DreamOverlayInteractor Introduction.

/*

 * 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.dreams.domain.interactor

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

import androidx.test.filters.SmallTest

import com.android.systemui.SysuiTestCase

import com.android.systemui.complication.Complication.COMPLICATION_TYPE_TIME

import com.android.systemui.dreams.dreamOverlayStateController

import com.android.systemui.flags.Flags

import com.android.systemui.flags.fake

import com.android.systemui.flags.featureFlagsClassic

import com.android.systemui.kosmos.Kosmos

import com.android.systemui.kosmos.collectLastValue

import com.android.systemui.kosmos.runTest

import com.android.systemui.kosmos.useUnconfinedTestDispatcher

import com.android.systemui.testKosmos

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

import org.junit.Before

import org.junit.Test

import org.junit.runner.RunWith

@SmallTest

@RunWith(AndroidJUnit4::class)

class DreamOverlayInteractorTest : SysuiTestCase() {

    private val kosmos = testKosmos().useUnconfinedTestDispatcher()

    private val Kosmos.underTest by Kosmos.Fixture { dreamOverlayInteractor }

    @Before

    fun setup() {

        kosmos.featureFlagsClassic.fake.set(Flags.ALWAYS_SHOW_HOME_CONTROLS_ON_DREAMS, false)

    }

    @Test

    fun testAvailableTypes() =

        kosmos.runTest {

            val lastValue by collectLastValue(underTest.availableComplicationTypes)

            dreamOverlayStateController.availableComplicationTypes = COMPLICATION_TYPE_TIME

            assertThat(lastValue).isEqualTo(COMPLICATION_TYPE_TIME)

        }

}

/*

 * 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.dreams.domain.interactor

import com.android.systemui.dagger.SysUISingleton

import com.android.systemui.dagger.qualifiers.Background

import com.android.systemui.dreams.DreamOverlayStateController

import javax.inject.Inject

import kotlinx.coroutines.CoroutineDispatcher

import kotlinx.coroutines.channels.awaitClose

import kotlinx.coroutines.flow.Flow

import kotlinx.coroutines.flow.callbackFlow

import kotlinx.coroutines.flow.flowOn

@SysUISingleton

class DreamOverlayInteractor

@Inject

constructor(

    dreamOverlayStateController: DreamOverlayStateController,

    @Background private val bgDispatcher: CoroutineDispatcher,

) {

    val availableComplicationTypes: Flow<Int> =

        callbackFlow {

                val callback =

                    object : DreamOverlayStateController.Callback {

                        override fun onAvailableComplicationTypesChanged() {

                            trySend(dreamOverlayStateController.availableComplicationTypes)

                        }

                    }

                dreamOverlayStateController.addCallback(callback)

                callback.onAvailableComplicationTypesChanged()

                awaitClose { dreamOverlayStateController.removeCallback(callback) }

            }

            .flowOn(bgDispatcher)

}

/*

 * 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.dreams.domain.interactor

import com.android.systemui.dreams.dreamOverlayStateController

import com.android.systemui.kosmos.Kosmos

import com.android.systemui.kosmos.Kosmos.Fixture

import com.android.systemui.kosmos.testDispatcher

val Kosmos.dreamOverlayInteractor by Fixture {

    DreamOverlayInteractor(

        bgDispatcher = testDispatcher,

        dreamOverlayStateController = dreamOverlayStateController,

    )

}