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// Copyright (c) 2011 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 MEDIA_BASE_MEDIA_LOG_H_
#define MEDIA_BASE_MEDIA_LOG_H_
#pragma once
#include "base/memory/ref_counted.h"
#include "media/base/media_log_event.h"
namespace media {
class MediaLog : public base::RefCountedThreadSafe<MediaLog> {
public:
// Return a string to represent an EventType.
static const char* EventTypeToString(MediaLogEvent::Type type);
MediaLog();
// Methods called by loggers when events occur. These generate appropriate
// event parameters so the caller need not worry about them.
void Load(const std::string& url);
// Add an event to this log. Overriden by inheritors to actually do something
// with it.
// Takes ownership of |event|.
virtual void AddEvent(MediaLogEvent* event);
// Convenience method for adding an event with no parameters.
void AddEventOfType(MediaLogEvent::Type type);
// Convenience method for filling in common fields of a new event.
MediaLogEvent* CreateEvent(MediaLogEvent::Type type);
protected:
friend class base::RefCountedThreadSafe<MediaLog>;
virtual ~MediaLog();
private:
// A unique (to this process) id for this MediaLog.
int32 id_;
DISALLOW_COPY_AND_ASSIGN(MediaLog);
};
} // namespace media
#endif // MEDIA_BASE_MEDIA_LOG_H_
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