From 22b4ef1f4b0ea053068d45bd2b4cffd7f935a250 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C5=81ukasz=20Paczos?= <lukasz.paczos@mapbox.com>
Date: Thu, 12 Apr 2018 10:42:14 +0200
Subject: Update layer immediately when changing its max/min zoom level
 (#11399)

* [android][core] update layer immediately when changing it's max/min zoom

* [core] node bindings for layer zoom range
---
 platform/node/src/node_map.cpp | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

(limited to 'platform/node/src/node_map.cpp')

diff --git a/platform/node/src/node_map.cpp b/platform/node/src/node_map.cpp
index 0fe69e8ac9..9b76f0f542 100644
--- a/platform/node/src/node_map.cpp
+++ b/platform/node/src/node_map.cpp
@@ -74,6 +74,7 @@ void NodeMap::Init(v8::Local<v8::Object> target) {
     Nan::SetPrototypeMethod(tpl, "removeLayer", RemoveLayer);
     Nan::SetPrototypeMethod(tpl, "addImage", AddImage);
     Nan::SetPrototypeMethod(tpl, "removeImage", RemoveImage);
+    Nan::SetPrototypeMethod(tpl, "setLayerZoomRange", SetLayerZoomRange);
     Nan::SetPrototypeMethod(tpl, "setLayoutProperty", SetLayoutProperty);
     Nan::SetPrototypeMethod(tpl, "setPaintProperty", SetPaintProperty);
     Nan::SetPrototypeMethod(tpl, "setFilter", SetFilter);
@@ -740,6 +741,33 @@ void NodeMap::RemoveImage(const Nan::FunctionCallbackInfo<v8::Value>& info) {
 
     nodeMap->map->getStyle().removeImage(*Nan::Utf8String(info[0]));
 }
+    
+void NodeMap::SetLayerZoomRange(const Nan::FunctionCallbackInfo<v8::Value>& info) {
+    using namespace mbgl::style;
+
+    auto nodeMap = Nan::ObjectWrap::Unwrap<NodeMap>(info.Holder());
+    if (!nodeMap->map) return Nan::ThrowError(releasedMessage());
+    
+    if (info.Length() != 3) {
+        return Nan::ThrowTypeError("Three arguments required");
+    }
+    
+    if (!info[0]->IsString()) {
+        return Nan::ThrowTypeError("First argument must be a string");
+    }
+    
+    if (!info[1]->IsNumber() || !info[2]->IsNumber()) {
+        return Nan::ThrowTypeError("Second and third arguments must be numbers");
+    }
+    
+    mbgl::style::Layer* layer = nodeMap->map->getStyle().getLayer(*Nan::Utf8String(info[0]));
+    if (!layer) {
+        return Nan::ThrowTypeError("layer not found");
+    }
+
+    layer->setMinZoom(info[1]->NumberValue());
+    layer->setMaxZoom(info[2]->NumberValue());
+}
 
 void NodeMap::SetLayoutProperty(const Nan::FunctionCallbackInfo<v8::Value>& info) {
     using namespace mbgl::style;
-- 
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