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/*
* 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.
*/
#pragma once
#include "../../AddonBase.h"
#include "../Window.h"
#include "../renderHelper.h"
namespace kodi
{
namespace gui
{
namespace controls
{
//============================================================================
///
/// \defgroup cpp_kodi_gui_controls_CRendering Control Rendering
/// \ingroup cpp_kodi_gui
/// @brief \cpp_class{ kodi::gui::controls::CRendering }
/// **Window control for rendering own parts**
///
/// This rendering control is used when own parts are needed. You have the
/// control over them to render direct OpenGL or DirectX content to the
/// screen set by the size of them.
///
/// Alternative can be the virtual functions from t his been ignored if the
/// callbacks are defined by the \ref CRendering_SetIndependentCallbacks function and
/// class is used as single and not as a parent class.
///
/// It has the header \ref Rendering.h "#include <kodi/gui/controls/Rendering.h>"
/// be included to enjoy it.
///
/// Here you find the needed skin part for a \ref Addon_Rendering_control "rendering control"
///
/// @note The call of the control is only possible from the corresponding
/// window as its class and identification number is required.
///
//============================================================================
///
/// \defgroup cpp_kodi_gui_controls_CRendering_Defs Definitions, structures and enumerators
/// \ingroup cpp_kodi_gui_controls_CRendering
/// @brief **Library definition values**
///
class ATTRIBUTE_HIDDEN CRendering : public CAddonGUIControlBase
{
public:
//==========================================================================
///
/// \ingroup cpp_kodi_gui_controls_CRendering
/// @brief Construct a new control
///
/// @param[in] window related window control class
/// @param[in] controlId Used skin xml control id
///
CRendering(CWindow* window, int controlId) : CAddonGUIControlBase(window)
{
m_controlHandle = m_interface->kodi_gui->window->get_control_render_addon(
m_interface->kodiBase, m_Window->GetControlHandle(), controlId);
if (m_controlHandle)
m_interface->kodi_gui->control_rendering->set_callbacks(m_interface->kodiBase,
m_controlHandle, this, OnCreateCB,
OnRenderCB, OnStopCB, OnDirtyCB);
else
kodi::Log(ADDON_LOG_FATAL, "kodi::gui::controls::%s can't create control class from Kodi !!!",
__FUNCTION__);
}
//--------------------------------------------------------------------------
//==========================================================================
///
/// \ingroup cpp_kodi_gui_controls_CRendering
/// @brief Destructor
///
~CRendering() override
{
m_interface->kodi_gui->control_rendering->destroy(m_interface->kodiBase, m_controlHandle);
}
//--------------------------------------------------------------------------
//==========================================================================
///
/// \ingroup cpp_kodi_gui_controls_CRendering
/// @brief To create rendering control on Add-on
///
/// Function creates the needed rendering control for Kodi which becomes
/// handled and processed from Add-on
///
/// @note This is callback function from Kodi to Add-on and not to use
/// for calls from add-on to this function.
///
/// @param[in] x Horizontal position
/// @param[in] y Vertical position
/// @param[in] w Width of control
/// @param[in] h Height of control
/// @param[in] device The device to use. For OpenGL is empty
/// on Direct X is the needed device send.
/// @return Add-on needs to return true if successed,
/// otherwise false.
///
virtual bool Create(int x, int y, int w, int h, void* device) { return false; }
//--------------------------------------------------------------------------
//==========================================================================
///
/// \ingroup cpp_kodi_gui_controls_CRendering
/// @brief Render process call from Kodi
///
/// @note This is callback function from Kodi to Add-on and not to use
/// for calls from add-on to this function.
///
virtual void Render() {}
//--------------------------------------------------------------------------
//==========================================================================
///
/// \ingroup cpp_kodi_gui_controls_CRendering
/// @brief Call from Kodi to stop rendering process
///
/// @note This is callback function from Kodi to Add-on and not to use
/// for calls from add-on to this function.
///
virtual void Stop() {}
//--------------------------------------------------------------------------
//==========================================================================
///
/// \ingroup cpp_kodi_gui_controls_CRendering
/// @brief Call from Kodi where add-on becomes asked about dirty rendering
/// region.
///
/// @note This is callback function from Kodi to Add-on and not to use
/// for calls from add-on to this function.
///
virtual bool Dirty() { return false; }
//--------------------------------------------------------------------------
//==========================================================================
///
/// \ingroup cpp_kodi_gui_controls_CRendering
/// \anchor CRendering_SetIndependentCallbacks
/// @brief If the class is used independent (with "new CRendering")
/// and not as parent (with "cCLASS_own : CRendering") from own must
/// be the callback from Kodi to add-on overdriven with own functions!
///
void SetIndependentCallbacks(
GUIHANDLE cbhdl,
bool (*CBCreate)(GUIHANDLE cbhdl, int x, int y, int w, int h, void* device),
void (*CBRender)(GUIHANDLE cbhdl),
void (*CBStop)(GUIHANDLE cbhdl),
bool (*CBDirty)(GUIHANDLE cbhdl))
{
if (!cbhdl || !CBCreate || !CBRender || !CBStop || !CBDirty)
{
kodi::Log(ADDON_LOG_ERROR, "kodi::gui::controls::%s called with nullptr !!!", __FUNCTION__);
return;
}
m_interface->kodi_gui->control_rendering->set_callbacks(
m_interface->kodiBase, m_controlHandle, cbhdl, CBCreate, CBRender, CBStop, CBDirty);
}
//--------------------------------------------------------------------------
private:
/*
* Defined callback functions from Kodi to add-on, for use in parent / child system
* (is private)!
*/
static bool OnCreateCB(void* cbhdl, int x, int y, int w, int h, void* device)
{
static_cast<CRendering*>(cbhdl)->m_renderHelper = kodi::gui::GetRenderHelper();
return static_cast<CRendering*>(cbhdl)->Create(x, y, w, h, device);
}
static void OnRenderCB(void* cbhdl)
{
if (!static_cast<CRendering*>(cbhdl)->m_renderHelper)
return;
static_cast<CRendering*>(cbhdl)->m_renderHelper->Begin();
static_cast<CRendering*>(cbhdl)->Render();
static_cast<CRendering*>(cbhdl)->m_renderHelper->End();
}
static void OnStopCB(void* cbhdl)
{
static_cast<CRendering*>(cbhdl)->Stop();
static_cast<CRendering*>(cbhdl)->m_renderHelper = nullptr;
}
static bool OnDirtyCB(void* cbhdl) { return static_cast<CRendering*>(cbhdl)->Dirty(); }
std::shared_ptr<kodi::gui::IRenderHelper> m_renderHelper;
};
} /* namespace controls */
} /* namespace gui */
} /* namespace kodi */
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