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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 android.app;
import com.android.internal.app.IAppOpsService;
import com.android.internal.appwidget.IAppWidgetService;
import com.android.internal.os.IDropBoxManagerService;
import android.accounts.AccountManager;
import android.accounts.IAccountManager;
import android.app.admin.DevicePolicyManager;
import android.app.job.IJobScheduler;
import android.app.job.JobScheduler;
import android.app.trust.TrustManager;
import android.app.usage.IUsageStatsManager;
import android.app.usage.NetworkStatsManager;
import android.app.usage.UsageStatsManager;
import android.appwidget.AppWidgetManager;
import android.bluetooth.BluetoothManager;
import android.content.ClipboardManager;
import android.content.Context;
import android.content.IRestrictionsManager;
import android.content.RestrictionsManager;
import android.content.pm.ILauncherApps;
import android.content.pm.LauncherApps;
import android.content.res.Resources;
import android.hardware.ConsumerIrManager;
import android.hardware.ISerialManager;
import android.hardware.SensorManager;
import android.hardware.SerialManager;
import android.hardware.SystemSensorManager;
import android.hardware.camera2.CameraManager;
import android.hardware.display.DisplayManager;
import android.hardware.hdmi.HdmiControlManager;
import android.hardware.hdmi.IHdmiControlService;
import android.hardware.input.InputManager;
import android.hardware.usb.IUsbManager;
import android.hardware.usb.UsbManager;
import android.hardware.radio.RadioManager;
import android.location.CountryDetector;
import android.location.ICountryDetector;
import android.location.ILocationManager;
import android.location.LocationManager;
import android.media.AudioDevicesManager;
import android.media.AudioManager;
import android.media.MediaRouter;
import android.media.midi.IMidiManager;
import android.media.midi.MidiManager;
import android.media.projection.MediaProjectionManager;
import android.media.session.MediaSessionManager;
import android.media.tv.ITvInputManager;
import android.media.tv.TvInputManager;
import android.net.ConnectivityManager;
import android.net.EthernetManager;
import android.net.IConnectivityManager;
import android.net.IEthernetManager;
import android.net.INetworkPolicyManager;
import android.net.NetworkPolicyManager;
import android.net.NetworkScoreManager;
import android.net.nsd.INsdManager;
import android.net.nsd.NsdManager;
import android.net.wifi.IRttManager;
import android.net.wifi.IWifiManager;
import android.net.wifi.IWifiScanner;
import android.net.wifi.RttManager;
import android.net.wifi.WifiManager;
import android.net.wifi.WifiScanner;
import android.net.wifi.p2p.IWifiP2pManager;
import android.net.wifi.p2p.WifiP2pManager;
import android.net.wifi.passpoint.IWifiPasspointManager;
import android.net.wifi.passpoint.WifiPasspointManager;
import android.nfc.NfcManager;
import android.os.BatteryManager;
import android.os.DropBoxManager;
import android.os.IBinder;
import android.os.IPowerManager;
import android.os.IUserManager;
import android.os.PowerManager;
import android.os.Process;
import android.os.RemoteException;
import android.os.ServiceManager;
import android.os.SystemVibrator;
import android.os.UserHandle;
import android.os.UserManager;
import android.os.Vibrator;
import android.os.storage.StorageManager;
import android.print.IPrintManager;
import android.print.PrintManager;
import android.hardware.fingerprint.FingerprintManager;
import android.hardware.fingerprint.IFingerprintService;
import android.service.persistentdata.IPersistentDataBlockService;
import android.service.persistentdata.PersistentDataBlockManager;
import android.telecom.TelecomManager;
import android.telephony.SubscriptionManager;
import android.telephony.TelephonyManager;
import android.util.Log;
import android.view.ContextThemeWrapper;
import android.view.LayoutInflater;
import android.view.PhoneLayoutInflater;
import android.view.WindowManager;
import android.view.WindowManagerImpl;
import android.view.accessibility.AccessibilityManager;
import android.view.accessibility.CaptioningManager;
import android.view.inputmethod.InputMethodManager;
import android.view.textservice.TextServicesManager;
import java.util.HashMap;
/**
* Manages all of the system services that can be returned by {@link Context#getSystemService}.
* Used by {@link ContextImpl}.
*/
final class SystemServiceRegistry {
private final static String TAG = "SystemServiceRegistry";
// Service registry information.
// This information is never changed once static initialization has completed.
private static final HashMap<Class<?>, String> SYSTEM_SERVICE_NAMES =
new HashMap<Class<?>, String>();
private static final HashMap<String, ServiceFetcher<?>> SYSTEM_SERVICE_FETCHERS =
new HashMap<String, ServiceFetcher<?>>();
private static int sServiceCacheSize;
// Not instantiable.
private SystemServiceRegistry() { }
static {
registerService(Context.ACCESSIBILITY_SERVICE, AccessibilityManager.class,
new CachedServiceFetcher<AccessibilityManager>() {
@Override
public AccessibilityManager createService(ContextImpl ctx) {
return AccessibilityManager.getInstance(ctx);
}});
registerService(Context.CAPTIONING_SERVICE, CaptioningManager.class,
new CachedServiceFetcher<CaptioningManager>() {
@Override
public CaptioningManager createService(ContextImpl ctx) {
return new CaptioningManager(ctx);
}});
registerService(Context.ACCOUNT_SERVICE, AccountManager.class,
new CachedServiceFetcher<AccountManager>() {
@Override
public AccountManager createService(ContextImpl ctx) {
IBinder b = ServiceManager.getService(Context.ACCOUNT_SERVICE);
IAccountManager service = IAccountManager.Stub.asInterface(b);
return new AccountManager(ctx, service);
}});
registerService(Context.ACTIVITY_SERVICE, ActivityManager.class,
new CachedServiceFetcher<ActivityManager>() {
@Override
public ActivityManager createService(ContextImpl ctx) {
return new ActivityManager(ctx.getOuterContext(), ctx.mMainThread.getHandler());
}});
registerService(Context.ALARM_SERVICE, AlarmManager.class,
new CachedServiceFetcher<AlarmManager>() {
@Override
public AlarmManager createService(ContextImpl ctx) {
IBinder b = ServiceManager.getService(Context.ALARM_SERVICE);
IAlarmManager service = IAlarmManager.Stub.asInterface(b);
return new AlarmManager(service, ctx);
}});
registerService(Context.AUDIO_SERVICE, AudioManager.class,
new CachedServiceFetcher<AudioManager>() {
@Override
public AudioManager createService(ContextImpl ctx) {
return new AudioManager(ctx);
}});
registerService(Context.MEDIA_ROUTER_SERVICE, MediaRouter.class,
new CachedServiceFetcher<MediaRouter>() {
@Override
public MediaRouter createService(ContextImpl ctx) {
return new MediaRouter(ctx);
}});
registerService(Context.BLUETOOTH_SERVICE, BluetoothManager.class,
new CachedServiceFetcher<BluetoothManager>() {
@Override
public BluetoothManager createService(ContextImpl ctx) {
return new BluetoothManager(ctx);
}});
registerService(Context.HDMI_CONTROL_SERVICE, HdmiControlManager.class,
new StaticServiceFetcher<HdmiControlManager>() {
@Override
public HdmiControlManager createService() {
IBinder b = ServiceManager.getService(Context.HDMI_CONTROL_SERVICE);
return new HdmiControlManager(IHdmiControlService.Stub.asInterface(b));
}});
registerService(Context.CLIPBOARD_SERVICE, ClipboardManager.class,
new CachedServiceFetcher<ClipboardManager>() {
@Override
public ClipboardManager createService(ContextImpl ctx) {
return new ClipboardManager(ctx.getOuterContext(),
ctx.mMainThread.getHandler());
}});
// The clipboard service moved to a new package. If someone asks for the old
// interface by class then we want to redirect over to the new interface instead
// (which extends it).
SYSTEM_SERVICE_NAMES.put(android.text.ClipboardManager.class, Context.CLIPBOARD_SERVICE);
registerService(Context.CONNECTIVITY_SERVICE, ConnectivityManager.class,
new StaticServiceFetcher<ConnectivityManager>() {
@Override
public ConnectivityManager createService() {
IBinder b = ServiceManager.getService(Context.CONNECTIVITY_SERVICE);
return new ConnectivityManager(IConnectivityManager.Stub.asInterface(b));
}});
registerService(Context.COUNTRY_DETECTOR, CountryDetector.class,
new StaticServiceFetcher<CountryDetector>() {
@Override
public CountryDetector createService() {
IBinder b = ServiceManager.getService(Context.COUNTRY_DETECTOR);
return new CountryDetector(ICountryDetector.Stub.asInterface(b));
}});
registerService(Context.DEVICE_POLICY_SERVICE, DevicePolicyManager.class,
new CachedServiceFetcher<DevicePolicyManager>() {
@Override
public DevicePolicyManager createService(ContextImpl ctx) {
return DevicePolicyManager.create(ctx, ctx.mMainThread.getHandler());
}});
registerService(Context.DOWNLOAD_SERVICE, DownloadManager.class,
new CachedServiceFetcher<DownloadManager>() {
@Override
public DownloadManager createService(ContextImpl ctx) {
return new DownloadManager(ctx.getContentResolver(), ctx.getPackageName());
}});
registerService(Context.BATTERY_SERVICE, BatteryManager.class,
new StaticServiceFetcher<BatteryManager>() {
@Override
public BatteryManager createService() {
return new BatteryManager();
}});
registerService(Context.NFC_SERVICE, NfcManager.class,
new CachedServiceFetcher<NfcManager>() {
@Override
public NfcManager createService(ContextImpl ctx) {
return new NfcManager(ctx);
}});
registerService(Context.DROPBOX_SERVICE, DropBoxManager.class,
new StaticServiceFetcher<DropBoxManager>() {
@Override
public DropBoxManager createService() {
IBinder b = ServiceManager.getService(Context.DROPBOX_SERVICE);
IDropBoxManagerService service = IDropBoxManagerService.Stub.asInterface(b);
if (service == null) {
// Don't return a DropBoxManager that will NPE upon use.
// This also avoids caching a broken DropBoxManager in
// getDropBoxManager during early boot, before the
// DROPBOX_SERVICE is registered.
return null;
}
return new DropBoxManager(service);
}});
registerService(Context.INPUT_SERVICE, InputManager.class,
new StaticServiceFetcher<InputManager>() {
@Override
public InputManager createService() {
return InputManager.getInstance();
}});
registerService(Context.DISPLAY_SERVICE, DisplayManager.class,
new CachedServiceFetcher<DisplayManager>() {
@Override
public DisplayManager createService(ContextImpl ctx) {
return new DisplayManager(ctx.getOuterContext());
}});
registerService(Context.INPUT_METHOD_SERVICE, InputMethodManager.class,
new StaticServiceFetcher<InputMethodManager>() {
@Override
public InputMethodManager createService() {
return InputMethodManager.getInstance();
}});
registerService(Context.TEXT_SERVICES_MANAGER_SERVICE, TextServicesManager.class,
new StaticServiceFetcher<TextServicesManager>() {
@Override
public TextServicesManager createService() {
return TextServicesManager.getInstance();
}});
registerService(Context.KEYGUARD_SERVICE, KeyguardManager.class,
new StaticServiceFetcher<KeyguardManager>() {
@Override
public KeyguardManager createService() {
return new KeyguardManager();
}});
registerService(Context.LAYOUT_INFLATER_SERVICE, LayoutInflater.class,
new CachedServiceFetcher<LayoutInflater>() {
@Override
public LayoutInflater createService(ContextImpl ctx) {
return new PhoneLayoutInflater(ctx.getOuterContext());
}});
registerService(Context.LOCATION_SERVICE, LocationManager.class,
new CachedServiceFetcher<LocationManager>() {
@Override
public LocationManager createService(ContextImpl ctx) {
IBinder b = ServiceManager.getService(Context.LOCATION_SERVICE);
return new LocationManager(ctx, ILocationManager.Stub.asInterface(b));
}});
registerService(Context.NETWORK_POLICY_SERVICE, NetworkPolicyManager.class,
new StaticServiceFetcher<NetworkPolicyManager>() {
@Override
public NetworkPolicyManager createService() {
return new NetworkPolicyManager(INetworkPolicyManager.Stub.asInterface(
ServiceManager.getService(Context.NETWORK_POLICY_SERVICE)));
}});
registerService(Context.NOTIFICATION_SERVICE, NotificationManager.class,
new CachedServiceFetcher<NotificationManager>() {
@Override
public NotificationManager createService(ContextImpl ctx) {
final Context outerContext = ctx.getOuterContext();
return new NotificationManager(
new ContextThemeWrapper(outerContext,
Resources.selectSystemTheme(0,
outerContext.getApplicationInfo().targetSdkVersion,
com.android.internal.R.style.Theme_Dialog,
com.android.internal.R.style.Theme_Holo_Dialog,
com.android.internal.R.style.Theme_DeviceDefault_Dialog,
com.android.internal.R.style.Theme_DeviceDefault_Light_Dialog)),
ctx.mMainThread.getHandler());
}});
registerService(Context.NSD_SERVICE, NsdManager.class,
new CachedServiceFetcher<NsdManager>() {
@Override
public NsdManager createService(ContextImpl ctx) {
IBinder b = ServiceManager.getService(Context.NSD_SERVICE);
INsdManager service = INsdManager.Stub.asInterface(b);
return new NsdManager(ctx.getOuterContext(), service);
}});
registerService(Context.POWER_SERVICE, PowerManager.class,
new CachedServiceFetcher<PowerManager>() {
@Override
public PowerManager createService(ContextImpl ctx) {
IBinder b = ServiceManager.getService(Context.POWER_SERVICE);
IPowerManager service = IPowerManager.Stub.asInterface(b);
if (service == null) {
Log.wtf(TAG, "Failed to get power manager service.");
}
return new PowerManager(ctx.getOuterContext(),
service, ctx.mMainThread.getHandler());
}});
registerService(Context.SEARCH_SERVICE, SearchManager.class,
new CachedServiceFetcher<SearchManager>() {
@Override
public SearchManager createService(ContextImpl ctx) {
return new SearchManager(ctx.getOuterContext(),
ctx.mMainThread.getHandler());
}});
registerService(Context.SENSOR_SERVICE, SensorManager.class,
new CachedServiceFetcher<SensorManager>() {
@Override
public SensorManager createService(ContextImpl ctx) {
return new SystemSensorManager(ctx.getOuterContext(),
ctx.mMainThread.getHandler().getLooper());
}});
registerService(Context.STATUS_BAR_SERVICE, StatusBarManager.class,
new CachedServiceFetcher<StatusBarManager>() {
@Override
public StatusBarManager createService(ContextImpl ctx) {
return new StatusBarManager(ctx.getOuterContext());
}});
registerService(Context.STORAGE_SERVICE, StorageManager.class,
new CachedServiceFetcher<StorageManager>() {
@Override
public StorageManager createService(ContextImpl ctx) {
return new StorageManager(ctx, ctx.mMainThread.getHandler().getLooper());
}});
registerService(Context.TELEPHONY_SERVICE, TelephonyManager.class,
new CachedServiceFetcher<TelephonyManager>() {
@Override
public TelephonyManager createService(ContextImpl ctx) {
return new TelephonyManager(ctx.getOuterContext());
}});
registerService(Context.TELEPHONY_SUBSCRIPTION_SERVICE, SubscriptionManager.class,
new CachedServiceFetcher<SubscriptionManager>() {
@Override
public SubscriptionManager createService(ContextImpl ctx) {
return new SubscriptionManager(ctx.getOuterContext());
}});
registerService(Context.TELECOM_SERVICE, TelecomManager.class,
new CachedServiceFetcher<TelecomManager>() {
@Override
public TelecomManager createService(ContextImpl ctx) {
return new TelecomManager(ctx.getOuterContext());
}});
registerService(Context.UI_MODE_SERVICE, UiModeManager.class,
new CachedServiceFetcher<UiModeManager>() {
@Override
public UiModeManager createService(ContextImpl ctx) {
return new UiModeManager();
}});
registerService(Context.USB_SERVICE, UsbManager.class,
new CachedServiceFetcher<UsbManager>() {
@Override
public UsbManager createService(ContextImpl ctx) {
IBinder b = ServiceManager.getService(Context.USB_SERVICE);
return new UsbManager(ctx, IUsbManager.Stub.asInterface(b));
}});
registerService(Context.SERIAL_SERVICE, SerialManager.class,
new CachedServiceFetcher<SerialManager>() {
@Override
public SerialManager createService(ContextImpl ctx) {
IBinder b = ServiceManager.getService(Context.SERIAL_SERVICE);
return new SerialManager(ctx, ISerialManager.Stub.asInterface(b));
}});
registerService(Context.VIBRATOR_SERVICE, Vibrator.class,
new CachedServiceFetcher<Vibrator>() {
@Override
public Vibrator createService(ContextImpl ctx) {
return new SystemVibrator(ctx);
}});
registerService(Context.WALLPAPER_SERVICE, WallpaperManager.class,
new CachedServiceFetcher<WallpaperManager>() {
@Override
public WallpaperManager createService(ContextImpl ctx) {
return new WallpaperManager(ctx.getOuterContext(),
ctx.mMainThread.getHandler());
}});
registerService(Context.WIFI_SERVICE, WifiManager.class,
new CachedServiceFetcher<WifiManager>() {
@Override
public WifiManager createService(ContextImpl ctx) {
IBinder b = ServiceManager.getService(Context.WIFI_SERVICE);
IWifiManager service = IWifiManager.Stub.asInterface(b);
return new WifiManager(ctx.getOuterContext(), service);
}});
registerService(Context.WIFI_PASSPOINT_SERVICE, WifiPasspointManager.class,
new CachedServiceFetcher<WifiPasspointManager>() {
@Override
public WifiPasspointManager createService(ContextImpl ctx) {
IBinder b = ServiceManager.getService(Context.WIFI_PASSPOINT_SERVICE);
IWifiPasspointManager service = IWifiPasspointManager.Stub.asInterface(b);
return new WifiPasspointManager(ctx.getOuterContext(), service);
}});
registerService(Context.WIFI_P2P_SERVICE, WifiP2pManager.class,
new StaticServiceFetcher<WifiP2pManager>() {
@Override
public WifiP2pManager createService() {
IBinder b = ServiceManager.getService(Context.WIFI_P2P_SERVICE);
IWifiP2pManager service = IWifiP2pManager.Stub.asInterface(b);
return new WifiP2pManager(service);
}});
registerService(Context.WIFI_SCANNING_SERVICE, WifiScanner.class,
new CachedServiceFetcher<WifiScanner>() {
@Override
public WifiScanner createService(ContextImpl ctx) {
IBinder b = ServiceManager.getService(Context.WIFI_SCANNING_SERVICE);
IWifiScanner service = IWifiScanner.Stub.asInterface(b);
return new WifiScanner(ctx.getOuterContext(), service);
}});
registerService(Context.WIFI_RTT_SERVICE, RttManager.class,
new CachedServiceFetcher<RttManager>() {
@Override
public RttManager createService(ContextImpl ctx) {
IBinder b = ServiceManager.getService(Context.WIFI_RTT_SERVICE);
IRttManager service = IRttManager.Stub.asInterface(b);
return new RttManager(ctx.getOuterContext(), service);
}});
registerService(Context.ETHERNET_SERVICE, EthernetManager.class,
new CachedServiceFetcher<EthernetManager>() {
@Override
public EthernetManager createService(ContextImpl ctx) {
IBinder b = ServiceManager.getService(Context.ETHERNET_SERVICE);
IEthernetManager service = IEthernetManager.Stub.asInterface(b);
return new EthernetManager(ctx.getOuterContext(), service);
}});
registerService(Context.WINDOW_SERVICE, WindowManager.class,
new CachedServiceFetcher<WindowManager>() {
@Override
public WindowManager createService(ContextImpl ctx) {
return new WindowManagerImpl(ctx.getDisplay());
}});
registerService(Context.USER_SERVICE, UserManager.class,
new CachedServiceFetcher<UserManager>() {
@Override
public UserManager createService(ContextImpl ctx) {
IBinder b = ServiceManager.getService(Context.USER_SERVICE);
IUserManager service = IUserManager.Stub.asInterface(b);
return new UserManager(ctx, service);
}});
registerService(Context.APP_OPS_SERVICE, AppOpsManager.class,
new CachedServiceFetcher<AppOpsManager>() {
@Override
public AppOpsManager createService(ContextImpl ctx) {
IBinder b = ServiceManager.getService(Context.APP_OPS_SERVICE);
IAppOpsService service = IAppOpsService.Stub.asInterface(b);
return new AppOpsManager(ctx, service);
}});
registerService(Context.CAMERA_SERVICE, CameraManager.class,
new CachedServiceFetcher<CameraManager>() {
@Override
public CameraManager createService(ContextImpl ctx) {
return new CameraManager(ctx);
}});
registerService(Context.LAUNCHER_APPS_SERVICE, LauncherApps.class,
new CachedServiceFetcher<LauncherApps>() {
@Override
public LauncherApps createService(ContextImpl ctx) {
IBinder b = ServiceManager.getService(Context.LAUNCHER_APPS_SERVICE);
ILauncherApps service = ILauncherApps.Stub.asInterface(b);
return new LauncherApps(ctx, service);
}});
registerService(Context.RESTRICTIONS_SERVICE, RestrictionsManager.class,
new CachedServiceFetcher<RestrictionsManager>() {
@Override
public RestrictionsManager createService(ContextImpl ctx) {
IBinder b = ServiceManager.getService(Context.RESTRICTIONS_SERVICE);
IRestrictionsManager service = IRestrictionsManager.Stub.asInterface(b);
return new RestrictionsManager(ctx, service);
}});
registerService(Context.PRINT_SERVICE, PrintManager.class,
new CachedServiceFetcher<PrintManager>() {
@Override
public PrintManager createService(ContextImpl ctx) {
IBinder iBinder = ServiceManager.getService(Context.PRINT_SERVICE);
IPrintManager service = IPrintManager.Stub.asInterface(iBinder);
return new PrintManager(ctx.getOuterContext(), service, UserHandle.myUserId(),
UserHandle.getAppId(Process.myUid()));
}});
registerService(Context.CONSUMER_IR_SERVICE, ConsumerIrManager.class,
new CachedServiceFetcher<ConsumerIrManager>() {
@Override
public ConsumerIrManager createService(ContextImpl ctx) {
return new ConsumerIrManager(ctx);
}});
registerService(Context.MEDIA_SESSION_SERVICE, MediaSessionManager.class,
new CachedServiceFetcher<MediaSessionManager>() {
@Override
public MediaSessionManager createService(ContextImpl ctx) {
return new MediaSessionManager(ctx);
}});
registerService(Context.TRUST_SERVICE, TrustManager.class,
new StaticServiceFetcher<TrustManager>() {
@Override
public TrustManager createService() {
IBinder b = ServiceManager.getService(Context.TRUST_SERVICE);
return new TrustManager(b);
}});
registerService(Context.FINGERPRINT_SERVICE, FingerprintManager.class,
new CachedServiceFetcher<FingerprintManager>() {
@Override
public FingerprintManager createService(ContextImpl ctx) {
IBinder binder = ServiceManager.getService(Context.FINGERPRINT_SERVICE);
IFingerprintService service = IFingerprintService.Stub.asInterface(binder);
return new FingerprintManager(ctx.getOuterContext(), service);
}});
registerService(Context.TV_INPUT_SERVICE, TvInputManager.class,
new StaticServiceFetcher<TvInputManager>() {
@Override
public TvInputManager createService() {
IBinder iBinder = ServiceManager.getService(Context.TV_INPUT_SERVICE);
ITvInputManager service = ITvInputManager.Stub.asInterface(iBinder);
return new TvInputManager(service, UserHandle.myUserId());
}});
registerService(Context.NETWORK_SCORE_SERVICE, NetworkScoreManager.class,
new CachedServiceFetcher<NetworkScoreManager>() {
@Override
public NetworkScoreManager createService(ContextImpl ctx) {
return new NetworkScoreManager(ctx);
}});
registerService(Context.USAGE_STATS_SERVICE, UsageStatsManager.class,
new CachedServiceFetcher<UsageStatsManager>() {
@Override
public UsageStatsManager createService(ContextImpl ctx) {
IBinder iBinder = ServiceManager.getService(Context.USAGE_STATS_SERVICE);
IUsageStatsManager service = IUsageStatsManager.Stub.asInterface(iBinder);
return new UsageStatsManager(ctx.getOuterContext(), service);
}});
registerService(Context.NETWORK_STATS_SERVICE, NetworkStatsManager.class,
new CachedServiceFetcher<NetworkStatsManager>() {
@Override
public NetworkStatsManager createService(ContextImpl ctx) {
return new NetworkStatsManager(ctx.getOuterContext());
}});
registerService(Context.JOB_SCHEDULER_SERVICE, JobScheduler.class,
new StaticServiceFetcher<JobScheduler>() {
@Override
public JobScheduler createService() {
IBinder b = ServiceManager.getService(Context.JOB_SCHEDULER_SERVICE);
return new JobSchedulerImpl(IJobScheduler.Stub.asInterface(b));
}});
registerService(Context.PERSISTENT_DATA_BLOCK_SERVICE, PersistentDataBlockManager.class,
new StaticServiceFetcher<PersistentDataBlockManager>() {
@Override
public PersistentDataBlockManager createService() {
IBinder b = ServiceManager.getService(Context.PERSISTENT_DATA_BLOCK_SERVICE);
IPersistentDataBlockService persistentDataBlockService =
IPersistentDataBlockService.Stub.asInterface(b);
if (persistentDataBlockService != null) {
return new PersistentDataBlockManager(persistentDataBlockService);
} else {
// not supported
return null;
}
}});
registerService(Context.MEDIA_PROJECTION_SERVICE, MediaProjectionManager.class,
new CachedServiceFetcher<MediaProjectionManager>() {
@Override
public MediaProjectionManager createService(ContextImpl ctx) {
return new MediaProjectionManager(ctx);
}});
registerService(Context.APPWIDGET_SERVICE, AppWidgetManager.class,
new CachedServiceFetcher<AppWidgetManager>() {
@Override
public AppWidgetManager createService(ContextImpl ctx) {
IBinder b = ServiceManager.getService(Context.APPWIDGET_SERVICE);
return new AppWidgetManager(ctx, IAppWidgetService.Stub.asInterface(b));
}});
registerService(Context.MIDI_SERVICE, MidiManager.class,
new CachedServiceFetcher<MidiManager>() {
@Override
public MidiManager createService(ContextImpl ctx) {
IBinder b = ServiceManager.getService(Context.MIDI_SERVICE);
return new MidiManager(ctx, IMidiManager.Stub.asInterface(b));
}});
registerService(Context.RADIO_SERVICE, RadioManager.class,
new CachedServiceFetcher<RadioManager>() {
@Override
public RadioManager createService(ContextImpl ctx) {
return new RadioManager(ctx);
}});
registerService(Context.AUDIO_DEVICES_SERVICE, AudioDevicesManager.class,
new CachedServiceFetcher<AudioDevicesManager>() {
@Override
public AudioDevicesManager createService(ContextImpl ctx) {
return new AudioDevicesManager(ctx);
}});
}
/**
* Creates an array which is used to cache per-Context service instances.
*/
public static Object[] createServiceCache() {
return new Object[sServiceCacheSize];
}
/**
* Gets a system service from a given context.
*/
public static Object getSystemService(ContextImpl ctx, String name) {
ServiceFetcher<?> fetcher = SYSTEM_SERVICE_FETCHERS.get(name);
return fetcher != null ? fetcher.getService(ctx) : null;
}
/**
* Gets the name of the system-level service that is represented by the specified class.
*/
public static String getSystemServiceName(Class<?> serviceClass) {
return SYSTEM_SERVICE_NAMES.get(serviceClass);
}
/**
* Statically registers a system service with the context.
* This method must be called during static initialization only.
*/
private static <T> void registerService(String serviceName, Class<T> serviceClass,
ServiceFetcher<T> serviceFetcher) {
SYSTEM_SERVICE_NAMES.put(serviceClass, serviceName);
SYSTEM_SERVICE_FETCHERS.put(serviceName, serviceFetcher);
}
/**
* Base interface for classes that fetch services.
* These objects must only be created during static initialization.
*/
static abstract interface ServiceFetcher<T> {
T getService(ContextImpl ctx);
}
/**
* Override this class when the system service constructor needs a
* ContextImpl and should be cached and retained by that context.
*/
static abstract class CachedServiceFetcher<T> implements ServiceFetcher<T> {
private final int mCacheIndex;
public CachedServiceFetcher() {
mCacheIndex = sServiceCacheSize++;
}
@Override
@SuppressWarnings("unchecked")
public final T getService(ContextImpl ctx) {
final Object[] cache = ctx.mServiceCache;
synchronized (cache) {
// Fetch or create the service.
Object service = cache[mCacheIndex];
if (service == null) {
service = createService(ctx);
cache[mCacheIndex] = service;
}
return (T)service;
}
}
public abstract T createService(ContextImpl ctx);
}
/**
* Override this class when the system service does not need a ContextImpl
* and should be cached and retained process-wide.
*/
static abstract class StaticServiceFetcher<T> implements ServiceFetcher<T> {
private T mCachedInstance;
@Override
public final T getService(ContextImpl unused) {
synchronized (StaticServiceFetcher.this) {
if (mCachedInstance == null) {
mCachedInstance = createService();
}
return mCachedInstance;
}
}
public abstract T createService();
}
}
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