[webkit-dev] Regarding kjs:Window:clear()

[Darin Adler]

On Mar 13, 2009, at 12:45 AM, Nilesh Patil wrote:

> What does kjs:Window:clear() do ?

You must be looking at an old version of the WebKit source tree; there  
is no longer a function of that name.

The JSDOMWindowBase::clear function clears out the state of a DOM  
window object, leaving it in a state where it can be re-used on a new  
document.

> will it call destructor ?

I don’t understand the question. The clear function doesn’t directly  
call any destructor and is not responsible for destroying the DOM  
window object, if that’s what you’re asking.

> Because its not called when window is closed

With the latest WebKit and Safari on Mac OS X, and it was called when  
I did the following test:

     1) go to www.google.com
     2) close the window

The -[WebView _close] method called FrameLoader:;detachFromParent,  
which called Frame::pageDestroyed, which called  
ScriptController::clearWindowShell, which called JSDOMWindowBase::clear.

     -- Darin