VideoThumbLoader.h

/*
 *  Copyright (C) 2012-2018 Team Kodi
 *  This file is part of Kodi - https://kodi.tv
 *
 *  SPDX-License-Identifier: GPL-2.0-or-later
 *  See LICENSES/README.md for more information.
 */

#pragma once

#include "FileItem.h"
#include "ThumbLoader.h"
#include "utils/JobManager.h"

#include <map>
#include <vector>

class CStreamDetails;
class CVideoDatabase;
class EmbeddedArt;

using ArtMap = std::map<std::string, std::string>;
using ArtCache = std::map<std::pair<MediaType, int>, ArtMap>;

class CThumbExtractor : public CJob
{
public:
  CThumbExtractor(const CFileItem& item, const std::string& listpath, bool thumb, const std::string& strTarget="", int64_t pos = -1, bool fillStreamDetails = true);
  ~CThumbExtractor() override;

  bool DoWork() override;

  const char* GetType() const override
  {
    return kJobTypeMediaFlags;
  }

  bool operator==(const CJob* job) const override;

  std::string m_target; 
  std::string m_listpath; 
  CFileItem  m_item;
  bool       m_thumb; 
  int64_t    m_pos; 
  bool m_fillStreamDetails; 
};

class CVideoThumbLoader : public CThumbLoader, public CJobQueue
{
public:
  CVideoThumbLoader();
  ~CVideoThumbLoader() override;

  void OnLoaderStart() override;
  void OnLoaderFinish() override;

  bool LoadItem(CFileItem* pItem) override;
  bool LoadItemCached(CFileItem* pItem) override;
  bool LoadItemLookup(CFileItem* pItem) override;

  virtual bool FillThumb(CFileItem &item);

  static std::string GetLocalArt(const CFileItem &item, const std::string &type, bool checkFolder = false);

  static std::vector<std::string> GetArtTypes(const std::string &type);

  static bool IsValidArtType(const std::string& potentialArtType);

  static bool IsArtTypeInWhitelist(const std::string& artType, const std::vector<std::string>& whitelist, bool exact);

  static std::string GetEmbeddedThumbURL(const CFileItem &item);

 bool FillLibraryArt(CFileItem &item) override;

  void OnJobComplete(unsigned int jobID, bool success, CJob *job) override;

  static bool GetEmbeddedThumb(const std::string& path,
                               const std::string& type,
                               EmbeddedArt& art);

protected:
  CVideoDatabase *m_videoDatabase;
  ArtCache m_artCache;

  void DetectAndAddMissingItemData(CFileItem &item);

  const ArtMap& GetArtFromCache(const std::string &mediaType, const int id);
};