Merge "[Flexiglass] Add HUN placeholder to the Gone Scene" into main

package com.android.systemui.scene.ui.composable

import androidx.compose.foundation.layout.Spacer

import androidx.compose.foundation.layout.absoluteOffset

import androidx.compose.foundation.layout.fillMaxSize

import androidx.compose.runtime.Composable

import androidx.compose.ui.Modifier

import androidx.compose.ui.platform.LocalContext

import androidx.compose.ui.platform.LocalDensity

import androidx.compose.ui.res.dimensionResource

import androidx.compose.ui.unit.IntOffset

import com.android.compose.animation.scene.SceneScope

import com.android.compose.animation.scene.UserAction

import com.android.compose.animation.scene.UserActionResult

import com.android.compose.animation.scene.animateSceneFloatAsState

import com.android.internal.policy.SystemBarUtils

import com.android.systemui.dagger.SysUISingleton

import com.android.systemui.notifications.ui.composable.HeadsUpNotificationSpace

import com.android.systemui.qs.ui.composable.QuickSettings

import com.android.systemui.res.R

import com.android.systemui.scene.shared.model.Scenes

import com.android.systemui.scene.ui.viewmodel.GoneSceneViewModel

import com.android.systemui.statusbar.notification.stack.ui.view.NotificationScrollView

import com.android.systemui.statusbar.notification.stack.ui.viewmodel.NotificationsPlaceholderViewModel

import dagger.Lazy

import javax.inject.Inject

import kotlinx.coroutines.flow.StateFlow

class GoneScene

@Inject

constructor(

    private val notificationStackScrolLView: Lazy<NotificationScrollView>,

    private val notificationsPlaceholderViewModel: NotificationsPlaceholderViewModel,

    private val viewModel: GoneSceneViewModel,

) : ComposableScene {

    override val key = Scenes.Gone

            key = QuickSettings.SharedValues.TilesSquishiness,

        )

        Spacer(modifier.fillMaxSize())

        HeadsUpNotificationStack(

            stackScrollView = notificationStackScrolLView.get(),

            viewModel = notificationsPlaceholderViewModel

        )

    }

}

@Composable

private fun SceneScope.HeadsUpNotificationStack(

    stackScrollView: NotificationScrollView,

    viewModel: NotificationsPlaceholderViewModel,

) {

    val context = LocalContext.current

    val density = LocalDensity.current

    val statusBarHeight = SystemBarUtils.getStatusBarHeight(context)

    val headsUpPadding =

        with(density) { dimensionResource(id = R.dimen.heads_up_status_bar_padding).roundToPx() }

    HeadsUpNotificationSpace(

        stackScrollView = stackScrollView,

        viewModel = viewModel,

        modifier =

            Modifier.absoluteOffset { IntOffset(x = 0, y = statusBarHeight + headsUpPadding) }

    )

}