#region Using Statements
using System;

#endregion // Using Statements

#region License

//
// This file is part of the ANX.Framework created by the "ANX.Framework developer group".
//
// This file is released under the Ms-PL license.
//
//
//
// Microsoft Public License (Ms-PL)
//
// This license governs use of the accompanying software. If you use the software, you accept this license. 
// If you do not accept the license, do not use the software.
//
// 1.Definitions
//   The terms "reproduce," "reproduction," "derivative works," and "distribution" have the same meaning 
//   here as under U.S. copyright law.
//   A "contribution" is the original software, or any additions or changes to the software.
//   A "contributor" is any person that distributes its contribution under this license.
//   "Licensed patents" are a contributor's patent claims that read directly on its contribution.
//
// 2.Grant of Rights
//   (A) Copyright Grant- Subject to the terms of this license, including the license conditions and limitations 
//       in section 3, each contributor grants you a non-exclusive, worldwide, royalty-free copyright license to 
//       reproduce its contribution, prepare derivative works of its contribution, and distribute its contribution
//       or any derivative works that you create.
//   (B) Patent Grant- Subject to the terms of this license, including the license conditions and limitations in 
//       section 3, each contributor grants you a non-exclusive, worldwide, royalty-free license under its licensed
//       patents to make, have made, use, sell, offer for sale, import, and/or otherwise dispose of its contribution 
//       in the software or derivative works of the contribution in the software.
//
// 3.Conditions and Limitations
//   (A) No Trademark License- This license does not grant you rights to use any contributors' name, logo, or trademarks.
//   (B) If you bring a patent claim against any contributor over patents that you claim are infringed by the software, your 
//       patent license from such contributor to the software ends automatically.
//   (C) If you distribute any portion of the software, you must retain all copyright, patent, trademark, and attribution 
//       notices that are present in the software.
//   (D) If you distribute any portion of the software in source code form, you may do so only under this license by including
//       a complete copy of this license with your distribution. If you distribute any portion of the software in compiled or 
//       object code form, you may only do so under a license that complies with this license.
//   (E) The software is licensed "as-is." You bear the risk of using it. The contributors give no express warranties, guarantees,
//       or conditions. You may have additional consumer rights under your local laws which this license cannot change. To the
//       extent permitted under your local laws, the contributors exclude the implied warranties of merchantability, fitness for a 
//       particular purpose and non-infringement.

#endregion // License

namespace ANX.Framework
{
    public abstract class GameWindow
    {
        private string title;

        public event EventHandler<EventArgs> Activated;
        public event EventHandler<EventArgs> ClientSizeChanged;
        public event EventHandler<EventArgs> Deactivated;
        public event EventHandler<EventArgs> OrientationChanged;
        public event EventHandler<EventArgs> Paint;
        public event EventHandler<EventArgs> ScreenDeviceNameChanged;

        public abstract IntPtr Handle { get; }

        public abstract bool IsMinimized { get; }

        public abstract void BeginScreenDeviceChange(bool willBeFullScreen);

        public void EndScreenDeviceChange(string screenDeviceName)
        {
            this.EndScreenDeviceChange(screenDeviceName, this.ClientBounds.Width, this.ClientBounds.Height);
        }

        public abstract void EndScreenDeviceChange(string screenDeviceName, int clientWidth, int clientHeight);

        protected abstract void SetTitle(string title);

        protected void OnActivated()
        {
            if (this.Activated != null)
            {
                this.Activated(this, EventArgs.Empty);
            }
        }

        protected void OnDeactivated()
        {
            if (this.Deactivated != null)
            {
                this.Deactivated(this, EventArgs.Empty);
            }
        }

        protected void OnOrientationChanged()
        {
            if (this.OrientationChanged != null)
            {
                this.OrientationChanged(this, EventArgs.Empty);
            }
        }

        protected void OnPaint()
        {
            if (this.Paint != null)
            {
                this.Paint(this, EventArgs.Empty);
            }
        }

        protected void OnScreenDeviceNameChanged()
        {
            if (this.ScreenDeviceNameChanged != null)
            {
                this.ScreenDeviceNameChanged(this, EventArgs.Empty);
            }
        }

        protected void OnClientSizeChanged()
        {
            if (this.ClientSizeChanged != null)
            {
                this.ClientSizeChanged(this, EventArgs.Empty);
            }
        }

        public string Title
        {
            get
            {
                return this.title;
            }
            set
            {
                if (string.IsNullOrEmpty(value))
                {
                    throw new ArgumentNullException();
                }

                if (value != this.title)
                {
                    this.title = value;
                    SetTitle(value);
                }
            }
        }

        public abstract bool AllowUserResizing { get; set; }

        public abstract Rectangle ClientBounds { get; }

        public abstract string ScreenDeviceName { get; }

        public abstract DisplayOrientation CurrentOrientation { get; }

    }
}