Merge "Add auto restriction preference" into pi-dev

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 AVAILABLE;
+        return mPowerUsageFeatureProvider.isSmartBatterySupported()
+                ? AVAILABLE
+                : DISABLED_UNSUPPORTED;
     }
 
     @Override