Add support for typing indicators.

src/org/thoughtcrime/securesms/ApplicationContext.java

@@ -28,6 +28,8 @@ import android.support.multidex.MultiDexApplication;
 
 import com.google.android.gms.security.ProviderInstaller;
 
+import org.thoughtcrime.securesms.components.TypingStatusRepository;
+import org.thoughtcrime.securesms.components.TypingStatusSender;
 import org.thoughtcrime.securesms.crypto.PRNGFixes;
 import org.thoughtcrime.securesms.dependencies.AxolotlStorageModule;
 import org.thoughtcrime.securesms.dependencies.InjectableType;
@@ -82,6 +84,8 @@ public class ApplicationContext extends MultiDexApplication implements Dependenc
   private static final String TAG = ApplicationContext.class.getSimpleName();
 
   private ExpiringMessageManager  expiringMessageManager;
+  private TypingStatusRepository  typingStatusRepository;
+  private TypingStatusSender      typingStatusSender;
   private JobManager              jobManager;
   private IncomingMessageObserver incomingMessageObserver;
   private ObjectGraph             objectGraph;
@@ -104,6 +108,8 @@ public class ApplicationContext extends MultiDexApplication implements Dependenc
     initializeJobManager();
     initializeMessageRetrieval();
     initializeExpiringMessageManager();
+    initializeTypingStatusRepository();
+    initializeTypingStatusSender();
     initializeGcmCheck();
     initializeSignedPreKeyCheck();
     initializePeriodicTasks();
@@ -145,6 +151,14 @@ public class ApplicationContext extends MultiDexApplication implements Dependenc
     return expiringMessageManager;
   }
 
+  public TypingStatusRepository getTypingStatusRepository() {
+    return typingStatusRepository;
+  }
+
+  public TypingStatusSender getTypingStatusSender() {
+    return typingStatusSender;
+  }
+
   public boolean isAppVisible() {
     return isAppVisible;
   }
@@ -206,6 +220,14 @@ public class ApplicationContext extends MultiDexApplication implements Dependenc
     this.expiringMessageManager = new ExpiringMessageManager(this);
   }
 
+  private void initializeTypingStatusRepository() {
+    this.typingStatusRepository = new TypingStatusRepository();
+  }
+
+  private void initializeTypingStatusSender() {
+    this.typingStatusSender = new TypingStatusSender(this);
+  }
+
   private void initializePeriodicTasks() {
     RotateSignedPreKeyListener.schedule(this);
     DirectoryRefreshListener.schedule(this);