sky/engine/core/inspector/InspectorCounters.h

/*
* Copyright (C) 2012 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
*     * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*     * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
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* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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#ifndef SKY_ENGINE_CORE_INSPECTOR_INSPECTORCOUNTERS_H_
#define SKY_ENGINE_CORE_INSPECTOR_INSPECTORCOUNTERS_H_

#include "sky/engine/wtf/FastAllocBase.h"

#if ENABLE(ASSERT)
#include "sky/engine/wtf/MainThread.h"
#endif

namespace blink {

class InspectorCounters {
public:
    enum CounterType {
        DocumentCounter,
        NodeCounter,
        JSEventListenerCounter,
        CounterTypeLength
    };

    static inline void incrementCounter(CounterType type)
    {
        ASSERT(isMainThread());
        ++s_counters[type];
    }

    static inline void decrementCounter(CounterType type)
    {
        ASSERT(isMainThread());
        --s_counters[type];
    }

    static int counterValue(CounterType);

private:
    InspectorCounters();

    static int s_counters[CounterTypeLength];
};

} // namespace blink

#endif  // SKY_ENGINE_CORE_INSPECTOR_INSPECTORCOUNTERS_H_