protected virtual void LoadScreen(CompositeDrawable loader, Drawable toLoad, Action continuation)
{
// If the previous screen has already been exited, do not attempt to load the new one.
if ((loader as IScreen)?.ValidForPush == false)
{
return;
}
if (toLoad.LoadState >= LoadState.Ready)
{
continuation?.Invoke();
}
else
{
if (loader.LoadState >= LoadState.Ready)
{
log($"loading {getTypeString(toLoad)}");
loader.LoadComponentAsync(toLoad, _ => continuation?.Invoke(), scheduler: Scheduler);
}
else
{
log($"scheduling load {getTypeString(toLoad)}");
Schedule(() => LoadScreen(loader, toLoad, continuation));
}
}
}
/// <summary>
/// Loads a <see cref="IScreen"/> through a <see cref="CompositeDrawable"/>.
/// </summary>
/// <param name="loader">The <see cref="CompositeDrawable"/> to load <paramref name="toLoad"/> with.</param>
/// <param name="toLoad">The <see cref="IScreen"/> to load.</param>
/// <param name="continuation">The <see cref="Action"/> to invoke after <paramref name="toLoad"/> has finished loading.</param>
protected virtual void LoadScreen(CompositeDrawable loader, Drawable toLoad, Action continuation)
{
if (toLoad.LoadState >= LoadState.Ready)
{
continuation?.Invoke();
}
else
{
loader.LoadComponentAsync(toLoad, _ => continuation?.Invoke(), scheduler: Scheduler);
}
}
