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#pragma once
#include "drape/overlay_handle.hpp"
#include "geometry/screenbase.hpp"
#include "geometry/tree4d.hpp"
#include "base/buffer_vector.hpp"
#include "std/array.hpp"
#include "std/vector.hpp"
namespace dp
{
namespace detail
{
struct OverlayInfo
{
ref_ptr<OverlayHandle> m_handle;
OverlayInfo() = default;
OverlayInfo(ref_ptr<OverlayHandle> handle)
: m_handle(handle)
{}
bool operator==(OverlayInfo const & rhs) const
{
return m_handle == rhs.m_handle;
}
};
struct OverlayTraits
{
ScreenBase m_modelView;
inline m2::RectD const LimitRect(OverlayInfo const & info)
{
return info.m_handle->GetExtendedPixelRect(m_modelView);
}
};
}
class OverlayTree : public m4::Tree<detail::OverlayInfo, detail::OverlayTraits>
{
using TBase = m4::Tree<detail::OverlayInfo, detail::OverlayTraits>;
public:
OverlayTree();
bool Frame(bool is3d);
bool IsNeedUpdate() const;
void ForceUpdate();
void StartOverlayPlacing(ScreenBase const & screen);
void Add(ref_ptr<OverlayHandle> handle);
void EndOverlayPlacing();
using TSelectResult = buffer_vector<ref_ptr<OverlayHandle>, 8>;
void Select(m2::RectD const & rect, TSelectResult & result) const;
void Select(m2::PointD const & glbPoint, TSelectResult & result) const;
void SetFollowingMode(bool mode);
private:
ScreenBase const & GetModelView() const { return m_traits.m_modelView; }
void InsertHandle(ref_ptr<OverlayHandle> handle,
detail::OverlayInfo const & parentOverlay);
bool CheckHandle(ref_ptr<OverlayHandle> handle, int currentRank,
detail::OverlayInfo & parentOverlay) const;
void AddHandleToDelete(detail::OverlayInfo const & overlay);
int m_frameCounter;
array<vector<ref_ptr<OverlayHandle>>, dp::OverlayRanksCount> m_handles;
vector<detail::OverlayInfo> m_handlesToDelete;
bool m_followingMode;
};
} // namespace dp
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