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                 OSL_FAIL( OUStringToOString(
 111                                 comphelper::anyToString(
 112                                     cppu::getCaughtException() ),
 113                                 RTL_TEXTENCODING_UTF8 ).getStr() );
 114             }
 115         }
 116
 117
 118         uno::Reference< drawing::XShape > ExternalShapeBase::getXShape() const
 119         {
 120             return mxShape;
 121         }
 122
 123
 124         void ExternalShapeBase::play()
 125         {
 126             implStartIntrinsicAnimation();
 127         }
 128
 129
 130         void ExternalShapeBase::stop()
 131         {
 132             implEndIntrinsicAnimation();
 133         }
 134
 135
 136         void ExternalShapeBase::pause()
 137         {
 138             implPauseIntrinsicAnimation();
 139         }
 140
 141
 142         bool ExternalShapeBase::isPlaying() const
 143         {
 144             return implIsIntrinsicAnimationPlaying();
 145         }
 146
 147
 148         void ExternalShapeBase::setMediaTime(double fTime)
 149         {
 150             implSetIntrinsicAnimationTime(fTime);
 151         }
 152
 153
 154         bool ExternalShapeBase::update() const
 155         {
 156             return render();
 157         }
 158
 159
 160         bool ExternalShapeBase::render() const
 161         {
 162             if( maBounds.getRange().equalZero() )
 163             {
 164                 // zero-sized shapes are effectively invisible,
 165                 // thus, we save us the rendering...
 166                 return true;
 167             }
 168
 169             return implRender( maBounds );
 170         }
 171
 172
 173         bool ExternalShapeBase::isContentChanged() const
 174         {
 175             return true;
 176         }
 177
 178
 179         ::basegfx::B2DRectangle ExternalShapeBase::getBounds() const
 180         {
 181             return maBounds;
 182         }
 183
 184
 185         ::basegfx::B2DRectangle ExternalShapeBase::getDomBounds() const
 186         {
 187             return maBounds;
 188         }
 189
 190
 191         ::basegfx::B2DRectangle ExternalShapeBase::getUpdateArea() const
 192         {
 193             return maBounds;
 194         }
 195
 196
 197         bool ExternalShapeBase::isVisible() const
 198         {
 199             return true;
 200         }
 201
 202
 203         double ExternalShapeBase::getPriority() const
 204         {
 205             return mnPriority;
 206         }
 207
 208
 209         bool ExternalShapeBase::isBackgroundDetached() const
 210         {
 211             // external shapes always have their own window/surface
 212             return true;
 213         }
 214
 215     }
 216 }
 217
 218 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */