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using System;
using System.ComponentModel;
using Android.Content;
using Android.Graphics;
using Android.Widget;
namespace Xamarin.Forms.Platform.Android
{
internal sealed class ToolbarImageButton : ImageButton, IToolbarButton
{
IMenuItemController Controller => Item;
public ToolbarImageButton(Context context, ToolbarItem item) : base(context)
{
if (item == null)
throw new ArgumentNullException("item", "you should specify a ToolbarItem");
Item = item;
Enabled = Controller.IsEnabled;
Bitmap bitmap;
bitmap = Context.Resources.GetBitmap(Item.Icon);
SetImageBitmap(bitmap);
SetBackgroundColor(new Color(0, 0, 0, 0).ToAndroid());
Click += (sender, e) => Controller.Activate();
bitmap.Dispose();
Item.PropertyChanged += HandlePropertyChanged;
}
public ToolbarItem Item { get; set; }
protected override void Dispose(bool disposing)
{
if (disposing)
Item.PropertyChanged -= HandlePropertyChanged;
base.Dispose(disposing);
}
void HandlePropertyChanged(object sender, PropertyChangedEventArgs e)
{
if (e.PropertyName == Controller.IsEnabledPropertyName)
Enabled = Controller.IsEnabled;
}
}
}
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