open-maui/OpenMaui
2
0
Fork 0
Code Issues Releases 1

Update with recovered code from VM binaries (Jan 1)

Browse Source 
Recovered from decompiled OpenMaui.Controls.Linux.dll:
- SkiaShell.cs: FlyoutHeader, FlyoutFooter, scroll support (918 -> 1325 lines)
- X11Window.cs: Cursor support (XCreateFontCursor, XDefineCursor)
- All handlers with dark mode support
- All services with latest implementations
- LinuxApplication with theme change handling
This commit is contained in:
David H. Friedel Jr.
2026-01-01 06:22:48 -05:00
parent 1e84c6168a
commit 1f096c38dc
254 changed files with 49359 additions and 38457 deletions
Download Patch File Download Diff File Expand all files Collapse all files

55
Hosting/GtkMauiContext.cs Normal file
View File

@@ -0,0 +1,55 @@
using System;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Maui.Animations;
using Microsoft.Maui.Dispatching;
namespace Microsoft.Maui.Platform.Linux.Hosting;
public class GtkMauiContext : IMauiContext
{
private readonly IServiceProvider _services;
private readonly IMauiHandlersFactory _handlers;
private IAnimationManager? _animationManager;
private IDispatcher? _dispatcher;
public IServiceProvider Services => _services;
public IMauiHandlersFactory Handlers => _handlers;
public IAnimationManager AnimationManager
{
get
{
if (_animationManager == null)
{
_animationManager = (IAnimationManager?)(((object)_services.GetService<IAnimationManager>()) ?? ((object)new LinuxAnimationManager((ITicker)(object)new LinuxTicker())));
}
return _animationManager;
}
}
public IDispatcher Dispatcher
{
get
{
if (_dispatcher == null)
{
_dispatcher = (IDispatcher?)(((object)_services.GetService<IDispatcher>()) ?? ((object)new LinuxDispatcher()));
}
return _dispatcher;
}
}
public GtkMauiContext(IServiceProvider services)
{
_services = services ?? throw new ArgumentNullException("services");
_handlers = services.GetRequiredService<IMauiHandlersFactory>();
if (LinuxApplication.Current == null)
{
new LinuxApplication();
}
}
}

12
Hosting/HandlerMappingExtensions.cs Normal file
View File

@@ -0,0 +1,12 @@
using Microsoft.Maui.Hosting;
namespace Microsoft.Maui.Platform.Linux.Hosting;
public static class HandlerMappingExtensions
{
public static IMauiHandlersCollection AddHandler<TView, THandler>(this IMauiHandlersCollection handlers) where TView : class where THandler : class
{
MauiHandlersCollectionExtensions.AddHandler(handlers, typeof(TView), typeof(THandler));
return handlers;
}
}

54
Hosting/LinuxAnimationManager.cs Normal file
View File

@@ -0,0 +1,54 @@
using System.Collections.Generic;
using Microsoft.Maui.Animations;
namespace Microsoft.Maui.Platform.Linux.Hosting;
internal class LinuxAnimationManager : IAnimationManager
{
private readonly List<Animation> _animations = new List<Animation>();
private readonly ITicker _ticker;
public double SpeedModifier { get; set; } = 1.0;
public bool AutoStartTicker { get; set; } = true;
public ITicker Ticker => _ticker;
public LinuxAnimationManager(ITicker ticker)
{
_ticker = ticker;
_ticker.Fire = OnTickerFire;
}
public void Add(Animation animation)
{
_animations.Add(animation);
if (AutoStartTicker && !_ticker.IsRunning)
{
_ticker.Start();
}
}
public void Remove(Animation animation)
{
_animations.Remove(animation);
if (_animations.Count == 0 && _ticker.IsRunning)
{
_ticker.Stop();
}
}
private void OnTickerFire()
{
Animation[] array = _animations.ToArray();
foreach (Animation val in array)
{
val.Tick(0.016 * SpeedModifier);
if (val.HasFinished)
{
Remove(val);
}
}
}
}

75
Hosting/LinuxDispatcher.cs Normal file
View File

@@ -0,0 +1,75 @@
using System;
using System.Collections.Generic;
using System.Threading.Tasks;
using Microsoft.Maui.Dispatching;
namespace Microsoft.Maui.Platform.Linux.Hosting;
internal class LinuxDispatcher : IDispatcher
{
private readonly object _lock = new object();
private readonly Queue<Action> _queue = new Queue<Action>();
private bool _isDispatching;
public bool IsDispatchRequired => false;
public IDispatcherTimer CreateTimer()
{
return (IDispatcherTimer)(object)new LinuxDispatcherTimer();
}
public bool Dispatch(Action action)
{
if (action == null)
{
return false;
}
lock (_lock)
{
_queue.Enqueue(action);
}
ProcessQueue();
return true;
}
public bool DispatchDelayed(TimeSpan delay, Action action)
{
if (action == null)
{
return false;
}
Task.Delay(delay).ContinueWith((Task _) => Dispatch(action));
return true;
}
private void ProcessQueue()
{
if (_isDispatching)
{
return;
}
_isDispatching = true;
try
{
while (true)
{
Action action;
lock (_lock)
{
if (_queue.Count == 0)
{
break;
}
action = _queue.Dequeue();
}
action?.Invoke();
}
}
finally
{
_isDispatching = false;
}
}
}

69
Hosting/LinuxDispatcherTimer.cs Normal file
View File

@@ -0,0 +1,69 @@
using System;
using System.Threading;
using Microsoft.Maui.Dispatching;
namespace Microsoft.Maui.Platform.Linux.Hosting;
internal class LinuxDispatcherTimer : IDispatcherTimer
{
private Timer? _timer;
private TimeSpan _interval = TimeSpan.FromMilliseconds(16L, 0L);
private bool _isRunning;
private bool _isRepeating = true;
public TimeSpan Interval
{
get
{
return _interval;
}
set
{
_interval = value;
}
}
public bool IsRunning => _isRunning;
public bool IsRepeating
{
get
{
return _isRepeating;
}
set
{
_isRepeating = value;
}
}
public event EventHandler? Tick;
public void Start()
{
if (!_isRunning)
{
_isRunning = true;
_timer = new Timer(OnTimerCallback, null, _interval, _isRepeating ? _interval : Timeout.InfiniteTimeSpan);
}
}
public void Stop()
{
_isRunning = false;
_timer?.Dispose();
_timer = null;
}
private void OnTimerCallback(object? state)
{
this.Tick?.Invoke(this, EventArgs.Empty);
if (!_isRepeating)
{
Stop();
}
}
}

229
Hosting/LinuxMauiAppBuilderExtensions.cs
View File

@@ -1,156 +1,105 @@
// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using System;
using System.ComponentModel;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.DependencyInjection.Extensions;
using Microsoft.Maui.ApplicationModel;
using Microsoft.Maui.ApplicationModel.Communication;
using Microsoft.Maui.ApplicationModel.DataTransfer;
using Microsoft.Maui.Hosting;
using Microsoft.Maui.Platform.Linux.Services;
using Microsoft.Maui.Platform.Linux.Converters;
using Microsoft.Maui.Storage;
using Microsoft.Maui.Platform.Linux.Handlers;
using Microsoft.Maui.Controls;
using Microsoft.Maui.Devices;
using Microsoft.Maui.Dispatching;
using Microsoft.Maui.Hosting;
using Microsoft.Maui.Networking;
using Microsoft.Maui.Platform.Linux.Converters;
using Microsoft.Maui.Platform.Linux.Dispatching;
using Microsoft.Maui.Platform.Linux.Handlers;
using Microsoft.Maui.Platform.Linux.Services;
using Microsoft.Maui.Storage;
using SkiaSharp;
namespace Microsoft.Maui.Platform.Linux.Hosting;
/// <summary>
/// Extension methods for configuring MAUI applications for Linux.
/// </summary>
public static class LinuxMauiAppBuilderExtensions
{
/// <summary>
/// Configures the MAUI application to run on Linux.
/// </summary>
public static MauiAppBuilder UseLinux(this MauiAppBuilder builder)
{
return builder.UseLinux(configure: null);
}
public static MauiAppBuilder UseLinux(this MauiAppBuilder builder)
{
return builder.UseLinux(null);
}
/// <summary>
/// Configures the MAUI application to run on Linux with options.
/// </summary>
public static MauiAppBuilder UseLinux(this MauiAppBuilder builder, Action<LinuxApplicationOptions>? configure)
{
var options = new LinuxApplicationOptions();
configure?.Invoke(options);
public static MauiAppBuilder UseLinux(this MauiAppBuilder builder, Action<LinuxApplicationOptions>? configure)
{
LinuxApplicationOptions linuxApplicationOptions = new LinuxApplicationOptions();
configure?.Invoke(linuxApplicationOptions);
builder.Services.TryAddSingleton<IDispatcherProvider>((IDispatcherProvider)(object)LinuxDispatcherProvider.Instance);
builder.Services.TryAddSingleton<IDeviceInfo>((IDeviceInfo)(object)DeviceInfoService.Instance);
builder.Services.TryAddSingleton<IDeviceDisplay>((IDeviceDisplay)(object)DeviceDisplayService.Instance);
builder.Services.TryAddSingleton<IAppInfo>((IAppInfo)(object)AppInfoService.Instance);
builder.Services.TryAddSingleton<IConnectivity>((IConnectivity)(object)ConnectivityService.Instance);
builder.Services.TryAddSingleton<ILauncher, LauncherService>();
builder.Services.TryAddSingleton<IPreferences, PreferencesService>();
builder.Services.TryAddSingleton<IFilePicker, FilePickerService>();
builder.Services.TryAddSingleton<IClipboard, ClipboardService>();
builder.Services.TryAddSingleton<IShare, ShareService>();
builder.Services.TryAddSingleton<ISecureStorage, SecureStorageService>();
builder.Services.TryAddSingleton<IVersionTracking, VersionTrackingService>();
builder.Services.TryAddSingleton<IAppActions, AppActionsService>();
builder.Services.TryAddSingleton<IBrowser, BrowserService>();
builder.Services.TryAddSingleton<IEmail, EmailService>();
builder.Services.TryAddSingleton((IServiceProvider _) => GtkHostService.Instance);
RegisterTypeConverters();
HandlerMauiAppBuilderExtensions.ConfigureMauiHandlers(builder, (Action<IMauiHandlersCollection>)delegate(IMauiHandlersCollection handlers)
{
handlers.AddHandler<IApplication, ApplicationHandler>();
handlers.AddHandler<BoxView, BoxViewHandler>();
handlers.AddHandler<Button, TextButtonHandler>();
handlers.AddHandler<Label, LabelHandler>();
handlers.AddHandler<Entry, EntryHandler>();
handlers.AddHandler<Editor, EditorHandler>();
handlers.AddHandler<CheckBox, CheckBoxHandler>();
handlers.AddHandler<Switch, SwitchHandler>();
handlers.AddHandler<Slider, SliderHandler>();
handlers.AddHandler<Stepper, StepperHandler>();
handlers.AddHandler<RadioButton, RadioButtonHandler>();
handlers.AddHandler<Grid, GridHandler>();
handlers.AddHandler<StackLayout, StackLayoutHandler>();
handlers.AddHandler<VerticalStackLayout, StackLayoutHandler>();
handlers.AddHandler<HorizontalStackLayout, StackLayoutHandler>();
handlers.AddHandler<AbsoluteLayout, LayoutHandler>();
handlers.AddHandler<FlexLayout, LayoutHandler>();
handlers.AddHandler<ScrollView, ScrollViewHandler>();
handlers.AddHandler<Frame, FrameHandler>();
handlers.AddHandler<Border, BorderHandler>();
handlers.AddHandler<ContentView, BorderHandler>();
handlers.AddHandler<Picker, PickerHandler>();
handlers.AddHandler<DatePicker, DatePickerHandler>();
handlers.AddHandler<TimePicker, TimePickerHandler>();
handlers.AddHandler<SearchBar, SearchBarHandler>();
handlers.AddHandler<ProgressBar, ProgressBarHandler>();
handlers.AddHandler<ActivityIndicator, ActivityIndicatorHandler>();
handlers.AddHandler<Image, ImageHandler>();
handlers.AddHandler<ImageButton, ImageButtonHandler>();
handlers.AddHandler<GraphicsView, GraphicsViewHandler>();
handlers.AddHandler<WebView, GtkWebViewHandler>();
handlers.AddHandler<CollectionView, CollectionViewHandler>();
handlers.AddHandler<ListView, CollectionViewHandler>();
handlers.AddHandler<Page, PageHandler>();
handlers.AddHandler<ContentPage, ContentPageHandler>();
handlers.AddHandler<NavigationPage, NavigationPageHandler>();
handlers.AddHandler<Shell, ShellHandler>();
handlers.AddHandler<FlyoutPage, FlyoutPageHandler>();
handlers.AddHandler<TabbedPage, TabbedPageHandler>();
handlers.AddHandler<Application, ApplicationHandler>();
handlers.AddHandler<Window, WindowHandler>();
});
builder.Services.AddSingleton(linuxApplicationOptions);
return builder;
}
// Register platform services
builder.Services.TryAddSingleton<ILauncher, LauncherService>();
builder.Services.TryAddSingleton<IPreferences, PreferencesService>();
builder.Services.TryAddSingleton<IFilePicker, FilePickerService>();
builder.Services.TryAddSingleton<IClipboard, ClipboardService>();
builder.Services.TryAddSingleton<IShare, ShareService>();
builder.Services.TryAddSingleton<ISecureStorage, SecureStorageService>();
builder.Services.TryAddSingleton<IVersionTracking, VersionTrackingService>();
builder.Services.TryAddSingleton<IAppActions, AppActionsService>();
builder.Services.TryAddSingleton<IBrowser, BrowserService>();
builder.Services.TryAddSingleton<IEmail, EmailService>();
// Register type converters for XAML support
RegisterTypeConverters();
// Register Linux-specific handlers
builder.ConfigureMauiHandlers(handlers =>
{
// Application handler
handlers.AddHandler<IApplication, ApplicationHandler>();
// Core controls
handlers.AddHandler<BoxView, BoxViewHandler>();
handlers.AddHandler<Button, TextButtonHandler>();
handlers.AddHandler<Label, LabelHandler>();
handlers.AddHandler<Entry, EntryHandler>();
handlers.AddHandler<Editor, EditorHandler>();
handlers.AddHandler<CheckBox, CheckBoxHandler>();
handlers.AddHandler<Switch, SwitchHandler>();
handlers.AddHandler<Slider, SliderHandler>();
handlers.AddHandler<Stepper, StepperHandler>();
handlers.AddHandler<RadioButton, RadioButtonHandler>();
// Layout controls
handlers.AddHandler<Grid, GridHandler>();
handlers.AddHandler<StackLayout, StackLayoutHandler>();
handlers.AddHandler<VerticalStackLayout, StackLayoutHandler>();
handlers.AddHandler<HorizontalStackLayout, StackLayoutHandler>();
handlers.AddHandler<AbsoluteLayout, LayoutHandler>();
handlers.AddHandler<FlexLayout, LayoutHandler>();
handlers.AddHandler<ScrollView, ScrollViewHandler>();
handlers.AddHandler<Frame, FrameHandler>();
handlers.AddHandler<Border, BorderHandler>();
handlers.AddHandler<ContentView, BorderHandler>();
// Picker controls
handlers.AddHandler<Picker, PickerHandler>();
handlers.AddHandler<DatePicker, DatePickerHandler>();
handlers.AddHandler<TimePicker, TimePickerHandler>();
handlers.AddHandler<SearchBar, SearchBarHandler>();
// Progress & Activity
handlers.AddHandler<ProgressBar, ProgressBarHandler>();
handlers.AddHandler<ActivityIndicator, ActivityIndicatorHandler>();
// Image & Graphics
handlers.AddHandler<Image, ImageHandler>();
handlers.AddHandler<ImageButton, ImageButtonHandler>();
handlers.AddHandler<GraphicsView, GraphicsViewHandler>();
// Web
handlers.AddHandler<WebView, WebViewHandler>();
// Collection Views
handlers.AddHandler<CollectionView, CollectionViewHandler>();
handlers.AddHandler<ListView, CollectionViewHandler>();
// Pages & Navigation
handlers.AddHandler<Page, PageHandler>();
handlers.AddHandler<ContentPage, ContentPageHandler>();
handlers.AddHandler<NavigationPage, NavigationPageHandler>();
handlers.AddHandler<Shell, ShellHandler>();
handlers.AddHandler<FlyoutPage, FlyoutPageHandler>();
handlers.AddHandler<TabbedPage, TabbedPageHandler>();
// Application & Window
handlers.AddHandler<Application, ApplicationHandler>();
handlers.AddHandler<Microsoft.Maui.Controls.Window, WindowHandler>();
});
// Store options for later use
builder.Services.AddSingleton(options);
return builder;
}
/// <summary>
/// Registers custom type converters for Linux platform.
/// </summary>
private static void RegisterTypeConverters()
{
// Register SkiaSharp type converters for XAML styling support
TypeDescriptor.AddAttributes(typeof(SKColor), new TypeConverterAttribute(typeof(SKColorTypeConverter)));
TypeDescriptor.AddAttributes(typeof(SKRect), new TypeConverterAttribute(typeof(SKRectTypeConverter)));
TypeDescriptor.AddAttributes(typeof(SKSize), new TypeConverterAttribute(typeof(SKSizeTypeConverter)));
TypeDescriptor.AddAttributes(typeof(SKPoint), new TypeConverterAttribute(typeof(SKPointTypeConverter)));
}
}
/// <summary>
/// Handler registration extensions.
/// </summary>
public static class HandlerMappingExtensions
{
/// <summary>
/// Adds a handler for the specified view type.
/// </summary>
public static IMauiHandlersCollection AddHandler<TView, THandler>(
this IMauiHandlersCollection handlers)
where TView : class
where THandler : class
{
handlers.AddHandler(typeof(TView), typeof(THandler));
return handlers;
}
private static void RegisterTypeConverters()
{
TypeDescriptor.AddAttributes(typeof(SKColor), new TypeConverterAttribute(typeof(SKColorTypeConverter)));
TypeDescriptor.AddAttributes(typeof(SKRect), new TypeConverterAttribute(typeof(SKRectTypeConverter)));
TypeDescriptor.AddAttributes(typeof(SKSize), new TypeConverterAttribute(typeof(SKSizeTypeConverter)));
TypeDescriptor.AddAttributes(typeof(SKPoint), new TypeConverterAttribute(typeof(SKPointTypeConverter)));
}
}

325
Hosting/LinuxMauiContext.cs
View File

@@ -1,299 +1,56 @@
// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using System;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Maui.Animations;
using Microsoft.Maui.Dispatching;
using Microsoft.Maui.Platform;
using SkiaSharp;
namespace Microsoft.Maui.Platform.Linux.Hosting;
/// <summary>
/// Linux-specific implementation of IMauiContext.
/// Provides the infrastructure for creating handlers and accessing platform services.
/// </summary>
public class LinuxMauiContext : IMauiContext
{
private readonly IServiceProvider _services;
private readonly IMauiHandlersFactory _handlers;
private readonly LinuxApplication _linuxApp;
private IAnimationManager? _animationManager;
private IDispatcher? _dispatcher;
private readonly IServiceProvider _services;
public LinuxMauiContext(IServiceProvider services, LinuxApplication linuxApp)
{
_services = services ?? throw new ArgumentNullException(nameof(services));
_linuxApp = linuxApp ?? throw new ArgumentNullException(nameof(linuxApp));
_handlers = services.GetRequiredService<IMauiHandlersFactory>();
}
private readonly IMauiHandlersFactory _handlers;
/// <inheritdoc />
public IServiceProvider Services => _services;
private readonly LinuxApplication _linuxApp;
/// <inheritdoc />
public IMauiHandlersFactory Handlers => _handlers;
private IAnimationManager? _animationManager;
/// <summary>
/// Gets the Linux application instance.
/// </summary>
public LinuxApplication LinuxApp => _linuxApp;
private IDispatcher? _dispatcher;
/// <summary>
/// Gets the animation manager.
/// </summary>
public IAnimationManager AnimationManager
{
get
{
_animationManager ??= _services.GetService<IAnimationManager>()
?? new LinuxAnimationManager(new LinuxTicker());
return _animationManager;
}
}
public IServiceProvider Services => _services;
/// <summary>
/// Gets the dispatcher for UI thread operations.
/// </summary>
public IDispatcher Dispatcher
{
get
{
_dispatcher ??= _services.GetService<IDispatcher>()
?? new LinuxDispatcher();
return _dispatcher;
}
}
}
/// <summary>
/// Scoped MAUI context for a specific window or view hierarchy.
/// </summary>
public class ScopedLinuxMauiContext : IMauiContext
{
private readonly LinuxMauiContext _parent;
public ScopedLinuxMauiContext(LinuxMauiContext parent)
{
_parent = parent ?? throw new ArgumentNullException(nameof(parent));
}
public IServiceProvider Services => _parent.Services;
public IMauiHandlersFactory Handlers => _parent.Handlers;
}
/// <summary>
/// Linux dispatcher for UI thread operations.
/// </summary>
internal class LinuxDispatcher : IDispatcher
{
private readonly object _lock = new();
private readonly Queue<Action> _queue = new();
private bool _isDispatching;
public bool IsDispatchRequired => false; // Linux uses single-threaded event loop
public IDispatcherTimer CreateTimer()
{
return new LinuxDispatcherTimer();
}
public bool Dispatch(Action action)
{
if (action == null)
return false;
lock (_lock)
{
_queue.Enqueue(action);
}
ProcessQueue();
return true;
}
public bool DispatchDelayed(TimeSpan delay, Action action)
{
if (action == null)
return false;
Task.Delay(delay).ContinueWith(_ => Dispatch(action));
return true;
}
private void ProcessQueue()
{
if (_isDispatching)
return;
_isDispatching = true;
try
{
while (true)
{
Action? action;
lock (_lock)
{
if (_queue.Count == 0)
break;
action = _queue.Dequeue();
}
action?.Invoke();
}
}
finally
{
_isDispatching = false;
}
}
}
/// <summary>
/// Linux dispatcher timer implementation.
/// </summary>
internal class LinuxDispatcherTimer : IDispatcherTimer
{
private Timer? _timer;
private TimeSpan _interval = TimeSpan.FromMilliseconds(16); // ~60fps default
private bool _isRunning;
private bool _isRepeating = true;
public TimeSpan Interval
{
get => _interval;
set => _interval = value;
}
public bool IsRunning => _isRunning;
public bool IsRepeating
{
get => _isRepeating;
set => _isRepeating = value;
}
public event EventHandler? Tick;
public void Start()
{
if (_isRunning)
return;
_isRunning = true;
_timer = new Timer(OnTimerCallback, null, _interval, _isRepeating ? _interval : Timeout.InfiniteTimeSpan);
}
public void Stop()
{
_isRunning = false;
_timer?.Dispose();
_timer = null;
}
private void OnTimerCallback(object? state)
{
Tick?.Invoke(this, EventArgs.Empty);
if (!_isRepeating)
{
Stop();
}
}
}
/// <summary>
/// Linux animation manager.
/// </summary>
internal class LinuxAnimationManager : IAnimationManager
{
private readonly List<Microsoft.Maui.Animations.Animation> _animations = new();
private readonly ITicker _ticker;
public LinuxAnimationManager(ITicker ticker)
{
_ticker = ticker;
_ticker.Fire = OnTickerFire;
}
public double SpeedModifier { get; set; } = 1.0;
public bool AutoStartTicker { get; set; } = true;
public ITicker Ticker => _ticker;
public void Add(Microsoft.Maui.Animations.Animation animation)
{
_animations.Add(animation);
if (AutoStartTicker && !_ticker.IsRunning)
{
_ticker.Start();
}
}
public void Remove(Microsoft.Maui.Animations.Animation animation)
{
_animations.Remove(animation);
if (_animations.Count == 0 && _ticker.IsRunning)
{
_ticker.Stop();
}
}
private void OnTickerFire()
{
var animations = _animations.ToArray();
foreach (var animation in animations)
{
animation.Tick(16.0 / 1000.0 * SpeedModifier); // ~60fps
if (animation.HasFinished)
{
Remove(animation);
}
}
}
}
/// <summary>
/// Linux ticker for animation timing.
/// </summary>
internal class LinuxTicker : ITicker
{
private Timer? _timer;
private bool _isRunning;
private int _maxFps = 60;
public bool IsRunning => _isRunning;
public bool SystemEnabled => true;
public int MaxFps
{
get => _maxFps;
set => _maxFps = Math.Max(1, Math.Min(120, value));
}
public Action? Fire { get; set; }
public void Start()
{
if (_isRunning)
return;
_isRunning = true;
var interval = TimeSpan.FromMilliseconds(1000.0 / _maxFps);
_timer = new Timer(OnTimerCallback, null, TimeSpan.Zero, interval);
}
public void Stop()
{
_isRunning = false;
_timer?.Dispose();
_timer = null;
}
private void OnTimerCallback(object? state)
{
Fire?.Invoke();
}
public IMauiHandlersFactory Handlers => _handlers;
public LinuxApplication LinuxApp => _linuxApp;
public IAnimationManager AnimationManager
{
get
{
if (_animationManager == null)
{
_animationManager = (IAnimationManager?)(((object)_services.GetService<IAnimationManager>()) ?? ((object)new LinuxAnimationManager((ITicker)(object)new LinuxTicker())));
}
return _animationManager;
}
}
public IDispatcher Dispatcher
{
get
{
if (_dispatcher == null)
{
_dispatcher = (IDispatcher?)(((object)_services.GetService<IDispatcher>()) ?? ((object)new LinuxDispatcher()));
}
return _dispatcher;
}
}
public LinuxMauiContext(IServiceProvider services, LinuxApplication linuxApp)
{
_services = services ?? throw new ArgumentNullException("services");
_linuxApp = linuxApp ?? throw new ArgumentNullException("linuxApp");
_handlers = services.GetRequiredService<IMauiHandlersFactory>();
}
}

1373
Hosting/LinuxProgramHost.cs
View File

File diff suppressed because it is too large Load Diff

54
Hosting/LinuxTicker.cs Normal file
View File

@@ -0,0 +1,54 @@
using System;
using System.Threading;
using Microsoft.Maui.Animations;
namespace Microsoft.Maui.Platform.Linux.Hosting;
internal class LinuxTicker : ITicker
{
private Timer? _timer;
private bool _isRunning;
private int _maxFps = 60;
public bool IsRunning => _isRunning;
public bool SystemEnabled => true;
public int MaxFps
{
get
{
return _maxFps;
}
set
{
_maxFps = Math.Max(1, Math.Min(120, value));
}
}
public Action? Fire { get; set; }
public void Start()
{
if (!_isRunning)
{
_isRunning = true;
TimeSpan period = TimeSpan.FromMilliseconds(1000.0 / (double)_maxFps);
_timer = new Timer(OnTimerCallback, null, TimeSpan.Zero, period);
}
}
public void Stop()
{
_isRunning = false;
_timer?.Dispose();
_timer = null;
}
private void OnTimerCallback(object? state)
{
Fire?.Invoke();
}
}

921
Hosting/LinuxViewRenderer.cs
View File

@@ -1,497 +1,470 @@
// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using System;
using System.Reflection;
using System.Runtime.CompilerServices;
using Microsoft.Maui.Controls;
using Microsoft.Maui.Platform;
using Microsoft.Maui.Graphics;
using SkiaSharp;
namespace Microsoft.Maui.Platform.Linux.Hosting;
/// <summary>
/// Renders MAUI views to Skia platform views.
/// Handles the conversion of the view hierarchy.
/// </summary>
public class LinuxViewRenderer
{
private readonly IMauiContext _mauiContext;
private readonly IMauiContext _mauiContext;
/// <summary>
/// Static reference to the current MAUI Shell for navigation support.
/// Used when Shell.Current is not available through normal lifecycle.
/// </summary>
public static Shell? CurrentMauiShell { get; private set; }
public static Shell? CurrentMauiShell { get; private set; }
/// <summary>
/// Static reference to the current SkiaShell for navigation updates.
/// </summary>
public static SkiaShell? CurrentSkiaShell { get; private set; }
public static SkiaShell? CurrentSkiaShell { get; private set; }
/// <summary>
/// Navigate to a route using the SkiaShell directly.
/// Use this instead of Shell.Current.GoToAsync on Linux.
/// </summary>
/// <param name="route">The route to navigate to (e.g., "Buttons" or "//Buttons")</param>
/// <returns>True if navigation succeeded</returns>
public static bool NavigateToRoute(string route)
{
if (CurrentSkiaShell == null)
{
Console.WriteLine($"[NavigateToRoute] CurrentSkiaShell is null");
return false;
}
public static LinuxViewRenderer? CurrentRenderer { get; set; }
// Clean up the route - remove leading // or /
var cleanRoute = route.TrimStart('/');
Console.WriteLine($"[NavigateToRoute] Navigating to: {cleanRoute}");
public static bool NavigateToRoute(string route)
{
if (CurrentSkiaShell == null)
{
Console.WriteLine("[NavigateToRoute] CurrentSkiaShell is null");
return false;
}
string text = route.TrimStart('/');
Console.WriteLine("[NavigateToRoute] Navigating to: " + text);
for (int i = 0; i < CurrentSkiaShell.Sections.Count; i++)
{
ShellSection shellSection = CurrentSkiaShell.Sections[i];
if (shellSection.Route.Equals(text, StringComparison.OrdinalIgnoreCase) || shellSection.Title.Equals(text, StringComparison.OrdinalIgnoreCase))
{
Console.WriteLine($"[NavigateToRoute] Found section {i}: {shellSection.Title}");
CurrentSkiaShell.NavigateToSection(i);
return true;
}
}
Console.WriteLine("[NavigateToRoute] Route not found: " + text);
return false;
}
for (int i = 0; i < CurrentSkiaShell.Sections.Count; i++)
{
var section = CurrentSkiaShell.Sections[i];
if (section.Route.Equals(cleanRoute, StringComparison.OrdinalIgnoreCase) ||
section.Title.Equals(cleanRoute, StringComparison.OrdinalIgnoreCase))
{
Console.WriteLine($"[NavigateToRoute] Found section {i}: {section.Title}");
CurrentSkiaShell.NavigateToSection(i);
return true;
}
}
public static bool PushPage(Page page)
{
Console.WriteLine("[PushPage] Pushing page: " + ((object)page).GetType().Name);
if (CurrentSkiaShell == null)
{
Console.WriteLine("[PushPage] CurrentSkiaShell is null");
return false;
}
if (CurrentRenderer == null)
{
Console.WriteLine("[PushPage] CurrentRenderer is null");
return false;
}
try
{
SkiaView skiaView = null;
ContentPage val = (ContentPage)(object)((page is ContentPage) ? page : null);
if (val != null && val.Content != null)
{
skiaView = CurrentRenderer.RenderView((IView)(object)val.Content);
}
if (skiaView == null)
{
Console.WriteLine("[PushPage] Failed to render page content");
return false;
}
if (!(skiaView is SkiaScrollView))
{
skiaView = new SkiaScrollView
{
Content = skiaView
};
}
CurrentSkiaShell.PushAsync(skiaView, page.Title ?? "Detail");
Console.WriteLine("[PushPage] Successfully pushed page");
return true;
}
catch (Exception ex)
{
Console.WriteLine("[PushPage] Error: " + ex.Message);
return false;
}
}
Console.WriteLine($"[NavigateToRoute] Route not found: {cleanRoute}");
return false;
}
public static bool PopPage()
{
Console.WriteLine("[PopPage] Popping page");
if (CurrentSkiaShell == null)
{
Console.WriteLine("[PopPage] CurrentSkiaShell is null");
return false;
}
return CurrentSkiaShell.PopAsync();
}
/// <summary>
/// Current renderer instance for page rendering.
/// </summary>
public static LinuxViewRenderer? CurrentRenderer { get; set; }
public LinuxViewRenderer(IMauiContext mauiContext)
{
_mauiContext = mauiContext ?? throw new ArgumentNullException("mauiContext");
CurrentRenderer = this;
}
/// <summary>
/// Pushes a page onto the navigation stack.
/// </summary>
/// <param name="page">The page to push</param>
/// <returns>True if successful</returns>
public static bool PushPage(Page page)
{
Console.WriteLine($"[PushPage] Pushing page: {page.GetType().Name}");
public SkiaView? RenderPage(Page page)
{
if (page == null)
{
return null;
}
Shell val = (Shell)(object)((page is Shell) ? page : null);
if (val != null)
{
return RenderShell(val);
}
IViewHandler handler = ((VisualElement)page).Handler;
if (handler != null)
{
((IElementHandler)handler).DisconnectHandler();
}
if (((IElement)(object)page).ToHandler(_mauiContext).PlatformView is SkiaView skiaView)
{
ContentPage val2 = (ContentPage)(object)((page is ContentPage) ? page : null);
if (val2 != null && val2.Content != null)
{
SkiaView skiaView2 = RenderView((IView)(object)val2.Content);
if (skiaView is SkiaPage skiaPage && skiaView2 != null)
{
skiaPage.Content = skiaView2;
}
}
return skiaView;
}
return null;
}
if (CurrentSkiaShell == null)
{
Console.WriteLine($"[PushPage] CurrentSkiaShell is null");
return false;
}
private SkiaShell RenderShell(Shell shell)
{
//IL_0027: Unknown result type (might be due to invalid IL or missing references)
//IL_002c: Unknown result type (might be due to invalid IL or missing references)
//IL_002e: Unknown result type (might be due to invalid IL or missing references)
//IL_0041: Expected I4, but got Unknown
CurrentMauiShell = shell;
SkiaShell skiaShell = new SkiaShell();
skiaShell.Title = ((Page)shell).Title ?? "App";
SkiaShell skiaShell2 = skiaShell;
FlyoutBehavior flyoutBehavior = shell.FlyoutBehavior;
skiaShell2.FlyoutBehavior = (int)flyoutBehavior switch
{
1 => ShellFlyoutBehavior.Flyout,
2 => ShellFlyoutBehavior.Locked,
0 => ShellFlyoutBehavior.Disabled,
_ => ShellFlyoutBehavior.Flyout,
};
skiaShell.MauiShell = shell;
SkiaShell skiaShell3 = skiaShell;
ApplyShellColors(skiaShell3, shell);
object flyoutHeader = shell.FlyoutHeader;
View val = (View)((flyoutHeader is View) ? flyoutHeader : null);
if (val != null)
{
SkiaView skiaView = RenderView((IView)(object)val);
if (skiaView != null)
{
skiaShell3.FlyoutHeaderView = skiaView;
skiaShell3.FlyoutHeaderHeight = (float)((((VisualElement)val).HeightRequest > 0.0) ? ((VisualElement)val).HeightRequest : 140.0);
}
}
Version version = Assembly.GetEntryAssembly()?.GetName().Version;
skiaShell3.FlyoutFooterText = $"Version {version?.Major ?? 1}.{version?.Minor ?? 0}.{version?.Build ?? 0}";
foreach (ShellItem item in shell.Items)
{
ProcessShellItem(skiaShell3, item);
}
CurrentSkiaShell = skiaShell3;
skiaShell3.ContentRenderer = CreateShellContentPage;
skiaShell3.ColorRefresher = ApplyShellColors;
shell.Navigated += OnShellNavigated;
shell.Navigating += delegate(object? s, ShellNavigatingEventArgs e)
{
Console.WriteLine($"[Navigation] Navigating: {e.Target}");
};
Console.WriteLine($"[Navigation] Shell navigation events subscribed. Sections: {skiaShell3.Sections.Count}");
for (int num = 0; num < skiaShell3.Sections.Count; num++)
{
Console.WriteLine($"[Navigation] Section {num}: Route='{skiaShell3.Sections[num].Route}', Title='{skiaShell3.Sections[num].Title}'");
}
return skiaShell3;
}
if (CurrentRenderer == null)
{
Console.WriteLine($"[PushPage] CurrentRenderer is null");
return false;
}
private static void ApplyShellColors(SkiaShell skiaShell, Shell shell)
{
//IL_000c: Unknown result type (might be due to invalid IL or missing references)
//IL_0012: Invalid comparison between Unknown and I4
//IL_00e2: Unknown result type (might be due to invalid IL or missing references)
//IL_00d5: Unknown result type (might be due to invalid IL or missing references)
//IL_0087: Unknown result type (might be due to invalid IL or missing references)
//IL_00aa: Unknown result type (might be due to invalid IL or missing references)
//IL_0105: Unknown result type (might be due to invalid IL or missing references)
//IL_013b: Unknown result type (might be due to invalid IL or missing references)
//IL_0125: Unknown result type (might be due to invalid IL or missing references)
//IL_015e: Unknown result type (might be due to invalid IL or missing references)
//IL_0194: Unknown result type (might be due to invalid IL or missing references)
//IL_0187: Unknown result type (might be due to invalid IL or missing references)
//IL_01b7: Unknown result type (might be due to invalid IL or missing references)
//IL_0236: Unknown result type (might be due to invalid IL or missing references)
//IL_021e: Unknown result type (might be due to invalid IL or missing references)
Application current = Application.Current;
bool flag = current != null && (int)current.UserAppTheme == 2;
Console.WriteLine("[ApplyShellColors] Theme is: " + (flag ? "Dark" : "Light"));
if (shell.FlyoutBackgroundColor != null && shell.FlyoutBackgroundColor != Colors.Transparent)
{
Color flyoutBackgroundColor = shell.FlyoutBackgroundColor;
skiaShell.FlyoutBackgroundColor = new SKColor((byte)(flyoutBackgroundColor.Red * 255f), (byte)(flyoutBackgroundColor.Green * 255f), (byte)(flyoutBackgroundColor.Blue * 255f), (byte)(flyoutBackgroundColor.Alpha * 255f));
Console.WriteLine($"[ApplyShellColors] FlyoutBackgroundColor from MAUI: {skiaShell.FlyoutBackgroundColor}");
}
else
{
skiaShell.FlyoutBackgroundColor = (flag ? new SKColor((byte)30, (byte)30, (byte)30) : new SKColor(byte.MaxValue, byte.MaxValue, byte.MaxValue));
Console.WriteLine($"[ApplyShellColors] Using default FlyoutBackgroundColor: {skiaShell.FlyoutBackgroundColor}");
}
skiaShell.FlyoutTextColor = (flag ? new SKColor((byte)224, (byte)224, (byte)224) : new SKColor((byte)33, (byte)33, (byte)33));
Console.WriteLine($"[ApplyShellColors] FlyoutTextColor: {skiaShell.FlyoutTextColor}");
skiaShell.ContentBackgroundColor = (flag ? new SKColor((byte)18, (byte)18, (byte)18) : new SKColor((byte)250, (byte)250, (byte)250));
Console.WriteLine($"[ApplyShellColors] ContentBackgroundColor: {skiaShell.ContentBackgroundColor}");
if (((VisualElement)shell).BackgroundColor != null && ((VisualElement)shell).BackgroundColor != Colors.Transparent)
{
Color backgroundColor = ((VisualElement)shell).BackgroundColor;
skiaShell.NavBarBackgroundColor = new SKColor((byte)(backgroundColor.Red * 255f), (byte)(backgroundColor.Green * 255f), (byte)(backgroundColor.Blue * 255f), (byte)(backgroundColor.Alpha * 255f));
}
else
{
skiaShell.NavBarBackgroundColor = new SKColor((byte)33, (byte)150, (byte)243);
}
}
try
{
// Render the page content
SkiaView? pageContent = null;
if (page is ContentPage contentPage && contentPage.Content != null)
{
pageContent = CurrentRenderer.RenderView(contentPage.Content);
}
private static void OnShellNavigated(object? sender, ShellNavigatedEventArgs e)
{
//IL_0019: Unknown result type (might be due to invalid IL or missing references)
DefaultInterpolatedStringHandler defaultInterpolatedStringHandler = new DefaultInterpolatedStringHandler(70, 3);
defaultInterpolatedStringHandler.AppendLiteral("[Navigation] OnShellNavigated called - Source: ");
defaultInterpolatedStringHandler.AppendFormatted<ShellNavigationSource>(e.Source);
defaultInterpolatedStringHandler.AppendLiteral(", Current: ");
ShellNavigationState current = e.Current;
defaultInterpolatedStringHandler.AppendFormatted((current != null) ? current.Location : null);
defaultInterpolatedStringHandler.AppendLiteral(", Previous: ");
ShellNavigationState previous = e.Previous;
defaultInterpolatedStringHandler.AppendFormatted((previous != null) ? previous.Location : null);
Console.WriteLine(defaultInterpolatedStringHandler.ToStringAndClear());
if (CurrentSkiaShell == null || CurrentMauiShell == null)
{
Console.WriteLine("[Navigation] CurrentSkiaShell or CurrentMauiShell is null");
return;
}
ShellNavigationState currentState = CurrentMauiShell.CurrentState;
string text = ((currentState == null) ? null : currentState.Location?.OriginalString) ?? "";
Console.WriteLine($"[Navigation] Location: {text}, Sections: {CurrentSkiaShell.Sections.Count}");
for (int i = 0; i < CurrentSkiaShell.Sections.Count; i++)
{
ShellSection shellSection = CurrentSkiaShell.Sections[i];
Console.WriteLine($"[Navigation] Checking section {i}: Route='{shellSection.Route}', Title='{shellSection.Title}'");
if (!string.IsNullOrEmpty(shellSection.Route) && text.Contains(shellSection.Route, StringComparison.OrdinalIgnoreCase))
{
Console.WriteLine($"[Navigation] Match found by route! Navigating to section {i}");
if (i != CurrentSkiaShell.CurrentSectionIndex)
{
CurrentSkiaShell.NavigateToSection(i);
}
return;
}
if (!string.IsNullOrEmpty(shellSection.Title) && text.Contains(shellSection.Title, StringComparison.OrdinalIgnoreCase))
{
Console.WriteLine($"[Navigation] Match found by title! Navigating to section {i}");
if (i != CurrentSkiaShell.CurrentSectionIndex)
{
CurrentSkiaShell.NavigateToSection(i);
}
return;
}
}
Console.WriteLine("[Navigation] No matching section found for location: " + text);
}
if (pageContent == null)
{
Console.WriteLine($"[PushPage] Failed to render page content");
return false;
}
private void ProcessShellItem(SkiaShell skiaShell, ShellItem item)
{
FlyoutItem val = (FlyoutItem)(object)((item is FlyoutItem) ? item : null);
if (val != null)
{
ShellSection shellSection = new ShellSection
{
Title = (((BaseShellItem)val).Title ?? ""),
Route = (((BaseShellItem)val).Route ?? ((BaseShellItem)val).Title ?? "")
};
foreach (ShellSection item2 in ((ShellItem)val).Items)
{
foreach (ShellContent item3 in item2.Items)
{
ShellContent shellContent = new ShellContent
{
Title = (((BaseShellItem)item3).Title ?? ((BaseShellItem)item2).Title ?? ((BaseShellItem)val).Title ?? ""),
Route = (((BaseShellItem)item3).Route ?? ""),
MauiShellContent = item3
};
SkiaView skiaView = CreateShellContentPage(item3);
if (skiaView != null)
{
shellContent.Content = skiaView;
}
shellSection.Items.Add(shellContent);
}
}
if (shellSection.Items.Count == 1)
{
shellSection.Title = shellSection.Items[0].Title;
}
skiaShell.AddSection(shellSection);
return;
}
TabBar val2 = (TabBar)(object)((item is TabBar) ? item : null);
if (val2 != null)
{
foreach (ShellSection item4 in ((ShellItem)val2).Items)
{
ShellSection shellSection2 = new ShellSection
{
Title = (((BaseShellItem)item4).Title ?? ""),
Route = (((BaseShellItem)item4).Route ?? "")
};
foreach (ShellContent item5 in item4.Items)
{
ShellContent shellContent2 = new ShellContent
{
Title = (((BaseShellItem)item5).Title ?? ((BaseShellItem)item4).Title ?? ""),
Route = (((BaseShellItem)item5).Route ?? ""),
MauiShellContent = item5
};
SkiaView skiaView2 = CreateShellContentPage(item5);
if (skiaView2 != null)
{
shellContent2.Content = skiaView2;
}
shellSection2.Items.Add(shellContent2);
}
skiaShell.AddSection(shellSection2);
}
return;
}
ShellSection shellSection3 = new ShellSection
{
Title = (((BaseShellItem)item).Title ?? ""),
Route = (((BaseShellItem)item).Route ?? "")
};
foreach (ShellSection item6 in item.Items)
{
foreach (ShellContent item7 in item6.Items)
{
ShellContent shellContent3 = new ShellContent
{
Title = (((BaseShellItem)item7).Title ?? ""),
Route = (((BaseShellItem)item7).Route ?? ""),
MauiShellContent = item7
};
SkiaView skiaView3 = CreateShellContentPage(item7);
if (skiaView3 != null)
{
shellContent3.Content = skiaView3;
}
shellSection3.Items.Add(shellContent3);
}
}
skiaShell.AddSection(shellSection3);
}
// Wrap in ScrollView if needed
if (pageContent is not SkiaScrollView)
{
var scrollView = new SkiaScrollView { Content = pageContent };
pageContent = scrollView;
}
private SkiaView? CreateShellContentPage(ShellContent content)
{
//IL_00bc: Unknown result type (might be due to invalid IL or missing references)
//IL_0135: Unknown result type (might be due to invalid IL or missing references)
//IL_010a: Unknown result type (might be due to invalid IL or missing references)
try
{
Page val = null;
if (content.ContentTemplate != null)
{
object obj = ((ElementTemplate)content.ContentTemplate).CreateContent();
val = (Page)((obj is Page) ? obj : null);
}
if (val == null)
{
object content2 = content.Content;
Page val2 = (Page)((content2 is Page) ? content2 : null);
if (val2 != null)
{
val = val2;
}
}
ContentPage val3 = (ContentPage)(object)((val is ContentPage) ? val : null);
if (val3 != null && val3.Content != null)
{
SkiaView skiaView = RenderView((IView)(object)val3.Content);
if (skiaView != null)
{
SKColor? value = null;
if (((VisualElement)val3).BackgroundColor != null && ((VisualElement)val3).BackgroundColor != Colors.Transparent)
{
Color backgroundColor = ((VisualElement)val3).BackgroundColor;
value = new SKColor((byte)(backgroundColor.Red * 255f), (byte)(backgroundColor.Green * 255f), (byte)(backgroundColor.Blue * 255f), (byte)(backgroundColor.Alpha * 255f));
Console.WriteLine($"[CreateShellContentPage] Page BackgroundColor: {value}");
}
if (skiaView is SkiaScrollView skiaScrollView)
{
if (value.HasValue)
{
skiaScrollView.BackgroundColor = value.Value;
}
return skiaScrollView;
}
SkiaScrollView skiaScrollView2 = new SkiaScrollView
{
Content = skiaView
};
if (value.HasValue)
{
skiaScrollView2.BackgroundColor = value.Value;
}
return skiaScrollView2;
}
}
}
catch (Exception)
{
}
return null;
}
// Push onto SkiaShell's navigation stack
CurrentSkiaShell.PushAsync(pageContent, page.Title ?? "Detail");
Console.WriteLine($"[PushPage] Successfully pushed page");
return true;
}
catch (Exception ex)
{
Console.WriteLine($"[PushPage] Error: {ex.Message}");
return false;
}
}
public SkiaView? RenderView(IView view)
{
if (view == null)
{
return null;
}
try
{
Element val = (Element)(object)((view is Element) ? view : null);
if (val != null && val.Handler != null)
{
val.Handler.DisconnectHandler();
}
IElementHandler obj = ((IElement)(object)view).ToHandler(_mauiContext);
if (!(((obj != null) ? obj.PlatformView : null) is SkiaView result))
{
return CreateFallbackView(view);
}
return result;
}
catch (Exception)
{
return CreateFallbackView(view);
}
}
/// <summary>
/// Pops the current page from the navigation stack.
/// </summary>
/// <returns>True if successful</returns>
public static bool PopPage()
{
Console.WriteLine($"[PopPage] Popping page");
if (CurrentSkiaShell == null)
{
Console.WriteLine($"[PopPage] CurrentSkiaShell is null");
return false;
}
return CurrentSkiaShell.PopAsync();
}
public LinuxViewRenderer(IMauiContext mauiContext)
{
_mauiContext = mauiContext ?? throw new ArgumentNullException(nameof(mauiContext));
// Store reference for push/pop navigation
CurrentRenderer = this;
}
/// <summary>
/// Renders a MAUI page and returns the corresponding SkiaView.
/// </summary>
public SkiaView? RenderPage(Page page)
{
if (page == null)
return null;
// Special handling for Shell - Shell is our navigation container
if (page is Shell shell)
{
return RenderShell(shell);
}
// Set handler context
page.Handler?.DisconnectHandler();
var handler = page.ToHandler(_mauiContext);
if (handler.PlatformView is SkiaView skiaPage)
{
// For ContentPage, render the content
if (page is ContentPage contentPage && contentPage.Content != null)
{
var contentView = RenderView(contentPage.Content);
if (skiaPage is SkiaPage sp && contentView != null)
{
sp.Content = contentView;
}
}
return skiaPage;
}
return null;
}
/// <summary>
/// Renders a MAUI Shell with all its navigation structure.
/// </summary>
private SkiaShell RenderShell(Shell shell)
{
// Store reference for navigation - Shell.Current is computed from Application.Current.Windows
// Our platform handles navigation through SkiaShell directly
CurrentMauiShell = shell;
var skiaShell = new SkiaShell
{
Title = shell.Title ?? "App",
FlyoutBehavior = shell.FlyoutBehavior switch
{
FlyoutBehavior.Flyout => ShellFlyoutBehavior.Flyout,
FlyoutBehavior.Locked => ShellFlyoutBehavior.Locked,
FlyoutBehavior.Disabled => ShellFlyoutBehavior.Disabled,
_ => ShellFlyoutBehavior.Flyout
}
};
// Process shell items into sections
foreach (var item in shell.Items)
{
ProcessShellItem(skiaShell, item);
}
// Store reference to SkiaShell for navigation
CurrentSkiaShell = skiaShell;
// Subscribe to MAUI Shell navigation events to update SkiaShell
shell.Navigated += OnShellNavigated;
shell.Navigating += (s, e) => Console.WriteLine($"[Navigation] Navigating: {e.Target}");
Console.WriteLine($"[Navigation] Shell navigation events subscribed. Sections: {skiaShell.Sections.Count}");
for (int i = 0; i < skiaShell.Sections.Count; i++)
{
Console.WriteLine($"[Navigation] Section {i}: Route='{skiaShell.Sections[i].Route}', Title='{skiaShell.Sections[i].Title}'");
}
return skiaShell;
}
/// <summary>
/// Handles MAUI Shell navigation events and updates SkiaShell accordingly.
/// </summary>
private static void OnShellNavigated(object? sender, ShellNavigatedEventArgs e)
{
Console.WriteLine($"[Navigation] OnShellNavigated called - Source: {e.Source}, Current: {e.Current?.Location}, Previous: {e.Previous?.Location}");
if (CurrentSkiaShell == null || CurrentMauiShell == null)
{
Console.WriteLine($"[Navigation] CurrentSkiaShell or CurrentMauiShell is null");
return;
}
// Get the current route from the Shell
var currentState = CurrentMauiShell.CurrentState;
var location = currentState?.Location?.OriginalString ?? "";
Console.WriteLine($"[Navigation] Location: {location}, Sections: {CurrentSkiaShell.Sections.Count}");
// Find the matching section in SkiaShell by route
for (int i = 0; i < CurrentSkiaShell.Sections.Count; i++)
{
var section = CurrentSkiaShell.Sections[i];
Console.WriteLine($"[Navigation] Checking section {i}: Route='{section.Route}', Title='{section.Title}'");
if (!string.IsNullOrEmpty(section.Route) && location.Contains(section.Route, StringComparison.OrdinalIgnoreCase))
{
Console.WriteLine($"[Navigation] Match found by route! Navigating to section {i}");
if (i != CurrentSkiaShell.CurrentSectionIndex)
{
CurrentSkiaShell.NavigateToSection(i);
}
return;
}
if (!string.IsNullOrEmpty(section.Title) && location.Contains(section.Title, StringComparison.OrdinalIgnoreCase))
{
Console.WriteLine($"[Navigation] Match found by title! Navigating to section {i}");
if (i != CurrentSkiaShell.CurrentSectionIndex)
{
CurrentSkiaShell.NavigateToSection(i);
}
return;
}
}
Console.WriteLine($"[Navigation] No matching section found for location: {location}");
}
/// <summary>
/// Process a ShellItem (FlyoutItem, TabBar, etc.) into SkiaShell sections.
/// </summary>
private void ProcessShellItem(SkiaShell skiaShell, ShellItem item)
{
if (item is FlyoutItem flyoutItem)
{
// Each FlyoutItem becomes a section
var section = new ShellSection
{
Title = flyoutItem.Title ?? "",
Route = flyoutItem.Route ?? flyoutItem.Title ?? ""
};
// Process the items within the FlyoutItem
foreach (var shellSection in flyoutItem.Items)
{
foreach (var content in shellSection.Items)
{
var shellContent = new ShellContent
{
Title = content.Title ?? shellSection.Title ?? flyoutItem.Title ?? "",
Route = content.Route ?? ""
};
// Create the page content
var pageContent = CreateShellContentPage(content);
if (pageContent != null)
{
shellContent.Content = pageContent;
}
section.Items.Add(shellContent);
}
}
// If there's only one item, use it as the main section content
if (section.Items.Count == 1)
{
section.Title = section.Items[0].Title;
}
skiaShell.AddSection(section);
}
else if (item is TabBar tabBar)
{
// TabBar items get their own sections
foreach (var tab in tabBar.Items)
{
var section = new ShellSection
{
Title = tab.Title ?? "",
Route = tab.Route ?? ""
};
foreach (var content in tab.Items)
{
var shellContent = new ShellContent
{
Title = content.Title ?? tab.Title ?? "",
Route = content.Route ?? ""
};
var pageContent = CreateShellContentPage(content);
if (pageContent != null)
{
shellContent.Content = pageContent;
}
section.Items.Add(shellContent);
}
skiaShell.AddSection(section);
}
}
else
{
// Generic ShellItem
var section = new ShellSection
{
Title = item.Title ?? "",
Route = item.Route ?? ""
};
foreach (var shellSection in item.Items)
{
foreach (var content in shellSection.Items)
{
var shellContent = new ShellContent
{
Title = content.Title ?? "",
Route = content.Route ?? ""
};
var pageContent = CreateShellContentPage(content);
if (pageContent != null)
{
shellContent.Content = pageContent;
}
section.Items.Add(shellContent);
}
}
skiaShell.AddSection(section);
}
}
/// <summary>
/// Creates the page content for a ShellContent.
/// </summary>
private SkiaView? CreateShellContentPage(Controls.ShellContent content)
{
try
{
// Try to create the page from the content template
Page? page = null;
if (content.ContentTemplate != null)
{
page = content.ContentTemplate.CreateContent() as Page;
}
if (page == null && content.Content is Page contentPage)
{
page = contentPage;
}
if (page is ContentPage cp && cp.Content != null)
{
// Wrap in a scroll view if not already scrollable
var contentView = RenderView(cp.Content);
if (contentView != null)
{
if (contentView is SkiaScrollView)
{
return contentView;
}
else
{
var scrollView = new SkiaScrollView
{
Content = contentView
};
return scrollView;
}
}
}
}
catch (Exception)
{
// Silently handle template creation errors
}
return null;
}
/// <summary>
/// Renders a MAUI view and returns the corresponding SkiaView.
/// </summary>
public SkiaView? RenderView(IView view)
{
if (view == null)
return null;
try
{
// Disconnect any existing handler
if (view is Element element && element.Handler != null)
{
element.Handler.DisconnectHandler();
}
// Create handler for the view
// The handler's ConnectHandler and property mappers handle child views automatically
var handler = view.ToHandler(_mauiContext);
if (handler?.PlatformView is not SkiaView skiaView)
{
// If no Skia handler, create a fallback
return CreateFallbackView(view);
}
// Handlers manage their own children via ConnectHandler and property mappers
// No manual child rendering needed here - that caused "View already has a parent" errors
return skiaView;
}
catch (Exception)
{
return CreateFallbackView(view);
}
}
/// <summary>
/// Creates a fallback view for unsupported view types.
/// </summary>
private SkiaView CreateFallbackView(IView view)
{
// For views without handlers, create a placeholder
return new SkiaLabel
{
Text = $"[{view.GetType().Name}]",
TextColor = SKColors.Gray,
FontSize = 12
};
}
}
/// <summary>
/// Extension methods for MAUI handler creation.
/// </summary>
public static class MauiHandlerExtensions
{
/// <summary>
/// Creates a handler for the view and returns it.
/// </summary>
public static IElementHandler ToHandler(this IElement element, IMauiContext mauiContext)
{
var handler = mauiContext.Handlers.GetHandler(element.GetType());
if (handler != null)
{
handler.SetMauiContext(mauiContext);
handler.SetVirtualView(element);
}
return handler!;
}
private SkiaView CreateFallbackView(IView view)
{
//IL_0026: Unknown result type (might be due to invalid IL or missing references)
return new SkiaLabel
{
Text = "[" + ((object)view).GetType().Name + "]",
TextColor = SKColors.Gray,
FontSize = 12f
};
}
}

104
Hosting/MauiHandlerExtensions.cs Normal file
View File

@@ -0,0 +1,104 @@
using System;
using System.Collections.Generic;
using Microsoft.Maui.Controls;
using Microsoft.Maui.Platform.Linux.Handlers;
namespace Microsoft.Maui.Platform.Linux.Hosting;
public static class MauiHandlerExtensions
{
private static readonly Dictionary<Type, Func<IElementHandler>> LinuxHandlerMap = new Dictionary<Type, Func<IElementHandler>>
{
[typeof(Button)] = () => (IElementHandler)(object)new TextButtonHandler(),
[typeof(Label)] = () => (IElementHandler)(object)new LabelHandler(),
[typeof(Entry)] = () => (IElementHandler)(object)new EntryHandler(),
[typeof(Editor)] = () => (IElementHandler)(object)new EditorHandler(),
[typeof(CheckBox)] = () => (IElementHandler)(object)new CheckBoxHandler(),
[typeof(Switch)] = () => (IElementHandler)(object)new SwitchHandler(),
[typeof(Slider)] = () => (IElementHandler)(object)new SliderHandler(),
[typeof(Stepper)] = () => (IElementHandler)(object)new StepperHandler(),
[typeof(ProgressBar)] = () => (IElementHandler)(object)new ProgressBarHandler(),
[typeof(ActivityIndicator)] = () => (IElementHandler)(object)new ActivityIndicatorHandler(),
[typeof(Picker)] = () => (IElementHandler)(object)new PickerHandler(),
[typeof(DatePicker)] = () => (IElementHandler)(object)new DatePickerHandler(),
[typeof(TimePicker)] = () => (IElementHandler)(object)new TimePickerHandler(),
[typeof(SearchBar)] = () => (IElementHandler)(object)new SearchBarHandler(),
[typeof(RadioButton)] = () => (IElementHandler)(object)new RadioButtonHandler(),
[typeof(WebView)] = () => (IElementHandler)(object)new GtkWebViewHandler(),
[typeof(Image)] = () => (IElementHandler)(object)new ImageHandler(),
[typeof(ImageButton)] = () => (IElementHandler)(object)new ImageButtonHandler(),
[typeof(BoxView)] = () => (IElementHandler)(object)new BoxViewHandler(),
[typeof(Frame)] = () => (IElementHandler)(object)new FrameHandler(),
[typeof(Border)] = () => (IElementHandler)(object)new BorderHandler(),
[typeof(ContentView)] = () => (IElementHandler)(object)new BorderHandler(),
[typeof(ScrollView)] = () => (IElementHandler)(object)new ScrollViewHandler(),
[typeof(Grid)] = () => (IElementHandler)(object)new GridHandler(),
[typeof(StackLayout)] = () => (IElementHandler)(object)new StackLayoutHandler(),
[typeof(VerticalStackLayout)] = () => (IElementHandler)(object)new StackLayoutHandler(),
[typeof(HorizontalStackLayout)] = () => (IElementHandler)(object)new StackLayoutHandler(),
[typeof(AbsoluteLayout)] = () => (IElementHandler)(object)new LayoutHandler(),
[typeof(FlexLayout)] = () => (IElementHandler)(object)new LayoutHandler(),
[typeof(CollectionView)] = () => (IElementHandler)(object)new CollectionViewHandler(),
[typeof(ListView)] = () => (IElementHandler)(object)new CollectionViewHandler(),
[typeof(Page)] = () => (IElementHandler)(object)new PageHandler(),
[typeof(ContentPage)] = () => (IElementHandler)(object)new ContentPageHandler(),
[typeof(NavigationPage)] = () => (IElementHandler)(object)new NavigationPageHandler(),
[typeof(Shell)] = () => (IElementHandler)(object)new ShellHandler(),
[typeof(FlyoutPage)] = () => (IElementHandler)(object)new FlyoutPageHandler(),
[typeof(TabbedPage)] = () => (IElementHandler)(object)new TabbedPageHandler(),
[typeof(Application)] = () => (IElementHandler)(object)new ApplicationHandler(),
[typeof(Window)] = () => (IElementHandler)(object)new WindowHandler(),
[typeof(GraphicsView)] = () => (IElementHandler)(object)new GraphicsViewHandler()
};
public static IElementHandler ToHandler(this IElement element, IMauiContext mauiContext)
{
return CreateHandler(element, mauiContext);
}
public static IViewHandler? ToViewHandler(this IView view, IMauiContext mauiContext)
{
IElementHandler? obj = CreateHandler((IElement)(object)view, mauiContext);
return (IViewHandler?)(object)((obj is IViewHandler) ? obj : null);
}
private static IElementHandler? CreateHandler(IElement element, IMauiContext mauiContext)
{
Type type = ((object)element).GetType();
IElementHandler val = null;
if (LinuxHandlerMap.TryGetValue(type, out Func<IElementHandler> value))
{
val = value();
Console.WriteLine("[ToHandler] Using Linux handler for " + type.Name + ": " + ((object)val).GetType().Name);
}
else
{
Type type2 = null;
Func<IElementHandler> func = null;
foreach (KeyValuePair<Type, Func<IElementHandler>> item in LinuxHandlerMap)
{
if (item.Key.IsAssignableFrom(type) && (type2 == null || type2.IsAssignableFrom(item.Key)))
{
type2 = item.Key;
func = item.Value;
}
}
if (func != null)
{
val = func();
Console.WriteLine($"[ToHandler] Using Linux handler (via base {type2.Name}) for {type.Name}: {((object)val).GetType().Name}");
}
}
if (val == null)
{
val = mauiContext.Handlers.GetHandler(type);
Console.WriteLine("[ToHandler] Using MAUI handler for " + type.Name + ": " + (((object)val)?.GetType().Name ?? "null"));
}
if (val != null)
{
val.SetMauiContext(mauiContext);
val.SetVirtualView(element);
}
return val;
}
}

17
Hosting/ScopedLinuxMauiContext.cs Normal file
View File

@@ -0,0 +1,17 @@
using System;
namespace Microsoft.Maui.Platform.Linux.Hosting;
public class ScopedLinuxMauiContext : IMauiContext
{
private readonly LinuxMauiContext _parent;
public IServiceProvider Services => _parent.Services;
public IMauiHandlersFactory Handlers => _parent.Handlers;
public ScopedLinuxMauiContext(LinuxMauiContext parent)
{
_parent = parent ?? throw new ArgumentNullException("parent");
}
}