AVIPREVIEW GUI POUR EMULE ET EDONKEY

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.IO;
using System.Diagnostics;
using System.Runtime.InteropServices;

namespace AviPreview_Emule
{


	/// <summary>
	/// Description résumée de Form1.
	/// </summary>
	public class Form1 : System.Windows.Forms.Form
	{
		private System.Windows.Forms.ListBox listBox1;
		private System.Windows.Forms.GroupBox groupBox1;
		private System.Windows.Forms.Label label1;
		private System.Windows.Forms.Label label2;
		private System.Windows.Forms.TextBox txtWidth;
		private System.Windows.Forms.TextBox txtHeight;
		private System.Windows.Forms.CheckBox chkresolution;
		private System.Windows.Forms.GroupBox groupBox2;
		private System.Windows.Forms.Label label3;
		private System.Windows.Forms.Label label4;
		private System.Windows.Forms.Label label5;

		private System.Windows.Forms.Button button1;
		private System.ComponentModel.Container components = null;
		/// </summary>
		public const string WIDTH_RESOLUTION = "-h ";
		public const string HEIGHT_RESOLUTION = "-v ";
		public const string FORCE_DETECTION = "-f";
		public const string OUTPUT_SIZE = "-s ";
		private System.Windows.Forms.TextBox txtSize;

		public string commandline = "";

		public enum ERROR_MESSAGES
		{
			Width,
			Height,
			Selection,
			Not_Number,
			Avipreview,
			Emule,
			Avi,
			Creation,
			Fichier
		}

		public Form1()
		{
			//
			// Requis pour la prise en charge du Concepteur Windows Forms
			//
			InitializeComponent();

			//
			// TODO : ajoutez le code du constructeur après l'appel à InitializeComponent
			//
		}

		/// <summary>
		/// Nettoyage des ressources utilisées.
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if (components != null) 
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}

		#region Code généré par le Concepteur Windows Form
		/// <summary>
		/// Méthode requise pour la prise en charge du concepteur - ne modifiez pas
		/// le contenu de cette méthode avec l'éditeur de code.
		/// </summary>
		private void InitializeComponent()
		{
			System.Resources.ResourceManager resources = new System.Resources.ResourceManager(typeof(Form1));
			this.listBox1 = new System.Windows.Forms.ListBox();
			this.groupBox1 = new System.Windows.Forms.GroupBox();
			this.label2 = new System.Windows.Forms.Label();
			this.label1 = new System.Windows.Forms.Label();
			this.txtHeight = new System.Windows.Forms.TextBox();
			this.txtWidth = new System.Windows.Forms.TextBox();
			this.chkresolution = new System.Windows.Forms.CheckBox();
			this.groupBox2 = new System.Windows.Forms.GroupBox();
			this.label5 = new System.Windows.Forms.Label();
			this.label4 = new System.Windows.Forms.Label();
			this.txtSize = new System.Windows.Forms.TextBox();
			this.label3 = new System.Windows.Forms.Label();
			this.button1 = new System.Windows.Forms.Button();
			this.groupBox1.SuspendLayout();
			this.groupBox2.SuspendLayout();
			this.SuspendLayout();
			// 
			// listBox1
			// 
			this.listBox1.Location = new System.Drawing.Point(15, 10);
			this.listBox1.Name = "listBox1";
			this.listBox1.ScrollAlwaysVisible = true;
			this.listBox1.Size = new System.Drawing.Size(140, 108);
			this.listBox1.TabIndex = 0;
			// 
			// groupBox1
			// 
			this.groupBox1.Controls.Add(this.label2);
			this.groupBox1.Controls.Add(this.label1);
			this.groupBox1.Controls.Add(this.txtHeight);
			this.groupBox1.Controls.Add(this.txtWidth);
			this.groupBox1.Enabled = false;
			this.groupBox1.Location = new System.Drawing.Point(29, 146);
			this.groupBox1.Name = "groupBox1";
			this.groupBox1.Size = new System.Drawing.Size(131, 89);
			this.groupBox1.TabIndex = 1;
			this.groupBox1.TabStop = false;
			this.groupBox1.Text = "Résolution";
			// 
			// label2
			// 
			this.label2.AutoSize = true;
			this.label2.Location = new System.Drawing.Point(11, 56);
			this.label2.Name = "label2";
			this.label2.Size = new System.Drawing.Size(49, 16);
			this.label2.TabIndex = 3;
			this.label2.Text = "hauteur :";
			// 
			// label1
			// 
			this.label1.AutoSize = true;
			this.label1.Location = new System.Drawing.Point(11, 29);
			this.label1.Name = "label1";
			this.label1.Size = new System.Drawing.Size(49, 16);
			this.label1.TabIndex = 2;
			this.label1.Text = "Largeur :";
			// 
			// txtHeight
			// 
			this.txtHeight.Location = new System.Drawing.Point(64, 54);
			this.txtHeight.Name = "txtHeight";
			this.txtHeight.Size = new System.Drawing.Size(47, 20);
			this.txtHeight.TabIndex = 1;
			this.txtHeight.Text = "";
			// 
			// txtWidth
			// 
			this.txtWidth.Location = new System.Drawing.Point(64, 23);
			this.txtWidth.Name = "txtWidth";
			this.txtWidth.Size = new System.Drawing.Size(47, 20);
			this.txtWidth.TabIndex = 0;
			this.txtWidth.Text = "";
			// 
			// chkresolution
			// 
			this.chkresolution.Location = new System.Drawing.Point(9, 129);
			this.chkresolution.Name = "chkresolution";
			this.chkresolution.Size = new System.Drawing.Size(126, 16);
			this.chkresolution.TabIndex = 4;
			this.chkresolution.Text = "Spécifier résolution";
			this.chkresolution.CheckedChanged += new System.EventHandler(this.chkresolution_CheckedChanged);
			// 
			// groupBox2
			// 
			this.groupBox2.Controls.Add(this.label5);
			this.groupBox2.Controls.Add(this.label4);
			this.groupBox2.Controls.Add(this.txtSize);
			this.groupBox2.Controls.Add(this.label3);
			this.groupBox2.Location = new System.Drawing.Point(179, 146);
			this.groupBox2.Name = "groupBox2";
			this.groupBox2.Size = new System.Drawing.Size(145, 64);
			this.groupBox2.TabIndex = 5;
			this.groupBox2.TabStop = false;
			this.groupBox2.Text = "Taille du fichier de sortie";
			// 
			// label5
			// 
			this.label5.AutoSize = true;
			this.label5.Location = new System.Drawing.Point(18, 44);
			this.label5.Name = "label5";
			this.label5.Size = new System.Drawing.Size(108, 16);
			this.label5.TabIndex = 3;
			this.label5.Text = "vide = tout récupérer";
			// 
			// label4
			// 
			this.label4.AutoSize = true;
			this.label4.Location = new System.Drawing.Point(98, 22);
			this.label4.Name = "label4";
			this.label4.Size = new System.Drawing.Size(20, 16);
			this.label4.TabIndex = 2;
			this.label4.Text = "Mo";
			// 
			// txtSize
			// 
			this.txtSize.Location = new System.Drawing.Point(53, 19);
			this.txtSize.Name = "txtSize";
			this.txtSize.Size = new System.Drawing.Size(41, 20);
			this.txtSize.TabIndex = 1;
			this.txtSize.Text = "";
			// 
			// label3
			// 
			this.label3.AutoSize = true;
			this.label3.Location = new System.Drawing.Point(11, 21);
			this.label3.Name = "label3";
			this.label3.Size = new System.Drawing.Size(38, 16);
			this.label3.TabIndex = 0;
			this.label3.Text = "Taille :";
			// 
			// button1
			// 
			this.button1.Location = new System.Drawing.Point(197, 43);
			this.button1.Name = "button1";
			this.button1.Size = new System.Drawing.Size(112, 47);
			this.button1.TabIndex = 6;
			this.button1.Text = "Récupérer";
			this.button1.Click += new System.EventHandler(this.button1_Click);
			// 
			// Form1
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
			this.ClientSize = new System.Drawing.Size(344, 245);
			this.Controls.Add(this.button1);
			this.Controls.Add(this.groupBox2);
			this.Controls.Add(this.groupBox1);
			this.Controls.Add(this.listBox1);
			this.Controls.Add(this.chkresolution);
			this.Icon = ((System.Drawing.Icon)(resources.GetObject("$this.Icon")));
			this.Name = "Form1";
			this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
			this.Text = "AviPreview GUI";
			this.Load += new System.EventHandler(this.Form1_Load);
			this.groupBox1.ResumeLayout(false);
			this.groupBox2.ResumeLayout(false);
			this.ResumeLayout(false);

		}
		#endregion

		/// <summary>
		/// Point d'entrée principal de l'application.
		/// </summary>
		[STAThread]
		static void Main() 
		{
			Application.Run(new Form1());
		}

		private void Form1_Load(object sender, System.EventArgs e)
		{
			string[] files = new string[] {};
			byte[] byte_header = new byte[4];
			string strheader="";
			if(Directory.Exists("temp") && File.Exists("emule.exe"))
			{
				files = Directory.GetFiles("temp", "*.part");
				if(files.Length != 0)
				{
					for(int i=0;i<files.Length;i++)
					{
						FileStream stream = new FileStream(files[i], FileMode.Open);
					
						stream.Read(byte_header, 0, 4);
						strheader = System.Text.Encoding.ASCII.GetString(byte_header);
						if(strheader == "RIFF") files[i] += " (avi)";
						else files[i] += " (???)";
					}
					listBox1.DataSource = files;
				}
			}
			else
			{
				Erreur(ERROR_MESSAGES.Emule);
				Close();
			}
		}

		private void chkresolution_CheckedChanged(object sender, System.EventArgs e)
		{
			if(chkresolution.Checked == true)
			{
				groupBox1.Enabled = true;
			}
			else
			{
				groupBox1.Enabled = false;
			}
		}

		private void button1_Click(object sender, System.EventArgs e)
		{
			if(!VerifyAviPreview()) {}
			else if(!VerifyResolution()) {}
			else if(!VerifyNumber()) {}
			else if(!VerifyAVI()) {}
			else PrepareForLaunching();
		}

		public bool VerifyAviPreview()
		{
			if(!File.Exists("AviPreviewC.exe"))
			{
				Erreur(ERROR_MESSAGES.Avipreview);
				return false;
			}
			return true;
		}

		public bool VerifyResolution()
		{
			if(chkresolution.Checked)
			{
				if(txtWidth.Text == "")
				{
					Erreur(ERROR_MESSAGES.Width);
					return false;
				}
				else if(txtHeight.Text == "")
				{
					Erreur(ERROR_MESSAGES.Height);
					return false;
				}
			}
			return true;
		}

		public bool VerifyNumber()
		{
			foreach (char c in txtWidth.Text)
			{
				if(c < 48 || c > 57)
				{
					Erreur(ERROR_MESSAGES.Not_Number);
					return false;
				}
			}
			foreach (char c in txtHeight.Text)
			{
				if(c < 48 || c > 57)
				{
					Erreur(ERROR_MESSAGES.Not_Number);
					return false;
				}
			}
			foreach (char c in txtSize.Text)
			{
				if(c < 48 || c > 57)
				{
					Erreur(ERROR_MESSAGES.Not_Number);
					return false;
				}
			}

			return true;
		}

		public bool VerifyAVI()
		{
			if(listBox1.SelectedIndex == -1)
			{
				Erreur(ERROR_MESSAGES.Selection);
				return false;
			}
			if(listBox1.SelectedItem.ToString().IndexOf("avi") == -1)
			{
				Erreur(ERROR_MESSAGES.Avi);
				return false;
			}
			else return true;
		}

		public void PrepareForLaunching()
		{
			bool resolution=false;
			bool size=false;

			if(txtWidth.Text != "" && txtHeight.Text != "") resolution = true;
			if(txtSize.Text != "") size = true;

			ExecuteAviPreview(resolution, size);
		}

		public void ExecuteAviPreview(bool resolution, bool size)
		{
			string commandline;
			string[] jetons;

			SaveFileDialog sfd = new SaveFileDialog();
			sfd.InitialDirectory = @"%USERPROFILE%\Bureau";
			sfd.Filter = "Fichier vidéo|*.avi";
			sfd.RestoreDirectory = true;
			if(sfd.ShowDialog() != DialogResult.Cancel)
			{

				jetons = listBox1.SelectedItem.ToString().Split(new char[] {' '});
				commandline = jetons[0] + " \u0022" + sfd.FileName + "\u0022";
				if(resolution)
				{
					commandline += " -h " + txtWidth.Text;
					commandline += " -v " + txtHeight.Text;
				}
				if(size) commandline += " -s " + txtSize.Text + "M";

				Process myprocess = new Process();
				myprocess.StartInfo.FileName = "AviPreviewC.exe";
				myprocess.StartInfo.Arguments = commandline;
				myprocess.Start();
				myprocess.WaitForExit();
				if(!File.Exists(sfd.FileName)) Erreur(ERROR_MESSAGES.Creation);
				else
				{
					DialogResult result = MessageBox.Show("Tout s'est bien déroulé. voulez-vous lancer la vidéo ?", "Question", MessageBoxButtons.YesNo, MessageBoxIcon.Question);
					if(result == DialogResult.Yes) ExecutePreview(sfd.FileName);
				}
			}
		}

		public void ExecutePreview(string filename)
		{
			Process myprocess = new Process();
			myprocess.StartInfo.FileName = filename;
			myprocess.Start();
			myprocess.WaitForExit();
		}

		public void Erreur(AviPreview_Emule.Form1.ERROR_MESSAGES erreur)
		{
			string msg = "";

			switch(erreur)
			{
				case ERROR_MESSAGES.Width: msg = "La largeur n'est pas spécifiée !"; break;
				case ERROR_MESSAGES.Height: msg = "La hauteur n'est pas spécifiée !"; break;
				case ERROR_MESSAGES.Not_Number: msg = "Une valeur spécifié n'est pas un nombre !"; break;
				case ERROR_MESSAGES.Selection: msg = "Aucun fichier sélectionner !"; break;
				case ERROR_MESSAGES.Avipreview: msg = "AviPreviewC.exe doit se trouver dans le dossier de emule !"; break;
				case ERROR_MESSAGES.Emule: msg = "Ce programme doit être placer dans le répertoire d'eMule !"; break;
				case ERROR_MESSAGES.Avi: msg = "Le fichier sélectionner n'est pas une video au format AVI standard !"; break;
				case ERROR_MESSAGES.Creation: msg = "Erreur inconnue lors de la création du fichier !"; break;
				case ERROR_MESSAGES.Fichier: msg = "Vous devez donner l'emplacement du fichier dé prévisualisation !"; break;
			}

			MessageBox.Show(msg, "Erreur", MessageBoxButtons.OK, MessageBoxIcon.Error);
		}
	}
}