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// 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 COMPONENTS_UNDO_BOOKMARK_UNDO_SERVICE_H_
#define COMPONENTS_UNDO_BOOKMARK_UNDO_SERVICE_H_
#include <map>
#include "base/macros.h"
#include "base/scoped_observer.h"
#include "components/bookmarks/browser/base_bookmark_model_observer.h"
#include "components/bookmarks/browser/bookmark_node_data.h"
#include "components/bookmarks/browser/bookmark_undo_delegate.h"
#include "components/keyed_service/core/keyed_service.h"
#include "components/undo/undo_manager.h"
namespace bookmarks {
class BookmarkModel;
class BookmarkModelObserver;
}
// BookmarkUndoService --------------------------------------------------------
// BookmarkUndoService is owned by the profile, and is responsible for observing
// BookmarkModel changes in order to provide an undo for those changes.
class BookmarkUndoService : public bookmarks::BaseBookmarkModelObserver,
public bookmarks::BookmarkUndoDelegate,
public KeyedService {
public:
BookmarkUndoService();
~BookmarkUndoService() override;
// Starts the BookmarkUndoService and register it as a BookmarkModelObserver.
// Calling this method is optional, but the service will be inactive until it
// is called.
void Start(bookmarks::BookmarkModel* model);
UndoManager* undo_manager() { return &undo_manager_; }
// KeyedService:
void Shutdown() override;
private:
// bookmarks::BaseBookmarkModelObserver:
void BookmarkModelChanged() override {}
void BookmarkModelLoaded(bookmarks::BookmarkModel* model,
bool ids_reassigned) override;
void BookmarkModelBeingDeleted(bookmarks::BookmarkModel* model) override;
void BookmarkNodeMoved(bookmarks::BookmarkModel* model,
const bookmarks::BookmarkNode* old_parent,
int old_index,
const bookmarks::BookmarkNode* new_parent,
int new_index) override;
void BookmarkNodeAdded(bookmarks::BookmarkModel* model,
const bookmarks::BookmarkNode* parent,
int index) override;
void OnWillChangeBookmarkNode(bookmarks::BookmarkModel* model,
const bookmarks::BookmarkNode* node) override;
void OnWillReorderBookmarkNode(bookmarks::BookmarkModel* model,
const bookmarks::BookmarkNode* node) override;
void GroupedBookmarkChangesBeginning(
bookmarks::BookmarkModel* model) override;
void GroupedBookmarkChangesEnded(bookmarks::BookmarkModel* model) override;
// bookmarks::BookmarkUndoDelegate:
void SetUndoProvider(bookmarks::BookmarkUndoProvider* undo_provider) override;
void OnBookmarkNodeRemoved(bookmarks::BookmarkModel* model,
const bookmarks::BookmarkNode* parent,
int index,
scoped_ptr<bookmarks::BookmarkNode> node) override;
bookmarks::BookmarkModel* model_;
bookmarks::BookmarkUndoProvider* undo_provider_;
UndoManager undo_manager_;
ScopedObserver<bookmarks::BookmarkModel, bookmarks::BookmarkModelObserver>
scoped_observer_;
DISALLOW_COPY_AND_ASSIGN(BookmarkUndoService);
};
#endif // COMPONENTS_UNDO_BOOKMARK_UNDO_SERVICE_H_
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