1 files changed, 166 insertions, 0 deletions
diff --git a/adservices/tests/cts/sandbox/appsetid/src/com/android/tests/sandbox/appsetid/SimpleActivity.java b/adservices/tests/cts/sandbox/appsetid/src/com/android/tests/sandbox/appsetid/SimpleActivity.java
new file mode 100644
index 0000000000..8e7223dcda
--- /dev/null
+++ b/adservices/tests/cts/sandbox/appsetid/src/com/android/tests/sandbox/appsetid/SimpleActivity.java
@@ -0,0 +1,166 @@
+/*
+ * Copyright (C) 2022 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.tests.sandbox.appsetid;
+
+import android.annotation.NonNull;
+import android.app.Activity;
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.content.IntentFilter;
+import android.os.Bundle;
+import android.os.SystemClock;
+
+import java.time.Duration;
+import java.util.concurrent.TimeoutException;
+
+/** A simple activity to launch to make the CTS be considered a foreground app by PPAPI. */
+public class SimpleActivity extends Activity {
+    private static final String EXTRA_FINISH_FLAG = "finish";
+    private static final String ACTION_SIMPLE_ACTIVITY_START_RESULT =
+            "com.android.tests.sandbox.appsetid.SimpleActivity.RESULT";
+
+    @Override
+    public void onCreate(Bundle icicle) {
+        super.onCreate(icicle);
+    }
+
+    @Override
+    public void onStart() {
+        super.onStart();
+    }
+
+    @Override
+    public void onResume() {
+        super.onResume();
+        Intent reply = new Intent(ACTION_SIMPLE_ACTIVITY_START_RESULT);
+        reply.setFlags(Intent.FLAG_RECEIVER_FOREGROUND);
+        sendBroadcast(reply);
+    }
+
+    @Override
+    protected void onNewIntent(Intent intent) {
+        super.onNewIntent(intent);
+        if (intent.getExtras().getBoolean(EXTRA_FINISH_FLAG)) {
+            finish();
+        }
+    }
+
+    /** @return an intent targeting {@link SimpleActivity} */
+    public static Intent getSimpleActivityIntent() {
+        return new Intent(Intent.ACTION_MAIN)
+                .setClassName(SimpleActivity.class.getPackageName(), SimpleActivity.class.getName())
+                .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+    }
+
+    /** Starts a {@link SimpleActivity}. Doesn't wait fore activity to be started */
+    public static void startSimpleActivity(Context targetContext) {
+        targetContext.startActivity(getSimpleActivityIntent());
+    }
+
+    /**
+     * Stops a single activity, doesn't wait for the activity to stop or check if the activity was
+     * actually running.
+     */
+    public static void stopSimpleActivity(Context targetContext) {
+        targetContext.startActivity(
+                getSimpleActivityIntent()
+                        .addFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP)
+                        .putExtra(EXTRA_FINISH_FLAG, true));
+    }
+
+    /**
+     * Starts a {@link SimpleActivity} and wait for the activity to be started the specified max
+     * waiting time.
+     *
+     * @param targetContext the context to start the activity in
+     * @param maxWaitTime the max waiting time
+     * @throws TimeoutException if the activity didn't start within timeout
+     */
+    public static void startAndWaitForSimpleActivity(Context targetContext, Duration maxWaitTime)
+            throws TimeoutException {
+        try (WaitForBroadcast waiter = new WaitForBroadcast(targetContext)) {
+            waiter.prepare(ACTION_SIMPLE_ACTIVITY_START_RESULT);
+            startSimpleActivity(targetContext);
+            waiter.doWait(maxWaitTime.toMillis());
+        }
+    }
+
+    /** See {@code android.app.cts.android.app.cts.tools.WaitForBroadcast} */
+    private static class WaitForBroadcast implements AutoCloseable {
+        @NonNull private final Context mContext;
+
+        String mWaitingAction;
+        boolean mHasResult;
+        Intent mReceivedIntent;
+        private final Object mWaitMonitor = new Object();
+
+        final BroadcastReceiver mReceiver =
+                new BroadcastReceiver() {
+                    @Override
+                    public void onReceive(Context context, Intent intent) {
+                        synchronized (mWaitMonitor) {
+                            mReceivedIntent = intent;
+                            mHasResult = true;
+                            mWaitMonitor.notifyAll();
+                        }
+                    }
+                };
+
+        WaitForBroadcast(@NonNull Context context) {
+            mContext = context;
+        }
+
+        public void prepare(String action) {
+            if (mWaitingAction != null) {
+                throw new IllegalStateException("Already prepared");
+            }
+            mWaitingAction = action;
+            IntentFilter filter = new IntentFilter();
+            filter.addAction(action);
+            mContext.registerReceiver(mReceiver, filter);
+        }
+
+        public Intent doWait(long timeoutMillis) throws TimeoutException {
+            final long endTime = SystemClock.uptimeMillis() + timeoutMillis;
+
+            synchronized (this) {
+                while (!mHasResult) {
+                    final long now = SystemClock.uptimeMillis();
+                    if (now >= endTime) {
+                        String action = mWaitingAction;
+                        throw new TimeoutException("Timed out waiting for broadcast " + action);
+                    }
+                    try {
+                        wait(endTime - now);
+                    } catch (InterruptedException e) {
+                        Thread.currentThread().interrupt();
+                    }
+                }
+                return mReceivedIntent;
+            }
+        }
+
+        @Override
+        public void close() {
+            if (mWaitingAction != null) {
+                mContext.unregisterReceiver(mReceiver);
+                mWaitingAction = null;
+            }
+        }
+    }
+}