Wino-Mail/Wino.Mail.WinUI/ShellWindow.xaml.cs

using System;
using CommunityToolkit.Mvvm.Messaging;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.UI.Xaml;
using Microsoft.UI.Xaml.Controls;
using Wino.Core.Domain.Interfaces;
using Wino.Core.WinUI;
using Wino.Core.WinUI.Interfaces;
using Wino.Messaging.Client.Mails;
using Wino.Views;
using WinUIEx;

namespace Wino.Mail.WinUI;

public sealed partial class ShellWindow : WindowEx, IWinoShellWindow
{
    public IStatePersistanceService StatePersistanceService { get; } = WinoApplication.Current.Services.GetService<IStatePersistanceService>() ?? throw new Exception("StatePersistanceService not registered in DI container.");
    public IPreferencesService PreferencesService { get; } = WinoApplication.Current.Services.GetService<IPreferencesService>() ?? throw new Exception("PreferencesService not registered in DI container.");

    public ShellWindow()
    {
        InitializeComponent();

        MinWidth = 420;
        MinHeight = 420;
        ConfigureTitleBar();
    }

    private void ConfigureTitleBar()
    {
        AppWindow.TitleBar.ExtendsContentIntoTitleBar = true;
    }

    public void HandleAppActivation(LaunchActivatedEventArgs args)
    {
        // TODO: Handle protocol activations.

        MainShellFrame.Navigate(typeof(AppShell));
    }

    public Microsoft.UI.Xaml.Controls.TitleBar GetTitleBar() => ShellTitleBar;

    public Frame GetMainFrame() => MainShellFrame;

    public FrameworkElement GetRootContent() => Content as Grid ?? throw new Exception("RootContent is not a Grid or empty.");

    private void BackButtonClicked(Microsoft.UI.Xaml.Controls.TitleBar sender, object args)
    {
        WeakReferenceMessenger.Default.Send(new ClearMailSelectionsRequested());
        WeakReferenceMessenger.Default.Send(new DisposeRenderingFrameRequested());
    }

    private void MainFrameNavigated(object sender, Microsoft.UI.Xaml.Navigation.NavigationEventArgs e) => ShellTitleBar.Content = (e.Content as BasePage).ShellContent;

    private void PaneButtonClicked(Microsoft.UI.Xaml.Controls.TitleBar sender, object args)
    {
        PreferencesService.IsNavigationPaneOpened = !PreferencesService.IsNavigationPaneOpened;
    }
}