sd/source/ui/remotecontrol/Receiver.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 #include "Receiver.hxx"
  10 #include <string.h>
  11 #include <com/sun/star/presentation/XSlideShowController.hpp>
  12 #include <com/sun/star/presentation/XPresentationSupplier.hpp>
  13 #include <com/sun/star/presentation/XPresentation2.hpp>
  14 #include <com/sun/star/frame/Desktop.hpp>
  15 #include <com/sun/star/frame/XFramesSupplier.hpp>
  16 #include <com/sun/star/uno/RuntimeException.hpp>
  17
  18 #include <comphelper/processfactory.hxx>
  19 #include <comphelper/anytostring.hxx>
  20 #include "cppuhelper/exc_hlp.hxx"
  21 #include <osl/file.hxx>
  22 #include <rtl/ustrbuf.hxx>
  23 #include <rtl/strbuf.hxx>
  24 #include <com/sun/star/beans/PropertyValue.hpp>
  25 #include <com/sun/star/presentation/SlideShow.hpp>
  26
  27 using namespace sd;
  28 using namespace ::com::sun::star;
  29 using namespace ::osl;
  30 using namespace std;
  31 using namespace ::com::sun::star;
  32 using namespace ::com::sun::star::lang;
  33 using namespace ::com::sun::star::uno;
  34 using namespace ::com::sun::star::presentation;
  35 using namespace ::com::sun::star::beans;
  36
  37 Receiver::Receiver( Transmitter *aTransmitter )
  38 {
  39     pTransmitter = aTransmitter;
  40     SetTimeout( 0 );
  41 }
  42
  43 Receiver::~Receiver()
  44 {
  45 }
  46
  47 // Bounce the commands to the main thread to avoid threading woes
  48 void Receiver::pushCommand( const std::vector<OString> &rCommand )
  49 {
  50     SolarMutexGuard aGuard;
  51     maExecQueue.push_back( rCommand );
  52     Start();
  53 }
  54
  55 void Receiver::Invoke()
  56 {
  57     if( maExecQueue.size() )
  58     {
  59         std::vector< OString > aCommands( maExecQueue.front() );
  60         maExecQueue.pop_front();
  61         if( !aCommands.empty() )
  62             executeCommand( aCommands );
  63         Start();
  64     }
  65     else
  66         Stop();
  67 }
  68
  69 void Receiver::executeCommand( const std::vector<OString> &aCommand )
  70 {
  71     uno::Reference<presentation::XSlideShowController> xSlideShowController;
  72     uno::Reference<presentation::XPresentation2> xPresentation;
  73     uno::Reference<presentation::XSlideShow> xSlideShow;
  74     try {
  75         uno::Reference< frame::XDesktop2 > xFramesSupplier = frame::Desktop::create( ::comphelper::getProcessComponentContext() );
  76         uno::Reference< frame::XFrame > xFrame ( xFramesSupplier->getActiveFrame(), uno::UNO_QUERY_THROW );
  77         uno::Reference<presentation::XPresentationSupplier> xPS ( xFrame->getController()->getModel(), uno::UNO_QUERY_THROW);
  78         xPresentation = uno::Reference<presentation::XPresentation2>(
  79             xPS->getPresentation(), uno::UNO_QUERY_THROW);
  80         // Throws an exception if now slideshow running
  81         xSlideShowController =  uno::Reference<presentation::XSlideShowController>(
  82            xPresentation->getController(), uno::UNO_QUERY_THROW );
  83         xSlideShow = uno::Reference<presentation::XSlideShow>(
  84             xSlideShowController->getSlideShow(), uno::UNO_QUERY_THROW );
  85     }
  86     catch (uno::RuntimeException &)
  87     {
  88     }
  89
  90     if ( aCommand[0].equals( "transition_next" ) )
  91     {
  92         if ( xSlideShowController.is() )
  93             xSlideShowController->gotoNextEffect();
  94     }
  95     else if ( aCommand[0].equals( "transition_previous" ) )
  96     {
  97         if ( xSlideShowController.is() )
  98             xSlideShowController->gotoPreviousEffect();
  99     }
 100     else if ( aCommand[0].equals( "goto_slide" ) )
 101     {
 102         // FIXME: if 0 returned, then not a valid number
 103         sal_Int32 aSlide = aCommand[1].toInt32();
 104         if ( xSlideShowController.is() &&
 105             xSlideShowController->getCurrentSlideIndex() != aSlide )
 106         {
 107             xSlideShowController->gotoSlideIndex( aSlide );
 108         }
 109     }
 110     else if ( aCommand[0].equals( "presentation_start" ) )
 111     {
 112         if ( xPresentation.is() )
 113             xPresentation->start();
 114     }
 115     else if ( aCommand[0].equals( "presentation_stop" ) )
 116     {
 117         if ( xPresentation.is() )
 118             xPresentation->end();
 119     }
 120     else if ( aCommand[0].equals( "presentation_blank_screen" ) )
 121     {
 122         sal_Int32 aColour = 0; // Default is black
 123         if ( aCommand.size() > 1 )
 124         {
 125 //             aColour = FIXME: get the colour in some format from this string
 126 //              Determine the formatting first.
 127         }
 128         if ( xSlideShowController.is() )
 129         {
 130             xSlideShowController->blankScreen( aColour );
 131         }
 132     }
 133     else if (aCommand[0].equals( "pointer_started" ))
 134     {
 135         // std::cerr << "pointer_started" << std::endl;
 136         float x = aCommand[1].toFloat();
 137         float y = aCommand[2].toFloat();
 138         SolarMutexGuard aSolarGuard;
 139
 140         const ::com::sun::star::geometry::RealPoint2D pos(x,y);
 141         // std::cerr << "Pointer at ("<<pos.X<<","<<pos.Y<<")" << std::endl;
 142
 143         if (xSlideShow.is()) try
 144         {
 145             // std::cerr << "pointer_coordination in the is" << std::endl;
 146             xSlideShow->setProperty(
 147                         beans::PropertyValue( "PointerPosition" ,
 148                             -1,
 149                             makeAny( pos ),
 150                             beans::PropertyState_DIRECT_VALUE ) );
 151         }
 152         catch ( Exception& )
 153         {
 154             SAL_WARN( "sd.slideshow", "sd::SlideShowImpl::setPointerPosition(), "
 155                 "exception caught: " << comphelper::anyToString( cppu::getCaughtException() ));
 156         }
 157
 158         if (xSlideShow.is()) try
 159         {
 160             xSlideShow->setProperty(
 161                         beans::PropertyValue( "PointerVisible" ,
 162                             -1,
 163                             makeAny( true ),
 164                             beans::PropertyState_DIRECT_VALUE ) );
 165         }
 166         catch ( Exception& )
 167         {
 168             SAL_WARN( "sd.slideshow", "sd::SlideShowImpl::setPointerMode(), "
 169                 "exception caught: " << comphelper::anyToString( cppu::getCaughtException() ));
 170         }
 171
 172         SAL_INFO( "sdremote", "Pointer started, we display the pointer on screen" );
 173     }
 174     else if (aCommand[0].equals( "pointer_dismissed" ))
 175     {
 176         SolarMutexGuard aSolarGuard;
 177         if (xSlideShow.is()) try
 178         {
 179             xSlideShow->setProperty(
 180                         beans::PropertyValue( "PointerVisible" ,
 181                             -1,
 182                             makeAny( false ),
 183                             beans::PropertyState_DIRECT_VALUE ) );
 184         }
 185         catch ( Exception& )
 186         {
 187             SAL_WARN( "sd.slideshow", "sd::SlideShowImpl::setPointerMode(), "
 188                 "exception caught: " << comphelper::anyToString( cppu::getCaughtException() ));
 189         }
 190
 191         SAL_INFO( "sdremote", "Pointer dismissed, we hide the pointer on screen" );
 192     }
 193     else if (aCommand[0].equals( "pointer_coordination" ))
 194     {
 195         float x = aCommand[1].toFloat();
 196         float y = aCommand[2].toFloat();
 197
 198         SAL_INFO( "sdremote", "Pointer at ("<<x<<","<<y<<")" );
 199         const ::com::sun::star::geometry::RealPoint2D pos(x,y);
 200
 201         SolarMutexGuard aSolarGuard;
 202         if (xSlideShow.is()) try
 203         {
 204             xSlideShow->setProperty(
 205                         beans::PropertyValue( "PointerPosition" ,
 206                             -1,
 207                             makeAny( pos ),
 208                             beans::PropertyState_DIRECT_VALUE ) );
 209         }
 210         catch ( Exception& )
 211         {
 212             SAL_WARN( "sd.slideshow", "sd::SlideShowImpl::setPointerPosition(), "
 213                 "exception caught: " << comphelper::anyToString( cppu::getCaughtException() ));
 214         }
 215     }
 216     else if ( aCommand[0].equals( "presentation_resume" ) )
 217     {
 218         if ( xSlideShowController.is() )
 219         {
 220             xSlideShowController->resume();
 221         }
 222     }
 223 }
 224
 225 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */