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Diffstat (limited to 'slideshow/source/engine/shapes/appletshape.cxx')
| -rw-r--r-- | slideshow/source/engine/shapes/appletshape.cxx | 288 |
1 files changed, 288 insertions, 0 deletions
diff --git a/slideshow/source/engine/shapes/appletshape.cxx b/slideshow/source/engine/shapes/appletshape.cxx new file mode 100644 index 000000000..ba7c6243b --- /dev/null +++ b/slideshow/source/engine/shapes/appletshape.cxx @@ -0,0 +1,288 @@ +/* -*- 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 "appletshape.hxx" +#include "externalshapebase.hxx" +#include "viewappletshape.hxx" +#include <tools.hxx> + +#include <o3tl/safeint.hxx> +#include <osl/diagnose.h> + +#include <algorithm> + + +using namespace ::com::sun::star; + + +namespace slideshow::internal +{ + namespace { + + /** Represents an applet shape. + + This implementation offers support for applet shapes (both + Java applets, and Netscape plugins). Such shapes need + special treatment. + */ + class AppletShape : public ExternalShapeBase + { + public: + /** Create a shape for the given XShape for an applet object + + @param xShape + The XShape to represent. + + @param nPrio + Externally-determined shape priority (used e.g. for + paint ordering). This number _must be_ unique! + + @param rServiceName + Service name to use, when creating the actual viewer + component + + @param pPropCopyTable + Table of plain ASCII property names, to copy from + xShape to applet. + + @param nNumPropEntries + Number of property table entries (in pPropCopyTable) + */ + AppletShape( const css::uno::Reference< css::drawing::XShape >& xShape, + double nPrio, + const OUString& rServiceName, + const char** pPropCopyTable, + std::size_t nNumPropEntries, + 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; + + const OUString maServiceName; + const char** mpPropCopyTable; + const std::size_t mnNumPropEntries; + + /// the list of active view shapes (one for each registered view layer) + typedef ::std::vector< ViewAppletShapeSharedPtr > ViewAppletShapeVector; + ViewAppletShapeVector maViewAppletShapes; + bool mbIsPlaying; + }; + + } + + AppletShape::AppletShape( const uno::Reference< drawing::XShape >& xShape, + double nPrio, + const OUString& rServiceName, + const char** pPropCopyTable, + std::size_t nNumPropEntries, + const SlideShowContext& rContext ) : + ExternalShapeBase( xShape, nPrio, rContext ), + maServiceName( rServiceName ), + mpPropCopyTable( pPropCopyTable ), + mnNumPropEntries( nNumPropEntries ), + maViewAppletShapes(), + mbIsPlaying(false) + { + } + + + void AppletShape::implViewChanged( const UnoViewSharedPtr& rView ) + { + const ::basegfx::B2DRectangle& rBounds = getBounds(); + // determine ViewAppletShape that needs update + for( const auto& pViewAppletShape : maViewAppletShapes ) + { + if( pViewAppletShape->getViewLayer()->isOnView( rView ) ) + pViewAppletShape->resize( rBounds ); + } + } + + + void AppletShape::implViewsChanged() + { + // resize all ViewShapes + const ::basegfx::B2DRectangle& rBounds = getBounds(); + for( const auto& pViewAppletShape : maViewAppletShapes ) + pViewAppletShape->resize( rBounds ); + } + + + void AppletShape::addViewLayer( const ViewLayerSharedPtr& rNewLayer, + bool bRedrawLayer ) + { + try + { + maViewAppletShapes.push_back( + std::make_shared<ViewAppletShape>( rNewLayer, + getXShape(), + maServiceName, + mpPropCopyTable, + mnNumPropEntries, + mxComponentContext )); + + // push new size to view shape + maViewAppletShapes.back()->resize( getBounds() ); + + // render the Shape on the newly added ViewLayer + if( bRedrawLayer ) + maViewAppletShapes.back()->render( getBounds() ); + } + catch(uno::Exception&) + { + // ignore failed shapes - slideshow should run with + // the remaining content + } + } + + + bool AppletShape::removeViewLayer( const ViewLayerSharedPtr& rLayer ) + { + const ViewAppletShapeVector::iterator aEnd( maViewAppletShapes.end() ); + + OSL_ENSURE( ::std::count_if(maViewAppletShapes.begin(), + aEnd, + [&rLayer] + ( const ViewAppletShapeSharedPtr& pShape ) + { return rLayer == pShape->getViewLayer(); } ) < 2, + "AppletShape::removeViewLayer(): Duplicate ViewLayer entries!" ); + + ViewAppletShapeVector::iterator aIter; + + if( (aIter=::std::remove_if( maViewAppletShapes.begin(), + aEnd, + [&rLayer] + ( const ViewAppletShapeSharedPtr& pShape ) + { return rLayer == pShape->getViewLayer(); } ) ) == aEnd ) + { + // view layer seemingly was not added, failed + return false; + } + + // actually erase from container + maViewAppletShapes.erase( aIter, aEnd ); + + return true; + } + + + void AppletShape::clearAllViewLayers() + { + maViewAppletShapes.clear(); + } + + + bool AppletShape::implRender( const ::basegfx::B2DRange& rCurrBounds ) const + { + // redraw all view shapes, by calling their update() method + if( o3tl::make_unsigned(::std::count_if( maViewAppletShapes.begin(), + maViewAppletShapes.end(), + [&rCurrBounds] + ( const ViewAppletShapeSharedPtr& pShape ) + { return pShape->render( rCurrBounds ); } )) + != maViewAppletShapes.size() ) + { + // at least one of the ViewShape::update() calls did return + // false - update failed on at least one ViewLayer + return false; + } + + return true; + } + + + bool AppletShape::implStartIntrinsicAnimation() + { + const ::basegfx::B2DRectangle& rBounds = getBounds(); + for( const auto& pViewAppletShape : maViewAppletShapes ) + pViewAppletShape->startApplet( rBounds ); + + mbIsPlaying = true; + + return true; + } + + + bool AppletShape::implEndIntrinsicAnimation() + { + for( const auto& pViewAppletShape : maViewAppletShapes ) + pViewAppletShape->endApplet(); + + mbIsPlaying = false; + + return true; + } + + + void AppletShape::implPauseIntrinsicAnimation() + { + // TODO(F1): any way of temporarily disabling/deactivating + // applets? + } + + + bool AppletShape::implIsIntrinsicAnimationPlaying() const + { + return mbIsPlaying; + } + + + void AppletShape::implSetIntrinsicAnimationTime(double) + { + // No way of doing this, or? + } + + std::shared_ptr<Shape> createAppletShape( + const uno::Reference< drawing::XShape >& xShape, + double nPrio, + const OUString& rServiceName, + const char** pPropCopyTable, + std::size_t nNumPropEntries, + const SlideShowContext& rContext ) + { + return std::make_shared<AppletShape>(xShape, + nPrio, + rServiceName, + pPropCopyTable, + nNumPropEntries, + rContext); + } +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |