/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.server.wifi;
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import android.app.ActivityManagerInternal;
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import android.app.AppGlobals;
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import android.app.Notification;
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import android.app.PendingIntent;
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import android.content.Context;
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import android.content.Intent;
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import android.database.ContentObserver;
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import android.net.TrafficStats;
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import android.net.Uri;
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import android.net.ip.IpClientCallbacks;
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import android.net.ip.IpClientUtil;
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import android.os.BatteryStats;
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import android.os.Handler;
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import android.os.IBinder;
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import android.os.RemoteException;
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import android.os.ServiceManager;
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import android.os.storage.StorageManager;
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import android.provider.Settings;
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import android.telephony.CarrierConfigManager;
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import com.android.internal.app.IBatteryStats;
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import com.android.server.LocalServices;
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import com.android.server.wifi.util.WifiAsyncChannel;
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/**
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* This class allows overriding objects with mocks to write unit tests
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*/
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public class FrameworkFacade {
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public static final String TAG = "FrameworkFacade";
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private ActivityManagerInternal mActivityManagerInternal;
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public boolean setIntegerSetting(Context context, String name, int def) {
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return Settings.Global.putInt(context.getContentResolver(), name, def);
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}
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public int getIntegerSetting(Context context, String name, int def) {
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return Settings.Global.getInt(context.getContentResolver(), name, def);
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}
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public long getLongSetting(Context context, String name, long def) {
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return Settings.Global.getLong(context.getContentResolver(), name, def);
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}
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public boolean setStringSetting(Context context, String name, String def) {
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return Settings.Global.putString(context.getContentResolver(), name, def);
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}
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public String getStringSetting(Context context, String name) {
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return Settings.Global.getString(context.getContentResolver(), name);
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}
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/**
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* Mockable facade to Settings.Secure.getInt(.).
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*/
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public int getSecureIntegerSetting(Context context, String name, int def) {
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return Settings.Secure.getInt(context.getContentResolver(), name, def);
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}
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/**
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* Mockable facade to Settings.Secure.getString(.).
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*/
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public String getSecureStringSetting(Context context, String name) {
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return Settings.Secure.getString(context.getContentResolver(), name);
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}
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/**
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* Helper method for classes to register a ContentObserver
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* {@see ContentResolver#registerContentObserver(Uri,boolean,ContentObserver)}.
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*
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* @param context
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* @param uri
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* @param notifyForDescendants
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* @param contentObserver
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*/
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public void registerContentObserver(Context context, Uri uri,
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boolean notifyForDescendants, ContentObserver contentObserver) {
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context.getContentResolver().registerContentObserver(uri, notifyForDescendants,
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contentObserver);
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}
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/**
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* Helper method for classes to unregister a ContentObserver
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* {@see ContentResolver#unregisterContentObserver(ContentObserver)}.
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*
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* @param context
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* @param contentObserver
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*/
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public void unregisterContentObserver(Context context, ContentObserver contentObserver) {
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context.getContentResolver().unregisterContentObserver(contentObserver);
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}
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public IBinder getService(String serviceName) {
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return ServiceManager.getService(serviceName);
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}
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/**
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* Returns the battery stats interface
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* @return IBatteryStats BatteryStats service interface
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*/
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public IBatteryStats getBatteryService() {
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return IBatteryStats.Stub.asInterface(getService(BatteryStats.SERVICE_NAME));
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}
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public PendingIntent getBroadcast(Context context, int requestCode, Intent intent, int flags) {
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return PendingIntent.getBroadcast(context, requestCode, intent, flags);
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}
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/**
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* Wrapper for {@link PendingIntent#getActivity}.
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*/
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public PendingIntent getActivity(Context context, int requestCode, Intent intent, int flags) {
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return PendingIntent.getActivity(context, requestCode, intent, flags);
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}
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public SupplicantStateTracker makeSupplicantStateTracker(Context context,
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WifiConfigManager configManager, Handler handler) {
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return new SupplicantStateTracker(context, configManager, this, handler);
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}
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public boolean getConfigWiFiDisableInECBM(Context context) {
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CarrierConfigManager configManager = (CarrierConfigManager) context
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.getSystemService(Context.CARRIER_CONFIG_SERVICE);
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if (configManager != null) {
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return configManager.getConfig().getBoolean(
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CarrierConfigManager.KEY_CONFIG_WIFI_DISABLE_IN_ECBM);
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}
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/* Default to TRUE */
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return true;
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}
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public long getTxPackets(String iface) {
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return TrafficStats.getTxPackets(iface);
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}
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public long getRxPackets(String iface) {
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return TrafficStats.getRxPackets(iface);
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}
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/**
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* Request a new IpClient to be created asynchronously.
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* @param context Context to use for creation.
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* @param iface Interface the client should act on.
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* @param callback IpClient event callbacks.
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*/
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public void makeIpClient(Context context, String iface, IpClientCallbacks callback) {
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IpClientUtil.makeIpClient(context, iface, callback);
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}
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/**
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* Checks whether the given uid has been granted the given permission.
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* @param permName the permission to check
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* @param uid The uid to check
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* @return {@link PackageManager.PERMISSION_GRANTED} if the permission has been granted and
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* {@link PackageManager.PERMISSION_DENIED} otherwise
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*/
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public int checkUidPermission(String permName, int uid) throws RemoteException {
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return AppGlobals.getPackageManager().checkUidPermission(permName, uid);
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}
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/**
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* Create a new instance of WifiAsyncChannel
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* @param tag String corresponding to the service creating the channel
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* @return WifiAsyncChannel object created
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*/
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public WifiAsyncChannel makeWifiAsyncChannel(String tag) {
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return new WifiAsyncChannel(tag);
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}
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/**
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* Check if the device will be restarting after decrypting during boot by calling {@link
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* StorageManager.inCryptKeeperBounce}.
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* @return true if the device will restart, false otherwise
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*/
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public boolean inStorageManagerCryptKeeperBounce() {
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return StorageManager.inCryptKeeperBounce();
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}
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/**
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* Check if the provided uid is the app in the foreground.
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* @param uid the uid to check
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* @return true if the app is in the foreground, false otherwise
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*/
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public boolean isAppForeground(int uid) {
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if (mActivityManagerInternal == null) {
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mActivityManagerInternal = LocalServices.getService(ActivityManagerInternal.class);
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}
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return mActivityManagerInternal.isAppForeground(uid);
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}
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/**
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* Create a new instance of {@link Notification.Builder}.
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* @param context reference to a Context
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* @param channelId ID of the notification channel
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* @return an instance of Notification.Builder
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*/
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public Notification.Builder makeNotificationBuilder(Context context, String channelId) {
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return new Notification.Builder(context, channelId);
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}
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}
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