[Output Switcher] Implements method for checking preference list

complete the implementation of checking preference list, wrap method
under AdvancedRoutesProcessor

Test: make RunSettingsLibRoboTests -j40
Bug: b/257851968
Change-Id: I0445ecb0528fe090709e984a7d2165b6d901bd9c

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

@@ -182,6 +182,11 @@ public class InfoMediaManager extends MediaManager {
         return false;
     }
 
+    boolean preferRouteListingOrdering() {
+        return Build.VERSION.SDK_INT >= Build.VERSION_CODES.UPSIDE_DOWN_CAKE
+                && Api34Impl.preferRouteListingOrdering(mRouterManager, mPackageName);
+    }
+
     /**
      * Remove a {@code device} from current media.
      *
@@ -616,7 +621,6 @@ public class InfoMediaManager extends MediaManager {
             return finalizedItemList;
         }
 
-
         @DoNotInline
         static synchronized List<MediaRoute2Info> filterDuplicatedIds(List<MediaRoute2Info> infos) {
             List<MediaRoute2Info> filteredInfos = new ArrayList<>();
@@ -653,5 +657,14 @@ public class InfoMediaManager extends MediaManager {
             }
             return sortedInfoList;
         }
+
+        @DoNotInline
+        static boolean preferRouteListingOrdering(MediaRouter2Manager mediaRouter2Manager,
+                String packageName) {
+            RouteListingPreference routeListingPreference =
+                    mediaRouter2Manager.getRouteListingPreference(packageName);
+            return routeListingPreference != null
+                    && !routeListingPreference.getUseSystemOrdering();
+        }
     }
 }

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

@@ -209,6 +209,15 @@ public class LocalMediaManager implements BluetoothCallback {
         return mInfoMediaManager.isRoutingSessionAvailableForVolumeControl();
     }
 
+    /**
+     * Returns if media app establishes a preferred route listing order.
+     *
+     * @return True if route list ordering exist and not using system ordering, false otherwise.
+     */
+    public boolean isPreferenceRouteListingExist() {
+        return mInfoMediaManager.preferRouteListingOrdering();
+    }
+
     /**
      * Start scan connected MediaDevice
      */

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

@@ -340,6 +340,33 @@ public class InfoMediaManagerTest {
         assertThat(mInfoMediaManager.mMediaDevices).hasSize(routes.size());
     }
 
+    @Test
+    public void hasPreferenceRouteListing_oldSdkVersion_returnsFalse() {
+        assertThat(mInfoMediaManager.preferRouteListingOrdering()).isFalse();
+    }
+
+    @Test
+    public void hasPreferenceRouteListing_newSdkVersionWithPreferenceExist_returnsTrue() {
+        ReflectionHelpers.setStaticField(Build.VERSION.class, "SDK_INT",
+                Build.VERSION_CODES.UPSIDE_DOWN_CAKE);
+        when(mRouterManager.getRouteListingPreference(any())).thenReturn(
+                new RouteListingPreference.Builder().setItems(
+                        ImmutableList.of()).setUseSystemOrdering(false).build());
+        mInfoMediaManager.mRouterManager = mRouterManager;
+
+        assertThat(mInfoMediaManager.preferRouteListingOrdering()).isTrue();
+    }
+
+    @Test
+    public void hasPreferenceRouteListing_newSdkVersionWithPreferenceNotExist_returnsFalse() {
+        ReflectionHelpers.setStaticField(Build.VERSION.class, "SDK_INT",
+                Build.VERSION_CODES.UPSIDE_DOWN_CAKE);
+
+        when(mRouterManager.getRouteListingPreference(any())).thenReturn(null);
+
+        assertThat(mInfoMediaManager.preferRouteListingOrdering()).isFalse();
+    }
+
     private List<MediaRoute2Info> getRoutesListWithDuplicatedIds() {
         final List<MediaRoute2Info> routes = new ArrayList<>();
         final MediaRoute2Info info = mock(MediaRoute2Info.class);

packages/SystemUI/src/com/android/systemui/media/dialog/MediaOutputController.java

@@ -630,10 +630,11 @@ public class MediaOutputController implements LocalMediaManager.DeviceCallback,
 
     private void buildMediaItems(List<MediaDevice> devices) {
         synchronized (mMediaDevicesLock) {
-            //TODO(b/257851968): do the organization only when there's no suggested sorted order
-            // we get from application
-            attachRangeInfo(devices);
-            Collections.sort(devices, Comparator.naturalOrder());
+            if (!isRouteProcessSupported() || (isRouteProcessSupported()
+                    && !mLocalMediaManager.isPreferenceRouteListingExist())) {
+                attachRangeInfo(devices);
+                Collections.sort(devices, Comparator.naturalOrder());
+            }
             // For the first time building list, to make sure the top device is the connected
             // device.
             if (mMediaItemList.isEmpty()) {
@@ -751,6 +752,10 @@ public class MediaOutputController implements LocalMediaManager.DeviceCallback,
         return mFeatureFlags.isEnabled(Flags.OUTPUT_SWITCHER_ADVANCED_LAYOUT);
     }
 
+    public boolean isRouteProcessSupported() {
+        return mFeatureFlags.isEnabled(Flags.OUTPUT_SWITCHER_ROUTES_PROCESSING);
+    }
+
     List<MediaDevice> getGroupMediaDevices() {
         final List<MediaDevice> selectedDevices = getSelectedMediaDevice();
         final List<MediaDevice> selectableDevices = getSelectableMediaDevice();