slideshow/source/engine/shapes/viewappletshape.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20
  21 #include <tools/diagnose_ex.h>
  22
  23 #include <comphelper/anytostring.hxx>
  24 #include <cppuhelper/exc_hlp.hxx>
  25
  26 #include <basegfx/matrix/b2dhommatrix.hxx>
  27 #include <basegfx/range/b2irange.hxx>
  28 #include <basegfx/utils/canvastools.hxx>
  29
  30 #include <cppcanvas/spritecanvas.hxx>
  31 #include <canvas/canvastools.hxx>
  32
  33 #include <com/sun/star/uno/XComponentContext.hpp>
  34 #include <com/sun/star/lang/XMultiComponentFactory.hpp>
  35 #include <com/sun/star/rendering/XCanvas.hpp>
  36 #include <com/sun/star/lang/XMultiServiceFactory.hpp>
  37 #include <com/sun/star/beans/XPropertySet.hpp>
  38 #include <com/sun/star/beans/PropertyValue.hpp>
  39 #include <com/sun/star/util/XCloseable.hpp>
  40 #include <com/sun/star/awt/WindowDescriptor.hpp>
  41 #include <com/sun/star/awt/Toolkit.hpp>
  42 #include <com/sun/star/awt/XWindow2.hpp>
  43 #include <com/sun/star/awt/XWindowPeer.hpp>
  44 #include <com/sun/star/awt/WindowAttribute.hpp>
  45 #include <com/sun/star/awt/VclWindowPeerAttribute.hpp>
  46 #include <com/sun/star/awt/PosSize.hpp>
  47 #include <com/sun/star/frame/Frame.hpp>
  48 #include <com/sun/star/frame/XSynchronousFrameLoader.hpp>
  49
  50 #include "viewappletshape.hxx"
  51 #include <tools.hxx>
  52
  53
  54 using namespace ::com::sun::star;
  55
  56 namespace slideshow
  57 {
  58     namespace internal
  59     {
  60         ViewAppletShape::ViewAppletShape( const ViewLayerSharedPtr&                       rViewLayer,
  61                                           const uno::Reference< drawing::XShape >&        rxShape,
  62                                           const OUString&                          rServiceName,
  63                                           const char**                                    pPropCopyTable,
  64                                           std::size_t                                     nNumPropEntries,
  65                                           const uno::Reference< uno::XComponentContext >& rxContext ) :
  66             mpViewLayer( rViewLayer ),
  67             mxViewer(),
  68             mxFrame(),
  69             mxComponentContext( rxContext )
  70         {
  71             ENSURE_OR_THROW( rxShape.is(), "ViewAppletShape::ViewAppletShape(): Invalid Shape" );
  72             ENSURE_OR_THROW( mpViewLayer, "ViewAppletShape::ViewAppletShape(): Invalid View" );
  73             ENSURE_OR_THROW( mpViewLayer->getCanvas(), "ViewAppletShape::ViewAppletShape(): Invalid ViewLayer canvas" );
  74             ENSURE_OR_THROW( mxComponentContext.is(), "ViewAppletShape::ViewAppletShape(): Invalid component context" );
  75
  76             uno::Reference<lang::XMultiComponentFactory> xFactory(
  77                 mxComponentContext->getServiceManager(),
  78                 uno::UNO_QUERY_THROW );
  79
  80             mxViewer.set( xFactory->createInstanceWithContext( rServiceName,
  81                                                                mxComponentContext),
  82                           uno::UNO_QUERY_THROW );
  83
  84             uno::Reference< beans::XPropertySet > xShapePropSet( rxShape,
  85                                                                  uno::UNO_QUERY_THROW );
  86             uno::Reference< beans::XPropertySet > xViewerPropSet( mxViewer,
  87                                                                    uno::UNO_QUERY_THROW );
  88
  89             // copy shape properties to applet viewer
  90             OUString aPropName;
  91             for( std::size_t i=0; i<nNumPropEntries; ++i )
  92             {
  93                 aPropName = OUString::createFromAscii( pPropCopyTable[i] );
  94                 xViewerPropSet->setPropertyValue( aPropName,
  95                                                   xShapePropSet->getPropertyValue(
  96                                                   aPropName ));
  97             }
  98         }
  99
 100         ViewAppletShape::~ViewAppletShape()
 101         {
 102             try
 103             {
 104                 endApplet();
 105             }
 106             catch (const uno::Exception &e)
 107             {
 108                 SAL_WARN("slideshow", e);
 109             }
 110         }
 111
 112         const ViewLayerSharedPtr& ViewAppletShape::getViewLayer() const
 113         {
 114             return mpViewLayer;
 115         }
 116
 117         void ViewAppletShape::startApplet( const ::basegfx::B2DRectangle& rBounds )
 118         {
 119             ENSURE_OR_RETURN_VOID( mpViewLayer && mpViewLayer->getCanvas() && mpViewLayer->getCanvas()->getUNOCanvas().is(),
 120                                "ViewAppletShape::startApplet(): Invalid or disposed view" );
 121             try
 122             {
 123                 ::cppcanvas::CanvasSharedPtr pCanvas = mpViewLayer->getCanvas();
 124
 125                 uno::Reference< beans::XPropertySet > xPropSet( pCanvas->getUNOCanvas()->getDevice(),
 126                                                                 uno::UNO_QUERY_THROW );
 127
 128                 uno::Reference< awt::XWindow2 > xParentWindow(
 129                     xPropSet->getPropertyValue("Window"),
 130                     uno::UNO_QUERY_THROW );
 131
 132                 uno::Reference<lang::XMultiComponentFactory> xFactory(
 133                     mxComponentContext->getServiceManager() );
 134
 135                 if( xFactory.is() )
 136                 {
 137                     // create an awt window to contain the applet
 138                     // ==========================================
 139
 140                     uno::Reference< awt::XToolkit2 > xToolkit = awt::Toolkit::create(mxComponentContext);
 141
 142                     awt::WindowDescriptor aOwnWinDescriptor( awt::WindowClass_SIMPLE,
 143                                                              OUString(),
 144                                                              uno::Reference< awt::XWindowPeer >(xParentWindow,
 145                                                                                                 uno::UNO_QUERY_THROW),
 146                                                              0,
 147                                                              awt::Rectangle(),
 148                                                              awt::WindowAttribute::SHOW
 149                                                              | awt::VclWindowPeerAttribute::CLIPCHILDREN );
 150
 151                     uno::Reference< awt::XWindowPeer > xNewWinPeer(
 152                         xToolkit->createWindow( aOwnWinDescriptor ));
 153                     uno::Reference< awt::XWindow > xOwnWindow( xNewWinPeer,
 154                                                                uno::UNO_QUERY_THROW );
 155
 156
 157                     // create a frame, and load the applet into it
 158                     // ===========================================
 159
 160                     mxFrame = frame::Frame::create( mxComponentContext );
 161                     mxFrame->initialize( xOwnWindow );
 162
 163                     uno::Reference < frame::XSynchronousFrameLoader > xLoader( mxViewer,
 164                                                                                uno::UNO_QUERY_THROW );
 165                     xLoader->load( uno::Sequence < beans::PropertyValue >(),
 166                                    uno::Reference<frame::XFrame>(mxFrame, uno::UNO_QUERY_THROW) );
 167
 168
 169                     // resize surrounding window and applet to current shape size
 170                     // ==========================================================
 171
 172                     ::basegfx::B2DRange aTmpRange;
 173                     ::canvas::tools::calcTransformedRectBounds( aTmpRange,
 174                                                                 rBounds,
 175                                                                 mpViewLayer->getTransformation() );
 176                     const ::basegfx::B2IRange& rPixelBounds(
 177                         ::basegfx::unotools::b2ISurroundingRangeFromB2DRange( aTmpRange ));
 178
 179                     uno::Reference< awt::XWindow > xSurroundingWindow( mxFrame->getContainerWindow() );
 180                     if( xSurroundingWindow.is() )
 181                         xSurroundingWindow->setPosSize( rPixelBounds.getMinX(),
 182                                                         rPixelBounds.getMinY(),
 183                                                         static_cast<sal_Int32>(rPixelBounds.getWidth()),
 184                                                         static_cast<sal_Int32>(rPixelBounds.getHeight()),
 185                                                         awt::PosSize::POSSIZE );
 186
 187                     uno::Reference< awt::XWindow > xAppletWindow( mxFrame->getComponentWindow() );
 188                     if( xAppletWindow.is() )
 189                         xAppletWindow->setPosSize( 0, 0,
 190                                                    static_cast<sal_Int32>(rPixelBounds.getWidth()),
 191                                                    static_cast<sal_Int32>(rPixelBounds.getHeight()),
 192                                                    awt::PosSize::POSSIZE );
 193                 }
 194             }
 195             catch (uno::Exception &)
 196             {
 197             }
 198         }
 199
 200
 201         void ViewAppletShape::endApplet()
 202         {
 203             uno::Reference<util::XCloseable> xCloseable(
 204                 mxFrame,
 205                 uno::UNO_QUERY );
 206
 207             if( xCloseable.is() )
 208             {
 209                 xCloseable->close( true );
 210                 mxFrame.clear();
 211             }
 212         }
 213
 214
 215         bool ViewAppletShape::render( const ::basegfx::B2DRectangle& rBounds ) const
 216         {
 217             ::cppcanvas::CanvasSharedPtr pCanvas = mpViewLayer->getCanvas();
 218
 219             if( !pCanvas )
 220                 return false;
 221
 222             if( !mxFrame.is() )
 223             {
 224                 // fill the shape background with black
 225                 fillRect( pCanvas,
 226                           rBounds,
 227                           0xFFFFFFFFU );
 228             }
 229
 230             return true;
 231         }
 232
 233         bool ViewAppletShape::resize( const ::basegfx::B2DRectangle& rBounds ) const
 234         {
 235             if( !mxFrame.is() )
 236                 return false;
 237
 238             ::basegfx::B2DRange aTmpRange;
 239             ::canvas::tools::calcTransformedRectBounds( aTmpRange,
 240                                                         rBounds,
 241                                                         mpViewLayer->getTransformation() );
 242             const ::basegfx::B2IRange& rPixelBounds(
 243                 ::basegfx::unotools::b2ISurroundingRangeFromB2DRange( aTmpRange ));
 244
 245             uno::Reference< awt::XWindow > xFrameWindow( mxFrame->getContainerWindow() );
 246             if( xFrameWindow.is() )
 247                 xFrameWindow->setPosSize( rPixelBounds.getMinX(),
 248                                           rPixelBounds.getMinY(),
 249                                           static_cast<sal_Int32>(rPixelBounds.getWidth()),
 250                                           static_cast<sal_Int32>(rPixelBounds.getHeight()),
 251                                           awt::PosSize::POSSIZE );
 252
 253             uno::Reference< awt::XWindow > xAppletWindow( mxFrame->getComponentWindow() );
 254             if( xAppletWindow.is() )
 255                 xAppletWindow->setPosSize( 0, 0,
 256                                            static_cast<sal_Int32>(rPixelBounds.getWidth()),
 257                                            static_cast<sal_Int32>(rPixelBounds.getHeight()),
 258                                            awt::PosSize::POSSIZE );
 259
 260             return true;
 261         }
 262     }
 263 }
 264
 265 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */