1 files changed, 43 insertions, 0 deletions
diff --git a/platform/macos/src/MGLMapView+Impl.h b/platform/macos/src/MGLMapView+Impl.h
new file mode 100644
index 0000000000..19583c17e5
--- /dev/null
+++ b/platform/macos/src/MGLMapView+Impl.h
@@ -0,0 +1,43 @@
+#import <mbgl/gfx/renderer_backend.hpp>
+#import <mbgl/map/map_observer.hpp>
+#import <mbgl/util/image.hpp>
+
+@class MGLMapView;
+
+typedef struct _CGLContextObject* CGLContextObj;
+
+class MGLMapViewImpl : public mbgl::MapObserver {
+public:
+    static std::unique_ptr<MGLMapViewImpl> Create(MGLMapView*);
+
+    MGLMapViewImpl(MGLMapView*);
+    virtual ~MGLMapViewImpl() = default;
+
+    virtual mbgl::gfx::RendererBackend& getRendererBackend() = 0;
+
+    // We need a static image of what was rendered for printing.
+    virtual mbgl::PremultipliedImage readStillImage() = 0;
+
+    virtual CGLContextObj getCGLContextObj() {
+        return nullptr;
+    }
+
+    // mbgl::MapObserver implementation
+    void onCameraWillChange(mbgl::MapObserver::CameraChangeMode) override;
+    void onCameraIsChanging() override;
+    void onCameraDidChange(mbgl::MapObserver::CameraChangeMode) override;
+    void onWillStartLoadingMap() override;
+    void onDidFinishLoadingMap() override;
+    void onDidFailLoadingMap(mbgl::MapLoadError mapError, const std::string& what) override;
+    void onWillStartRenderingFrame() override;
+    void onDidFinishRenderingFrame(mbgl::MapObserver::RenderMode) override;
+    void onWillStartRenderingMap() override;
+    void onDidFinishRenderingMap(mbgl::MapObserver::RenderMode) override;
+    void onDidFinishLoadingStyle() override;
+    void onSourceChanged(mbgl::style::Source& source) override;
+    void onDidBecomeIdle() override;
+
+protected:
+    /// Cocoa map view that this adapter bridges to.
+    __weak MGLMapView *mapView = nullptr;
+};