xbmc/pictures/PictureInfoLoader.cpp

   1 /*
   2  *  Copyright (C) 2005-2018 Team Kodi
   3  *  This file is part of Kodi - https://kodi.tv
   4  *
   5  *  SPDX-License-Identifier: GPL-2.0-or-later
   6  *  See LICENSES/README.md for more information.
   7  */
   8
   9 #include "PictureInfoLoader.h"
  10
  11 #include "FileItem.h"
  12 #include "FileItemList.h"
  13 #include "PictureInfoTag.h"
  14 #include "ServiceBroker.h"
  15 #include "network/NetworkFileItemClassify.h"
  16 #include "settings/Settings.h"
  17 #include "settings/SettingsComponent.h"
  18 #include "video/VideoFileItemClassify.h"
  19
  20 using namespace KODI;
  21
  22 CPictureInfoLoader::CPictureInfoLoader()
  23 {
  24   m_mapFileItems = new CFileItemList;
  25   m_tagReads = 0;
  26 }
  27
  28 CPictureInfoLoader::~CPictureInfoLoader()
  29 {
  30   StopThread();
  31   delete m_mapFileItems;
  32 }
  33
  34 void CPictureInfoLoader::OnLoaderStart()
  35 {
  36   // Load previously cached items from HD
  37   m_mapFileItems->SetPath(m_pVecItems->GetPath());
  38   m_mapFileItems->Load();
  39   m_mapFileItems->SetFastLookup(true);
  40
  41   m_tagReads = 0;
  42   m_loadTags = CServiceBroker::GetSettingsComponent()->GetSettings()->GetBool(CSettings::SETTING_PICTURES_USETAGS);
  43
  44   if (m_pProgressCallback)
  45     m_pProgressCallback->SetProgressMax(m_pVecItems->GetFileCount());
  46 }
  47
  48 bool CPictureInfoLoader::LoadItem(CFileItem* pItem)
  49 {
  50   bool result  = LoadItemCached(pItem);
  51        result |= LoadItemLookup(pItem);
  52
  53   return result;
  54 }
  55
  56 bool CPictureInfoLoader::LoadItemCached(CFileItem* pItem)
  57 {
  58   if (!pItem->IsPicture() || pItem->IsZIP() || pItem->IsRAR() || pItem->IsCBR() || pItem->IsCBZ() ||
  59       NETWORK::IsInternetStream(*pItem) || VIDEO::IsVideo(*pItem))
  60     return false;
  61
  62   if (pItem->HasPictureInfoTag())
  63     return true;
  64
  65   // Check the cached item
  66   CFileItemPtr mapItem = (*m_mapFileItems)[pItem->GetPath()];
  67   if (mapItem && mapItem->m_dateTime==pItem->m_dateTime && mapItem->HasPictureInfoTag())
  68   { // Query map if we previously cached the file on HD
  69     *pItem->GetPictureInfoTag() = *mapItem->GetPictureInfoTag();
  70     pItem->SetArt("thumb", mapItem->GetArt("thumb"));
  71     return true;
  72   }
  73
  74   return true;
  75 }
  76
  77 bool CPictureInfoLoader::LoadItemLookup(CFileItem* pItem)
  78 {
  79   if (m_pProgressCallback && !pItem->m_bIsFolder)
  80     m_pProgressCallback->SetProgressAdvance();
  81
  82   if (!pItem->IsPicture() || pItem->IsZIP() || pItem->IsRAR() || pItem->IsCBR() || pItem->IsCBZ() ||
  83       NETWORK::IsInternetStream(*pItem) || VIDEO::IsVideo(*pItem))
  84     return false;
  85
  86   if (pItem->HasPictureInfoTag())
  87     return false;
  88
  89   if (m_loadTags)
  90   { // Nothing found, load tag from file
  91     pItem->GetPictureInfoTag()->Load(pItem->GetPath());
  92     m_tagReads++;
  93   }
  94
  95   return true;
  96 }
  97
  98 void CPictureInfoLoader::OnLoaderFinish()
  99 {
 100   // cleanup cache loaded from HD
 101   m_mapFileItems->Clear();
 102
 103   // Save loaded items to HD
 104   if (!m_bStop && m_tagReads > 0)
 105     m_pVecItems->Save();
 106 }