Tests the notification close button visibility

/*

 * Copyright (C) 2025 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.systemui.statusbar.notification

import android.app.Notification

import android.platform.test.annotations.DisableFlags

import android.platform.test.annotations.EnableFlags

import android.testing.TestableLooper

import android.view.MotionEvent

import android.view.View

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.statusbar.notification.row.NotificationTestHelper

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

import org.junit.Test

import org.junit.runner.RunWith

import org.mockito.kotlin.any

import org.mockito.kotlin.doReturn

import org.mockito.kotlin.stub

import com.android.systemui.res.R

import com.android.systemui.statusbar.notification.row.ExpandableNotificationRow

import org.junit.Before

private fun getCloseButton(row: ExpandableNotificationRow): View {

    val contractedView = row.showingLayout?.contractedChild!!

    return contractedView.findViewById(com.android.internal.R.id.close_button)

}

@SmallTest

@RunWith(AndroidJUnit4::class)

class NotificationCloseButtonTest : SysuiTestCase() {

    private lateinit var helper: NotificationTestHelper

    @Before

    fun setUp() {

        helper = NotificationTestHelper(

            mContext,

            mDependency,

            TestableLooper.get(this)

        )

    }

    @Test

    @DisableFlags(Flags.FLAG_NOTIFICATION_ADD_X_ON_HOVER_TO_DISMISS)

    fun verifyWhenFeatureDisabled() {

        // Enable the notification row to dismiss.

        helper.dismissibilityProvider.stub {

            on { isDismissable(any()) } doReturn true

        }

        // By default, the close button should be gone.

        val row = createNotificationRow()

        val closeButton = getCloseButton(row)

        assertThat(closeButton).isNotNull()

        assertThat(closeButton.visibility).isEqualTo(View.GONE)

        val hoverEnterEvent = MotionEvent.obtain(

            0/*downTime=*/,

            0/*eventTime=*/,

            MotionEvent.ACTION_HOVER_ENTER,

            0f/*x=*/,

            0f/*y=*/,

            0/*metaState*/

        )

        // The close button should not show if the feature is disabled.

        row.onInterceptHoverEvent(hoverEnterEvent)

        assertThat(closeButton.visibility).isEqualTo(View.GONE)

    }

    @Test

    @EnableFlags(Flags.FLAG_NOTIFICATION_ADD_X_ON_HOVER_TO_DISMISS)

    fun verifyOnDismissableNotification() {

        // Enable the notification row to dismiss.

        helper.dismissibilityProvider.stub {

            on { isDismissable(any()) } doReturn true

        }

        // By default, the close button should be gone.

        val row = createNotificationRow()

        val closeButton = getCloseButton(row)

        assertThat(closeButton).isNotNull()

        assertThat(closeButton.visibility).isEqualTo(View.GONE)

        val hoverEnterEvent = MotionEvent.obtain(

            0/*downTime=*/,

            0/*eventTime=*/,

            MotionEvent.ACTION_HOVER_ENTER,

            0f/*x=*/,

            0f/*y=*/,

            0/*metaState*/

        )

        // When the row is hovered, the close button should show.

        row.onInterceptHoverEvent(hoverEnterEvent)

        assertThat(closeButton.visibility).isEqualTo(View.VISIBLE)

        val hoverExitEvent = MotionEvent.obtain(

            0/*downTime=*/,

            0/*eventTime=*/,

            MotionEvent.ACTION_HOVER_EXIT,

            0f/*x=*/,

            0f/*y=*/,

            0/*metaState*/

        )

        // When hover exits the row, the close button should be gone again.

        row.onInterceptHoverEvent(hoverExitEvent)

        assertThat(closeButton.visibility).isEqualTo(View.GONE)

    }

    @Test

    @EnableFlags(Flags.FLAG_NOTIFICATION_ADD_X_ON_HOVER_TO_DISMISS)

    fun verifyOnUndismissableNotification() {

        // By default, the close button should be gone.

        val row = createNotificationRow()

        val closeButton = getCloseButton(row)

        assertThat(closeButton).isNotNull()

        assertThat(closeButton.visibility).isEqualTo(View.GONE)

        val hoverEnterEvent = MotionEvent.obtain(

            0/*downTime=*/,

            0/*eventTime=*/,

            MotionEvent.ACTION_HOVER_ENTER,

            0f/*x=*/,

            0f/*y=*/,

            0/*metaState*/

        )

        // Because the host notification cannot be dismissed, the close button should not show.

        row.onInterceptHoverEvent(hoverEnterEvent)

        assertThat(closeButton.visibility).isEqualTo(View.GONE)

    }

    private fun createNotificationRow(): ExpandableNotificationRow {

        val notification = Notification.Builder(context, "channel")

            .setContentTitle("title")

            .setContentText("text")

            .setSmallIcon(R.drawable.ic_person)

            .build()

       return helper.createRow(notification)

    }

}

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