Xune/UIX.RenderApi.Skia/Microsoft/Iris/Render/Common/SharedResource.cs

// Decompiled with JetBrains decompiler
// Type: Microsoft.Iris.Render.Common.SharedResource
// Assembly: UIX.RenderApi, Version=4.8.0.0, Culture=neutral, PublicKeyToken=ddd0da4d3e678217
// MVID: D47658B8-A8EA-43D6-8837-ECE823BFFFC1
// Assembly location: C:\Program Files\Zune\UIX.RenderApi.dll

using Microsoft.Iris.Render.Internal;

namespace Microsoft.Iris.Render.Common
{
  internal abstract class SharedResource : SharedRenderObject
  {
    protected RenderSession m_session;
    private ResourceTracker m_resourceTracker;

    internal SharedResource(RenderSession session) => this.m_session = session;

    protected override void Dispose(bool fInDispose)
    {
      try
      {
        if (!fInDispose)
          return;
        ResourceTracker resourceTracker1 = this.m_resourceTracker;
        if (this.m_session == null || !this.m_session.IsValid)
          return;
        ResourceTracker resourceTracker2 = this.m_resourceTracker;
      }
      finally
      {
        base.Dispose(fInDispose);
      }
    }

    public bool InUse => this.m_resourceTracker != null && this.m_resourceTracker.InUse;

    public uint LastUsage => this.m_resourceTracker == null ? 0U : this.m_resourceTracker.LastUsage;

    public void AddActiveUser(object oUser)
    {
      if (this.m_resourceTracker == null)
        this.m_resourceTracker = new ResourceTracker(new ResourceTracker.UsageChangeHandler(this.OnUsageChange));
      this.m_resourceTracker.AddActiveUser(oUser);
    }

    public void RemoveActiveUser(object oUser)
    {
      this.m_resourceTracker.RemoveActiveUser(oUser);
      if (this.m_resourceTracker.InUse)
        return;
      this.m_resourceTracker = (ResourceTracker) null;
    }

    protected abstract void OnUsageChange(bool fUsed);
  }
}