270 lines
9.6 KiB
C++
270 lines
9.6 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <com/sun/star/drawing/XShape.hpp>
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#include <o3tl/safeint.hxx>
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#include <osl/diagnose.h>
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#include "mediashape.hxx"
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#include "viewmediashape.hxx"
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#include "externalshapebase.hxx"
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#include <slideshowcontext.hxx>
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#include <shape.hxx>
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#include <tools.hxx>
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#include <algorithm>
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using namespace ::com::sun::star;
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namespace slideshow::internal
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{
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namespace {
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/** Represents a media shape.
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This implementation offers support for media shapes.
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Such shapes need special treatment.
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*/
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class MediaShape : public ExternalShapeBase
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{
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public:
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/** Create a shape for the given XShape for a media object
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@param xShape
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The XShape to represent.
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@param nPrio
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Externally-determined shape priority (used e.g. for
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paint ordering). This number _must be_ unique!
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*/
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MediaShape( const css::uno::Reference< css::drawing::XShape >& xShape,
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double nPrio,
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const SlideShowContext& rContext ); // throw ShapeLoadFailedException;
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private:
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// View layer methods
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virtual void addViewLayer( const ViewLayerSharedPtr& rNewLayer,
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bool bRedrawLayer ) override;
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virtual bool removeViewLayer( const ViewLayerSharedPtr& rNewLayer ) override;
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virtual void clearAllViewLayers() override;
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// ExternalShapeBase methods
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virtual bool implRender( const ::basegfx::B2DRange& rCurrBounds ) const override;
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virtual void implViewChanged( const UnoViewSharedPtr& rView ) override;
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virtual void implViewsChanged() override;
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virtual bool implStartIntrinsicAnimation() override;
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virtual bool implEndIntrinsicAnimation() override;
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virtual void implPauseIntrinsicAnimation() override;
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virtual bool implIsIntrinsicAnimationPlaying() const override;
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virtual void implSetIntrinsicAnimationTime(double) override;
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void implSetLooping(bool bLooping) override;
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/// the list of active view shapes (one for each registered view layer)
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typedef ::std::vector< ViewMediaShapeSharedPtr > ViewMediaShapeVector;
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ViewMediaShapeVector maViewMediaShapes;
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bool mbIsPlaying;
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OUString maFallbackDir;
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};
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}
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MediaShape::MediaShape( const uno::Reference< drawing::XShape >& xShape,
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double nPrio,
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const SlideShowContext& rContext ) :
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ExternalShapeBase( xShape, nPrio, rContext ),
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maViewMediaShapes(),
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mbIsPlaying(false),
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maFallbackDir(rContext.maFallbackDir)
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{
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}
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void MediaShape::implViewChanged( const UnoViewSharedPtr& rView )
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{
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const ::basegfx::B2DRectangle aBounds = getBounds();
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// determine ViewMediaShape that needs update
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for( const auto& pViewMediaShape : maViewMediaShapes )
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if( pViewMediaShape->getViewLayer()->isOnView( rView ) )
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pViewMediaShape->resize( aBounds );
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}
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void MediaShape::implViewsChanged()
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{
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const ::basegfx::B2DRectangle aBounds = getBounds();
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// resize all ViewShapes
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for( const auto& pViewMediaShape : maViewMediaShapes )
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pViewMediaShape->resize( aBounds );
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}
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void MediaShape::addViewLayer( const ViewLayerSharedPtr& rNewLayer,
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bool bRedrawLayer )
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{
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maViewMediaShapes.push_back(
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std::make_shared<ViewMediaShape>( rNewLayer,
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getXShape(),
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mxComponentContext,
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maFallbackDir ));
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// push new size to view shape
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maViewMediaShapes.back()->resize( getBounds() );
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// render the Shape on the newly added ViewLayer
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if( bRedrawLayer )
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maViewMediaShapes.back()->render( getBounds() );
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}
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bool MediaShape::removeViewLayer( const ViewLayerSharedPtr& rLayer )
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{
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const ViewMediaShapeVector::iterator aEnd( maViewMediaShapes.end() );
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OSL_ENSURE( ::std::count_if(maViewMediaShapes.begin(),
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aEnd,
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[&rLayer]
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( const ViewMediaShapeSharedPtr& pShape )
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{ return rLayer == pShape->getViewLayer(); } ) < 2,
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"MediaShape::removeViewLayer(): Duplicate ViewLayer entries!" );
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// TODO : needed for the moment since ANDROID doesn't know size_t return from std::erase_if
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#if defined ANDROID
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ViewMediaShapeVector::iterator aIter;
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if( (aIter=::std::remove_if( maViewMediaShapes.begin(),
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aEnd,
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[&rLayer]
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( const ViewMediaShapeSharedPtr& pShape )
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{ return rLayer == pShape->getViewLayer(); } ) ) == aEnd )
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{
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// view layer seemingly was not added, failed
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return false;
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}
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// actually erase from container
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maViewMediaShapes.erase( aIter, aEnd );
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return true;
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#else
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size_t nb = std::erase_if(maViewMediaShapes,
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[&rLayer]
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( const ViewMediaShapeSharedPtr& pShape )
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{ return rLayer == pShape->getViewLayer(); } );
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// if nb == 0, it means view media shape seemingly was not added, failed
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return (nb != 0);
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#endif
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}
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void MediaShape::clearAllViewLayers()
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{
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maViewMediaShapes.clear();
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}
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bool MediaShape::implRender( const ::basegfx::B2DRange& rCurrBounds ) const
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{
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// redraw all view shapes, by calling their update() method
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if( o3tl::make_unsigned(::std::count_if( maViewMediaShapes.begin(),
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maViewMediaShapes.end(),
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[&rCurrBounds]
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( const ViewMediaShapeSharedPtr& pShape )
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{ return pShape->render( rCurrBounds ); } ))
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!= maViewMediaShapes.size() )
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{
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// at least one of the ViewShape::update() calls did return
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// false - update failed on at least one ViewLayer
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return false;
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}
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return true;
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}
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bool MediaShape::implStartIntrinsicAnimation()
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{
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for( const auto& pViewMediaShape : maViewMediaShapes )
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pViewMediaShape->startMedia();
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mbIsPlaying = true;
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return true;
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}
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bool MediaShape::implEndIntrinsicAnimation()
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{
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for( const auto& pViewMediaShape : maViewMediaShapes )
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pViewMediaShape->endMedia();
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mbIsPlaying = false;
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return true;
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}
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void MediaShape::implPauseIntrinsicAnimation()
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{
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for( const auto& pViewMediaShape : maViewMediaShapes )
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pViewMediaShape->pauseMedia();
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mbIsPlaying = false;
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}
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bool MediaShape::implIsIntrinsicAnimationPlaying() const
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{
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return mbIsPlaying;
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}
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void MediaShape::implSetIntrinsicAnimationTime(double fTime)
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{
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for( const auto& pViewMediaShape : maViewMediaShapes )
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pViewMediaShape->setMediaTime( fTime );
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}
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void MediaShape::implSetLooping(bool bLooping)
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{
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for (const auto& pViewMediaShape : maViewMediaShapes)
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{
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pViewMediaShape->setLooping(bLooping);
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}
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}
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ShapeSharedPtr createMediaShape(
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const uno::Reference< drawing::XShape >& xShape,
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double nPrio,
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const SlideShowContext& rContext)
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{
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return std::make_shared<MediaShape>(xShape, nPrio, rContext);
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}
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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