xbmc/windows/GUIWindowScreensaverDim.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 "GUIWindowScreensaverDim.h"
  10
  11 #include "ServiceBroker.h"
  12 #include "addons/AddonManager.h"
  13 #include "addons/IAddon.h"
  14 #include "addons/addoninfo/AddonType.h"
  15 #include "application/ApplicationComponents.h"
  16 #include "application/ApplicationPowerHandling.h"
  17 #include "guilib/GUITexture.h"
  18 #include "utils/ColorUtils.h"
  19 #include "windowing/GraphicContext.h"
  20
  21 CGUIWindowScreensaverDim::CGUIWindowScreensaverDim(void)
  22   : CGUIDialog(WINDOW_SCREENSAVER_DIM, "", DialogModalityType::MODELESS)
  23 {
  24   m_needsScaling = false;
  25   m_animations.push_back(CAnimation::CreateFader(0, 100, 0, 1000, ANIM_TYPE_WINDOW_OPEN));
  26   m_animations.push_back(CAnimation::CreateFader(100, 0, 0, 1000, ANIM_TYPE_WINDOW_CLOSE));
  27   m_renderOrder = RENDER_ORDER_WINDOW_SCREENSAVER;
  28 }
  29
  30 void CGUIWindowScreensaverDim::UpdateVisibility()
  31 {
  32   auto& components = CServiceBroker::GetAppComponents();
  33   const auto appPower = components.GetComponent<CApplicationPowerHandling>();
  34   if (appPower->IsInScreenSaver())
  35   {
  36     if (m_visible)
  37       return;
  38
  39     std::string usedId = appPower->ScreensaverIdInUse();
  40     if  (usedId == "screensaver.xbmc.builtin.dim" ||
  41          usedId == "screensaver.xbmc.builtin.black")
  42     {
  43       m_visible = true;
  44       ADDON::AddonPtr info;
  45       bool success = CServiceBroker::GetAddonMgr().GetAddon(
  46           usedId, info, ADDON::AddonType::SCREENSAVER, ADDON::OnlyEnabled::CHOICE_YES);
  47       if (success && info && !info->GetSetting("level").empty())
  48         m_newDimLevel = 100.0f - (float)atof(info->GetSetting("level").c_str());
  49       else
  50         m_newDimLevel = 100.0f;
  51       Open();
  52     }
  53   }
  54   else if (m_visible)
  55   {
  56     m_visible = false;
  57     Close();
  58   }
  59 }
  60
  61 void CGUIWindowScreensaverDim::Process(unsigned int currentTime, CDirtyRegionList &dirtyregions)
  62 {
  63   if (m_newDimLevel != m_dimLevel && !IsAnimating(ANIM_TYPE_WINDOW_CLOSE))
  64     m_dimLevel = m_newDimLevel;
  65   CGUIDialog::Process(currentTime, dirtyregions);
  66   m_renderRegion.SetRect(0, 0, (float)CServiceBroker::GetWinSystem()->GetGfxContext().GetWidth(), (float)CServiceBroker::GetWinSystem()->GetGfxContext().GetHeight());
  67 }
  68
  69 void CGUIWindowScreensaverDim::Render()
  70 {
  71   // draw a translucent black quad - fading is handled by the window animation
  72   UTILS::COLOR::Color color = (static_cast<UTILS::COLOR::Color>(m_dimLevel * 2.55f) & 0xff) << 24;
  73   color = CServiceBroker::GetWinSystem()->GetGfxContext().MergeAlpha(color);
  74   CRect rect(0, 0, (float)CServiceBroker::GetWinSystem()->GetGfxContext().GetWidth(), (float)CServiceBroker::GetWinSystem()->GetGfxContext().GetHeight());
  75   CGUITexture::DrawQuad(rect, color);
  76   CGUIDialog::Render();
  77 }