| /* |
| * Copyright (C) 2014 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.google.android.apps.common.testing.ui.espresso.action; |
| |
| import static com.google.common.collect.Iterables.getOnlyElement; |
| import static org.hamcrest.Matchers.anything; |
| |
| import com.google.android.apps.common.testing.testrunner.ActivityLifecycleMonitorRegistry; |
| import com.google.android.apps.common.testing.testrunner.Stage; |
| import com.google.android.apps.common.testing.ui.espresso.PerformException; |
| import com.google.android.apps.common.testing.ui.espresso.UiController; |
| import com.google.android.apps.common.testing.ui.espresso.ViewAction; |
| import com.google.android.apps.common.testing.ui.espresso.util.HumanReadables; |
| |
| import android.app.Activity; |
| import android.content.Context; |
| import android.os.Bundle; |
| import android.os.ResultReceiver; |
| import android.util.Log; |
| import android.view.View; |
| import android.view.inputmethod.InputMethodManager; |
| |
| import org.hamcrest.Matcher; |
| |
| import java.util.Collection; |
| import java.util.concurrent.CountDownLatch; |
| import java.util.concurrent.TimeUnit; |
| import java.util.concurrent.TimeoutException; |
| import java.util.concurrent.atomic.AtomicInteger; |
| |
| /** |
| * Closes soft keyboard. |
| */ |
| public final class CloseKeyboardAction implements ViewAction { |
| |
| private static final int NUM_RETRIES = 3; |
| private static final String TAG = CloseKeyboardAction.class.getSimpleName(); |
| |
| @SuppressWarnings("unchecked") |
| @Override |
| public Matcher<View> getConstraints() { |
| return anything(); |
| } |
| |
| @Override |
| public void perform(UiController uiController, View view) { |
| // Retry in case of timeout exception to avoid flakiness in IMM. |
| for (int i = 0; i < NUM_RETRIES; i++) { |
| try { |
| tryToCloseKeyboard(view, uiController); |
| return; |
| } catch (TimeoutException te) { |
| Log.w(TAG, "Caught timeout exception. Retrying."); |
| if (i == 2) { |
| throw new PerformException.Builder() |
| .withActionDescription(this.getDescription()) |
| .withViewDescription(HumanReadables.describe(view)) |
| .withCause(te) |
| .build(); |
| } |
| } |
| } |
| } |
| |
| private void tryToCloseKeyboard(View view, UiController uiController) throws TimeoutException { |
| InputMethodManager imm = (InputMethodManager) getRootActivity(uiController) |
| .getSystemService(Context.INPUT_METHOD_SERVICE); |
| final AtomicInteger atomicResultCode = new AtomicInteger(); |
| final CountDownLatch latch = new CountDownLatch(1); |
| |
| ResultReceiver result = new ResultReceiver(null) { |
| @Override |
| protected void onReceiveResult(int resultCode, Bundle resultData) { |
| atomicResultCode.set(resultCode); |
| latch.countDown(); |
| } |
| }; |
| |
| if (!imm.hideSoftInputFromWindow(view.getWindowToken(), 0, result)) { |
| Log.w(TAG, "Attempting to close soft keyboard, while it is not shown."); |
| return; |
| } |
| |
| try { |
| if (!latch.await(2, TimeUnit.SECONDS)) { |
| throw new TimeoutException("Wait on operation result timed out."); |
| } |
| } catch (InterruptedException e) { |
| throw new PerformException.Builder() |
| .withActionDescription(this.getDescription()) |
| .withViewDescription(HumanReadables.describe(view)) |
| .withCause(new RuntimeException("Waiting for soft keyboard close result was interrupted.")) |
| .build(); |
| } |
| |
| if (atomicResultCode.get() != InputMethodManager.RESULT_UNCHANGED_HIDDEN |
| && atomicResultCode.get() != InputMethodManager.RESULT_HIDDEN) { |
| String error = |
| "Attempt to close the soft keyboard did not result in soft keyboard to be hidden." |
| + "resultCode = " + atomicResultCode.get(); |
| Log.e(TAG, error); |
| throw new PerformException.Builder() |
| .withActionDescription(this.getDescription()) |
| .withViewDescription(HumanReadables.describe(view)) |
| .withCause(new RuntimeException(error)) |
| .build(); |
| } |
| } |
| |
| private static Activity getRootActivity(UiController uiController) { |
| Collection<Activity> resumedActivities = |
| ActivityLifecycleMonitorRegistry.getInstance().getActivitiesInStage(Stage.RESUMED); |
| if (resumedActivities.isEmpty()) { |
| uiController.loopMainThreadUntilIdle(); |
| resumedActivities = |
| ActivityLifecycleMonitorRegistry.getInstance().getActivitiesInStage(Stage.RESUMED); |
| } |
| Activity topActivity = getOnlyElement(resumedActivities); |
| return topActivity; |
| } |
| |
| @Override |
| public String getDescription() { |
| return "close keyboard"; |
| } |
| } |