/*****************************************************************************
* ctrl_video.cpp
*****************************************************************************
* Copyright (C) 2004 the VideoLAN team
*
* Authors: Cyril Deguet <asmax@via.ecp.fr>
*
* 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 of the License, 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 this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
#include "ctrl_video.hpp"
#include "../src/theme.hpp"
#include "../src/vout_window.hpp"
#include "../src/os_graphics.hpp"
#include "../src/vlcproc.hpp"
#include "../src/vout_manager.hpp"
#include "../src/window_manager.hpp"
#include "../commands/async_queue.hpp"
#include "../commands/cmd_resize.hpp"
CtrlVideo::CtrlVideo( intf_thread_t *pIntf, GenericLayout &rLayout,
bool autoResize, const UString &rHelp,
VarBool *pVisible ):
CtrlGeneric( pIntf, rHelp, pVisible ), m_rLayout( rLayout ),
m_bAutoResize( autoResize ), m_xShift( 0 ), m_yShift( 0 ),
m_pVoutWindow( NULL )
{
VarBool &rFullscreen = VlcProc::instance( getIntf() )->getFullscreenVar();
rFullscreen.addObserver( this );
// if global parameter set to no resize, override skins behavior
if( config_FindConfig( "qt-video-autoresize" ) &&
!var_InheritBool( pIntf, "qt-video-autoresize" ) )
m_bAutoResize = false;
}
CtrlVideo::~CtrlVideo()
{
VarBool &rFullscreen = VlcProc::instance( getIntf() )->getFullscreenVar();
rFullscreen.delObserver( this );
}
void CtrlVideo::handleEvent( EvtGeneric &rEvent )
{
(void)rEvent;
}
bool CtrlVideo::mouseOver( int x, int y ) const
{
(void)x; (void)y;
return false;
}
void CtrlVideo::onResize()
{
const Position *pPos = getPosition();
if( pPos && m_pVoutWindow )
{
m_pVoutWindow->move( pPos->getLeft(), pPos->getTop() );
m_pVoutWindow->resize( pPos->getWidth(), pPos->getHeight() );
}
}
void CtrlVideo::onPositionChange()
{
// Compute the difference between layout size and video size
m_xShift = m_rLayout.getWidth() - getPosition()->getWidth();
m_yShift = m_rLayout.getHeight() - getPosition()->getHeight();
}
void CtrlVideo::draw( OSGraphics &rImage, int xDest, int yDest, int w, int h)
{
const Position *pPos = getPosition();
rect region( pPos->getLeft(), pPos->getTop(),
pPos->getWidth(), pPos->getHeight() );
rect clip( xDest, yDest, w, h );
rect inter;
if( rect::intersect( region, clip, &inter ) )
{
// Draw a black rectangle under the video to avoid transparency
rImage.fillRect( inter.x, inter.y, inter.width, inter.height, 0 );
}
if( m_pVoutWindow )
{
m_pVoutWindow->show();
}
}
void CtrlVideo::setLayout( GenericLayout *pLayout,
const Position &rPosition )
{
CtrlGeneric::setLayout( pLayout, rPosition );
m_pLayout->getActiveVar().addObserver( this );
getWindow()->getVisibleVar().addObserver( this );
// register Video Control
VoutManager::instance( getIntf() )->registerCtrlVideo( this );
msg_Dbg( getIntf(),"New VideoControl detected(%p), usability=%s",
(void *)this, isUseable() ? "true" : "false" );
}
void CtrlVideo::unsetLayout()
{
m_pLayout->getActiveVar().delObserver( this );
getWindow()->getVisibleVar().delObserver( this );
CtrlGeneric::unsetLayout();
}
void CtrlVideo::resizeControl( int width, int height )
{
if( !m_bAutoResize )
return;
WindowManager &rWindowManager =
getIntf()->p_sys->p_theme->getWindowManager();
const Position *pPos = getPosition();
if( width != pPos->getWidth() || height != pPos->getHeight() )
{
// new layout dimensions
int newWidth = width + m_xShift;
int newHeight = height + m_yShift;
// Resize the layout
rWindowManager.startResize( m_rLayout, WindowManager::kResizeSE );
rWindowManager.resize( m_rLayout, newWidth, newHeight );
rWindowManager.stopResize();
if( m_pVoutWindow )
{
m_pVoutWindow->resize( pPos->getWidth(), pPos->getHeight() );
m_pVoutWindow->move( pPos->getLeft(), pPos->getTop() );
}
}
}
void CtrlVideo::onUpdate( Subject<VarBool> &rVariable, void *arg )
{
(void)arg;
VarBool &rFullscreen = VlcProc::instance( getIntf() )->getFullscreenVar();
if( &rVariable == m_pVisible )
{
msg_Dbg( getIntf(), "VideoCtrl(%p) : control visibility changed (%i)",
(void *)this, isVisible() );
notifyLayout();
}
else if( &rVariable == &m_pLayout->getActiveVar() )
{
msg_Dbg( getIntf(), "VideoCtrl(%p) : Active Layout changed (%i)",
(void *)this, m_pLayout->getActiveVar().get() );
}
else if( &rVariable == &getWindow()->getVisibleVar() )
{
msg_Dbg( getIntf(), "VideoCtrl(%p) : Window visibility changed (%i)",
(void *)this, getWindow()->getVisibleVar().get() );
}
else if( &rVariable == &rFullscreen )
{
msg_Dbg( getIntf(), "VideoCtrl(%p) : fullscreen toggled (%i)",
(void *)this, rFullscreen.get() );
}
if( isUseable() && !isUsed() )
{
VoutManager::instance( getIntf() )->requestVout( this );
}
else if( !isUseable() && isUsed() )
{
VoutManager::instance( getIntf() )->discardVout( this );
}
}
void CtrlVideo::attachVoutWindow( VoutWindow* pVoutWindow, int width, int height )
{
width = ( width < 0 ) ? pVoutWindow->getOriginalWidth() : width;
height = ( height < 0 ) ? pVoutWindow->getOriginalHeight() : height;
WindowManager &rWindowManager =
getIntf()->p_sys->p_theme->getWindowManager();
TopWindow* pWin = getWindow();
rWindowManager.show( *pWin );
if( m_bAutoResize && width && height )
{
int newWidth = width + m_xShift;
int newHeight = height + m_yShift;
rWindowManager.startResize( m_rLayout, WindowManager::kResizeSE );
rWindowManager.resize( m_rLayout, newWidth, newHeight );
rWindowManager.stopResize();
}
pVoutWindow->setCtrlVideo( this );
m_pVoutWindow = pVoutWindow;
}
void CtrlVideo::detachVoutWindow( )
{
m_pVoutWindow->setCtrlVideo( NULL );
m_pVoutWindow = NULL;
}
bool CtrlVideo::isUseable( ) const
{
VarBool &rFullscreen = VlcProc::instance( getIntf() )->getFullscreenVar();
return isVisible() // video control is visible
&& m_pLayout->getActiveVar().get() // layout is active
&& getWindow()->getVisibleVar().get() // window is visible
&& !rFullscreen.get(); // fullscreen is off
}
bool CtrlVideo::isUsed( ) const
{
return m_pVoutWindow ? true : false;
}
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