chromium/components/undo/undo_manager.h

// Copyright 2013 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_UNDO_UNDO_MANAGER_H_
#define COMPONENTS_UNDO_UNDO_MANAGER_H_

#include <stddef.h>

#include <memory>
#include <string>
#include <vector>

#include "base/memory/raw_ptr.h"
#include "base/observer_list.h"

class UndoManagerObserver;
class UndoOperation;

// UndoGroup ------------------------------------------------------------------

// UndoGroup represents a user action and stores all the operations that
// make that action.  Typically there is only one operation per UndoGroup.
class UndoGroup { … };

// UndoManager ----------------------------------------------------------------

// Maintains user actions as a group of operations that store enough info to
// undo and redo those operations.
class UndoManager { … };

#endif  // COMPONENTS_UNDO_UNDO_MANAGER_H_