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 static android.support.test.espresso.matcher.ViewMatchers.isDisplayed;
20
21import android.support.test.espresso.UiController;
22import android.support.test.espresso.ViewAction;
23import android.view.View;
24
25import androidx.core.view.ViewCompat;
26
27import org.hamcrest.Matcher;
28
29public class LayoutDirectionActions {
30    /**
31     * Sets layout direction on the view.
32     */
33    public static ViewAction setLayoutDirection(final int layoutDirection) {
34        return new ViewAction() {
35            @Override
36            public Matcher<View> getConstraints() {
37                return isDisplayed();
38            }
39
40            @Override
41            public String getDescription() {
42                return "set layout direction";
43            }
44
45            @Override
46            public void perform(UiController uiController, View view) {
47                uiController.loopMainThreadUntilIdle();
48
49                ViewCompat.setLayoutDirection(view, layoutDirection);
50
51                uiController.loopMainThreadUntilIdle();
52            }
53        };
54    }
55}
56