update for HEAD-2003091401

[reactos.git] / subsys / system / explorer / Seashell / SeaShellExt / ShellDetails.cpp

diff --git a/subsys/system/explorer/Seashell/SeaShellExt/ShellDetails.cpp b/subsys/system/explorer/Seashell/SeaShellExt/ShellDetails.cpp
new file mode 100644 (file)
index 0000000..8ea0957
--- /dev/null
+++ b/subsys/system/explorer/Seashell/SeaShellExt/ShellDetails.cpp
@@ -0,0 +1,96 @@
+//*******************************************************************************
+// COPYRIGHT NOTES
+// ---------------
+// You may use this source code, compile or redistribute it as part of your application 
+// for free. You cannot redistribute it as a part of a software development 
+// library without the agreement of the author. If the sources are 
+// distributed along with the application, you should leave the original 
+// copyright notes in the source code without any changes.
+// This code can be used WITHOUT ANY WARRANTIES at your own risk.
+// 
+// For the latest updates to this code, check this site:
+// http://www.masmex.com 
+// after Sept 2000
+// 
+// Copyright(C) 2000 Philip Oldaker <email: philip@masmex.com>
+//*******************************************************************************
+
+#include "stdafx.h"
+#include "ShellDetails.h"
+
+HRESULT CShellDetails::GetDetailsOf(LPCITEMIDLIST pidl,UINT iColumn,LPSHELLDETAILS pDetail)
+{
+       HRESULT hr=E_FAIL;
+       if (m_pUnk == NULL)
+               return hr;
+       IShellFolder2 *pShellFolder2=NULL;
+       hr = m_pUnk->QueryInterface(IID_IShellFolder2,(LPVOID*)&pShellFolder2);
+       if (SUCCEEDED(hr))
+       {
+               hr = pShellFolder2->GetDetailsOf(pidl,iColumn,pDetail);
+               pShellFolder2->Release();
+       }
+       else 
+       {
+               IShellDetails *pShellDetails=NULL;
+               hr = m_pUnk->QueryInterface(IID_IShellDetails,(LPVOID*)&pShellDetails);
+               if (SUCCEEDED(hr))
+               {
+                       hr = pShellDetails->GetDetailsOf(pidl,iColumn,pDetail);
+                       pShellDetails->Release();
+               }
+       }
+       return hr;
+}
+
+bool CShellDetails::IsValidDetails()
+{
+       return m_pUnk != NULL;
+}
+
+void CShellDetails::SetShellDetails(IUnknown *pUnk)
+{
+       FreeInterfaces();
+       if (pUnk)
+       {
+               m_pUnk = pUnk;
+               m_pUnk->AddRef();
+       }
+}
+
+CShellDetails::CShellDetails(const CShellDetails &rOther)
+ :     m_pUnk(rOther.m_pUnk)
+{
+       m_pUnk->AddRef();
+}
+
+const CShellDetails &CShellDetails::operator=(const CShellDetails &rOther)
+{
+       if (this == &rOther)
+               return *this;
+
+       FreeInterfaces();
+       m_pUnk = rOther.m_pUnk;
+       m_pUnk->AddRef();
+
+       return *this;
+}
+
+void CShellDetails::FreeInterfaces()
+{
+       if (m_pUnk)
+       {
+               m_pUnk->Release();
+               m_pUnk = NULL;
+       }
+}
+
+CShellDetails::CShellDetails()
+{
+       m_pUnk = NULL;
+}
+
+CShellDetails::~CShellDetails()
+{
+       FreeInterfaces();
+}