| /* |
| * Copyright (C) 2016 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.managedprovisioning.task; |
| |
| import static com.android.internal.logging.nano.MetricsProto.MetricsEvent.PROVISIONING_START_PROFILE_TASK_MS; |
| import static com.android.internal.util.Preconditions.checkNotNull; |
| |
| import android.app.ActivityManager; |
| import android.app.IActivityManager; |
| import android.content.BroadcastReceiver; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.os.RemoteException; |
| import android.os.UserHandle; |
| |
| import com.android.internal.annotations.VisibleForTesting; |
| import com.android.managedprovisioning.analytics.MetricsWriterFactory; |
| import com.android.managedprovisioning.analytics.ProvisioningAnalyticsTracker; |
| import com.android.managedprovisioning.common.ManagedProvisioningSharedPreferences; |
| import com.android.managedprovisioning.common.ProvisionLogger; |
| import com.android.managedprovisioning.R; |
| import com.android.managedprovisioning.common.SettingsFacade; |
| import com.android.managedprovisioning.model.ProvisioningParams; |
| |
| import java.util.concurrent.Semaphore; |
| import java.util.concurrent.TimeUnit; |
| |
| /** |
| * This task starts the managed profile and waits for it to be unlocked. |
| */ |
| public class StartManagedProfileTask extends AbstractProvisioningTask { |
| // Maximum time we will wait for ACTION_USER_UNLOCK until we give up |
| private static final int USER_UNLOCKED_TIMEOUT_SECONDS = 120; // 2 minutes |
| @VisibleForTesting |
| static final IntentFilter UNLOCK_FILTER = new IntentFilter(Intent.ACTION_USER_UNLOCKED); |
| |
| private final IActivityManager mIActivityManager; |
| |
| public StartManagedProfileTask(Context context, ProvisioningParams params, Callback callback) { |
| this(ActivityManager.getService(), context, params, callback, |
| new ProvisioningAnalyticsTracker( |
| MetricsWriterFactory.getMetricsWriter(context, new SettingsFacade()), |
| new ManagedProvisioningSharedPreferences(context))); |
| } |
| |
| @VisibleForTesting |
| StartManagedProfileTask( |
| IActivityManager iActivityManager, |
| Context context, |
| ProvisioningParams params, |
| Callback callback, |
| ProvisioningAnalyticsTracker provisioningAnalyticsTracker) { |
| super(context, params, callback, provisioningAnalyticsTracker); |
| |
| mIActivityManager = checkNotNull(iActivityManager); |
| } |
| |
| @Override |
| public void run(int userId) { |
| startTaskTimer(); |
| UserUnlockedReceiver unlockedReceiver = new UserUnlockedReceiver(userId); |
| mContext.registerReceiverAsUser(unlockedReceiver, new UserHandle(userId), UNLOCK_FILTER, |
| null, null); |
| try { |
| if (!mIActivityManager.startUserInBackground(userId)) { |
| ProvisionLogger.loge("Unable to start user in background: " + userId); |
| error(0); |
| return; |
| } |
| |
| if (!unlockedReceiver.waitForUserUnlocked()) { |
| ProvisionLogger.loge("Timeout whilst waiting for unlock of user: " + userId); |
| error(0); |
| return; |
| } |
| } catch (RemoteException e) { |
| ProvisionLogger.loge("Exception when starting user in background: " + userId, e); |
| error(0); |
| return; |
| } finally { |
| mContext.unregisterReceiver(unlockedReceiver); |
| } |
| stopTaskTimer(); |
| success(); |
| } |
| |
| @Override |
| public int getStatusMsgId() { |
| return R.string.progress_finishing_touches; |
| } |
| |
| @Override |
| protected int getMetricsCategory() { |
| return PROVISIONING_START_PROFILE_TASK_MS; |
| } |
| |
| /** |
| * BroadcastReceiver that listens to {@link Intent#ACTION_USER_UNLOCKED} in order to provide |
| * a blocking wait until the managed profile has been started and unlocked. |
| */ |
| @VisibleForTesting |
| static class UserUnlockedReceiver extends BroadcastReceiver { |
| private final Semaphore semaphore = new Semaphore(0); |
| private final int mUserId; |
| |
| UserUnlockedReceiver(int userId) { |
| mUserId = userId; |
| } |
| |
| @Override |
| public void onReceive(Context context, Intent intent ) { |
| if (!Intent.ACTION_USER_UNLOCKED.equals(intent.getAction())) { |
| ProvisionLogger.logw("Unexpected intent: " + intent); |
| return; |
| } |
| if (intent.getIntExtra(Intent.EXTRA_USER_HANDLE, UserHandle.USER_NULL) == mUserId) { |
| ProvisionLogger.logd("Received ACTION_USER_UNLOCKED for user " + mUserId); |
| semaphore.release(); |
| } |
| } |
| |
| public boolean waitForUserUnlocked() { |
| ProvisionLogger.logd("Waiting for ACTION_USER_UNLOCKED"); |
| try { |
| return semaphore.tryAcquire(USER_UNLOCKED_TIMEOUT_SECONDS, TimeUnit.SECONDS); |
| } catch (InterruptedException ie) { |
| return false; |
| } |
| } |
| } |
| } |