Xune/UIX.RenderApi.Skia/Microsoft/Iris/Render/Protocols/Splash/Desktop/Nt/RemoteDesktopManager.cs

// Decompiled with JetBrains decompiler
// Type: Microsoft.Iris.Render.Protocols.Splash.Desktop.Nt.RemoteDesktopManager
// 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.Common;
using Microsoft.Iris.Render.Internal;
using Microsoft.Iris.Render.Protocol;
using System.Runtime.InteropServices;

namespace Microsoft.Iris.Render.Protocols.Splash.Desktop.Nt
{
  internal class RemoteDesktopManager : RemoteObject
  {
    private static ushort[] s_priv_ByteOrder_Msg2_Create;
    private static ushort[] s_priv_ByteOrder_Msg0_RebuildMonitorCache;
    private static ushort[] s_priv_ByteOrder_Msg1_ChangeFullScreenMode;

    protected RemoteDesktopManager()
    {
    }

    public static unsafe RemoteDesktopManager Create(
      ProtocolSplashDesktopNt _priv_protocolInstance,
      IRenderHandleOwner _priv_owner,
      LocalDesktopManagerCallback cb,
      bool fEnumDisplayModes)
    {
      RenderPort port = _priv_protocolInstance.Port;
      RENDERHANDLE managerClassHandle = _priv_protocolInstance.DesktopManager_ClassHandle;
      RemoteDesktopManager remoteDesktopManager = new RemoteDesktopManager(port, _priv_owner);
      uint num = (uint) sizeof (RemoteDesktopManager.Msg2_Create);
      // ISSUE: untyped stack allocation
      byte* pMem = (byte*) __untypedstackalloc(1 * (int) num);
      RemoteDesktopManager.Msg2_Create* msg2CreatePtr = (RemoteDesktopManager.Msg2_Create*) pMem;
      msg2CreatePtr->_priv_size = num;
      msg2CreatePtr->_priv_msgid = 2U;
      msg2CreatePtr->_priv_objcb = cb.RenderHandle;
      msg2CreatePtr->_priv_ctxcb = port.Session.LocalContext;
      msg2CreatePtr->fEnumDisplayModes = fEnumDisplayModes ? uint.MaxValue : 0U;
      msg2CreatePtr->_priv_idObjectSubject = remoteDesktopManager.m_renderHandle;
      if (port.ForeignByteOrder)
        MarshalHelper.SwapByteOrder(pMem, ref RemoteDesktopManager.s_priv_ByteOrder_Msg2_Create, typeof (RemoteDesktopManager.Msg2_Create), 0, 0);
      port.CreateRemoteObject(managerClassHandle, remoteDesktopManager.m_renderHandle, (Message*) msg2CreatePtr);
      return remoteDesktopManager;
    }

    public unsafe void BuildRebuildMonitorCache(
      out RenderPort _priv_portUse,
      out Message* _priv_pmsgUse)
    {
      Debug2.Throw(this.IsValid, "Non-static method call requires an instance");
      _priv_portUse = this.m_renderPort;
      _priv_portUse.ValidateHandle(this.m_renderHandle);
      uint size = (uint) sizeof (RemoteDesktopManager.Msg0_RebuildMonitorCache);
      RemoteDesktopManager.Msg0_RebuildMonitorCache* rebuildMonitorCachePtr = (RemoteDesktopManager.Msg0_RebuildMonitorCache*) _priv_portUse.AllocMessageBuffer(size);
      rebuildMonitorCachePtr->_priv_size = size;
      rebuildMonitorCachePtr->_priv_msgid = 0U;
      rebuildMonitorCachePtr->_priv_idObjectSubject = this.m_renderHandle;
      if (_priv_portUse.ForeignByteOrder)
        MarshalHelper.SwapByteOrder((byte*) rebuildMonitorCachePtr, ref RemoteDesktopManager.s_priv_ByteOrder_Msg0_RebuildMonitorCache, typeof (RemoteDesktopManager.Msg0_RebuildMonitorCache), 0, 0);
      _priv_pmsgUse = (Message*) rebuildMonitorCachePtr;
    }

    public unsafe void SendRebuildMonitorCache()
    {
      RenderPort _priv_portUse;
      Message* _priv_pmsgUse;
      this.BuildRebuildMonitorCache(out _priv_portUse, out _priv_pmsgUse);
      _priv_portUse.SendRemoteMessage(_priv_pmsgUse);
    }

    public unsafe void BuildChangeFullScreenMode(
      out RenderPort _priv_portUse,
      out Message* _priv_pmsgUse,
      uint idDisplay,
      RenderDisplayMode mode,
      bool fTvMode)
    {
      Debug2.Throw(this.IsValid, "Non-static method call requires an instance");
      _priv_portUse = this.m_renderPort;
      _priv_portUse.ValidateHandle(this.m_renderHandle);
      uint size = (uint) sizeof (RemoteDesktopManager.Msg1_ChangeFullScreenMode);
      RemoteDesktopManager.Msg1_ChangeFullScreenMode* changeFullScreenModePtr = (RemoteDesktopManager.Msg1_ChangeFullScreenMode*) _priv_portUse.AllocMessageBuffer(size);
      changeFullScreenModePtr->_priv_size = size;
      changeFullScreenModePtr->_priv_msgid = 1U;
      changeFullScreenModePtr->idDisplay = idDisplay;
      changeFullScreenModePtr->mode = mode;
      changeFullScreenModePtr->fTvMode = fTvMode ? uint.MaxValue : 0U;
      changeFullScreenModePtr->_priv_idObjectSubject = this.m_renderHandle;
      if (_priv_portUse.ForeignByteOrder)
        MarshalHelper.SwapByteOrder((byte*) changeFullScreenModePtr, ref RemoteDesktopManager.s_priv_ByteOrder_Msg1_ChangeFullScreenMode, typeof (RemoteDesktopManager.Msg1_ChangeFullScreenMode), 0, 0);
      _priv_pmsgUse = (Message*) changeFullScreenModePtr;
    }

    public unsafe void SendChangeFullScreenMode(
      uint idDisplay,
      RenderDisplayMode mode,
      bool fTvMode)
    {
      RenderPort _priv_portUse;
      Message* _priv_pmsgUse;
      this.BuildChangeFullScreenMode(out _priv_portUse, out _priv_pmsgUse, idDisplay, mode, fTvMode);
      _priv_portUse.SendRemoteMessage(_priv_pmsgUse);
    }

    public static RemoteDesktopManager CreateFromHandle(
      RenderPort port,
      RENDERHANDLE handle)
    {
      return new RemoteDesktopManager(port, handle, true);
    }

    public static RemoteDesktopManager CreateFromExternalHandle(
      RenderPort port,
      RENDERHANDLE handle,
      IRenderHandleOwner owner)
    {
      port.RegisterKnownHandle(owner, handle);
      return new RemoteDesktopManager(port, handle, false);
    }

    protected RemoteDesktopManager(RenderPort port, RENDERHANDLE handle, bool fFreeOnDispose)
      : base(port, handle, fFreeOnDispose)
    {
    }

    protected RemoteDesktopManager(RenderPort port, IRenderHandleOwner owner)
      : base(port, owner)
    {
    }

    public override bool Equals(object other) => other is RemoteDesktopManager && this.m_renderHandle == ((RemoteObject) other).m_renderHandle;

    public override int GetHashCode() => base.GetHashCode();

    [ComVisible(false)]
    private struct Msg2_Create
    {
      public uint _priv_size;
      public uint _priv_msgid;
      public RENDERHANDLE _priv_idObjectSubject;
      public RENDERHANDLE _priv_objcb;
      public ContextID _priv_ctxcb;
      public uint fEnumDisplayModes;
    }

    [ComVisible(false)]
    private struct Msg0_RebuildMonitorCache
    {
      public uint _priv_size;
      public uint _priv_msgid;
      public RENDERHANDLE _priv_idObjectSubject;
    }

    [ComVisible(false)]
    private struct Msg1_ChangeFullScreenMode
    {
      public uint _priv_size;
      public uint _priv_msgid;
      public RENDERHANDLE _priv_idObjectSubject;
      public uint idDisplay;
      public RenderDisplayMode mode;
      public uint fTvMode;
    }
  }
}