File: history_bookmark_model.h

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// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef COMPONENTS_BOOKMARKS_BROWSER_HISTORY_BOOKMARK_MODEL_H_
#define COMPONENTS_BOOKMARKS_BROWSER_HISTORY_BOOKMARK_MODEL_H_

#include <vector>

#include "base/memory/ref_counted.h"

class GURL;

namespace bookmarks {

struct UrlAndTitle;

// Defines the interface use by history. History accesses these functions on a
// background thread.
class HistoryBookmarkModel
    : public base::RefCountedThreadSafe<HistoryBookmarkModel> {
 public:
  HistoryBookmarkModel() = default;

  virtual bool IsBookmarked(const GURL& url) = 0;

  // Returns the set of bookmarked urls and their titles. This returns the
  // unique set of URLs. For example, if two bookmarks reference the same URL
  // only one entry is added not matter the titles are same or not.
  [[nodiscard]] virtual std::vector<UrlAndTitle> GetUniqueUrls() = 0;

 protected:
  friend class base::RefCountedThreadSafe<HistoryBookmarkModel>;

  virtual ~HistoryBookmarkModel() = default;
};

}  // namespace bookmarks

#endif  // COMPONENTS_BOOKMARKS_BROWSER_HISTORY_BOOKMARK_MODEL_H_