1 files changed, 136 insertions, 0 deletions
diff --git a/xbmc/pvr/PVRThumbLoader.cpp b/xbmc/pvr/PVRThumbLoader.cpp
new file mode 100644
index 0000000..4b3544c
--- /dev/null
+++ b/xbmc/pvr/PVRThumbLoader.cpp
@@ -0,0 +1,136 @@
+/*
+ *  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 "PVRThumbLoader.h"
+
+#include "FileItem.h"
+#include "ServiceBroker.h"
+#include "TextureCache.h"
+#include "TextureCacheJob.h"
+#include "pictures/Picture.h"
+#include "pvr/PVRCachedImages.h"
+#include "pvr/PVRManager.h"
+#include "pvr/filesystem/PVRGUIDirectory.h"
+#include "settings/AdvancedSettings.h"
+#include "settings/Settings.h"
+#include "settings/SettingsComponent.h"
+#include "utils/StringUtils.h"
+#include "utils/log.h"
+
+#include <ctime>
+
+using namespace PVR;
+
+bool CPVRThumbLoader::LoadItem(CFileItem* item)
+{
+  bool result = LoadItemCached(item);
+  result |= LoadItemLookup(item);
+  return result;
+}
+
+bool CPVRThumbLoader::LoadItemCached(CFileItem* item)
+{
+  return FillThumb(*item);
+}
+
+bool CPVRThumbLoader::LoadItemLookup(CFileItem* item)
+{
+  return false;
+}
+
+void CPVRThumbLoader::OnLoaderFinish()
+{
+  if (m_bInvalidated)
+  {
+    m_bInvalidated = false;
+    CServiceBroker::GetPVRManager().PublishEvent(PVREvent::ChannelGroupsInvalidated);
+  }
+  CThumbLoader::OnLoaderFinish();
+}
+
+void CPVRThumbLoader::ClearCachedImage(CFileItem& item)
+{
+  const std::string thumb = item.GetArt("thumb");
+  if (!thumb.empty())
+  {
+    CServiceBroker::GetTextureCache()->ClearCachedImage(thumb);
+    if (m_textureDatabase->Open())
+    {
+      m_textureDatabase->ClearTextureForPath(item.GetPath(), "thumb");
+      m_textureDatabase->Close();
+    }
+    item.SetArt("thumb", "");
+    m_bInvalidated = true;
+  }
+}
+
+void CPVRThumbLoader::ClearCachedImages(const CFileItemList& items)
+{
+  for (auto& item : items)
+    ClearCachedImage(*item);
+}
+
+bool CPVRThumbLoader::FillThumb(CFileItem& item)
+{
+  // see whether we have a cached image for this item
+  std::string thumb = GetCachedImage(item, "thumb");
+  if (thumb.empty())
+  {
+    if (item.IsPVRChannelGroup())
+      thumb = CreateChannelGroupThumb(item);
+    else
+      CLog::LogF(LOGERROR, "Unsupported PVR item '{}'", item.GetPath());
+
+    if (!thumb.empty())
+    {
+      SetCachedImage(item, "thumb", thumb);
+      m_bInvalidated = true;
+    }
+  }
+
+  if (thumb.empty())
+    return false;
+
+  item.SetArt("thumb", thumb);
+  return true;
+}
+
+std::string CPVRThumbLoader::CreateChannelGroupThumb(const CFileItem& channelGroupItem)
+{
+  const CPVRGUIDirectory channelGroupDir(channelGroupItem.GetPath());
+  CFileItemList channels;
+  if (channelGroupDir.GetChannelsDirectory(channels))
+  {
+    std::vector<std::string> channelIcons;
+    for (const auto& channel : channels)
+    {
+      const std::string& icon = channel->GetArt("icon");
+      if (!icon.empty())
+        channelIcons.emplace_back(CPVRCachedImages::UnwrapImageURL(icon));
+
+      if (channelIcons.size() == 9) // limit number of tiles
+        break;
+    }
+
+    std::string thumb = StringUtils::Format(
+        "{}?ts={}", // append timestamp to Thumb URL to enforce texture refresh
+        CTextureUtils::GetWrappedImageURL(channelGroupItem.GetPath(), "pvr"), std::time(nullptr));
+    const std::string relativeCacheFile = CTextureCache::GetCacheFile(thumb) + ".png";
+    if (CPicture::CreateTiledThumb(channelIcons, CTextureCache::GetCachedPath(relativeCacheFile)))
+    {
+      CTextureDetails details;
+      details.file = relativeCacheFile;
+      details.width = CServiceBroker::GetSettingsComponent()->GetAdvancedSettings()->m_imageRes;
+      details.height = details.width;
+      CServiceBroker::GetTextureCache()->AddCachedTexture(thumb, details);
+      return thumb;
+    }
+  }
+
+  return {};
+}