Merge "Add auto restriction preference" into pi-dev

am: f178692bc5

Change-Id: I097a604222b45e5048e0f5e9c831766b2bf0b5e5

res/values/strings.xml

@@ -4914,6 +4914,11 @@
         <item quantity="other">%1$d apps</item>
     </plurals>
 
+    <!-- Title for auto restriction toggle -->
+    <string name="battery_auto_restriction_title">Restrict apps automatically</string>
+    <!-- Summary for auto restriction toggle -->
+    <string name="battery_auto_restriction_summary">Prevent apps from using extra battery in the background</string>
+
     <!-- Title for force stop dialog [CHAR LIMIT=30] -->
     <string name="dialog_stop_title">Stop app?</string>
     <!-- Message body for force stop dialog [CHAR LIMIT=NONE] -->

res/xml/smart_battery_detail.xml

@@ -15,7 +15,9 @@
   limitations under the License.
   -->
 
-<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
+<PreferenceScreen
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:settings="http://schemas.android.com/apk/res-auto"
     android:key="smart_battery_detail"
     android:title="@string/smart_battery_manager_title">
 
@@ -32,6 +34,12 @@
         android:title="@string/smart_battery_title"
         android:summary="@string/smart_battery_summary"/>
 
+    <SwitchPreference
+        android:key="auto_restriction"
+        android:title="@string/battery_auto_restriction_title"
+        android:summary="@string/battery_auto_restriction_summary"
+        settings:controller="com.android.settings.fuelgauge.AutoRestrictionPreferenceController"/>
+
     <Preference
         android:key="restricted_app"
         android:title="@string/restricted_app_title"/>

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

@@ -0,0 +1,65 @@
+/*
+ * 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.fuelgauge;
+
+import android.content.Context;
+import android.provider.Settings;
+import android.support.v14.preference.SwitchPreference;
+import android.support.v7.preference.Preference;
+
+import com.android.settings.core.BasePreferenceController;
+import com.android.settings.overlay.FeatureFactory;
+
+/**
+ * Controller to change and update the auto restriction toggle
+ */
+public class AutoRestrictionPreferenceController extends BasePreferenceController implements
+        Preference.OnPreferenceChangeListener {
+    private static final String KEY_SMART_BATTERY = "auto_restriction";
+    private static final int ON = 1;
+    private static final int OFF = 0;
+    private PowerUsageFeatureProvider mPowerUsageFeatureProvider;
+
+    public AutoRestrictionPreferenceController(Context context) {
+        super(context, KEY_SMART_BATTERY);
+        mPowerUsageFeatureProvider = FeatureFactory.getFactory(
+                context).getPowerUsageFeatureProvider(context);
+    }
+
+    @Override
+    public int getAvailabilityStatus() {
+        return mPowerUsageFeatureProvider.isSmartBatterySupported()
+                ? DISABLED_UNSUPPORTED
+                : AVAILABLE;
+    }
+
+    @Override
+    public void updateState(Preference preference) {
+        super.updateState(preference);
+        final boolean smartBatteryOn = Settings.Global.getInt(mContext.getContentResolver(),
+                Settings.Global.APP_AUTO_RESTRICTION_ENABLED, ON) == ON;
+        ((SwitchPreference) preference).setChecked(smartBatteryOn);
+    }
+
+    @Override
+    public boolean onPreferenceChange(Preference preference, Object newValue) {
+        final boolean smartBatteryOn = (Boolean) newValue;
+        Settings.Global.putInt(mContext.getContentResolver(),
+                Settings.Global.APP_AUTO_RESTRICTION_ENABLED,
+                smartBatteryOn ? ON : OFF);
+        return true;
+    }
+}

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

@@ -118,4 +118,9 @@ public interface PowerUsageFeatureProvider {
      * the caller
      */
     boolean getEarlyWarningSignal(Context context, String id);
+
+    /**
+     * Checks whether smart battery feature is supported in this device
+     */
+    boolean isSmartBatterySupported();
 }

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

@@ -136,4 +136,9 @@ public class PowerUsageFeatureProviderImpl implements PowerUsageFeatureProvider
     public boolean getEarlyWarningSignal(Context context, String id) {
         return false;
     }
+
+    @Override
+    public boolean isSmartBatterySupported() {
+        return false;
+    }
 }

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

@@ -19,12 +19,11 @@ package com.android.settings.fuelgauge;
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
 import android.support.v14.preference.SwitchPreference;
 import android.support.v7.preference.Preference;
 
-import com.android.settings.applications.LayoutPreference;
 import com.android.settings.core.BasePreferenceController;
+import com.android.settings.overlay.FeatureFactory;
 
 /**
  * Controller to change and update the smart battery toggle
@@ -34,15 +33,19 @@ public class SmartBatteryPreferenceController extends BasePreferenceController i
     private static final String KEY_SMART_BATTERY = "smart_battery";
     private static final int ON = 1;
     private static final int OFF = 0;
+    private PowerUsageFeatureProvider mPowerUsageFeatureProvider;
 
     public SmartBatteryPreferenceController(Context context) {
         super(context, KEY_SMART_BATTERY);
+        mPowerUsageFeatureProvider = FeatureFactory.getFactory(context)
+                .getPowerUsageFeatureProvider(context);
     }
 
     @Override
     public int getAvailabilityStatus() {
-        // TODO(b/71502850): get Availability from API. The device may not support it.
+        return mPowerUsageFeatureProvider.isSmartBatterySupported()
-        return AVAILABLE;
+                ? AVAILABLE
+                : DISABLED_UNSUPPORTED;
     }
 
     @Override

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

@@ -0,0 +1,115 @@
+/*
+ * 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.fuelgauge;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.Mockito.doReturn;
+
+import android.content.Context;
+import android.provider.Settings;
+import android.support.v14.preference.SwitchPreference;
+
+import com.android.settings.core.BasePreferenceController;
+import com.android.settings.testutils.FakeFeatureFactory;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.RobolectricTestRunner;
+import org.robolectric.RuntimeEnvironment;
+
+@RunWith(RobolectricTestRunner.class)
+public class AutoRestrictionPreferenceControllerTest {
+    private static final int ON = 1;
+    private static final int OFF = 0;
+
+    private AutoRestrictionPreferenceController mController;
+    private SwitchPreference mPreference;
+    private Context mContext;
+    private FakeFeatureFactory mFeatureFactory;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+
+        mFeatureFactory = FakeFeatureFactory.setupForTest();
+        mContext = RuntimeEnvironment.application;
+        mController = new AutoRestrictionPreferenceController(mContext);
+        mPreference = new SwitchPreference(mContext);
+    }
+
+    @Test
+    public void testUpdateState_AutoRestrictionOn_preferenceChecked() {
+        putAutoRestrictionValue(ON);
+
+        mController.updateState(mPreference);
+
+        assertThat(mPreference.isChecked()).isTrue();
+    }
+
+    @Test
+    public void testUpdateState_AutoRestrictionOff_preferenceUnchecked() {
+        putAutoRestrictionValue(OFF);
+
+        mController.updateState(mPreference);
+
+        assertThat(mPreference.isChecked()).isFalse();
+    }
+
+    @Test
+    public void testUpdateState_checkPreference_autoRestrictionOn() {
+        mController.onPreferenceChange(mPreference, true);
+
+        assertThat(getAutoRestrictionValue()).isEqualTo(ON);
+    }
+
+    @Test
+    public void testUpdateState_unCheckPreference_autoRestrictionOff() {
+        mController.onPreferenceChange(mPreference, false);
+
+        assertThat(getAutoRestrictionValue()).isEqualTo(OFF);
+    }
+
+    @Test
+    public void testGetAvailabilityStatus_smartBatterySupported_returnDisabled() {
+        doReturn(true).when(mFeatureFactory.powerUsageFeatureProvider).isSmartBatterySupported();
+
+        assertThat(mController.getAvailabilityStatus()).isEqualTo(
+                BasePreferenceController.DISABLED_UNSUPPORTED);
+    }
+
+    @Test
+    public void testGetAvailabilityStatus_smartBatteryUnSupported_returnAvailable() {
+        doReturn(false).when(mFeatureFactory.powerUsageFeatureProvider).isSmartBatterySupported();
+
+        assertThat(mController.getAvailabilityStatus()).isEqualTo(
+                BasePreferenceController.AVAILABLE);
+    }
+
+    private void putAutoRestrictionValue(int value) {
+        Settings.Global.putInt(mContext.getContentResolver(),
+                Settings.Global.APP_AUTO_RESTRICTION_ENABLED,
+                value);
+    }
+
+    private int getAutoRestrictionValue() {
+        return Settings.Global.getInt(mContext.getContentResolver(),
+                Settings.Global.APP_AUTO_RESTRICTION_ENABLED, ON);
+    }
+}

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

@@ -136,4 +136,9 @@ public class PowerUsageFeatureProviderImplTest {
     public void testIsPowerAccountingToggleEnabled_returnTrue() {
         assertThat(mPowerFeatureProvider.isPowerAccountingToggleEnabled()).isTrue();
     }
+
+    @Test
+    public void testIsSmartBatterySupported_returnFalse() {
+        assertThat(mPowerFeatureProvider.isSmartBatterySupported()).isFalse();
+    }
 }

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

@@ -18,10 +18,16 @@ package com.android.settings.fuelgauge;
 
 import static com.google.common.truth.Truth.assertThat;
 
+import static org.mockito.Mockito.doReturn;
+
 import android.content.ContentResolver;
+import android.content.Context;
 import android.provider.Settings;
 import android.support.v14.preference.SwitchPreference;
 
+import com.android.settings.core.BasePreferenceController;
+import com.android.settings.testutils.FakeFeatureFactory;
+
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -38,11 +44,15 @@ public class SmartBatteryPreferenceControllerTest {
     private SmartBatteryPreferenceController mController;
     private SwitchPreference mPreference;
     private ContentResolver mContentResolver;
+    private Context mContext;
+    private FakeFeatureFactory mFeatureFactory;
+
 
     @Before
     public void setUp() {
         MockitoAnnotations.initMocks(this);
 
+        mFeatureFactory = FakeFeatureFactory.setupForTest();
         mContentResolver = RuntimeEnvironment.application.getContentResolver();
         mController = new SmartBatteryPreferenceController(RuntimeEnvironment.application);
         mPreference = new SwitchPreference(RuntimeEnvironment.application);
@@ -80,6 +90,22 @@ public class SmartBatteryPreferenceControllerTest {
         assertThat(getSmartBatteryValue()).isEqualTo(OFF);
     }
 
+    @Test
+    public void testGetAvailabilityStatus_smartBatterySupported_returnAvailable() {
+        doReturn(true).when(mFeatureFactory.powerUsageFeatureProvider).isSmartBatterySupported();
+
+        assertThat(mController.getAvailabilityStatus()).isEqualTo(
+                BasePreferenceController.AVAILABLE);
+    }
+
+    @Test
+    public void testGetAvailabilityStatus_smartBatteryUnSupported_returnDisabled() {
+        doReturn(false).when(mFeatureFactory.powerUsageFeatureProvider).isSmartBatterySupported();
+
+        assertThat(mController.getAvailabilityStatus()).isEqualTo(
+                BasePreferenceController.DISABLED_UNSUPPORTED);
+    }
+
     private void putSmartBatteryValue(int value) {
         Settings.Global.putInt(mContentResolver, Settings.Global.APP_STANDBY_ENABLED, value);
     }