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 package androidx.leanback.widget;
17 
18 import static org.junit.Assert.assertEquals;
19 import static org.junit.Assert.assertFalse;
20 import static org.junit.Assert.assertSame;
21 import static org.junit.Assert.assertTrue;
22 
23 import android.content.Context;
24 import android.support.test.InstrumentationRegistry;
25 import android.support.test.filters.SmallTest;
26 import android.support.test.runner.AndroidJUnit4;
27 import android.view.View;
28 import android.widget.Button;
29 import android.widget.LinearLayout;
30 import android.widget.TextView;
31 
32 import org.junit.Test;
33 import org.junit.runner.RunWith;
34 
35 import java.util.ArrayList;
36 
37 @SmallTest
38 @RunWith(AndroidJUnit4.class)
39 
40 public class ControlBarTest {
41 
42     @Test
defaultFocus()43     public void defaultFocus() {
44         Context context = InstrumentationRegistry.getTargetContext();
45         final ControlBar bar = new ControlBar(context, null);
46         final TextView v1 = new Button(context);
47         bar.addView(v1, 100, 100);
48         final TextView v2 = new Button(context);
49         bar.addView(v2, 100, 100);
50         final TextView v3 = new Button(context);
51         bar.addView(v3, 100, 100);
52         InstrumentationRegistry.getInstrumentation().runOnMainSync(
53                 new Runnable() {
54                     @Override
55                     public void run() {
56                         bar.requestFocus(View.FOCUS_DOWN);
57                     }
58                 }
59         );
60         assertTrue(v2.hasFocus());
61     }
62 
63     @Test
persistFocus()64     public void persistFocus() {
65         Context context = InstrumentationRegistry.getTargetContext();
66         final LinearLayout rootView = new LinearLayout(context);
67         final ControlBar bar = new ControlBar(context, null);
68         rootView.addView(bar, 800, 100);
69         final Button barSibling = new Button(context);
70         rootView.addView(barSibling, 100, 100);
71         final TextView v1 = new Button(context);
72         bar.addView(v1, 100, 100);
73         final TextView v2 = new Button(context);
74         bar.addView(v2, 100, 100);
75         final TextView v3 = new Button(context);
76         bar.addView(v3, 100, 100);
77         InstrumentationRegistry.getInstrumentation().runOnMainSync(
78                 new Runnable() {
79                     @Override
80                     public void run() {
81                         v3.requestFocus(View.FOCUS_DOWN);
82                     }
83                 }
84         );
85         InstrumentationRegistry.getInstrumentation().runOnMainSync(
86                 new Runnable() {
87                     @Override
88                     public void run() {
89                         barSibling.requestFocus();
90                     }
91                 }
92         );
93         assertFalse(bar.hasFocus());
94         InstrumentationRegistry.getInstrumentation().runOnMainSync(
95                 new Runnable() {
96                     @Override
97                     public void run() {
98                         bar.requestFocus(View.FOCUS_RIGHT);
99                     }
100                 }
101         );
102         assertTrue(v3.hasFocus());
103     }
104 
105     @Test
getFocusables()106     public void getFocusables() {
107         Context context = InstrumentationRegistry.getTargetContext();
108         final LinearLayout rootView = new LinearLayout(context);
109         final ControlBar bar = new ControlBar(context, null);
110         rootView.addView(bar, 800, 100);
111         final Button barSibling = new Button(context);
112         rootView.addView(barSibling, 100, 100);
113         final TextView v1 = new Button(context);
114         bar.addView(v1, 100, 100);
115         final TextView v2 = new Button(context);
116         bar.addView(v2, 100, 100);
117         final TextView v3 = new Button(context);
118         bar.addView(v3, 100, 100);
119 
120         ArrayList<View> focusables = new ArrayList();
121         bar.addFocusables(focusables, View.FOCUS_DOWN);
122         assertEquals(1, focusables.size());
123         assertSame(focusables.get(0), v2);
124         focusables.clear();
125         bar.addFocusables(focusables, View.FOCUS_UP);
126         assertEquals(1, focusables.size());
127         assertSame(focusables.get(0), v2);
128         focusables.clear();
129         bar.addFocusables(focusables, View.FOCUS_LEFT);
130         assertEquals(3, focusables.size());
131         focusables.clear();
132         bar.addFocusables(focusables, View.FOCUS_RIGHT);
133         assertEquals(3, focusables.size());
134 
135         InstrumentationRegistry.getInstrumentation().runOnMainSync(
136                 new Runnable() {
137                     @Override
138                     public void run() {
139                         v3.requestFocus(View.FOCUS_DOWN);
140                     }
141                 }
142         );
143         InstrumentationRegistry.getInstrumentation().runOnMainSync(
144                 new Runnable() {
145                     @Override
146                     public void run() {
147                         barSibling.requestFocus();
148                     }
149                 }
150         );
151         assertFalse(bar.hasFocus());
152         focusables.clear();
153         bar.addFocusables(focusables, View.FOCUS_DOWN);
154         assertEquals(1, focusables.size());
155         assertSame(focusables.get(0), v3);
156         focusables.clear();
157         bar.addFocusables(focusables, View.FOCUS_UP);
158         assertEquals(1, focusables.size());
159         assertSame(focusables.get(0), v3);
160         focusables.clear();
161         bar.addFocusables(focusables, View.FOCUS_LEFT);
162         assertEquals(3, focusables.size());
163         focusables.clear();
164         bar.addFocusables(focusables, View.FOCUS_RIGHT);
165         assertEquals(3, focusables.size());
166 
167     }
168 }
169