Adding implementation for bringToForeground.

Add implementation for CallHandlerService's new method, bring to
foreground.  When called, the incallui determines if we have an active
call and the activity is not currently in the foreground.  If both those
are true, then we bring up the existing InCallUI.

bug:10313347
Change-Id: Ic70cd7f1c5701992580626458c8d459a8ece7d9c

2 files changed, 27 insertions, 1 deletions

diff --git a/InCallUI/src/com/android/incallui/CallHandlerService.java b/InCallUI/src/com/android/incallui/CallHandlerService.java
index 76237e106..ca749aa46 100644
--- a/InCallUI/src/com/android/incallui/CallHandlerService.java
+++ b/InCallUI/src/com/android/incallui/CallHandlerService.java
@@ -44,8 +44,9 @@ public class CallHandlerService extends Service {
     private static final int ON_AUDIO_MODE = 4;
     private static final int ON_SUPPORTED_AUDIO_MODE = 5;
     private static final int ON_DISCONNECT_CALL = 6;
+    private static final int ON_BRING_TO_FOREGROUND = 7;
 
-    private static final int LARGEST_MSG_ID = ON_DISCONNECT_CALL;
+    private static final int LARGEST_MSG_ID = ON_BRING_TO_FOREGROUND;
 
 
     private CallList mCallList;
@@ -175,6 +176,11 @@ public class CallHandlerService extends Service {
                 Log.e(TAG, "Error processing onSupportedAudioModeChange() call.", e);
             }
         }
+
+        @Override
+        public void bringToForeground() {
+            mMainHandler.sendMessage(mMainHandler.obtainMessage(ON_BRING_TO_FOREGROUND));
+        }
     };
 
     /**
@@ -222,6 +228,11 @@ public class CallHandlerService extends Service {
             case ON_SUPPORTED_AUDIO_MODE:
                 mAudioModeProvider.onSupportedAudioModeChange(msg.arg1);
                 break;
+            case ON_BRING_TO_FOREGROUND:
+                if (mInCallPresenter != null) {
+                    mInCallPresenter.bringToForeground();
+                }
+                break;
             default:
                 break;
         }
diff --git a/InCallUI/src/com/android/incallui/InCallPresenter.java b/InCallUI/src/com/android/incallui/InCallPresenter.java
index 11f930852..cc3dcb2c1 100644
--- a/InCallUI/src/com/android/incallui/InCallPresenter.java
+++ b/InCallUI/src/com/android/incallui/InCallPresenter.java
@@ -239,6 +239,21 @@ public class InCallPresenter implements CallList.Listener {
     }
 
     /**
+     * Brings the app into the foreground if possible.
+     */
+    public void bringToForeground() {
+        // Before we bring the incall UI to the foreground, we check to see if:
+        // 1. there is an activity
+        // 2. the activity is not already in the foreground
+        // 3. We are in a state where we want to show the incall ui
+        if (mInCallActivity != null &&
+                !mInCallActivity.isForegroundActivity() &&
+                mInCallState != InCallState.HIDDEN) {
+            showInCall();
+        }
+    }
+
+    /**
      * When the state of in-call changes, this is the first method to get called. It determines if
      * the UI needs to be started or finished depending on the new state and does it.
      */