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- using System;
-
- namespace SharpDX
- {
-
- // From SharpDX.Toolkit
-
- /// <summary>
- /// A disposable component base class.
- /// </summary>
- public abstract class Component : ComponentBase, IDisposable
- {
- /// <summary>
- /// Gets or sets the disposables.
- /// </summary>
- /// <value>The disposables.</value>
- protected DisposeCollector DisposeCollector { get; set; }
-
- /// <summary>
- /// Initializes a new instance of the <see cref="Component"/> class.
- /// </summary>
- protected internal Component()
- {
- }
-
- /// <summary>
- /// Initializes a new instance of the <see cref="Component" /> class with an immutable name.
- /// </summary>
- /// <param name="name">The name.</param>
- protected Component(string name) : base(name)
- {
- }
-
- /// <summary>
- /// Gets or sets a value indicating whether this instance is attached to a collector.
- /// </summary>
- /// <value>
- /// <c>true</c> if this instance is attached to a collector; otherwise, <c>false</c>.
- /// </value>
- internal bool IsAttached { get; set; }
-
- /// <summary>
- /// Gets a value indicating whether this instance is disposed.
- /// </summary>
- /// <value>
- /// <c>true</c> if this instance is disposed; otherwise, <c>false</c>.
- /// </value>
- protected internal bool IsDisposed { get; private set; }
-
- protected internal bool IsDisposing { get; private set; }
-
- /// <summary>
- /// Occurs when when Dispose is called.
- /// </summary>
- public event EventHandler<EventArgs> Disposing;
-
- /// <summary>
- /// Releases unmanaged and - optionally - managed resources
- /// </summary>
- public void Dispose()
- {
- if (!IsDisposed)
- {
- IsDisposing = true;
-
- // Call the disposing event.
- var handler = Disposing;
- if (handler != null)
- {
- handler(this, EventArgs.Empty);
- }
-
- Dispose(true);
- IsDisposed = true;
- }
- }
-
- /// <summary>
- /// Disposes of object resources.
- /// </summary>
- /// <param name="disposeManagedResources">If true, managed resources should be
- /// disposed of in addition to unmanaged resources.</param>
- protected virtual void Dispose(bool disposeManagedResources)
- {
- if (disposeManagedResources)
- {
- // Dispose all ComObjects
- if (DisposeCollector != null)
- DisposeCollector.Dispose();
- DisposeCollector = null;
- }
- }
-
- /// <summary>
- /// Adds a disposable object to the list of the objects to dispose.
- /// </summary>
- /// <param name="toDisposeArg">To dispose.</param>
- protected internal T ToDispose<T>(T toDisposeArg)
- {
- if (!ReferenceEquals(toDisposeArg, null))
- {
- if (DisposeCollector == null)
- DisposeCollector = new DisposeCollector();
- return DisposeCollector.Collect(toDisposeArg);
- }
- return default(T);
- }
-
- /// <summary>
- /// Dispose a disposable object and set the reference to null. Removes this object from the ToDispose list.
- /// </summary>
- /// <param name="objectToDispose">Object to dispose.</param>
- protected internal void RemoveAndDispose<T>(ref T objectToDispose)
- {
- if (!ReferenceEquals(objectToDispose, null) && DisposeCollector != null)
- DisposeCollector.RemoveAndDispose(ref objectToDispose);
- }
-
- /// <summary>
- /// Removes a disposable object to the list of the objects to dispose.
- /// </summary>
- /// <typeparam name="T"></typeparam>
- /// <param name="toDisposeArg">To dispose.</param>
- protected internal void RemoveToDispose<T>(T toDisposeArg)
- {
- if (!ReferenceEquals(toDisposeArg, null) && DisposeCollector != null)
- DisposeCollector.Remove(toDisposeArg);
- }
- }
- }
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