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using System; |
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using System.Collections.Generic; |
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using System.Linq; |
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using System.Reactive.Linq; |
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using Avalonia.Controls; |
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using Avalonia.Controls.Diagnostics; |
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using Avalonia.Controls.Primitives; |
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using Avalonia.Data; |
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using Avalonia.Diagnostics.ViewModels; |
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using Avalonia.Input; |
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using Avalonia.Input.Raw; |
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@ -15,6 +18,7 @@ namespace Avalonia.Diagnostics.Views |
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internal class MainWindow : Window, IStyleHost |
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{ |
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private readonly IDisposable _keySubscription; |
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private readonly Dictionary<Popup, IDisposable> _frozenPopupStates; |
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private TopLevel? _root; |
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public MainWindow() |
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@ -23,23 +27,26 @@ namespace Avalonia.Diagnostics.Views |
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_keySubscription = InputManager.Instance.Process |
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.OfType<RawKeyEventArgs>() |
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.Where(x => x.Type == RawKeyEventType.KeyDown) |
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.Subscribe(RawKeyDown); |
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_frozenPopupStates = new Dictionary<Popup, IDisposable>(); |
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EventHandler? lh = default; |
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lh = (s, e) => |
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{ |
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this.Opened -= lh; |
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if ((DataContext as MainViewModel)?.StartupScreenIndex is int index) |
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{ |
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var screens = this.Screens; |
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if (index > -1 && index < screens.ScreenCount) |
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{ |
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var screen = screens.All[index]; |
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this.Position = screen.Bounds.TopLeft; |
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this.WindowState = WindowState.Maximized; |
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} |
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} |
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}; |
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{ |
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this.Opened -= lh; |
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if ((DataContext as MainViewModel)?.StartupScreenIndex is { } index) |
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{ |
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var screens = this.Screens; |
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if (index > -1 && index < screens.ScreenCount) |
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{ |
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var screen = screens.All[index]; |
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this.Position = screen.Bounds.TopLeft; |
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this.WindowState = WindowState.Maximized; |
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} |
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} |
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}; |
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this.Opened += lh; |
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} |
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@ -77,6 +84,13 @@ namespace Avalonia.Diagnostics.Views |
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base.OnClosed(e); |
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_keySubscription.Dispose(); |
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foreach (var state in _frozenPopupStates) |
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{ |
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state.Value.Dispose(); |
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} |
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_frozenPopupStates.Clear(); |
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if (_root != null) |
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{ |
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_root.Closed -= RootClosed; |
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@ -91,6 +105,53 @@ namespace Avalonia.Diagnostics.Views |
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AvaloniaXamlLoader.Load(this); |
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} |
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private IControl? GetHoveredControl(TopLevel topLevel) |
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{ |
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#pragma warning disable CS0618 // Type or member is obsolete
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var point = (topLevel as IInputRoot)?.MouseDevice?.GetPosition(topLevel) ?? default; |
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#pragma warning restore CS0618 // Type or member is obsolete
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return (IControl?)topLevel.GetVisualsAt(point, x => |
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{ |
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if (x is AdornerLayer || !x.IsVisible) |
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{ |
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return false; |
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} |
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return !(x is IInputElement ie) || ie.IsHitTestVisible; |
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}) |
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.FirstOrDefault(); |
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} |
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private static List<PopupRoot> GetPopupRoots(IVisual root) |
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{ |
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var popupRoots = new List<PopupRoot>(); |
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void ProcessProperty<T>(IControl control, AvaloniaProperty<T> property) |
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{ |
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if (control.GetValue(property) is IPopupHostProvider popupProvider |
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&& popupProvider.PopupHost is PopupRoot popupRoot) |
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{ |
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popupRoots.Add(popupRoot); |
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} |
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} |
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foreach (var control in root.GetVisualDescendants().OfType<IControl>()) |
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{ |
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if (control is Popup p && p.Host is PopupRoot popupRoot) |
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{ |
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popupRoots.Add(popupRoot); |
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} |
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ProcessProperty(control, ContextFlyoutProperty); |
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ProcessProperty(control, ContextMenuProperty); |
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ProcessProperty(control, FlyoutBase.AttachedFlyoutProperty); |
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ProcessProperty(control, ToolTipDiagnostics.ToolTipProperty); |
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} |
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return popupRoots; |
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} |
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private void RawKeyDown(RawKeyEventArgs e) |
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{ |
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var vm = (MainViewModel?)DataContext; |
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@ -99,34 +160,72 @@ namespace Avalonia.Diagnostics.Views |
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return; |
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} |
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const RawInputModifiers modifiers = RawInputModifiers.Control | RawInputModifiers.Shift; |
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if (e.Modifiers == modifiers) |
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switch (e.Modifiers) |
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{ |
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#pragma warning disable CS0618 // Type or member is obsolete
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var point = (Root as IInputRoot)?.MouseDevice?.GetPosition(Root) ?? default; |
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#pragma warning restore CS0618 // Type or member is obsolete
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case RawInputModifiers.Control | RawInputModifiers.Shift: |
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{ |
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IControl? control = null; |
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foreach (var popupRoot in GetPopupRoots(Root)) |
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{ |
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control = GetHoveredControl(popupRoot); |
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if (control != null) |
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{ |
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break; |
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} |
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} |
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control ??= GetHoveredControl(Root); |
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var control = Root.GetVisualsAt(point, x => |
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if (control != null) |
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{ |
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if (x is AdornerLayer || !x.IsVisible) return false; |
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if (!(x is IInputElement ie)) return true; |
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return ie.IsHitTestVisible; |
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}) |
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.FirstOrDefault(); |
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vm.SelectControl(control); |
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} |
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break; |
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} |
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if (control != null) |
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case RawInputModifiers.Control | RawInputModifiers.Alt when e.Key == Key.F: |
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{ |
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vm.SelectControl((IControl)control); |
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vm.FreezePopups = !vm.FreezePopups; |
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foreach (var popupRoot in GetPopupRoots(Root)) |
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{ |
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if (popupRoot.Parent is Popup popup) |
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{ |
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if (vm.FreezePopups) |
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{ |
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var lightDismissEnabledState = popup.SetValue( |
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Popup.IsLightDismissEnabledProperty, |
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!vm.FreezePopups, |
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BindingPriority.Animation); |
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if (lightDismissEnabledState != null) |
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{ |
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_frozenPopupStates[popup] = lightDismissEnabledState; |
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} |
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} |
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else |
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{ |
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//TODO Use Dictionary.Remove(Key, out Value) in netstandard 2.1
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if (_frozenPopupStates.ContainsKey(popup)) |
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{ |
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_frozenPopupStates[popup].Dispose(); |
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_frozenPopupStates.Remove(popup); |
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} |
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} |
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} |
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} |
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break; |
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} |
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} |
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else if (e.Modifiers == RawInputModifiers.Alt) |
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{ |
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if (e.Key == Key.S || e.Key == Key.D) |
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case RawInputModifiers.Alt when e.Key == Key.S || e.Key == Key.D: |
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{ |
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var enable = e.Key == Key.S; |
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vm.EnableSnapshotStyles(e.Key == Key.S); |
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vm.EnableSnapshotStyles(enable); |
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break; |
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} |
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} |
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} |
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Dariusz Komosiński
5 years ago
Dan Walmsley