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/* -*- 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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