1 package org.hedgewars.mobile;

     2 

     3 import android.app.Activity;

     4 import android.content.ComponentName;

     5 import android.content.Context;

     6 import android.content.Intent;

     7 import android.content.ServiceConnection;

     8 import android.os.Bundle;

     9 import android.os.Handler;

    10 import android.os.IBinder;

    11 import android.os.Message;

    12 import android.os.Messenger;

    13 import android.os.RemoteException;

    14 import android.view.View;

    15 import android.view.View.OnClickListener;

    16 import android.widget.Button;

    17 import android.widget.ProgressBar;

    18 import android.widget.TextView;

    19 

    20 public class DownloadActivity extends Activity{

    21 

    22 	private Messenger messageService;

    23 	private boolean boundToService = false;

    24 	

    25 	private TextView progress_sub;

    26 	private ProgressBar progress;

    27 	private Button positive, negative;

    28 	

    29 	public static final int MSG_START = 0;

    30 	public static final int MSG_UPDATE = 1;

    31 	public static final int MSG_DONE = 2;

    32 	private Handler.Callback messageCallback = new Handler.Callback() {

    33 		

    34 		@Override

    35 		public boolean handleMessage(Message msg) {

    36 			switch(msg.what){

    37 			case MSG_START:

    38 				progress.setMax(msg.arg1);

    39 				progress_sub.setText(String.format("%dkb/%dkb\n%s", 0, msg.arg1, ""));

    40 				break;

    41 			case MSG_UPDATE:

    42 				progress_sub.setText(String.format("%d%% - %dkb/%dkb\n%s",(msg.arg1*100)/msg.arg2, msg.arg1, msg.arg2, msg.obj));

    43 				progress.setProgress(msg.arg1);

    44 				break;

    45 			case MSG_DONE:

    46 				progress.setProgress(progress.getMax());

    47 				progress_sub.setText(R.string.download_done);

    48 				

    49 				positive.setText(R.string.download_back);

    50 				positive.setOnClickListener(doneClicker);

    51 				break;

    52 			}

    53 			return false;

    54 		}

    55 	};

    56 	private Handler messageHandler = new Handler(messageCallback);

    57 	private Messenger messenger = new Messenger(messageHandler);

    58 	

    59 	public void onCreate(Bundle savedInstanceState){

    60 		super.onCreate(savedInstanceState);

    61 		

    62 		setContentView(R.layout.download);

    63 		

    64 		progress_sub = (TextView)findViewById(R.id.progressbar_sub);

    65 		progress = (ProgressBar)findViewById(R.id.progressbar);

    66 		

    67 		positive = (Button) findViewById(R.id.background);

    68 		negative = (Button) findViewById(R.id.cancelDownload);

    69 		positive.setOnClickListener(backgroundClicker);

    70 		negative.setOnClickListener(cancelClicker);

    71 		

    72 	}

    73 	

    74 	private OnClickListener backgroundClicker = new OnClickListener(){

    75 		public void onClick(View v){

    76 			finish();

    77 		}

    78 	};

    79 	private OnClickListener cancelClicker = new OnClickListener(){

    80 		public void onClick(View v){

    81 			Intent i = new Intent(getApplicationContext(), DownloadService.class);

    82 			i.putExtra("taskID", DownloadService.TASKID_CANCEL);

    83 			startService(i);

    84 			finish();

    85 		}

    86 	};

    87 	private OnClickListener doneClicker = new OnClickListener(){

    88 		public void onClick(View v){

    89 			finish();

    90 			startActivity(new Intent(getApplicationContext(), MainActivity.class));

    91 		}

    92 	};

    93 	

    94 	public void onStart(){

    95 		super.onStart();

    96 		bindToService();

    97 	}

    98 	

    99 	public void onStop(){

   100 		super.onStop();

   101 		unBindFromService();

   102 	}

   103 	

   104 	private ServiceConnection connection = new ServiceConnection(){

   105 

   106 		@Override

   107 		public void onServiceConnected(ComponentName name, IBinder service) {

   108 			messageService = new Messenger(service);

   109 			

   110 			try{

   111 				Message msg = Message.obtain(null, DownloadService.MSG_REGISTER_CLIENT);

   112 				msg.replyTo = messenger;

   113 				messageService.send(msg);

   114 				

   115 			}catch (RemoteException e){}

   116 		}

   117 

   118 		@Override

   119 		public void onServiceDisconnected(ComponentName name) {

   120 			messageService = null;

   121 		}

   122 		

   123 	};

   124 	

   125 	private void bindToService(){

   126 		Intent i = new Intent(getApplicationContext(), DownloadService.class);

   127 		i.putExtra("taskID", DownloadService.TASKID_START);

   128 		startService(i);

   129 		bindService(new Intent(getApplicationContext(), DownloadService.class), connection, Context.BIND_AUTO_CREATE);

   130 		boundToService = true;

   131 	}

   132 	

   133 	private void unBindFromService(){

   134 		if(boundToService){

   135 			boundToService = false;

   136 			unbindService(connection);

   137 		}	

   138 	}

   139 }