Adds a menu item for additional battery info to battery settings.

Bug: 33352540
Test: No additional test failures.

Change-Id: Ibfc1a9463c93d3c087ed712fe45d3d0717472c6a

res/values/strings.xml

@@ -6985,6 +6985,9 @@
     <!-- Label for list to control apps that ignore battery saving restrictions [CHAR LIMIT=27]-->
     <string name="high_power_apps">Battery optimization</string>
 
+    <!-- Label for menu to launch additional battery info -->
+    <string name="additional_battery_info" translatable="false">Additional battery info</string>
+
     <!-- Filter for apps allowed to use a lot of power [CHAR LIMIT=25] -->
     <string name="high_power_filter_on">Not optimized</string>
 

src/com/android/settings/fuelgauge/PowerUsageBase.java

@@ -25,6 +25,7 @@ import android.os.Bundle;
 import android.os.Handler;
 import android.os.Message;
 import android.os.UserManager;
+import android.support.annotation.VisibleForTesting;
 import android.view.Menu;
 import android.view.MenuInflater;
 import android.view.MenuItem;
@@ -39,7 +40,8 @@ import com.android.settings.SettingsPreferenceFragment;
 public abstract class PowerUsageBase extends SettingsPreferenceFragment {
 
     // +1 to allow ordering for PowerUsageSummary.
-    private static final int MENU_STATS_REFRESH = Menu.FIRST + 1;
+    @VisibleForTesting
+    static final int MENU_STATS_REFRESH = Menu.FIRST + 1;
 
     protected BatteryStatsHelper mStatsHelper;
     protected UserManager mUm;

src/com/android/settings/fuelgauge/PowerUsageDetail.java

@@ -350,8 +350,10 @@ public class PowerUsageDetail extends PowerUsageBase implements Button.OnClickLi
     @Override
     public void onCreate(Bundle icicle) {
         super.onCreate(icicle);
-        mPm = getActivity().getPackageManager();
+
-        mDpm = (DevicePolicyManager)getActivity().getSystemService(Context.DEVICE_POLICY_SERVICE);
+        Activity activity = getActivity();
+        mPm = activity.getPackageManager();
+        mDpm = (DevicePolicyManager) activity.getSystemService(Context.DEVICE_POLICY_SERVICE);
 
         addPreferencesFromResource(R.xml.power_usage_details);
         mDetailsParent = (PreferenceCategory) findPreference(KEY_DETAILS_PARENT);
@@ -360,7 +362,7 @@ public class PowerUsageDetail extends PowerUsageBase implements Button.OnClickLi
         mPackagesParent = (PreferenceCategory) findPreference(KEY_PACKAGES_PARENT);
 
         mPowerUsageFeatureProvider =
-                FeatureFactory.getFactory(getActivity()).getPowerUsageFeatureProvider();
+                FeatureFactory.getFactory(activity).getPowerUsageFeatureProvider(activity);
 
         createDetails();
     }

src/com/android/settings/fuelgauge/PowerUsageFeatureProvider.java

@@ -24,4 +24,6 @@ public interface PowerUsageFeatureProvider {
    * Check whether location setting is enabled
    */
   boolean isLocationSettingEnabled(String[] packages);
+
+  boolean isAdditionalBatteryInfoEnabled();
 }

src/com/android/settings/fuelgauge/PowerUsageSummary.java

@@ -26,6 +26,7 @@ import android.os.Handler;
 import android.os.Message;
 import android.os.Process;
 import android.os.UserHandle;
+import android.support.annotation.VisibleForTesting;
 import android.support.v7.preference.Preference;
 import android.support.v7.preference.PreferenceGroup;
 import android.text.TextUtils;
@@ -43,6 +44,7 @@ import com.android.settings.Settings.HighPowerApplicationsActivity;
 import com.android.settings.SettingsActivity;
 import com.android.settings.applications.ManageApplications;
 import com.android.settings.dashboard.SummaryLoader;
+import com.android.settings.overlay.FeatureFactory;
 import com.android.settingslib.BatteryInfo;
 
 import java.util.ArrayList;
@@ -67,7 +69,9 @@ public class PowerUsageSummary extends PowerUsageBase {
 
     private static final int MENU_STATS_TYPE = Menu.FIRST;
     private static final int MENU_HIGH_POWER_APPS = Menu.FIRST + 3;
-    private static final int MENU_HELP = Menu.FIRST + 4;
+    @VisibleForTesting
+    static final int MENU_ADDITIONAL_BATTERY_INFO = Menu.FIRST + 4;
+    private static final int MENU_HELP = Menu.FIRST + 5;
 
     private BatteryHistoryPreference mHistPref;
     private PreferenceGroup mAppListGroup;
@@ -130,12 +134,20 @@ public class PowerUsageSummary extends PowerUsageBase {
     @Override
     public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
         if (DEBUG) {
-            menu.add(0, MENU_STATS_TYPE, 0, R.string.menu_stats_total)
+            menu.add(Menu.NONE, MENU_STATS_TYPE, Menu.NONE, R.string.menu_stats_total)
                     .setIcon(com.android.internal.R.drawable.ic_menu_info_details)
                     .setAlphabeticShortcut('t');
         }
 
-        menu.add(0, MENU_HIGH_POWER_APPS, 0, R.string.high_power_apps);
+        menu.add(Menu.NONE, MENU_HIGH_POWER_APPS, Menu.NONE, R.string.high_power_apps);
+
+        PowerUsageFeatureProvider powerUsageFeatureProvider =
+                FeatureFactory.getFactory(getContext()).getPowerUsageFeatureProvider(getContext());
+        if (powerUsageFeatureProvider != null &&
+                powerUsageFeatureProvider.isAdditionalBatteryInfoEnabled()) {
+            menu.add(Menu.NONE, MENU_ADDITIONAL_BATTERY_INFO,
+                    Menu.NONE, R.string.additional_battery_info);
+        }
         super.onCreateOptionsMenu(menu, inflater);
     }
 

src/com/android/settings/overlay/FeatureFactory.java

@@ -70,7 +70,7 @@ public abstract class FeatureFactory {
 
     public abstract MetricsFeatureProvider getMetricsFeatureProvider();
 
-    public abstract PowerUsageFeatureProvider getPowerUsageFeatureProvider();
+    public abstract PowerUsageFeatureProvider getPowerUsageFeatureProvider(Context context);
 
     public abstract DashboardFeatureProvider getDashboardFeatureProvider(Context context);
 

src/com/android/settings/overlay/FeatureFactoryImpl.java

@@ -63,7 +63,7 @@ public class FeatureFactoryImpl extends FeatureFactory {
     }
 
     @Override
-    public PowerUsageFeatureProvider getPowerUsageFeatureProvider() {
+    public PowerUsageFeatureProvider getPowerUsageFeatureProvider(Context context) {
         return null;
     }
 

tests/robotests/src/com/android/settings/fuelgauge/PowerUsageSummaryTest.java

@@ -0,0 +1,94 @@
+package com.android.settings.fuelgauge;
+
+import android.content.Context;
+import android.view.Menu;
+import android.view.MenuInflater;
+import android.view.MenuItem;
+import com.android.settings.R;
+import com.android.settings.TestConfig;
+import com.android.settings.testutils.FakeFeatureFactory;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Answers;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.RobolectricTestRunner;
+import org.robolectric.annotation.Config;
+
+import static com.android.settings.fuelgauge.PowerUsageBase.MENU_STATS_REFRESH;
+import static com.android.settings.fuelgauge.PowerUsageSummary.MENU_ADDITIONAL_BATTERY_INFO;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+/**
+ * Unit tests for {@link PowerUsageSummary}.
+ */
+@RunWith(RobolectricTestRunner.class)
+@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION)
+public class PowerUsageSummaryTest {
+
+    @Mock(answer = Answers.RETURNS_DEEP_STUBS)
+    private Context mContext;
+    @Mock(answer = Answers.RETURNS_DEEP_STUBS)
+    private Menu mMenu;
+    @Mock
+    private MenuItem mRefresh;
+    @Mock
+    private MenuInflater mMenuInflater;
+
+    private TestFragment mFragment;
+    private FakeFeatureFactory mFeatureFactory;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        FakeFeatureFactory.setupForTest(mContext);
+        mFeatureFactory = (FakeFeatureFactory) FakeFeatureFactory.getFactory(mContext);
+
+        mFragment = new TestFragment(mContext);
+
+        when(mMenu.add(Menu.NONE, PowerUsageBase.MENU_STATS_REFRESH, Menu.NONE,
+                R.string.menu_stats_refresh)
+                .setIcon(com.android.internal.R.drawable.ic_menu_refresh)
+                .setAlphabeticShortcut('r'))
+                .thenReturn(mRefresh);
+    }
+
+    @Test
+    public void testOnCreateOptionsMenu_additionalBatteryInfoEnabled() {
+        when(mFeatureFactory.powerUsageFeatureProvider.isAdditionalBatteryInfoEnabled())
+                .thenReturn(true);
+
+        mFragment.onCreateOptionsMenu(mMenu, mMenuInflater);
+
+        verify(mMenu).add(Menu.NONE, MENU_ADDITIONAL_BATTERY_INFO,
+                Menu.NONE, R.string.additional_battery_info);
+    }
+
+    @Test
+    public void testOnCreateOptionsMenu_additionalBatteryInfoDisabled() {
+        when(mFeatureFactory.powerUsageFeatureProvider.isAdditionalBatteryInfoEnabled())
+                .thenReturn(false);
+
+        mFragment.onCreateOptionsMenu(mMenu, mMenuInflater);
+
+        verify(mMenu, never()).add(Menu.NONE, MENU_ADDITIONAL_BATTERY_INFO,
+                Menu.NONE, R.string.additional_battery_info);
+    }
+
+    public static class TestFragment extends PowerUsageSummary {
+
+        private Context mContext;
+
+        public TestFragment(Context context) {
+            mContext = context;
+        }
+
+        @Override
+        public Context getContext() {
+            return mContext;
+        }
+    }
+}

tests/robotests/src/com/android/settings/testutils/FakeFeatureFactory.java

@@ -91,7 +91,7 @@ public class FakeFeatureFactory extends FeatureFactory {
     }
 
     @Override
-    public PowerUsageFeatureProvider getPowerUsageFeatureProvider() {
+    public PowerUsageFeatureProvider getPowerUsageFeatureProvider(Context context) {
         return powerUsageFeatureProvider;
     }