1 files changed, 117 insertions, 0 deletions
diff --git a/xbmc/guilib/GUIRenderingControl.cpp b/xbmc/guilib/GUIRenderingControl.cpp
new file mode 100644
index 0000000..f6e460b
--- /dev/null
+++ b/xbmc/guilib/GUIRenderingControl.cpp
@@ -0,0 +1,117 @@
+/*
+ *  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 "GUIRenderingControl.h"
+
+#include "guilib/IRenderingCallback.h"
+
+#include <mutex>
+#ifdef TARGET_WINDOWS
+#include "rendering/dx/DeviceResources.h"
+#endif
+
+#define LABEL_ROW1 10
+#define LABEL_ROW2 11
+#define LABEL_ROW3 12
+
+CGUIRenderingControl::CGUIRenderingControl(int parentID, int controlID, float posX, float posY, float width, float height)
+    : CGUIControl(parentID, controlID, posX, posY, width, height)
+{
+  ControlType = GUICONTROL_RENDERADDON;
+  m_callback = NULL;
+}
+
+CGUIRenderingControl::CGUIRenderingControl(const CGUIRenderingControl &from)
+: CGUIControl(from)
+{
+  ControlType = GUICONTROL_RENDERADDON;
+  m_callback = NULL;
+}
+
+bool CGUIRenderingControl::InitCallback(IRenderingCallback *callback)
+{
+  if (!callback)
+    return false;
+
+  std::unique_lock<CCriticalSection> lock(m_rendering);
+  CServiceBroker::GetWinSystem()->GetGfxContext().CaptureStateBlock();
+  float x = CServiceBroker::GetWinSystem()->GetGfxContext().ScaleFinalXCoord(GetXPosition(), GetYPosition());
+  float y = CServiceBroker::GetWinSystem()->GetGfxContext().ScaleFinalYCoord(GetXPosition(), GetYPosition());
+  float w = CServiceBroker::GetWinSystem()->GetGfxContext().ScaleFinalXCoord(GetXPosition() + GetWidth(), GetYPosition() + GetHeight()) - x;
+  float h = CServiceBroker::GetWinSystem()->GetGfxContext().ScaleFinalYCoord(GetXPosition() + GetWidth(), GetYPosition() + GetHeight()) - y;
+  if (x < 0) x = 0;
+  if (y < 0) y = 0;
+  if (x + w > CServiceBroker::GetWinSystem()->GetGfxContext().GetWidth()) w = CServiceBroker::GetWinSystem()->GetGfxContext().GetWidth() - x;
+  if (y + h > CServiceBroker::GetWinSystem()->GetGfxContext().GetHeight()) h = CServiceBroker::GetWinSystem()->GetGfxContext().GetHeight() - y;
+
+  void *device = NULL;
+#if TARGET_WINDOWS
+  device = DX::DeviceResources::Get()->GetD3DDevice();
+#endif
+  if (callback->Create((int)(x+0.5f), (int)(y+0.5f), (int)(w+0.5f), (int)(h+0.5f), device))
+    m_callback = callback;
+  else
+    return false;
+
+  CServiceBroker::GetWinSystem()->GetGfxContext().ApplyStateBlock();
+  return true;
+}
+
+void CGUIRenderingControl::UpdateVisibility(const CGUIListItem *item)
+{
+  // if made invisible, start timer, only free addonptr after
+  // some period, configurable by window class
+  CGUIControl::UpdateVisibility(item);
+  if (!IsVisible() && m_callback)
+    FreeResources();
+}
+
+void CGUIRenderingControl::Process(unsigned int currentTime, CDirtyRegionList &dirtyregions)
+{
+  //! @todo Add processing to the addon so it could mark when actually changing
+  std::unique_lock<CCriticalSection> lock(m_rendering);
+  if (m_callback && m_callback->IsDirty())
+    MarkDirtyRegion();
+
+  CGUIControl::Process(currentTime, dirtyregions);
+}
+
+void CGUIRenderingControl::Render()
+{
+  std::unique_lock<CCriticalSection> lock(m_rendering);
+  if (m_callback)
+  {
+    // set the viewport - note: We currently don't have any control over how
+    // the addon renders, so the best we can do is attempt to define
+    // a viewport??
+    CServiceBroker::GetWinSystem()->GetGfxContext().SetViewPort(m_posX, m_posY, m_width, m_height);
+    CServiceBroker::GetWinSystem()->GetGfxContext().CaptureStateBlock();
+    m_callback->Render();
+    CServiceBroker::GetWinSystem()->GetGfxContext().ApplyStateBlock();
+    CServiceBroker::GetWinSystem()->GetGfxContext().RestoreViewPort();
+  }
+
+  CGUIControl::Render();
+}
+
+void CGUIRenderingControl::FreeResources(bool immediately)
+{
+  std::unique_lock<CCriticalSection> lock(m_rendering);
+
+  if (!m_callback) return;
+
+  CServiceBroker::GetWinSystem()->GetGfxContext().CaptureStateBlock(); //! @todo locking
+  m_callback->Stop();
+  CServiceBroker::GetWinSystem()->GetGfxContext().ApplyStateBlock();
+  m_callback = NULL;
+}
+
+bool CGUIRenderingControl::CanFocusFromPoint(const CPoint &point) const
+{ // mouse is allowed to focus this control, but it doesn't actually receive focus
+  return IsVisible() && HitTest(point);
+}