001/**
002 * Copyright (c) 2011, The University of Southampton and the individual contributors.
003 * All rights reserved.
004 *
005 * Redistribution and use in source and binary forms, with or without modification,
006 * are permitted provided that the following conditions are met:
007 *
008 *   *  Redistributions of source code must retain the above copyright notice,
009 *      this list of conditions and the following disclaimer.
010 *
011 *   *  Redistributions in binary form must reproduce the above copyright notice,
012 *      this list of conditions and the following disclaimer in the documentation
013 *      and/or other materials provided with the distribution.
014 *
015 *   *  Neither the name of the University of Southampton nor the names of its
016 *      contributors may be used to endorse or promote products derived from this
017 *      software without specific prior written permission.
018 *
019 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
020 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
021 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
022 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
023 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
024 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
025 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
026 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
027 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
028 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
029 */
030/**
031 * 
032 */
033package org.openimaj.video;
034
035import org.openimaj.image.Image;
036import org.openimaj.video.VideoDisplay.Mode;
037
038/**
039 *      An adapter for classes that want to listen to certain events that are
040 *      generated from a video display. This adapter implements both the
041 *      {@link VideoDisplayListener} and the {@link VideoDisplayStateListener}.
042 *
043 *      @author David Dupplaw (dpd@ecs.soton.ac.uk)
044 *  @created 27 Jul 2011
045 *      
046 *  @param <T> the {@link Image} type 
047 */
048public class VideoDisplayAdapter<T extends Image<?,T>> 
049        implements VideoDisplayStateListener, VideoDisplayListener<T>
050{
051
052        /** 
053         *      {@inheritDoc}
054         *      @see org.openimaj.video.VideoDisplayStateListener#videoStopped(org.openimaj.video.VideoDisplay)
055         */
056        @Override
057        public void videoStopped( VideoDisplay<?> v )
058        {
059        }
060
061        /** 
062         *      {@inheritDoc}
063         *      @see org.openimaj.video.VideoDisplayStateListener#videoPlaying(org.openimaj.video.VideoDisplay)
064         */
065        @Override
066        public void videoPlaying( VideoDisplay<?> v )
067        {
068        }
069
070        /** 
071         *      {@inheritDoc}
072         *      @see org.openimaj.video.VideoDisplayStateListener#videoPaused(org.openimaj.video.VideoDisplay)
073         */
074        @Override
075        public void videoPaused( VideoDisplay<?> v )
076        {
077        }
078
079        /** 
080         *      {@inheritDoc}
081         *      @see org.openimaj.video.VideoDisplayStateListener#videoStateChanged(org.openimaj.video.VideoDisplay.Mode, org.openimaj.video.VideoDisplay)
082         */
083        @Override
084        public void videoStateChanged( Mode mode, VideoDisplay<?> v )
085        {
086        }
087
088        /**
089         *      {@inheritDoc}
090         *      @see org.openimaj.video.VideoDisplayListener#afterUpdate(org.openimaj.video.VideoDisplay)
091         */
092        @Override
093        public void afterUpdate( VideoDisplay<T> display )
094        {
095        }
096
097        /**
098         *      {@inheritDoc}
099         *      @see org.openimaj.video.VideoDisplayListener#beforeUpdate(org.openimaj.image.Image)
100         */
101        @Override
102        public void beforeUpdate( T frame )
103        {
104        }
105}