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#pragma once
#include "params.hpp"
#include "../geometry/rect2d.hpp"
#include "../coding/reader.hpp"
#include "../base/mutex.hpp"
#include "../std/scoped_ptr.hpp"
#include "../std/string.hpp"
#include "../std/function.hpp"
class Index;
namespace search
{
class Query;
class Results;
class EngineData;
class Engine
{
typedef function<void (Results const &)> SearchCallbackT;
public:
typedef Index IndexType;
// Doesn't take ownership of @pIndex. Takes ownership of pCategories
Engine(IndexType const * pIndex, Reader * pCategoriesR,
ModelReaderPtr polyR, ModelReaderPtr countryR,
string const & lang);
~Engine();
void SupportOldFormat(bool b);
void PrepareSearch(m2::RectD const & viewport,
bool hasPt, double lat, double lon);
bool Search(SearchParams const & params, m2::RectD const & viewport);
string GetCountryFile(m2::PointD const & pt);
string GetCountryCode(m2::PointD const & pt);
int8_t GetCurrentLanguage() const;
private:
template <class T> string GetCountryNameT(T const & t);
public:
string GetCountryName(m2::PointD const & pt);
string GetCountryName(string const & id);
bool GetNameByType(uint32_t type, int8_t lang, string & name) const;
m2::RectD GetCountryBounds(string const & file) const;
void ClearViewportsCache();
void ClearAllCaches();
private:
static const int RESULTS_COUNT = 15;
void SetViewportAsync(m2::RectD const & viewport, m2::RectD const & nearby);
void SearchAsync();
threads::Mutex m_searchMutex, m_updateMutex, m_readyMutex;
volatile bool m_readyThread;
SearchParams m_params;
m2::RectD m_viewport;
scoped_ptr<search::Query> m_pQuery;
scoped_ptr<EngineData> m_pData;
};
} // namespace search
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