1 /*
2  * Copyright (C) 2020 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 com.android.systemui.navigationbar;
18 
19 import static org.junit.Assert.assertNotNull;
20 import static org.junit.Assert.assertTrue;
21 import static org.mockito.ArgumentMatchers.any;
22 import static org.mockito.Mockito.when;
23 
24 import android.content.Context;
25 import android.graphics.PixelFormat;
26 import android.hardware.display.DisplayManager;
27 import android.hardware.display.VirtualDisplay;
28 import android.media.ImageReader;
29 import android.os.SystemClock;
30 import android.testing.TestableLooper.RunWithLooper;
31 import android.util.Log;
32 import android.view.Display;
33 import android.view.DisplayInfo;
34 
35 import androidx.test.ext.junit.runners.AndroidJUnit4;
36 import androidx.test.filters.SmallTest;
37 
38 import com.android.systemui.SysuiTestCase;
39 import com.android.systemui.SysuiTestableContext;
40 import com.android.systemui.assist.AssistManager;
41 import com.android.systemui.navigationbar.gestural.EdgeBackGestureHandler;
42 import com.android.systemui.recents.OverviewProxyService;
43 import com.android.systemui.settings.FakeDisplayTracker;
44 import com.android.systemui.statusbar.policy.KeyguardStateController;
45 
46 import org.junit.After;
47 import org.junit.Before;
48 import org.junit.Test;
49 import org.junit.runner.RunWith;
50 import org.mockito.Mock;
51 import org.mockito.MockitoAnnotations;
52 
53 import java.util.function.Predicate;
54 
55 /** atest NavigationBarButtonTest */
56 @RunWith(AndroidJUnit4.class)
57 @RunWithLooper
58 @SmallTest
59 public class NavigationBarButtonTest extends SysuiTestCase {
60 
61     @Mock
62     EdgeBackGestureHandler.Factory mEdgeBackGestureHandlerFactory;
63     @Mock
64     EdgeBackGestureHandler mEdgeBackGestureHandler;
65     private static final String TAG = "NavigationBarButtonTest";
66     private ImageReader mReader;
67     private NavigationBarView mNavBar;
68     private VirtualDisplay mVirtualDisplay;
69     private FakeDisplayTracker mDisplayTracker = new FakeDisplayTracker(mContext);
70 
71     @Before
setup()72     public void setup() {
73         MockitoAnnotations.initMocks(this);
74         final Display display = createVirtualDisplay();
75         final SysuiTestableContext context =
76                 (SysuiTestableContext) mContext.createDisplayContext(display);
77 
78         when(mEdgeBackGestureHandlerFactory.create(any(Context.class)))
79                 .thenReturn(mEdgeBackGestureHandler);
80 
81         mDependency.injectMockDependency(AssistManager.class);
82         mDependency.injectMockDependency(OverviewProxyService.class);
83         mDependency.injectMockDependency(KeyguardStateController.class);
84         mDependency.injectMockDependency(NavigationBarController.class);
85         mDependency.injectTestDependency(EdgeBackGestureHandler.Factory.class,
86                 mEdgeBackGestureHandlerFactory);
87         mNavBar = new NavigationBarView(context, null);
88         mNavBar.setDisplayTracker(mDisplayTracker);
89     }
90 
createVirtualDisplay()91     private Display createVirtualDisplay() {
92         final String displayName = "NavVirtualDisplay";
93         final DisplayInfo displayInfo = new DisplayInfo();
94         mContext.getDisplay().getDisplayInfo(displayInfo);
95 
96         final DisplayManager displayManager = mContext.getSystemService(DisplayManager.class);
97 
98         mReader = ImageReader.newInstance(displayInfo.logicalWidth,
99                 displayInfo.logicalHeight, PixelFormat.RGBA_8888, 2);
100 
101         assertNotNull("ImageReader must not be null", mReader);
102 
103         mVirtualDisplay = displayManager.createVirtualDisplay(displayName, displayInfo.logicalWidth,
104                 displayInfo.logicalHeight, displayInfo.logicalDensityDpi, mReader.getSurface(),
105                 0 /*flags*/);
106 
107         assertNotNull("virtual display must not be null", mVirtualDisplay);
108 
109         waitForDisplayReady(mVirtualDisplay.getDisplay().getDisplayId());
110 
111         return mVirtualDisplay.getDisplay();
112     }
113 
waitForDisplayReady(int displayId)114     private void waitForDisplayReady(int displayId) {
115         waitForDisplayCondition(displayId, state -> state);
116     }
117 
waitForDisplayCondition(int displayId, Predicate<Boolean> condition)118     private void waitForDisplayCondition(int displayId, Predicate<Boolean> condition) {
119         for (int retry = 1; retry <= 10; retry++) {
120             if (condition.test(isDisplayOn(displayId))) {
121                 return;
122             }
123             Log.i(TAG, "Waiting for virtual display ready ... retry = " + retry);
124             SystemClock.sleep(500);
125         }
126     }
127 
isDisplayOn(int displayId)128     private boolean isDisplayOn(int displayId) {
129         DisplayManager displayManager = mContext.getSystemService(DisplayManager.class);
130         Display display = displayManager.getDisplay(displayId);
131         return display != null && display.getState() == Display.STATE_ON;
132     }
133 
134     @After
tearDown()135     public void tearDown() {
136         releaseDisplay();
137     }
138 
releaseDisplay()139     private void releaseDisplay() {
140         mVirtualDisplay.release();
141         mReader.close();
142     }
143 
144     @Test
testRecentsButtonDisabledOnSecondaryDisplay()145     public void testRecentsButtonDisabledOnSecondaryDisplay() {
146         assertTrue("The recents button must be disabled",
147                 mNavBar.isRecentsButtonDisabled());
148     }
149 }
150 
151 
152 
153