1 /* 2 * Copyright (C) 2012 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 are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #ifndef InspectorCounters_h 32 #define InspectorCounters_h 33 34 #include "wtf/FastAllocBase.h" 35 36 #if !ASSERT_DISABLED 37 #include "wtf/MainThread.h" 38 #endif 39 40 namespace WebCore { 41 42 class InspectorCounters { 43 public: 44 enum CounterType { 45 DocumentCounter, 46 NodeCounter, 47 JSEventListenerCounter, 48 CounterTypeLength 49 }; 50 51 static inline void incrementCounter(CounterType type) 52 { 53 ASSERT(isMainThread()); 54 ++s_counters[type]; 55 } 56 57 static inline void decrementCounter(CounterType type) 58 { 59 ASSERT(isMainThread()); 60 --s_counters[type]; 61 } 62 63 static int counterValue(CounterType); 64 65 private: 66 InspectorCounters(); 67 68 static int s_counters[CounterTypeLength]; 69 }; 70 71 72 class ThreadLocalInspectorCounters { 73 WTF_MAKE_FAST_ALLOCATED; 74 public: 75 enum CounterType { 76 JSEventListenerCounter, 77 CounterTypeLength 78 }; 79 ThreadLocalInspectorCounters(); 80 81 inline void incrementCounter(CounterType type) 82 { 83 ++m_counters[type]; 84 } 85 86 inline void decrementCounter(CounterType type) 87 { 88 --m_counters[type]; 89 } 90 91 int counterValue(CounterType); 92 93 static ThreadLocalInspectorCounters& current(); 94 95 private: 96 int m_counters[CounterTypeLength]; 97 }; 98 99 } // namespace WebCore 100 101 #endif // !defined(InspectorCounters_h) 102