1 files changed, 197 insertions, 0 deletions
diff --git a/xbmc/video/dialogs/GUIDialogTeletext.cpp b/xbmc/video/dialogs/GUIDialogTeletext.cpp
new file mode 100644
index 0000000..01e86cb
--- /dev/null
+++ b/xbmc/video/dialogs/GUIDialogTeletext.cpp
@@ -0,0 +1,197 @@
+/*
+ *  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 "GUIDialogTeletext.h"
+
+#include "ServiceBroker.h"
+#include "application/ApplicationComponents.h"
+#include "application/ApplicationPlayer.h"
+#include "dialogs/GUIDialogKaiToast.h"
+#include "guilib/GUIMessage.h"
+#include "guilib/GUITexture.h"
+#include "guilib/LocalizeStrings.h"
+#include "guilib/Texture.h"
+#include "settings/Settings.h"
+#include "settings/SettingsComponent.h"
+#include "utils/ColorUtils.h"
+#include "utils/log.h"
+
+static int teletextFadeAmount = 0;
+
+CGUIDialogTeletext::CGUIDialogTeletext()
+  : CGUIDialog(WINDOW_DIALOG_OSD_TELETEXT, ""), m_pTxtTexture(nullptr)
+{
+  m_renderOrder = RENDER_ORDER_DIALOG_TELETEXT;
+}
+
+CGUIDialogTeletext::~CGUIDialogTeletext() = default;
+
+bool CGUIDialogTeletext::OnAction(const CAction& action)
+{
+  if (m_TextDecoder.HandleAction(action))
+  {
+    MarkDirtyRegion();
+    return true;
+  }
+
+  return CGUIDialog::OnAction(action);
+}
+
+bool CGUIDialogTeletext::OnBack(int actionID)
+{
+  m_bClose = true;
+  MarkDirtyRegion();
+  return true;
+}
+
+bool CGUIDialogTeletext::OnMessage(CGUIMessage& message)
+{
+  if (message.GetMessage() == GUI_MSG_WINDOW_INIT)
+  {
+    /* Do not open if no teletext is available */
+    const auto& components = CServiceBroker::GetAppComponents();
+    const auto appPlayer = components.GetComponent<CApplicationPlayer>();
+    if (!appPlayer->HasTeletextCache())
+    {
+      Close();
+      CGUIDialogKaiToast::QueueNotification(CGUIDialogKaiToast::Info, g_localizeStrings.Get(23049), "", 1500, false);
+      return true;
+    }
+  }
+  else if (message.GetMessage() == GUI_MSG_NOTIFY_ALL)
+  {
+    if (message.GetParam1() == GUI_MSG_WINDOW_RESIZE)
+    {
+      SetCoordinates();
+    }
+  }
+  return CGUIDialog::OnMessage(message);
+}
+
+void CGUIDialogTeletext::Process(unsigned int currentTime, CDirtyRegionList &dirtyregions)
+{
+  CGUIDialog::Process(currentTime, dirtyregions);
+  m_renderRegion = m_vertCoords;
+}
+
+void CGUIDialogTeletext::Render()
+{
+  // Do not render if we have no texture
+  if (!m_pTxtTexture)
+  {
+    CLog::Log(LOGERROR, "CGUITeletextBox::Render called without texture");
+    return;
+  }
+
+  m_TextDecoder.RenderPage();
+
+  if (!m_bClose)
+  {
+    if (teletextFadeAmount < 100)
+    {
+      teletextFadeAmount = std::min(100, teletextFadeAmount + 5);
+      MarkDirtyRegion();
+    }
+  }
+  else
+  {
+    if (teletextFadeAmount > 0)
+    {
+      teletextFadeAmount = std::max(0, teletextFadeAmount - 10);
+      MarkDirtyRegion();
+    }
+
+    if (teletextFadeAmount == 0)
+      Close();
+  }
+
+  unsigned char* textureBuffer = (unsigned char*)m_TextDecoder.GetTextureBuffer();
+  if (!m_bClose && m_TextDecoder.NeedRendering() && textureBuffer)
+  {
+    m_pTxtTexture->Update(m_TextDecoder.GetWidth(), m_TextDecoder.GetHeight(), m_TextDecoder.GetWidth()*4, XB_FMT_A8R8G8B8, textureBuffer, false);
+    m_TextDecoder.RenderingDone();
+    MarkDirtyRegion();
+  }
+
+  UTILS::COLOR::Color color =
+      (static_cast<UTILS::COLOR::Color>(teletextFadeAmount * 2.55f) & 0xff) << 24 | 0xFFFFFF;
+  CGUITexture::DrawQuad(m_vertCoords, color, m_pTxtTexture.get());
+
+  CGUIDialog::Render();
+}
+
+void CGUIDialogTeletext::OnInitWindow()
+{
+  teletextFadeAmount  = 0;
+  m_bClose            = false;
+  m_windowLoaded      = true;
+
+  SetCoordinates();
+
+  if (!m_TextDecoder.InitDecoder())
+  {
+    CLog::Log(LOGERROR, "{}: failed to init teletext decoder", __FUNCTION__);
+    Close();
+  }
+
+  m_pTxtTexture =
+      CTexture::CreateTexture(m_TextDecoder.GetWidth(), m_TextDecoder.GetHeight(), XB_FMT_A8R8G8B8);
+  if (!m_pTxtTexture)
+  {
+    CLog::Log(LOGERROR, "{}: failed to create texture", __FUNCTION__);
+    Close();
+  }
+
+  CGUIDialog::OnInitWindow();
+}
+
+void CGUIDialogTeletext::OnDeinitWindow(int nextWindowID)
+{
+  m_windowLoaded = false;
+  m_TextDecoder.EndDecoder();
+
+  m_pTxtTexture.reset();
+
+  CGUIDialog::OnDeinitWindow(nextWindowID);
+}
+
+void CGUIDialogTeletext::SetCoordinates()
+{
+  float left, right, top, bottom;
+
+  CServiceBroker::GetWinSystem()->GetGfxContext().SetScalingResolution(m_coordsRes, m_needsScaling);
+
+  left = CServiceBroker::GetWinSystem()->GetGfxContext().ScaleFinalXCoord(0, 0);
+  right = CServiceBroker::GetWinSystem()->GetGfxContext().ScaleFinalXCoord((float)m_coordsRes.iWidth, 0);
+  top = CServiceBroker::GetWinSystem()->GetGfxContext().ScaleFinalYCoord(0, 0);
+  bottom = CServiceBroker::GetWinSystem()->GetGfxContext().ScaleFinalYCoord(0, (float)m_coordsRes.iHeight);
+
+  if (CServiceBroker::GetSettingsComponent()->GetSettings()->GetBool(CSettings::SETTING_VIDEOPLAYER_TELETEXTSCALE))
+  {
+    /* Fixed aspect ratio to 4:3 for teletext */
+    float width = right - left;
+    float height = bottom - top;
+    if (width / 4 > height / 3)
+    {
+      left = (width - height * 4 / 3) / 2;
+      right = width - left;
+    }
+    else
+    {
+      top = (height - width * 3 / 4) / 2;
+      bottom = height - top;
+    }
+  }
+
+  m_vertCoords.SetRect(left,
+    top,
+    right,
+    bottom);
+
+  MarkDirtyRegion();
+}