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path: root/xbmc/pictures/PictureInfoLoader.cpp
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/*
 *  Copyright (C) 2005-2018 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.
 */

#include "PictureInfoLoader.h"

#include "FileItem.h"
#include "FileItemList.h"
#include "PictureInfoTag.h"
#include "ServiceBroker.h"
#include "settings/Settings.h"
#include "settings/SettingsComponent.h"
#include "video/VideoFileItemClassify.h"

using namespace KODI;

CPictureInfoLoader::CPictureInfoLoader()
{
  m_mapFileItems = new CFileItemList;
  m_tagReads = 0;
}

CPictureInfoLoader::~CPictureInfoLoader()
{
  StopThread();
  delete m_mapFileItems;
}

void CPictureInfoLoader::OnLoaderStart()
{
  // Load previously cached items from HD
  m_mapFileItems->SetPath(m_pVecItems->GetPath());
  m_mapFileItems->Load();
  m_mapFileItems->SetFastLookup(true);

  m_tagReads = 0;
  m_loadTags = CServiceBroker::GetSettingsComponent()->GetSettings()->GetBool(CSettings::SETTING_PICTURES_USETAGS);

  if (m_pProgressCallback)
    m_pProgressCallback->SetProgressMax(m_pVecItems->GetFileCount());
}

bool CPictureInfoLoader::LoadItem(CFileItem* pItem)
{
  bool result  = LoadItemCached(pItem);
       result |= LoadItemLookup(pItem);

  return result;
}

bool CPictureInfoLoader::LoadItemCached(CFileItem* pItem)
{
  if (!pItem->IsPicture() || pItem->IsZIP() || pItem->IsRAR() || pItem->IsCBR() || pItem->IsCBZ() ||
      pItem->IsInternetStream() || VIDEO::IsVideo(*pItem))
    return false;

  if (pItem->HasPictureInfoTag())
    return true;

  // Check the cached item
  CFileItemPtr mapItem = (*m_mapFileItems)[pItem->GetPath()];
  if (mapItem && mapItem->m_dateTime==pItem->m_dateTime && mapItem->HasPictureInfoTag())
  { // Query map if we previously cached the file on HD
    *pItem->GetPictureInfoTag() = *mapItem->GetPictureInfoTag();
    pItem->SetArt("thumb", mapItem->GetArt("thumb"));
    return true;
  }

  return true;
}

bool CPictureInfoLoader::LoadItemLookup(CFileItem* pItem)
{
  if (m_pProgressCallback && !pItem->m_bIsFolder)
    m_pProgressCallback->SetProgressAdvance();

  if (!pItem->IsPicture() || pItem->IsZIP() || pItem->IsRAR() || pItem->IsCBR() || pItem->IsCBZ() ||
      pItem->IsInternetStream() || VIDEO::IsVideo(*pItem))
    return false;

  if (pItem->HasPictureInfoTag())
    return false;

  if (m_loadTags)
  { // Nothing found, load tag from file
    pItem->GetPictureInfoTag()->Load(pItem->GetPath());
    m_tagReads++;
  }

  return true;
}

void CPictureInfoLoader::OnLoaderFinish()
{
  // cleanup cache loaded from HD
  m_mapFileItems->Clear();

  // Save loaded items to HD
  if (!m_bStop && m_tagReads > 0)
    m_pVecItems->Save();
}