feat(maps): add key-free native Android maps and shared map controls

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packages/android/templates/CraftNativeMapLibre.kt.templatemodified+32-5

Changes to packages/android/templates/CraftNativeMapLibre.kt.template

		⋯9 linesShow the 9 lines above this hunk@@ -10,6 +10,9 @@ internal class CraftNativeMapView(context: Context) : FrameLayout(context), OnMa
10	10	private var styleVersion = 0
11	11	private var readyStyle: Style? = null
12	12	private var initialCameraKey: String? = null
	13	+ private var reportedRegion: LatLngBounds? = null
	14	+ private var reportedCamera: CameraPosition? = null
	15	+ private var reportedViewport: Pair<Int, Int>? = null
13	16	private var userChangingCamera = false
14	17	private var geometryPoints = emptyList<LatLng>()
15	18	private val markerHandlers = mutableMapOf<String, String>()
		⋯57 linesShow the 57 lines above this hunk@@ -73,10 +76,16 @@ internal class CraftNativeMapView(context: Context) : FrameLayout(context), OnMa
73	76	val bounds = nativeMap.projection.visibleRegion.latLngBounds
74	77	val camera = nativeMap.cameraPosition
75	78	val center = camera.target
76		- if (center != null) onRegionChangeComplete?.invoke(JSONObject()
77		- .put("center", JSONObject().put("latitude", center.latitude).put("longitude", center.longitude))
78		- .put("span", JSONObject().put("latitudeDelta", bounds.latitudeNorth - bounds.latitudeSouth).put("longitudeDelta", bounds.longitudeEast - bounds.longitudeWest))
79		- .put("heading", camera.bearing).put("pitch", camera.tilt))
	79	+ if (center != null) {
	80	+ val event = JSONObject()
	81	+ .put("center", JSONObject().put("latitude", center.latitude).put("longitude", center.longitude))
	82	+ .put("span", JSONObject().put("latitudeDelta", bounds.latitudeNorth - bounds.latitudeSouth).put("longitudeDelta", bounds.longitudeEast - bounds.longitudeWest))
	83	+ .put("heading", camera.bearing).put("pitch", camera.tilt)
	84	+ reportedRegion = region(event)
	85	+ reportedCamera = camera
	86	+ reportedViewport = width to height
	87	+ onRegionChangeComplete?.invoke(event)
	88	+ }
80	89	}
81	90	}
82	91	applyPending()
		⋯40 linesShow the 40 lines above this hunk@@ -123,7 +132,10 @@ internal class CraftNativeMapView(context: Context) : FrameLayout(context), OnMa
123	132	val explicit = region(pendingProps.optJSONObject("region"))
124	133	val initial = region(pendingProps.optJSONObject("initialRegion"))
125	134	if (explicit != null) {
126		- moveCamera(explicit, 0)
	135	+ // A measured region is a bounding envelope, especially with
	136	+ // padding or rotation. Refitting its unchanged echo would zoom
	137	+ // out after every gesture. New requests still move the camera.
	138	+ if (!isCurrentReportedRegion(explicit)) moveCamera(explicit, 0)
127	139	initialCameraKey = null
128	140	} else if (initial != null) {
129	141	val key = "region:${pendingProps.optJSONObject("initialRegion")}"
		⋯168 linesShow the 168 lines above this hunk@@ -298,6 +310,20 @@ internal class CraftNativeMapView(context: Context) : FrameLayout(context), OnMa
298	310	}
299	311	}
300	312
	313	+ private fun isCurrentReportedRegion(requested: LatLngBounds): Boolean {
	314	+ val reported = reportedRegion ?: return false
	315	+ val measured = reportedCamera ?: return false
	316	+ val current = map?.cameraPosition ?: return false
	317	+ val measuredTarget = measured.target ?: return false
	318	+ val currentTarget = current.target ?: return false
	319	+ fun same(a: Double, b: Double): Boolean = abs(a - b) < 0.000000001
	320	+ return reportedViewport == (width to height) &&
	321	+ same(requested.latitudeNorth, reported.latitudeNorth) && same(requested.latitudeSouth, reported.latitudeSouth) &&
	322	+ same(requested.longitudeEast, reported.longitudeEast) && same(requested.longitudeWest, reported.longitudeWest) &&
	323	+ abs(current.zoom - measured.zoom) < 0.000001 &&
	324	+ same(currentTarget.latitude, measuredTarget.latitude) && same(currentTarget.longitude, measuredTarget.longitude)
	325	+ }
	326	+
301	327	private fun applyOrientation() {
302	328	val nativeMap = map ?: return
303	329	val camera = nativeMap.cameraPosition
		⋯47 linesShow the 47 lines above this hunk@@ -351,6 +377,7 @@ internal class CraftNativeMapView(context: Context) : FrameLayout(context), OnMa
351	377	if (lifecycleStarted) { mapView.onPause(); mapView.onStop(); lifecycleStarted = false }
352	378	mapView.onDestroy()
353	379	readyStyle = null; map = null
	380	+ reportedRegion = null; reportedCamera = null; reportedViewport = null
354	381	}
355	382
356	383	private fun coordinates(value: JSONArray?): List<LatLng> {