/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project .
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License , v . 2 . 0 . If a copy of the MPL was not distributed with this
* file , You can obtain one at http : //mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice :
*
* Licensed to the Apache Software Foundation ( ASF ) under one or more
* contributor license agreements . See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership . The ASF licenses this file to you under the Apache
* License , Version 2 . 0 ( the " License " ) ; you may not use this file
* except in compliance with the License . You may obtain a copy of
* the License at http : //www.apache.org/licenses/LICENSE-2.0 .
*/
#include "idroptarget.hxx"
IDropTargetImpl::IDropTargetImpl( DropTarget& pTarget): m_nRefCount( 0 ),
m_rDropTarget( pTarget)
{
}
IDropTargetImpl::~IDropTargetImpl()
{
}
//IDropTarget
HRESULT STDMETHODCALLTYPE IDropTargetImpl::QueryInterface( REFIID riid, void **ppvObject)
{
if ( !ppvObject)
return E_POINTER;
*ppvObject= nullptr;
if ( riid == __uuidof( IUnknown))
*ppvObject= static_cast <IUnknown*>( this );
else if ( riid == __uuidof( IDropTarget))
*ppvObject= static_cast <IDropTarget*>( this );
if (*ppvObject)
{
AddRef();
return S_OK;
}
else
return E_NOINTERFACE;
}
ULONG STDMETHODCALLTYPE IDropTargetImpl::AddRef()
{
return InterlockedIncrement( &m_nRefCount);
}
ULONG STDMETHODCALLTYPE IDropTargetImpl::Release()
{
LONG count= InterlockedDecrement( &m_nRefCount);
if ( m_nRefCount == 0 )
delete this ;
return count;
}
STDMETHODIMP IDropTargetImpl::DragEnter( IDataObject __RPC_FAR *pDataObj,
DWORD grfKeyState,
POINTL pt,
DWORD *pdwEffect)
{
return m_rDropTarget.DragEnter( pDataObj, grfKeyState,
pt, pdwEffect);
}
STDMETHODIMP IDropTargetImpl::DragOver( DWORD grfKeyState,
POINTL pt,
DWORD *pdwEffect)
{
return m_rDropTarget.DragOver( grfKeyState, pt, pdwEffect);
}
STDMETHODIMP IDropTargetImpl::DragLeave()
{
return m_rDropTarget.DragLeave();
}
STDMETHODIMP IDropTargetImpl::Drop( IDataObject *pDataObj,
DWORD grfKeyState,
POINTL pt,
DWORD __RPC_FAR *pdwEffect)
{
return m_rDropTarget.Drop( pDataObj, grfKeyState,
pt, pdwEffect);
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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