Make GCM re-registration failure notification based.

// FREEBIE

AndroidManifest.xml

@@ -208,13 +208,14 @@
               android:clearTaskOnLaunch="true"
               android:finishOnTaskLaunch="true" />
 
-    <service android:enabled="true" android:name=".service.GcmRegistrationService"/>
+    <activity android:name=".PlayServicesProblemActivity"
+              android:theme="@android:style/Theme.Translucent.NoTitleBar"
+              android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"/>
+
     <service android:enabled="true" android:name=".service.ApplicationMigrationService"/>
     <service android:enabled="true" android:name=".service.KeyCachingService"/>
-    <service android:enabled="true" android:name=".service.SendReceiveService"/>
     <service android:enabled="true" android:name=".service.RegistrationService"/>
     <service android:enabled="true" android:name=".service.DirectoryRefreshService"/>
-    <service android:enabled="true" android:name=".service.PreKeyService"/>
 
     <service android:name=".service.QuickResponseService"
              android:permission="android.permission.SEND_RESPOND_VIA_MESSAGE"

res/values/strings.xml

@@ -149,6 +149,10 @@
         settings, and messages...
     </string>
 
+    <!-- GcmRefreshJob -->
+    <string name="GcmRefreshJob_Permanent_TextSecure_communication_failure">Permanent TextSecure communication failure!</string>
+    <string name="GcmRefreshJob_TextSecure_was_unable_to_register_with_Google_Play_Services">TextSecure was unable to register with Google Play Services. Communication over the data channel has been disabled, please try re-registering from the TextSecure settings menu.</string>
+
     <!-- GroupCreateActivity -->
     <string name="GroupCreateActivity_actionbar_title">New group</string>
     <string name="GroupCreateActivity_actionbar_update_title">Update group</string>

src/org/thoughtcrime/securesms/PlayServicesProblemActivity.java

@@ -0,0 +1,30 @@
+/**
+ * Copyright (C) 2014 Open Whisper Systems
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package org.thoughtcrime.securesms;
+
+import android.os.Bundle;
+import android.support.v4.app.FragmentActivity;
+
+public class PlayServicesProblemActivity extends FragmentActivity {
+
+  @Override
+  public void onCreate(Bundle bundle) {
+    super.onCreate(bundle);
+    PlayServicesProblemFragment fragment = new PlayServicesProblemFragment();
+    fragment.show(getSupportFragmentManager(), "dialog");
+  }
+}

src/org/thoughtcrime/securesms/PlayServicesProblemFragment.java

@@ -0,0 +1,35 @@
+/**
+ * Copyright (C) 2014 Open Whisper Systems
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.thoughtcrime.securesms;
+
+import android.app.Dialog;
+import android.os.Bundle;
+import android.support.annotation.NonNull;
+import android.support.v4.app.DialogFragment;
+
+import com.google.android.gms.common.GooglePlayServicesUtil;
+
+public class PlayServicesProblemFragment extends DialogFragment {
+
+  @Override
+  public Dialog onCreateDialog(@NonNull Bundle bundle) {
+    int code = GooglePlayServicesUtil.isGooglePlayServicesAvailable(getActivity());
+    return GooglePlayServicesUtil.getErrorDialog(code, getActivity(), 9111);
+  }
+
+}

src/org/thoughtcrime/securesms/jobs/GcmRefreshJob.java

@@ -1,13 +1,35 @@
+/**
+ * Copyright (C) 2014 Open Whisper Systems
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
 package org.thoughtcrime.securesms.jobs;
 
+import android.app.NotificationManager;
+import android.app.PendingIntent;
 import android.content.Context;
+import android.content.Intent;
+import android.graphics.BitmapFactory;
+import android.support.v4.app.NotificationCompat;
 import android.util.Log;
-import android.widget.Toast;
 
 import com.google.android.gms.common.ConnectionResult;
 import com.google.android.gms.common.GooglePlayServicesUtil;
 import com.google.android.gms.gcm.GoogleCloudMessaging;
 
+import org.thoughtcrime.securesms.PlayServicesProblemActivity;
+import org.thoughtcrime.securesms.R;
 import org.thoughtcrime.securesms.push.TextSecureCommunicationFactory;
 import org.thoughtcrime.securesms.util.TextSecurePreferences;
 import org.whispersystems.jobqueue.JobParameters;
@@ -31,22 +53,22 @@ public class GcmRefreshJob extends ContextJob {
 
   @Override
   public void onRun() throws Exception {
-    String registrationId = TextSecurePreferences.getGcmRegistrationId(context);
+    TextSecureAccountManager accountManager = TextSecureCommunicationFactory.createManager(context);
+    String                   registrationId = TextSecurePreferences.getGcmRegistrationId(context);
 
     if (registrationId == null) {
       Log.w(TAG, "GCM registrationId expired, reregistering...");
       int result = GooglePlayServicesUtil.isGooglePlayServicesAvailable(context);
 
       if (result != ConnectionResult.SUCCESS) {
-        Toast.makeText(context, "Unable to register with GCM!", Toast.LENGTH_LONG).show();
+        notifyGcmFailure();
+        accountManager.setGcmId(Optional.<String>absent());
+        TextSecurePreferences.setPushRegistered(context, false);
+      } else {
+        String gcmId = GoogleCloudMessaging.getInstance(context).register(REGISTRATION_ID);
+        accountManager.setGcmId(Optional.of(gcmId));
+        TextSecurePreferences.setGcmRegistrationId(context, gcmId);
       }
-
-      String                   gcmId          = GoogleCloudMessaging.getInstance(context).register(REGISTRATION_ID);
-      TextSecureAccountManager accountManager = TextSecureCommunicationFactory.createManager(context);
-
-      accountManager.setGcmId(Optional.of(gcmId));
-
-      TextSecurePreferences.setGcmRegistrationId(context, gcmId);
     }
   }
 
@@ -61,4 +83,21 @@ public class GcmRefreshJob extends ContextJob {
     return true;
   }
 
+  private void notifyGcmFailure() {
+    Intent                     intent        = new Intent(context, PlayServicesProblemActivity.class);
+    PendingIntent              pendingIntent = PendingIntent.getActivity(context, 1122, intent, PendingIntent.FLAG_CANCEL_CURRENT);
+    NotificationCompat.Builder builder       = new NotificationCompat.Builder(context);
+
+    builder.setSmallIcon(R.drawable.icon_notification);
+    builder.setLargeIcon(BitmapFactory.decodeResource(context.getResources(),
+                                                      R.drawable.ic_action_warning_red));
+    builder.setContentTitle(context.getString(R.string.GcmRefreshJob_Permanent_TextSecure_communication_failure));
+    builder.setContentText(context.getString(R.string.GcmRefreshJob_TextSecure_was_unable_to_register_with_Google_Play_Services));
+    builder.setTicker(context.getString(R.string.GcmRefreshJob_Permanent_TextSecure_communication_failure));
+    builder.setContentIntent(pendingIntent);
+
+    ((NotificationManager)context.getSystemService(Context.NOTIFICATION_SERVICE))
+        .notify(12, builder.build());
+  }
+
 }