VideoPlayerContainer.java

package com.eighteengray.procameralibrary.video;

import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Locale;
import android.content.Context;
import android.media.MediaPlayer;
import android.os.Handler;
import android.os.SystemClock;
import android.util.AttributeSet;
import android.view.MotionEvent;
import android.view.View;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.SeekBar;
import android.widget.SeekBar.OnSeekBarChangeListener;
import android.widget.TextView;
import android.view.View.OnClickListener;
import com.eighteengray.procameralibrary.R;


public class VideoPlayerContainer extends LinearLayout implements
		OnClickListener, VideoPlayerView.PlayerListener, IVideoPlayerOperation
{
	private final static String TAG = "VideoPlayerContainer";
	private VideoPlayerView mVideoPlayerView;
	private LinearLayout mBottomBar;
	private TextView mCurrentTimeView;
	private TextView mDurationView;
	private ImageView mPauseButton;
	private SeekBar mProgressBar;
	private Handler mHandler;
	private SimpleDateFormat mTimeFormat;

	public VideoPlayerContainer(Context context, AttributeSet attrs)
	{
		super(context, attrs);
		initView(context);
		mHandler = new Handler();
		mTimeFormat = new SimpleDateFormat("mm:ss", Locale.getDefault());
	}

	private void initView(Context context)
	{
		inflate(context, R.layout.video_bottom_bar, this);

		mVideoPlayerView = (VideoPlayerView) findViewById(R.id.videoPlayerView);
		mVideoPlayerView.setPalyerListener(this);

		mBottomBar = (LinearLayout) findViewById(R.id.llVideoDetailPlayerBottom);

		mCurrentTimeView = (TextView) mBottomBar
				.findViewById(R.id.tvVideoPlayTime);
		mDurationView = (TextView) mBottomBar
				.findViewById(R.id.tvVideoPlayRemainTime);
		mPauseButton = (ImageView) mBottomBar
				.findViewById(R.id.btnVideoPlayOrPause);
		mProgressBar = (SeekBar) mBottomBar
				.findViewById(R.id.sbVideoDetailPlayer);
		mPauseButton.setOnClickListener(this);
		mProgressBar.setOnSeekBarChangeListener(onSeekBarChangeListener);
	}

	OnSeekBarChangeListener onSeekBarChangeListener = new OnSeekBarChangeListener()
	{

		@Override
		public void onStopTrackingTouch(SeekBar seekBar)
		{
			seekPosition(seekBar.getProgress() * 1000);
		}

		@Override
		public void onStartTrackingTouch(SeekBar seekBar)
		{
			pausedPlay();
		}

		@Override
		public void onProgressChanged(SeekBar seekBar, int progress,
				boolean fromUser)
		{
			mCurrentTimeView.setText(mTimeFormat.format(new Date(
					progress * 1000)));
		}
	};

	@Override
	public void playVideo(String path) throws IllegalArgumentException,
			SecurityException, IllegalStateException, IOException
	{
		mVideoPlayerView.playVideo(path);
	}

	@Override
	public void onCompletion(MediaPlayer mp)
	{
		// 播放结束，隐藏该控件
		setVisibility(View.GONE);
		mProgressBar.setProgress(0);
		mCurrentTimeView.setText("00:00");
		mp.reset();
	}

	@Override
	public void onSeekComplete(MediaPlayer mp)
	{
		// 跳转至指定时间后，恢复播放
		resumePlay();
	}

	@Override
	public boolean onTouchEvent(MotionEvent event)
	{
		// 由于在使用了framelayout布局，为了防止点击事件下发给下方的view，在此处捕获掉点击事件。
		return true;
	}

	@Override
	public void onPrepared(MediaPlayer mp)
	{
		// 准备播放，显示该控件
		setVisibility(View.VISIBLE);
		int duration = mp.getDuration();
		// 设置最大事件，单位秒
		mDurationView.setText(mTimeFormat.format(new Date(duration)));
		mProgressBar.setMax((int) Math.floor(duration / 1000));
		mp.start();
		mHandler.removeCallbacks(null, null);
		mHandler.post(playerRunnable);
	}

	Runnable playerRunnable = new Runnable()
	{
		@Override
		public void run()
		{
			// TODO Auto-generated method stub
			if (mVideoPlayerView.isPlaying())
			{
				int current = getCurrentPosition();
				current = (int) Math.floor(current / 1000);
				mProgressBar.setProgress(current);
				mHandler.postAtTime(this, mCurrentTimeView,
						SystemClock.uptimeMillis() + 500);
			}
		}
	};

	@Override
	public void onClick(View v)
	{

		if (mVideoPlayerView.isPlaying())
		{
			pausedPlay();
		} else
		{
			resumePlay();
		}
	}

	/**
	 * 恢复播放
	 */
	@Override
	public void resumePlay()
	{
		mVideoPlayerView.resumePlay();
		mHandler.removeCallbacks(null, null);
		mHandler.postDelayed(playerRunnable, 500);
		mPauseButton.setImageResource(R.drawable.video_detail_player_pause);
	}

	/**
	 * 暂停播放
	 */
	@Override
	public void pausedPlay()
	{
		mVideoPlayerView.pausedPlay();
		mPauseButton.setImageResource(R.drawable.video_detail_player_start);
	}

	@Override
	public void seekPosition(int position)
	{
		mVideoPlayerView.seekPosition(position);
	}

	@Override
	public void stopPlay()
	{
		mVideoPlayerView.stopPlay();
		setVisibility(View.GONE);
	}

	@Override
	public boolean isPlaying()
	{
		return mVideoPlayerView.isPlaying();
	}

	@Override
	public int getCurrentPosition()
	{
		return mVideoPlayerView.getCurrentPosition();
	}

}