[Webkit-unassigned] [Bug 71354] Resizing Cappuccino is very laggy on WebKit since Safari 5.1

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=71354





--- Comment #7 from Andreas Kling <kling at webkit.org>  2011-12-12 17:49:27 PST ---
(In reply to comment #6)
> (From update of attachment 118921 [details])
> View in context: https://bugs.webkit.org/attachment.cgi?id=118921&action=review
> 
> > Source/WebKit2/WebProcess/WebCoreSupport/WebChromeClient.cpp:110
> > +#if PLATFORM(MAC)
> > +    return m_page->windowFrameInScreenCoordinates();
> > +#else
> 
> Will a potentially stale value be used here as a result of this change? I'm not even sure if any WindowAndViewFramesChanged will be delivered until after the end of resizing.

What do you mean by the end of resizing? When you let go of the window edge? On my (Lion) system, there's a steady stream of WindowAndViewFramesChanged messages during resize. And this change does indeed make <http://githubissues.heroku.com/> significantly less laggy.

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