[Webkit-unassigned] [Bug 53196] New: queryCommandValue screws up background color at collapsed cursor

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=53196

           Summary: queryCommandValue screws up background color at
                    collapsed cursor
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
        OS/Version: Windows 7
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: HTML Editing
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: marcosalmeida at google.com
                CC: rniwa at webkit.org


In Chrome 8, go to the following plexode link:

http://plexode.com/eval3/#ht=%3Cdiv%20contentEditable%3Ehello%3C%2Fdiv%3E&ohh=0&ohj=0&jt=document.execCommand('backColor'%2C%20false%2C%20'%23ff0000')%3B%0Adocument.queryCommandValue('backColor')%3B&ojh=0&ojj=0&ms=100&oth=0&otj=0&cex=0

Place the cursor at the end of "hello", then click "eval JS now". The newly selected background color is output at the bottom (rgb(255, 0, 0)). Then start typing. Your text will correctly have a red background.

Now try the same in Chrome 9.0.597.83. The color output at the bottom will be rgba(0, 0, 0, 0) instead, and when you start typing, the text will not have a red background.

What seems to trigger this bug is the call to queryCommandValue. If you comment that out and try it again, the text will correctly have a red background.

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