keyframe.cpp

/*

Pencil - Traditional Animation Software
Copyright (C) 2005-2007 Patrick Corrieri & Pascal Naidon
Copyright (C) 2012-2017 Matthew Chiawen Chang

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; version 2 of the License.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

*/

#include "keyframe.h"


KeyFrame::KeyFrame()
{
}

KeyFrame::~KeyFrame()
{
    for ( KeyFrameEventListener* listener : mEventListeners )
    {
        listener->onKeyFrameDestroy( this );
    }
}

void KeyFrame::addEventListener( KeyFrameEventListener* listener )
{
    auto it = std::find( mEventListeners.begin(), mEventListeners.end(), listener );
    if ( it != mEventListeners.end() )
    {
        mEventListeners.push_back( listener );
    }
}

void KeyFrame::removeEventListner( KeyFrameEventListener* listener )
{
    auto it = std::find( mEventListeners.begin(), mEventListeners.end(), listener );
    if ( it != mEventListeners.end() )
    {
        mEventListeners.erase( it );
    }
}