JD2022-TU1/main/tools/framework/JD.Application.TeaBox/View/Actions/PlaybackActionHandlerBase.cs

using JD.Audio.SoundPlayer;
using JD.Interfaces.Player;
using TeaBox;

namespace JD.Application.View.Actions
{
    /// <summary>
    /// Base class for an action to execute on a player.
    /// </summary>
    public class PlaybackActionHandlerBase : ActionHandler
    {
        private IPlayer ResolvePlayer(ActionContext context)
        {
            var provider = context.Target as IPlayerProvider ?? global::TeaBox.ObjectModel.Application.Main.Views.SelectedItem as IPlayerProvider;
            return provider != null ? provider.Player : null;
        }

        public override bool Update(ActionContext context, ActionInfo info)
        {
            var player = ResolvePlayer(context);
            info.Enabled = player != null;

            if (player != null)
            {
                Update(info, player);
            }

            return true;
        }

        public override void Execute(ActionExecutionContext context)
        {
            var player = ResolvePlayer(context);
            if (player != null)
            {
                Execute(player);
            }
        }

        protected virtual void Update(ActionInfo info, IPlayer player)
        {
        }

        protected virtual void Execute(IPlayer player)
        {
        }
    }
}