office-gobmx/avmedia/source/gstreamer/gstwindow.cxx

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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: window.cxx,v $
* $Revision: 1.5 $
*
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*
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* only, as published by the Free Software Foundation.
*
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
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#include <tools/prex.h>
#include <tools/postx.h>
#include <com/sun/star/awt/SystemPointer.hdl>
#include "gstwindow.hxx"
#include "gstplayer.hxx"
#include <vcl/syschild.hxx>
#include <vcl/sysdata.hxx>
using namespace ::com::sun::star;
namespace avmedia
{
namespace gst
{
// ---------------------
// - PlayerChildWindow -
// ---------------------
class PlayerChildWindow : public SystemChildWindow
{
public:
PlayerChildWindow( Window* pParent );
~PlayerChildWindow();
protected:
virtual void MouseMove( const MouseEvent& rMEvt );
virtual void MouseButtonDown( const MouseEvent& rMEvt );
virtual void MouseButtonUp( const MouseEvent& rMEvt );
virtual void KeyInput( const KeyEvent& rKEvt );
virtual void KeyUp( const KeyEvent& rKEvt );
virtual void Command( const CommandEvent& rCEvt );
};
// ---------------------------------------------------------------------
PlayerChildWindow::PlayerChildWindow( Window* pParent ) :
SystemChildWindow( pParent, WB_CLIPCHILDREN )
{
}
// ---------------------------------------------------------------------
PlayerChildWindow::~PlayerChildWindow()
{
}
// ---------------------------------------------------------------------
void PlayerChildWindow::MouseMove( const MouseEvent& rMEvt )
{
const MouseEvent aTransformedEvent( GetParent()->ScreenToOutputPixel( OutputToScreenPixel( rMEvt.GetPosPixel() ) ),
rMEvt.GetClicks(), rMEvt.GetMode(), rMEvt.GetButtons(), rMEvt.GetModifier() );
SystemChildWindow::MouseMove( rMEvt );
GetParent()->MouseMove( aTransformedEvent );
}
// ---------------------------------------------------------------------
void PlayerChildWindow::MouseButtonDown( const MouseEvent& rMEvt )
{
const MouseEvent aTransformedEvent( GetParent()->ScreenToOutputPixel( OutputToScreenPixel( rMEvt.GetPosPixel() ) ),
rMEvt.GetClicks(), rMEvt.GetMode(), rMEvt.GetButtons(), rMEvt.GetModifier() );
SystemChildWindow::MouseButtonDown( rMEvt );
GetParent()->MouseButtonDown( aTransformedEvent );
}
// ---------------------------------------------------------------------
void PlayerChildWindow::MouseButtonUp( const MouseEvent& rMEvt )
{
const MouseEvent aTransformedEvent( GetParent()->ScreenToOutputPixel( OutputToScreenPixel( rMEvt.GetPosPixel() ) ),
rMEvt.GetClicks(), rMEvt.GetMode(), rMEvt.GetButtons(), rMEvt.GetModifier() );
SystemChildWindow::MouseButtonUp( rMEvt );
GetParent()->MouseButtonUp( aTransformedEvent );
}
// ---------------------------------------------------------------------
void PlayerChildWindow::KeyInput( const KeyEvent& rKEvt )
{
SystemChildWindow::KeyInput( rKEvt );
GetParent()->KeyInput( rKEvt );
}
// ---------------------------------------------------------------------
void PlayerChildWindow::KeyUp( const KeyEvent& rKEvt )
{
SystemChildWindow::KeyUp( rKEvt );
GetParent()->KeyUp( rKEvt );
}
// ---------------------------------------------------------------------
void PlayerChildWindow::Command( const CommandEvent& rCEvt )
{
const CommandEvent aTransformedEvent( GetParent()->ScreenToOutputPixel( OutputToScreenPixel( rCEvt.GetMousePosPixel() ) ),
rCEvt.GetCommand(), rCEvt.IsMouseEvent(), rCEvt.GetData() );
SystemChildWindow::Command( rCEvt );
GetParent()->Command( aTransformedEvent );
}
// ---------------
// - Window -
// ---------------
Window::Window( ::avmedia::gst::Player& rPlayer ) :
maListeners( maMutex ),
maWindowRect( 0, 0, 0, 0 ),
mrPlayer( rPlayer ),
mpPlayerWindow( NULL ),
meZoomLevel( media::ZoomLevel_NOT_AVAILABLE ),
mnPointerType( awt::SystemPointer::ARROW )
{}
// ------------------------------------------------------------------------------
Window::~Window()
{
dispose();
}
// ------------------------------------------------------------------------------
void Window::implLayoutVideoWindow()
{
if( mpPlayerWindow && ( media::ZoomLevel_NOT_AVAILABLE != meZoomLevel ) )
{
awt::Size aPrefSize( mrPlayer.getPreferredPlayerWindowSize() );
awt::Rectangle aRect = getPosSize();
int nW = aRect.Width, nH = aRect.Height;
int nVideoW = nW, nVideoH = nH;
int nX = 0, nY = 0, nWidth = 0, nHeight = 0;
bool bDone = false, bZoom = false;
if( media::ZoomLevel_ORIGINAL == meZoomLevel )
{
bZoom = true;
}
else if( media::ZoomLevel_ZOOM_1_TO_4 == meZoomLevel )
{
aPrefSize.Width >>= 2;
aPrefSize.Height >>= 2;
bZoom = true;
}
else if( media::ZoomLevel_ZOOM_1_TO_2 == meZoomLevel )
{
aPrefSize.Width >>= 1;
aPrefSize.Height >>= 1;
bZoom = true;
}
else if( media::ZoomLevel_ZOOM_2_TO_1 == meZoomLevel )
{
aPrefSize.Width <<= 1;
aPrefSize.Height <<= 1;
bZoom = true;
}
else if( media::ZoomLevel_ZOOM_4_TO_1 == meZoomLevel )
{
aPrefSize.Width <<= 2;
aPrefSize.Height <<= 2;
bZoom = true;
}
else if( media::ZoomLevel_FIT_TO_WINDOW == meZoomLevel )
{
nWidth = nVideoW;
nHeight = nVideoH;
bDone = true;
}
if( bZoom )
{
if( ( aPrefSize.Width <= nVideoW ) && ( aPrefSize.Height <= nVideoH ) )
{
nX = ( nVideoW - aPrefSize.Width ) >> 1;
nY = ( nVideoH - aPrefSize.Height ) >> 1;
nWidth = aPrefSize.Width;
nHeight = aPrefSize.Height;
bDone = true;
}
}
if( !bDone )
{
if( ( aPrefSize.Width > 0 ) && ( aPrefSize.Height > 0 ) && ( nVideoW > 0 ) && ( nVideoH > 0 ) )
{
double fPrefWH = (double) aPrefSize.Width / aPrefSize.Height;
if( fPrefWH < ( (double) nVideoW / nVideoH ) )
{
nVideoW = (int) ( nVideoH * fPrefWH );
}
else
{
nVideoH = (int) ( nVideoW / fPrefWH );
}
nX = ( nW - nVideoW ) >> 1;
nY = ( nH - nVideoH ) >> 1;
nWidth = nVideoW;
nHeight = nVideoH;
}
else
{
nX = nY = nWidth = nHeight = 0;
}
}
mpPlayerWindow->SetPosSizePixel( Point( nX, nY ), Size( nWidth, nHeight ) );
}
}
// ------------------------------------------------------------------------------
bool Window::create( const uno::Sequence< uno::Any >& rArguments )
{
OSL_ASSERT( !mpPlayerWindow );
OSL_ENSURE( rArguments.getLength() > 2,
"::avmedia::gst::Windiow::create: GStreamer backend needs \
valid parent SystemChildWindow pointer (sal_IntPtr) as third Any \
value in sequence of arguments" );
bool bRet = false;
if( !mpPlayerWindow && ( rArguments.getLength() > 2 ) )
{
SystemChildWindow* pParentWindow = NULL;
sal_IntPtr pIntPtr = NULL;
// we are not interested in the first argument, which is a pure X11 window handle;
// this backend relies on a SystemChildWindow as parent for the PlayerWindow, given
// as third Sal_IntPtr value within the argument Sequence
rArguments[ 1 ] >>= maWindowRect;
rArguments[ 2 ] >>= pIntPtr;
pParentWindow = reinterpret_cast< SystemChildWindow* >( pIntPtr );
if( pParentWindow )
{
meZoomLevel = media::ZoomLevel_ORIGINAL;
mpPlayerWindow = new PlayerChildWindow( pParentWindow );
mpPlayerWindow->SetBackground( Color( COL_BLACK ) );
mpPlayerWindow->SetPosSizePixel( Point( maWindowRect.X, maWindowRect.Y ),
Size( maWindowRect.Width, maWindowRect.Height ) );
mpPlayerWindow->Show();
bRet = true;
}
}
return( bRet );
}
// ------------------------------------------------------------------------------
void SAL_CALL Window::update()
throw( uno::RuntimeException )
{
if( mpPlayerWindow )
{
mpPlayerWindow->Invalidate( INVALIDATE_UPDATE );
mpPlayerWindow->Sync();
}
}
// ------------------------------------------------------------------------------
sal_Bool SAL_CALL Window::setZoomLevel( media::ZoomLevel eZoomLevel )
throw(uno::RuntimeException)
{
bool bRet = false;
if( ( media::ZoomLevel_NOT_AVAILABLE != meZoomLevel ) &&
( media::ZoomLevel_NOT_AVAILABLE != eZoomLevel ) )
{
if( eZoomLevel != meZoomLevel )
{
meZoomLevel = eZoomLevel;
implLayoutVideoWindow();
}
bRet = true;
}
return( bRet );
}
// ------------------------------------------------------------------------------
media::ZoomLevel SAL_CALL Window::getZoomLevel()
throw( uno::RuntimeException )
{
return( meZoomLevel );
}
// ------------------------------------------------------------------------------
void SAL_CALL Window::setPointerType( sal_Int32 nPointerType )
throw( uno::RuntimeException )
{
if( mpPlayerWindow )
{
Pointer ePointer = POINTER_ARROW;
switch( nPointerType )
{
case (awt::SystemPointer::CROSS) :
{
ePointer = POINTER_CROSS;
}
break;
case (awt::SystemPointer::HAND) :
{
ePointer = POINTER_HAND;
}
break;
case (awt::SystemPointer::MOVE) :
{
ePointer = POINTER_MOVE;
}
break;
case (awt::SystemPointer::WAIT) :
{
ePointer = POINTER_WAIT;
}
break;
default:
break;
}
mpPlayerWindow->SetPointer( ePointer );
}
}
// ------------------------------------------------------------------------------
void SAL_CALL Window::setPosSize( sal_Int32 nX,
sal_Int32 nY,
sal_Int32 nWidth,
sal_Int32 nHeight,
sal_Int16 /* Flags */ )
throw( uno::RuntimeException )
{
maWindowRect.X = nX;
maWindowRect.Y = nY;
maWindowRect.Width = nWidth;
maWindowRect.Height = nHeight;
implLayoutVideoWindow();
}
// ------------------------------------------------------------------------------
awt::Rectangle SAL_CALL Window::getPosSize()
throw( uno::RuntimeException )
{
return( maWindowRect );
}
// ------------------------------------------------------------------------------
void SAL_CALL Window::setVisible( sal_Bool bVisible )
throw( uno::RuntimeException )
{
if( mpPlayerWindow )
{
bVisible ? mpPlayerWindow->Show() : mpPlayerWindow->Hide();
}
}
// ------------------------------------------------------------------------------
void SAL_CALL Window::setEnable( sal_Bool bEnable )
throw( uno::RuntimeException )
{
if( mpPlayerWindow )
{
mpPlayerWindow->Enable( bEnable );
}
}
// ------------------------------------------------------------------------------
void SAL_CALL Window::setFocus()
throw( uno::RuntimeException )
{
if( mpPlayerWindow )
{
mpPlayerWindow->GrabFocus();
}
}
// ------------------------------------------------------------------------------
void SAL_CALL Window::addWindowListener( const uno::Reference< awt::XWindowListener >& xListener )
throw( uno::RuntimeException )
{
maListeners.addInterface( getCppuType( &xListener ), xListener );
}
// ------------------------------------------------------------------------------
void SAL_CALL Window::removeWindowListener( const uno::Reference< awt::XWindowListener >& xListener )
throw( uno::RuntimeException )
{
maListeners.removeInterface( getCppuType( &xListener ), xListener );
}
// ------------------------------------------------------------------------------
void SAL_CALL Window::addFocusListener( const uno::Reference< awt::XFocusListener >& xListener )
throw( uno::RuntimeException )
{
maListeners.addInterface( getCppuType( &xListener ), xListener );
}
// ------------------------------------------------------------------------------
void SAL_CALL Window::removeFocusListener( const uno::Reference< awt::XFocusListener >& xListener )
throw( uno::RuntimeException )
{
maListeners.removeInterface( getCppuType( &xListener ), xListener );
}
// ------------------------------------------------------------------------------
void SAL_CALL Window::addKeyListener( const uno::Reference< awt::XKeyListener >& xListener )
throw( uno::RuntimeException )
{
maListeners.addInterface( getCppuType( &xListener ), xListener );
}
// ------------------------------------------------------------------------------
void SAL_CALL Window::removeKeyListener( const uno::Reference< awt::XKeyListener >& xListener )
throw( uno::RuntimeException )
{
maListeners.removeInterface( getCppuType( &xListener ), xListener );
}
// ------------------------------------------------------------------------------
void SAL_CALL Window::addMouseListener( const uno::Reference< awt::XMouseListener >& xListener )
throw( uno::RuntimeException )
{
maListeners.addInterface( getCppuType( &xListener ), xListener );
}
// ------------------------------------------------------------------------------
void SAL_CALL Window::removeMouseListener( const uno::Reference< awt::XMouseListener >& xListener )
throw( uno::RuntimeException )
{
maListeners.removeInterface( getCppuType( &xListener ), xListener );
}
// ------------------------------------------------------------------------------
void SAL_CALL Window::addMouseMotionListener( const uno::Reference< awt::XMouseMotionListener >& xListener )
throw( uno::RuntimeException )
{
maListeners.addInterface( getCppuType( &xListener ), xListener );
}
// ------------------------------------------------------------------------------
void SAL_CALL Window::removeMouseMotionListener( const uno::Reference< awt::XMouseMotionListener >& xListener )
throw( uno::RuntimeException )
{
maListeners.removeInterface( getCppuType( &xListener ), xListener );
}
// ------------------------------------------------------------------------------
void SAL_CALL Window::addPaintListener( const uno::Reference< awt::XPaintListener >& xListener )
throw( uno::RuntimeException )
{
maListeners.addInterface( getCppuType( &xListener ), xListener );
}
// ------------------------------------------------------------------------------
void SAL_CALL Window::removePaintListener( const uno::Reference< awt::XPaintListener >& xListener )
throw( uno::RuntimeException )
{
maListeners.removeInterface( getCppuType( &xListener ), xListener );
}
// ------------------------------------------------------------------------------
void SAL_CALL Window::dispose()
throw( uno::RuntimeException )
{
delete mpPlayerWindow;
mpPlayerWindow = NULL;
}
// ------------------------------------------------------------------------------
void SAL_CALL Window::addEventListener( const uno::Reference< lang::XEventListener >& xListener )
throw( uno::RuntimeException )
{
maListeners.addInterface( getCppuType( &xListener ), xListener );
}
// ------------------------------------------------------------------------------
void SAL_CALL Window::removeEventListener( const uno::Reference< lang::XEventListener >&
xListener )
throw( uno::RuntimeException )
{
maListeners.removeInterface( getCppuType( &xListener ), xListener );
}
// ------------------------------------------------------------------------------
void Window::fireMousePressedEvent( const ::com::sun::star::awt::MouseEvent& rEvt )
{
::cppu::OInterfaceContainerHelper* pContainer =
maListeners.getContainer( getCppuType( ( uno::Reference< awt::XMouseListener >* ) 0 ) );
if( pContainer )
{
::cppu::OInterfaceIteratorHelper aIter( *pContainer );
while( aIter.hasMoreElements() )
{
uno::Reference< awt::XMouseListener >( aIter.next(),
uno::UNO_QUERY )->mousePressed( rEvt );
}
}
}
// -----------------------------------------------------------------------------
void Window::fireMouseReleasedEvent( const ::com::sun::star::awt::MouseEvent& rEvt )
{
::cppu::OInterfaceContainerHelper* pContainer =
maListeners.getContainer( getCppuType( ( uno::Reference< awt::XMouseListener >* ) 0 ) );
if( pContainer )
{
::cppu::OInterfaceIteratorHelper aIter( *pContainer );
while( aIter.hasMoreElements() )
{
uno::Reference< awt::XMouseListener >( aIter.next(),
uno::UNO_QUERY )->mouseReleased( rEvt );
}
}
}
// -----------------------------------------------------------------------------
void Window::fireMouseMovedEvent( const ::com::sun::star::awt::MouseEvent& rEvt )
{
::cppu::OInterfaceContainerHelper* pContainer =
maListeners.getContainer( getCppuType( ( uno::Reference< awt::XMouseMotionListener >* )
0 ) );
if( pContainer )
{
::cppu::OInterfaceIteratorHelper aIter( *pContainer );
while( aIter.hasMoreElements() )
{
uno::Reference< awt::XMouseMotionListener >( aIter.next(),
uno::UNO_QUERY )->mouseMoved( rEvt );
}
}
}
// -----------------------------------------------------------------------------
void Window::fireSetFocusEvent( const ::com::sun::star::awt::FocusEvent& rEvt )
{
::cppu::OInterfaceContainerHelper* pContainer =
maListeners.getContainer( getCppuType( ( uno::Reference< awt::XFocusListener >* ) 0 ) );
if( pContainer )
{
::cppu::OInterfaceIteratorHelper aIter( *pContainer );
while( aIter.hasMoreElements() )
{
uno::Reference< awt::XFocusListener >( aIter.next(),
uno::UNO_QUERY )->focusGained( rEvt );
}
}
}
// ------------------------------------------------------------------------------
long Window::getXWindowHandle() const
{
return( mpPlayerWindow ? mpPlayerWindow->GetSystemData()->aWindow : 0 );
}
// ------------------------------------------------------------------------------
::rtl::OUString SAL_CALL Window::getImplementationName()
throw( uno::RuntimeException )
{
return( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM(
AVMEDIA_GSTREAMER_WINDOW_IMPLEMENTATIONNAME ) ) );
}
// ------------------------------------------------------------------------------
sal_Bool SAL_CALL Window::supportsService( const ::rtl::OUString& ServiceName )
throw( uno::RuntimeException )
{
return( ServiceName.equalsAsciiL( RTL_CONSTASCII_STRINGPARAM(
AVMEDIA_GSTREAMER_WINDOW_SERVICENAME ) ) );
}
// ------------------------------------------------------------------------------
uno::Sequence< ::rtl::OUString > SAL_CALL Window::getSupportedServiceNames()
throw( uno::RuntimeException )
{
uno::Sequence< ::rtl::OUString > aRet( 1 );
aRet[ 0 ] = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( AVMEDIA_GSTREAMER_WINDOW_SERVICENAME ) );
return( aRet );
}
} // namespace gst
} // namespace avmedia