Media Player With MCI

using System;
using System.Collections.Generic;
using System.Text;
using System.Runtime.InteropServices;
using System.Windows.Forms;
using System.IO;
using System.Net.Sockets;
using Microsoft.Win32;
using Microsoft.VisualBasic.Devices;
using System.Collections;

namespace Mp3Player
{
    class Player
    {
        //Global Variables And Importing winmm.DLL
        #region Global Değişken Ve DLL
        [DllImport("winmm.dll")]
        private static extern long mciSendString(string strKomut, StringBuilder strDonenDeger, int mediaUzunluk, IntPtr hwndCallback);
        Random sayi = new Random();
        public Form mp3 = new Form();
        string komut;
        bool selected;
        int saniye, dakika;
        StringBuilder donendeger = new StringBuilder();
        public string artist = null;
        public string album = null;
        public string year = null;
        public bool siraalindi = false;
        public ArrayList siralical = new ArrayList();
        public int sirasi=0;
        public int calsirasi = 0;
        public ToolStripMenuItem rastgelech = new ToolStripMenuItem();
        public ToolStripMenuItem snrakisarki = new ToolStripMenuItem();
        public ToolStripMenuItem srkitkrr = new ToolStripMenuItem();
        public ToolStripMenuItem lstetkrr = new ToolStripMenuItem();
        public ListView lst;
        public Timer tck = new Timer();
        public bool play;
        public int yer = 0;
        public OpenFileDialog op;
        public int sira;
        public int sonraki;
        public TrackBar trcsarkiyer2;
        public int onceki;
        public Label lblcalan;
        #endregion
        //Time Functions
        #region Zaman
        public string Saniye_Dakika(int milisaniye)
        {
            saniye = milisaniye / 1000;
            dakika = saniye / 60;
            return String.Format("{0}", (float)dakika) + ":" + String.Format("{0}", (float)(saniye % 60));
        }
        public string SarkiuzunlukYaz()
        {
            komut = "status Sarki length";
            mciSendString(komut, donendeger, donendeger.Capacity, IntPtr.Zero);
            return string.Format(Saniye_Dakika(Convert.ToInt32(donendeger.ToString())));
        }

        public int SarkiUzunlukMiliSaniye(int sira)
        {
            Open(lst.Items[sira].SubItems[1].Text);
            komut = "status Sarki length";
            mciSendString(komut, donendeger, donendeger.Capacity, IntPtr.Zero);
            return Convert.ToInt32(donendeger.ToString());
        }
        public int CalinanSaniye()
        {
            komut = "status Sarki position";
            mciSendString(komut, donendeger, donendeger.Capacity, IntPtr.Zero);
            return Convert.ToInt32(donendeger.ToString());
        }

        public bool Sonkontrol(int sira)
        {
            Open(lst.Items[sira].SubItems[1].Text);
            if (Saniye_Dakika(CalinanSaniye()) == SarkiuzunlukYaz() && sonraki != lst.Items.Count)
            {
                Stop();
                if (rastgelech.Checked == true)
                {
                    sonraki = Rastgele();
                }
                if (snrakisarki.Checked == true)
                {
                    Play(sonraki);
                    lblcalan.Text = lst.Items[sonraki].Text;
                    mp3.Text = lst.Items[sonraki].Text;
                    sonraki++;
                    onceki++;
                }
                if (srkitkrr.Checked == true)
                {
                    Play(sira);
                    lblcalan.Text = lst.Items[sira].Text;
                    mp3.Text = lst.Items[sira].Text;
                }
                return true;
            }
            else if (lstetkrr.Checked == true && sonraki == lst.Items.Count && Saniye_Dakika(CalinanSaniye()) == SarkiuzunlukYaz())
            {
                sonraki = 0;
                Stop();
                Play(sonraki);
                lblcalan.Text = lst.Items[sonraki].Text;
                mp3.Text = lst.Items[sonraki].Text;
                sonraki++;
                onceki++;
                return true;
            }
            else
            {
                return false;
            }
        }

        public string ToplamZaman()
        {
            int tplmsure = 0;
            for (int i = 0; i < lst.Items.Count; i++)
            {
                tplmsure = tplmsure + SarkiUzunlukMiliSaniye(i);
            }
            return string.Format(Saniye_Dakika(tplmsure));
        }

        public int KalanSaniye()
        {
            int calnn = CalinanSaniye();
            int tmmi = SarkiUzunlukMiliSaniye(sira);
            return tmmi - calnn;
        }
        #endregion
        //Buttons
        #region Butonlar
        public void Play(int sira)
        {
            Stop();
            Open(lst.Items[sira].SubItems[1].Text);
            trcsarkiyer2.Maximum = SarkiUzunlukMiliSaniye(sira);
            komut = "play Sarki";
            mciSendString(komut, null, 0, IntPtr.Zero);
            play = true;

        }

        public void PlayScroll()
        {
            komut = "play Sarki";
            mciSendString(komut, null, 0, IntPtr.Zero);
            play = true;
        }

        public void Cal()
        {
            if (sira < lst.Items.Count)
            {
                if (Caliyomu(sira))
                {
                    Stop();
                }
                for (int i = 0; i < lst.Items.Count; i++)
                {
                    if (lst.Items[i].Selected == true)
                    {
                        sira = i;
                        onceki = i - 1;
                        sonraki = i + 1;
                        lblcalan.Text = lst.Items[i].Text;
                        mp3.Text = lst.Items[i].Text;
                        selected = true;
                    }
                }
                if (selected == false)
                {
                    MessageBox.Show("Şarkı Seçmediniz.");
                }
                else
                {
                    Play(sira);
                }
                tck.Start();
            }
            else
                MessageBox.Show("LISTE BOS");
        }
        public void Stop()
        {
            komut = "close Sarki";
            mciSendString(komut, null, 0, IntPtr.Zero);
            play = false;
        }

        public void Pause()
        {
            komut = "pause Sarki";
            mciSendString(komut, null, 0, IntPtr.Zero);
            play = false;
        }

        public void Resume(int sira)
        {
            komut = "resume Sarki";
            mciSendString(komut, null, 0, IntPtr.Zero);
            play = true;
        }

        public void Open(string Yol)
        {
            komut = "open \"" + Yol + "\" type mpegvideo alias Sarki";
            mciSendString(komut, null, 0, IntPtr.Zero);
        }

        public void Onceki()
        {
            if (onceki > 0)
            {
                if (Caliyomu(sira))
                {
                   Stop();
                }
                if (rastgelech.Checked == true)
                {
                    onceki = Rastgele();
                }
                Play(onceki);
                lblcalan.Text = lst.Items[onceki].Text;
                mp3.Text = lst.Items[onceki].Text;
                onceki--;
                sonraki--;
                tck.Start();
            }
            else
            {
                MessageBox.Show("Zaten Liste Başındasınız.");
            }
        }

        public void Sonraki()
        {
            if (sonraki != lst.Items.Count)
            {
                if (Caliyomu(sira))
                {
                    Stop();
                }
                if (rastgelech.Checked == true)
                {
                    sonraki = Rastgele();
                }
            }
            else
            {
                if (lstetkrr.Checked == true)
                {
                    Stop();
                    sonraki = 0;
                }
                else
                {
                    MessageBox.Show("LISTE SONU");
                    goto son;
                }
            }
            lblcalan.Text = lst.Items[sonraki].Text;
            mp3.Text = lst.Items[sonraki].Text;
            Play(sonraki);
            sonraki++;
            onceki++;
            tck.Start();
        son:
            return;
        }
        #endregion
        //Sound IsPlaying Etc. Functions
        #region Ses Ve ŞarkıÖzellik
        public void SesAyarla(int Ses)
        {
            if (Ses >= 0 && Ses <= 1000)
            {
                komut = "setaudio Sarki volume to " + Ses.ToString();
                mciSendString(komut, null, 0, IntPtr.Zero);
            }
        }

        public void SarkiYeriniAyarla(int milisaniye)
        {
            komut = "seek Sarki to " + milisaniye.ToString();
            mciSendString(komut, null, 0, IntPtr.Zero);
        }

        public bool Caliyomu(int a)
        {
            Open(lst.Items[a].SubItems[1].Text);
            komut = "status Sarki mode";
            mciSendString(komut, donendeger, 128, IntPtr.Zero);
            if (donendeger.Length == 7 && donendeger.ToString().Substring(0, 7) == "playing")
            {
                return true;
            }
            else
            {
                return false;
            }
        }

        public int Rastgele()
        {
            int a = sayi.Next(0, lst.Items.Count);
            return a;
        }
        #endregion
        //File And Directory Process Functions
        #region Dizin Ve Dosya Islem
        public void Dizini_Liste_Ekle(string yol)
        {
            string[] dosyalar = Directory.GetFiles(yol);
            for (int i = 0; i < dosyalar.Length; i++)
            {
                FileInfo fl = new FileInfo(dosyalar[i]);
                lst.Items.Add(fl.Name);
                lst.Items[yer].SubItems.Add(fl.FullName);
                yer++;
            }
        }

        public void Dosya_Ekle()
        {
            lst.Items.Add(op.SafeFileName);
            lst.Items[yer].SubItems.Add(op.FileName);
            yer++;
        }

        public void Dialog()
        {
            DialogResult result = new DialogResult();
            result = op.ShowDialog();
            if (op.FileName != "" && result == DialogResult.OK)
            {
                Dosya_Ekle();
            }
        }
        #endregion
        //Let's Get Mp3 Tags
        #region Mp3 ID3V1
        public void Mp3Oku(string yol)
        {
            FileInfo fi = new FileInfo(yol);
            FileStream fs;
           
            fs = File.OpenRead(yol);
            if (fs.Length > 128)
            {
                char[] buffer = new char[128];

                fs.Seek(fs.Length - 128, SeekOrigin.Begin);

                for (int i = 0; i < 128; i++)
                    buffer[i] = (char)fs.ReadByte();

                String tag = new String(buffer);

                if (tag.Substring(0, 3).Equals("TAG"))
                {
                    artist = tag.Substring(33, 30).Trim();
                    album = tag.Substring(63, 30).Trim();
                    year = tag.Substring(93, 4).Trim();
                }
            }
            fs.Close();
        }
        #endregion
        //Check Internet Connection
        #region InternetBaglanti
        public bool Bagkontrol()
        {
            bool snc=false;
            try 
	{	   
            TcpClient kontrol = new TcpClient("www.google.com",80);
            kontrol.Client.Close();
            snc=true;     
	}
	catch 
	{
		
		snc=false;
	}
            if (snc == true)
            {
                return true;
            }
            else
                return false;
        }
        #endregion
        //On Form Load Enter Registry Entries
        #region Registry
        public void RegisterMpl()
        {
            RegistryKey kokdizin = Registry.ClassesRoot;
            RegistryKey dosyatipi = kokdizin.OpenSubKey(".mpl");
            string yol = Application.StartupPath + "\\Mp3Player.exe";
            if (dosyatipi==null)
            {
                RegistryKey yni;
                yni = kokdizin.CreateSubKey(".mpl");
                yni.SetValue("","mpl.info");
                RegistryKey acklama = kokdizin.CreateSubKey("mpl.info");
                acklama.SetValue("","MP3 Player Dosyası");
                RegistryKey shell = acklama.CreateSubKey("shell"); ;//Open,Run vb İşlemler..
                RegistryKey open = shell.CreateSubKey("open");
                open.SetValue("","&Open Mp3 Player");
                yni = open.CreateSubKey("command");
                yni.SetValue("",yol+" %1");
                yni = acklama.CreateSubKey("DefaultIcon");
                yni.SetValue("", yol+",0");
            }
        }

        public void RegiserRdy()
        {
            RegistryKey kokdizin = Registry.ClassesRoot;
            RegistryKey dosyatipi = kokdizin.OpenSubKey(".rdy");
            string yol = Application.StartupPath + "\\Mp3Player.exe";
            if (dosyatipi == null)
            {
                RegistryKey yni;
                yni = kokdizin.CreateSubKey(".rdy");
                yni.SetValue("", "rdy.info");
                RegistryKey acklama = kokdizin.CreateSubKey("rdy.info");
                acklama.SetValue("", "Mp3 Player Radyo Dosyası");
                RegistryKey shell = acklama.CreateSubKey("shell"); ;//Open,Run vb İşlemler..
                RegistryKey open = shell.CreateSubKey("open");
                open.SetValue("", "&Open Mp3 Player");
                yni = open.CreateSubKey("command");
                yni.SetValue("", yol + " %1");
                yni = acklama.CreateSubKey("DefaultIcon");
                yni.SetValue("", yol + ",0");
            }
        }
        #endregion
        //Functions To Listen Media Files in a row
        #region Siraya Koy
        public void SiraAl(int secilenindex)
        {
            if (SiraIcindeYok(secilenindex))
            {
                siralical.Add(secilenindex);
                sirasi++;
                lst.Items[secilenindex].Text = lst.Items[secilenindex].Text + " " + "(" + (sirasi) + ")";
                siraalindi = true;
            }
            else
            {
                siraalindi = false;
                return;
            }
        }

        public void SiraTemizle()
        {
            for (int i = 0; i < siralical.Count; i++)
            {
                FileInfo fi = new FileInfo(lst.Items[(int)siralical[i]].SubItems[1].Text);
                lst.Items[(int)siralical[i]].Text = fi.Name;
            }
            siralical.Clear();
        }

        public void CalmaBasla()
        {
            if (calsirasi!=siralical.Count)
            {
                if (Caliyomu((int)siralical[calsirasi]))
                {
                    Stop();
                }
                lst.Items[(int)siralical[calsirasi]].Selected = true;
                lblcalan.Text = lst.Items[(int)siralical[calsirasi]].Text;
                mp3.Text = lst.Items[(int)siralical[calsirasi]].Text;
                Play((int)siralical[calsirasi]);
            }
        }

        public bool SiraliCalSonKontrol()
        {
            if (calsirasi != siralical.Count)
            {
                Open(lst.Items[(int)siralical[calsirasi]].SubItems[1].Text);
                if (Saniye_Dakika(CalinanSaniye()) == SarkiuzunlukYaz() && (int)siralical[calsirasi] != lst.Items.Count)
                {
                    Stop();
                    calsirasi++;
                    CalmaBasla();
                    return true;
                }
                else return false;
            }
            else
            {
                return true;
            }
        }

        public bool SiraIcindeYok(int secilenindex2)
        {
            for (int i = 0; i < siralical.Count; i++)
            {
                if (secilenindex2==(int)siralical[i])
                {
                    return false;
                }
            }
            return true ;
        }
        #endregion
    }
}