| /* |
| * 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.contentsuggestions; |
| |
| import android.Manifest; |
| import android.annotation.NonNull; |
| import android.annotation.Nullable; |
| import android.app.ActivityManager; |
| import android.app.AppGlobals; |
| import android.app.contentsuggestions.ClassificationsRequest; |
| import android.app.contentsuggestions.IClassificationsCallback; |
| import android.app.contentsuggestions.ISelectionsCallback; |
| import android.app.contentsuggestions.SelectionsRequest; |
| import android.content.ComponentName; |
| import android.content.pm.PackageManager; |
| import android.content.pm.ServiceInfo; |
| import android.graphics.ColorSpace; |
| import android.graphics.GraphicBuffer; |
| import android.os.Bundle; |
| import android.os.RemoteException; |
| import android.util.Slog; |
| |
| import com.android.internal.annotations.GuardedBy; |
| import com.android.server.LocalServices; |
| import com.android.server.infra.AbstractPerUserSystemService; |
| import com.android.server.wm.ActivityTaskManagerInternal; |
| |
| /** |
| * Per user delegate of {@link ContentSuggestionsManagerService}. |
| * |
| * <p>Main job is to forward calls to the remote implementation that can provide suggestion |
| * selections and classifications. |
| */ |
| public final class ContentSuggestionsPerUserService extends |
| AbstractPerUserSystemService< |
| ContentSuggestionsPerUserService, ContentSuggestionsManagerService> { |
| private static final String TAG = ContentSuggestionsPerUserService.class.getSimpleName(); |
| |
| @Nullable |
| @GuardedBy("mLock") |
| private RemoteContentSuggestionsService mRemoteService; |
| |
| @NonNull |
| private final ActivityTaskManagerInternal mActivityTaskManagerInternal; |
| |
| ContentSuggestionsPerUserService( |
| ContentSuggestionsManagerService master, Object lock, int userId) { |
| super(master, lock, userId); |
| mActivityTaskManagerInternal = LocalServices.getService(ActivityTaskManagerInternal.class); |
| } |
| |
| @GuardedBy("mLock") |
| @Override // from PerUserSystemService |
| protected ServiceInfo newServiceInfoLocked(@NonNull ComponentName serviceComponent) |
| throws PackageManager.NameNotFoundException { |
| ServiceInfo si; |
| try { |
| si = AppGlobals.getPackageManager().getServiceInfo(serviceComponent, |
| PackageManager.GET_META_DATA, mUserId); |
| } catch (RemoteException e) { |
| throw new PackageManager.NameNotFoundException( |
| "Could not get service for " + serviceComponent); |
| } |
| if (!Manifest.permission.BIND_CONTENT_SUGGESTIONS_SERVICE.equals(si.permission)) { |
| Slog.w(TAG, "ContentSuggestionsService from '" + si.packageName |
| + "' does not require permission " |
| + Manifest.permission.BIND_CONTENT_SUGGESTIONS_SERVICE); |
| throw new SecurityException("Service does not require permission " |
| + Manifest.permission.BIND_CONTENT_SUGGESTIONS_SERVICE); |
| } |
| return si; |
| } |
| |
| @GuardedBy("mLock") |
| @Override // from PerUserSystemService |
| protected boolean updateLocked(boolean disabled) { |
| final boolean enabledChanged = super.updateLocked(disabled); |
| updateRemoteServiceLocked(); |
| return enabledChanged; |
| } |
| |
| @GuardedBy("mLock") |
| void provideContextImageLocked(int taskId, @NonNull Bundle imageContextRequestExtras) { |
| RemoteContentSuggestionsService service = getRemoteServiceLocked(); |
| if (service != null) { |
| ActivityManager.TaskSnapshot snapshot = |
| mActivityTaskManagerInternal.getTaskSnapshot(taskId, false); |
| GraphicBuffer snapshotBuffer = null; |
| int colorSpaceId = 0; |
| if (snapshot != null) { |
| snapshotBuffer = snapshot.getSnapshot(); |
| ColorSpace colorSpace = snapshot.getColorSpace(); |
| if (colorSpace != null) { |
| colorSpaceId = colorSpace.getId(); |
| } |
| } |
| |
| service.provideContextImage(taskId, snapshotBuffer, colorSpaceId, |
| imageContextRequestExtras); |
| } |
| } |
| |
| @GuardedBy("mLock") |
| void suggestContentSelectionsLocked( |
| @NonNull SelectionsRequest selectionsRequest, |
| @NonNull ISelectionsCallback selectionsCallback) { |
| RemoteContentSuggestionsService service = getRemoteServiceLocked(); |
| if (service != null) { |
| service.suggestContentSelections(selectionsRequest, selectionsCallback); |
| } |
| } |
| |
| @GuardedBy("mLock") |
| void classifyContentSelectionsLocked( |
| @NonNull ClassificationsRequest classificationsRequest, |
| @NonNull IClassificationsCallback callback) { |
| RemoteContentSuggestionsService service = getRemoteServiceLocked(); |
| if (service != null) { |
| service.classifyContentSelections(classificationsRequest, callback); |
| } |
| } |
| |
| @GuardedBy("mLock") |
| void notifyInteractionLocked(@NonNull String requestId, @NonNull Bundle bundle) { |
| RemoteContentSuggestionsService service = getRemoteServiceLocked(); |
| if (service != null) { |
| service.notifyInteraction(requestId, bundle); |
| } |
| } |
| |
| @GuardedBy("mLock") |
| private void updateRemoteServiceLocked() { |
| if (mRemoteService != null) { |
| mRemoteService.destroy(); |
| mRemoteService = null; |
| } |
| } |
| |
| |
| @GuardedBy("mLock") |
| @Nullable |
| private RemoteContentSuggestionsService 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 RemoteContentSuggestionsService(getContext(), |
| serviceComponent, mUserId, |
| new RemoteContentSuggestionsService.Callbacks() { |
| @Override |
| public void onServiceDied( |
| @NonNull RemoteContentSuggestionsService service) { |
| // TODO(b/120865921): properly implement |
| Slog.w(TAG, "remote content suggestions service died"); |
| } |
| }, mMaster.isBindInstantServiceAllowed(), mMaster.verbose); |
| } |
| |
| return mRemoteService; |
| } |
| } |