| /* |
| * Copyright (C) 2018 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.appprediction; |
| |
| import android.annotation.NonNull; |
| import android.annotation.Nullable; |
| import android.app.AppGlobals; |
| import android.app.prediction.AppPredictionContext; |
| import android.app.prediction.AppPredictionSessionId; |
| import android.app.prediction.AppTargetEvent; |
| import android.app.prediction.IPredictionCallback; |
| import android.content.ComponentName; |
| import android.content.pm.PackageManager; |
| import android.content.pm.PackageManager.NameNotFoundException; |
| import android.content.pm.ParceledListSlice; |
| import android.content.pm.ServiceInfo; |
| import android.os.RemoteException; |
| import android.service.appprediction.AppPredictionService; |
| import android.util.Slog; |
| |
| import com.android.internal.annotations.GuardedBy; |
| import com.android.server.infra.AbstractPerUserSystemService; |
| |
| /** |
| * Per-user instance of {@link AppPredictionManagerService}. |
| */ |
| public class AppPredictionPerUserService extends |
| AbstractPerUserSystemService<AppPredictionPerUserService, AppPredictionManagerService> |
| implements RemoteAppPredictionService.RemoteAppPredictionServiceCallbacks { |
| |
| private static final String TAG = AppPredictionPerUserService.class.getSimpleName(); |
| |
| @Nullable |
| @GuardedBy("mLock") |
| private RemoteAppPredictionService mRemoteService; |
| |
| protected AppPredictionPerUserService(AppPredictionManagerService master, |
| Object lock, int userId) { |
| super(master, lock, userId); |
| } |
| |
| @Override // from PerUserSystemService |
| protected ServiceInfo newServiceInfoLocked(@NonNull ComponentName serviceComponent) |
| throws NameNotFoundException { |
| |
| ServiceInfo si; |
| try { |
| si = AppGlobals.getPackageManager().getServiceInfo(serviceComponent, |
| PackageManager.GET_META_DATA, mUserId); |
| } catch (RemoteException e) { |
| throw new NameNotFoundException("Could not get service for " + serviceComponent); |
| } |
| // TODO(b/111701043): must check that either the service is from a system component, |
| // or it matches a service set by shell cmd (so it can be used on CTS tests and when |
| // OEMs are implementing the real service and also verify the proper permissions |
| return si; |
| } |
| |
| @GuardedBy("mLock") |
| @Override // from PerUserSystemService |
| protected boolean updateLocked(boolean disabled) { |
| final boolean enabledChanged = super.updateLocked(disabled); |
| if (enabledChanged) { |
| if (!isEnabledLocked()) { |
| // Clear the remote service for the next call |
| mRemoteService = null; |
| } |
| } |
| return enabledChanged; |
| } |
| |
| /** |
| * Notifies the service of a new prediction session. |
| */ |
| @GuardedBy("mLock") |
| public void onCreatePredictionSessionLocked(@NonNull AppPredictionContext context, |
| @NonNull AppPredictionSessionId sessionId) { |
| final RemoteAppPredictionService service = getRemoteServiceLocked(); |
| if (service != null) { |
| service.onCreatePredictionSession(context, sessionId); |
| } |
| } |
| |
| /** |
| * Records an app target event to the service. |
| */ |
| @GuardedBy("mLock") |
| public void notifyAppTargetEventLocked(@NonNull AppPredictionSessionId sessionId, |
| @NonNull AppTargetEvent event) { |
| final RemoteAppPredictionService service = getRemoteServiceLocked(); |
| if (service != null) { |
| service.notifyAppTargetEvent(sessionId, event); |
| } |
| } |
| |
| /** |
| * Records when a launch location is shown. |
| */ |
| @GuardedBy("mLock") |
| public void notifyLocationShownLocked(@NonNull AppPredictionSessionId sessionId, |
| @NonNull String launchLocation, @NonNull ParceledListSlice targetIds) { |
| final RemoteAppPredictionService service = getRemoteServiceLocked(); |
| if (service != null) { |
| service.notifyLocationShown(sessionId, launchLocation, targetIds); |
| } |
| } |
| |
| /** |
| * Requests the service to sort a list of apps or shortcuts. |
| */ |
| @GuardedBy("mLock") |
| public void sortAppTargetsLocked(@NonNull AppPredictionSessionId sessionId, |
| @NonNull ParceledListSlice targets, @NonNull IPredictionCallback callback) { |
| final RemoteAppPredictionService service = getRemoteServiceLocked(); |
| if (service != null) { |
| service.sortAppTargets(sessionId, targets, callback); |
| } |
| } |
| |
| /** |
| * Registers a callback for continuous updates of predicted apps or shortcuts. |
| */ |
| @GuardedBy("mLock") |
| public void registerPredictionUpdatesLocked(@NonNull AppPredictionSessionId sessionId, |
| @NonNull IPredictionCallback callback) { |
| final RemoteAppPredictionService service = getRemoteServiceLocked(); |
| if (service != null) { |
| service.registerPredictionUpdates(sessionId, callback); |
| } |
| } |
| |
| /** |
| * Unregisters a callback for continuous updates of predicted apps or shortcuts. |
| */ |
| @GuardedBy("mLock") |
| public void unregisterPredictionUpdatesLocked(@NonNull AppPredictionSessionId sessionId, |
| @NonNull IPredictionCallback callback) { |
| final RemoteAppPredictionService service = getRemoteServiceLocked(); |
| if (service != null) { |
| service.unregisterPredictionUpdates(sessionId, callback); |
| } |
| } |
| |
| /** |
| * Requests a new set of predicted apps or shortcuts. |
| */ |
| @GuardedBy("mLock") |
| public void requestPredictionUpdateLocked(@NonNull AppPredictionSessionId sessionId) { |
| final RemoteAppPredictionService service = getRemoteServiceLocked(); |
| if (service != null) { |
| service.requestPredictionUpdate(sessionId); |
| } |
| } |
| |
| /** |
| * Notifies the service of the end of an existing prediction session. |
| */ |
| @GuardedBy("mLock") |
| public void onDestroyPredictionSessionLocked(@NonNull AppPredictionSessionId sessionId) { |
| final RemoteAppPredictionService service = getRemoteServiceLocked(); |
| if (service != null) { |
| service.onDestroyPredictionSession(sessionId); |
| } |
| } |
| |
| @Override |
| public void onFailureOrTimeout(boolean timedOut) { |
| if (isDebug()) { |
| Slog.d(TAG, "onFailureOrTimeout(): timed out=" + timedOut); |
| } |
| |
| // Do nothing, we are just proxying to the prediction service |
| } |
| |
| @Override |
| public void onServiceDied(RemoteAppPredictionService service) { |
| if (isDebug()) { |
| Slog.d(TAG, "onServiceDied():"); |
| } |
| |
| // Do nothing, we are just proxying to the prediction service |
| } |
| |
| @GuardedBy("mLock") |
| @Nullable |
| private RemoteAppPredictionService getRemoteServiceLocked() { |
| if (mRemoteService == null) { |
| final String serviceName = getComponentNameLocked(); |
| if (serviceName == null) { |
| if (mMaster.verbose) { |
| Slog.v(TAG, "getRemoteServiceLocked(): not set"); |
| } |
| return null; |
| } |
| ComponentName serviceComponent = ComponentName.unflattenFromString(serviceName); |
| |
| mRemoteService = new RemoteAppPredictionService(getContext(), |
| AppPredictionService.SERVICE_INTERFACE, serviceComponent, mUserId, this, |
| mMaster.isBindInstantServiceAllowed(), mMaster.verbose); |
| } |
| |
| return mRemoteService; |
| } |
| } |