Revert "Remove battery saver condition."

This reverts commit 44b28f4a2b.
Bug: 121115306
Test: robotests

Reason for revert: Change of design

Change-Id: Ia2b9131595d582fd8300367f729fde2b3de81b6e

res/drawable/ic_battery_saver_accent_24dp.xml

@@ -0,0 +1,29 @@
+<!--
+  Copyright (C) 2018 The Android Open Source Project
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+  -->
+
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportWidth="24.0"
+        android:viewportHeight="24.0"
+        android:tint="?android:attr/colorAccent">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M15,14l-2,0l0,2l-2,0l0,-2l-2,0l0,-2l2,0l0,-2l2,0l0,2l2,0z"/>
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M16.2,22.5H7.8c-1.3,0 -2.3,-1 -2.3,-2.3V5.8c0,-1.3 1,-2.3 2.3,-2.3h0.7v-2h7v2h0.7c1.3,0 2.3,1.1 2.3,2.3v14.3C18.5,21.5 17.5,22.5 16.2,22.5zM7.8,5.5c-0.2,0 -0.3,0.2 -0.3,0.3v14.3c0,0.2 0.2,0.3 0.3,0.3h8.3c0.2,0 0.3,-0.1 0.3,-0.3V5.8c0,-0.2 -0.1,-0.3 -0.3,-0.3h-2.7v-2h-3v2H7.8z"/>
+</vector>

res/values/strings.xml

@@ -9094,6 +9094,12 @@
     <!-- Summary of condition that do not disturb is on [CHAR LIMIT=36] -->
     <string name="condition_zen_summary">Impacts what you hear and see</string>
 
+    <!-- Title of condition that battery saver is on [CHAR LIMIT=30] -->
+    <string name="condition_battery_title">Battery Saver is on</string>
+
+    <!-- Summary of condition that battery saver is on [CHAR LIMIT=NONE] -->
+    <string name="condition_battery_summary">Features restricted</string>
+
     <!-- Title of condition that cellular data is off [CHAR LIMIT=50] -->
     <string name="condition_cellular_title">Mobile data is off</string>
 

src/com/android/settings/homepage/contextualcards/conditional/BatterySaverConditionController.java

@@ -0,0 +1,108 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.homepage.contextualcards.conditional;
+
+import android.content.Context;
+import android.os.PowerManager;
+
+import com.android.internal.logging.nano.MetricsProto;
+import com.android.settings.R;
+import com.android.settings.core.SubSettingLauncher;
+import com.android.settings.fuelgauge.BatterySaverReceiver;
+import com.android.settings.fuelgauge.batterysaver.BatterySaverSettings;
+import com.android.settings.homepage.contextualcards.ContextualCard;
+import com.android.settingslib.fuelgauge.BatterySaverUtils;
+
+import java.util.Objects;
+
+public class BatterySaverConditionController implements ConditionalCardController,
+        BatterySaverReceiver.BatterySaverListener {
+    static final int ID = Objects.hash("BatterySaverConditionController");
+
+    private final Context mAppContext;
+    private final ConditionManager mConditionManager;
+    private final BatterySaverReceiver mReceiver;
+    private final PowerManager mPowerManager;
+
+    public BatterySaverConditionController(Context appContext, ConditionManager conditionManager) {
+        mAppContext = appContext;
+        mConditionManager = conditionManager;
+        mPowerManager = appContext.getSystemService(PowerManager.class);
+        mReceiver = new BatterySaverReceiver(appContext);
+        mReceiver.setBatterySaverListener(this);
+    }
+
+    @Override
+    public long getId() {
+        return ID;
+    }
+
+    @Override
+    public boolean isDisplayable() {
+        return mPowerManager.isPowerSaveMode();
+    }
+
+    @Override
+    public void onPrimaryClick(Context context) {
+        new SubSettingLauncher(context)
+                .setDestination(BatterySaverSettings.class.getName())
+                .setSourceMetricsCategory(MetricsProto.MetricsEvent.DASHBOARD_SUMMARY)
+                .setTitleRes(R.string.battery_saver)
+                .launch();
+    }
+
+    @Override
+    public void onActionClick() {
+        BatterySaverUtils.setPowerSaveMode(mAppContext, false,
+                /*needFirstTimeWarning*/ false);
+    }
+
+    @Override
+    public ContextualCard buildContextualCard() {
+        return new ConditionalContextualCard.Builder()
+                .setConditionId(ID)
+                .setMetricsConstant(MetricsProto.MetricsEvent.SETTINGS_CONDITION_BATTERY_SAVER)
+                .setActionText(mAppContext.getText(R.string.condition_turn_off))
+                .setName(mAppContext.getPackageName() + "/"
+                        + mAppContext.getText(R.string.condition_battery_title))
+                .setTitleText(mAppContext.getText(R.string.condition_battery_title).toString())
+                .setSummaryText(mAppContext.getText(R.string.condition_battery_summary).toString())
+                .setIconDrawable(mAppContext.getDrawable(R.drawable.ic_battery_saver_accent_24dp))
+                .setIsHalfWidth(true)
+                .build();
+    }
+
+    @Override
+    public void startMonitoringStateChange() {
+        mReceiver.setListening(true);
+    }
+
+    @Override
+    public void stopMonitoringStateChange() {
+        mReceiver.setListening(false);
+    }
+
+    @Override
+    public void onPowerSaveModeChanged() {
+        mConditionManager.onConditionChanged();
+    }
+
+    @Override
+    public void onBatteryChanged(boolean pluggedIn) {
+
+    }
+}

src/com/android/settings/homepage/contextualcards/conditional/ConditionManager.java

@@ -154,6 +154,7 @@ public class ConditionManager {
         mCardControllers.add(new AirplaneModeConditionController(mAppContext, this /* manager */));
         mCardControllers.add(
                 new BackgroundDataConditionController(mAppContext, this /* manager */));
+        mCardControllers.add(new BatterySaverConditionController(mAppContext, this /* manager */));
         mCardControllers.add(new CellularDataConditionController(mAppContext, this /* manager */));
         mCardControllers.add(new DndConditionCardController(mAppContext, this /* manager */));
         mCardControllers.add(new HotspotConditionController(mAppContext, this /* manager */));

src/com/android/settings/homepage/contextualcards/deviceinfo/BatteryInfoSlice.java

@@ -42,15 +42,15 @@ import com.android.settings.slices.SliceBuilderUtils;
 /**
  * Utility class to build a Battery Slice, and handle all associated actions.
  */
-public class BatterySlice implements CustomSliceable {
+public class BatteryInfoSlice implements CustomSliceable {
-    private static final String TAG = "BatterySlice";
+    private static final String TAG = "BatteryInfoSlice";
 
     private final Context mContext;
 
     private BatteryInfo mBatteryInfo;
     private boolean mIsBatteryInfoLoading;
 
-    public BatterySlice(Context context) {
+    public BatteryInfoSlice(Context context) {
         mContext = context;
     }
 

src/com/android/settings/slices/CustomSliceManager.java

@@ -23,7 +23,7 @@ import android.util.ArrayMap;
 import androidx.annotation.VisibleForTesting;
 
 import com.android.settings.flashlight.FlashlightSlice;
-import com.android.settings.homepage.contextualcards.deviceinfo.BatterySlice;
+import com.android.settings.homepage.contextualcards.deviceinfo.BatteryInfoSlice;
 import com.android.settings.homepage.contextualcards.deviceinfo.DataUsageSlice;
 import com.android.settings.homepage.contextualcards.deviceinfo.DeviceInfoSlice;
 import com.android.settings.homepage.contextualcards.deviceinfo.EmergencyInfoSlice;
@@ -106,7 +106,7 @@ public class CustomSliceManager {
 
     private void addSlices() {
         mUriMap.put(CustomSliceRegistry.BATTERY_FIX_SLICE_URI, BatteryFixSlice.class);
-        mUriMap.put(CustomSliceRegistry.BATTERY_INFO_SLICE_URI, BatterySlice.class);
+        mUriMap.put(CustomSliceRegistry.BATTERY_INFO_SLICE_URI, BatteryInfoSlice.class);
         mUriMap.put(CustomSliceRegistry.BLUETOOTH_DEVICES_SLICE_URI, BluetoothDevicesSlice.class);
         mUriMap.put(CustomSliceRegistry.CONTEXTUAL_WIFI_SLICE_URI, ContextualWifiSlice.class);
         mUriMap.put(CustomSliceRegistry.DATA_USAGE_SLICE_URI, DataUsageSlice.class);

tests/robotests/src/com/android/settings/homepage/contextualcards/conditional/BatterySaverConditionControllerTest.java

@@ -0,0 +1,86 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.homepage.contextualcards.conditional;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.verify;
+
+import android.content.Context;
+import android.content.IntentFilter;
+import android.os.PowerManager;
+
+import com.android.settings.fuelgauge.BatterySaverReceiver;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.RobolectricTestRunner;
+import org.robolectric.RuntimeEnvironment;
+import org.robolectric.Shadows;
+import org.robolectric.shadows.ShadowPowerManager;
+
+@RunWith(RobolectricTestRunner.class)
+public class BatterySaverConditionControllerTest {
+    @Mock
+    private ConditionManager mConditionManager;
+
+    private ShadowPowerManager mPowerManager;
+    private Context mContext;
+    private BatterySaverConditionController mController;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        mContext = spy(RuntimeEnvironment.application);
+        mPowerManager = Shadows.shadowOf(mContext.getSystemService(PowerManager.class));
+        mController = new BatterySaverConditionController(mContext, mConditionManager);
+    }
+
+    @Test
+    public void startMonitor_shouldRegisterReceiver() {
+        mController.startMonitoringStateChange();
+
+        verify(mContext).registerReceiver(any(BatterySaverReceiver.class), any(IntentFilter.class));
+    }
+
+    @Test
+    public void stopMonitor_shouldUnregisterReceiver() {
+        mController.startMonitoringStateChange();
+        mController.stopMonitoringStateChange();
+
+        verify(mContext).unregisterReceiver(any(BatterySaverReceiver.class));
+    }
+
+    @Test
+    public void isDisplayable_PowerSaverOn_true() {
+        mPowerManager.setIsPowerSaveMode(true);
+
+        assertThat(mController.isDisplayable()).isTrue();
+    }
+
+    @Test
+    public void isDisplayable_PowerSaverOff_false() {
+        mPowerManager.setIsPowerSaveMode(false);
+
+        assertThat(mController.isDisplayable()).isFalse();
+    }
+}

tests/robotests/src/com/android/settings/homepage/contextualcards/deviceinfo/BatteryInfoSliceTest.java

@@ -40,10 +40,10 @@ import org.robolectric.RobolectricTestRunner;
 import org.robolectric.RuntimeEnvironment;
 
 @RunWith(RobolectricTestRunner.class)
-public class BatterySliceTest {
+public class BatteryInfoSliceTest {
 
     private Context mContext;
-    private BatterySlice mBatterySlice;
+    private BatteryInfoSlice mBatteryInfoSlice;
 
     @Before
     public void setUp() {
@@ -52,16 +52,16 @@ public class BatterySliceTest {
         // Set-up specs for SliceMetadata.
         SliceProvider.setSpecs(SliceLiveData.SUPPORTED_SPECS);
 
-        mBatterySlice = spy(new BatterySlice(mContext));
+        mBatteryInfoSlice = spy(new BatteryInfoSlice(mContext));
     }
 
     @Test
     public void getSlice_shouldBeCorrectSliceContent() {
-        doNothing().when(mBatterySlice).loadBatteryInfo();
+        doNothing().when(mBatteryInfoSlice).loadBatteryInfo();
-        doReturn("10%").when(mBatterySlice).getBatteryPercentString();
+        doReturn("10%").when(mBatteryInfoSlice).getBatteryPercentString();
-        doReturn("test").when(mBatterySlice).getSummary();
+        doReturn("test").when(mBatteryInfoSlice).getSummary();
 
-        final Slice slice = mBatterySlice.getSlice();
+        final Slice slice = mBatteryInfoSlice.getSlice();
 
         final SliceMetadata metadata = SliceMetadata.from(mContext, slice);
         assertThat(metadata.getTitle()).isEqualTo(