/**************************************************************
 * 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 * 
 *************************************************************/


#include <com/sun/star/awt/SystemPointer.hdl>

#include "window.hxx"
#include "player.hxx"

using namespace ::com::sun::star;

namespace avmedia { namespace xine {

// -----------
// - statics -
// -----------

static ::osl::Mutex& ImplGetOwnStaticMutex()
{
    static ::osl::Mutex* pMutex = NULL;

    if( pMutex == NULL )
    {
        ::osl::MutexGuard aGuard( ::osl::Mutex::getGlobalMutex() );

        if( pMutex == NULL )
        {
            static ::osl::Mutex aMutex;
            pMutex = &aMutex;
        }
    }

    return *pMutex;
}

// -----------
// - WndProc -
// -----------

/*
LRESULT CALLBACK MediaPlayerWndProc( HWND hWnd,UINT nMsg, WPARAM nPar1, LPARAM nPar2 )
{
    Window* pWindow = (Window*) ::GetWindowLong( hWnd, 0 );
    bool    bProcessed = true;

    if( pWindow )
    {
        switch( nMsg )
        {
            case( WM_SETCURSOR ):
                pWindow->updatePointer();
            break;
        
            case( WM_GRAPHNOTIFY ):
                pWindow->processGraphEvent();
            break;
        
            case( WM_MOUSEMOVE ):
            case( WM_LBUTTONDOWN ):
            case( WM_MBUTTONDOWN ):
            case( WM_RBUTTONDOWN ):
            case( WM_LBUTTONUP ):
            case( WM_MBUTTONUP ):
            case( WM_RBUTTONUP ):
            {
                awt::MouseEvent aUNOEvt;
                POINT           aWinPoint;
                
                if( !::GetCursorPos( &aWinPoint ) || !::ScreenToClient( hWnd, &aWinPoint ) )
                {
                    aWinPoint.x = GET_X_LPARAM( nPar2 ); 
                    aWinPoint.y = GET_Y_LPARAM( nPar2 ); 
                }
                aUNOEvt.Modifiers = 0;
                aUNOEvt.Buttons = 0;
                aUNOEvt.X = aWinPoint.x;
                aUNOEvt.Y = aWinPoint.y;
                aUNOEvt.PopupTrigger = false;

                // Modifiers
                if( nPar1 & MK_SHIFT )
                    aUNOEvt.Modifiers |= awt::KeyModifier::SHIFT;

                if( nPar1 & MK_CONTROL )
                    aUNOEvt.Modifiers |= awt::KeyModifier::MOD1;

                // Buttons
                if( WM_LBUTTONDOWN == nMsg || WM_LBUTTONUP == nMsg )
                    aUNOEvt.Buttons |= awt::MouseButton::LEFT;

                if( WM_MBUTTONDOWN == nMsg || WM_MBUTTONUP == nMsg )
                    aUNOEvt.Buttons |= awt::MouseButton::MIDDLE;

                if( WM_RBUTTONDOWN == nMsg || WM_RBUTTONUP == nMsg )
                    aUNOEvt.Buttons |= awt::MouseButton::RIGHT;

                // event type
                if( WM_LBUTTONDOWN == nMsg ||
                    WM_MBUTTONDOWN == nMsg ||
                    WM_RBUTTONDOWN == nMsg )
                {
                    aUNOEvt.ClickCount = 1;
                    pWindow->fireMousePressedEvent( aUNOEvt );
                }
                else if( WM_LBUTTONUP == nMsg ||
                         WM_MBUTTONUP == nMsg ||
                         WM_RBUTTONUP == nMsg )
                {
                    aUNOEvt.ClickCount = 1;
                    pWindow->fireMouseReleasedEvent( aUNOEvt );
                }
                else if( WM_MOUSEMOVE == nMsg )
                {
                    aUNOEvt.ClickCount = 0;
                    pWindow->fireMouseMovedEvent( aUNOEvt );
                    pWindow->updatePointer();
                }
            }
            break;

            case( WM_SETFOCUS ):
            {
                const awt::FocusEvent aUNOEvt;
                pWindow->fireSetFocusEvent( aUNOEvt );
            }
            break;

            default:
                bProcessed = false;
            break;
        }
    }
    else
        bProcessed = false;

    return( bProcessed ? 0 : DefWindowProc( hWnd, nMsg, nPar1, nPar2 ) );
}
*/

// ---------------
// - Window -
// ---------------

Window::Window( Player& rPlayer ) :
    mrPlayer( rPlayer ),
    maListeners( maMutex ),
    meZoomLevel( media::ZoomLevel_NOT_AVAILABLE ),
    mnPointerType( awt::SystemPointer::ARROW )
{
    ::osl::MutexGuard aGuard( ImplGetOwnStaticMutex() );
}

// ------------------------------------------------------------------------------

Window::~Window()
{
}

// ------------------------------------------------------------------------------

void Window::implLayoutVideoWindow()
{
    if( 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;
        }

        /*
		IVideoWindow* pVideoWindow = const_cast< IVideoWindow* >( mrPlayer.getVideoWindow() );

        if( pVideoWindow )
            pVideoWindow->SetWindowPosition( nX, nY, nWidth, nHeight );
		*/
    }
}

// ------------------------------------------------------------------------------

bool Window::create( const uno::Sequence< uno::Any >& /*rArguments*/ )
{
	bool bRet = false;
	
	return bRet;
}

// ------------------------------------------------------------------------------

void SAL_CALL Window::update(  )
    throw (uno::RuntimeException)
{
}

// ------------------------------------------------------------------------------

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)
{
    mnPointerType = nPointerType;
}

// ------------------------------------------------------------------------------

void SAL_CALL Window::setPosSize( sal_Int32 /*X*/, sal_Int32 /*Y*/, sal_Int32 /*Width*/, sal_Int32 /*Height*/, sal_Int16 /*Flags*/ )
    throw (uno::RuntimeException)
{
    implLayoutVideoWindow();
}

// ------------------------------------------------------------------------------

awt::Rectangle SAL_CALL Window::getPosSize()
    throw (uno::RuntimeException)
{
    awt::Rectangle aRet;

    return aRet;
}

// ------------------------------------------------------------------------------

void SAL_CALL Window::setVisible( sal_Bool /* bVisible */ )
    throw (uno::RuntimeException)
{
}

// ------------------------------------------------------------------------------

void SAL_CALL Window::setEnable( sal_Bool /* bEnable */ )
    throw (uno::RuntimeException)
{
}

// ------------------------------------------------------------------------------

void SAL_CALL Window::setFocus(  )
    throw (uno::RuntimeException)
{
}

// ------------------------------------------------------------------------------

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)
{
}

// ------------------------------------------------------------------------------

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 );
    }
}

// ------------------------------------------------------------------------------

::rtl::OUString SAL_CALL Window::getImplementationName(  )
    throw (uno::RuntimeException)
{
    return ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( AVMEDIA_XINE_WINDOW_IMPLEMENTATIONNAME ) );
}

// ------------------------------------------------------------------------------

sal_Bool SAL_CALL Window::supportsService( const ::rtl::OUString& ServiceName )
    throw (uno::RuntimeException)
{
    return ServiceName.equalsAsciiL( RTL_CONSTASCII_STRINGPARAM ( AVMEDIA_XINE_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_XINE_WINDOW_SERVICENAME ) );

    return aRet;
}

} // namespace xine
} // namespace avmedia