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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/drawing/XShape.hpp>
#include "mediashape.hxx"
#include "viewmediashape.hxx"
#include "externalshapebase.hxx"
#include <slideshowcontext.hxx>
#include <shape.hxx>
#include <tools.hxx>
#include <algorithm>
using namespace ::com::sun::star;
namespace slideshow::internal
{
namespace {
/** Represents a media shape.
This implementation offers support for media shapes.
Such shapes need special treatment.
*/
class MediaShape : public ExternalShapeBase
{
public:
/** Create a shape for the given XShape for a media object
@param xShape
The XShape to represent.
@param nPrio
Externally-determined shape priority (used e.g. for
paint ordering). This number _must be_ unique!
*/
MediaShape( const css::uno::Reference< css::drawing::XShape >& xShape,
double nPrio,
const SlideShowContext& rContext ); // throw ShapeLoadFailedException;
private:
// View layer methods
virtual void addViewLayer( const ViewLayerSharedPtr& rNewLayer,
bool bRedrawLayer ) override;
virtual bool removeViewLayer( const ViewLayerSharedPtr& rNewLayer ) override;
virtual void clearAllViewLayers() override;
// ExternalShapeBase methods
virtual bool implRender( const ::basegfx::B2DRange& rCurrBounds ) const override;
virtual void implViewChanged( const UnoViewSharedPtr& rView ) override;
virtual void implViewsChanged() override;
virtual bool implStartIntrinsicAnimation() override;
virtual bool implEndIntrinsicAnimation() override;
virtual void implPauseIntrinsicAnimation() override;
virtual bool implIsIntrinsicAnimationPlaying() const override;
virtual void implSetIntrinsicAnimationTime(double) override;
/// the list of active view shapes (one for each registered view layer)
typedef ::std::vector< ViewMediaShapeSharedPtr > ViewMediaShapeVector;
ViewMediaShapeVector maViewMediaShapes;
bool mbIsPlaying;
};
}
MediaShape::MediaShape( const uno::Reference< drawing::XShape >& xShape,
double nPrio,
const SlideShowContext& rContext ) :
ExternalShapeBase( xShape, nPrio, rContext ),
maViewMediaShapes(),
mbIsPlaying(false)
{
}
void MediaShape::implViewChanged( const UnoViewSharedPtr& rView )
{
const ::basegfx::B2DRectangle& rBounds = getBounds();
// determine ViewMediaShape that needs update
for( const auto& pViewMediaShape : maViewMediaShapes )
if( pViewMediaShape->getViewLayer()->isOnView( rView ) )
pViewMediaShape->resize( rBounds );
}
void MediaShape::implViewsChanged()
{
const ::basegfx::B2DRectangle& rBounds = getBounds();
// resize all ViewShapes
for( const auto& pViewMediaShape : maViewMediaShapes )
pViewMediaShape->resize( rBounds );
}
void MediaShape::addViewLayer( const ViewLayerSharedPtr& rNewLayer,
bool bRedrawLayer )
{
maViewMediaShapes.push_back(
std::make_shared<ViewMediaShape>( rNewLayer,
getXShape(),
mxComponentContext ));
// push new size to view shape
maViewMediaShapes.back()->resize( getBounds() );
// render the Shape on the newly added ViewLayer
if( bRedrawLayer )
maViewMediaShapes.back()->render( getBounds() );
}
bool MediaShape::removeViewLayer( const ViewLayerSharedPtr& rLayer )
{
const ViewMediaShapeVector::iterator aEnd( maViewMediaShapes.end() );
OSL_ENSURE( ::std::count_if(maViewMediaShapes.begin(),
aEnd,
[&rLayer]
( const ViewMediaShapeSharedPtr& pShape )
{ return rLayer == pShape->getViewLayer(); } ) < 2,
"MediaShape::removeViewLayer(): Duplicate ViewLayer entries!" );
ViewMediaShapeVector::iterator aIter;
if( (aIter=::std::remove_if( maViewMediaShapes.begin(),
aEnd,
[&rLayer]
( const ViewMediaShapeSharedPtr& pShape )
{ return rLayer == pShape->getViewLayer(); } ) ) == aEnd )
{
// view layer seemingly was not added, failed
return false;
}
// actually erase from container
maViewMediaShapes.erase( aIter, aEnd );
return true;
}
void MediaShape::clearAllViewLayers()
{
maViewMediaShapes.clear();
}
bool MediaShape::implRender( const ::basegfx::B2DRange& rCurrBounds ) const
{
// redraw all view shapes, by calling their update() method
if( ::std::count_if( maViewMediaShapes.begin(),
maViewMediaShapes.end(),
[&rCurrBounds]
( const ViewMediaShapeSharedPtr& pShape )
{ return pShape->render( rCurrBounds ); } )
!= static_cast<ViewMediaShapeVector::difference_type>(maViewMediaShapes.size()) )
{
// at least one of the ViewShape::update() calls did return
// false - update failed on at least one ViewLayer
return false;
}
return true;
}
bool MediaShape::implStartIntrinsicAnimation()
{
for( const auto& pViewMediaShape : maViewMediaShapes )
pViewMediaShape->startMedia();
mbIsPlaying = true;
return true;
}
bool MediaShape::implEndIntrinsicAnimation()
{
for( const auto& pViewMediaShape : maViewMediaShapes )
pViewMediaShape->endMedia();
mbIsPlaying = false;
return true;
}
void MediaShape::implPauseIntrinsicAnimation()
{
for( const auto& pViewMediaShape : maViewMediaShapes )
pViewMediaShape->pauseMedia();
mbIsPlaying = false;
}
bool MediaShape::implIsIntrinsicAnimationPlaying() const
{
return mbIsPlaying;
}
void MediaShape::implSetIntrinsicAnimationTime(double fTime)
{
for( const auto& pViewMediaShape : maViewMediaShapes )
pViewMediaShape->setMediaTime( fTime );
}
ShapeSharedPtr createMediaShape(
const uno::Reference< drawing::XShape >& xShape,
double nPrio,
const SlideShowContext& rContext)
{
return std::make_shared<MediaShape>(xShape, nPrio, rContext);
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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