I am using the Mac port of WebKit from a Cocoa app on Snow Leopard. I have 
problems getting the favicons from the database, which does not seem to work 
properly.

My main problem is that the persistent icon database does not seem to be 
loaded. I only get non-default icons (i.e. different from the standard blue 
globe) for URLs that have been loaded during the current launch session of the 
app, while for URLs visited in previous runs I consistently get the default 
icon. I have confirmed that the icon database is enabled and started up (the 
WebIconDatabaseEnabled pref is true, and also -[WebIconDatabase 
_startUpIconDatabase] is called). I have also confirmed that my app does in 
fact update the database file ~/Library/Icons/WebpageIcons.db, and includes 
URLs that I have visited. I access icons for history items currently through 
-[WebHistoryItem icon], which seems to get them directly from [WebIconDatabase 
iconForURL:withSize:].

Another problem is that I cannot find any generic API to get favicons for URLs, 
as WebIconDatabase.h is not included in the public headers. Is there a reason 
why this is private? And is there any other way to get the favicons, e.g. for 
bookmarks, or do I need to use private interface to access the database? Are 
there any plans to make it public?

As several WebKit based browsers like Safari are able to successfully use the 
favicons (persistently and for bookmarks), I would expect that there should be 
workarounds for these problems (bugs). Could anyone tell me about these?

Thanks,
Christiaan

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