Merge "Update icons when value changes" into main

import kotlinx.coroutines.flow.MutableStateFlow

import kotlinx.coroutines.flow.SharingStarted

import kotlinx.coroutines.flow.combine

import kotlinx.coroutines.flow.filter

import kotlinx.coroutines.flow.filterNotNull

import kotlinx.coroutines.flow.first

import kotlinx.coroutines.flow.flatMapLatest

    private val userVolumeUpdates = MutableStateFlow<VolumeUpdate?>(null)

    private val model: Flow<VolumeDialogStreamModel> =

        interactor.slider

            .filter {

                val currentVolumeUpdate = userVolumeUpdates.value ?: return@filter true

        combine(interactor.slider, userVolumeUpdates) { model, currentVolumeUpdate ->

                currentVolumeUpdate ?: return@combine model

                val lastVolumeUpdateTime = currentVolumeUpdate.timestampMillis

                getTimestampMillis() - lastVolumeUpdateTime > VOLUME_UPDATE_GRACE_PERIOD

                val shouldIgnoreUpdates =

                    getTimestampMillis() - lastVolumeUpdateTime < VOLUME_UPDATE_GRACE_PERIOD

                if (shouldIgnoreUpdates) {

                    model.copy(level = currentVolumeUpdate.newVolumeLevel)

                } else {

                    model

                }

            }

            .stateIn(coroutineScope, SharingStarted.Eagerly, null)

            .filterNotNull()