1 /* 2 * Copyright (C) 2007 Apple Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of 14 * its contributors may be used to endorse or promote products derived 15 * from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY 18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY 21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #ifndef DraggingInfo_h 30 #define DraggingInfo_h 31 32 #include <objidl.h> 33 34 class DraggingInfo { 35 public: DraggingInfo(IDataObject * object,IDropSource * source)36 DraggingInfo(IDataObject* object, IDropSource* source) 37 : m_object(object) 38 , m_source(source) 39 { 40 m_object->AddRef(); 41 m_source->AddRef(); 42 } 43 ~DraggingInfo()44 ~DraggingInfo() 45 { 46 if (m_object) 47 m_object->Release(); 48 m_object = 0; 49 if (m_source) 50 m_source->Release(); 51 m_source = 0; 52 } 53 dataObject()54 IDataObject* dataObject() const { return m_object; } dropSource()55 IDropSource* dropSource() const { return m_source; } 56 57 private: 58 IDataObject* m_object; 59 IDropSource* m_source; 60 }; 61 62 #endif // !defined(DraggingInfo_h) 63