Captcha Notification Service

AndroidManifest.xml

@@ -97,5 +97,6 @@
 
         <activity android:name=".RemoteSettings" android:label="@string/remotesettings_activity"/>
 
+        <service android:name=".service.CheckCaptchaService" />
     </application>
 </manifest>

res/menu/menu.xml

@@ -32,4 +32,9 @@
         android:icon="@drawable/ic_menu_restart"
         android:title="@string/restart_failed" />
 
+    <item
+        android:id="@+id/ic_menu_check_captcha"
+        android:title="@string/check_captcha"
+        android:showAsAction="never"
+        android:checkable="true" />
 </menu>

res/values-de/strings.xml

@@ -91,6 +91,7 @@
   <string name="connect_error">Konnte keine Verbindung zu pyLoad herstellen. Bitte überprüfen sie, ob pyLoad läuft und ihre Servereinstellungen korrekt sind.</string>
   <string name="language">Sprache</string>
   <string name="language_desc">Sprache der App. Ein Neustart ist notwendig, damit die Änderungen in Kraft treten.</string>
+  <string name="check_captcha">Prüfe auf Captchas im Hintergrund</string>
   <string-array name="destination_list">
     <item>Warteschlange</item>
     <item>Linksammler</item>

res/values/strings.xml

@@ -100,6 +100,7 @@
     <string name="connect_error">Could not connect to pyLoad. Check that pyLoad is running and server settings are
         correct.
     </string>
+    <string name="check_captcha">Check for Captchas in Background</string>
     <string name="language">Language</string>
     <string name="language_desc">Language of the app. Needs a restart before changes take effect.</string>
     <string-array name="languages">

src/org/pyload/android/client/Preferences.java

@@ -5,6 +5,9 @@
 import android.view.MenuItem;
 
 public class Preferences extends PreferenceActivity {
+
+    public static final String CHECK_CAPTCHA_SERVICE_ENABLE = "check_captcha_bg";
+
         @Override
         protected void onCreate(Bundle savedInstanceState) {
             super.onCreate(savedInstanceState);

src/org/pyload/android/client/pyLoad.java

@@ -7,7 +7,12 @@
 import java.util.HashMap;
 import java.util.Locale;
 
+import android.app.AlarmManager;
+import android.app.NotificationManager;
+import android.app.PendingIntent;
+import android.content.SharedPreferences;
 import android.content.res.Configuration;
+import android.os.Build;
 import android.view.*;
 import org.pyload.android.client.components.FragmentTabsPager;
 import org.pyload.android.client.dialogs.AccountDialog;
@@ -16,6 +21,7 @@
 import org.pyload.android.client.fragments.QueueFragment;
 import org.pyload.android.client.module.Eula;
 import org.pyload.android.client.module.GuiTask;
+import org.pyload.android.client.service.CheckCaptchaService;
 import org.pyload.thrift.Destination;
 import org.pyload.thrift.PackageDoesNotExists;
 import org.pyload.thrift.Pyload.Client;
@@ -30,6 +36,7 @@
 import android.util.Log;
 import android.widget.TabHost;
 import android.support.v4.view.MenuItemCompat;
+import android.widget.Toast;
 
 public class pyLoad extends FragmentTabsPager {
 
@@ -38,6 +45,10 @@ public class pyLoad extends FragmentTabsPager {
     // keep reference to set indeterminateProgress
     private MenuItem refreshItem;
 
+    // AlarmManager and PendingIntent for CheckCaptchaService
+    private AlarmManager alarmManager;
+    private PendingIntent checkCaptchaIntent;
+
 	/** Called when the activity is first created. */
 
 	public void onCreate(Bundle savedInstanceState) {
@@ -113,18 +124,41 @@ protected void onStart() {
             }
             intent.setData(null);
         }
+
+        // get AlarmManager and create PendingIntent for CheckCaptchaService
+        alarmManager = (AlarmManager) getSystemService(ALARM_SERVICE);
+        checkCaptchaIntent = PendingIntent.getService(this.getApplication(), 0,
+                new Intent(this.getApplication(),
+                CheckCaptchaService.class), 0);
+        app.notificationManager = (NotificationManager)getSystemService(NOTIFICATION_SERVICE);
 	}
 
 	@Override
 	protected void onResume() {
 		super.onResume();
 		app.refreshTab();
+        alarmManager.cancel(checkCaptchaIntent);
+        app.notificationManager.cancel(CheckCaptchaService.NOTIFICATION_ID);
 	}
 
 	@Override
 	protected void onPause() {
 		super.onPause();
 		app.clearTasks();
+        // create background service to check for captchas
+        if(app.prefs.getBoolean(Preferences.CHECK_CAPTCHA_SERVICE_ENABLE, true)) {
+            int interval = 5;
+            try {
+                interval = Integer.parseInt(app.prefs
+                        .getString("refresh_rate", "5"));
+            } catch (NumberFormatException e) {
+                interval = 5;
+            }
+            Toast.makeText(this, "Checking for Captcha every " + interval + "s", Toast.LENGTH_SHORT).show();
+            interval *= 1000;
+            alarmManager.setRepeating(AlarmManager.RTC_WAKEUP, System.currentTimeMillis() + interval,
+                    interval, checkCaptchaIntent);
+        }
 	}
 
 	@Override
@@ -137,6 +171,9 @@ public boolean onCreateOptionsMenu(Menu menu) {
         MenuItemCompat.setShowAsAction(menu.findItem(R.id.add_links),
                 MenuItemCompat.SHOW_AS_ACTION_IF_ROOM);
 
+        menu.findItem(R.id.ic_menu_check_captcha).setChecked(
+                app.prefs.getBoolean(Preferences.CHECK_CAPTCHA_SERVICE_ENABLE, true));
+
 		return true;
 	}
 
@@ -183,6 +220,17 @@ public void run() {
 
             return true;
 
+        case R.id.ic_menu_check_captcha:
+            SharedPreferences.Editor prefEdit = app.prefs.edit();
+            Log.d("pyLoad", "CheckCaptcha: " + item.isChecked());
+            prefEdit.putBoolean(Preferences.CHECK_CAPTCHA_SERVICE_ENABLE, !item.isChecked());
+            if(Build.VERSION.SDK_INT >= 7)
+                prefEdit.apply();
+            else
+                prefEdit.commit();
+            item.setChecked(!item.isChecked());
+            return true;
+
 		default:
 			return super.onOptionsItemSelected(item);
 		}
@@ -312,4 +360,5 @@ public void run() {
     public MenuItem getRefreshItem() {
         return refreshItem;
     }
+
 }

src/org/pyload/android/client/pyLoadApp.java

@@ -13,6 +13,7 @@
 import javax.net.ssl.*;
 
 import android.annotation.TargetApi;
+import android.app.NotificationManager;
 import android.content.Context;
 import android.view.LayoutInflater;
 import android.view.MenuItem;
@@ -53,6 +54,9 @@ public class pyLoadApp extends Application {
 	public SharedPreferences prefs;
 	public ConnectivityManager cm;
 
+    /** NotificationManager used by CheckCaptchaService */
+    public NotificationManager notificationManager;
+
 	private pyLoad main;
 
 	private static final String[] clientVersion = {"0.4.8", "0.4.9"};

src/org/pyload/android/client/service/CheckCaptchaService.java

@@ -0,0 +1,92 @@
+package org.pyload.android.client.service;
+
+import android.app.AlarmManager;
+import android.app.Notification;
+import android.app.NotificationManager;
+import android.app.PendingIntent;
+import android.app.Service;
+import android.content.Intent;
+import android.media.RingtoneManager;
+import android.os.AsyncTask;
+import android.os.Binder;
+import android.os.IBinder;
+import android.preference.PreferenceManager;
+import android.util.Log;
+
+import org.pyload.android.client.R;
+import org.pyload.android.client.pyLoad;
+import org.pyload.android.client.pyLoadApp;
+import org.pyload.thrift.Pyload;
+
+/** Background Service checking for new captchas */
+public class CheckCaptchaService extends Service {
+
+    public static final int NOTIFICATION_ID = 1000;
+
+    private pyLoadApp app;
+    private Pyload.Client client;
+    private final IBinder mBinder = new CheckCaptchaBinder();
+
+    @Override
+    public void onCreate() {
+        Log.d("pyLoad", "create CaptchaService");
+        app = new pyLoadApp();
+    }
+
+    @Override
+    public int onStartCommand(Intent intent, int flags, int startId) {
+        Log.d("pyLoad", "Captcha check service");
+        app.prefs = PreferenceManager.getDefaultSharedPreferences(this);
+        app.notificationManager = (NotificationManager)getSystemService(NOTIFICATION_SERVICE);
+        AsyncTask<Void, Void, Void> asyncTask = new AsyncTask<Void, Void, Void>() {
+            @Override
+            protected Void doInBackground(Void... params) {
+                Log.d("pyLoad", "getting client in background");
+                client = app.getClient();
+                if(client.isCaptchaWaiting()) {
+                    showNotification();
+                }
+                return null;
+            }
+        };
+        asyncTask.execute();
+        return START_NOT_STICKY;
+    }
+
+    @Override
+    public IBinder onBind(Intent intent) {
+        Log.d("pyLoad", "CaptchaBinder");
+        return mBinder;
+    }
+
+    public class CheckCaptchaBinder extends Binder {
+        CheckCaptchaService getService() {
+            return CheckCaptchaService.this;
+        }
+    }
+
+    private void showNotification() {
+        // Build notification
+        Notification notification = new Notification(R.drawable.ic_launcher, getText(R.string.retrieve_captcha),
+                System.currentTimeMillis());
+        notification.sound = RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION);
+        notification.defaults |= Notification.DEFAULT_VIBRATE;
+
+        // The PendingIntent to launch our activity if the user selects this notification
+        PendingIntent contentIntent;
+        contentIntent = PendingIntent.getActivity(this, 0,
+                new Intent(this, pyLoad.class), 0);
+
+        // Set the info for the views that show in the notification panel.
+        notification.setLatestEventInfo(this, getText(R.string.app_name),
+                getText(R.string.retrieve_captcha), contentIntent);
+
+        // Send the notification.
+        app.notificationManager.notify(NOTIFICATION_ID, notification);
+
+        // disable repeating background service, as we notify now
+        ((AlarmManager) getSystemService(ALARM_SERVICE)).cancel(PendingIntent.getService(
+                this.getApplication(), 0, new Intent(this.getApplication(),
+                CheckCaptchaService.class), 0));
+    }
+}