SlimDXc_Jun2010(VC++2008)/source/ComObject.cpp

   1 #include "stdafx.h"\r
   2 /*\r
   3 * Copyright (c) 2007-2010 SlimDX Group\r
   4 * \r
   5 * Permission is hereby granted, free of charge, to any person obtaining a copy\r
   6 * of this software and associated documentation files (the "Software"), to deal\r
   7 * in the Software without restriction, including without limitation the rights\r
   8 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\r
   9 * copies of the Software, and to permit persons to whom the Software is\r
  10 * furnished to do so, subject to the following conditions:\r
  11 * \r
  12 * The above copyright notice and this permission notice shall be included in\r
  13 * all copies or substantial portions of the Software.\r
  14 * \r
  15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r
  16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r
  17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\r
  18 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r
  19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\r
  20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\r
  21 * THE SOFTWARE.\r
  22 */\r
  23 \r
  24 #include "ComObject.h"\r
  25 #include "Configuration.h"\r
  26 \r
  27 using namespace System;\r
  28 \r
  29 namespace SlimDX\r
  30 {\r
  31         ComObject::ComObject()\r
  32         {\r
  33         }\r
  34 \r
  35         ComObject::~ComObject()\r
  36         {\r
  37                 if( m_Owner != nullptr )\r
  38                         return;\r
  39 \r
  40                 Destruct();\r
  41         }\r
  42 \r
  43         bool ComObject::Disposed::get()\r
  44         {\r
  45                 if( m_Unknown == 0 )\r
  46                         return true;\r
  47 \r
  48                 if( !ObjectTable::Contains( this ) )\r
  49                         return true;\r
  50 \r
  51                 return false;\r
  52         }\r
  53         \r
  54         IntPtr ComObject::ComPointer::get()\r
  55         {\r
  56                 return IntPtr( m_Unknown );\r
  57         }\r
  58 \r
  59         ComObject^ ComObject::Owner::get()\r
  60         {\r
  61                 return m_Owner;\r
  62         }\r
  63         \r
  64         void ComObject::Owner::set( ComObject^ value )\r
  65         {\r
  66                 m_Owner = value;\r
  67         }\r
  68 \r
  69         IUnknown* ComObject::UnknownPointer::get()\r
  70         {\r
  71                 return m_Unknown;\r
  72         }\r
  73         \r
  74         IUnknown* ComObject::InternalPointer::get()\r
  75         {\r
  76                 return m_Unknown;\r
  77         }\r
  78         \r
  79         void ComObject::SetFlags( ComObjectFlags flags )\r
  80         {\r
  81                 m_Flags = flags;\r
  82         }\r
  83         \r
  84         void ComObject::SetSource( System::Diagnostics::StackTrace^ stack )\r
  85         {\r
  86                 m_Source = stack;\r
  87         }\r
  88 \r
  89         System::Diagnostics::StackTrace^ ComObject::CreationSource::get()\r
  90         {\r
  91                 return m_Source;\r
  92         }\r
  93 \r
  94         void ComObject::SetCreationTime( int time )\r
  95         {\r
  96                 m_CreationTime = time;\r
  97         }\r
  98 \r
  99         int ComObject::CreationTime::get()\r
 100         {\r
 101                 return m_CreationTime;\r
 102         }\r
 103         \r
 104         void ComObject::Construct( IUnknown* pointer )\r
 105         {\r
 106                 Construct( pointer, nullptr );\r
 107         }\r
 108         \r
 109         void ComObject::Construct( IUnknown* pointer, ComObject^ owner )\r
 110         {\r
 111                 if( pointer == 0 )\r
 112                         throw gcnew ArgumentNullException( "pointer" );\r
 113 \r
 114                 m_Unknown = pointer;\r
 115                 ObjectTable::Add( this, owner );\r
 116         }\r
 117 \r
 118         void ComObject::Construct( IntPtr pointer, Guid guid )\r
 119         {\r
 120                 if( pointer == IntPtr::Zero )\r
 121                         throw gcnew ArgumentNullException( "pointer" );\r
 122 \r
 123                 void* result = 0;\r
 124                 IUnknown* unknown = static_cast<IUnknown*>( pointer.ToPointer() );\r
 125                 HRESULT hr = unknown->QueryInterface( Utilities::ConvertManagedGuid( guid ), &result );\r
 126                 if( FAILED( hr ) )\r
 127                         throw gcnew InvalidCastException( "Failed to QueryInterface on user-supplied pointer." );\r
 128 \r
 129                 Construct( unknown );\r
 130         }\r
 131 \r
 132         void ComObject::Destruct()\r
 133         {\r
 134                 if( m_Unknown == 0 || !ObjectTable::Remove( this ) )\r
 135                 {\r
 136                         // test for CreationTime is to avoid throwing ObjectDisposedException when\r
 137                         // a constructor for an object fails\r
 138                         if( Configuration::DetectDoubleDispose && CreationTime != 0 )\r
 139                         {\r
 140                                 Type^ myType = GetType();\r
 141                                 throw gcnew ObjectDisposedException( myType->FullName );\r
 142                         }\r
 143                 }\r
 144                 else\r
 145                 {\r
 146                         if( static_cast<int>( m_Flags & ComObjectFlags::IsAncillary ) == 0 )\r
 147                                 m_Unknown->Release();\r
 148 \r
 149                         m_Unknown = 0;\r
 150                 }\r
 151         }\r
 152 }