debugging a CEF browser instance

Mark Waddingham mark at
Sat Jul 8 14:59:51 CEST 2017

Hi Bernard,

There's no list, no. The widget is a reasonably thin wrapper around either CEF or (on Mac, iOS and Android) the system provided WebView.

Without actually seeing cases to investigate which do not work as expected it is hard to advise what the problem might be (although 'cross origin requests' is one possibility).

Certainly as we discover such issues documenting them in the dictionary would be useful.

As mentioned before if you could file a bug report so we can look into it, that would be most helpful.

Warmest Regards,


Sent from my iPhone

> On 8 Jul 2017, at 09:59, Bernard Devlin via use-livecode <use-livecode at> wrote:
> Hi Mark,
> I suspect this is the problem. Is there a list of things which the LC
> embedded browser forbids? Is there an explanation of the rationale for the
> embedded browser to behave differently from a default browser?
> This should be noted in the Dictionary, perhaps in the top entry
> of: com.livecode.widget.browser.  Those who try Livecode for the first time
> and discover that the browser widget "doesn't work reliably" (which is how
> it appeared to me) may simply give up on Livecode.  Indeed, it might be
> better if a warning appears when a page attempts to do something that has
> been restricted (assuming the browser widget throws an exception when such
> things happen).
> Regards
> Bernard
> On Fri, Jul 7, 2017 at 1:25 PM, Mark Waddingham via use-livecode <
> use-livecode at> wrote:
>> The fact it doesn't work in either Mac's WebView of CEF may suggest that
>> the webpage
>> is doing something which is 'not allowed' by default
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