Node / meshtastic / Meshtastic-Android / files / androidApp / src / google / kotlin / org / meshtastic / app / map / component / NodeClusterMarkers.kt

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T8b949e/*

* Copyright (c) 2026 Meshtastic LLC

*

* This program is free software: you can redistribute it and/or modify

* it under the terms of the GNU General Public License as published by

* the Free Software Foundation, either version 3 of the License, or

* (at your option) any later version.

*

* This program is distributed in the hope that it will be useful,

* but WITHOUT ANY WARRANTY; without even the implied warranty of

* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

* GNU General Public License for more details.

*

* You should have received a copy of the GNU General Public License

* along with this program. If not, see <https://www.gnu.org/licenses/>.

*/

Tff7b72package T7ee787org.meshtastic.app.map.component

Tff7b72import T7ee787androidx.compose.runtime.Composable

Tff7b72import T7ee787androidx.compose.runtime.DisposableEffect

Tff7b72import T7ee787androidx.compose.runtime.getValue

Tff7b72import T7ee787androidx.compose.ui.graphics.Color

Tff7b72import T7ee787androidx.compose.ui.platform.LocalView

Tff7b72import T7ee787androidx.lifecycle.Lifecycle

Tff7b72import T7ee787androidx.lifecycle.compose.LocalLifecycleOwner

Tff7b72import T7ee787androidx.lifecycle.compose.currentStateAsState

Tff7b72import T7ee787androidx.lifecycle.setViewTreeLifecycleOwner

Tff7b72import T7ee787androidx.savedstate.compose.LocalSavedStateRegistryOwner

Tff7b72import T7ee787androidx.savedstate.setViewTreeSavedStateRegistryOwner

Tff7b72import T7ee787com.google.maps.android.clustering.Cluster

Tff7b72import T7ee787com.google.maps.android.clustering.view.DefaultClusterRenderer

Tff7b72import T7ee787com.google.maps.android.compose.Circle

Tff7b72import T7ee787com.google.maps.android.compose.MapsComposeExperimentalApi

Tff7b72import T7ee787com.google.maps.android.compose.clustering.Clustering

Tff7b72import T7ee787com.google.maps.android.compose.clustering.ClusteringMarkerProperties

Tff7b72import T7ee787org.meshtastic.app.map.model.NodeClusterItem

Tff7b72import T7ee787org.meshtastic.feature.map.BaseMapViewModel

Tf0883e@OptInTb4b4b4(Te6edf3MapsComposeExperimentalApiTff7b72::Te6edf3classTb4b4b4)

Tf0883e@SuppressTb4b4b4(Ta5d6ff"Ta5d6ffNestedBlockDepthTa5d6ff"Tb4b4b4)

Tf0883e@Composable

Tff7b72fun Td2a8ffNodeClusterMarkersTb4b4b4(

Te6edf3nodeClusterItemsTb4b4b4: Te6edf3ListTff7b72<Te6edf3NodeClusterItemTff7b72>Tb4b4b4,

Te6edf3mapFilterStateTb4b4b4: Te6edf3BaseMapViewModelTb4b4b4.Te6edf3MapFilterStateTb4b4b4,

Te6edf3navigateToNodeDetailsTb4b4b4: Tb4b4b4(Tffa657IntTb4b4b4) Tff7b72-Tff7b72> Tffa657UnitTb4b4b4,

Te6edf3onClusterClickTb4b4b4: Tb4b4b4(Te6edf3ClusterTff7b72<Te6edf3NodeClusterItemTff7b72>Tb4b4b4) Tff7b72-Tff7b72> Tffa657BooleanTb4b4b4,

Tb4b4b4) Tb4b4b4{

Tff7b72val Te6edf3view Tff7b72= Te6edf3LocalViewTb4b4b4.Te6edf3current

Tff7b72val Te6edf3lifecycleOwner Tff7b72= Te6edf3LocalLifecycleOwnerTb4b4b4.Te6edf3current

Tff7b72val Te6edf3savedStateRegistryOwner Tff7b72= Te6edf3LocalSavedStateRegistryOwnerTb4b4b4.Te6edf3current

Tff7b72val Te6edf3lifecycleState Tff7b72by Te6edf3lifecycleOwnerTb4b4b4.Te6edf3lifecycleTb4b4b4.Te6edf3currentStateAsStateTb4b4b4(Tb4b4b4)

T8b949e// Workaround for https://github.com/googlemaps/android-maps-compose/issues/858

T8b949e// and https://github.com/googlemaps/android-maps-compose/issues/875

T8b949e// The maps clustering library creates an internal ComposeView to snapshot markers.

T8b949e// If that view is not attached to the hierarchy (which it often isn't during rendering),

T8b949e// it fails to find the Lifecycle and SavedState owners. We propagate them to the root view

T8b949e// so the internal snapshot view can find them when walking up the tree.

T8b949e// DisposableEffect runs at composition time (not post-composition like SideEffect),

T8b949e// ensuring owners are set before the Clustering composable triggers marker rendering.

Te6edf3DisposableEffectTb4b4b4(Te6edf3lifecycleOwnerTb4b4b4, Te6edf3savedStateRegistryOwnerTb4b4b4) Tb4b4b4{

Tff7b72val Te6edf3root Tff7b72= Te6edf3viewTb4b4b4.Te6edf3rootView

Te6edf3rootTb4b4b4.Te6edf3setViewTreeLifecycleOwnerTb4b4b4(Te6edf3lifecycleOwnerTb4b4b4)

Te6edf3rootTb4b4b4.Te6edf3setViewTreeSavedStateRegistryOwnerTb4b4b4(Te6edf3savedStateRegistryOwnerTb4b4b4)

T8b949e// Also set on the view itself in case the internal renderer walks from a child

Tff7b72if Tb4b4b4(Te6edf3view Tff7b72!Tff7b72=Tff7b72= Te6edf3rootTb4b4b4) Tb4b4b4{

Te6edf3viewTb4b4b4.Te6edf3setViewTreeLifecycleOwnerTb4b4b4(Te6edf3lifecycleOwnerTb4b4b4)

Te6edf3viewTb4b4b4.Te6edf3setViewTreeSavedStateRegistryOwnerTb4b4b4(Te6edf3savedStateRegistryOwnerTb4b4b4)

Tb4b4b4}

Te6edf3onDispose Tb4b4b4{Tb4b4b4}

Tb4b4b4}

T8b949e// Guard against the cluster renderer's async Handler trying to render markers

T8b949e// after the lifecycle has stopped — the internal ComposeView requires an active lifecycle.

Tff7b72if Tb4b4b4(Tff7b72!Te6edf3lifecycleStateTb4b4b4.Te6edf3isAtLeastTb4b4b4(Te6edf3LifecycleTb4b4b4.Te6edf3StateTb4b4b4.Te6edf3STARTEDTb4b4b4)Tb4b4b4) Tff7b72return

Te6edf3ClusteringTb4b4b4(

Te6edf3items Tff7b72= Te6edf3nodeClusterItemsTb4b4b4,

Te6edf3onClusterClick Tff7b72= Te6edf3onClusterClickTb4b4b4,

Te6edf3onClusterItemInfoWindowClick Tff7b72= Tb4b4b4{ Te6edf3item Tff7b72-Tff7b72>

Te6edf3navigateToNodeDetailsTb4b4b4(Te6edf3itemTb4b4b4.Te6edf3nodeTb4b4b4.Te6edf3numTb4b4b4)

Tff7b72false

Tb4b4b4}Tb4b4b4,

Te6edf3clusterItemContent Tff7b72= Tb4b4b4{ Te6edf3clusterItem Tff7b72-Tff7b72> Te6edf3PulsingNodeChipTb4b4b4(Te6edf3node Tff7b72= Te6edf3clusterItemTb4b4b4.Te6edf3nodeTb4b4b4) Tb4b4b4}Tb4b4b4,

Te6edf3onClusterManager Tff7b72= Tb4b4b4{ Te6edf3clusterManager Tff7b72-Tff7b72>

Tb4b4b4(Te6edf3clusterManagerTb4b4b4.Te6edf3renderer Tff7b72as Te6edf3DefaultClusterRendererTb4b4b4)Tb4b4b4.Te6edf3minClusterSize Tff7b72= T79c0ff1T79c0ff0

Tb4b4b4}Tb4b4b4,

Te6edf3clusterItemDecoration Tff7b72= Tb4b4b4{ Te6edf3clusterItem Tff7b72-Tff7b72>

Tff7b72if Tb4b4b4(Te6edf3mapFilterStateTb4b4b4.Te6edf3showPrecisionCircleTb4b4b4) Tb4b4b4{

Te6edf3clusterItemTb4b4b4.Te6edf3getPrecisionMetersTb4b4b4(Tb4b4b4)Tff7b72?.Te6edf3let Tb4b4b4{ Te6edf3precisionMeters Tff7b72-Tff7b72>

Tff7b72if Tb4b4b4(Te6edf3precisionMeters Tff7b72> T79c0ff0Tb4b4b4) Tb4b4b4{

Te6edf3CircleTb4b4b4(

Te6edf3center Tff7b72= Te6edf3clusterItemTb4b4b4.Te6edf3positionTb4b4b4,

Te6edf3radius Tff7b72= Te6edf3precisionMetersTb4b4b4,

Te6edf3fillColor Tff7b72= Te6edf3ColorTb4b4b4(Te6edf3clusterItemTb4b4b4.Te6edf3nodeTb4b4b4.Te6edf3colorsTb4b4b4.Te6edf3secondTb4b4b4)Tb4b4b4.Te6edf3copyTb4b4b4(Te6edf3alpha Tff7b72= T79c0ff0.2fTb4b4b4)Tb4b4b4,

Te6edf3strokeColor Tff7b72= Te6edf3ColorTb4b4b4(Te6edf3clusterItemTb4b4b4.Te6edf3nodeTb4b4b4.Te6edf3colorsTb4b4b4.Te6edf3secondTb4b4b4)Tb4b4b4,

Te6edf3strokeWidth Tff7b72= T79c0ff2fTb4b4b4,

Te6edf3zIndex Tff7b72= T79c0ff0fTb4b4b4,

Tb4b4b4)

Tb4b4b4}

Tb4b4b4}

Tb4b4b4}

T8b949e// Use the item's own priority-based zIndex (5f for My Node/Favorites, 4f for others)

Te6edf3ClusteringMarkerPropertiesTb4b4b4(Te6edf3zIndex Tff7b72= Te6edf3clusterItemTb4b4b4.Te6edf3getZIndexTb4b4b4(Tb4b4b4)Tb4b4b4)

Tb4b4b4}Tb4b4b4,

Tb4b4b4)

Tb4b4b4}