37208 - nonexistant or empty stylesheet used --> nothing displayed

Status: VERIFIED FIXED

(Core :: CSS Parsing and Computation, defect, P3)

Description

[Jesse Ruderman]

If a page asks for a stylesheet that
 a) resolves to a file:/// url that doesn't exist or
 b) has length zero (is completely empty),
then mozilla displays nothing (in the 5569 sense).

Comment 1

[Jesse Ruderman]

Attachment: demonstration of zero-length css file problem

Comment 2

[Pierre Saslawsky]

Reassigned to attinasi because it's probably related to the changes made for
bug 17309. I guess we don't test an error case somewhere. If we fail to load to 
style sheet (in sync or async mode), we should call Cleanup() in order to display 
the page.

Comment 3

[Marc Attinasi]

Yes, I caused this regression when I put in the I18L support. The problem is I 
blocked the call to DidLoadStyle in SheetLoadData::OnStreamComplete when there 
is no data coming back - a mistake. DidLoadStyle needs to be called anyway to 
unblock the parser.

Comment 4

[Marc Attinasi]

Fix checked in: nsCSSLoader.cpp

Comment 5

[Jesse Ruderman]

Verif fixed 2000 093008.  Zero-length, nonexistant local, and nonexistant 
remote stylesheets no longer block the page from displaying.