1 files changed, 99 insertions, 0 deletions
diff --git a/xbmc/pictures/PictureInfoLoader.cpp b/xbmc/pictures/PictureInfoLoader.cpp
new file mode 100644
index 0000000..81b8cfa
--- /dev/null
+++ b/xbmc/pictures/PictureInfoLoader.cpp
@@ -0,0 +1,99 @@
+/*
+ *  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 "PictureInfoTag.h"
+#include "ServiceBroker.h"
+#include "settings/Settings.h"
+#include "settings/SettingsComponent.h"
+
+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() || pItem->IsVideo())
+    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() || pItem->IsVideo())
+    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();
+}