[glfw] Support mbgl::MapObserver

platform/default/mbgl/gl/headless_backend.cpp

@@ -50,10 +50,4 @@ void HeadlessBackend::invalidate() {
     assert(false);
 }
 
-void HeadlessBackend::notifyMapChange(MapChange change) {
-    if (mapChangeCallback) {
-        mapChangeCallback(change);
-    }
-}
-
 } // namespace mbgl

platform/default/mbgl/gl/headless_backend.hpp

@@ -18,9 +18,6 @@ public:
     ~HeadlessBackend() override;
 
     void invalidate() override;
-    void notifyMapChange(MapChange) override;
-
-    void setMapChangeCallback(std::function<void(MapChange)>&& cb) { mapChangeCallback = std::move(cb); }
 
     struct Impl {
         virtual ~Impl() {}
@@ -45,8 +42,6 @@ private:
 
     bool extensionsLoaded = false;
     bool active = false;
-
-    std::function<void(MapChange)> mapChangeCallback;
 };
 
 } // namespace mbgl

platform/glfw/glfw_view.cpp

@@ -538,16 +538,6 @@ void GLFWView::setWindowTitle(const std::string& title) {
     glfwSetWindowTitle(window, (std::string { "Mapbox GL: " } + title).c_str());
 }
 
-void GLFWView::setMapChangeCallback(std::function<void(mbgl::MapChange)> callback) {
-    this->mapChangeCallback = callback;
-}
-
-void GLFWView::notifyMapChange(mbgl::MapChange change) {
-    if (mapChangeCallback) {
-        mapChangeCallback(change);
-    }
-}
-
 namespace mbgl {
 namespace platform {
 

platform/glfw/glfw_view.hpp

@@ -60,9 +60,6 @@ private:
     // Internal
     void report(float duration);
 
-    void setMapChangeCallback(std::function<void(mbgl::MapChange)> callback);
-    void notifyMapChange(mbgl::MapChange change) override;
-
     mbgl::Color makeRandomColor() const;
     mbgl::Point<double> makeRandomPoint() const;
     static std::shared_ptr<const mbgl::SpriteImage>
@@ -81,8 +78,6 @@ private:
     mbgl::AnnotationIDs annotationIDs;
     std::vector<std::string> spriteIDs;
 
-    std::function<void(mbgl::MapChange)> mapChangeCallback;
-
 private:
     mbgl::Map* map = nullptr;