allowed to link to this about: URI. Otherwise, only chrome will be able to link to it. |
ALLOW_SCRIPT |
(1 << 1) |
A flag that indicates whether script should be enabled for the given about: URI even if it's disabled in general. |
HIDE_FROM_ABOUTABOUT |
(1 << 2) |
A flag that indicates whether this about: URI doesn't want to be listed in about:about, especially if it's not useful without a query string. |
Methods
getURIFlags()
A method to get the flags that apply to a given about: URI. The URI passed in is guaranteed to be one of the URIs that this module registered to deal with.
unsigned long getURIFlags( in nsIURI aURI );
Parameters
-
aURI
Return value
A combination of the flags above corresponding to the appropriate flags for this about URI.
newChannel()
Constructs a new channel for the about protocol module.
nsIChannel newChannel( in nsIURI aURI );
Parameters
-
aURI - The uri of the new channel.
Return value
A fully constructed channel that will load the about URI.
See Also
On this page is seen how to make a custom about page. The section "Firefox 4 (Second Approach)" provides copy paste code for working example. Click here to view article.