NavigationEventArgsExtensions.cs

using CommunityToolkit.Maui.Views;

namespace CommunityToolkit.Maui.Extensions;

/// <summary>
/// Extension methods for <see cref="NavigatedFromEventArgs"/>, <see cref="NavigatedToEventArgs"/> and <see cref="NavigatingFromEventArgs"/>.
/// </summary>
public static class NavigationEventArgsExtensions
{
	/// <summary>
	/// Determines if the destination page is the internal <see cref="PopupPage"/> wrapper used when displaying a Community Toolkit <see cref="Popup"/>.
	/// </summary>
	/// <param name="args">The current <see cref="NavigatedFromEventArgs"/>.</param>
	/// <returns>A boolean indicating if the destination page is a <see cref="PopupPage"/> representing a Community Toolkit <see cref="Popup"/>.</returns>
	public static bool IsDestinationPageACommunityToolkitPopupPage(this NavigatedFromEventArgs args) => args.DestinationPage is PopupPage;
	
	/// <summary>
	/// Determines whether the previous page was the internal <see cref="PopupPage"/> wrapper used when displaying a Community Toolkit <see cref="Popup"/>.
	/// </summary>
	/// <param name="args">The current <see cref="NavigatedToEventArgs"/>.</param>
	/// <returns>A boolean indicating whether the previous page was a <see cref="PopupPage"/> representing a Community Toolkit <see cref="Popup"/>.</returns>
	public static bool WasPreviousPageACommunityToolkitPopupPage(this NavigatedToEventArgs args) => args.PreviousPage is PopupPage;
	
	/// <summary>
	/// Determines if the destination page will be the internal <see cref="PopupPage"/> wrapper used when displaying a Community Toolkit <see cref="Popup"/>.
	/// </summary>
	/// <param name="args">The current <see cref="NavigatingFromEventArgs"/>.</param>
	/// <returns>A boolean indicating if the destination page will be a <see cref="PopupPage"/> representing a Community Toolkit <see cref="Popup"/>.</returns>
	public static bool IsDestinationPageACommunityToolkitPopupPage(this NavigatingFromEventArgs args) => args.DestinationPage is PopupPage;
}