Create a feature provider for data plan feature. This change will

allow us to enable/disable this feature from adb shell.

Bug: 62349208
Test: make RunSettingsRoboTests -j40
Change-Id: I2d0bed738d5d4cd0fe1de056ee37092d46be72b6

src/com/android/settings/datausage/DataPlanFeatureProvider.java

@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) 2017 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.datausage;
+
+/**
+ * Feature provider for data plan feature.
+ */
+public interface DataPlanFeatureProvider {
+  /**
+   * @return whether data plan feature is enabled.
+   */
+  boolean isEnabled();
+}

src/com/android/settings/datausage/DataPlanFeatureProviderImpl.java

@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) 2017 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.datausage;
+
+import android.os.SystemProperties;
+
+/**
+ * Impl for data plan feature provider.
+ */
+public final class DataPlanFeatureProviderImpl implements DataPlanFeatureProvider {
+  private static final String ENABLE_SETTINGS_DATA_PLAN = "enable.settings.data.plan";
+
+  @Override
+  public boolean isEnabled() {
+    return SystemProperties.getBoolean(ENABLE_SETTINGS_DATA_PLAN, false /* default */);
+  }
+}

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

@@ -26,6 +26,7 @@ import com.android.settings.bluetooth.BluetoothFeatureProvider;
 import com.android.settings.core.instrumentation.MetricsFeatureProvider;
 import com.android.settings.dashboard.DashboardFeatureProvider;
 import com.android.settings.dashboard.suggestions.SuggestionFeatureProvider;
+import com.android.settings.datausage.DataPlanFeatureProvider;
 import com.android.settings.enterprise.EnterprisePrivacyFeatureProvider;
 import com.android.settings.fuelgauge.PowerUsageFeatureProvider;
 import com.android.settings.gestures.AssistGestureFeatureProvider;
@@ -100,6 +101,8 @@ public abstract class FeatureFactory {
 
     public abstract BluetoothFeatureProvider getBluetoothFeatureProvider(Context context);
 
+    public abstract DataPlanFeatureProvider getDataPlanFeatureProvider();
+
     public static final class FactoryNotFoundException extends RuntimeException {
         public FactoryNotFoundException(Throwable throwable) {
             super("Unable to create factory. Did you misconfigure Proguard?", throwable);

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

@@ -34,6 +34,8 @@ import com.android.settings.dashboard.DashboardFeatureProvider;
 import com.android.settings.dashboard.DashboardFeatureProviderImpl;
 import com.android.settings.dashboard.suggestions.SuggestionFeatureProvider;
 import com.android.settings.dashboard.suggestions.SuggestionFeatureProviderImpl;
+import com.android.settings.datausage.DataPlanFeatureProvider;
+import com.android.settings.datausage.DataPlanFeatureProviderImpl;
 import com.android.settings.enterprise.DevicePolicyManagerWrapperImpl;
 import com.android.settings.enterprise.EnterprisePrivacyFeatureProvider;
 import com.android.settings.enterprise.EnterprisePrivacyFeatureProviderImpl;
@@ -69,6 +71,7 @@ public class FeatureFactoryImpl extends FeatureFactory {
     private AssistGestureFeatureProvider mAssistGestureFeatureProvider;
     private UserFeatureProvider mUserFeatureProvider;
     private BluetoothFeatureProvider mBluetoothFeatureProvider;
+    private DataPlanFeatureProvider mDataPlanFeatureProvider;
 
     @Override
     public SupportFeatureProvider getSupportFeatureProvider(Context context) {
@@ -179,6 +182,14 @@ public class FeatureFactoryImpl extends FeatureFactory {
         return mBluetoothFeatureProvider;
     }
 
+    @Override
+    public DataPlanFeatureProvider getDataPlanFeatureProvider() {
+        if (mDataPlanFeatureProvider == null) {
+            mDataPlanFeatureProvider = new DataPlanFeatureProviderImpl();
+        }
+        return mDataPlanFeatureProvider;
+    }
+
     @Override
     public AssistGestureFeatureProvider getAssistGestureFeatureProvider() {
         if (mAssistGestureFeatureProvider == null) {

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

@@ -22,6 +22,7 @@ import com.android.settings.bluetooth.BluetoothFeatureProvider;
 import com.android.settings.core.instrumentation.MetricsFeatureProvider;
 import com.android.settings.dashboard.DashboardFeatureProvider;
 import com.android.settings.dashboard.suggestions.SuggestionFeatureProvider;
+import com.android.settings.datausage.DataPlanFeatureProvider;
 import com.android.settings.enterprise.EnterprisePrivacyFeatureProvider;
 import com.android.settings.fuelgauge.PowerUsageFeatureProvider;
 import com.android.settings.gestures.AssistGestureFeatureProvider;
@@ -57,6 +58,7 @@ public class FakeFeatureFactory extends FeatureFactory {
     public final UserFeatureProvider userFeatureProvider;
     public final AssistGestureFeatureProvider assistGestureFeatureProvider;
     public final BluetoothFeatureProvider bluetoothFeatureProvider;
+    public final DataPlanFeatureProvider dataPlanFeatureProvider;
 
     /**
      * Call this in {@code @Before} method of the test class to use fake factory.
@@ -94,6 +96,7 @@ public class FakeFeatureFactory extends FeatureFactory {
         userFeatureProvider = mock(UserFeatureProvider.class);
         assistGestureFeatureProvider = mock(AssistGestureFeatureProvider.class);
         bluetoothFeatureProvider = mock(BluetoothFeatureProvider.class);
+        dataPlanFeatureProvider = mock(DataPlanFeatureProvider.class);
     }
 
     @Override
@@ -161,6 +164,11 @@ public class FakeFeatureFactory extends FeatureFactory {
         return bluetoothFeatureProvider;
     }
 
+    @Override
+    public DataPlanFeatureProvider getDataPlanFeatureProvider() {
+        return dataPlanFeatureProvider;
+    }
+
     @Override
     public AssistGestureFeatureProvider getAssistGestureFeatureProvider() {
         return assistGestureFeatureProvider;