VideoPlayer.java

/*
 * PhoneGap is available under *either* the terms of the modified BSD license *or* the
 * MIT License (2008). See http://opensource.org/licenses/alphabetical for full text.
 *
 * Copyright (c) 2005-2010, Nitobi Software Inc.
 * Copyright (c) 2011, IBM Corporation
 */

package com.phonegap.plugins.video;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.net.URLConnection;

import org.json.JSONArray;
import org.json.JSONException;

import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.net.Uri;

import org.apache.cordova.api.Plugin;
import org.apache.cordova.api.PluginResult;

public class VideoPlayer extends Plugin {
	private static final String YOU_TUBE = "youtube.com";
	private static final String ASSETS = "file:///android_asset/";

	@Override
	public PluginResult execute(String action, JSONArray args, String callbackId) {
		PluginResult.Status status = PluginResult.Status.OK;
		String result = "";

		try {
			if (action.equals("playVideo")) {
				playVideo(args.getString(0));
			} else {
				status = PluginResult.Status.INVALID_ACTION;
			}
			return new PluginResult(status, result);
		} catch (JSONException e) {
			return new PluginResult(PluginResult.Status.JSON_EXCEPTION);
		} catch (IOException e) {
			return new PluginResult(PluginResult.Status.IO_EXCEPTION);
		}
	}

	private void playVideo(String url) throws IOException {
		if (url.contains("bit.ly/") || url.contains("goo.gl/") || url.contains("tinyurl.com/") || url.contains("youtu.be/")) {
			//support for google / bitly / tinyurl / youtube shortens
			URLConnection con = new URL(url).openConnection();
			con.connect();
			InputStream is = con.getInputStream();
			//new redirected url
	        url = con.getURL().toString();
			is.close();
		}

		// Create URI
		Uri uri = Uri.parse(url);

		Intent intent = null;
		// Check to see if someone is trying to play a YouTube page.
		if (url.contains(YOU_TUBE)) {
			// If we don't do it this way you don't have the option for youtube
			if(isPackageInstalled("com.google.android.youtube")){
				//Check if user has YouTube app, if no, will handle it (ChildBrowser/Open Browser/etc.)
				uri = Uri.parse("vnd.youtube:" + uri.getQueryParameter("v"));
				intent = new Intent(Intent.ACTION_VIEW, uri);	
			}else{
				throw new IOException("YouTube app isn't installed");
			}
		} else if (url.contains(ASSETS)) {
			// get file path in assets folder
			String filepath = url.replace(ASSETS, "");
			// get actual filename from path as command to write to internal
			// storage doesn't like folders
			String filename = filepath.substring(filepath.lastIndexOf("/") + 1,
					filepath.length());

			// Don't copy the file if it already exists
			File fp = new File(this.cordova.getActivity().getFilesDir() + "/"
					+ filename);
			if (!fp.exists()) {
				this.copy(filepath, filename);
			}

			// change uri to be to the new file in internal storage
			uri = Uri
					.parse("file://" + this.cordova.getActivity().getFilesDir()
							+ "/" + filename);

			// Display video player
			intent = new Intent(Intent.ACTION_VIEW);
			intent.setDataAndType(uri, "video/*");
		} else {
			// Display video player
			intent = new Intent(Intent.ACTION_VIEW);
			intent.setDataAndType(uri, "video/*");
		}

		this.cordova.getActivity().startActivity(intent);
	}

	private void copy(String fileFrom, String fileTo) throws IOException {
		// get file to be copied from assets
		InputStream in = this.cordova.getActivity().getAssets().open(fileFrom);
		// get file where copied too, in internal storage.
		// must be MODE_WORLD_READABLE or Android can't play it
		FileOutputStream out = this.cordova.getActivity().openFileOutput(
				fileTo, Context.MODE_WORLD_READABLE);

		// Transfer bytes from in to out
		byte[] buf = new byte[1024];
		int len;
		while ((len = in.read(buf)) > 0)
			out.write(buf, 0, len);
		in.close();
		out.close();
	}
	
	private boolean isPackageInstalled(String uri) {
		PackageManager pm = this.cordova.getActivity().getPackageManager();
		boolean package_installed = false;
		try {
			pm.getPackageInfo(uri, PackageManager.GET_ACTIVITIES);
			package_installed = true;
		} catch (PackageManager.NameNotFoundException e) {
			package_installed = false;
		}
		return package_installed;
	}
	
}