/// <summary>Called when a new instance of the application has been created. </summary>
/// <param name="frame">The frame. </param>
/// <param name="args">The launch arguments.</param>
public override Task OnInitializedAsync(MtFrame frame, ApplicationExecutionState args)
{
frame.PageAnimation = new TurnstilePageAnimation();
// TODO: Run when the app is started (not resumed)
return null;
}
public MtNavigationService(MtFrame rootFrame)
{
this.RootFrame = rootFrame;
this.RootFrame.Navigated += RootFrame_Navigated;
this.RootFrame.Navigating += RootFrame_Navigating;
}
/// <summary>Deregisters a frame. </summary>
/// <param name="frame">The frame. </param>
public static void DeregisterFrame(MtFrame frame)
{
SessionState.Remove((String)frame.GetValue(FrameSessionStateKeyProperty));
_registeredFrames.RemoveAll((weakFrameReference) =>
{
MtFrame testFrame;
return(!weakFrameReference.TryGetTarget(out testFrame) || testFrame == frame);
});
}
private static void RestoreFrameNavigationState(MtFrame frame)
{
var frameState = SessionStateForFrame(frame);
if (frameState.ContainsKey("Navigation"))
{
frame.SetNavigationState((String)frameState["Navigation"]);
}
}
public HamburgerFrame()
{
Frame = new MtFrame();
Frame.PageAnimation = null;
Frame.Navigated += FrameOnNavigated;
Hamburger = new Hamburger();
Hamburger.Content = Frame;
Hamburger.ItemChanged += HamburgerOnItemChanged;
}
/// <summary>Called when a new instance of the application has been created. </summary>
/// <param name="frame">The frame. </param><param name="args">The launch arguments.</param>
public override Task OnInitializedAsync(MtFrame frame, ApplicationExecutionState args)
{
// TODO: Initialize application and register more message types if needed.
var mapper = RegexViewModelToViewMapper.CreateDefaultMapper(GetType().GetTypeInfo().Assembly);
Messenger.Default.Register(DefaultActions.GetNavigateMessageAction(mapper, frame));
Messenger.Default.Register(DefaultActions.GetGoBackMessageAction(frame));
Messenger.Default.Register(DefaultActions.GetTextMessageAction());
return base.OnInitializedAsync(frame, args);
}
public override Task OnInitializedAsync(MtFrame frame, ApplicationExecutionState args)
{
// TODO: Called when the app is started (not resumed)
//frame.PageAnimation = new TurnstilePageAnimation { UseBitmapCacheMode = true };
//frame.PageAnimation = new PushPageAnimation();
var mapper = RegexViewModelToViewMapper.CreateDefaultMapper(typeof(App).GetTypeInfo().Assembly);
Messenger.Default.Register(DefaultActions.GetNavigateMessageAction(mapper, frame));
return null;
}
/// <summary>Initializes a new instance of the <see cref="HamburgerFrameBuilder"/> class.</summary>
public HamburgerFrameBuilder()
{
DeselectWhenPageNotFound = true;
Frame = new MtFrame();
Frame.PageAnimation = null;
Frame.Navigated += FrameOnNavigated;
Hamburger = new Hamburger();
Hamburger.Content = Frame;
Hamburger.ItemChanged += HamburgerOnItemChanged;
}
/// <summary>Initializes a new instance of the <see cref="HamburgerFrameBuilder"/> class.</summary>
public HamburgerFrameBuilder()
{
DeselectWhenPageNotFound = true;
Frame = new MtFrame();
Frame.PageAnimation = null;
Frame.Navigated += FrameOnNavigated;
Hamburger = new Hamburger();
Hamburger.Content = Frame;
Hamburger.ItemChanged += HamburgerOnItemChanged;
}
public Shell(MtFrame rootFrame)
{
this.RootFrame = rootFrame;
this.InitializeComponent();
this.main_content.Content = this.RootFrame;
this.Loaded += Shell_Loaded;
this.HideToastTimer = new DispatcherTimer();
this.HideToastTimer.Interval = TimeSpan.FromSeconds(3);
this.HideToastTimer.Tick += HideToastTimer_Tick;
}
/// <exception cref="InvalidOperationException">The base type is not an MtPage. Change the base type from Page to MtPage. </exception>
internal MtPage GetPage(MtFrame frame)
{
if (Page == null)
{
var page = Activator.CreateInstance(Type) as MtPage;
if (page == null)
throw new InvalidOperationException("The base type is not an MtPage. Change the base type from Page to MtPage. ");
Page = page;
Page.Frame = frame;
}
return Page;
}
/// <summary>Initializes a new instance of the <see cref="HamburgerFrameBuilder"/> class.</summary>
public HamburgerFrameBuilder()
{
DeselectWhenPageNotFound = true;
Frame = new MtFrame();
Frame.PageAnimation = null;
Frame.Navigated += OnFrameNavigated;
Hamburger = new Hamburger();
Hamburger.Content = Frame;
Hamburger.ItemChanged += async(s, e) => await OnSelectedHamburgerItemChanged(s, e);
Hamburger.PaneVisibilityChanged += HamburgerOnPaneVisibilityChanged;
}
/// <exception cref="InvalidOperationException">The base type is not an MtPage. Change the base type from Page to MtPage. </exception>
internal MtPage GetPage(MtFrame frame)
{
if (Page == null)
{
var page = Activator.CreateInstance(Type) as MtPage;
if (page == null)
{
throw new InvalidOperationException("The base type is not an MtPage. Change the base type from Page to MtPage. ");
}
Page = page;
Page.Frame = frame;
}
return(Page);
}
/// <summary>Registers a frame so that its navigation state can be saved and restored. </summary>
/// <param name="frame">The frame. </param>
/// <param name="sessionStateKey">The session state key. </param>
public static void RegisterFrame(MtFrame frame, String sessionStateKey)
{
if (frame.GetValue(FrameSessionStateKeyProperty) != null)
{
throw new InvalidOperationException("Frames can only be registered to one session state key");
}
if (frame.GetValue(FrameSessionStateProperty) != null)
{
throw new InvalidOperationException("Frames must be either be registered before accessing frame session state, or not registered at all");
}
frame.SetValue(FrameSessionStateKeyProperty, sessionStateKey);
_registeredFrames.Add(new WeakReference <MtFrame>(frame));
RestoreFrameNavigationState(frame);
}
/// <summary>Gets the session state for a given frame. </summary>
/// <param name="frame">The frame. </param>
/// <returns>The session state. </returns>
public static Dictionary <String, Object> SessionStateForFrame(MtFrame frame)
{
var frameState = (Dictionary <String, Object>)frame.GetValue(FrameSessionStateProperty);
if (frameState == null)
{
var frameSessionKey = (String)frame.GetValue(FrameSessionStateKeyProperty);
if (frameSessionKey != null)
{
if (!_sessionState.ContainsKey(frameSessionKey))
{
_sessionState[frameSessionKey] = new Dictionary <String, Object>();
}
frameState = (Dictionary <String, Object>)_sessionState[frameSessionKey];
}
else
{
frameState = new Dictionary <String, Object>();
}
frame.SetValue(FrameSessionStateProperty, frameState);
}
return(frameState);
}
/// <summary>Gets the default handling action of <see cref="NavigateMessage"/> objects. </summary>
/// <param name="mapper">The mapper which maps view model types to view types. </param>
/// <param name="frame">The frame. </param>
/// <returns>The message action. </returns>
public static Action<NavigateMessage> GetNavigateMessageAction(IViewModelToViewMapper mapper, MtFrame frame)
{
return async message => await frame.NavigateAsync(mapper.Map(message.ViewModelType), message.Parameter);
}
internal void SetFrame(MtFrame frame, string pageKey)
{
Frame = frame;
PageStateHandler.PageKey = pageKey;
}
/// <summary>Registers a frame so that its navigation state can be saved and restored. </summary>
/// <param name="frame">The frame. </param>
/// <param name="sessionStateKey">The session state key. </param>
public static void RegisterFrame(MtFrame frame, String sessionStateKey)
{
if (frame.GetValue(FrameSessionStateKeyProperty) != null)
throw new InvalidOperationException("Frames can only be registered to one session state key");
if (frame.GetValue(FrameSessionStateProperty) != null)
throw new InvalidOperationException("Frames must be either be registered before accessing frame session state, or not registered at all");
frame.SetValue(FrameSessionStateKeyProperty, sessionStateKey);
_registeredFrames.Add(new WeakReference<MtFrame>(frame));
RestoreFrameNavigationState(frame);
}
public override async Task OnInitializedAsync(MtFrame frame, ApplicationExecutionState args)
{
//await HideStatusBarAsync();
}
private static void RestoreFrameNavigationState(MtFrame frame)
{
var frameState = SessionStateForFrame(frame);
if (frameState.ContainsKey("Navigation"))
frame.SetNavigationState((String)frameState["Navigation"]);
}
private static void SaveFrameNavigationState(MtFrame frame)
{
var frameState = SessionStateForFrame(frame);
frameState["Navigation"] = frame.GetNavigationState();
}
/// <summary>Gets the session state for a given frame. </summary>
/// <param name="frame">The frame. </param>
/// <returns>The session state. </returns>
public static Dictionary<String, Object> SessionStateForFrame(MtFrame frame)
{
var frameState = (Dictionary<String, Object>)frame.GetValue(FrameSessionStateProperty);
if (frameState == null)
{
var frameSessionKey = (String)frame.GetValue(FrameSessionStateKeyProperty);
if (frameSessionKey != null)
{
if (!_sessionState.ContainsKey(frameSessionKey))
_sessionState[frameSessionKey] = new Dictionary<String, Object>();
frameState = (Dictionary<String, Object>)_sessionState[frameSessionKey];
}
else
frameState = new Dictionary<String, Object>();
frame.SetValue(FrameSessionStateProperty, frameState);
}
return frameState;
}
public string GetNavigationState(MtFrame frame)
{
// remove pages which do not support tombstoning
var pagesToSerialize = _pages;
var currentIndexToSerialize = CurrentIndex;
var firstPageToRemove = _pages.FirstOrDefault(p =>
{
var page = p.GetPage(frame);
return !page.IsSuspendable;
});
if (firstPageToRemove != null)
{
var index = pagesToSerialize.IndexOf(firstPageToRemove);
pagesToSerialize = _pages.Take(index).ToList();
currentIndexToSerialize = index - 1;
}
var output = DataContractSerialization.Serialize(
new MtFrameDescription
{
CurrentPageIndex = currentIndexToSerialize,
PageStack = pagesToSerialize
},
true, MtSuspensionManager.KnownTypes.ToArray());
return output;
}
/// <summary>Gets the default handling action of <see cref="GoBackMessage"/> objects. </summary>
/// <param name="frame">The frame to call the navigation methods on. </param>
/// <returns>The message action. </returns>
public static Action<GoBackMessage> GetGoBackMessageAction(MtFrame frame)
{
return message => frame.GoBackAsync();
}
/// <summary>Called when a new instance of the application has been created. </summary>
/// <param name="frame">The frame. </param>
/// <param name="args">The launch arguments.</param>
public virtual Task OnInitializedAsync(MtFrame frame, ApplicationExecutionState args)
{
return(null); // Must be empty
}
/// <summary>Called when a new instance of the application has been created. </summary>
/// <param name="frame">The frame. </param>
/// <param name="args">The launch arguments.</param>
public virtual Task OnInitializedAsync(MtFrame frame, ApplicationExecutionState args)
{
return null; // Must be empty
}
private static void SaveFrameNavigationState(MtFrame frame)
{
var frameState = SessionStateForFrame(frame);
frameState["Navigation"] = frame.GetNavigationState();
}
internal void SetFrame(MtFrame frame, string pageKey)
{
Frame = frame;
PageStateHandler.PageKey = pageKey;
}
/// <summary>Deregisters a frame. </summary>
/// <param name="frame">The frame. </param>
public static void DeregisterFrame(MtFrame frame)
{
SessionState.Remove((String)frame.GetValue(FrameSessionStateKeyProperty));
_registeredFrames.RemoveAll((weakFrameReference) =>
{
MtFrame testFrame;
return !weakFrameReference.TryGetTarget(out testFrame) || testFrame == frame;
});
}
private void InitializeFrame()
{
var frame = new MtFrame();
frame.DisableForwardStack = false;
frame.Navigated += Frame_Navigated;
this.RootFrame = frame;
this.NavigationService = new MtNavigationService(frame);
this.ConfigureContainer();
this.ConfigureViewModelLocator();
}
