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swt, xulrunner 10, and Javascript XPCOM calls [message #1004690]

Wed, 23 January 2013 17:10

Mark Fishman

Messages: 27
Registered: March 2011

Junior Member

I have switched my embedded browser component in my SWT application from xulrunner 3.6 to xulrunner 10. However, in doing so, I have run into a problem. When using xulrunner 3.6, I could do a

Browser browser = new Browser(parent, SWT.Mozilla);

and then do a call like:

browser.execute(javascriptString);

where the javascriptString did some xpcom calls.

However, after I switched to xulrunner 10, when I make a javascript call like:

var prefService = Components.classes["@mozilla.org/preferences-service;1"].getService(Components.interfaces.nsIPrefService);

I get a "Permission denied for <moz-safe-about:blank> to get property: XPComponents.classes" error message.

This may be more of a xulrunner rather than SWT Browser integration question but I was wondering if anyone else has run into this problem and figured out a way to re-enable this capability.

Thanks.

-- Mark

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Re: swt, xulrunner 10, and Javascript XPCOM calls [message #1005238 is a reply to message #1004690]

Thu, 24 January 2013 17:38

Mark Fishman

Messages: 27
Registered: March 2011

Junior Member

As a followup. I was finally able to access the javascript xpcom interfaces. However, to do it, I had to wait until the browser was rendered and the first page was fully loaded. I am not sure why this is. This is not how it worked in earlier versions of SWT/XulRunner integrations.

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