Android Open Source - snakk-ads-android-sample-app T V A S T Video Progress Thread

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License

The source code is released under:

Copyright (c) 2012, Snakk! Media Group All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are m...

Java Source Code

package com.snakk.vastsdk.player;
/*from ww w  . j  av  a 2  s.c  o m*/
import android.os.Handler;
import android.os.Handler.Callback;
import android.os.Looper;
import android.os.Message;
import android.util.Log;
import com.snakk.vastsdk.player.TVASTPlayer.TVASTAdPlayerListener;

import java.util.List;

/**
 * A thread that fires periodic progress events for a VideoView. Callbacks are run in the UI thread.
 */
public class TVASTVideoProgressThread extends Thread {

    private static final int UPDATE = 1;
    private static final int QUIT = 2;

    private List<TVASTAdPlayerListener> callbacks;
    //private VideoView video;
    private TVASTPlayer mPlayer;
    private boolean onPlaySent;

    /**
     * Handler that runs on the UI thread
     */
    private Handler uiHandler;
    /**
     * Handler that runs on the progress thread
     */
    private Handler threadHandler;

    public TVASTVideoProgressThread(TVASTPlayer player, List<TVASTAdPlayerListener> callbacks) {
        //this.video = video;
        this.mPlayer = player;
        // The callbacks list is shared with the caller, so it should only be used on the UI thread.
        this.callbacks = callbacks;
        setName("TVASTVideoProgressThread");
        uiHandler = new Handler(new Callback() {
            @Override
            public boolean handleMessage(Message msg) {
                return handleUiMessage(msg);
            }
        });
    }

    public void quit() {
        if (threadHandler != null)
            threadHandler.sendMessageAtFrontOfQueue(Message.obtain(threadHandler, QUIT));
    }

    @Override
    public void run() {
        Looper.prepare();
        threadHandler = new Handler(new Callback() {
            @Override
            public boolean handleMessage(Message msg) {
                return handleThreadMessage(msg);
            }
        });
        threadHandler.sendEmptyMessage(UPDATE);
        Looper.loop();
    }

    protected boolean handleThreadMessage(Message msg) {
        switch (msg.what) {
            case UPDATE:
                update();
                threadHandler.sendEmptyMessageDelayed(UPDATE, 1000);
                return true;
            case QUIT:
                threadHandler.removeCallbacksAndMessages(null);
                Looper.myLooper().quit();
                return true;
            default:
                return false;
        }
    }

    private void update() {
        try {
            if (!mPlayer.getVideoView().isPlaying()) {
                return;
            }
            // Send a message to the UI thread to fire a callback.
            uiHandler.sendMessage(Message.obtain(uiHandler,
                    UPDATE, mPlayer.getVideoView().getCurrentPosition() / 1000,
                    mPlayer.getVideoView().getDuration() / 1000));
        } catch (IllegalStateException e) {
            // Video view is stopped.
            Log.d("TVASTVideoProgressThread", "IllegalStateException during update");
        }
    }

    protected boolean handleUiMessage(Message msg) {
        switch (msg.what) {
            case UPDATE:
                int currentPosition = msg.arg1;
                int duration = msg.arg2;
                for (TVASTAdPlayerListener callback : callbacks) {
                    callback.onVideoProgress(mPlayer, currentPosition, duration);
                }
                // When the video starts playing, inform the callback only once.
                if (!onPlaySent && currentPosition > 0) {
                    onPlaySent = true;
                    //for (TVASTAdPlayerListener callback : callbacks) {
                    //callback.onVideoPlay(mPlayer);
                    //}
                }
                return true;
            default:
                return false;
        }
    }
}

Java Source Code List

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