[core] Expose Source::getZoomRange

8 files changed, 14 insertions, 9 deletions

diff --git a/src/mbgl/annotation/annotation_source.cpp b/src/mbgl/annotation/annotation_source.cpp
index a9db9ad8ae..7434029c4b 100644
--- a/src/mbgl/annotation/annotation_source.cpp
+++ b/src/mbgl/annotation/annotation_source.cpp
@@ -14,7 +14,7 @@ AnnotationSource::Impl::Impl(Source& base_)
     : Source::Impl(SourceType::Annotations, AnnotationManager::SourceID, base_) {
 }
 
-Range<uint8_t> AnnotationSource::Impl::getZoomRange() {
+Range<uint8_t> AnnotationSource::Impl::getZoomRange() const {
     return { 0, 22 };
 }
 
diff --git a/src/mbgl/annotation/annotation_source.hpp b/src/mbgl/annotation/annotation_source.hpp
index d995222f33..62d1aa3488 100644
--- a/src/mbgl/annotation/annotation_source.hpp
+++ b/src/mbgl/annotation/annotation_source.hpp
@@ -20,7 +20,7 @@ public:
 
 private:
     uint16_t getTileSize() const final { return util::tileSize; }
-    Range<uint8_t> getZoomRange() final;
+    Range<uint8_t> getZoomRange() const final;
 
     std::unique_ptr<Tile> createTile(const OverscaledTileID&, const style::UpdateParameters&) final;
 };
diff --git a/src/mbgl/style/source.cpp b/src/mbgl/style/source.cpp
index 25c06024d6..9ef245ac34 100644
--- a/src/mbgl/style/source.cpp
+++ b/src/mbgl/style/source.cpp
@@ -17,7 +17,11 @@ const std::string& Source::getID() const {
 optional<std::string> Source::getAttribution() const {
     return baseImpl->getAttribution();
 }
-    
+
+Range<uint8_t> Source::getZoomRange() const {
+    return baseImpl->getZoomRange();
+}
+
 std::vector<Feature> Source::querySourceFeatures(const SourceQueryOptions& options) {
     return baseImpl->querySourceFeatures(options);
 }
diff --git a/src/mbgl/style/source_impl.hpp b/src/mbgl/style/source_impl.hpp
index b9707edaa7..fbec2b0eba 100644
--- a/src/mbgl/style/source_impl.hpp
+++ b/src/mbgl/style/source_impl.hpp
@@ -83,6 +83,7 @@ public:
     const std::string id;
 
     virtual optional<std::string> getAttribution() const { return {}; };
+    virtual Range<uint8_t> getZoomRange() const = 0;
 
     bool loaded = false;
 
@@ -109,7 +110,6 @@ private:
     void onTileError(Tile&, std::exception_ptr) override;
 
     virtual uint16_t getTileSize() const = 0;
-    virtual Range<uint8_t> getZoomRange() = 0;
     virtual std::unique_ptr<Tile> createTile(const OverscaledTileID&, const UpdateParameters&) = 0;
 
     std::map<UnwrappedTileID, RenderTile> renderTiles;
diff --git a/src/mbgl/style/sources/geojson_source_impl.cpp b/src/mbgl/style/sources/geojson_source_impl.cpp
index c7c3753076..5ceb4f71e0 100644
--- a/src/mbgl/style/sources/geojson_source_impl.cpp
+++ b/src/mbgl/style/sources/geojson_source_impl.cpp
@@ -153,7 +153,7 @@ void GeoJSONSource::Impl::loadDescription(FileSource& fileSource) {
     });
 }
 
-Range<uint8_t> GeoJSONSource::Impl::getZoomRange() {
+Range<uint8_t> GeoJSONSource::Impl::getZoomRange() const {
     assert(loaded);
     return { 0, options.maxzoom };
 }
diff --git a/src/mbgl/style/sources/geojson_source_impl.hpp b/src/mbgl/style/sources/geojson_source_impl.hpp
index eec7cf0605..05302d6bc0 100644
--- a/src/mbgl/style/sources/geojson_source_impl.hpp
+++ b/src/mbgl/style/sources/geojson_source_impl.hpp
@@ -28,10 +28,11 @@ public:
         return util::tileSize;
     }
 
+    Range<uint8_t> getZoomRange() const final;
+
 private:
     void _setGeoJSON(const GeoJSON&);
 
-    Range<uint8_t> getZoomRange() final;
     std::unique_ptr<Tile> createTile(const OverscaledTileID&, const UpdateParameters&) final;
 
     GeoJSONOptions options;
diff --git a/src/mbgl/style/tile_source_impl.cpp b/src/mbgl/style/tile_source_impl.cpp
index bda602bb5f..44a25a8bfb 100644
--- a/src/mbgl/style/tile_source_impl.cpp
+++ b/src/mbgl/style/tile_source_impl.cpp
@@ -113,7 +113,7 @@ void TileSourceImpl::loadDescription(FileSource& fileSource) {
     });
 }
 
-Range<uint8_t> TileSourceImpl::getZoomRange() {
+Range<uint8_t> TileSourceImpl::getZoomRange() const {
     assert(loaded);
     return tileset.zoomRange;
 }
diff --git a/src/mbgl/style/tile_source_impl.hpp b/src/mbgl/style/tile_source_impl.hpp
index 2b17872d2b..1fda3b3769 100644
--- a/src/mbgl/style/tile_source_impl.hpp
+++ b/src/mbgl/style/tile_source_impl.hpp
@@ -36,9 +36,9 @@ public:
 
     optional<std::string> getAttribution() const override;
 
-protected:
-    Range<uint8_t> getZoomRange() final;
+    Range<uint8_t> getZoomRange() const final;
 
+protected:
     const variant<std::string, Tileset> urlOrTileset;
     const uint16_t tileSize;