xbmc/windowing/wayland/OSScreenSaverWebOS.cpp

   1 /*
   2 *  Copyright (C) 2023 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 "OSScreenSaverWebOS.h"
  10
  11 #include "CompileInfo.h"
  12 #include "utils/JSONVariantParser.h"
  13 #include "utils/JSONVariantWriter.h"
  14 #include "utils/log.h"
  15
  16 namespace
  17 {
  18 constexpr const char* LUNA_REGISTER_SCREENSAVER =
  19     "luna://com.webos.service.tvpower/power/registerScreenSaverRequest";
  20 constexpr const char* LUNA_RESPONSE_SCREENSAVER =
  21     "luna://com.webos.service.tvpower/power/responseScreenSaverRequest";
  22 } // namespace
  23
  24 namespace KODI::WINDOWING::WAYLAND
  25 {
  26
  27 COSScreenSaverWebOS::~COSScreenSaverWebOS()
  28 {
  29   if (m_requestContext)
  30   {
  31     // Luna helper functions return 0 on success
  32     if (HUnregisterServiceCallback(m_requestContext.get()))
  33       CLog::LogF(LOGWARNING, "COSScreenSaverWebOS: Luna request unregister failed");
  34     m_requestContext = nullptr;
  35   }
  36 }
  37
  38 void COSScreenSaverWebOS::Inhibit()
  39 {
  40   CVariant request;
  41   request["subscribe"] = true;
  42   request["clientName"] = CCompileInfo::GetPackage();
  43   std::string payload;
  44   CJSONVariantWriter::Write(request, payload, true);
  45
  46   m_requestContext = std::make_unique<HContext>();
  47   m_requestContext->pub = true;
  48   m_requestContext->multiple = true;
  49   m_requestContext->callback = &OnScreenSaverAboutToStart;
  50   if (HLunaServiceCall(LUNA_REGISTER_SCREENSAVER, payload.c_str(), m_requestContext.get()))
  51   {
  52     CLog::LogF(LOGWARNING, "COSScreenSaverWebOS: Luna request call failed");
  53     if (HUnregisterServiceCallback(m_requestContext.get()))
  54       CLog::LogF(LOGWARNING, "COSScreenSaverWebOS: Luna request unregister failed");
  55     m_requestContext = nullptr;
  56   }
  57 }
  58
  59 void COSScreenSaverWebOS::Uninhibit()
  60 {
  61   if (m_requestContext)
  62   {
  63     if (HUnregisterServiceCallback(m_requestContext.get()))
  64       CLog::LogF(LOGWARNING, "COSScreenSaverWebOS: Luna request unregister failed");
  65     m_requestContext = nullptr;
  66   }
  67 }
  68
  69 bool COSScreenSaverWebOS::OnScreenSaverAboutToStart(LSHandle* sh, LSMessage* reply, void* ctx)
  70 {
  71   CVariant request;
  72   const char* msg = HLunaServiceMessage(reply);
  73   CJSONVariantParser::Parse(msg, request);
  74
  75   CLog::LogF(LOGDEBUG, "COSScreenSaverWebOS: Responded {}", msg);
  76
  77   if (request["state"] != "Active")
  78     return true;
  79
  80   CVariant response;
  81   response["clientName"] = CCompileInfo::GetPackage();
  82   response["ack"] = false;
  83   response["timestamp"] = request["timestamp"];
  84   std::string payload;
  85   CJSONVariantWriter::Write(response, payload, true);
  86
  87   HContext response_ctx;
  88   response_ctx.multiple = false;
  89   response_ctx.pub = true;
  90   response_ctx.callback = nullptr;
  91   if (HLunaServiceCall(LUNA_RESPONSE_SCREENSAVER, payload.c_str(), &response_ctx))
  92   {
  93     CLog::LogF(LOGWARNING, "COSScreenSaverWebOS: Luna response call failed");
  94     return false;
  95   }
  96
  97   return true;
  98 }
  99
 100 } // namespace KODI::WINDOWING::WAYLAND