Add notification section logic

package com.android.systemui.keyguard.ui.composable.section

import androidx.compose.foundation.background

import androidx.compose.foundation.layout.Box

import androidx.compose.foundation.layout.fillMaxSize

import androidx.compose.material3.Text

import android.view.View

import androidx.compose.runtime.Composable

import androidx.compose.ui.Alignment

import androidx.compose.runtime.LaunchedEffect

import androidx.compose.runtime.mutableStateOf

import androidx.compose.runtime.remember

import androidx.compose.ui.Modifier

import androidx.compose.ui.graphics.Color

import androidx.compose.ui.layout.onPlaced

import androidx.compose.ui.layout.positionInWindow

import androidx.compose.ui.viewinterop.AndroidView

import com.android.compose.animation.scene.ElementKey

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

import com.android.systemui.dagger.qualifiers.Main

import com.android.systemui.keyguard.ui.viewmodel.KeyguardRootViewModel

import com.android.systemui.res.R

import com.android.systemui.scene.shared.flag.SceneContainerFlags

import com.android.systemui.statusbar.notification.stack.NotificationStackScrollLayoutController

import com.android.systemui.statusbar.notification.stack.NotificationStackSizeCalculator

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

import com.android.systemui.statusbar.notification.stack.ui.viewbinder.SharedNotificationContainerBinder

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

import javax.inject.Inject

import kotlinx.coroutines.CoroutineDispatcher

class NotificationSection @Inject constructor() {

class NotificationSection

@Inject

constructor(

    private val rootViewModel: KeyguardRootViewModel,

    private val sharedNotificationContainer: SharedNotificationContainer,

    private val sharedNotificationContainerViewModel: SharedNotificationContainerViewModel,

    private val controller: NotificationStackScrollLayoutController,

    private val notificationStackSizeCalculator: NotificationStackSizeCalculator,

    @Main private val dispatcher: CoroutineDispatcher,

    private val sceneContainerFlags: SceneContainerFlags,

) {

    @Composable

    fun SceneScope.Notifications(modifier: Modifier = Modifier) {

        MovableElement(

            key = NotificationsElementKey,

            modifier = modifier,

        ) {

            Box(

                modifier = Modifier.fillMaxSize().background(Color.Yellow),

            ) {

                Text(

                    text = "TODO(b/316211368): Notifications",

                    color = Color.White,

                    modifier = Modifier.align(Alignment.Center),

            val (bounds, onBoundsChanged) = remember { mutableStateOf<Pair<Float, Float>?>(null) }

            LaunchedEffect(bounds) {

                bounds?.let {

                    rootViewModel.onNotificationContainerBoundsChanged(bounds.first, bounds.second)

                }

            }

            AndroidView(

                factory = { context ->

                    View(context, null).apply {

                        id = R.id.nssl_placeholder

                        SharedNotificationContainerBinder.bind(

                            view = sharedNotificationContainer,

                            viewModel = sharedNotificationContainerViewModel,

                            sceneContainerFlags = sceneContainerFlags,

                            controller = controller,

                            notificationStackSizeCalculator = notificationStackSizeCalculator,

                            mainImmediateDispatcher = dispatcher,

                        )

                    }

                },

                modifier =

                    modifier.onPlaced {

                        val positionInRoot = it.positionInWindow()

                        val size = it.size

                        onBoundsChanged(positionInRoot.y to positionInRoot.y + size.height)

                    },

            )

        }

    }

}