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#pragma once
#include "memory_feature_index.hpp"
#include "engine_context.hpp"
#include "tile_info.hpp"
#include "read_mwm_task.hpp"
#include "../geometry/screenbase.hpp"
#include "../drape/pointers.hpp"
#include "../drape/object_pool.hpp"
#include "../base/thread_pool.hpp"
#include "../std/set.hpp"
#include "../std/shared_ptr.hpp"
namespace df
{
class MapDataProvider;
class CoverageUpdateDescriptor;
typedef shared_ptr<TileInfo> tileinfo_ptr;
class ReadManager
{
public:
ReadManager(EngineContext & context, MapDataProvider & model);
void UpdateCoverage(ScreenBase const & screen, set<TileKey> const & tiles);
void Invalidate(set<TileKey> const & keyStorage);
void Stop();
static size_t ReadCount();
private:
void OnTaskFinished(threads::IRoutine * task);
bool MustDropAllTiles(ScreenBase const & screen) const;
void PushTaskBackForTileKey(TileKey const & tileKey);
void PushTaskFront(tileinfo_ptr const & tileToReread);
private:
MemoryFeatureIndex m_memIndex;
EngineContext & m_context;
MapDataProvider & m_model;
dp::MasterPointer<threads::ThreadPool> m_pool;
ScreenBase m_currentViewport;
struct LessByTileKey
{
bool operator ()(tileinfo_ptr const & l, tileinfo_ptr const & r) const
{
return *l < *r;
}
};
typedef set<tileinfo_ptr, LessByTileKey> tile_set_t;
tile_set_t m_tileInfos;
ObjectPool<ReadMWMTask, ReadMWMTaskFactory> myPool;
void CancelTileInfo(tileinfo_ptr const & tileToCancel);
void ClearTileInfo(tileinfo_ptr const & tileToClear);
};
} // namespace df
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