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