00001 /******************************************************************************* 00002 * Copyright (C) 2001-2004 Vintela, Inc. All rights reserved. 00003 * 00004 * Redistribution and use in source and binary forms, with or without 00005 * modification, are permitted provided that the following conditions are met: 00006 * 00007 * - Redistributions of source code must retain the above copyright notice, 00008 * this list of conditions and the following disclaimer. 00009 * 00010 * - Redistributions in binary form must reproduce the above copyright notice, 00011 * this list of conditions and the following disclaimer in the documentation 00012 * and/or other materials provided with the distribution. 00013 * 00014 * - Neither the name of Vintela, Inc. nor the names of its 00015 * contributors may be used to endorse or promote products derived from this 00016 * software without specific prior written permission. 00017 * 00018 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS'' 00019 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00020 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 00021 * ARE DISCLAIMED. IN NO EVENT SHALL Vintela, Inc. OR THE CONTRIBUTORS 00022 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 00023 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 00024 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 00025 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 00026 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 00027 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 00028 * POSSIBILITY OF SUCH DAMAGE. 00029 *******************************************************************************/ 00030 00036 #ifndef OW_SELECT_ENGINE_HPP_ 00037 #define OW_SELECT_ENGINE_HPP_ 00038 #include "OW_config.h" 00039 #include "OW_SelectableIFC.hpp" 00040 #include "OW_SelectableCallbackIFC.hpp" 00041 #include "OW_Array.hpp" 00042 #include "OW_Exception.hpp" 00043 00044 // The classes and functions defined in this file are not meant for general 00045 // use, they are internal implementation details. They may change at any time. 00046 00047 namespace OW_NAMESPACE 00048 { 00049 00050 OW_DECLARE_APIEXCEPTION(Select, OW_COMMON_API) 00051 class OW_COMMON_API SelectEngine 00052 { 00053 public: 00054 void addSelectableObject(const SelectableIFCRef& obj, 00055 const SelectableCallbackIFCRef& cb); 00056 void go(); // Throws SelectException on error 00057 void stop(); 00058 private: 00059 00060 #ifdef OW_WIN32 00061 #pragma warning (push) 00062 #pragma warning (disable: 4251) 00063 #endif 00064 00065 Array<SelectableIFCRef> m_selectableObjs; 00066 Array<SelectableCallbackIFCRef> m_callbacks; 00067 00068 #ifdef OW_WIN32 00069 #pragma warning (pop) 00070 #endif 00071 00072 bool m_stopFlag; 00073 }; 00074 00075 class OW_COMMON_API SelectEngineStopper : public SelectableCallbackIFC 00076 { 00077 public: 00078 SelectEngineStopper(SelectEngine& engine); 00079 protected: 00080 virtual void doSelected(SelectableIFCRef& selectedObject); 00081 private: 00082 SelectEngine& m_engine; 00083 }; 00084 00085 } // end namespace OW_NAMESPACE 00086 00087 #endif