On Wed, Aug 9, 2017 at 9:39 PM, Boris Zbarsky <[email protected]> wrote: > On 8/9/17 1:55 PM, Henri Sivonen wrote: >> >> I'm thinking of introducing a C++-implemented XPCOM object that the >> JS-implemented XPCOM object can hold a reference to and that has a C++ >> destructor that does what I want. > > > Does that mean your action doesn't depend on which exact JS object got > collected, or that you can encode that information in some way without > referencing the JS object?
The action is decrementing a counter on the inner window, so it's sufficient if the C++ destructor knows if it needs to decrement the counter and knows which window. The concrete situation is described in https://bugzilla.mozilla.org/show_bug.cgi?id=1378123#c9 -- Henri Sivonen [email protected] https://hsivonen.fi/ _______________________________________________ dev-platform mailing list [email protected] https://lists.mozilla.org/listinfo/dev-platform
