[Webkit-unassigned] [Bug 12753] Incorrect values for window.screenTop and window.screenLeft

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=12753


Dimitri Allegoet <dallegoet at prestaconcept.net> changed:

           What    |Removed                     |Added
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                 CC|                            |dallegoet at prestaconcept.net




--- Comment #4 from Dimitri Allegoet <dallegoet at prestaconcept.net>  2012-07-18 03:34:30 PST ---
Greetings everyone,

The malfunctioning of screenLeft and screenTop has another dramatic effect. 
When in an Iframe, these coordinates are completely off, especially with scrolling.

I believe the expected behavior in this case is to return the screen coordinates of the top-left pixel of the current document, i.e. the iframe one.

In the kjs_window.cpp file, isn’t the fix as simple as: 
case ScreenTop:
        if (!isSafeScript(exec)) 
            return jsUndefined();
      return jsNumber(m_frame->view()->windowRect().y());

This works perfectly well under IE and Firefox (Firefox has its own set of property names; I can retrieve them if you like).
It would be great if this can be fixed as it prevents our client’s widgets to work correctly under Chrome/Safari :(

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