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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 
17 package com.android.server.wm;
18 
19 import static android.view.WindowInsetsController.APPEARANCE_LIGHT_STATUS_BARS;
20 import static android.view.WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW;
21 import static android.view.WindowManager.LayoutParams.FLAG_SECURE;
22 
23 import static com.android.dx.mockito.inline.extended.ExtendedMockito.doReturn;
24 import static com.android.dx.mockito.inline.extended.ExtendedMockito.spyOn;
25 import static com.android.server.wm.TaskSnapshotController.SNAPSHOT_MODE_APP_THEME;
26 import static com.android.server.wm.TaskSnapshotController.SNAPSHOT_MODE_REAL;
27 
28 import static org.junit.Assert.assertEquals;
29 import static org.junit.Assert.assertFalse;
30 import static org.junit.Assert.assertNotEquals;
31 import static org.junit.Assert.assertSame;
32 import static org.junit.Assert.assertTrue;
33 import static org.junit.Assert.fail;
34 import static org.mockito.ArgumentMatchers.eq;
35 import static org.mockito.Mockito.verify;
36 import static org.mockito.Mockito.when;
37 
38 import android.app.WindowConfiguration;
39 import android.content.ComponentName;
40 import android.content.res.Configuration;
41 import android.graphics.ColorSpace;
42 import android.graphics.PixelFormat;
43 import android.graphics.Point;
44 import android.graphics.Rect;
45 import android.hardware.HardwareBuffer;
46 import android.platform.test.annotations.Presubmit;
47 import android.util.ArraySet;
48 import android.window.TaskSnapshot;
49 
50 import androidx.test.filters.SmallTest;
51 
52 import com.google.android.collect.Sets;
53 
54 import org.junit.Test;
55 import org.junit.runner.RunWith;
56 import org.mockito.Mockito;
57 
58 /**
59  * Test class for {@link TaskSnapshotController}.
60  *
61  * Build/Install/Run:
62  *  *  atest WmTests:TaskSnapshotControllerTest
63  */
64 @SmallTest
65 @Presubmit
66 @RunWith(WindowTestRunner.class)
67 public class TaskSnapshotControllerTest extends WindowTestsBase {
68 
69     @Test
testGetClosingApps_closing()70     public void testGetClosingApps_closing() {
71         final WindowState closingWindow = createWindow(null, FIRST_APPLICATION_WINDOW,
72                 "closingWindow");
73         closingWindow.mActivityRecord.commitVisibility(
74                 false /* visible */, true /* performLayout */);
75         final ArraySet<ActivityRecord> closingApps = new ArraySet<>();
76         closingApps.add(closingWindow.mActivityRecord);
77         final ArraySet<Task> closingTasks = new ArraySet<>();
78         mWm.mTaskSnapshotController.getClosingTasks(closingApps, closingTasks);
79         assertEquals(1, closingTasks.size());
80         assertEquals(closingWindow.mActivityRecord.getTask(), closingTasks.valueAt(0));
81     }
82 
83     @Test
testGetClosingApps_notClosing()84     public void testGetClosingApps_notClosing() {
85         final WindowState closingWindow = createWindow(null, FIRST_APPLICATION_WINDOW,
86                 "closingWindow");
87         final WindowState openingWindow = createAppWindow(closingWindow.getTask(),
88                 FIRST_APPLICATION_WINDOW, "openingWindow");
89         closingWindow.mActivityRecord.commitVisibility(
90                 false /* visible */, true /* performLayout */);
91         openingWindow.mActivityRecord.commitVisibility(
92                 true /* visible */, true /* performLayout */);
93         final ArraySet<ActivityRecord> closingApps = new ArraySet<>();
94         closingApps.add(closingWindow.mActivityRecord);
95         final ArraySet<Task> closingTasks = new ArraySet<>();
96         mWm.mTaskSnapshotController.getClosingTasks(closingApps, closingTasks);
97         assertEquals(0, closingTasks.size());
98     }
99 
100     @Test
testGetClosingApps_skipClosingAppsSnapshotTasks()101     public void testGetClosingApps_skipClosingAppsSnapshotTasks() {
102         final WindowState closingWindow = createWindow(null, FIRST_APPLICATION_WINDOW,
103                 "closingWindow");
104         closingWindow.mActivityRecord.commitVisibility(
105                 false /* visible */, true /* performLayout */);
106         final ArraySet<ActivityRecord> closingApps = new ArraySet<>();
107         closingApps.add(closingWindow.mActivityRecord);
108         final ArraySet<Task> closingTasks = new ArraySet<>();
109         mWm.mTaskSnapshotController.addSkipClosingAppSnapshotTasks(
110                 Sets.newArraySet(closingWindow.mActivityRecord.getTask()));
111         mWm.mTaskSnapshotController.getClosingTasks(closingApps, closingTasks);
112         assertEquals(0, closingTasks.size());
113     }
114 
115     @Test
testGetSnapshotMode()116     public void testGetSnapshotMode() {
117         final WindowState disabledWindow = createWindow(null,
118                 FIRST_APPLICATION_WINDOW, mDisplayContent, "disabledWindow");
119         disabledWindow.mActivityRecord.setRecentsScreenshotEnabled(false);
120         assertEquals(SNAPSHOT_MODE_APP_THEME,
121                 mWm.mTaskSnapshotController.getSnapshotMode(disabledWindow.getTask()));
122 
123         final WindowState normalWindow = createWindow(null,
124                 FIRST_APPLICATION_WINDOW, mDisplayContent, "normalWindow");
125         assertEquals(SNAPSHOT_MODE_REAL,
126                 mWm.mTaskSnapshotController.getSnapshotMode(normalWindow.getTask()));
127 
128         final WindowState secureWindow = createWindow(null,
129                 FIRST_APPLICATION_WINDOW, mDisplayContent, "secureWindow");
130         secureWindow.mAttrs.flags |= FLAG_SECURE;
131         assertEquals(SNAPSHOT_MODE_APP_THEME,
132                 mWm.mTaskSnapshotController.getSnapshotMode(secureWindow.getTask()));
133     }
134 
135     @Test
testSnapshotBuilder()136     public void testSnapshotBuilder() {
137         final HardwareBuffer buffer = Mockito.mock(HardwareBuffer.class);
138         final ColorSpace sRGB = ColorSpace.get(ColorSpace.Named.SRGB);
139         final long id = 1234L;
140         final ComponentName activityComponent = new ComponentName("package", ".Class");
141         final int windowingMode = WindowConfiguration.WINDOWING_MODE_FULLSCREEN;
142         final int appearance = APPEARANCE_LIGHT_STATUS_BARS;
143         final int pixelFormat = PixelFormat.RGBA_8888;
144         final int orientation = Configuration.ORIENTATION_PORTRAIT;
145         final float scaleFraction = 0.25f;
146         final Rect contentInsets = new Rect(1, 2, 3, 4);
147         final Rect letterboxInsets = new Rect(5, 6, 7, 8);
148         final Point taskSize = new Point(9, 10);
149 
150         try {
151             TaskSnapshot.Builder builder =
152                     new TaskSnapshot.Builder();
153             builder.setId(id);
154             builder.setTopActivityComponent(activityComponent);
155             builder.setAppearance(appearance);
156             builder.setWindowingMode(windowingMode);
157             builder.setColorSpace(sRGB);
158             builder.setOrientation(orientation);
159             builder.setContentInsets(contentInsets);
160             builder.setLetterboxInsets(letterboxInsets);
161             builder.setIsTranslucent(true);
162             builder.setSnapshot(buffer);
163             builder.setIsRealSnapshot(true);
164             builder.setPixelFormat(pixelFormat);
165             builder.setTaskSize(taskSize);
166 
167             // Not part of TaskSnapshot itself, used in screenshot process
168             assertEquals(pixelFormat, builder.getPixelFormat());
169 
170             TaskSnapshot snapshot = builder.build();
171             assertEquals(id, snapshot.getId());
172             assertEquals(activityComponent, snapshot.getTopActivityComponent());
173             assertEquals(appearance, snapshot.getAppearance());
174             assertEquals(windowingMode, snapshot.getWindowingMode());
175             assertEquals(sRGB, snapshot.getColorSpace());
176             // Snapshots created with the Builder class are always high-res. The only way to get a
177             // low-res snapshot is to load it from the disk in TaskSnapshotLoader.
178             assertFalse(snapshot.isLowResolution());
179             assertEquals(orientation, snapshot.getOrientation());
180             assertEquals(contentInsets, snapshot.getContentInsets());
181             assertEquals(letterboxInsets, snapshot.getLetterboxInsets());
182             assertTrue(snapshot.isTranslucent());
183             assertSame(buffer, snapshot.getHardwareBuffer());
184             assertTrue(snapshot.isRealSnapshot());
185             assertEquals(taskSize, snapshot.getTaskSize());
186         } finally {
187             if (buffer != null) {
188                 buffer.close();
189             }
190         }
191     }
192 
193     @UseTestDisplay(addWindows = {W_ACTIVITY, W_INPUT_METHOD})
194     @Test
testCreateTaskSnapshotWithExcludingIme()195     public void testCreateTaskSnapshotWithExcludingIme() {
196         Task task = mAppWindow.mActivityRecord.getTask();
197         spyOn(task);
198         spyOn(mDisplayContent);
199         when(task.getDisplayContent().shouldImeAttachedToApp()).thenReturn(false);
200         // Intentionally set the SurfaceControl of input method window as null.
201         mDisplayContent.mInputMethodWindow.setSurfaceControl(null);
202         // Verify no NPE happens when calling createTaskSnapshot.
203         try {
204             final TaskSnapshot.Builder builder = new TaskSnapshot.Builder();
205             mWm.mTaskSnapshotController.createTaskSnapshot(mAppWindow.mActivityRecord.getTask(),
206                     1f /* scaleFraction */, PixelFormat.UNKNOWN, null /* outTaskSize */, builder);
207         } catch (NullPointerException e) {
208             fail("There should be no exception when calling createTaskSnapshot");
209         }
210     }
211 
212     @UseTestDisplay(addWindows = {W_ACTIVITY, W_INPUT_METHOD})
213     @Test
testCreateTaskSnapshotWithIncludingIme()214     public void testCreateTaskSnapshotWithIncludingIme() {
215         Task task = mAppWindow.mActivityRecord.getTask();
216         spyOn(task);
217         spyOn(mDisplayContent);
218         spyOn(mDisplayContent.mInputMethodWindow);
219         when(task.getDisplayContent().shouldImeAttachedToApp()).thenReturn(true);
220         // Intentionally set the IME window is in visible state.
221         doReturn(true).when(mDisplayContent.mInputMethodWindow).isVisible();
222         // Verify no NPE happens when calling createTaskSnapshot.
223         try {
224             final TaskSnapshot.Builder builder = new TaskSnapshot.Builder();
225             spyOn(builder);
226             mWm.mTaskSnapshotController.createTaskSnapshot(
227                     mAppWindow.mActivityRecord.getTask(), 1f /* scaleFraction */,
228                     PixelFormat.UNKNOWN, null /* outTaskSize */, builder);
229             // Verify the builder should includes IME surface.
230             verify(builder).setHasImeSurface(eq(true));
231             builder.setColorSpace(ColorSpace.get(ColorSpace.Named.SRGB));
232             builder.setTaskSize(new Point(100, 100));
233             final TaskSnapshot snapshot = builder.build();
234             assertTrue(snapshot.hasImeSurface());
235         } catch (NullPointerException e) {
236             fail("There should be no exception when calling createTaskSnapshot");
237         }
238     }
239 
240     @UseTestDisplay(addWindows = W_ACTIVITY)
241     @Test
testPrepareTaskSnapshot()242     public void testPrepareTaskSnapshot() {
243         mAppWindow.mWinAnimator.mLastAlpha = 1f;
244         spyOn(mAppWindow.mWinAnimator);
245         doReturn(true).when(mAppWindow.mWinAnimator).getShown();
246         doReturn(true).when(mAppWindow.mActivityRecord).isSurfaceShowing();
247 
248         final TaskSnapshot.Builder builder =
249                 new TaskSnapshot.Builder();
250         boolean success = mWm.mTaskSnapshotController.prepareTaskSnapshot(
251                 mAppWindow.mActivityRecord.getTask(), PixelFormat.UNKNOWN, builder);
252 
253         assertTrue(success);
254         // The pixel format should be selected automatically.
255         assertNotEquals(PixelFormat.UNKNOWN, builder.getPixelFormat());
256 
257         // Snapshot should not be taken while the rotation of activity and task are different.
258         doReturn(true).when(mAppWindow.mActivityRecord).hasFixedRotationTransform();
259         success = mWm.mTaskSnapshotController.prepareTaskSnapshot(
260                 mAppWindow.mActivityRecord.getTask(), PixelFormat.UNKNOWN, builder);
261 
262         assertFalse(success);
263     }
264 }
265