// 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.

#ifndef CHROME_BROWSER_BOOKMARKS_BASE_BOOKMARK_MODEL_OBSERVER_H_
#define CHROME_BROWSER_BOOKMARKS_BASE_BOOKMARK_MODEL_OBSERVER_H_
#pragma once

#include "base/basictypes.h"
#include "chrome/browser/bookmarks/bookmark_model_observer.h"

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

  virtual void BookmarkModelChanged() = 0;

  virtual void Loaded(BookmarkModel* model);

  virtual void BookmarkModelBeingDeleted(BookmarkModel* model);
  virtual void BookmarkNodeMoved(BookmarkModel* model,
                                 const BookmarkNode* old_parent,
                                 int old_index,
                                 const BookmarkNode* new_parent,
                                 int new_index);
  virtual void BookmarkNodeAdded(BookmarkModel* model,
                                 const BookmarkNode* parent,
                                 int index);
  virtual void BookmarkNodeRemoved(BookmarkModel* model,
                                   const BookmarkNode* parent,
                                   int old_index,
                                   const BookmarkNode* node);
  virtual void BookmarkNodeChanged(BookmarkModel* model,
                                   const BookmarkNode* node);
  virtual void BookmarkNodeFaviconLoaded(BookmarkModel* model,
                                         const BookmarkNode* node);
  virtual void BookmarkNodeChildrenReordered(BookmarkModel* model,
                                             const BookmarkNode* node);

 private:
  DISALLOW_COPY_AND_ASSIGN(BaseBookmarkModelObserver);
};

#endif  // CHROME_BROWSER_BOOKMARKS_BASE_BOOKMARK_MODEL_OBSERVER_H_