[Webkit-unassigned] [Bug 26665] New: webView:didFailLoadWithError:forFrame: called in -[WebView close]

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=26665

           Summary: webView:didFailLoadWithError:forFrame: called in -
                    [WebView close]
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Macintosh
               URL: http://www.apple.com
        OS/Version: Mac OS X 10.5
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: WebKit API
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: opendarwin at lapcatsoftware.com


Overview Description:
According to the documentation for -[WebView close], "A closed web view no
longer responds to new requests nor sends delegate messages." However, if I
call -[WebView close] while a page is still loading, it triggers the callback
webView:didFailLoadWithError:forFrame: with NSURLErrorCancelled.

Steps to Reproduce:
1) Unzip, build, and run attached sample Xcode project "WebViewClose.zip"

Actual Results:
As you can see in the console log, webView:didFailLoadWithError:forFrame: is
called after -[WebView close] is called.

Expected Results:
After -[WebView close] is called, there should be no delegate callbacks.

Build Date & Platform:
git commit 401f9b797d616c4f01bfe3f730b723494afc0ec2 Tue Jun 23 23:06:36 2009
+0000, corresponding to svn r45011.

Build 2002-03-15 on Mac OS 9.0
Additional Builds and Platforms:
This problem also occurs with stock WebKit on Mac OS X 10.5.7 with Safari 4.0.1
(5530.18).

Additional Information:
The sample project is based on the MiniBrowser example in
"/Developer/Examples/WebKit" from the Xcode 3.1.3 install. I only made a few
changes -- indicated by the NSLog() statements, to trigger the call to
-[WebView close] during page loading.

Depending on the definition of 'closed', a WebView may not be technically
closed until -close returns. However, having -close trigger a delegate callback
is not really good with respect to the method's documentation. At the very
least, it needs to be documented when exactly you can expect delegate callbacks
to stop.


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