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/*
* Copyright 2010, The Android Open Source Project
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``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 OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef V8Counters_h
#define V8Counters_h
#if USE(V8)
#ifdef ANDROID_INSTRUMENT
#include <PlatformString.h>
#include <v8.h>
#include <wtf/HashMap.h>
namespace WebCore {
class V8Counters {
public:
// Counter callbacks, see v8.h
static int* counterForName(const char* name);
static void* createHistogram(const char* name,
int min,
int max,
size_t buckets);
static void addHistogramSample(void* histogram, int sample);
static void initCounters();
static void dumpCounters();
private:
class Counter {
public:
Counter(bool isHistogram);
int count() { return m_count; }
int sampleTotal() { return m_sampleTotal; }
bool isHistogram() { return m_isHistogram; }
void addSample(int32_t sample);
operator int*() { return &m_count; }
private:
int m_count;
int m_sampleTotal;
bool m_isHistogram;
};
static HashMap<String, Counter*> m_counters;
};
}
#endif // ANDROID_INSTRUMENT
#endif // USE(V8)
#endif // V8Counters_h
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