WebView.connectShowNotification

gulong connectShowNotification(T)(T callback,  Flag!"After" after =  No.After) if (isCallable!T
    &&  is(ReturnType!T ==  bool)
   && (Parameters!T.length <  1 || (ParameterStorageClassTuple!T[0]  ==  ParameterStorageClass.none &&  is(Parameters!T[0] :  webkit.notification.Notification)))
   && (Parameters!T.length <  2 || (ParameterStorageClassTuple!T[1]  ==  ParameterStorageClass.none &&  is(Parameters!T[1] :  webkit.web_view.WebView)))
   &&  Parameters!T.length <  3)

Connect to ShowNotification signal.

This signal is emitted when a notification should be presented to the user. The notification is kept alive until either: 1) the web page cancels it or 2) a navigation happens.

The default handler will emit a notification using libnotify, if built with support for it.

Parameters

`callback`	signal callback delegate or function to connect `bool callback(webkit.notification.Notification notification, webkit.web_view.WebView webView)` `notification` a #WebKitNotification (optional) `webView` the instance the signal is connected to (optional) `Returns` true to stop other handlers from being invoked. false otherwise.
`after`	Yes.After to execute callback after default handler, No.After to execute before (default)

Returns

Signal ID