// ref: https://social.msdn.microsoft.com/Forums/en-US/ec977327-291e-4409-8ef7-2cefeca7698c/problem-using-bitmapimagesetsourceasync?forum=winappswithcsharp
private async Task <string> SendImageThumbsAsync()
{
List <StorageItemThumbnail> thumbs = ImagePage.GetThumbnailList();
// First, send the number of thumbnail (images)
streamWriter.WriteLine(thumbs.Count);
streamWriter.Flush();
// Second, send bitmap with Base64.
for (int i = 0; i < thumbs.Count; i++)
{
BitmapImage img = new BitmapImage();
var dr = new DataReader(thumbs[i].GetInputStreamAt(0));
byte[] bytes = new byte[thumbs[i].Size];
await dr.LoadAsync((uint)thumbs[i].Size);
dr.ReadBytes(bytes);
// Send base64
streamWriter.WriteLine(System.Convert.ToBase64String(bytes));
streamWriter.Flush();
}
// Finally, send status code.
return("OK");
}
/// <summary>
/// Invoked when the application is launched normally by the end user. Other entry points
/// will be used such as when the application is launched to open a specific file.
/// </summary>
/// <param name="e">Details about the launch request and process.</param>
protected override void OnLaunched(LaunchActivatedEventArgs e)
{
rootFrame = Window.Current.Content as Frame;
// Do not repeat app initialization when the Window already has content,
// just ensure that the window is active
if (rootFrame == null)
{
// Create a Frame to act as the navigation context and navigate to the first page
rootFrame = new Frame();
rootFrame.NavigationFailed += OnNavigationFailed;
if (e.PreviousExecutionState == ApplicationExecutionState.Terminated)
{
//TODO: Load state from previously suspended application
}
// Place the frame in the current Window
Window.Current.Content = rootFrame;
}
if (e.PrelaunchActivated == false)
{
if (rootFrame.Content == null)
{
// When the navigation stack isn't restored navigate to the first page,
// configuring the new page by passing required information as a navigation
// parameter
rootFrame.Navigate(typeof(StartPage), e.Arguments);
}
// Ensure the current window is active
Window.Current.Activate();
}
var titleBar = Windows.UI.ViewManagement.ApplicationView.GetForCurrentView().TitleBar;
// Make titlebar as view
CoreApplication.GetCurrentView().TitleBar.ExtendViewIntoTitleBar = true;
// Set active window colors
titleBar.ForegroundColor = Windows.UI.Colors.White;
titleBar.BackgroundColor = Windows.UI.Colors.Transparent;
titleBar.ButtonForegroundColor = Windows.UI.Colors.White;
titleBar.ButtonBackgroundColor = Windows.UI.Colors.Transparent;
titleBar.ButtonHoverForegroundColor = Windows.UI.Colors.White;
titleBar.ButtonHoverBackgroundColor = Windows.UI.Colors.LightGray;
titleBar.ButtonPressedForegroundColor = Windows.UI.Colors.White;
titleBar.ButtonPressedBackgroundColor = Windows.UI.Colors.DarkGray;
// Enter to fullscreen mode
Windows.UI.ViewManagement.ApplicationView.GetForCurrentView().TryEnterFullScreenMode();
// Manage key listener
Window.Current.CoreWindow.KeyDown += KeyDownEventHandler;
// Add mouse cursor pointer handler
AutoHideCursor.Start();
Window.Current.CoreWindow.PointerPressed += AutoHideCursor.AutoHider_PointerUsed;
Window.Current.CoreWindow.PointerMoved += AutoHideCursor.AutoHider_PointerUsed;
// Create socket datagram
socket = new Socket();
socket.CreateSocketListener();
socket.setRootFrame(rootFrame);
// Get file list of Video Page and Image page
ImagePage.GetImageList();
VideoPage.GetVideoList();
}
// http://garicchi.com/?p=5891
// string CheckCommand(String msg)
private async Task CheckCommand(String msg, Windows.Networking.Sockets.StreamSocketListenerConnectionReceivedEventArgs args)
{
await Task.Run(async() =>
{
string result = "";
outStream = args.Socket.OutputStream.AsStreamForWrite();
streamWriter = new StreamWriter(outStream);
await Windows.ApplicationModel.Core.CoreApplication.MainView.CoreWindow.Dispatcher.RunAsync(CoreDispatcherPriority.Normal,
async() =>
{
try
{
Debug.WriteLine(msg);
switch (msg)
{
case "ECHO":
result = await streamReader.ReadLineAsync();
break;
case "IMAGE":
// change mode to image mode and set the specified picture
rootFrame.ContentTransitions = new TransitionCollection();
rootFrame.ContentTransitions.Add(new NavigationThemeTransition());
rootFrame.Navigate(typeof(ImagePage));
result = "OK";
break;
case "VIDEO":
// change mode to video mode and set the specified video
rootFrame.ContentTransitions = new TransitionCollection();
rootFrame.ContentTransitions.Add(new NavigationThemeTransition());
rootFrame.Navigate(typeof(VideoPage));
result = "OK";
break;
case "LIVE":
// change mode to live mode
rootFrame.ContentTransitions = new TransitionCollection();
rootFrame.ContentTransitions.Add(new NavigationThemeTransition());
rootFrame.Navigate(typeof(LivePage));
result = "OK";
break;
case "BLANK":
// change mode to blank mode
rootFrame.ContentTransitions = new TransitionCollection();
rootFrame.ContentTransitions.Add(new NavigationThemeTransition());
rootFrame.Navigate(typeof(BlankPage));
result = "OK";
break;
case "HOME":
// change mode to blank mode
rootFrame.ContentTransitions = new TransitionCollection();
rootFrame.ContentTransitions.Add(new NavigationThemeTransition());
rootFrame.Navigate(typeof(StartPage));
rootFrame.BackStack.Clear();
result = "OK";
break;
case "NEXT":
Debug.WriteLine(App.GetMode());
switch (App.GetMode())
{
case "ImagePage":
ImagePage.NextImage(); break;
case "VideoPage":
VideoPage.NextVideo(); break;
default:
break;
}
result = "OK";
break;
case "PREVIOUS":
switch (App.GetMode())
{
case "ImagePage":
ImagePage.PreviousImage(); break;
case "VideoPage":
VideoPage.PreviousVideo(); break;
default:
break;
}
result = "OK";
break;
case "SET_IMAGE_BY_ID":
{
string id = await streamReader.ReadLineAsync();
ImagePage.SetImageIndex(int.Parse(id));
result = "OK";
break;
}
case "SET_VIDEO_BY_ID":
{
string id = await streamReader.ReadLineAsync();
VideoPage.SetVideoIndex(int.Parse(id));
result = "OK";
break;
}
case "TOGGLE_FULLSCREEN":
{
if (Windows.UI.ViewManagement.ApplicationView.GetForCurrentView().IsFullScreenMode)
{
Windows.UI.ViewManagement.ApplicationView.GetForCurrentView().ExitFullScreenMode();
}
else
{
Windows.UI.ViewManagement.ApplicationView.GetForCurrentView().TryEnterFullScreenMode();
}
break;
}
case "GET_MODE":
result = App.GetMode();
break;
case "GET_IMAGE_THUMBS":
result = await SendImageThumbsAsync();
break;
case "GET_VIDEO_THUMBS":
result = await SendVideoThumbsAsync();
break;
default:
result = "Invalid command.";
break;
}
}
catch
{
Debug.WriteLine("Failed to send command.");
result = "Failed to send command.";
}
});
// send back result strings
//await writer.WriteLineAsync(result);
//await writer.FlushAsync();
streamWriter.WriteLine(result);
streamWriter.Flush();
Debug.WriteLine(result);
});
}
