Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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: */