| /* |
| * Copyright (C) 2020 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.view.contentcapture; |
| |
| import android.content.ComponentName; |
| import android.service.contentcapture.ActivityEvent; |
| import android.service.contentcapture.ContentCaptureService; |
| import android.util.ArraySet; |
| import android.util.Log; |
| import android.util.Pair; |
| |
| import androidx.annotation.NonNull; |
| import androidx.annotation.Nullable; |
| |
| import java.util.Set; |
| import java.util.concurrent.CountDownLatch; |
| import java.util.concurrent.TimeUnit; |
| |
| public class MyContentCaptureService extends ContentCaptureService { |
| |
| private static final String TAG = MyContentCaptureService.class.getSimpleName(); |
| private static final String MY_PACKAGE = "com.android.perftests.contentcapture"; |
| public static final String SERVICE_NAME = MY_PACKAGE + "/" |
| + MyContentCaptureService.class.getName(); |
| |
| private static ServiceWatcher sServiceWatcher; |
| |
| @NonNull |
| public static ServiceWatcher setServiceWatcher() { |
| if (sServiceWatcher != null) { |
| throw new IllegalStateException("There Can Be Only One!"); |
| } |
| sServiceWatcher = new ServiceWatcher(); |
| return sServiceWatcher; |
| } |
| |
| public static void resetStaticState() { |
| sServiceWatcher = null; |
| } |
| |
| private static void clearServiceWatcher() { |
| final ServiceWatcher sw = sServiceWatcher; |
| if (sw != null) { |
| if (sw.mReadyToClear) { |
| sw.mService = null; |
| sServiceWatcher = null; |
| } else { |
| sw.mReadyToClear = true; |
| } |
| } |
| } |
| |
| @Override |
| public void onConnected() { |
| Log.i(TAG, "onConnected: sServiceWatcher=" + sServiceWatcher); |
| |
| if (sServiceWatcher == null) { |
| Log.e(TAG, "onConnected() without a watcher"); |
| return; |
| } |
| |
| if (!sServiceWatcher.mReadyToClear && sServiceWatcher.mService != null) { |
| Log.e(TAG, "onConnected(): already created: " + sServiceWatcher); |
| return; |
| } |
| |
| sServiceWatcher.mService = this; |
| sServiceWatcher.mCreated.countDown(); |
| sServiceWatcher.mReadyToClear = false; |
| } |
| |
| @Override |
| public void onDisconnected() { |
| Log.i(TAG, "onDisconnected: sServiceWatcher=" + sServiceWatcher); |
| |
| if (sServiceWatcher == null) { |
| Log.e(TAG, "onDisconnected() without a watcher"); |
| return; |
| } |
| if (sServiceWatcher.mService == null) { |
| Log.e(TAG, "onDisconnected(): no service on " + sServiceWatcher); |
| return; |
| } |
| |
| sServiceWatcher.mDestroyed.countDown(); |
| clearServiceWatcher(); |
| } |
| |
| @Override |
| public void onCreateContentCaptureSession(ContentCaptureContext context, |
| ContentCaptureSessionId sessionId) { |
| Log.i(TAG, "onCreateContentCaptureSession(ctx=" + context + ", session=" + sessionId); |
| } |
| |
| @Override |
| public void onDestroyContentCaptureSession(ContentCaptureSessionId sessionId) { |
| Log.i(TAG, "onDestroyContentCaptureSession(session=" + sessionId + ")"); |
| } |
| |
| @Override |
| public void onContentCaptureEvent(ContentCaptureSessionId sessionId, |
| ContentCaptureEvent event) { |
| Log.i(TAG, "onContentCaptureEventsRequest(session=" + sessionId + "): " + event); |
| } |
| |
| @Override |
| public void onActivityEvent(ActivityEvent event) { |
| Log.i(TAG, "onActivityEvent(): " + event); |
| } |
| |
| public static final class ServiceWatcher { |
| |
| private static final long GENERIC_TIMEOUT_MS = 10_000; |
| private final CountDownLatch mCreated = new CountDownLatch(1); |
| private final CountDownLatch mDestroyed = new CountDownLatch(1); |
| private boolean mReadyToClear = true; |
| private Pair<Set<String>, Set<ComponentName>> mAllowList; |
| |
| private MyContentCaptureService mService; |
| |
| @NonNull |
| public MyContentCaptureService waitOnCreate() throws InterruptedException { |
| await(mCreated, "not created"); |
| |
| if (mService == null) { |
| throw new IllegalStateException("not created"); |
| } |
| |
| if (mAllowList != null) { |
| Log.d(TAG, "Allow after created: " + mAllowList); |
| mService.setContentCaptureWhitelist(mAllowList.first, mAllowList.second); |
| } |
| |
| return mService; |
| } |
| |
| public void waitOnDestroy() throws InterruptedException { |
| await(mDestroyed, "not destroyed"); |
| } |
| |
| /** |
| * Allow just this package. |
| */ |
| public void setAllowSelf() { |
| final ArraySet<String> pkgs = new ArraySet<>(1); |
| pkgs.add(MY_PACKAGE); |
| mAllowList = new Pair<>(pkgs, null); |
| } |
| |
| @Override |
| public String toString() { |
| return "mService: " + mService + " created: " + (mCreated.getCount() == 0) |
| + " destroyed: " + (mDestroyed.getCount() == 0); |
| } |
| |
| /** |
| * Awaits for a latch to be counted down. |
| */ |
| private static void await(@NonNull CountDownLatch latch, @NonNull String fmt, |
| @Nullable Object... args) |
| throws InterruptedException { |
| final boolean called = latch.await(GENERIC_TIMEOUT_MS, TimeUnit.MILLISECONDS); |
| if (!called) { |
| throw new IllegalStateException(String.format(fmt, args) |
| + " in " + GENERIC_TIMEOUT_MS + "ms"); |
| } |
| } |
| } |
| } |