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diff --git a/avmedia/source/macavf/window.mm b/avmedia/source/macavf/window.mm
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   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 .
+ */
+
+#include <com/sun/star/awt/SystemPointer.hpp>
+#include <com/sun/star/awt/PosSize.hpp>
+
+#include "window.hxx"
+#include "player.hxx"
+
+using namespace ::com::sun::star;
+
+
+namespace avmedia::macavf {
+
+Window::Window( Player& i_rPlayer, NSView* i_pParentView )
+:   maListeners( maMutex )
+,   meZoomLevel( media::ZoomLevel_NOT_AVAILABLE )
+,   mrPlayer( i_rPlayer )
+,   mnPointerType( awt::SystemPointer::ARROW )
+,   mpView( i_pParentView )
+,   mpPlayerLayer( nullptr )
+{
+    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;
+    if( nVideoCount <= 0 )
+        return;
+
+    // setup the AVPlayerLayer
+    [pAVPlayer retain];
+    [pAVPlayer pause];
+    mpPlayerLayer = [AVPlayerLayer playerLayerWithPlayer:pAVPlayer];
+    [mpPlayerLayer retain];
+    NSRect viewFrame = [mpView frame];
+    [mpPlayerLayer setFrame:CGRectMake(viewFrame.origin.x, viewFrame.origin.y, viewFrame.size.width, viewFrame.size.height)];
+    [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::handleObservation( NSString* /*pKeyPath*/ )
+{
+    const bool bReadyForDisplay = [mpPlayerLayer isReadyForDisplay];
+    [mpPlayerLayer setHidden:!bReadyForDisplay];
+    return true;
+}
+
+// XPlayerWindow
+
+void SAL_CALL Window::update()
+{}
+
+
+sal_Bool SAL_CALL Window::setZoomLevel( media::ZoomLevel /* eZoomLevel */ )
+{
+    return false;
+}
+
+
+media::ZoomLevel SAL_CALL Window::getZoomLevel(  )
+{
+    return meZoomLevel;
+}
+
+
+void SAL_CALL Window::setPointerType( sal_Int32 nPointerType )
+{
+    mnPointerType = nPointerType;
+}
+
+// XWindow
+
+void SAL_CALL Window::setPosSize( sal_Int32 /*X*/, sal_Int32 /*Y*/, sal_Int32 Width, sal_Int32 Height, sal_Int16 /* Flags */ )
+{
+    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];
+    NSRect viewFrame = [mpView frame];
+    [mpPlayerLayer setFrame:CGRectMake(viewFrame.origin.x, viewFrame.origin.y, viewFrame.size.width, viewFrame.size.height)];
+}
+
+
+awt::Rectangle SAL_CALL Window::getPosSize()
+{
+    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*/ )
+{
+}
+
+
+void SAL_CALL Window::setEnable( sal_Bool /*bEnable*/ )
+{
+}
+
+
+void SAL_CALL Window::setFocus()
+{
+}
+
+
+void SAL_CALL Window::addWindowListener( const uno::Reference< awt::XWindowListener >& xListener )
+{
+    maListeners.addInterface( cppu::UnoType<decltype(xListener)>::get(), xListener );
+}
+
+
+void SAL_CALL Window::removeWindowListener( const uno::Reference< awt::XWindowListener >& xListener )
+{
+    maListeners.removeInterface( cppu::UnoType<decltype(xListener)>::get(), xListener );
+}
+
+
+void SAL_CALL Window::addFocusListener( const uno::Reference< awt::XFocusListener >& xListener )
+{
+    maListeners.addInterface( cppu::UnoType<decltype(xListener)>::get(), xListener );
+}
+
+
+void SAL_CALL Window::removeFocusListener( const uno::Reference< awt::XFocusListener >& xListener )
+{
+    maListeners.removeInterface( cppu::UnoType<decltype(xListener)>::get(), xListener );
+}
+
+
+void SAL_CALL Window::addKeyListener( const uno::Reference< awt::XKeyListener >& xListener )
+{
+    maListeners.addInterface( cppu::UnoType<decltype(xListener)>::get(), xListener );
+}
+
+
+void SAL_CALL Window::removeKeyListener( const uno::Reference< awt::XKeyListener >& xListener )
+{
+    maListeners.removeInterface( cppu::UnoType<decltype(xListener)>::get(), xListener );
+}
+
+
+void SAL_CALL Window::addMouseListener( const uno::Reference< awt::XMouseListener >& xListener )
+{
+    maListeners.addInterface( cppu::UnoType<decltype(xListener)>::get(), xListener );
+}
+
+
+void SAL_CALL Window::removeMouseListener( const uno::Reference< awt::XMouseListener >& xListener )
+{
+    maListeners.removeInterface( cppu::UnoType<decltype(xListener)>::get(), xListener );
+}
+
+
+void SAL_CALL Window::addMouseMotionListener( const uno::Reference< awt::XMouseMotionListener >& xListener )
+{
+    maListeners.addInterface( cppu::UnoType<decltype(xListener)>::get(), xListener );
+}
+
+
+void SAL_CALL Window::removeMouseMotionListener( const uno::Reference< awt::XMouseMotionListener >& xListener )
+{
+    maListeners.removeInterface( cppu::UnoType<decltype(xListener)>::get(), xListener );
+}
+
+
+void SAL_CALL Window::addPaintListener( const uno::Reference< awt::XPaintListener >& xListener )
+{
+    maListeners.addInterface( cppu::UnoType<decltype(xListener)>::get(), xListener );
+}
+
+
+void SAL_CALL Window::removePaintListener( const uno::Reference< awt::XPaintListener >& xListener )
+{
+    maListeners.removeInterface( cppu::UnoType<decltype(xListener)>::get(), xListener );
+}
+
+
+// XComponent
+
+void SAL_CALL Window::dispose(  )
+{
+}
+
+
+void SAL_CALL Window::addEventListener( const uno::Reference< lang::XEventListener >& xListener )
+{
+    maListeners.addInterface( cppu::UnoType<decltype(xListener)>::get(), xListener );
+}
+
+
+void SAL_CALL Window::removeEventListener( const uno::Reference< lang::XEventListener >& xListener )
+{
+    maListeners.removeInterface( cppu::UnoType<decltype(xListener)>::get(), xListener );
+}
+
+// XServiceInfo
+
+OUString SAL_CALL Window::getImplementationName(  )
+{
+    return AVMEDIA_MACAVF_WINDOW_IMPLEMENTATIONNAME;
+}
+
+
+sal_Bool SAL_CALL Window::supportsService( const OUString& ServiceName )
+{
+    return ServiceName == AVMEDIA_MACAVF_WINDOW_SERVICENAME;
+}
+
+
+uno::Sequence< OUString > SAL_CALL Window::getSupportedServiceNames(  )
+{
+    return { AVMEDIA_MACAVF_WINDOW_SERVICENAME };
+}
+
+} // namespace avmedia::macavf
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */