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/*
* Copyright (C) 2015 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.os.IDeviceIdleController;
import android.os.RemoteException;
import android.os.ServiceManager;
import android.util.ArraySet;
import android.util.Log;
/**
* Handles getting/changing the whitelist for the exceptions to battery saving features.
*/
public class PowerWhitelistBackend {
private static final String TAG = "PowerWhitelistBackend";
private static final String DEVICE_IDLE_SERVICE = "deviceidle";
private static final PowerWhitelistBackend INSTANCE = new PowerWhitelistBackend();
private final IDeviceIdleController mDeviceIdleService;
private final ArraySet<String> mWhitelistedApps = new ArraySet<>();
private final ArraySet<String> mSysWhitelistedApps = new ArraySet<>();
public PowerWhitelistBackend() {
mDeviceIdleService = IDeviceIdleController.Stub.asInterface(
ServiceManager.getService(DEVICE_IDLE_SERVICE));
refreshList();
}
public int getWhitelistSize() {
return mWhitelistedApps.size();
}
public boolean isSysWhitelisted(String pkg) {
return mSysWhitelistedApps.contains(pkg);
}
public boolean isWhitelisted(String pkg) {
return mWhitelistedApps.contains(pkg);
}
public void addApp(String pkg) {
try {
mDeviceIdleService.addPowerSaveWhitelistApp(pkg);
mWhitelistedApps.add(pkg);
} catch (RemoteException e) {
Log.w(TAG, "Unable to reach IDeviceIdleController", e);
}
}
public void removeApp(String pkg) {
try {
mDeviceIdleService.removePowerSaveWhitelistApp(pkg);
mWhitelistedApps.remove(pkg);
} catch (RemoteException e) {
Log.w(TAG, "Unable to reach IDeviceIdleController", e);
}
}
private void refreshList() {
mSysWhitelistedApps.clear();
mWhitelistedApps.clear();
try {
String[] whitelistedApps = mDeviceIdleService.getFullPowerWhitelist();
for (String app : whitelistedApps) {
mWhitelistedApps.add(app);
}
String[] sysWhitelistedApps = mDeviceIdleService.getSystemPowerWhitelist();
for (String app : sysWhitelistedApps) {
mSysWhitelistedApps.add(app);
}
} catch (RemoteException e) {
Log.w(TAG, "Unable to reach IDeviceIdleController", e);
}
}
public static PowerWhitelistBackend getInstance() {
return INSTANCE;
}
}
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