using System; using System.IO; namespace BSE.Platten.Audio { /// <summary> /// Summary description for CReadDirectoriesAndFiles. /// </summary> /// <remarks></remarks> /// <copyright>Copyright � 2005 BSE</copyright> public abstract class ReadDirectoriesAndFiles { #region EventsPublic /// <summary> /// Represents the CancelReading method that will handle an event. /// </summary> public event System.EventHandler CancelReading; /// <summary> /// Represents the ReadingComplete method that will handle an event. /// </summary> public event System.EventHandler ReadingComplete; /// <summary> /// Represents the ReadDirectory method that will handle an event. /// </summary> public event EventHandler<ReadDirectoriesEventArgs> ReadDirectory; /// <summary> /// Represents the FoundDirectory method that will handle an event. /// </summary> public event EventHandler<ReadDirectoriesEventArgs> FoundDirectory; /// <summary> /// Represents the ReadFile method that will handle an event. /// </summary> public event EventHandler<ReadFilesEventArgs> ReadFile; /// <summary> /// Represents the FoundFile method that will handle an event. /// </summary> public event EventHandler<ReadFilesEventArgs> FoundFile; #endregion #region FieldsPrivate private System.Timers.Timer m_timer; private System.Windows.Forms.IWin32Window m_owner; private System.Threading.Thread m_threadReadDirectoriesAndFiles; #endregion #region Properties /// <summary> /// Gets the current thread /// </summary> public System.Threading.Thread Thread { get { return this.m_threadReadDirectoriesAndFiles; } set { this.m_threadReadDirectoriesAndFiles = value; } } /// <summary> /// Gets the Win32 HWND handle /// </summary> public System.Windows.Forms.IWin32Window Owner { get { return this.m_owner; } } /// <summary> /// Gets the current directoryinfo /// </summary> public DirectoryInfo DirectoryInfo { get; set; } #endregion #region MethodsPublic /// <summary> /// Cancels the current thread /// </summary> public void CancelRead() { if (this.m_timer != null) { this.m_timer.Stop(); } if (this.Thread != null) { this.Thread.Abort(); } OnCancelReading(new System.EventArgs()); } #endregion #region MethodsProtected /// <summary> /// default constructor of the CReadDirectoriesAndFiles class. /// </summary> protected ReadDirectoriesAndFiles(System.Windows.Forms.IWin32Window owner) { this.m_owner = owner; if (this.m_timer == null) { this.m_timer = new System.Timers.Timer(); this.m_timer.Elapsed += this.TimerElapsed; this.m_timer.Enabled = true; } this.m_timer.Start(); } /// <summary> /// Raises the CancelReading event. /// </summary> /// <param name="e">An EventArgs that contains the event data.</param> protected void OnCancelReading(System.EventArgs e) { if (CancelReading != null) { CancelReading(this,e); } } /// <summary> /// Raises the ReadingComplete event. /// </summary> /// <param name="e">An EventArgs that contains the event data.</param> protected virtual void OnReadingComplete(System.EventArgs e) { if (ReadingComplete != null) { ReadingComplete(this,e); } } /// <summary> /// Raises the ReadDirectory event. /// </summary> /// <param name="e">An ReadDirectoriesEventArgs that contains the event data.</param> protected virtual void OnReadDirectory(ReadDirectoriesEventArgs e) { if (ReadDirectory != null) { ReadDirectory(this, e); } } /// <summary> /// Raises the FoundDirectory event. /// </summary> /// <param name="e">An ReadDirectoriesEventArgs that contains the event data.</param> protected virtual void OnFoundDirectory(ReadDirectoriesEventArgs e) { if (FoundDirectory != null) { FoundDirectory(this, e); } } /// <summary> /// Raises the ReadFile event. /// </summary> /// <param name="e">An ReadFilesEventArgs that contains the event data.</param> protected virtual void OnReadFile(ReadFilesEventArgs e) { if (ReadFile != null) { ReadFile(this, e); } } /// <summary> /// Raises the FoundFile event. /// </summary> /// <param name="e">An ReadFilesEventArgs that contains the event data.</param> protected virtual void OnFoundFile(ReadFilesEventArgs e) { if (FoundFile != null) { FoundFile(this, e); } } #endregion #region MethodsPrivate private void TimerElapsed(object sender, System.Timers.ElapsedEventArgs e) { if (this.Thread != null) { if (this.Thread.ThreadState == System.Threading.ThreadState.Stopped) { this.m_timer.Stop(); OnReadingComplete(new System.EventArgs()); } } } #endregion } }
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