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// Copyright (c) 2009 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.
// VisitedLinkEventListener broadcasts link coloring database updates to all
// processes. It also coalesces the updates to avoid excessive broadcasting of
// messages to the renderers.
#ifndef CHROME_BROWSER_VISITEDLINK_EVENT_LISTENER_H_
#define CHROME_BROWSER_VISITEDLINK_EVENT_LISTENER_H_
#pragma once
#include "base/timer.h"
#include "chrome/browser/visitedlink_master.h"
namespace base {
class SharedMemory;
}
class VisitedLinkEventListener : public VisitedLinkMaster::Listener {
public:
VisitedLinkEventListener();
virtual ~VisitedLinkEventListener();
virtual void NewTable(base::SharedMemory* table_memory);
virtual void Add(VisitedLinkMaster::Fingerprint fingerprint);
virtual void Reset();
private:
void CommitVisitedLinks();
base::OneShotTimer<VisitedLinkEventListener> coalesce_timer_;
VisitedLinkCommon::Fingerprints pending_visited_links_;
DISALLOW_COPY_AND_ASSIGN(VisitedLinkEventListener);
};
#endif // CHROME_BROWSER_VISITEDLINK_EVENT_LISTENER_H_
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