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Diffstat (limited to 'slideshow/source/engine/shapes/mediashape.cxx')
| -rw-r--r-- | slideshow/source/engine/shapes/mediashape.cxx | 247 |
1 files changed, 247 insertions, 0 deletions
diff --git a/slideshow/source/engine/shapes/mediashape.cxx b/slideshow/source/engine/shapes/mediashape.cxx new file mode 100644 index 000000000..55c302bc6 --- /dev/null +++ b/slideshow/source/engine/shapes/mediashape.cxx @@ -0,0 +1,247 @@ +/* -*- 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: */ |