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Accessing Object Parameters from an Embedded SVG

From: Jeff Schiller <codedread@gmail.com>
Date: Thu, 13 Mar 2008 13:03:27 -0500
Message-ID: <da131fde0803131103k11e28198paa9a9e2ffc5f2fbe@mail.gmail.com>
To: www-dom@w3.org, public-webapi@w3.org

Sorry, I didn't know what mailing list to send this to, hopefully I
caught some knowledgable people with this:

  <object data="http://some.other.domain/example.svg" ><param
name="foo" value="bar"/></object>

>From within foo.svg, shouldn't I be able to get access to the
parameters sent to the object?  This fails when the SVG and HTML are
in different domains (in my case, I have the HTML on a sub-domain and
the SVG at my root domain).

    var obj = window.frameElement;
    obj.getElementsByTagName("param"); // security error in Mozilla, Opera
    obj.firstChild; // security error in Mozilla, Opera

Are the parameter elements exposed to the embedded object?  In my
opinion, they NEED to be (that's their reason to exist, the client has
full knowledge that they are sending this information for the embedded
object's use).  From the SVG, I should be able to get the parameter
names and values, but I can't figure out a way.

Yes, there are security challenges with exposing the parameter
elements, but I'm still looking for any way to do this.

Received on Thursday, 13 March 2008 18:04:00 UTC

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