Convert ShadeTouchHandlerTest to Kotlin

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

package com.android.systemui.ambient.touch;

import static com.google.common.truth.Truth.assertThat;

import static org.mockito.ArgumentMatchers.any;

import static org.mockito.Mockito.never;

import static org.mockito.Mockito.times;

import static org.mockito.Mockito.verify;

import static org.mockito.Mockito.when;

import android.app.DreamManager;

import android.platform.test.annotations.DisableFlags;

import android.platform.test.annotations.EnableFlags;

import android.view.GestureDetector;

import android.view.MotionEvent;

import androidx.test.ext.junit.runners.AndroidJUnit4;

import androidx.test.filters.SmallTest;

import com.android.systemui.Flags;

import com.android.systemui.SysuiTestCase;

import com.android.systemui.shade.ShadeViewController;

import com.android.systemui.shared.system.InputChannelCompat;

import com.android.systemui.statusbar.phone.CentralSurfaces;

import org.junit.Before;

import org.junit.Test;

import org.junit.runner.RunWith;

import org.mockito.ArgumentCaptor;

import org.mockito.Captor;

import org.mockito.Mock;

import org.mockito.Mockito;

import org.mockito.MockitoAnnotations;

import java.util.Optional;

package com.android.systemui.ambient.touch

import android.app.DreamManager

import android.platform.test.annotations.DisableFlags

import android.platform.test.annotations.EnableFlags

import android.view.GestureDetector

import android.view.MotionEvent

import androidx.test.ext.junit.runners.AndroidJUnit4

import androidx.test.filters.SmallTest

import com.android.systemui.Flags

import com.android.systemui.SysuiTestCase

import com.android.systemui.ambient.touch.TouchHandler.TouchSession

import com.android.systemui.shade.ShadeViewController

import com.android.systemui.shared.system.InputChannelCompat

import com.android.systemui.statusbar.phone.CentralSurfaces

import com.google.common.truth.Truth

import java.util.Optional

import org.junit.Before

import org.junit.Test

import org.junit.runner.RunWith

import org.mockito.kotlin.any

import org.mockito.kotlin.argumentCaptor

import org.mockito.kotlin.clearInvocations

import org.mockito.kotlin.mock

import org.mockito.kotlin.never

import org.mockito.kotlin.times

import org.mockito.kotlin.verify

import org.mockito.kotlin.whenever

@SmallTest

@RunWith(AndroidJUnit4.class)

public class ShadeTouchHandlerTest extends SysuiTestCase {

    @Mock

    CentralSurfaces mCentralSurfaces;

    @Mock

    ShadeViewController mShadeViewController;

    @Mock

    DreamManager mDreamManager;

@RunWith(AndroidJUnit4::class)

class ShadeTouchHandlerTest : SysuiTestCase() {

    private var mCentralSurfaces = mock<CentralSurfaces>()

    private var mShadeViewController = mock<ShadeViewController>()

    private var mDreamManager = mock<DreamManager>()

    private var mTouchSession = mock<TouchSession>()

    @Mock

    TouchHandler.TouchSession mTouchSession;

    private lateinit var mTouchHandler: ShadeTouchHandler

    ShadeTouchHandler mTouchHandler;

    @Captor

    ArgumentCaptor<GestureDetector.OnGestureListener> mGestureListenerCaptor;

    @Captor

    ArgumentCaptor<InputChannelCompat.InputEventListener> mInputListenerCaptor;

    private static final int TOUCH_HEIGHT = 20;

    private var mGestureListenerCaptor = argumentCaptor<GestureDetector.OnGestureListener>()

    private var mInputListenerCaptor = argumentCaptor<InputChannelCompat.InputEventListener>()

    @Before

    public void setup() {

        MockitoAnnotations.initMocks(this);

        mTouchHandler = new ShadeTouchHandler(Optional.of(mCentralSurfaces), mShadeViewController,

                mDreamManager, TOUCH_HEIGHT);

    fun setup() {

        mTouchHandler =

            ShadeTouchHandler(

                Optional.of(mCentralSurfaces),

                mShadeViewController,

                mDreamManager,

                TOUCH_HEIGHT

            )

    }

    // Verifies that a swipe down in the gesture region is captured by the shade touch handler.

    @Test

    public void testSwipeDown_captured() {

        final boolean captured = swipe(Direction.DOWN);

        assertThat(captured).isTrue();

    fun testSwipeDown_captured() {

        val captured = swipe(Direction.DOWN)

        Truth.assertThat(captured).isTrue()

    }

    // Verifies that a swipe in the upward direction is not captured.

    @Test

    public void testSwipeUp_notCaptured() {

        final boolean captured = swipe(Direction.UP);

    fun testSwipeUp_notCaptured() {

        val captured = swipe(Direction.UP)

        // Motion events not captured as the swipe is going in the wrong direction.

        assertThat(captured).isFalse();

        Truth.assertThat(captured).isFalse()

    }

    // Verifies that a swipe down forwards captured touches to central surfaces for handling.

    @Test

    @EnableFlags(Flags.FLAG_COMMUNAL_HUB)

    public void testSwipeDown_communalEnabled_sentToCentralSurfaces() {

        swipe(Direction.DOWN);

    fun testSwipeDown_communalEnabled_sentToCentralSurfaces() {

        swipe(Direction.DOWN)

        // Both motion events are sent for central surfaces to process.

        verify(mCentralSurfaces, times(2)).handleExternalShadeWindowTouch(any());

        verify(mCentralSurfaces, times(2)).handleExternalShadeWindowTouch(any())

    }

    // Verifies that a swipe down forwards captured touches to the shade view for handling.

    @Test

    @DisableFlags(Flags.FLAG_COMMUNAL_HUB)

    public void testSwipeDown_communalDisabled_sentToShadeView() {

        swipe(Direction.DOWN);

    fun testSwipeDown_communalDisabled_sentToShadeView() {

        swipe(Direction.DOWN)

        // Both motion events are sent for the shade view to process.

        verify(mShadeViewController, times(2)).handleExternalTouch(any());

        verify(mShadeViewController, times(2)).handleExternalTouch(any())

    }

    // Verifies that a swipe down while dreaming forwards captured touches to the shade view for

    // handling.

    @Test

    public void testSwipeDown_dreaming_sentToShadeView() {

        when(mDreamManager.isDreaming()).thenReturn(true);

        swipe(Direction.DOWN);

    fun testSwipeDown_dreaming_sentToShadeView() {

        whenever(mDreamManager.isDreaming).thenReturn(true)

        swipe(Direction.DOWN)

        // Both motion events are sent for the shade view to process.

        verify(mShadeViewController, times(2)).handleExternalTouch(any());

        verify(mShadeViewController, times(2)).handleExternalTouch(any())

    }

    // Verifies that a swipe up is not forwarded to central surfaces.

    @Test

    @EnableFlags(Flags.FLAG_COMMUNAL_HUB)

    public void testSwipeUp_communalEnabled_touchesNotSent() {

        swipe(Direction.UP);

    fun testSwipeUp_communalEnabled_touchesNotSent() {

        swipe(Direction.UP)

        // Motion events are not sent for central surfaces to process as the swipe is going in the

        // wrong direction.

        verify(mCentralSurfaces, never()).handleExternalShadeWindowTouch(any());

        verify(mCentralSurfaces, never()).handleExternalShadeWindowTouch(any())

    }

    // Verifies that a swipe up is not forwarded to the shade view.

    @Test

    @DisableFlags(Flags.FLAG_COMMUNAL_HUB)

    public void testSwipeUp_communalDisabled_touchesNotSent() {

        swipe(Direction.UP);

    fun testSwipeUp_communalDisabled_touchesNotSent() {

        swipe(Direction.UP)

        // Motion events are not sent for the shade view to process as the swipe is going in the

        // wrong direction.

        verify(mShadeViewController, never()).handleExternalTouch(any());

        verify(mShadeViewController, never()).handleExternalTouch(any())

    }

    /**

     * Simulates a swipe in the given direction and returns true if the touch was intercepted by the

     * touch handler's gesture listener.

     * <p>

     *

     * Swipe down starts from a Y coordinate of 0 and goes downward. Swipe up starts from the edge

     * of the gesture region, {@link #TOUCH_HEIGHT}, and goes upward to 0.

     * of the gesture region, [.TOUCH_HEIGHT], and goes upward to 0.

     */

    private boolean swipe(Direction direction) {

        Mockito.clearInvocations(mTouchSession);

        mTouchHandler.onSessionStart(mTouchSession);

        verify(mTouchSession).registerGestureListener(mGestureListenerCaptor.capture());

        verify(mTouchSession).registerInputListener(mInputListenerCaptor.capture());

        final float startY = direction == Direction.UP ? TOUCH_HEIGHT : 0;

        final float endY = direction == Direction.UP ? 0 : TOUCH_HEIGHT;

    private fun swipe(direction: Direction): Boolean {

        clearInvocations(mTouchSession)

        mTouchHandler.onSessionStart(mTouchSession)

        verify(mTouchSession).registerGestureListener(mGestureListenerCaptor.capture())

        verify(mTouchSession).registerInputListener(mInputListenerCaptor.capture())

        val startY = (if (direction == Direction.UP) TOUCH_HEIGHT else 0).toFloat()

        val endY = (if (direction == Direction.UP) 0 else TOUCH_HEIGHT).toFloat()

        // Send touches to the input and gesture listener.

        final MotionEvent event1 = MotionEvent.obtain(0, 0, MotionEvent.ACTION_MOVE, 0, startY, 0);

        final MotionEvent event2 = MotionEvent.obtain(0, 0, MotionEvent.ACTION_MOVE, 0, endY, 0);

        mInputListenerCaptor.getValue().onInputEvent(event1);

        mInputListenerCaptor.getValue().onInputEvent(event2);

        final boolean captured = mGestureListenerCaptor.getValue().onScroll(event1, event2, 0,

                startY - endY);

        return captured;

        val event1 = MotionEvent.obtain(0, 0, MotionEvent.ACTION_MOVE, 0f, startY, 0)

        val event2 = MotionEvent.obtain(0, 0, MotionEvent.ACTION_MOVE, 0f, endY, 0)

        mInputListenerCaptor.lastValue.onInputEvent(event1)

        mInputListenerCaptor.lastValue.onInputEvent(event2)

        return mGestureListenerCaptor.lastValue.onScroll(event1, event2, 0f, startY - endY)

    }

    private enum class Direction {

        DOWN,

        UP

    }

    private enum Direction {

        DOWN, UP,

    companion object {

        private const val TOUCH_HEIGHT = 20

    }

}