chrome/browser/precache/most_visited_urls_provider.h

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CHROME_BROWSER_PRECACHE_MOST_VISITED_URLS_PROVIDER_H_
   6 #define CHROME_BROWSER_PRECACHE_MOST_VISITED_URLS_PROVIDER_H_
   7
   8 #include "base/basictypes.h"
   9 #include "base/compiler_specific.h"
  10 #include "base/memory/ref_counted.h"
  11 #include "components/precache/core/url_list_provider.h"
  12
  13 namespace history {
  14 class TopSites;
  15 }
  16
  17 namespace precache {
  18
  19 // A URLListProvider that provides a list of the user's most visited URLs.
  20 class MostVisitedURLsProvider : public URLListProvider {
  21  public:
  22   explicit MostVisitedURLsProvider(history::TopSites* top_sites);
  23   ~MostVisitedURLsProvider();
  24
  25   // Returns a list of the user's most visited URLs via a callback. May be
  26   // called from any thread. The callback may be run before the call to GetURLs
  27   // returns.
  28   void GetURLs(const GetURLsCallback& callback) override;
  29
  30  private:
  31   scoped_refptr<history::TopSites> top_sites_;
  32
  33   DISALLOW_COPY_AND_ASSIGN(MostVisitedURLsProvider);
  34 };
  35
  36 }  // namespace precache
  37
  38 #endif  // CHROME_BROWSER_PRECACHE_MOST_VISITED_URLS_PROVIDER_H_