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// Copyright 2013 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 CHROME_BROWSER_SYNC_GLUE_EXTENSIONS_ACTIVITY_MONITOR_H_
#define CHROME_BROWSER_SYNC_GLUE_EXTENSIONS_ACTIVITY_MONITOR_H_
#include "base/macros.h"
#include "base/memory/ref_counted.h"
#include "content/public/browser/notification_observer.h"
#include "content/public/browser/notification_registrar.h"
namespace syncer {
class ExtensionsActivity;
}
namespace browser_sync {
// Observe and record usage of extension bookmark API.
class ExtensionsActivityMonitor : public content::NotificationObserver {
public:
ExtensionsActivityMonitor();
~ExtensionsActivityMonitor() override;
// content::NotificationObserver implementation.
void Observe(int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) override;
const scoped_refptr<syncer::ExtensionsActivity>& GetExtensionsActivity();
private:
scoped_refptr<syncer::ExtensionsActivity> extensions_activity_;
#if defined(ENABLE_EXTENSIONS)
// Used only on UI loop.
content::NotificationRegistrar registrar_;
#endif
DISALLOW_COPY_AND_ASSIGN(ExtensionsActivityMonitor);
};
} // namespace browser_sync
#endif // CHROME_BROWSER_SYNC_GLUE_EXTENSIONS_ACTIVITY_MONITOR_H_
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