1/*
2 * Copyright (C) 2016 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package android.support.v4.testutils;
18
19import android.support.test.espresso.UiController;
20import android.support.test.espresso.ViewAction;
21import android.support.v4.view.ViewCompat;
22import android.view.View;
23import org.hamcrest.Matcher;
24
25import static android.support.test.espresso.matcher.ViewMatchers.isDisplayed;
26
27public class LayoutDirectionActions {
28    /**
29     * Sets layout direction on the view.
30     */
31    public static ViewAction setLayoutDirection(final int layoutDirection) {
32        return new ViewAction() {
33            @Override
34            public Matcher<View> getConstraints() {
35                return isDisplayed();
36            }
37
38            @Override
39            public String getDescription() {
40                return "set layout direction";
41            }
42
43            @Override
44            public void perform(UiController uiController, View view) {
45                uiController.loopMainThreadUntilIdle();
46
47                ViewCompat.setLayoutDirection(view, layoutDirection);
48
49                uiController.loopMainThreadUntilIdle();
50            }
51        };
52    }
53}
54