Update/Add method on InfoMediaManager

This CL include following change:

- Filter out non system route on getAllRoutes().
- Add releaseSession() to release session to stop playing media
  on MediaDevice.
- Add test case.

Bug: 149896648
Test: make -j42 RunSettingsLibRoboTests
Change-Id: Ibed6e22a8b01d5e1a3c92a80f569b21f40441c27

packages/SettingsLib/src/com/android/settingslib/media/InfoMediaManager.java

@@ -164,6 +164,26 @@ public class InfoMediaManager extends MediaManager {
         return false;
     }
 
+    /**
+     * Release session to stop playing media on MediaDevice.
+     */
+    boolean releaseSession() {
+        if (TextUtils.isEmpty(mPackageName)) {
+            Log.w(TAG, "releaseSession() package name is null or empty!");
+            return false;
+        }
+
+        final RoutingSessionInfo info = getRoutingSessionInfo();
+        if (info != null) {
+            mRouterManager.getControllerForSession(info).release();
+            return true;
+        }
+
+        Log.w(TAG, "releaseSession() Ignoring release session : " + mPackageName);
+
+        return false;
+    }
+
     /**
      * Get the MediaDevice list that can be added to current media.
      *
@@ -298,7 +318,9 @@ public class InfoMediaManager extends MediaManager {
 
     private void buildAllRoutes() {
         for (MediaRoute2Info route : mRouterManager.getAllRoutes()) {
-            addMediaDevice(route);
+            if (route.isSystemRoute()) {
+                addMediaDevice(route);
+            }
         }
     }
 

packages/SettingsLib/src/com/android/settingslib/media/LocalMediaManager.java

@@ -281,6 +281,13 @@ public class LocalMediaManager implements BluetoothCallback {
         return mInfoMediaManager.getSelectableMediaDevice();
     }
 
+    /**
+     * Release session to stop playing media on MediaDevice.
+     */
+    public boolean releaseSession() {
+        return mInfoMediaManager.releaseSession();
+    }
+
     /**
      * Get the MediaDevice list that has been selected to current media.
      *

packages/SettingsLib/tests/robotests/src/com/android/settingslib/media/InfoMediaManagerTest.java

@@ -96,6 +96,7 @@ public class InfoMediaManagerTest {
         final MediaRoute2Info info = mock(MediaRoute2Info.class);
         when(info.getId()).thenReturn(TEST_ID);
         when(info.getClientPackageName()).thenReturn(TEST_PACKAGE_NAME);
+        when(info.isSystemRoute()).thenReturn(true);
 
         final List<MediaRoute2Info> routes = new ArrayList<>();
         routes.add(info);
@@ -166,6 +167,7 @@ public class InfoMediaManagerTest {
         final MediaRoute2Info info = mock(MediaRoute2Info.class);
         when(info.getId()).thenReturn(TEST_ID);
         when(info.getClientPackageName()).thenReturn(TEST_PACKAGE_NAME);
+        when(info.isSystemRoute()).thenReturn(true);
 
         final List<MediaRoute2Info> routes = new ArrayList<>();
         routes.add(info);
@@ -221,6 +223,7 @@ public class InfoMediaManagerTest {
         final MediaRoute2Info info = mock(MediaRoute2Info.class);
         when(info.getId()).thenReturn(TEST_ID);
         when(info.getClientPackageName()).thenReturn(TEST_PACKAGE_NAME);
+        when(info.isSystemRoute()).thenReturn(true);
 
         final List<MediaRoute2Info> routes = new ArrayList<>();
         routes.add(info);
@@ -438,4 +441,23 @@ public class InfoMediaManagerTest {
 
         assertThat(mInfoMediaManager.getSessionVolume()).isEqualTo(-1);
     }
+
+    @Test
+    public void releaseSession_packageNameIsNull_returnFalse() {
+        mInfoMediaManager.mPackageName = null;
+
+        assertThat(mInfoMediaManager.releaseSession()).isFalse();
+    }
+
+    @Test
+    public void releaseSession_removeSuccessfully_returnTrue() {
+        final List<RoutingSessionInfo> routingSessionInfos = new ArrayList<>();
+        final RoutingSessionInfo info = mock(RoutingSessionInfo.class);
+        routingSessionInfos.add(info);
+
+        mShadowRouter2Manager.setRoutingSessions(routingSessionInfos);
+        when(info.getClientPackageName()).thenReturn(TEST_PACKAGE_NAME);
+
+        assertThat(mInfoMediaManager.releaseSession()).isTrue();
+    }
 }