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.widget.espresso;
18
19import org.hamcrest.Matcher;
20
21import android.support.test.espresso.UiController;
22import android.support.test.espresso.ViewAction;
23import android.support.test.espresso.action.CoordinatesProvider;
24import android.support.test.espresso.action.GeneralClickAction;
25import android.support.test.espresso.action.PrecisionDescriber;
26import android.support.test.espresso.action.Tapper;
27import android.view.View;
28import android.view.ViewConfiguration;
29
30public final class ViewClickAction implements ViewAction {
31    private final GeneralClickAction mGeneralClickAction;
32
33    public ViewClickAction(Tapper tapper, CoordinatesProvider coordinatesProvider,
34            PrecisionDescriber precisionDescriber) {
35        mGeneralClickAction = new GeneralClickAction(tapper, coordinatesProvider,
36                precisionDescriber);
37    }
38
39    @Override
40    public Matcher<View> getConstraints() {
41        return mGeneralClickAction.getConstraints();
42    }
43
44    @Override
45    public String getDescription() {
46        return mGeneralClickAction.getDescription();
47    }
48
49    @Override
50    public void perform(UiController uiController, View view) {
51        mGeneralClickAction.perform(uiController, view);
52        long doubleTapTimeout = ViewConfiguration.getDoubleTapTimeout();
53        if (0 < doubleTapTimeout) {
54            // Wait to avoid false gesture detection. Without this wait, consecutive clicks can be
55            // detected as a double click or triple click. e.g. 2 double clicks on TextView are
56            // detected as a triple click and a single click because espresso isn't aware of
57            // TextView specific gestures.
58            uiController.loopMainThreadForAtLeast(doubleTapTimeout);
59        }
60    }
61}
62