public void removeRoute(Route route)
{
D.assert(route != null);
D.assert(!this._debugLocked);
D.assert(() => {
this._debugLocked = true;
return(true);
});
D.assert(route._navigator == this);
var index = this._history.IndexOf(route);
D.assert(index != -1);
var previousRoute = index > 0 ? this._history[index - 1] : null;
var nextRoute = index + 1 < this._history.Count ? this._history[index + 1] : null;
this._history.RemoveAt(index);
previousRoute?.didChangeNext(nextRoute);
nextRoute?.didChangePrevious(previousRoute);
foreach (var observer in this.widget.observers)
{
observer.didRemove(route, previousRoute);
}
route.dispose();
D.assert(() => {
this._debugLocked = false;
return(true);
});
this._afterNavigation();
}
public void replace(Route oldRoute = null, Route newRoute = null)
{
D.assert(!this._debugLocked);
D.assert(oldRoute != null);
D.assert(newRoute != null);
if (oldRoute == newRoute)
{
return;
}
D.assert(() => {
this._debugLocked = true;
return(true);
});
D.assert(oldRoute._navigator == this);
D.assert(newRoute._navigator == null);
D.assert(oldRoute.overlayEntries.isNotEmpty());
D.assert(newRoute.overlayEntries.isEmpty());
D.assert(!this.overlay.debugIsVisible(oldRoute.overlayEntries.last()));
var index = this._history.IndexOf(oldRoute);
D.assert(index >= 0);
newRoute._navigator = this;
newRoute.install(oldRoute.overlayEntries.last());
this._history[index] = newRoute;
newRoute.didReplace(oldRoute);
if (index + 1 < this._history.Count)
{
newRoute.didChangeNext(this._history[index + 1]);
this._history[index + 1].didChangePrevious(newRoute);
}
else
{
newRoute.didChangeNext(null);
}
if (index > 0)
{
this._history[index - 1].didChangeNext(newRoute);
newRoute.didChangePrevious(this._history[index - 1]);
}
foreach (var observer in this.widget.observers)
{
observer.didReplace(newRoute: newRoute, oldRoute: oldRoute);
}
oldRoute.dispose();
D.assert(() => {
this._debugLocked = false;
return(true);
});
}
public void finalizeRoute(Route route)
{
this._poppedRoutes.Remove(route);
route.dispose();
}