diff --git a/libs/WindowManager/Shell/src/com/android/wm/shell/desktopmode/DesktopModeController.java b/libs/WindowManager/Shell/src/com/android/wm/shell/desktopmode/DesktopModeController.java index f0255a335d5e4..abc4024bc2903 100644 --- a/libs/WindowManager/Shell/src/com/android/wm/shell/desktopmode/DesktopModeController.java +++ b/libs/WindowManager/Shell/src/com/android/wm/shell/desktopmode/DesktopModeController.java @@ -16,6 +16,7 @@ package com.android.wm.shell.desktopmode; +import static android.app.WindowConfiguration.ACTIVITY_TYPE_HOME; import static android.app.WindowConfiguration.ACTIVITY_TYPE_STANDARD; import static android.app.WindowConfiguration.WINDOWING_MODE_FREEFORM; import static android.app.WindowConfiguration.WINDOWING_MODE_FULLSCREEN; @@ -158,15 +159,13 @@ public class DesktopModeController implements RemoteCallable runningTasks, + WindowContainerTransaction wct) { + ProtoLog.v(WM_SHELL_DESKTOP_MODE, "moveHomeBehindVisibleTasks"); + RunningTaskInfo homeTask = null; + ArrayList visibleTasks = new ArrayList<>(); + for (RunningTaskInfo taskInfo : runningTasks) { + if (taskInfo.getActivityType() == ACTIVITY_TYPE_HOME) { + homeTask = taskInfo; + } else if (taskInfo.getActivityType() == ACTIVITY_TYPE_STANDARD + && taskInfo.isVisible()) { + visibleTasks.add(taskInfo); + } + } + if (homeTask == null) { + ProtoLog.w(WM_SHELL_DESKTOP_MODE, "moveHomeBehindVisibleTasks: home task not found"); + } else { + ProtoLog.v(WM_SHELL_DESKTOP_MODE, "moveHomeBehindVisibleTasks: visible tasks %d", + visibleTasks.size()); + wct.reorder(homeTask.getToken(), true /* onTop */); + for (RunningTaskInfo task : visibleTasks) { + wct.reorder(task.getToken(), true /* onTop */); + } + } + } + private void setDisplayAreaWindowingMode(int displayId, @WindowConfiguration.WindowingMode int windowingMode, WindowContainerTransaction wct) { DisplayAreaInfo displayAreaInfo = mRootTaskDisplayAreaOrganizer.getDisplayAreaInfo( diff --git a/libs/WindowManager/Shell/tests/unittest/src/com/android/wm/shell/desktopmode/DesktopModeControllerTest.java b/libs/WindowManager/Shell/tests/unittest/src/com/android/wm/shell/desktopmode/DesktopModeControllerTest.java index 528b26ec2362d..89bafcb6b2f45 100644 --- a/libs/WindowManager/Shell/tests/unittest/src/com/android/wm/shell/desktopmode/DesktopModeControllerTest.java +++ b/libs/WindowManager/Shell/tests/unittest/src/com/android/wm/shell/desktopmode/DesktopModeControllerTest.java @@ -205,6 +205,33 @@ public class DesktopModeControllerTest extends ShellTestCase { WINDOWING_MODE_UNDEFINED); } + @Test + public void testDesktopModeEnabled_homeTaskBehindVisibleTask() { + createMockDisplayArea(); + RunningTaskInfo fullscreenTask1 = createFullscreenTask(); + fullscreenTask1.isVisible = true; + RunningTaskInfo fullscreenTask2 = createFullscreenTask(); + fullscreenTask2.isVisible = false; + RunningTaskInfo homeTask = createHomeTask(); + when(mShellTaskOrganizer.getRunningTasks(anyInt())).thenReturn(new ArrayList<>( + Arrays.asList(fullscreenTask1, fullscreenTask2, homeTask))); + + mController.updateDesktopModeActive(true); + WindowContainerTransaction wct = getDesktopModeSwitchTransaction(); + + // Check that there are hierarchy changes for home task and visible task + assertThat(wct.getHierarchyOps()).hasSize(2); + // First show home task + WindowContainerTransaction.HierarchyOp op1 = wct.getHierarchyOps().get(0); + assertThat(op1.getType()).isEqualTo(HIERARCHY_OP_TYPE_REORDER); + assertThat(op1.getContainer()).isEqualTo(homeTask.token.asBinder()); + + // Then visible task on top of it + WindowContainerTransaction.HierarchyOp op2 = wct.getHierarchyOps().get(1); + assertThat(op2.getType()).isEqualTo(HIERARCHY_OP_TYPE_REORDER); + assertThat(op2.getContainer()).isEqualTo(fullscreenTask1.token.asBinder()); + } + @Test public void testShowDesktopApps() { // Set up two active tasks on desktop