Leaked source code of windows server 2003
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596 lines
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//////////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 1999-2001 Microsoft Corporation
//
// Module Name:
// CPINotifyUI.cpp
//
// Description:
// INotifyUI Connection Point implementation.
//
// Maintained By:
// David Potter (DavidP) 14-JUN-2001
// Geoffrey Pease (GPease) 04-AUG-2000
//
//////////////////////////////////////////////////////////////////////////////
#include "Pch.h"
#include "CPINotifyUI.h"
#include "EnumCPINotifyUI.h"
DEFINE_THISCLASS("CCPINotifyUI")
// ************************************************************************
//
// Constructor / Destructor
//
// ************************************************************************
//////////////////////////////////////////////////////////////////////////////
//
// HRESULT
// CCPINotifyUI::S_HrCreateInstance(
// IUnknown ** ppunkOut
// )
//
//////////////////////////////////////////////////////////////////////////////
HRESULT
CCPINotifyUI::S_HrCreateInstance(
IUnknown ** ppunkOut
)
{
TraceFunc( "" );
HRESULT hr = S_OK;
CCPINotifyUI * pcc = NULL;
Assert( ppunkOut != NULL );
if ( ppunkOut == NULL )
{
hr = THR( E_POINTER );
goto Cleanup;
}
pcc = new CCPINotifyUI();
if ( pcc == NULL )
{
hr = THR( E_OUTOFMEMORY );
goto Cleanup;
}
hr = THR( pcc->HrInit() );
if ( FAILED( hr ) )
{
goto Cleanup;
}
hr = THR( pcc->TypeSafeQI( IUnknown, ppunkOut ) );
if ( FAILED( hr ) )
{
goto Cleanup;
}
Cleanup:
if ( pcc != NULL )
{
pcc->Release();
}
HRETURN( hr );
} //*** CCPINotifyUI::S_HrCreateInstance
//////////////////////////////////////////////////////////////////////////////
//++
//
// CCPINotifyUI::CCPINotifyUI
//
// Description:
// Default constructor.
//
// Arguments:
// None.
//
// Return Values:
// None.
//
//--
//////////////////////////////////////////////////////////////////////////////
CCPINotifyUI::CCPINotifyUI( void )
: m_cRef( 1 )
{
TraceFunc( "" );
InterlockedIncrement( &g_cObjects );
TraceFuncExit();
} //*** CCPINotifyUI::CCPINotifyUI
//////////////////////////////////////////////////////////////////////////////
//
// STDMETHODIMP
// CCPINotifyUI::HrInit
//
//////////////////////////////////////////////////////////////////////////////
STDMETHODIMP
CCPINotifyUI::HrInit( void )
{
TraceFunc( "" );
HRESULT hr = S_OK;
// IUnknown stuff
Assert( m_cRef == 1 );
// IConnectionPoint
Assert( m_penum == NULL );
m_penum = new CEnumCPINotifyUI();
if ( m_penum == NULL )
{
hr = THR( E_OUTOFMEMORY );
goto Cleanup;
} // if:
hr = THR( m_penum->HrInit() );
if ( FAILED( hr ) )
{
goto Cleanup;
} // if:
// INotifyUI
Cleanup:
HRETURN( hr );
} //*** CCPINotifyUI::HrInit
//////////////////////////////////////////////////////////////////////////////
//
// CCPINotifyUI::~CCPINotifyUI
//
//////////////////////////////////////////////////////////////////////////////
CCPINotifyUI::~CCPINotifyUI( void )
{
TraceFunc( "" );
if ( m_penum != NULL )
{
m_penum->Release();
} // if:
InterlockedDecrement( &g_cObjects );
TraceFuncExit();
} //*** CCPINotifyUI::~CCPINotifyUI
// ************************************************************************
//
// IUnknown
//
// ************************************************************************
//////////////////////////////////////////////////////////////////////////////
//++
//
// CCPINotifyUI::QueryInterface
//
// Description:
// Query this object for the passed in interface.
//
// Arguments:
// riidIn
// Id of interface requested.
//
// ppvOut
// Pointer to the requested interface.
//
// Return Value:
// S_OK
// If the interface is available on this object.
//
// E_NOINTERFACE
// If the interface is not available.
//
// E_POINTER
// ppvOut was NULL.
//
// Remarks:
// None.
//
//--
//////////////////////////////////////////////////////////////////////////////
STDMETHODIMP
CCPINotifyUI::QueryInterface(
REFIID riidIn
, LPVOID * ppvOut
)
{
TraceQIFunc( riidIn, ppvOut );
HRESULT hr = S_OK;
//
// Validate arguments.
//
Assert( ppvOut != NULL );
if ( ppvOut == NULL )
{
hr = THR( E_POINTER );
goto Cleanup;
}
//
// Handle known interfaces.
//
if ( IsEqualIID( riidIn, IID_IUnknown ) )
{
*ppvOut = static_cast< IConnectionPoint * >( this );
} // if: IUnknown
else if ( IsEqualIID( riidIn, IID_IConnectionPoint ) )
{
*ppvOut = TraceInterface( __THISCLASS__, IConnectionPoint, this, 0 );
} // else if: IConnectionPoint
else if ( IsEqualIID( riidIn, IID_INotifyUI ) )
{
*ppvOut = TraceInterface( __THISCLASS__, INotifyUI, this, 0 );
} // else if: INotifyUI
else
{
*ppvOut = NULL;
hr = E_NOINTERFACE;
} // else
//
// Add a reference to the interface if successful.
//
if ( SUCCEEDED( hr ) )
{
((IUnknown*) *ppvOut)->AddRef();
} // if: success
Cleanup:
QIRETURN_IGNORESTDMARSHALLING( hr, riidIn );
} //*** CCPINotifyUI::QueryInterface
//////////////////////////////////////////////////////////////////////////////
//
// STDMETHODIMP_(ULONG)
// CCPINotifyUI::AddRef
//
//////////////////////////////////////////////////////////////////////////////
STDMETHODIMP_( ULONG )
CCPINotifyUI::AddRef( void )
{
TraceFunc( "[IUnknown]" );
InterlockedIncrement( &m_cRef );
CRETURN( m_cRef );
} //*** CCPINotifyUI::AddRef
//////////////////////////////////////////////////////////////////////////////
//
// STDMETHODIMP_(ULONG)
// CCPINotifyUI::Release
//
//////////////////////////////////////////////////////////////////////////////
STDMETHODIMP_( ULONG )
CCPINotifyUI::Release( void )
{
TraceFunc( "[IUnknown]" );
LONG cRef;
cRef = InterlockedDecrement( &m_cRef );
if ( cRef == 0 )
{
TraceDo( delete this );
}
CRETURN( cRef );
} //*** CCPINotifyUI::Release
// ************************************************************************
//
// IConnectionPoint
//
// ************************************************************************
//////////////////////////////////////////////////////////////////////////////
//
// STDMETHODIMP
// CCPINotifyUI::GetConnectionInterface(
// IID * pIIDOut
// )
//
//////////////////////////////////////////////////////////////////////////////
STDMETHODIMP
CCPINotifyUI::GetConnectionInterface(
IID * pIIDOut
)
{
TraceFunc( "[IConnectionPoint] pIIDOut" );
HRESULT hr = S_OK;
if ( pIIDOut == NULL )
goto InvalidPointer;
*pIIDOut = IID_INotifyUI;
Cleanup:
HRETURN( hr );
InvalidPointer:
hr = THR( E_POINTER );
goto Cleanup;
} //*** CCPINotifyUI::GetConnectionInterface
//////////////////////////////////////////////////////////////////////////////
//
// STDMETHODIMP
// CCPINotifyUI::GetConnectionPointContainer(
// IConnectionPointContainer * * ppcpcOut
// )
//
//////////////////////////////////////////////////////////////////////////////
STDMETHODIMP
CCPINotifyUI::GetConnectionPointContainer(
IConnectionPointContainer * * ppcpcOut
)
{
TraceFunc( "[IConnectionPoint] ppcpcOut" );
HRESULT hr;
IServiceProvider * psp = NULL;
hr = THR( CoCreateInstance( CLSID_ServiceManager,
NULL,
CLSCTX_INPROC_SERVER,
TypeSafeParams( IServiceProvider, &psp )
) );
if ( FAILED( hr ) )
goto Cleanup;
hr = THR( psp->TypeSafeQS( CLSID_NotificationManager,
IConnectionPointContainer,
ppcpcOut
) );
if ( FAILED( hr ) )
goto Cleanup;
Cleanup:
if ( psp != NULL )
{
psp->Release();
}
HRETURN( hr );
} //*** CCPINotifyUI::GetConnectionPointContainer
//////////////////////////////////////////////////////////////////////////////
//
// STDMETHODIMP
// CCPINotifyUI::Advise(
// IUnknown * pUnkSinkIn,
// DWORD * pdwCookieOut
// )
//
//////////////////////////////////////////////////////////////////////////////
STDMETHODIMP
CCPINotifyUI::Advise(
IUnknown * pUnkSinkIn,
DWORD * pdwCookieOut
)
{
TraceFunc( "[IConnectionPoint]" );
HRESULT hr;
if ( pdwCookieOut == NULL )
goto InvalidPointer;
if ( pUnkSinkIn == NULL )
goto InvalidArg;
Assert( m_penum != NULL );
hr = THR( m_penum->HrAddConnection( pUnkSinkIn, pdwCookieOut ) );
if ( FAILED( hr ) )
{
goto Cleanup;
} // if:
Cleanup:
HRETURN( hr );
InvalidPointer:
hr = THR( E_POINTER );
goto Cleanup;
InvalidArg:
hr = THR( E_INVALIDARG );
goto Cleanup;
} //*** CCPINotifyUI::Advise
//////////////////////////////////////////////////////////////////////////////
//
// STDMETHODIMP
// CCPINotifyUI::Unadvise(
// DWORD dwCookieIn
// )
//////////////////////////////////////////////////////////////////////////////
STDMETHODIMP
CCPINotifyUI::Unadvise(
DWORD dwCookieIn
)
{
TraceFunc1( "[IConncetionPoint] dwCookieIn = %#x", dwCookieIn );
HRESULT hr;
Assert( m_penum != NULL );
hr = THR( m_penum->HrRemoveConnection( dwCookieIn ) );
HRETURN( hr );
} //*** CCPINotifyUI::Unadvise
//////////////////////////////////////////////////////////////////////////////
//
// STDMETHODIMP
// CCPINotifyUI::EnumConnections(
// IEnumConnections * * ppEnumOut
// )
//
//////////////////////////////////////////////////////////////////////////////
STDMETHODIMP
CCPINotifyUI::EnumConnections(
IEnumConnections * * ppEnumOut
)
{
TraceFunc( "[IConnectionPoint] ppEnumOut" );
HRESULT hr;
if ( ppEnumOut == NULL )
{
hr = THR( E_POINTER );
goto Cleanup;
} // if:
hr = THR( m_penum->Clone( ppEnumOut ) );
Cleanup:
HRETURN( hr );
} //*** CCPINotifyUI::EnumConnections
//****************************************************************************
//
// INotifyUI
//
//****************************************************************************
//////////////////////////////////////////////////////////////////////////////
//
// STDMETHODIMP
// CCPINotifyUI::ObjectChanged(
// OBJECTCOOKIE cookieIn
// )
//
//////////////////////////////////////////////////////////////////////////////
STDMETHODIMP
CCPINotifyUI::ObjectChanged(
OBJECTCOOKIE cookieIn
)
{
TraceFunc1( "[INotifyUI] cookieIn = %ld", cookieIn );
CONNECTDATA cd = { NULL };
HRESULT hr;
INotifyUI * pnui;
IEnumConnections * pec = NULL;
hr = THR( m_penum->Clone( &pec ) );
if ( FAILED( hr ) )
{
LogMsg( L"[INotifyUI] Error cloning connection point enum. Cookie %ld. (hr=%#08x)", cookieIn, hr );
goto Cleanup;
} // if:
hr = THR( pec->Reset() );
if ( FAILED( hr ) )
{
LogMsg( L"[INotifyUI] Error reseting connection point enum. Cookie %ld. (hr=%#08x)", cookieIn, hr );
goto Cleanup;
} // if:
for ( ;; )
{
if ( cd.pUnk != NULL )
{
cd.pUnk->Release();
cd.pUnk = NULL;
} // if
hr = STHR( pec->Next( 1, &cd, NULL ) );
if ( FAILED( hr ) )
{
LogMsg( L"[INotifyUI] Error calling Next() on the enumerator. Cookie %ld. (hr=%#08x)", cookieIn, hr );
goto Cleanup;
} // if:
if ( hr == S_FALSE )
{
hr = S_OK;
break; // exit condition
} // if:
hr = THR( cd.pUnk->TypeSafeQI( INotifyUI, &pnui ) );
if ( FAILED( hr ) )
{
//
// Don't stop on error.
//
LogMsg( L"[INotifyUI] Error QI'ing for the INotifyUI interface. Cookie %ld. (hr=%#08x)", cookieIn, hr );
continue;
} // if:
hr = THR( pnui->ObjectChanged( cookieIn ) );
if ( FAILED( hr ) )
{
LogMsg( L"[INotifyUI] Error delivery object changed message for cookie %ld to connection point. (hr=%#08x)", cookieIn, hr );
} // if:
//
// Don't stop on error.
//
pnui->Release();
} // for:
hr = S_OK;
Cleanup:
if ( cd.pUnk != NULL )
{
cd.pUnk->Release();
} // if:
if ( pec != NULL )
{
pec->Release();
} // if:
HRETURN( hr );
} //*** CCPINotifyUI::ObjectChanged