From 28f4916cf095415eb9c4abeedc0c2bc847fd1b55 Mon Sep 17 00:00:00 2001
From: Edoardo Balducci <edoardobalducci@MacBookAir.station>
Date: Tue, 6 May 2025 16:52:47 +0200
Subject: [PATCH] feat(): added headers support in TileLayer

Added support for sending headers when fetching image tiles
---
 src/flet_map/tile_layer.py                   | 12 ++++++++++++
 src/flutter/flet_map/lib/src/map.dart        |  3 +++
 src/flutter/flet_map/lib/src/tile_layer.dart | 19 ++++++++++++++++++-
 3 files changed, 33 insertions(+), 1 deletion(-)

diff --git a/src/flet_map/tile_layer.py b/src/flet_map/tile_layer.py
index fde6456..6819355 100644
--- a/src/flet_map/tile_layer.py
+++ b/src/flet_map/tile_layer.py
@@ -44,6 +44,7 @@ def __init__(
         max_zoom: OptionalNumber = None,
         min_zoom: OptionalNumber = None,
         error_image_src: Optional[str] = None,
+        headers: Optional[Dict[str, str]] = None,
         evict_error_tile_strategy: Optional[MapTileLayerEvictErrorTileStrategy] = None,
         on_image_error: OptionalControlEventCallable = None,
         #
@@ -77,6 +78,7 @@ def __init__(
         self.error_image_src = error_image_src
         self.enable_retina_mode = enable_retina_mode
         self.on_image_error = on_image_error
+        self.headers = headers
         self.tile_bounds = tile_bounds
         self.evict_error_tile_strategy = evict_error_tile_strategy
         self.subdomains = subdomains
@@ -94,6 +96,8 @@ def before_update(self):
             self._set_attr_json("subdomains", self.__subdomains)
         if isinstance(self.__additional_options, dict):
             self._set_attr_json("additionalOptions", self.__additional_options)
+        if isinstance(self.__headers, dict):
+            self._set_attr_json("headers", self.__headers)
 
     # url_template
     @property
@@ -131,6 +135,14 @@ def additional_options(self) -> Optional[Dict[str, str]]:
     def additional_options(self, value: Optional[Dict[str, str]]):
         self.__additional_options = value
 
+    @property
+    def headers(self) -> Optional[Dict[str, str]]:
+        return self.__headers
+
+    @headers.setter
+    def headers(self, value: Optional[Dict[str, str]]):
+        self.__headers = value
+
     # tile_bounds
     @property
     def tile_bounds(self) -> Optional[MapLatitudeLongitudeBounds]:
diff --git a/src/flutter/flet_map/lib/src/map.dart b/src/flutter/flet_map/lib/src/map.dart
index d4f5911..1a960b0 100644
--- a/src/flutter/flet_map/lib/src/map.dart
+++ b/src/flutter/flet_map/lib/src/map.dart
@@ -94,6 +94,7 @@ class _MapControlState extends State<MapControl>
                 curve: parseCurve(args["curve"], defaultAnimationCurve),
                 duration: durationFromString(
                     args["duration"], defaultAnimationDuration));
+
           case "zoom_to":
             var zoom = parseDouble(args["zoom"]);
             if (zoom != null) {
@@ -102,6 +103,7 @@ class _MapControlState extends State<MapControl>
                   duration: durationFromString(
                       args["duration"], defaultAnimationDuration));
             }
+
           case "move_to":
             var zoom = parseDouble(args["zoom"]);
             var lat = parseDouble(args["lat"]);
@@ -117,6 +119,7 @@ class _MapControlState extends State<MapControl>
               dest: (lat != null && long != null) ? LatLng(lat, long) : null,
               offset: (ox != null && oy != null) ? Offset(ox, oy) : Offset.zero,
             );
+
           case "center_on":
             var zoom = parseDouble(args["zoom"]);
             var lat = parseDouble(args["lat"]);
diff --git a/src/flutter/flet_map/lib/src/tile_layer.dart b/src/flutter/flet_map/lib/src/tile_layer.dart
index 918596c..7407724 100644
--- a/src/flutter/flet_map/lib/src/tile_layer.dart
+++ b/src/flutter/flet_map/lib/src/tile_layer.dart
@@ -40,15 +40,32 @@ class TileLayerControl extends StatelessWidget with FletStoreMixin {
           errorImage = NetworkImage(assetSrc.path);
         }
       }
+      
       var subdomains = control.attrString("subdomains");
       var additionalOptions = control.attrString("additionalOptions");
+      var headersStr = control.attrString("headers");
+
+      Map<String, String> headers = {};
+      if (headersStr != null) {
+        try {
+          final decodedHeaders = jsonDecode(headersStr) as Map;
+          headers = decodedHeaders.map((k, v) => MapEntry(k.toString(), v.toString()));
+          debugPrint("TileLayerControl headers: $headers");
+        } catch (e) {
+          debugPrint("Error parsing headers: $e");
+        }
+      }
+    
+
       Widget tile = TileLayer(
           urlTemplate: control.attrString("urlTemplate", "")!,
           fallbackUrl: control.attrString("fallbackUrl", "")!,
           subdomains: subdomains != null
               ? jsonDecode(subdomains).cast<String>()
               : ['a', 'b', 'c'],
-          tileProvider: CancellableNetworkTileProvider(),
+          tileProvider:  CancellableNetworkTileProvider(
+            headers: headers,
+          ),
           tileDisplay: const TileDisplay.fadeIn(),
           tileSize: control.attrDouble("tileSize", 256)!,
           minNativeZoom: control.attrInt("minNativeZoom", 0)!,