// Copyright 2014 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 COMPONENTS_BOOKMARKS_BROWSER_BASE_BOOKMARK_MODEL_OBSERVER_H_
#define COMPONENTS_BOOKMARKS_BROWSER_BASE_BOOKMARK_MODEL_OBSERVER_H_

#include "base/macros.h"
#include "components/bookmarks/browser/bookmark_model_observer.h"

namespace bookmarks {

// Base class for a BookmarkModelObserver implementation. All mutations of the
// model funnel into the method BookmarkModelChanged.
class BaseBookmarkModelObserver : public BookmarkModelObserver {
 public:
  BaseBookmarkModelObserver() {}

  virtual void BookmarkModelChanged() = 0;

  // BookmarkModelObserver:
  void BookmarkModelLoaded(BookmarkModel* model, bool ids_reassigned) override;
  void BookmarkModelBeingDeleted(BookmarkModel* model) override;
  void BookmarkNodeMoved(BookmarkModel* model,
                         const BookmarkNode* old_parent,
                         int old_index,
                         const BookmarkNode* new_parent,
                         int new_index) override;
  void BookmarkNodeAdded(BookmarkModel* model,
                         const BookmarkNode* parent,
                         int index) override;
  void BookmarkNodeRemoved(BookmarkModel* model,
                           const BookmarkNode* parent,
                           int old_index,
                           const BookmarkNode* node,
                           const std::set<GURL>& removed_urls) override;
  void BookmarkAllUserNodesRemoved(BookmarkModel* model,
                                   const std::set<GURL>& removed_urls) override;
  void BookmarkNodeChanged(BookmarkModel* model,
                           const BookmarkNode* node) override;
  void BookmarkNodeFaviconChanged(BookmarkModel* model,
                                  const BookmarkNode* node) override;
  void BookmarkNodeChildrenReordered(BookmarkModel* model,
                                     const BookmarkNode* node) override;

 protected:
  ~BaseBookmarkModelObserver() override {}

 private:
  DISALLOW_COPY_AND_ASSIGN(BaseBookmarkModelObserver);
};

}  // namespace bookmarks

#endif  // COMPONENTS_BOOKMARKS_BROWSER_BASE_BOOKMARK_MODEL_OBSERVER_H_