diff options
Diffstat (limited to 'protocols/Telegram/tdlib/td/example/uwp/app/App.xaml.cs')
-rw-r--r-- | protocols/Telegram/tdlib/td/example/uwp/app/App.xaml.cs | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/protocols/Telegram/tdlib/td/example/uwp/app/App.xaml.cs b/protocols/Telegram/tdlib/td/example/uwp/app/App.xaml.cs new file mode 100644 index 0000000000..0ed0f96812 --- /dev/null +++ b/protocols/Telegram/tdlib/td/example/uwp/app/App.xaml.cs @@ -0,0 +1,104 @@ +// +// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2018 +// +// Distributed under the Boost Software License, Version 1.0. (See accompanying +// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) +// +using System; +using Windows.ApplicationModel; +using Windows.ApplicationModel.Activation; +using Windows.UI.Xaml; +using Windows.UI.Xaml.Controls; +using Windows.UI.Xaml.Navigation; + +namespace TdApp +{ + /// <summary> + /// Provides application-specific behavior to supplement the default Application class. + /// </summary> + sealed partial class App : Application + { + /// <summary> + /// Initializes the singleton application object. This is the first line of authored code + /// executed, and as such is the logical equivalent of main() or WinMain(). + /// </summary> + public App() + { + Microsoft.ApplicationInsights.WindowsAppInitializer.InitializeAsync( + Microsoft.ApplicationInsights.WindowsCollectors.Metadata | + Microsoft.ApplicationInsights.WindowsCollectors.Session); + this.InitializeComponent(); + this.Suspending += OnSuspending; + } + + /// <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) + { + +#if DEBUG + if (System.Diagnostics.Debugger.IsAttached) + { + this.DebugSettings.EnableFrameRateCounter = true; + } +#endif + + Frame 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 (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(MainPage), e.Arguments); + } + // Ensure the current window is active + Window.Current.Activate(); + } + + /// <summary> + /// Invoked when Navigation to a certain page fails + /// </summary> + /// <param name="sender">The Frame which failed navigation</param> + /// <param name="e">Details about the navigation failure</param> + void OnNavigationFailed(object sender, NavigationFailedEventArgs e) + { + throw new Exception("Failed to load Page " + e.SourcePageType.FullName); + } + + /// <summary> + /// Invoked when application execution is being suspended. Application state is saved + /// without knowing whether the application will be terminated or resumed with the contents + /// of memory still intact. + /// </summary> + /// <param name="sender">The source of the suspend request.</param> + /// <param name="e">Details about the suspend request.</param> + private void OnSuspending(object sender, SuspendingEventArgs e) + { + var deferral = e.SuspendingOperation.GetDeferral(); + //TODO: Save application state and stop any background activity + deferral.Complete(); + } + } +} |