WindowLayersControllerTests.java revision 44fbdf5b1e13398e35d4bafb7236d194a51ee7af 
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
17package com.android.server.wm;
18
19import org.junit.Before;
20import org.junit.Test;
21import org.junit.runner.RunWith;
22
23import android.platform.test.annotations.Presubmit;
24import android.support.test.filters.SmallTest;
25import android.support.test.runner.AndroidJUnit4;
26
27import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION_ATTACHED_DIALOG;
28import static android.view.WindowManager.LayoutParams.TYPE_BASE_APPLICATION;
29import static android.view.WindowManager.LayoutParams.TYPE_DOCK_DIVIDER;
30import static android.view.WindowManager.LayoutParams.TYPE_INPUT_METHOD;
31import static android.view.WindowManager.LayoutParams.TYPE_INPUT_METHOD_DIALOG;
32import static android.view.WindowManager.LayoutParams.TYPE_NAVIGATION_BAR;
33import static android.view.WindowManager.LayoutParams.TYPE_STATUS_BAR;
34import static android.view.WindowManager.LayoutParams.TYPE_SYSTEM_OVERLAY;
35import static android.view.WindowManager.LayoutParams.TYPE_WALLPAPER;
36
37/**
38 * Tests for the {@link WindowLayersController} class.
39 *
40 * Build/Install/Run:
41 *  bit FrameworksServicesTests:com.android.server.wm.WindowLayersControllerTests
42 */
43@SmallTest
44@Presubmit
45@RunWith(AndroidJUnit4.class)
46public class WindowLayersControllerTests extends WindowTestsBase {
47
48    private static boolean sOneTimeSetupDone = false;
49    private static WindowLayersController sLayersController;
50    private static DisplayContent sDisplayContent;
51    private static WindowState sImeWindow;
52    private static WindowState sImeDialogWindow;
53    private static WindowState sStatusBarWindow;
54    private static WindowState sDockedDividerWindow;
55    private static WindowState sNavBarWindow;
56    private static WindowState sAppWindow;
57    private static WindowState sChildAppWindow;
58
59    @Before
60    public void setUp() throws Exception {
61        super.setUp();
62
63        if (sOneTimeSetupDone) {
64            return;
65        }
66        sOneTimeSetupDone = true;
67        sLayersController = new WindowLayersController(sWm);
68        sDisplayContent =
69                new DisplayContent(mDisplay, sWm, sLayersController, new WallpaperController(sWm));
70        final WindowState wallpaperWindow =
71                createWindow(null, TYPE_WALLPAPER, sDisplayContent, "wallpaperWindow");
72        sImeWindow = createWindow(null, TYPE_INPUT_METHOD, sDisplayContent, "sImeWindow");
73        sImeDialogWindow =
74                createWindow(null, TYPE_INPUT_METHOD_DIALOG, sDisplayContent, "sImeDialogWindow");
75        sStatusBarWindow = createWindow(null, TYPE_STATUS_BAR, sDisplayContent, "sStatusBarWindow");
76        sNavBarWindow =
77                createWindow(null, TYPE_NAVIGATION_BAR, sStatusBarWindow.mToken, "sNavBarWindow");
78        sDockedDividerWindow =
79                createWindow(null, TYPE_DOCK_DIVIDER, sDisplayContent, "sDockedDividerWindow");
80        sAppWindow = createWindow(null, TYPE_BASE_APPLICATION, sDisplayContent, "sAppWindow");
81        sChildAppWindow = createWindow(sAppWindow,
82                TYPE_APPLICATION_ATTACHED_DIALOG, sAppWindow.mToken, "sChildAppWindow");
83    }
84
85    @Test
86    public void testAssignWindowLayers_ForImeWithNoTarget() throws Exception {
87        sWm.mInputMethodTarget = null;
88        sLayersController.assignWindowLayers(sDisplayContent);
89
90        // The Ime has an higher base layer than app windows and lower base layer than system
91        // windows, so it should be above app windows and below system windows if there isn't an IME
92        // target.
93        assertWindowLayerGreaterThan(sImeWindow, sChildAppWindow);
94        assertWindowLayerGreaterThan(sImeWindow, sAppWindow);
95        assertWindowLayerGreaterThan(sImeWindow, sDockedDividerWindow);
96        assertWindowLayerGreaterThan(sNavBarWindow, sImeWindow);
97        assertWindowLayerGreaterThan(sStatusBarWindow, sImeWindow);
98
99        // And, IME dialogs should always have an higher layer than the IME.
100        assertWindowLayerGreaterThan(sImeDialogWindow, sImeWindow);
101    }
102
103    @Test
104    public void testAssignWindowLayers_ForImeWithAppTarget() throws Exception {
105        final WindowState imeAppTarget =
106                createWindow(null, TYPE_BASE_APPLICATION, sDisplayContent, "imeAppTarget");
107        sWm.mInputMethodTarget = imeAppTarget;
108        sLayersController.assignWindowLayers(sDisplayContent);
109
110        // Ime should be above all app windows and below system windows if it is targeting an app
111        // window.
112        assertWindowLayerGreaterThan(sImeWindow, imeAppTarget);
113        assertWindowLayerGreaterThan(sImeWindow, sChildAppWindow);
114        assertWindowLayerGreaterThan(sImeWindow, sAppWindow);
115        assertWindowLayerGreaterThan(sImeWindow, sDockedDividerWindow);
116        assertWindowLayerGreaterThan(sNavBarWindow, sImeWindow);
117        assertWindowLayerGreaterThan(sStatusBarWindow, sImeWindow);
118
119        // And, IME dialogs should always have an higher layer than the IME.
120        assertWindowLayerGreaterThan(sImeDialogWindow, sImeWindow);
121    }
122
123    @Test
124    public void testAssignWindowLayers_ForImeNonAppImeTarget() throws Exception {
125        final WindowState imeSystemOverlayTarget =
126                createWindow(null, TYPE_SYSTEM_OVERLAY, sDisplayContent, "imeSystemOverlayTarget");
127
128        sWm.mInputMethodTarget = imeSystemOverlayTarget;
129        sLayersController.assignWindowLayers(sDisplayContent);
130
131        // The IME target base layer is higher than all window except for the nav bar window, so the
132        // IME should be above all windows except for the nav bar.
133        assertWindowLayerGreaterThan(sImeWindow, imeSystemOverlayTarget);
134        assertWindowLayerGreaterThan(sImeWindow, sChildAppWindow);
135        assertWindowLayerGreaterThan(sImeWindow, sAppWindow);
136        assertWindowLayerGreaterThan(sImeWindow, sDockedDividerWindow);
137        assertWindowLayerGreaterThan(sImeWindow, sStatusBarWindow);
138        assertWindowLayerGreaterThan(sNavBarWindow, sImeWindow);
139
140        // And, IME dialogs should always have an higher layer than the IME.
141        assertWindowLayerGreaterThan(sImeDialogWindow, sImeWindow);
142    }
143
144    private void assertWindowLayerGreaterThan(WindowState first, WindowState second)
145            throws Exception {
146        assertGreaterThan(first.mWinAnimator.mAnimLayer, second.mWinAnimator.mAnimLayer);
147    }
148
149}
150