1 files changed, 151 insertions, 0 deletions
diff --git a/xbmc/BackgroundInfoLoader.cpp b/xbmc/BackgroundInfoLoader.cpp
new file mode 100644
index 0000000..8235f81
--- /dev/null
+++ b/xbmc/BackgroundInfoLoader.cpp
@@ -0,0 +1,151 @@
+/*
+ *  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 "BackgroundInfoLoader.h"
+
+#include "FileItem.h"
+#include "URL.h"
+#include "threads/Thread.h"
+#include "utils/log.h"
+
+#include <mutex>
+
+CBackgroundInfoLoader::CBackgroundInfoLoader() : m_thread (NULL)
+{
+  m_bStop = true;
+  m_pObserver=NULL;
+  m_pProgressCallback=NULL;
+  m_pVecItems = NULL;
+  m_bIsLoading = false;
+}
+
+CBackgroundInfoLoader::~CBackgroundInfoLoader()
+{
+  StopThread();
+}
+
+void CBackgroundInfoLoader::Run()
+{
+  try
+  {
+    if (!m_vecItems.empty())
+    {
+      OnLoaderStart();
+
+      // Stage 1: All "fast" stuff we have already cached
+      for (std::vector<CFileItemPtr>::const_iterator iter = m_vecItems.begin(); iter != m_vecItems.end(); ++iter)
+      {
+        const CFileItemPtr& pItem = *iter;
+
+        // Ask the callback if we should abort
+        if ((m_pProgressCallback && m_pProgressCallback->Abort()) || m_bStop)
+          break;
+
+        try
+        {
+          if (LoadItemCached(pItem.get()) && m_pObserver)
+            m_pObserver->OnItemLoaded(pItem.get());
+        }
+        catch (...)
+        {
+          CLog::Log(LOGERROR,
+                    "CBackgroundInfoLoader::LoadItemCached - Unhandled exception for item {}",
+                    CURL::GetRedacted(pItem->GetPath()));
+        }
+      }
+
+      // Stage 2: All "slow" stuff that we need to lookup
+      for (std::vector<CFileItemPtr>::const_iterator iter = m_vecItems.begin(); iter != m_vecItems.end(); ++iter)
+      {
+        const CFileItemPtr& pItem = *iter;
+
+        // Ask the callback if we should abort
+        if ((m_pProgressCallback && m_pProgressCallback->Abort()) || m_bStop)
+          break;
+
+        try
+        {
+          if (LoadItemLookup(pItem.get()) && m_pObserver)
+            m_pObserver->OnItemLoaded(pItem.get());
+        }
+        catch (...)
+        {
+          CLog::Log(LOGERROR,
+                    "CBackgroundInfoLoader::LoadItemLookup - Unhandled exception for item {}",
+                    CURL::GetRedacted(pItem->GetPath()));
+        }
+      }
+    }
+
+    OnLoaderFinish();
+    m_bIsLoading = false;
+  }
+  catch (...)
+  {
+    m_bIsLoading = false;
+    CLog::Log(LOGERROR, "{} - Unhandled exception", __FUNCTION__);
+  }
+}
+
+void CBackgroundInfoLoader::Load(CFileItemList& items)
+{
+  StopThread();
+
+  if (items.IsEmpty())
+    return;
+
+  std::unique_lock<CCriticalSection> lock(m_lock);
+
+  for (int nItem=0; nItem < items.Size(); nItem++)
+    m_vecItems.push_back(items[nItem]);
+
+  m_pVecItems = &items;
+  m_bStop = false;
+  m_bIsLoading = true;
+
+  m_thread = new CThread(this, "BackgroundLoader");
+  m_thread->Create();
+  m_thread->SetPriority(ThreadPriority::BELOW_NORMAL);
+}
+
+void CBackgroundInfoLoader::StopAsync()
+{
+  m_bStop = true;
+}
+
+
+void CBackgroundInfoLoader::StopThread()
+{
+  StopAsync();
+
+  if (m_thread)
+  {
+    m_thread->StopThread();
+    delete m_thread;
+    m_thread = NULL;
+  }
+  m_vecItems.clear();
+  m_pVecItems = NULL;
+  m_bIsLoading = false;
+}
+
+bool CBackgroundInfoLoader::IsLoading()
+{
+  return m_bIsLoading;
+}
+
+void CBackgroundInfoLoader::SetObserver(IBackgroundLoaderObserver* pObserver)
+{
+  m_pObserver = pObserver;
+}
+
+void CBackgroundInfoLoader::SetProgressCallback(IProgressCallback* pCallback)
+{
+  m_pProgressCallback = pCallback;
+}
+