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/*
* Copyright (C) 2005-2010 Team XBMC
* http://www.xbmc.org
*
* This Program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This Program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with XBMC; see the file COPYING. If not, write to
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
* http://www.gnu.org/copyleft/gpl.html
*
*/
#include "GUIRenderingControl.h"
#include "GUIUserMessages.h"
#include "addons/Visualisation.h"
#include "utils/SingleLock.h"
using namespace std;
using namespace ADDON;
#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;
}
CGUIRenderingControl::CGUIRenderingControl(const CGUIRenderingControl &from)
: CGUIControl(from)
{
ControlType = GUICONTROL_RENDERADDON;
}
void CGUIRenderingControl::LoadAddon(const AddonPtr &addon)
{
if (!addon)
return;
CSingleLock lock(m_rendering);
g_graphicsContext.CaptureStateBlock();
float x = g_graphicsContext.ScaleFinalXCoord(GetXPosition(), GetYPosition());
float y = g_graphicsContext.ScaleFinalYCoord(GetXPosition(), GetYPosition());
float w = g_graphicsContext.ScaleFinalXCoord(GetXPosition() + GetWidth(), GetYPosition() + GetHeight()) - x;
float h = g_graphicsContext.ScaleFinalYCoord(GetXPosition() + GetWidth(), GetYPosition() + GetHeight()) - y;
if (x < 0) x = 0;
if (y < 0) y = 0;
if (x + w > g_graphicsContext.GetWidth()) w = g_graphicsContext.GetWidth() - x;
if (y + h > g_graphicsContext.GetHeight()) h = g_graphicsContext.GetHeight() - y;
VizPtr viz = boost::dynamic_pointer_cast<CVisualisation>(addon);
if (viz && viz->Create((int)(x+0.5f), (int)(y+0.5f), (int)(w+0.5f), (int)(h+0.5f)))
{
m_addon = viz;
}
g_graphicsContext.ApplyStateBlock();
VerifyGLState();
}
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_addon)
FreeResources();
}
void CGUIRenderingControl::Render()
{
CSingleLock lock(m_rendering);
if (m_addon)
{
// 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??
g_graphicsContext.SetViewPort(m_posX, m_posY, m_width, m_height);
g_graphicsContext.CaptureStateBlock();
m_addon->Render();
g_graphicsContext.ApplyStateBlock();
g_graphicsContext.RestoreViewPort();
}
CGUIControl::Render();
}
void CGUIRenderingControl::FreeResources(bool immediately)
{
if (!m_addon) return;
CSingleLock lock(m_rendering);
g_graphicsContext.CaptureStateBlock(); //TODO locking
m_addon->Stop();
g_graphicsContext.ApplyStateBlock();
m_addon.reset();
}
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);
}
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