Merge "Do not start another transition from handleRequest" into udc-dev

import android.os.UserHandle;

import android.provider.Settings;

import android.util.ArraySet;

import android.util.Pair;

import android.view.SurfaceControl;

import android.view.WindowManager;

import android.window.DisplayAreaInfo;

        }

        ProtoLog.d(WM_SHELL_DESKTOP_MODE, "handle shell transition request: %s", request);

        Pair<Transitions.TransitionHandler, WindowContainerTransaction> subHandler =

                mTransitions.dispatchRequest(transition, request, this);

        WindowContainerTransaction wct = subHandler != null

                ? subHandler.second : new WindowContainerTransaction();

        WindowContainerTransaction wct = new WindowContainerTransaction();

        bringDesktopAppsToFront(wct);

        wct.reorder(request.getTriggerTask().token, true /* onTop */);

import static org.mockito.Mockito.mock;

import static org.mockito.Mockito.never;

import static org.mockito.Mockito.verify;

import static org.mockito.Mockito.verifyZeroInteractions;

import static org.mockito.Mockito.when;

import android.app.ActivityManager.RunningTaskInfo;

        assertThat(wct).isNotNull();

    }

    @Test

    public void testHandleTransitionRequest_taskOpen_doesNotStartAnotherTransition() {

        RunningTaskInfo trigger = new RunningTaskInfo();

        trigger.token = new MockToken().token();

        trigger.configuration.windowConfiguration.setWindowingMode(WINDOWING_MODE_FREEFORM);

        mController.handleRequest(

                mock(IBinder.class),

                new TransitionRequestInfo(TRANSIT_OPEN, trigger, null /* remote */));

        verifyZeroInteractions(mTransitions);

    }

    private DesktopModeController createController() {

        return new DesktopModeController(mContext, mShellInit, mShellController,

                mShellTaskOrganizer, mRootTaskDisplayAreaOrganizer, mTransitions,