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chore(rnmbxcodegen): add codegen to generate rn boilerplate
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73 changes: 73 additions & 0 deletions
73
android/src/main/java/com/rnmapbox/rnmbx/components/location/LocationProviderManager.kt
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,73 @@ | ||
| package com.rnmapbox.rnmbx.components.location | ||
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| import com.rnmapbox.rnmbx.v11compat.Cancelable | ||
| import com.mapbox.maps.MapView | ||
| import com.mapbox.maps.plugin.locationcomponent.DefaultLocationProvider | ||
| import com.mapbox.maps.plugin.locationcomponent.LocationProvider | ||
| import com.mapbox.maps.plugin.locationcomponent.location | ||
| import com.rnmapbox.rnmbx.components.mapview.RNMBXMapView | ||
| import java.lang.ref.WeakReference | ||
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| typealias CallbackType = (old: LocationProvider, new: LocationProvider) -> Unit; | ||
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| class CallbackList<T> { | ||
| class Entry<T>(val callback: T, val list: WeakReference<CallbackList<T>>): Cancelable { | ||
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| override fun cancel() { | ||
| list.get()?.remove(this) | ||
| } | ||
| } | ||
| private val callbacks = mutableListOf<Entry<T>>() | ||
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| fun add(callback: T): Cancelable { | ||
| val result = Entry<T>(callback, WeakReference(this)); | ||
| callbacks.add(result) | ||
| return result; | ||
| } | ||
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| internal fun remove(entry: Entry<T>) { | ||
| callbacks.remove(entry) | ||
| } | ||
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| fun forEach(callback: (it: T) -> Unit) { | ||
| callbacks.map { it.callback }.forEach(callback) | ||
| } | ||
| } | ||
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| class LocationProviderManager(val mapView: RNMBXMapView) { | ||
| var callbacks = CallbackList<CallbackType>() | ||
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| fun getLocationProvider(mapView: MapView): LocationProvider { | ||
| val location = mapView.location | ||
| val result = location.getLocationProvider() | ||
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| if (result != null) { | ||
| return result | ||
| } else { | ||
| val result = DefaultLocationProvider(mapView.context) | ||
| location.setLocationProvider(result) | ||
| return result | ||
| } | ||
| } | ||
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| fun update(provider: LocationProvider) { | ||
| mapView.withMapView { mapView: MapView -> | ||
| val location = mapView.location | ||
| val oldProvider = location.getLocationProvider() | ||
| location.setLocationProvider(provider) | ||
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| if (oldProvider != null) { | ||
| apply(oldProvider, provider) | ||
| } | ||
| } | ||
| } | ||
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| fun onChange(callback: CallbackType): Cancelable = | ||
| callbacks.add(callback) | ||
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| fun apply(old: LocationProvider, new: LocationProvider) { | ||
| callbacks.forEach { it(old, new) } | ||
| } | ||
| } |
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