/// <summary>
/// Creates an instance of <see cref="ViewModelLocator"/>.
/// </summary>
/// <param name="typeResolver">The type resolver.</param>
public ViewModelLocator(IViewModelTypeResolver typeResolver)
{
if (typeResolver == null)
throw new ArgumentNullException(nameof(typeResolver));
_typeResolver = typeResolver;
}
/// <summary>
/// Creates an instance of <see cref="FrameAdapter" />.
/// </summary>
/// <param name="frame">The frame to represent as a <see cref="INavigationService" />.</param>
/// <param name="viewModelLocator">The view-model locator.</param>
/// <param name="viewModelBinder">The view-model binder.</param>
/// <param name="viewModelTypeResolver">The view-model type resolver.</param>
public FrameAdapter(Frame frame, IViewModelLocator viewModelLocator, IViewModelBinder viewModelBinder, IViewModelTypeResolver viewModelTypeResolver)
{
if (frame == null)
{
throw new ArgumentNullException(nameof(frame));
}
if (viewModelLocator == null)
{
throw new ArgumentNullException(nameof(viewModelLocator));
}
if (viewModelBinder == null)
{
throw new ArgumentNullException(nameof(viewModelBinder));
}
if (viewModelTypeResolver == null)
{
throw new ArgumentNullException(nameof(viewModelTypeResolver));
}
_frame = frame;
_viewModelLocator = viewModelLocator;
_viewModelBinder = viewModelBinder;
_viewModelTypeResolver = viewModelTypeResolver;
_frame.Navigating += OnNavigating;
_frame.Navigated += OnNavigated;
// This could leak memory if we're creating and destorying navigation services regularly.
var navigationManager = SystemNavigationManager.GetForCurrentView();
navigationManager.BackRequested += OnBackRequested;
}
/// <summary>
/// Creates an instance of <see cref="ViewModelLocator"/>.
/// </summary>
/// <param name="typeResolver">The type resolver.</param>
public ViewModelLocator(IViewModelTypeResolver typeResolver)
{
if (typeResolver == null)
{
throw new ArgumentNullException(nameof(typeResolver));
}
_typeResolver = typeResolver;
}
/// <summary>
/// Creates an instance of <see cref="NavigationService" />.
/// </summary>
/// <param name="frame">The frame to represent as a <see cref="INavigationService" />.</param>
/// <param name="viewModelTypeResolver">The view-model type resolver.</param>
public NavigationService(Frame frame, IViewModelTypeResolver viewModelTypeResolver)
{
if (frame == null)
{
throw new ArgumentNullException(nameof(frame));
}
if (viewModelTypeResolver == null)
{
throw new ArgumentNullException(nameof(viewModelTypeResolver));
}
_frame = frame;
_viewModelTypeResolver = viewModelTypeResolver;
}
/// <summary>
/// Creates an instance of <see cref="FrameAdapter" />.
/// </summary>
/// <param name="frame">The frame to represent as a <see cref="INavigationService" />.</param>
/// <param name="viewModelLocator">The view-model locator.</param>
/// <param name="viewModelBinder">The view-model binder.</param>
/// <param name="viewModelTypeResolver">The view-model type resolver.</param>
public FrameAdapter(Frame frame, IViewModelLocator viewModelLocator, IViewModelBinder viewModelBinder, IViewModelTypeResolver viewModelTypeResolver)
{
if (frame == null)
throw new ArgumentNullException(nameof(frame));
if (viewModelLocator == null)
throw new ArgumentNullException(nameof(viewModelLocator));
if (viewModelBinder == null)
throw new ArgumentNullException(nameof(viewModelBinder));
if (viewModelTypeResolver == null)
throw new ArgumentNullException(nameof(viewModelTypeResolver));
_frame = frame;
_viewModelLocator = viewModelLocator;
_viewModelBinder = viewModelBinder;
_viewModelTypeResolver = viewModelTypeResolver;
_frame.Navigating += OnNavigating;
_frame.Navigated += OnNavigated;
// This could leak memory if we're creating and destorying navigation services regularly.
var navigationManager = SystemNavigationManager.GetForCurrentView();
navigationManager.BackRequested += OnBackRequested;
}
