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      1 /*
      2  * Copyright (C) 2015 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 
     17 package android.widget.espresso;
     18 
     19 import org.hamcrest.Matcher;
     20 
     21 import android.support.test.espresso.UiController;
     22 import android.support.test.espresso.ViewAction;
     23 import android.support.test.espresso.action.CoordinatesProvider;
     24 import android.support.test.espresso.action.MotionEvents;
     25 import android.support.test.espresso.action.MotionEvents.DownResultHolder;
     26 import android.support.test.espresso.action.Press;
     27 import android.support.test.espresso.action.Tapper;
     28 import android.view.MotionEvent;
     29 import android.view.View;
     30 import android.view.ViewConfiguration;
     31 
     32 /**
     33  * ViewAction for performing an click on View by a mouse.
     34  */
     35 public final class MouseClickAction implements ViewAction {
     36     private final ViewClickAction mViewClickAction;
     37     @MouseUiController.MouseButton
     38     private final int mButton;
     39 
     40     public enum CLICK implements Tapper {
     41         TRIPLE {
     42             @Override
     43             public Tapper.Status sendTap(UiController uiController, float[] coordinates,
     44                     float[] precision) {
     45                 Tapper.Status stat = sendSingleTap(uiController, coordinates, precision);
     46                 boolean warning = false;
     47                 if (stat == Tapper.Status.FAILURE) {
     48                     return Tapper.Status.FAILURE;
     49                 } else if (stat == Tapper.Status.WARNING) {
     50                     warning = true;
     51                 }
     52 
     53                 long doubleTapMinimumTimeout = ViewConfiguration.getDoubleTapMinTime();
     54                 for (int i = 0; i < 2; i++) {
     55                     if (0 < doubleTapMinimumTimeout) {
     56                         uiController.loopMainThreadForAtLeast(doubleTapMinimumTimeout);
     57                     }
     58                     stat = sendSingleTap(uiController, coordinates, precision);
     59                     if (stat == Tapper.Status.FAILURE) {
     60                         return Tapper.Status.FAILURE;
     61                     } else if (stat == Tapper.Status.WARNING) {
     62                         warning = true;
     63                     }
     64                 }
     65 
     66                 if (warning) {
     67                     return Tapper.Status.WARNING;
     68                 } else {
     69                     return Tapper.Status.SUCCESS;
     70                 }
     71             }
     72         };
     73 
     74         private static Tapper.Status sendSingleTap(UiController uiController,
     75                 float[] coordinates, float[] precision) {
     76             DownResultHolder res = MotionEvents.sendDown(uiController, coordinates, precision);
     77             try {
     78                 if (!MotionEvents.sendUp(uiController, res.down)) {
     79                     MotionEvents.sendCancel(uiController, res.down);
     80                     return Tapper.Status.FAILURE;
     81                 }
     82             } finally {
     83                 res.down.recycle();
     84             }
     85             return res.longPress ? Tapper.Status.WARNING : Tapper.Status.SUCCESS;
     86         }
     87     };
     88 
     89     public MouseClickAction(Tapper tapper, CoordinatesProvider coordinatesProvider) {
     90         this(tapper, coordinatesProvider, MotionEvent.BUTTON_PRIMARY);
     91     }
     92 
     93     /**
     94      * Constructs MouseClickAction
     95      *
     96      * @param tapper the tapper
     97      * @param coordinatesProvider the provider of the event coordinates
     98      * @param button the mouse button used to send motion events
     99      */
    100     public MouseClickAction(Tapper tapper, CoordinatesProvider coordinatesProvider,
    101             @MouseUiController.MouseButton int button) {
    102         mViewClickAction = new ViewClickAction(tapper, coordinatesProvider, Press.PINPOINT);
    103         mButton = button;
    104     }
    105 
    106     @Override
    107     public Matcher<View> getConstraints() {
    108         return mViewClickAction.getConstraints();
    109     }
    110 
    111     @Override
    112     public String getDescription() {
    113         return mViewClickAction.getDescription();
    114     }
    115 
    116     @Override
    117     public void perform(UiController uiController, View view) {
    118         mViewClickAction.perform(new MouseUiController(uiController, mButton), view);
    119     }
    120 }
    121