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// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef Histogram_h
#define Histogram_h
#include "platform/PlatformExport.h"
#include <stdint.h>
namespace base {
class HistogramBase;
};
namespace blink {
class PLATFORM_EXPORT CustomCountHistogram {
public:
CustomCountHistogram(const char* name, int32_t min, int32_t max, int32_t bucketCount);
void count(int32_t sample);
protected:
explicit CustomCountHistogram(base::HistogramBase*);
private:
base::HistogramBase* m_histogram;
};
class PLATFORM_EXPORT EnumerationHistogram : public CustomCountHistogram {
public:
EnumerationHistogram(const char* name, int32_t boundaryValue);
};
class PLATFORM_EXPORT SparseHistogram {
public:
explicit SparseHistogram(const char* name);
void sample(int32_t sample);
private:
base::HistogramBase* m_histogram;
};
} // namespace blink
#endif // Histogram_h
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