internal static void PagePopped(YamvvmPage modelPage)
{
if (_pageHandler.Count > 0 && modelPage == _pageHandler.Peek().Page)
{
_pageHandler.Pop();
}
}
internal static bool IsModal(YamvvmPage modelPage)
{
if (_pageHandler.Count > 0 && modelPage == _pageHandler.Peek().Page)
{
return(_pageHandler.Peek().IsModal);
}
return(false);
}
private static async Task DestroyPageViewModel(YamvvmPage page)
{
if (page.BindingContext is YamvvmViewModel vm)
{
if (vm.ModelPage != null)
{
vm.ModelReady -= vm.ModelPage.ModelReady;
}
await DoAsyncWithoutWaiting(async() =>
{
await vm.Destroy();
});
}
}
private static async Task InitialisePageViewModel(YamvvmPage page, YamvvmViewModel vm)
{
if (page != null && vm != null)
{
vm.ModelPage = page;
vm.ModelReady += page.ModelReady;
#if DEBUG
var vmtype = vm.GetType().Name;
var sw = System.Diagnostics.Stopwatch.StartNew();
System.Diagnostics.Debug.WriteLine("Starting init of VM {0}", vmtype);
#endif
await vm.Initialise();
#if DEBUG
sw.Stop();
System.Diagnostics.Debug.WriteLine("Finished init of VM {0} ({1}ms)", vmtype, sw.ElapsedMilliseconds);
#endif
}
}
