1/*
2 * Copyright (C) 2017 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 com.android.systemui.pip.phone;
18
19import static android.view.MotionEvent.ACTION_DOWN;
20import static android.view.MotionEvent.ACTION_MOVE;
21import static android.view.MotionEvent.ACTION_UP;
22
23import static org.junit.Assert.assertFalse;
24import static org.junit.Assert.assertTrue;
25
26import android.os.Handler;
27import android.os.HandlerThread;
28import android.os.Looper;
29import android.os.SystemClock;
30import android.support.test.filters.SmallTest;
31import android.support.test.runner.AndroidJUnit4;
32import android.view.MotionEvent;
33import android.view.ViewConfiguration;
34
35import com.android.systemui.SysuiTestCase;
36import com.android.systemui.pip.phone.PipTouchState;
37
38import org.junit.Before;
39import org.junit.Ignore;
40import org.junit.Test;
41import org.junit.runner.RunWith;
42
43import java.util.concurrent.CountDownLatch;
44import java.util.concurrent.TimeUnit;
45
46@RunWith(AndroidJUnit4.class)
47@SmallTest
48public class PipTouchStateTest extends SysuiTestCase {
49
50    private Handler mHandler;
51    private HandlerThread mHandlerThread;
52    private PipTouchState mTouchState;
53    private CountDownLatch mDoubleTapCallbackTriggeredLatch;
54
55    @Before
56    public void setUp() throws Exception {
57        mHandlerThread = new HandlerThread("PipTouchStateTestThread");
58        mHandlerThread.start();
59        mHandler = new Handler(mHandlerThread.getLooper());
60
61        mDoubleTapCallbackTriggeredLatch = new CountDownLatch(1);
62        mTouchState = new PipTouchState(ViewConfiguration.get(getContext()),
63                mHandler, () -> {
64            mDoubleTapCallbackTriggeredLatch.countDown();
65        });
66        assertFalse(mTouchState.isDoubleTap());
67        assertFalse(mTouchState.isWaitingForDoubleTap());
68    }
69
70    @Test
71    public void testDoubleTapLongSingleTap_notDoubleTapAndNotWaiting() {
72        final long currentTime = SystemClock.uptimeMillis();
73
74        mTouchState.onTouchEvent(createMotionEvent(ACTION_DOWN, currentTime, 0, 0));
75        mTouchState.onTouchEvent(createMotionEvent(ACTION_UP,
76                currentTime + PipTouchState.DOUBLE_TAP_TIMEOUT + 10, 0, 0));
77        assertFalse(mTouchState.isDoubleTap());
78        assertFalse(mTouchState.isWaitingForDoubleTap());
79        assertTrue(mTouchState.getDoubleTapTimeoutCallbackDelay() == -1);
80    }
81
82    @Test
83    public void testDoubleTapTimeout_timeoutCallbackCalled() throws Exception {
84        final long currentTime = SystemClock.uptimeMillis();
85
86        mTouchState.onTouchEvent(createMotionEvent(ACTION_DOWN, currentTime, 0, 0));
87        mTouchState.onTouchEvent(createMotionEvent(ACTION_UP,
88                currentTime + PipTouchState.DOUBLE_TAP_TIMEOUT - 10, 0, 0));
89        assertFalse(mTouchState.isDoubleTap());
90        assertTrue(mTouchState.isWaitingForDoubleTap());
91
92        assertTrue(mTouchState.getDoubleTapTimeoutCallbackDelay() == 10);
93        mTouchState.scheduleDoubleTapTimeoutCallback();
94        mDoubleTapCallbackTriggeredLatch.await(1, TimeUnit.SECONDS);
95        assertTrue(mDoubleTapCallbackTriggeredLatch.getCount() == 0);
96    }
97
98    @Test
99    public void testDoubleTapDrag_doubleTapCanceled() {
100        final long currentTime = SystemClock.uptimeMillis();
101
102        mTouchState.onTouchEvent(createMotionEvent(ACTION_DOWN, currentTime, 0, 0));
103        mTouchState.onTouchEvent(createMotionEvent(ACTION_MOVE, currentTime + 10, 500, 500));
104        mTouchState.onTouchEvent(createMotionEvent(ACTION_UP, currentTime + 20, 500, 500));
105        assertTrue(mTouchState.isDragging());
106        assertFalse(mTouchState.isDoubleTap());
107        assertFalse(mTouchState.isWaitingForDoubleTap());
108        assertTrue(mTouchState.getDoubleTapTimeoutCallbackDelay() == -1);
109    }
110
111    @Test
112    public void testDoubleTap_doubleTapRegistered() {
113        final long currentTime = SystemClock.uptimeMillis();
114
115        mTouchState.onTouchEvent(createMotionEvent(ACTION_DOWN, currentTime, 0, 0));
116        mTouchState.onTouchEvent(createMotionEvent(ACTION_UP, currentTime + 10, 0, 0));
117        mTouchState.onTouchEvent(createMotionEvent(ACTION_DOWN,
118                currentTime + PipTouchState.DOUBLE_TAP_TIMEOUT - 20, 0, 0));
119        mTouchState.onTouchEvent(createMotionEvent(ACTION_UP,
120                currentTime + PipTouchState.DOUBLE_TAP_TIMEOUT - 10, 0, 0));
121        assertTrue(mTouchState.isDoubleTap());
122        assertFalse(mTouchState.isWaitingForDoubleTap());
123        assertTrue(mTouchState.getDoubleTapTimeoutCallbackDelay() == -1);
124    }
125
126    private MotionEvent createMotionEvent(int action, long eventTime, float x, float y) {
127        return MotionEvent.obtain(0, eventTime, action, x, y, 0);
128    }
129}