| /* |
| * Copyright (C) 2019 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.server.systemcaptions; |
| |
| import android.annotation.NonNull; |
| import android.annotation.Nullable; |
| import android.annotation.UserIdInt; |
| import android.app.AppGlobals; |
| import android.content.ComponentName; |
| import android.content.pm.PackageManager; |
| import android.content.pm.ServiceInfo; |
| import android.os.RemoteException; |
| import android.util.Slog; |
| |
| import com.android.internal.annotations.GuardedBy; |
| import com.android.server.infra.AbstractPerUserSystemService; |
| |
| /** Manages the captions manager service on a per-user basis. */ |
| final class SystemCaptionsManagerPerUserService extends |
| AbstractPerUserSystemService<SystemCaptionsManagerPerUserService, |
| SystemCaptionsManagerService> { |
| |
| private static final String TAG = SystemCaptionsManagerPerUserService.class.getSimpleName(); |
| |
| @Nullable |
| @GuardedBy("mLock") |
| private RemoteSystemCaptionsManagerService mRemoteService; |
| |
| SystemCaptionsManagerPerUserService( |
| @NonNull SystemCaptionsManagerService master, |
| @NonNull Object lock, boolean disabled, @UserIdInt int userId) { |
| super(master, lock, userId); |
| } |
| |
| @Override |
| @NonNull |
| protected ServiceInfo newServiceInfoLocked( |
| @SuppressWarnings("unused") @NonNull ComponentName serviceComponent) |
| throws PackageManager.NameNotFoundException { |
| try { |
| return AppGlobals.getPackageManager().getServiceInfo(serviceComponent, |
| PackageManager.GET_META_DATA, mUserId); |
| } catch (RemoteException e) { |
| throw new PackageManager.NameNotFoundException( |
| "Could not get service for " + serviceComponent); |
| } |
| } |
| |
| @GuardedBy("mLock") |
| void initializeLocked() { |
| if (mMaster.verbose) { |
| Slog.v(TAG, "initialize()"); |
| } |
| |
| RemoteSystemCaptionsManagerService service = getRemoteServiceLocked(); |
| if (service == null && mMaster.verbose) { |
| Slog.v(TAG, "initialize(): Failed to init remote server"); |
| } |
| } |
| |
| @GuardedBy("mLock") |
| void destroyLocked() { |
| if (mMaster.verbose) { |
| Slog.v(TAG, "destroyLocked()"); |
| } |
| |
| if (mRemoteService != null) { |
| mRemoteService.destroy(); |
| mRemoteService = null; |
| } |
| } |
| |
| @GuardedBy("mLock") |
| @Nullable |
| private RemoteSystemCaptionsManagerService getRemoteServiceLocked() { |
| if (mRemoteService == null) { |
| String serviceName = getComponentNameLocked(); |
| if (serviceName == null) { |
| if (mMaster.verbose) { |
| Slog.v(TAG, "getRemoteServiceLocked(): Not set"); |
| } |
| return null; |
| } |
| |
| ComponentName serviceComponent = ComponentName.unflattenFromString(serviceName); |
| mRemoteService = new RemoteSystemCaptionsManagerService( |
| getContext(), |
| serviceComponent, |
| mUserId, |
| mMaster.verbose); |
| if (mMaster.verbose) { |
| Slog.v(TAG, "getRemoteServiceLocked(): initialize for user " + mUserId); |
| } |
| mRemoteService.initialize(); |
| } |
| |
| return mRemoteService; |
| } |
| } |