[Webkit-unassigned] [Bug 118788] [GTK] WebKitDOM objects leaking

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=118788

--- Comment #11 from Milan Crha <mcrha at redhat.com> ---
Few more observations found (by Tomas). When using
   webkit_dom_event_target_add_event_listener()
on a webkit GObject, then this object cannot be unreffed, because that will cause the listener die as well. That's pretty unfortunate. I know the idea is to have the object alive as long as the associated frame is alive, and keep all the memory management fully up to the WebKit, but that doesn't work in Evolution, where we have one WebView for a whole lifetime of the application.

I know there is an option to destroy & create the WebView whenever a new message is selected or such, but it has UI impact, which I'd like to avoid (UI flickering is not good).

Thus, apart of fixing the DOMObjecCache, could you add also a function for webkit_web_view to cleanup all objects from the DOMObjectCache associated for that WebView (its frame)? If would be like if the WebView's frame was destroyed, except it will not. That will mean than any GObject-s created for that view will be invalidated. It'll help to keep the memory usage low without constant recreation of the widgets.

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