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/*
* 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";
}
}
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