Files
packages_apps_Settings/src/com/android/settings/overlay/FeatureFactory.java
Fan Zhang e0c253fccb Add summary provider for system tile.
Refactored getLocaleNames() into a FeatureProvider interface so it's
reusable and testable.

Bug: 31801428
Test: RunSettingsRoboTests
Change-Id: I2d31a66a4b32cfa7a364a4cfef1f6eea87084577
2016-10-14 11:08:51 -07:00

83 lines
3.2 KiB
Java

/*
* Copyright (C) 2016 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.overlay;
import android.content.Context;
import android.text.TextUtils;
import android.util.Log;
import com.android.settings.R;
import com.android.settings.core.instrumentation.MetricsFeatureProvider;
import com.android.settings.dashboard.DashboardFeatureProvider;
import com.android.settings.fuelgauge.PowerUsageFeatureProvider;
import com.android.settings.localepicker.LocaleFeatureProvider;
/**
* Abstract class for creating feature controllers. Allows OEM implementations to define their own
* factories with their own controllers containing whatever code is needed to implement
* the features. To provide a factory implementation, implementors should override
* {@link R.string#config_featureFactory} in their override.
*/
public abstract class FeatureFactory {
private static final String LOG_TAG = "FeatureFactory";
private static final boolean DEBUG = false;
protected static FeatureFactory sFactory;
/**
* Returns a factory for creating feature controllers. Creates the factory if it does not
* already exist. Uses the value of {@link R.string#config_featureFactory} to instantiate
* a factory implementation.
*/
public static FeatureFactory getFactory(Context context) {
if (sFactory != null) {
return sFactory;
}
if (DEBUG) Log.d(LOG_TAG, "getFactory");
final String clsName = context.getString(R.string.config_featureFactory);
if (TextUtils.isEmpty(clsName)) {
throw new UnsupportedOperationException("No feature factory configured");
}
try {
sFactory = (FeatureFactory) context.getClassLoader().loadClass(clsName).newInstance();
} catch (InstantiationException | IllegalAccessException | ClassNotFoundException e) {
throw new FactoryNotFoundException(e);
}
if (DEBUG) Log.d(LOG_TAG, "started " + sFactory.getClass().getSimpleName());
return sFactory;
}
public abstract SupportFeatureProvider getSupportFeatureProvider(Context context);
public abstract MetricsFeatureProvider getMetricsFeatureProvider();
public abstract PowerUsageFeatureProvider getPowerUsageFeatureProvider();
public abstract DashboardFeatureProvider getDashboardFeatureProvider(Context context);
public abstract LocaleFeatureProvider getLocaleFeatureProvider();
public static final class FactoryNotFoundException extends RuntimeException {
public FactoryNotFoundException(Throwable throwable) {
super("Unable to create factory. Did you misconfigure Proguard?", throwable);
}
}
}