[Webkit-unassigned] [Bug 9417] New: Inappropriate +initialize method added to NSPasteboard via category

[bugzilla-daemon at opendarwin.org]

http://bugzilla.opendarwin.org/show_bug.cgi?id=9417

           Summary: Inappropriate +initialize method added to NSPasteboard
                    via category
           Product: WebKit
           Version: 420+ (nightly)
          Platform: Macintosh
        OS/Version: Mac OS X 10.4
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: WebKit Misc.
        AssignedTo: webkit-unassigned at opendarwin.org
        ReportedBy: jim.correia at pobox.com


As of r14819 (*) of the WebKit source, there is code in WebNSPasteBoardExtras.m
which looks like this:

(*) The version of WebKit shipping on 10.4.6 does something similar.

@implementation NSPasteboard (WebExtras)

+ (void)initialize
{
        [...]
}

Unlike +load (which is sent to every category), +initialize is only sent once
per class, thus the category implementation is going to override the
NSPasteboard implementation.

NSPasteboard today doesn't have an +initialize, but if it were to every get
one, applications which linked against WebKit would have subtly wrong/different
behavior. Some alternative means of initializing the category globals seems
like a good idea.

See also rdar://problem/4582212


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