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#pragma once
#include <mbgl/style/source.hpp>
#include <mbgl/style/image.hpp>
#include <cstdint>
#include <string>
namespace mbgl {
enum class MapLoadError {
StyleParseError,
StyleLoadError,
NotFoundError,
UnknownError,
};
class MapObserver {
public:
virtual ~MapObserver() = default;
static MapObserver& nullObserver() {
static MapObserver mapObserver;
return mapObserver;
}
enum class CameraChangeMode : uint32_t {
Immediate,
Animated
};
enum class RenderMode : uint32_t {
Partial,
Full
};
struct RenderFrameStatus {
RenderMode mode;
bool needsRepaint; // In continous mode, shows that there are ongoig transitions.
bool placementChanged;
};
virtual void onCameraWillChange(CameraChangeMode) {}
virtual void onCameraIsChanging() {}
virtual void onCameraDidChange(CameraChangeMode) {}
virtual void onWillStartLoadingMap() {}
virtual void onDidFinishLoadingMap() {}
virtual void onDidFailLoadingMap(MapLoadError, const std::string&) {}
virtual void onWillStartRenderingFrame() {}
virtual void onDidFinishRenderingFrame(RenderFrameStatus) {}
virtual void onWillStartRenderingMap() {}
virtual void onDidFinishRenderingMap(RenderMode) {}
virtual void onDidFinishLoadingStyle() {}
virtual void onSourceChanged(style::Source&) {}
virtual void onDidBecomeIdle() {}
virtual void onStyleImageMissing(const std::string&) {}
// This method should return true if unused image can be removed,
// false otherwise. By default, unused image will be removed.
virtual bool onCanRemoveUnusedStyleImage(const std::string&) { return true; }
};
} // namespace mbgl
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