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 <canvas/debug.hxx>
  23 #include <tools/diagnose_ex.h>
  24 #include <canvas/verbosetrace.hxx>
  25
  26 #include <comphelper/anytostring.hxx>
  27 #include <cppuhelper/exc_hlp.hxx>
  28
  29 #include "externalshapebase.hxx"
  30 #include "eventmultiplexer.hxx"
  31 #include "vieweventhandler.hxx"
  32 #include "intrinsicanimationeventhandler.hxx"
  33 #include "tools.hxx"
  34
  35 #include <boost/noncopyable.hpp>
  36
  37
  38 using namespace ::com::sun::star;
  39
  40
  41 namespace slideshow
  42 {
  43     namespace internal
  44     {
  45         class ExternalShapeBase::ExternalShapeBaseListener : public ViewEventHandler,
  46                                                              public IntrinsicAnimationEventHandler,
  47                                                              private boost::noncopyable
  48         {
  49         public:
  50             explicit ExternalShapeBaseListener( ExternalShapeBase& rBase ) :
  51                 mrBase( rBase )
  52             {}
  53
  54
  55         private:
  56             // ViewEventHandler
  57
  58
  59             virtual void viewAdded( const UnoViewSharedPtr& ) SAL_OVERRIDE {}
  60             virtual void viewRemoved( const UnoViewSharedPtr& ) SAL_OVERRIDE {}
  61             virtual void viewChanged( const UnoViewSharedPtr& rView ) SAL_OVERRIDE
  62             {
  63                 mrBase.implViewChanged(rView);
  64             }
  65             virtual void viewsChanged() SAL_OVERRIDE
  66             {
  67                 mrBase.implViewsChanged();
  68             }
  69
  70
  71             // IntrinsicAnimationEventHandler
  72
  73
  74             virtual bool enableAnimations() SAL_OVERRIDE
  75             {
  76                 return mrBase.implStartIntrinsicAnimation();
  77             }
  78             virtual bool disableAnimations() SAL_OVERRIDE
  79             {
  80                 return mrBase.implEndIntrinsicAnimation();
  81             }
  82
  83             ExternalShapeBase& mrBase;
  84         };
  85
  86
  87         ExternalShapeBase::ExternalShapeBase( const uno::Reference< drawing::XShape >&  xShape,
  88                                               double                                    nPrio,
  89                                               const SlideShowContext&                   rContext ) :
  90             mxComponentContext( rContext.mxComponentContext ),
  91             mxShape( xShape ),
  92             mpListener( new ExternalShapeBaseListener(*this) ),
  93             mpShapeManager( rContext.mpSubsettableShapeManager ),
  94             mrEventMultiplexer( rContext.mrEventMultiplexer ),
  95             mnPriority( nPrio ), // TODO(F1): When ZOrder someday becomes usable: make this ( getAPIShapePrio( xShape ) ),
  96             maBounds( getAPIShapeBounds( xShape ) )
  97         {
  98             ENSURE_OR_THROW( mxShape.is(), "ExternalShapeBase::ExternalShapeBase(): Invalid XShape" );
  99
 100             mpShapeManager->addIntrinsicAnimationHandler( mpListener );
 101             mrEventMultiplexer.addViewHandler( mpListener );
 102         }
 103
 104
 105
 106         ExternalShapeBase::~ExternalShapeBase()
 107         {
 108             try
 109             {
 110                 mrEventMultiplexer.removeViewHandler( mpListener );
 111                 mpShapeManager->removeIntrinsicAnimationHandler( mpListener );
 112             }
 113             catch (uno::Exception &)
 114             {
 115                 OSL_FAIL( OUStringToOString(
 116                                 comphelper::anyToString(
 117                                     cppu::getCaughtException() ),
 118                                 RTL_TEXTENCODING_UTF8 ).getStr() );
 119             }
 120         }
 121
 122
 123
 124         uno::Reference< drawing::XShape > ExternalShapeBase::getXShape() const
 125         {
 126             return mxShape;
 127         }
 128
 129
 130
 131         void ExternalShapeBase::play()
 132         {
 133             implStartIntrinsicAnimation();
 134         }
 135
 136
 137
 138         void ExternalShapeBase::stop()
 139         {
 140             implEndIntrinsicAnimation();
 141         }
 142
 143
 144
 145         void ExternalShapeBase::pause()
 146         {
 147             implPauseIntrinsicAnimation();
 148         }
 149
 150
 151
 152         bool ExternalShapeBase::isPlaying() const
 153         {
 154             return implIsIntrinsicAnimationPlaying();
 155         }
 156
 157
 158
 159         void ExternalShapeBase::setMediaTime(double fTime)
 160         {
 161             implSetIntrinsicAnimationTime(fTime);
 162         }
 163
 164
 165
 166         bool ExternalShapeBase::update() const
 167         {
 168             return render();
 169         }
 170
 171
 172
 173         bool ExternalShapeBase::render() const
 174         {
 175             if( maBounds.getRange().equalZero() )
 176             {
 177                 // zero-sized shapes are effectively invisible,
 178                 // thus, we save us the rendering...
 179                 return true;
 180             }
 181
 182             return implRender( maBounds );
 183         }
 184
 185
 186
 187         bool ExternalShapeBase::isContentChanged() const
 188         {
 189             return true;
 190         }
 191
 192
 193
 194         ::basegfx::B2DRectangle ExternalShapeBase::getBounds() const
 195         {
 196             return maBounds;
 197         }
 198
 199
 200
 201         ::basegfx::B2DRectangle ExternalShapeBase::getDomBounds() const
 202         {
 203             return maBounds;
 204         }
 205
 206
 207
 208         ::basegfx::B2DRectangle ExternalShapeBase::getUpdateArea() const
 209         {
 210             return maBounds;
 211         }
 212
 213
 214
 215         bool ExternalShapeBase::isVisible() const
 216         {
 217             return true;
 218         }
 219
 220
 221
 222         double ExternalShapeBase::getPriority() const
 223         {
 224             return mnPriority;
 225         }
 226
 227
 228
 229         bool ExternalShapeBase::isBackgroundDetached() const
 230         {
 231             // external shapes always have their own window/surface
 232             return true;
 233         }
 234
 235     }
 236 }
 237
 238 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */