| /* |
| * Copyright (C) 2019 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.server.wm; |
| |
| import static android.view.Display.INVALID_DISPLAY; |
| |
| import static com.android.server.wm.ActivityDisplay.POSITION_TOP; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertTrue; |
| import static org.mockito.Mockito.mock; |
| |
| import android.content.pm.ApplicationInfo; |
| import android.platform.test.annotations.Presubmit; |
| |
| import org.junit.Test; |
| |
| /** |
| * Tests for the {@link WindowProcessController} class. |
| * |
| * Build/Install/Run: |
| * atest WmTests:WindowProcessControllerTests |
| */ |
| @Presubmit |
| public class WindowProcessControllerTests extends ActivityTestsBase { |
| |
| @Test |
| public void testDisplayConfigurationListener() { |
| final WindowProcessController wpc = new WindowProcessController( |
| mService, mock(ApplicationInfo.class), null, 0, -1, null, null); |
| //By default, the process should not listen to any display. |
| assertEquals(INVALID_DISPLAY, wpc.getDisplayId()); |
| |
| // Register to display 1 as a listener. |
| TestActivityDisplay testActivityDisplay1 = createTestActivityDisplayInContainer(); |
| wpc.registerDisplayConfigurationListenerLocked(testActivityDisplay1); |
| assertTrue(testActivityDisplay1.containsListener(wpc)); |
| assertEquals(testActivityDisplay1.mDisplayId, wpc.getDisplayId()); |
| |
| // Move to display 2. |
| TestActivityDisplay testActivityDisplay2 = createTestActivityDisplayInContainer(); |
| wpc.registerDisplayConfigurationListenerLocked(testActivityDisplay2); |
| assertFalse(testActivityDisplay1.containsListener(wpc)); |
| assertTrue(testActivityDisplay2.containsListener(wpc)); |
| assertEquals(testActivityDisplay2.mDisplayId, wpc.getDisplayId()); |
| |
| // Null ActivityDisplay will not change anything. |
| wpc.registerDisplayConfigurationListenerLocked(null); |
| assertTrue(testActivityDisplay2.containsListener(wpc)); |
| assertEquals(testActivityDisplay2.mDisplayId, wpc.getDisplayId()); |
| |
| // Unregister listener will remove the wpc from registered displays. |
| wpc.unregisterDisplayConfigurationListenerLocked(); |
| assertFalse(testActivityDisplay1.containsListener(wpc)); |
| assertFalse(testActivityDisplay2.containsListener(wpc)); |
| assertEquals(INVALID_DISPLAY, wpc.getDisplayId()); |
| |
| // Unregistration still work even if the display was removed. |
| wpc.registerDisplayConfigurationListenerLocked(testActivityDisplay1); |
| assertEquals(testActivityDisplay1.mDisplayId, wpc.getDisplayId()); |
| mRootActivityContainer.removeChild(testActivityDisplay1); |
| wpc.unregisterDisplayConfigurationListenerLocked(); |
| assertEquals(INVALID_DISPLAY, wpc.getDisplayId()); |
| } |
| |
| private TestActivityDisplay createTestActivityDisplayInContainer() { |
| final TestActivityDisplay testActivityDisplay = createNewActivityDisplay(); |
| mRootActivityContainer.addChild(testActivityDisplay, POSITION_TOP); |
| return testActivityDisplay; |
| } |
| } |