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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 CONTENT_RENDERER_STATS_COLLECTION_OBSERVER_H_
#define CONTENT_RENDERER_STATS_COLLECTION_OBSERVER_H_
#include "base/time/time.h"
#include "content/public/renderer/render_view_observer.h"
namespace content {
class RenderViewImpl;
// Collect timing information for page loads.
// If a Renderview performs multiple loads, only the first one is recorded.
class StatsCollectionObserver : public RenderViewObserver {
public:
explicit StatsCollectionObserver(RenderViewImpl* render_view);
virtual ~StatsCollectionObserver();
// RenderViewObserver implementation
virtual void DidStartLoading() OVERRIDE;
virtual void DidStopLoading() OVERRIDE;
// Timing for the page load start and stop. These functions may return
// a null time value under various circumstances.
const base::Time& load_start_time() { return start_time_; }
const base::Time& load_stop_time() { return stop_time_; }
private:
base::Time start_time_;
base::Time stop_time_;
DISALLOW_COPY_AND_ASSIGN(StatsCollectionObserver);
};
} // namespace content
#endif // CONTENT_RENDERER_STATS_COLLECTION_OBSERVER_H_
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