From f7e0a328c939fa61792d4b685e8f9047a3a0ad90 Mon Sep 17 00:00:00 2001
From: Adam Powell <adamp@google.com>
Date: Thu, 21 Jun 2012 15:29:40 -0700
Subject: Allow ungrouping media routes when a group is the only alternate
 route

Fix a MediaRouteButton bug where group item counts weren't taken into
account when deciding whether to toggle between two available groups
or show the chooser dialog.

Change-Id: I6400ffd4cfe80c8072c5be360264b8ca91d71c41
---
 core/java/android/app/MediaRouteButton.java | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/core/java/android/app/MediaRouteButton.java b/core/java/android/app/MediaRouteButton.java
index 18713f5..5863ad0 100644
--- a/core/java/android/app/MediaRouteButton.java
+++ b/core/java/android/app/MediaRouteButton.java
@@ -25,6 +25,7 @@ import android.content.res.TypedArray;
 import android.graphics.Canvas;
 import android.graphics.drawable.Drawable;
 import android.media.MediaRouter;
+import android.media.MediaRouter.RouteGroup;
 import android.media.MediaRouter.RouteInfo;
 import android.util.AttributeSet;
 import android.util.Log;
@@ -157,8 +158,13 @@ public class MediaRouteButton extends View {
         final int N = mRouter.getRouteCount();
         int count = 0;
         for (int i = 0; i < N; i++) {
-            if ((mRouter.getRouteAt(i).getSupportedTypes() & mRouteTypes) != 0) {
-                count++;
+            final RouteInfo route = mRouter.getRouteAt(i);
+            if ((route.getSupportedTypes() & mRouteTypes) != 0) {
+                if (route instanceof RouteGroup) {
+                    count += ((RouteGroup) route).getRouteCount();
+                } else {
+                    count++;
+                }
             }
         }
 
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