slideshow/source/engine/shapes/externalshapebase.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 // must be first
  22 #include <tools/diagnose_ex.h>
  23
  24 #include <comphelper/anytostring.hxx>
  25 #include <cppuhelper/exc_hlp.hxx>
  26
  27 #include "externalshapebase.hxx"
  28 #include <eventmultiplexer.hxx>
  29 #include <vieweventhandler.hxx>
  30 #include <intrinsicanimationeventhandler.hxx>
  31 #include <tools.hxx>
  32
  33
  34 using namespace ::com::sun::star;
  35
  36
  37 namespace slideshow
  38 {
  39     namespace internal
  40     {
  41         class ExternalShapeBase::ExternalShapeBaseListener : public ViewEventHandler,
  42                                                              public IntrinsicAnimationEventHandler
  43         {
  44         public:
  45             explicit ExternalShapeBaseListener( ExternalShapeBase& rBase ) :
  46                 mrBase( rBase )
  47             {}
  48             ExternalShapeBaseListener(const ExternalShapeBaseListener&) = delete;
  49             ExternalShapeBaseListener& operator=(const ExternalShapeBaseListener&) = delete;
  50
  51         private:
  52             // ViewEventHandler
  53
  54
  55             virtual void viewAdded( const UnoViewSharedPtr& ) override {}
  56             virtual void viewRemoved( const UnoViewSharedPtr& ) override {}
  57             virtual void viewChanged( const UnoViewSharedPtr& rView ) override
  58             {
  59                 mrBase.implViewChanged(rView);
  60             }
  61             virtual void viewsChanged() override
  62             {
  63                 mrBase.implViewsChanged();
  64             }
  65
  66
  67             // IntrinsicAnimationEventHandler
  68
  69
  70             virtual bool enableAnimations() override
  71             {
  72                 return mrBase.implStartIntrinsicAnimation();
  73             }
  74             virtual bool disableAnimations() override
  75             {
  76                 return mrBase.implEndIntrinsicAnimation();
  77             }
  78
  79             ExternalShapeBase& mrBase;
  80         };
  81
  82
  83         ExternalShapeBase::ExternalShapeBase( const uno::Reference< drawing::XShape >&  xShape,
  84                                               double                                    nPrio,
  85                                               const SlideShowContext&                   rContext ) :
  86             mxComponentContext( rContext.mxComponentContext ),
  87             mxShape( xShape ),
  88             mpListener( new ExternalShapeBaseListener(*this) ),
  89             mpShapeManager( rContext.mpSubsettableShapeManager ),
  90             mrEventMultiplexer( rContext.mrEventMultiplexer ),
  91             mnPriority( nPrio ), // TODO(F1): When ZOrder someday becomes usable: make this ( getAPIShapePrio( xShape ) ),
  92             maBounds( getAPIShapeBounds( xShape ) )
  93         {
  94             ENSURE_OR_THROW( mxShape.is(), "ExternalShapeBase::ExternalShapeBase(): Invalid XShape" );
  95
  96             mpShapeManager->addIntrinsicAnimationHandler( mpListener );
  97             mrEventMultiplexer.addViewHandler( mpListener );
  98         }
  99
 100
 101         ExternalShapeBase::~ExternalShapeBase()
 102         {
 103             try
 104             {
 105                 mrEventMultiplexer.removeViewHandler( mpListener );
 106                 mpShapeManager->removeIntrinsicAnimationHandler( mpListener );
 107             }
 108             catch (uno::Exception &)
 109             {
 110                 SAL_WARN( "slideshow", comphelper::anyToString( cppu::getCaughtException() ) );
 111             }
 112         }
 113
 114
 115         uno::Reference< drawing::XShape > ExternalShapeBase::getXShape() const
 116         {
 117             return mxShape;
 118         }
 119
 120
 121         void ExternalShapeBase::play()
 122         {
 123             implStartIntrinsicAnimation();
 124         }
 125
 126
 127         void ExternalShapeBase::stop()
 128         {
 129             implEndIntrinsicAnimation();
 130         }
 131
 132
 133         void ExternalShapeBase::pause()
 134         {
 135             implPauseIntrinsicAnimation();
 136         }
 137
 138
 139         bool ExternalShapeBase::isPlaying() const
 140         {
 141             return implIsIntrinsicAnimationPlaying();
 142         }
 143
 144
 145         void ExternalShapeBase::setMediaTime(double fTime)
 146         {
 147             implSetIntrinsicAnimationTime(fTime);
 148         }
 149
 150
 151         bool ExternalShapeBase::update() const
 152         {
 153             return render();
 154         }
 155
 156
 157         bool ExternalShapeBase::render() const
 158         {
 159             if( maBounds.getRange().equalZero() )
 160             {
 161                 // zero-sized shapes are effectively invisible,
 162                 // thus, we save us the rendering...
 163                 return true;
 164             }
 165
 166             return implRender( maBounds );
 167         }
 168
 169
 170         bool ExternalShapeBase::isContentChanged() const
 171         {
 172             return true;
 173         }
 174
 175
 176         ::basegfx::B2DRectangle ExternalShapeBase::getBounds() const
 177         {
 178             return maBounds;
 179         }
 180
 181
 182         ::basegfx::B2DRectangle ExternalShapeBase::getDomBounds() const
 183         {
 184             return maBounds;
 185         }
 186
 187
 188         ::basegfx::B2DRectangle ExternalShapeBase::getUpdateArea() const
 189         {
 190             return maBounds;
 191         }
 192
 193
 194         bool ExternalShapeBase::isVisible() const
 195         {
 196             return true;
 197         }
 198
 199
 200         double ExternalShapeBase::getPriority() const
 201         {
 202             return mnPriority;
 203         }
 204
 205
 206         bool ExternalShapeBase::isBackgroundDetached() const
 207         {
 208             // external shapes always have their own window/surface
 209             return true;
 210         }
 211
 212     }
 213 }
 214
 215 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */