Show docks on previously connected devices page

Implement previously connected Dock Devices part into
SavedDeviceGroupController.

Bug: 78095209
Test: m -j SettingsRoboTests RunSettingsRoboTests
Change-Id: I3dd318556167c98bc90c0c1c7281804177b9ff74

src/com/android/settings/connecteddevice/SavedDeviceGroupController.java

@@ -24,9 +24,12 @@ import android.support.v7.preference.PreferenceScreen;
 
 import com.android.settings.bluetooth.BluetoothDeviceUpdater;
 import com.android.settings.bluetooth.SavedBluetoothDeviceUpdater;
+import com.android.settings.connecteddevice.dock.DockUpdater;
 import com.android.settings.core.BasePreferenceController;
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settings.dashboard.DashboardFragment;
+import com.android.settings.overlay.DockUpdaterFeatureProvider;
+import com.android.settings.overlay.FeatureFactory;
 import com.android.settingslib.core.lifecycle.Lifecycle;
 import com.android.settingslib.core.lifecycle.LifecycleObserver;
 import com.android.settingslib.core.lifecycle.events.OnStart;
@@ -45,19 +48,27 @@ public class SavedDeviceGroupController extends BasePreferenceController
     @VisibleForTesting
     PreferenceGroup mPreferenceGroup;
     private BluetoothDeviceUpdater mBluetoothDeviceUpdater;
+    private DockUpdater mSavedDockUpdater;
 
     public SavedDeviceGroupController(Context context) {
         super(context, KEY);
+
+        DockUpdaterFeatureProvider dockUpdaterFeatureProvider =
+                FeatureFactory.getFactory(context).getDockUpdaterFeatureProvider();
+        mSavedDockUpdater =
+                dockUpdaterFeatureProvider.getSavedDockUpdater(context, this);
     }
 
     @Override
     public void onStart() {
         mBluetoothDeviceUpdater.registerCallback();
+        mSavedDockUpdater.registerCallback();
     }
 
     @Override
     public void onStop() {
         mBluetoothDeviceUpdater.unregisterCallback();
+        mSavedDockUpdater.unregisterCallback();
     }
 
     @Override
@@ -67,6 +78,7 @@ public class SavedDeviceGroupController extends BasePreferenceController
             mPreferenceGroup.setVisible(false);
             mBluetoothDeviceUpdater.setPrefContext(screen.getContext());
             mBluetoothDeviceUpdater.forceUpdate();
+            mSavedDockUpdater.forceUpdate();
         }
     }
 
@@ -105,6 +117,11 @@ public class SavedDeviceGroupController extends BasePreferenceController
 
     @VisibleForTesting
     public void setBluetoothDeviceUpdater(BluetoothDeviceUpdater bluetoothDeviceUpdater) {
-        mBluetoothDeviceUpdater  = bluetoothDeviceUpdater;
+        mBluetoothDeviceUpdater = bluetoothDeviceUpdater;
+    }
+
+    @VisibleForTesting
+    public void setSavedDockUpdater(DockUpdater savedDockUpdater) {
+        mSavedDockUpdater = savedDockUpdater;
     }
 }

tests/robotests/src/com/android/settings/connecteddevice/SavedDeviceGroupControllerTest.java

@@ -27,6 +27,7 @@ import android.content.Context;
 import android.content.pm.PackageManager;
 import android.support.v7.preference.PreferenceManager;
 import com.android.settings.bluetooth.BluetoothDeviceUpdater;
+import com.android.settings.connecteddevice.dock.DockUpdater;
 import com.android.settings.dashboard.DashboardFragment;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 import com.android.settingslib.core.lifecycle.Lifecycle;
@@ -47,6 +48,8 @@ public class SavedDeviceGroupControllerTest {
     private DashboardFragment mDashboardFragment;
     @Mock
     private BluetoothDeviceUpdater mBluetoothDeviceUpdater;
+    @Mock
+    private DockUpdater mSavedDockUpdater;
     @Mock(answer = Answers.RETURNS_DEEP_STUBS)
     private PreferenceManager mPreferenceManager;
     @Mock
@@ -67,6 +70,7 @@ public class SavedDeviceGroupControllerTest {
         doReturn(mPackageManager).when(mContext).getPackageManager();
         mSavedDeviceGroupController = new SavedDeviceGroupController(mContext);
         mSavedDeviceGroupController.setBluetoothDeviceUpdater(mBluetoothDeviceUpdater);
+        mSavedDeviceGroupController.setSavedDockUpdater(mSavedDockUpdater);
     }
 
     @Test
@@ -74,12 +78,14 @@ public class SavedDeviceGroupControllerTest {
         // register the callback in onStart()
         mSavedDeviceGroupController.onStart();
         verify(mBluetoothDeviceUpdater).registerCallback();
+        verify(mSavedDockUpdater).registerCallback();
     }
     @Test
     public void testUnregister() {
         // unregister the callback in onStop()
         mSavedDeviceGroupController.onStop();
         verify(mBluetoothDeviceUpdater).unregisterCallback();
+        verify(mSavedDockUpdater).unregisterCallback();
     }
     @Test
     public void testGetAvailabilityStatus_noBluetoothFeature_returnUnSupported() {
@@ -93,4 +99,4 @@ public class SavedDeviceGroupControllerTest {
         assertThat(mSavedDeviceGroupController.getAvailabilityStatus()).isEqualTo(
                 AVAILABLE);
     }
-}
+}