xbmc/addons/ScreenSaver.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 "ScreenSaver.h"
  10
  11 #include "filesystem/SpecialProtocol.h"
  12 #include "utils/log.h"
  13 #include "windowing/GraphicContext.h"
  14 #include "windowing/WinSystem.h"
  15
  16 using namespace ADDON;
  17 using namespace KODI::ADDONS;
  18
  19 namespace
  20 {
  21 void get_properties(const KODI_HANDLE hdl, struct KODI_ADDON_SCREENSAVER_PROPS* props)
  22 {
  23   if (hdl)
  24     static_cast<CScreenSaver*>(hdl)->GetProperties(props);
  25 }
  26 } // namespace
  27
  28 CScreenSaver::CScreenSaver(const AddonInfoPtr& addonInfo)
  29   : IAddonInstanceHandler(ADDON_INSTANCE_SCREENSAVER, addonInfo)
  30 {
  31   m_ifc.screensaver = new AddonInstance_Screensaver;
  32   m_ifc.screensaver->toAddon = new KodiToAddonFuncTable_Screensaver();
  33   m_ifc.screensaver->toKodi = new AddonToKodiFuncTable_Screensaver();
  34   m_ifc.screensaver->toKodi->get_properties = get_properties;
  35
  36   /* Open the class "kodi::addon::CInstanceScreensaver" on add-on side */
  37   if (CreateInstance() != ADDON_STATUS_OK)
  38     CLog::Log(LOGFATAL, "Screensaver: failed to create instance for '{}' and not usable!", ID());
  39 }
  40
  41 CScreenSaver::~CScreenSaver()
  42 {
  43   /* Destroy the class "kodi::addon::CInstanceScreensaver" on add-on side */
  44   DestroyInstance();
  45
  46   delete m_ifc.screensaver->toAddon;
  47   delete m_ifc.screensaver->toKodi;
  48   delete m_ifc.screensaver;
  49 }
  50
  51 bool CScreenSaver::Start()
  52 {
  53   if (m_ifc.screensaver->toAddon->start)
  54     return m_ifc.screensaver->toAddon->start(m_ifc.hdl);
  55   return false;
  56 }
  57
  58 void CScreenSaver::Stop()
  59 {
  60   if (m_ifc.screensaver->toAddon->stop)
  61     m_ifc.screensaver->toAddon->stop(m_ifc.hdl);
  62 }
  63
  64 void CScreenSaver::Render()
  65 {
  66   if (m_ifc.screensaver->toAddon->render)
  67     m_ifc.screensaver->toAddon->render(m_ifc.hdl);
  68 }
  69
  70 void CScreenSaver::GetProperties(struct KODI_ADDON_SCREENSAVER_PROPS* props)
  71 {
  72   if (!props)
  73     return;
  74
  75   const auto winSystem = CServiceBroker::GetWinSystem();
  76   if (!winSystem)
  77     return;
  78
  79   props->x = 0;
  80   props->y = 0;
  81   props->device = winSystem->GetHWContext();
  82   props->width = winSystem->GetGfxContext().GetWidth();
  83   props->height = winSystem->GetGfxContext().GetHeight();
  84   props->pixelRatio = winSystem->GetGfxContext().GetResInfo().fPixelRatio;
  85 }