chrome/browser/precache/most_visited_urls_provider.h

// 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_PRECACHE_MOST_VISITED_URLS_PROVIDER_H_
#define CHROME_BROWSER_PRECACHE_MOST_VISITED_URLS_PROVIDER_H_

#include "base/basictypes.h"
#include "base/compiler_specific.h"
#include "base/memory/ref_counted.h"
#include "components/precache/core/url_list_provider.h"

namespace history {
class TopSites;
}

namespace precache {

// A URLListProvider that provides a list of the user's most visited URLs.
class MostVisitedURLsProvider : public URLListProvider {
 public:
  explicit MostVisitedURLsProvider(history::TopSites* top_sites);
  ~MostVisitedURLsProvider();

  // Returns a list of the user's most visited URLs via a callback. May be
  // called from any thread. The callback may be run before the call to GetURLs
  // returns.
  void GetURLs(const GetURLsCallback& callback) override;

 private:
  scoped_refptr<history::TopSites> top_sites_;

  DISALLOW_COPY_AND_ASSIGN(MostVisitedURLsProvider);
};

}  // namespace precache

#endif  // CHROME_BROWSER_PRECACHE_MOST_VISITED_URLS_PROVIDER_H_