add action buttons to the call notification

fixes #4160
Closes #4490

res/values/strings.xml

@@ -313,6 +313,12 @@
     <string name="NotificationBarManager_signal_call_in_progress">Signal call in progress</string>
     <string name="NotificationBarManager_missed_call_from_s">Missed call from %s</string>
     <string name="NotificationBarManager_missed_signal_call">Missed Signal call</string>
+    <string name="NotificationBarManager__establishing_signal_call">Establishing Signal call</string>
+    <string name="NotificationBarManager__incoming_signal_call">Incoming Signal call</string>
+    <string name="NotificationBarManager__deny_call">Deny call</string>
+    <string name="NotificationBarManager__answer_call">Answer call</string>
+    <string name="NotificationBarManager__end_call">End call</string>
+    <string name="NotificationBarManager__cancel_call">Cancel call</string>
 
     <!-- NotificationMmsMessageRecord -->
     <string name="NotificationMmsMessageRecord_multimedia_message">Multimedia message</string>

src/org/thoughtcrime/redphone/RedPhone.java

@@ -61,6 +61,10 @@ public class RedPhone extends Activity {
   private static final int STANDARD_DELAY_FINISH    = 1000;
   public  static final int BUSY_SIGNAL_DELAY_FINISH = 5500;
 
+  public static final String ANSWER_ACTION   = RedPhone.class.getCanonicalName() + ".ANSWER_ACTION";
+  public static final String DENY_ACTION     = RedPhone.class.getCanonicalName() + ".DENY_ACTION";
+  public static final String END_CALL_ACTION = RedPhone.class.getCanonicalName() + ".END_CALL_ACTION";
+
   private CallScreen        callScreen;
   private BroadcastReceiver bluetoothStateReceiver;
 
@@ -87,6 +91,16 @@ public class RedPhone extends Activity {
     registerBluetoothReceiver();
   }
 
+  @Override
+  public void onNewIntent(Intent intent){
+    if (ANSWER_ACTION.equals(intent.getAction())) {
+      handleAnswerCall();
+    } else if (DENY_ACTION.equals(intent.getAction())) {
+      handleDenyCall();
+    } else if (END_CALL_ACTION.equals(intent.getAction())) {
+      handleEndCall();
+    }
+  }
 
   @Override
   public void onPause() {
@@ -151,6 +165,19 @@ public class RedPhone extends Activity {
     }
   }
 
+  private void handleEndCall() {
+    Log.w(TAG, "Hangup pressed, handling termination now...");
+    Intent intent = new Intent(RedPhone.this, RedPhoneService.class);
+    intent.setAction(RedPhoneService.ACTION_HANGUP_CALL);
+    startService(intent);
+
+    RedPhoneEvent event = EventBus.getDefault().getStickyEvent(RedPhoneEvent.class);
+
+    if (event != null) {
+      RedPhone.this.handleTerminate(event.getRecipient());
+    }
+  }
+
   private void handleIncomingCall(@NonNull RedPhoneEvent event) {
     callScreen.setIncomingCall(event.getRecipient());
   }
@@ -303,16 +330,7 @@ public class RedPhone extends Activity {
 
   private class HangupButtonListener implements CallControls.HangupButtonListener {
     public void onClick() {
-      Log.w(TAG, "Hangup pressed, handling termination now...");
-      Intent intent = new Intent(RedPhone.this, RedPhoneService.class);
-      intent.setAction(RedPhoneService.ACTION_HANGUP_CALL);
-      startService(intent);
-
-      RedPhoneEvent event = EventBus.getDefault().getStickyEvent(RedPhoneEvent.class);
-
-      if (event != null) {
-        RedPhone.this.handleTerminate(event.getRecipient());
-      }
+      handleEndCall();
     }
   }
 

src/org/thoughtcrime/redphone/RedPhoneService.java

@@ -204,7 +204,8 @@ public class RedPhoneService extends Service implements CallStateListener, CallS
     if (remoteNumber == null || remoteNumber.length() == 0)
       return;
 
-    sendMessage(Type.OUTGOING_CALL, getRecipient(), null);
+    Recipient recipient = getRecipient();
+    sendMessage(Type.OUTGOING_CALL, recipient, null);
 
     state = STATE_DIALING;
     lockManager.updatePhoneState(LockManager.PhoneState.INTERACTIVE);
@@ -212,7 +213,7 @@ public class RedPhoneService extends Service implements CallStateListener, CallS
                                                         remoteNumber, zid);
     this.currentCallManager.start();
 
-    NotificationBarManager.setCallInProgress(this);
+    NotificationBarManager.setCallInProgress(this, NotificationBarManager.TYPE_OUTGOING_RINGING, recipient);
     DatabaseFactory.getSmsDatabase(this).insertOutgoingCall(remoteNumber);
 
   }
@@ -389,7 +390,7 @@ public class RedPhoneService extends Service implements CallStateListener, CallS
     startCallCardActivity();
     incomingRinger.start();
 
-    NotificationBarManager.setCallInProgress(this);
+    NotificationBarManager.setCallInProgress(this, NotificationBarManager.TYPE_INCOMING_RINGING, getRecipient());
   }
 
   public void notifyBusy() {
@@ -414,7 +415,10 @@ public class RedPhoneService extends Service implements CallStateListener, CallS
     outgoingRinger.playComplete();
     lockManager.updatePhoneState(LockManager.PhoneState.IN_CALL);
     state = STATE_CONNECTED;
-    sendMessage(Type.CALL_CONNECTED, getRecipient(), sas.getSasText());
+    Recipient recipient = getRecipient();
+    sendMessage(Type.CALL_CONNECTED, recipient, sas.getSasText());
+
+    NotificationBarManager.setCallInProgress(this, NotificationBarManager.TYPE_ESTABLISHED, recipient);
   }
 
   public void notifyConnectingtoInitiator() {

src/org/thoughtcrime/redphone/ui/NotificationBarManager.java

@@ -17,20 +17,15 @@
 
 package org.thoughtcrime.redphone.ui;
 
-import android.app.Notification;
 import android.app.NotificationManager;
 import android.app.PendingIntent;
 import android.content.Context;
 import android.content.Intent;
-import android.net.Uri;
 import android.support.v4.app.NotificationCompat;
 
 import org.thoughtcrime.redphone.RedPhone;
-import org.thoughtcrime.securesms.ConversationActivity;
 import org.thoughtcrime.securesms.R;
-import org.thoughtcrime.securesms.database.DatabaseFactory;
-import org.thoughtcrime.securesms.recipients.RecipientFactory;
-import org.thoughtcrime.securesms.recipients.Recipients;
+import org.thoughtcrime.securesms.recipients.Recipient;
 
 /**
  * Manages the state of the RedPhone items in the Android notification bar.
@@ -44,6 +39,10 @@ public class NotificationBarManager {
   private static final int RED_PHONE_NOTIFICATION   = 313388;
   private static final int MISSED_CALL_NOTIFICATION = 313389;
 
+  public static final int TYPE_INCOMING_RINGING = 1;
+  public static final int TYPE_OUTGOING_RINGING = 2;
+  public static final int TYPE_ESTABLISHED      = 3;
+
   public static void setCallEnded(Context context) {
     NotificationManager notificationManager = (NotificationManager)context
         .getSystemService(Context.NOTIFICATION_SERVICE);
@@ -51,20 +50,40 @@ public class NotificationBarManager {
     notificationManager.cancel(RED_PHONE_NOTIFICATION);
   }
 
-  public static void setCallInProgress(Context context) {
+  public static void setCallInProgress(Context context, int type, Recipient recipient) {
     NotificationManager notificationManager = (NotificationManager)context
         .getSystemService(Context.NOTIFICATION_SERVICE);
 
     Intent contentIntent        = new Intent(context, RedPhone.class);
     contentIntent.setFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP);
     PendingIntent pendingIntent = PendingIntent.getActivity(context, 0, contentIntent, 0);
-    String notificationText     = context.getString(R.string.NotificationBarManager_signal_call_in_progress);
-    Notification notification   = new Notification(R.drawable.redphone_stat_sys_phone_call, null,
-                                                   System.currentTimeMillis());
 
-    notification.setLatestEventInfo(context, notificationText, notificationText, pendingIntent);
-    notification.flags = Notification.FLAG_NO_CLEAR;
-    notificationManager.notify(RED_PHONE_NOTIFICATION, notification);
+    NotificationCompat.Builder builder = new NotificationCompat.Builder(context)
+                                                               .setSmallIcon(R.drawable.ic_call_secure_white_24dp)
+                                                               .setContentIntent(pendingIntent)
+                                                               .setOngoing(true)
+                                                               .setContentTitle(recipient.getName());
+
+    if (type == TYPE_INCOMING_RINGING) {
+      builder.setContentText(context.getString(R.string.NotificationBarManager__incoming_signal_call));
+      builder.addAction(getNotificationAction(context, RedPhone.DENY_ACTION, R.drawable.ic_close_grey600_32dp,   R.string.NotificationBarManager__deny_call));
+      builder.addAction(getNotificationAction(context, RedPhone.ANSWER_ACTION, R.drawable.ic_phone_grey600_32dp, R.string.NotificationBarManager__answer_call));
+    } else if (type == TYPE_OUTGOING_RINGING) {
+      builder.setContentText(context.getString(R.string.NotificationBarManager__establishing_signal_call));
+      builder.addAction(getNotificationAction(context, RedPhone.END_CALL_ACTION, R.drawable.ic_call_end_grey600_32dp, R.string.NotificationBarManager__cancel_call));
+    } else {
+      builder.setContentText(context.getString(R.string.NotificationBarManager_signal_call_in_progress));
+      builder.addAction(getNotificationAction(context, RedPhone.END_CALL_ACTION, R.drawable.ic_call_end_grey600_32dp, R.string.NotificationBarManager__end_call));
     }
 
+    notificationManager.notify(RED_PHONE_NOTIFICATION, builder.build());
+  }
+
+  private static NotificationCompat.Action getNotificationAction(Context context, String action, int iconResId, int titleResId) {
+    Intent intent = new Intent(context, RedPhone.class);
+    intent.setFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP);
+    intent.setAction(action);
+    PendingIntent pendingIntent = PendingIntent.getActivity(context, 0, intent, 0);
+    return new NotificationCompat.Action(iconResId, context.getString(titleResId), pendingIntent);
+  }
 }