1 /* 2 * Copyright (C) 2011 Google 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 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 16 * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY 17 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 18 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 19 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 20 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 22 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 23 */ 24 #ifndef CCMainThreadTask_h 25 #define CCMainThreadTask_h 26 27 #include "CCMainThread.h" 28 #include "CrossThreadCopier.h" 29 #include "CrossThreadTask.h" 30 #include <wtf/PassOwnPtr.h> 31 #include <wtf/PassRefPtr.h> 32 33 namespace WebCore { 34 35 template<typename T> 36 class MainThreadTask0 : public CCMainThread::Task { 37 public: 38 typedef void (T::*Method)(); 39 typedef MainThreadTask0<T> MainThreadTaskImpl; 40 41 static PassOwnPtr<MainThreadTaskImpl> create(T* instance, Method method) 42 { 43 return adoptPtr(new MainThreadTaskImpl(instance, method)); 44 } 45 46 private: 47 MainThreadTask0(T* instance, Method method) 48 : CCMainThread::Task(instance) 49 , m_method(method) 50 { 51 } 52 53 virtual void performTask() 54 { 55 (*static_cast<T*>(instance()).*m_method)(); 56 } 57 58 private: 59 Method m_method; 60 }; 61 62 template<typename T, typename P1, typename MP1> 63 class MainThreadTask1 : public CCMainThread::Task { 64 public: 65 typedef void (T::*Method)(MP1); 66 typedef MainThreadTask1<T, P1, MP1> MainThreadTaskImpl; 67 typedef typename CrossThreadTaskTraits<P1>::ParamType Param1; 68 69 static PassOwnPtr<MainThreadTaskImpl> create(T* instance, Method method, Param1 parameter1) 70 { 71 return adoptPtr(new MainThreadTaskImpl(instance, method, parameter1)); 72 } 73 74 private: 75 MainThreadTask1(T* instance, Method method, Param1 parameter1) 76 : CCMainThread::Task(instance) 77 , m_method(method) 78 , m_parameter1(parameter1) 79 { 80 } 81 82 virtual void performTask() 83 { 84 (*static_cast<T*>(instance()).*m_method)(m_parameter1); 85 } 86 87 private: 88 Method m_method; 89 P1 m_parameter1; 90 }; 91 92 template<typename T, typename P1, typename MP1, typename P2, typename MP2> 93 class MainThreadTask2 : public CCMainThread::Task { 94 public: 95 typedef void (T::*Method)(MP1, MP2); 96 typedef MainThreadTask2<T, P1, MP1, P2, MP2> MainThreadTaskImpl; 97 typedef typename CrossThreadTaskTraits<P1>::ParamType Param1; 98 typedef typename CrossThreadTaskTraits<P2>::ParamType Param2; 99 100 static PassOwnPtr<MainThreadTaskImpl> create(T* instance, Method method, Param1 parameter1, Param2 parameter2) 101 { 102 return adoptPtr(new MainThreadTaskImpl(instance, method, parameter1, parameter2)); 103 } 104 105 private: 106 MainThreadTask2(T* instance, Method method, Param1 parameter1, Param2 parameter2) 107 : CCMainThread::Task(instance) 108 , m_method(method) 109 , m_parameter1(parameter1) 110 , m_parameter2(parameter2) 111 { 112 } 113 114 virtual void performTask() 115 { 116 (*static_cast<T*>(instance()).*m_method)(m_parameter1, m_parameter2); 117 } 118 119 private: 120 Method m_method; 121 P1 m_parameter1; 122 P2 m_parameter2; 123 }; 124 125 template<typename T, typename P1, typename MP1, typename P2, typename MP2, typename P3, typename MP3> 126 class MainThreadTask3 : public CCMainThread::Task { 127 public: 128 typedef void (T::*Method)(MP1, MP2, MP3); 129 typedef MainThreadTask3<T, P1, MP1, P2, MP2, P3, MP3> MainThreadTaskImpl; 130 typedef typename CrossThreadTaskTraits<P1>::ParamType Param1; 131 typedef typename CrossThreadTaskTraits<P2>::ParamType Param2; 132 typedef typename CrossThreadTaskTraits<P3>::ParamType Param3; 133 134 static PassOwnPtr<MainThreadTaskImpl> create(T* instance, Method method, Param1 parameter1, Param2 parameter2, Param3 parameter3) 135 { 136 return adoptPtr(new MainThreadTaskImpl(instance, method, parameter1, parameter2, parameter3)); 137 } 138 139 private: 140 MainThreadTask3(T* instance, Method method, Param1 parameter1, Param2 parameter2, Param3 parameter3) 141 : CCMainThread::Task(instance) 142 , m_method(method) 143 , m_parameter1(parameter1) 144 , m_parameter2(parameter2) 145 , m_parameter3(parameter3) 146 { 147 } 148 149 virtual void performTask() 150 { 151 (*static_cast<T*>(instance()).*m_method)(m_parameter1, m_parameter2, m_parameter3); 152 } 153 154 private: 155 Method m_method; 156 P1 m_parameter1; 157 P2 m_parameter2; 158 P3 m_parameter3; 159 }; 160 161 template<typename T> 162 PassOwnPtr<CCMainThread::Task> createMainThreadTask( 163 T* const callee, 164 void (T::*method)()); 165 166 template<typename T> 167 PassOwnPtr<CCMainThread::Task> createMainThreadTask( 168 T* const callee, 169 void (T::*method)()) 170 { 171 return MainThreadTask0<T>::create( 172 callee, 173 method); 174 } 175 176 template<typename T, typename P1, typename MP1> 177 PassOwnPtr<CCMainThread::Task> createMainThreadTask( 178 T* const callee, 179 void (T::*method)(MP1), 180 const P1& parameter1) 181 { 182 return MainThreadTask1<T, typename CrossThreadCopier<P1>::Type, MP1>::create( 183 callee, 184 method, 185 CrossThreadCopier<P1>::copy(parameter1)); 186 } 187 188 template<typename T, typename P1, typename MP1, typename P2, typename MP2> 189 PassOwnPtr<CCMainThread::Task> createMainThreadTask( 190 T* const callee, 191 void (T::*method)(MP1, MP2), 192 const P1& parameter1, 193 const P2& parameter2) 194 { 195 return MainThreadTask2<T, typename CrossThreadCopier<P1>::Type, MP1, typename CrossThreadCopier<P2>::Type, MP2>::create( 196 callee, 197 method, 198 CrossThreadCopier<P1>::copy(parameter1), 199 CrossThreadCopier<P2>::copy(parameter2)); 200 } 201 202 template<typename T, typename P1, typename MP1, typename P2, typename MP2, typename P3, typename MP3> 203 PassOwnPtr<CCMainThread::Task> createMainThreadTask( 204 T* const callee, 205 void (T::*method)(MP1, MP2, MP3), 206 const P1& parameter1, 207 const P2& parameter2, 208 const P3& parameter3) 209 { 210 return MainThreadTask3<T, typename CrossThreadCopier<P1>::Type, MP1, typename CrossThreadCopier<P2>::Type, MP2, typename CrossThreadCopier<P3>::Type, MP3>::create( 211 callee, 212 method, 213 CrossThreadCopier<P1>::copy(parameter1), 214 CrossThreadCopier<P2>::copy(parameter2), 215 CrossThreadCopier<P3>::copy(parameter3)); 216 } 217 218 } // namespace WebCore 219 220 #endif // CCMainThreadTask_h 221
