/**************************************************************
 * 
 * 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.hpp>
#include <com/sun/star/awt/PosSize.hpp>

#include "macavf_window.hxx"
#include "macavf_player.hxx"

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


namespace avmedia { namespace macavf {

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

Window::Window( const uno::Reference< lang::XMultiServiceFactory >& i_rxMgr, Player& i_rPlayer, NSView* i_pParentView )
:   mxMgr( i_rxMgr )
,   maListeners( maMutex )
,   meZoomLevel( media::ZoomLevel_NOT_AVAILABLE )
,   mrPlayer( i_rPlayer )
,   mnPointerType( awt::SystemPointer::ARROW )
,   mpView( i_pParentView )
,   mpPlayerLayer( NULL )
{
    OSL_TRACE ("Constructing an avmedia::macavf::Window");
    if( !mpView ) // sanity check
        return;

    // check the media asset for video content
    AVPlayer* pAVPlayer = mrPlayer.getAVPlayer();
    AVAsset* pMovie = [[pAVPlayer currentItem] asset];
    const int nVideoCount = [pMovie tracksWithMediaType:AVMediaTypeVideo].count;
    const int nAudioCount = [pMovie tracksWithMediaType:AVMediaTypeAudio].count;
    OSL_TRACE( "Found %d video and %d audio tracks.", nVideoCount, nAudioCount );
    (void)nAudioCount;
    if( nVideoCount <= 0 )
        return;

    // setup the AVPlayerLayer
    [pAVPlayer retain];
    [pAVPlayer pause];
    mpPlayerLayer = [AVPlayerLayer playerLayerWithPlayer:pAVPlayer];
    [mpPlayerLayer retain];
    [mpPlayerLayer setFrame:[mpView frame]];
    [mpPlayerLayer setHidden:YES];
    [mpPlayerLayer setVideoGravity:AVLayerVideoGravityResizeAspectFill];
    [mpPlayerLayer addObserver:getObserver() forKeyPath:@"readyForDisplay" options:0 context:this];

    // setup the target view
    [mpView setWantsLayer:YES];
    [mpView.layer addSublayer:mpPlayerLayer];
}

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

Window::~Window()
{
    [mpPlayerLayer removeObserver:getObserver() forKeyPath:@"readyForDisplay"];
    [mpPlayerLayer release];
}

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

bool Window::create( const ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Any >& aArguments )
{
    return true;
}

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

bool Window::handleObservation( NSString* pKeyPath )
{
    OSL_TRACE( "AVPlayer::handleObservation key=\"%s\"", [pKeyPath UTF8String]);
    const BOOL bReadyForDisplay = [mpPlayerLayer isReadyForDisplay];
    [mpPlayerLayer setHidden:!bReadyForDisplay];
    return true;
}

// XPlayerWindow
// ------------------------------------------------------------------------------

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

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

sal_Bool SAL_CALL Window::setZoomLevel( media::ZoomLevel eZoomLevel )
    throw (uno::RuntimeException)
{
    return false;
}

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

media::ZoomLevel SAL_CALL Window::getZoomLevel(  )
    throw (uno::RuntimeException)
{
    return meZoomLevel;
}

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

void SAL_CALL Window::setPointerType( sal_Int32 nPointerType ) 
    throw (uno::RuntimeException)
{
    mnPointerType = nPointerType;
}

// XWindow
// ------------------------------------------------------------------------------

void SAL_CALL Window::setPosSize( sal_Int32 X, sal_Int32 Y, sal_Int32 Width, sal_Int32 Height, sal_Int16 Flags )
    throw (uno::RuntimeException)
{
    OSL_TRACE( "AVWindow::setPosSize( %dx%d%+d%+d)", (int)Width,(int)Height,(int)X,(int)Y);//######
    if( !mpView )
        return;
    NSRect aRect = [mpView frame];
    // NOTE: if( (Flags & awt::PosSize::WIDTH) )
    aRect.size.width = Width;
    // NOTE: if( (Flags & awt::PosSize::HEIGHT) )
    aRect.size.height = Height;

    [mpView setFrameSize: aRect.size];
    [mpPlayerLayer setFrame: [mpView frame]];
}

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

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

    NSRect aRect = [mpView frame];
    aRet.X = aRet.Y = 0;
    aRet.Width = aRect.size.width;
    aRet.Height = aRect.size.height;

    return aRet;
}

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

void SAL_CALL Window::setVisible( sal_Bool bVisible )
    throw (uno::RuntimeException)
{
    OSL_TRACE ("Window::setVisible(%d)", bVisible);
}

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

void SAL_CALL Window::setEnable( sal_Bool bEnable )
    throw (uno::RuntimeException)
{
    OSL_TRACE ("Window::setEnable(%d)", bEnable);
}

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

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

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

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 );
}


// XComponent
// ------------------------------------------------------------------------------

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 );
}

// XServiceInfo
// ------------------------------------------------------------------------------

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

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

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

    return aRet;
}

} // namespace macavf
} // namespace avmedia