On Wed, Feb 12, 2014 at 8:14 PM, Gijs Kruitbosch <gijskruitbo...@gmail.com>wrote:
> On 12/02/2014 14:30, Boris Zbarsky wrote: > >> On 2/12/14 8:44 AM, Girish Sharma wrote: >> >>> I want to track the creation and removal of docshells from a top level >>> content docshell. Is it possible ? >>> >> >> There are no built-in facilities for this right now, as far as I can >> tell. You could simply add something.... >> >> One option would be to watch window creation for things being added, I >> guess, and pagehide for things being removed. But going from a pagehide >> event to "what is being removed?" is not trivial.. >> >> To observe changes in windows, I add a load and unload event on the >>> chromeEventHandler of the top level content docshell like [1]. >>> >> >> Yeah, that won't work. pageshow/pagehide would at least fire >> consistently, but they represent _pages_, not docshells. >> >> -Boris >> > > Dumb question: Could you listen for dom-window-destroyed and > toplevel-window-ready, and figure out from the args which one was a > toplevel-of-type docshell, and/or which ones are descendants of the > top-level-content docshell you're interested in, or is there some reason > that wouldn't work? > > dom-window-destroyed is similar to unload event on docshell so it will work. But toplevel-window-ready only tells me when a top level window is added. What about any newly added iframes inside that window ? Also, my main motive is to get hold of window objects, so no of checking with docshells I believe . ~ Gijs > > _______________________________________________ > dev-platform mailing list > dev-platform@lists.mozilla.org > https://lists.mozilla.org/listinfo/dev-platform > -- Girish Sharma B.Tech(H), Civil Engineering, Indian Institute of Technology, Kharagpur _______________________________________________ dev-platform mailing list dev-platform@lists.mozilla.org https://lists.mozilla.org/listinfo/dev-platform
