| /* |
| * 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.settingslib.fuelgauge; |
| |
| import android.app.admin.DevicePolicyManager; |
| import android.content.ComponentName; |
| import android.content.Context; |
| import android.content.pm.PackageManager; |
| import android.os.IDeviceIdleController; |
| import android.os.RemoteException; |
| import android.os.ServiceManager; |
| import android.telecom.DefaultDialerManager; |
| import android.text.TextUtils; |
| import android.util.ArraySet; |
| import android.util.Log; |
| |
| import androidx.annotation.VisibleForTesting; |
| |
| import com.android.internal.telephony.SmsApplication; |
| import com.android.internal.util.ArrayUtils; |
| |
| /** |
| * 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 PowerWhitelistBackend sInstance; |
| |
| private final Context mAppContext; |
| private final IDeviceIdleController mDeviceIdleService; |
| private final ArraySet<String> mWhitelistedApps = new ArraySet<>(); |
| private final ArraySet<String> mSysWhitelistedApps = new ArraySet<>(); |
| private final ArraySet<String> mSysWhitelistedAppsExceptIdle = new ArraySet<>(); |
| |
| public PowerWhitelistBackend(Context context) { |
| this(context, IDeviceIdleController.Stub.asInterface( |
| ServiceManager.getService(DEVICE_IDLE_SERVICE))); |
| } |
| |
| @VisibleForTesting |
| PowerWhitelistBackend(Context context, IDeviceIdleController deviceIdleService) { |
| mAppContext = context.getApplicationContext(); |
| mDeviceIdleService = deviceIdleService; |
| refreshList(); |
| } |
| |
| public int getWhitelistSize() { |
| return mWhitelistedApps.size(); |
| } |
| |
| public boolean isSysWhitelisted(String pkg) { |
| return mSysWhitelistedApps.contains(pkg); |
| } |
| |
| public boolean isWhitelisted(String pkg) { |
| if (mWhitelistedApps.contains(pkg)) { |
| return true; |
| } |
| |
| if (isDefaultActiveApp(pkg)) { |
| return true; |
| } |
| |
| return false; |
| } |
| |
| /** |
| * Check if it is default active app in multiple area(i.e. SMS, Dialer, Device admin..) |
| */ |
| public boolean isDefaultActiveApp(String pkg) { |
| // Additionally, check if pkg is default dialer/sms. They are considered essential apps and |
| // should be automatically whitelisted (otherwise user may be able to set restriction on |
| // them, leading to bad device behavior.) |
| |
| final boolean hasTelephony = mAppContext.getPackageManager().hasSystemFeature( |
| PackageManager.FEATURE_TELEPHONY); |
| final ComponentName defaultSms = SmsApplication.getDefaultSmsApplication(mAppContext, |
| true /* updateIfNeeded */); |
| if (hasTelephony && defaultSms != null && TextUtils.equals(pkg, |
| defaultSms.getPackageName())) { |
| return true; |
| } |
| |
| final String defaultDialer = DefaultDialerManager.getDefaultDialerApplication(mAppContext); |
| if (hasTelephony && TextUtils.equals(pkg, defaultDialer)) { |
| return true; |
| } |
| |
| final DevicePolicyManager devicePolicyManager = mAppContext.getSystemService( |
| DevicePolicyManager.class); |
| if (devicePolicyManager.packageHasActiveAdmins(pkg)) { |
| return true; |
| } |
| |
| return false; |
| } |
| |
| public boolean isWhitelisted(String[] pkgs) { |
| if (ArrayUtils.isEmpty(pkgs)) { |
| return false; |
| } |
| for (String pkg : pkgs) { |
| if (isWhitelisted(pkg)) { |
| return true; |
| } |
| } |
| |
| return false; |
| } |
| |
| public boolean isSysWhitelistedExceptIdle(String pkg) { |
| return mSysWhitelistedAppsExceptIdle.contains(pkg); |
| } |
| |
| public boolean isSysWhitelistedExceptIdle(String[] pkgs) { |
| if (ArrayUtils.isEmpty(pkgs)) { |
| return false; |
| } |
| for (String pkg : pkgs) { |
| if (isSysWhitelistedExceptIdle(pkg)) { |
| return true; |
| } |
| } |
| |
| return false; |
| } |
| |
| 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); |
| } |
| } |
| |
| @VisibleForTesting |
| public void refreshList() { |
| mSysWhitelistedApps.clear(); |
| mSysWhitelistedAppsExceptIdle.clear(); |
| mWhitelistedApps.clear(); |
| if (mDeviceIdleService == null) { |
| return; |
| } |
| try { |
| final String[] whitelistedApps = mDeviceIdleService.getFullPowerWhitelist(); |
| for (String app : whitelistedApps) { |
| mWhitelistedApps.add(app); |
| } |
| final String[] sysWhitelistedApps = mDeviceIdleService.getSystemPowerWhitelist(); |
| for (String app : sysWhitelistedApps) { |
| mSysWhitelistedApps.add(app); |
| } |
| final String[] sysWhitelistedAppsExceptIdle = |
| mDeviceIdleService.getSystemPowerWhitelistExceptIdle(); |
| for (String app : sysWhitelistedAppsExceptIdle) { |
| mSysWhitelistedAppsExceptIdle.add(app); |
| } |
| } catch (RemoteException e) { |
| Log.w(TAG, "Unable to reach IDeviceIdleController", e); |
| } |
| } |
| |
| public static PowerWhitelistBackend getInstance(Context context) { |
| if (sInstance == null) { |
| sInstance = new PowerWhitelistBackend(context); |
| } |
| return sInstance; |
| } |
| |
| } |