PopupOptions.cs

using Microsoft.Maui;
using Microsoft.Maui.Graphics;
using NeuroAccessMaui.UI.Popups;
 
namespace NeuroAccessMaui.Services.UI.Popups
{
    public class PopupOptions
    {
        private double overlayOpacity = 0.7;
 
        public PopupTransition ShowTransition { get; set; } = PopupTransition.Scale;
 
        public PopupTransition HideTransition { get; set; } = PopupTransition.Fade;
 
        public bool CloseOnBackgroundTap { get; set; } = true;
 
        public bool CloseOnBackButton { get; set; } = true;
 
        public double OverlayOpacity
        {
            get => this.overlayOpacity;
            set
            {
                double clamped = value;
                if (clamped < 0)
                    clamped = 0;
                else if (clamped > 1)
                    clamped = 1;
                this.overlayOpacity = clamped;
            }
        }
 
        public bool IsBlocking { get; set; } = false;
 
        public bool DisableBackgroundTap { get; set; } = false;
 
        public PopupPlacement Placement { get; set; } = PopupPlacement.Center;
 
        public Point? AnchorPoint { get; set; }
 
        public Thickness Margin { get; set; } = new Thickness(0);
 
        public Thickness Padding { get; set; } = new Thickness(0);
 
        public void Normalize()
        {
            if (this.IsBlocking)
            {
                // Blocking popups should not close on background tap unless developer explicitly allows it.
                if (this.CloseOnBackgroundTap && !this.DisableBackgroundTap)
                    this.CloseOnBackgroundTap = false;
                // Ensure overlay is at least semi-opaque for modals.
                if (this.OverlayOpacity < 0.3)
                    this.OverlayOpacity = 0.7;
            }
            if (this.DisableBackgroundTap)
                this.CloseOnBackgroundTap = false;
        }
 
        public static PopupOptions CreateModal(double overlayOpacity = 0.7, bool closeOnBackButton = true)
        {
            PopupOptions options = new()
            {
                IsBlocking = true,
                DisableBackgroundTap = true,
                OverlayOpacity = overlayOpacity,
                CloseOnBackButton = closeOnBackButton,
                ShowTransition = PopupTransition.Scale,
                HideTransition = PopupTransition.Fade
            };
            options.Normalize();
            return options;
        }
    }
}