| /* |
| * 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.contentcapture; |
| |
| import static android.view.contentcapture.ContentCaptureHelper.sDebug; |
| import static android.view.contentcapture.ContentCaptureHelper.sVerbose; |
| |
| import android.annotation.NonNull; |
| import android.annotation.Nullable; |
| import android.content.ComponentName; |
| import android.content.Context; |
| import android.os.IBinder; |
| import android.service.contentcapture.ActivityEvent; |
| import android.service.contentcapture.IContentCaptureService; |
| import android.service.contentcapture.IContentCaptureServiceCallback; |
| import android.service.contentcapture.SnapshotData; |
| import android.util.Slog; |
| import android.view.contentcapture.ContentCaptureContext; |
| import android.view.contentcapture.DataRemovalRequest; |
| |
| import com.android.internal.infra.AbstractMultiplePendingRequestsRemoteService; |
| import com.android.internal.os.IResultReceiver; |
| |
| final class RemoteContentCaptureService |
| extends AbstractMultiplePendingRequestsRemoteService<RemoteContentCaptureService, |
| IContentCaptureService> { |
| |
| private final IBinder mServerCallback; |
| private final int mIdleUnbindTimeoutMs; |
| private final ContentCapturePerUserService mPerUserService; |
| |
| RemoteContentCaptureService(Context context, String serviceInterface, |
| ComponentName serviceComponentName, IContentCaptureServiceCallback callback, int userId, |
| ContentCapturePerUserService perUserService, boolean bindInstantServiceAllowed, |
| boolean verbose, int idleUnbindTimeoutMs) { |
| super(context, serviceInterface, serviceComponentName, userId, perUserService, |
| context.getMainThreadHandler(), |
| bindInstantServiceAllowed ? Context.BIND_ALLOW_INSTANT : 0, verbose, |
| /* initialCapacity= */ 2); |
| mPerUserService = perUserService; |
| mServerCallback = callback.asBinder(); |
| mIdleUnbindTimeoutMs = idleUnbindTimeoutMs; |
| |
| // Bind right away, which will trigger a onConnected() on service's |
| ensureBoundLocked(); |
| } |
| |
| @Override // from AbstractRemoteService |
| protected IContentCaptureService getServiceInterface(@NonNull IBinder service) { |
| return IContentCaptureService.Stub.asInterface(service); |
| } |
| |
| @Override // from AbstractRemoteService |
| protected long getTimeoutIdleBindMillis() { |
| return mIdleUnbindTimeoutMs; |
| } |
| |
| @Override // from AbstractRemoteService |
| protected void handleOnConnectedStateChanged(boolean connected) { |
| if (connected && getTimeoutIdleBindMillis() != PERMANENT_BOUND_TIMEOUT_MS) { |
| scheduleUnbind(); |
| } |
| try { |
| if (connected) { |
| try { |
| mService.onConnected(mServerCallback, sVerbose, sDebug); |
| } finally { |
| // Update the system-service state, in case the service reconnected after |
| // dying |
| mPerUserService.onConnected(); |
| } |
| } else { |
| mService.onDisconnected(); |
| } |
| } catch (Exception e) { |
| Slog.w(mTag, "Exception calling onConnectedStateChanged(" + connected + "): " + e); |
| } |
| } |
| |
| public void ensureBoundLocked() { |
| scheduleBind(); |
| } |
| |
| /** |
| * Called by {@link ContentCaptureServerSession} to generate a call to the |
| * {@link RemoteContentCaptureService} to indicate the session was created. |
| */ |
| public void onSessionStarted(@Nullable ContentCaptureContext context, int sessionId, int uid, |
| @NonNull IResultReceiver clientReceiver, int initialState) { |
| scheduleAsyncRequest( |
| (s) -> s.onSessionStarted(context, sessionId, uid, clientReceiver, initialState)); |
| } |
| |
| /** |
| * Called by {@link ContentCaptureServerSession} to generate a call to the |
| * {@link RemoteContentCaptureService} to indicate the session was finished. |
| */ |
| public void onSessionFinished(int sessionId) { |
| scheduleAsyncRequest((s) -> s.onSessionFinished(sessionId)); |
| } |
| |
| /** |
| * Called by {@link ContentCaptureServerSession} to send snapshot data to the service. |
| */ |
| public void onActivitySnapshotRequest(int sessionId, @NonNull SnapshotData snapshotData) { |
| scheduleAsyncRequest((s) -> s.onActivitySnapshot(sessionId, snapshotData)); |
| } |
| |
| /** |
| * Called by {@link ContentCaptureServerSession} to request removal of content capture data. |
| */ |
| public void onDataRemovalRequest(@NonNull DataRemovalRequest request) { |
| scheduleAsyncRequest((s) -> s.onDataRemovalRequest(request)); |
| } |
| |
| /** |
| * Called by {@link ContentCaptureServerSession} to notify a high-level activity event. |
| */ |
| public void onActivityLifecycleEvent(@NonNull ActivityEvent event) { |
| scheduleAsyncRequest((s) -> s.onActivityEvent(event)); |
| } |
| |
| public interface ContentCaptureServiceCallbacks |
| extends VultureCallback<RemoteContentCaptureService> { |
| // NOTE: so far we don't need to notify the callback implementation |
| // (ContentCaptureServerSession) of the request results (success, timeouts, etc..), so this |
| // callback interface is empty. |
| } |
| } |