xbmc/pvr/PVRThumbLoader.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 "PVRThumbLoader.h"
  10
  11 #include "FileItem.h"
  12 #include "FileItemList.h"
  13 #include "ServiceBroker.h"
  14 #include "TextureCache.h"
  15 #include "pvr/PVRManager.h"
  16 #include "pvr/filesystem/PVRGUIDirectory.h"
  17 #include "settings/AdvancedSettings.h"
  18 #include "settings/Settings.h"
  19 #include "settings/SettingsComponent.h"
  20 #include "utils/StringUtils.h"
  21 #include "utils/log.h"
  22
  23 #include <ctime>
  24
  25 using namespace PVR;
  26
  27 bool CPVRThumbLoader::LoadItem(CFileItem* item)
  28 {
  29   bool result = LoadItemCached(item);
  30   result |= LoadItemLookup(item);
  31   return result;
  32 }
  33
  34 bool CPVRThumbLoader::LoadItemCached(CFileItem* item)
  35 {
  36   return FillThumb(*item);
  37 }
  38
  39 bool CPVRThumbLoader::LoadItemLookup(CFileItem* item)
  40 {
  41   return false;
  42 }
  43
  44 void CPVRThumbLoader::OnLoaderFinish()
  45 {
  46   if (m_bInvalidated)
  47   {
  48     m_bInvalidated = false;
  49     CServiceBroker::GetPVRManager().PublishEvent(PVREvent::ChannelGroupsInvalidated);
  50   }
  51   CThumbLoader::OnLoaderFinish();
  52 }
  53
  54 void CPVRThumbLoader::ClearCachedImage(CFileItem& item)
  55 {
  56   const std::string thumb = item.GetArt("thumb");
  57   if (!thumb.empty())
  58   {
  59     CServiceBroker::GetTextureCache()->ClearCachedImage(thumb);
  60     if (m_textureDatabase->Open())
  61     {
  62       m_textureDatabase->ClearTextureForPath(item.GetPath(), "thumb");
  63       m_textureDatabase->Close();
  64     }
  65     item.SetArt("thumb", "");
  66     m_bInvalidated = true;
  67   }
  68 }
  69
  70 void CPVRThumbLoader::ClearCachedImages(const CFileItemList& items)
  71 {
  72   for (auto& item : items)
  73     ClearCachedImage(*item);
  74 }
  75
  76 bool CPVRThumbLoader::FillThumb(CFileItem& item)
  77 {
  78   // see whether we have a cached image for this item
  79   std::string thumb = GetCachedImage(item, "thumb");
  80   if (thumb.empty())
  81   {
  82     if (item.IsPVRChannelGroup())
  83       thumb = CreateChannelGroupThumb(item);
  84     else
  85       CLog::LogF(LOGERROR, "Unsupported PVR item '{}'", item.GetPath());
  86
  87     if (!thumb.empty())
  88     {
  89       SetCachedImage(item, "thumb", thumb);
  90       m_bInvalidated = true;
  91     }
  92   }
  93
  94   if (thumb.empty())
  95     return false;
  96
  97   item.SetArt("thumb", thumb);
  98   return true;
  99 }
 100
 101 std::string CPVRThumbLoader::CreateChannelGroupThumb(const CFileItem& channelGroupItem)
 102 {
 103   return StringUtils::Format("{}?ts={}", // append timestamp to Thumb URL to enforce texture refresh
 104                              CTextureUtils::GetWrappedImageURL(channelGroupItem.GetPath(), "pvr"),
 105                              std::time(nullptr));
 106 }