/*
* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
* its licensors.
*
* For complete copyright and license terms please see the LICENSE at the root of this
* distribution (the "License"). All use of this software is governed by the License,
* or, if provided, by the license below or the license accompanying this file. Do not
* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
*
*/
// Original file Copyright Crytek GMBH or its affiliates, used under license.

#ifndef CRYINCLUDE_EDITOR_TRACKVIEW_TRACKVIEWUNDO_H
#define CRYINCLUDE_EDITOR_TRACKVIEW_TRACKVIEWUNDO_H
#pragma once

#include "TrackViewTrack.h"

class CTrackViewSequence;


/** Undo object stored when track is modified for component entity.
* Stores ids, not raw pointers.
*/
class CUndoComponentEntityTrackObject
    : public IUndoObject
{
public:
    CUndoComponentEntityTrackObject(CTrackViewTrack* track);

protected:
    virtual int GetSize() override { return sizeof(*this); }
    virtual QString GetDescription() override { return "Undo Component Entity Track Modify"; };

    virtual void Undo(bool bUndo) override;
    virtual void Redo() override;

private:

    // Helper function to get a pointer to the track based.
    CTrackViewTrack* FindTrack(CTrackViewSequence* sequence);

    // Internal state are id's used to uniquely identify
    // a track. This does not store pointers to tracks because
    // those can change when an AZ::Undo event happens and the entity
    // is reloaded.
    AZ::EntityId m_sequenceId;
    AZ::EntityId m_entityId;
    AZStd::string m_trackName;
    AZ::ComponentId m_trackComponentId;

    CTrackViewTrackMemento m_undo;
    CTrackViewTrackMemento m_redo;
};

#endif // CRYINCLUDE_EDITOR_TRACKVIEW_TRACKVIEWUNDO_H