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#pragma once
#include "drape/drape_diagnostics.hpp"
#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"
#include "std/unordered_set.hpp"
namespace dp
{
namespace detail
{
struct OverlayTraits
{
ScreenBase m_modelView;
inline m2::RectD const LimitRect(ref_ptr<OverlayHandle> const & handle)
{
return handle->GetExtendedPixelRect(m_modelView);
}
};
struct OverlayHasher
{
hash<OverlayHandle*> m_hasher;
size_t operator()(ref_ptr<OverlayHandle> const & handle) const
{
return m_hasher(handle.get());
}
};
} // namespace detail
using TOverlayContainer = buffer_vector<ref_ptr<OverlayHandle>, 8>;
class OverlayTree : public m4::Tree<ref_ptr<OverlayHandle>, detail::OverlayTraits>
{
using TBase = m4::Tree<ref_ptr<OverlayHandle>, detail::OverlayTraits>;
public:
using HandlesCache = unordered_set<ref_ptr<OverlayHandle>, detail::OverlayHasher>;
OverlayTree();
void Clear();
bool Frame();
bool IsNeedUpdate() const;
void StartOverlayPlacing(ScreenBase const & screen);
void Add(ref_ptr<OverlayHandle> handle);
void Remove(ref_ptr<OverlayHandle> handle);
void EndOverlayPlacing();
HandlesCache const & GetHandlesCache() const { return m_handlesCache; }
void Select(m2::RectD const & rect, TOverlayContainer & result) const;
void Select(m2::PointD const & glbPoint, TOverlayContainer & result) const;
void SetFollowingMode(bool mode);
void SetDisplacementEnabled(bool enabled);
void SetSelectedFeature(FeatureID const & featureID);
bool GetSelectedFeatureRect(ScreenBase const & screen, m2::RectD & featureRect);
struct DisplacementData
{
m2::PointF m_arrowStart;
m2::PointF m_arrowEnd;
dp::Color m_arrowColor;
DisplacementData(m2::PointF const & arrowStart, m2::PointF const & arrowEnd,
dp::Color const & arrowColor)
: m_arrowStart(arrowStart), m_arrowEnd(arrowEnd), m_arrowColor(arrowColor)
{}
};
using TDisplacementInfo = std::vector<DisplacementData>;
TDisplacementInfo const & GetDisplacementInfo() const;
private:
ScreenBase const & GetModelView() const { return m_traits.m_modelView; }
void InsertHandle(ref_ptr<OverlayHandle> handle, int currentRank,
ref_ptr<OverlayHandle> const & parentOverlay);
bool CheckHandle(ref_ptr<OverlayHandle> handle, int currentRank,
ref_ptr<OverlayHandle> & parentOverlay) const;
void DeleteHandle(ref_ptr<OverlayHandle> const & handle);
ref_ptr<OverlayHandle> FindParent(ref_ptr<OverlayHandle> handle, int searchingRank) const;
void DeleteHandleWithParents(ref_ptr<OverlayHandle> handle, int currentRank);
int m_frameCounter;
array<vector<ref_ptr<OverlayHandle>>, dp::OverlayRanksCount> m_handles;
HandlesCache m_handlesCache;
bool m_followingMode;
bool m_isDisplacementEnabled;
FeatureID m_selectedFeatureID;
TDisplacementInfo m_displacementInfo;
};
} // namespace dp
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