Walter Fettich wrote:
This is because the QI of mDocShell to nsIDOMWindow in GetContentWindow
fails.
GetInterface, not QI. ;)
nsCOMPtr<nsIDOMWindow> retval = do_GetInterface(mDocShell, &rv);
if (NS_FAILED(rv)) return rv; //<------ FAIL!
OK. So the only ways that particular do_GetInterface call can fail are:
1) mDocShell is null
2) The docshell is in the middle of being destroyed.
3) There is a serious component registration error (e.g. no DOM script
object factory registered).
4) The treeowner doesn't hand back an nsIWebBrowserChrome.
5) Out of memory creating the window and setting it up.
Since we got past the NS_ENSURE_STATE(mDocShell), presumably, #1 is out.
I'd guess that the issue is #4, most likely.
-Boris
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