00001 /* 00002 Copyright (c) 2010, The Cinder Project (http://libcinder.org) 00003 All rights reserved. 00004 00005 Redistribution and use in source and binary forms, with or without modification, are permitted provided that 00006 the following conditions are met: 00007 00008 * Redistributions of source code must retain the above copyright notice, this list of conditions and 00009 the following disclaimer. 00010 * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 00011 the following disclaimer in the documentation and/or other materials provided with the distribution. 00012 00013 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED 00014 WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A 00015 PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR 00016 ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 00017 TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 00018 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 00019 NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 00020 POSSIBILITY OF SUCH DAMAGE. 00021 */ 00022 00023 #pragma once 00024 00025 #include "cinder/Cinder.h" 00026 00027 #include <algorithm> 00028 #include <map> 00029 00030 #if defined( _MSC_VER ) && ( _MSC_VER >= 1600 ) 00031 #include <functional> 00032 #else 00033 #include <boost/tr1/functional.hpp> 00034 #endif 00035 namespace std { 00036 using std::tr1::function; 00037 } 00038 00039 namespace cinder { 00040 00042 typedef uint32_t CallbackId; 00043 00045 template<typename SIG> 00046 class CallbackMgr { 00047 private: 00048 std::map<CallbackId,std::function<SIG> > mCallbacks; 00049 00050 public: 00051 typedef typename std::map<CallbackId,std::function<SIG> >::iterator iterator; 00052 00053 CallbackId registerCb( std::function<SIG> cb ) 00054 { 00055 CallbackId cbId = 0; 00056 if( ! mCallbacks.empty() ) 00057 cbId = mCallbacks.rbegin()->first + 1; 00058 mCallbacks[cbId] = cb; 00059 return cbId; 00060 } 00061 00062 template<typename A1> 00063 void call( A1 a1 ) { for( iterator it = begin(); it != end(); ++it ) it->second( a1 ); } 00064 template<typename A1, typename A2> 00065 void call( A1 a1, A2 a2 ) { for( iterator it = begin(); it != end(); ++it ) it->second( a1, a2 ); } 00066 template<typename A1, typename A2, typename A3> 00067 void call( A1 a1, A2 a2, A3 a3 ) { for( iterator it = begin(); it != end(); ++it ) it->second( a1, a2, a3 ); } 00068 template<typename A1, typename A2, typename A3, typename A4> 00069 void call( A1 a1, A2 a2, A3 a3, A4 a4 ) { for( iterator it = begin(); it != end(); ++it ) it->second( a1, a2, a3, a4 ); } 00070 template<typename A1, typename A2, typename A3, typename A4, typename A5> 00071 void call( A1 a1, A2 a2, A3 a3, A4 a4, A5 a5 ) { for( iterator it = begin(); it != end(); ++it ) it->second( a1, a2, a3, a4, a5 ); } 00072 00073 void unregisterCb( CallbackId cbId ) { mCallbacks.erase( cbId ); } 00074 00075 bool empty() const { return mCallbacks.empty(); } 00076 00077 iterator begin() { return mCallbacks.begin(); } 00078 iterator end() { return mCallbacks.end(); } 00079 }; 00080 00081 } // namespace cinder