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 <com/sun/star/presentation/XSlideShowController.hpp>
  11 #include <com/sun/star/presentation/XPresentationSupplier.hpp>
  12 #include <com/sun/star/presentation/XPresentation2.hpp>
  13 #include <com/sun/star/frame/Desktop.hpp>
  14 #include <com/sun/star/uno/RuntimeException.hpp>
  15
  16 #include <comphelper/processfactory.hxx>
  17 #include <sal/log.hxx>
  18 #include <com/sun/star/beans/PropertyValue.hpp>
  19 #include <vcl/svapp.hxx>
  20 #include <comphelper/diagnose_ex.hxx>
  21
  22 using namespace sd;
  23 using namespace ::com::sun::star;
  24 using namespace ::com::sun::star::lang;
  25 using namespace ::com::sun::star::uno;
  26 using namespace ::com::sun::star::presentation;
  27 using namespace ::com::sun::star::beans;
  28
  29 Receiver::Receiver( Transmitter *aTransmitter ) : Timer("sd Receiver")
  30 {
  31     pTransmitter = aTransmitter;
  32     SetTimeout( 0 );
  33 }
  34
  35 Receiver::~Receiver()
  36 {
  37 }
  38
  39 // Bounce the commands to the main thread to avoid threading woes
  40 void Receiver::pushCommand( const std::vector<OString> &rCommand )
  41 {
  42     SolarMutexGuard aGuard;
  43     maExecQueue.push_back( rCommand );
  44     Start();
  45 }
  46
  47 void Receiver::Invoke()
  48 {
  49     if( !maExecQueue.empty() )
  50     {
  51         std::vector< OString > aCommands( maExecQueue.front() );
  52         maExecQueue.pop_front();
  53         if( !aCommands.empty() )
  54             executeCommand( aCommands );
  55         Start();
  56     }
  57     else
  58         Stop();
  59 }
  60
  61 void Receiver::executeCommand( const std::vector<OString> &aCommand )
  62 {
  63     uno::Reference<presentation::XSlideShowController> xSlideShowController;
  64     uno::Reference<presentation::XPresentation2> xPresentation;
  65     uno::Reference<presentation::XSlideShow> xSlideShow;
  66     try {
  67         uno::Reference< frame::XDesktop2 > xFramesSupplier = frame::Desktop::create( ::comphelper::getProcessComponentContext() );
  68         uno::Reference< frame::XFrame > xFrame ( xFramesSupplier->getActiveFrame(), uno::UNO_SET_THROW );
  69         uno::Reference<presentation::XPresentationSupplier> xPS ( xFrame->getController()->getModel(), uno::UNO_QUERY_THROW);
  70         xPresentation.set( xPS->getPresentation(), uno::UNO_QUERY_THROW);
  71         // Throws an exception if no slideshow running
  72         xSlideShowController.set( xPresentation->getController(), uno::UNO_SET_THROW );
  73         xSlideShow.set( xSlideShowController->getSlideShow(), uno::UNO_SET_THROW );
  74     }
  75     catch (uno::RuntimeException &)
  76     {
  77     }
  78
  79     if (aCommand.empty())
  80     {
  81         SAL_WARN("sdremote", "Receiver::executeCommand: no command");
  82         return;
  83     }
  84
  85     if ( aCommand[0] ==  "transition_next" )
  86     {
  87         if ( xSlideShowController.is() )
  88             xSlideShowController->gotoNextEffect();
  89     }
  90     else if ( aCommand[0] == "transition_previous" )
  91     {
  92         if ( xSlideShowController.is() )
  93             xSlideShowController->gotoPreviousEffect();
  94     }
  95     else if ( aCommand[0] == "goto_slide" )
  96     {
  97         if (aCommand.size() < 2)
  98         {
  99             SAL_WARN("sdremote", "Receiver::executeCommand: invalid goto_slide");
 100             return;
 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] == "presentation_start" )
 111     {
 112         if ( xPresentation.is() )
 113             xPresentation->start();
 114     }
 115     else if ( aCommand[0] == "presentation_stop" )
 116     {
 117         if ( xPresentation.is() )
 118             xPresentation->end();
 119     }
 120     else if ( aCommand[0] == "presentation_blank_screen" )
 121     {
 122         if ( aCommand.size() > 1 )
 123         {
 124 //             aColour = FIXME: get the colour in some format from this string
 125 //              Determine the formatting first.
 126         }
 127         if ( xSlideShowController.is() )
 128         {
 129             xSlideShowController->blankScreen( 0 ); // Default is black
 130         }
 131     }
 132     else if (aCommand[0] == "pointer_started" )
 133     {
 134         if (aCommand.size() < 3)
 135         {
 136             SAL_WARN("sdremote", "Receiver::executeCommand: invalid pointer_started");
 137             return;
 138         }
 139         // std::cerr << "pointer_started" << std::endl;
 140         float x = aCommand[1].toFloat();
 141         float y = aCommand[2].toFloat();
 142         SolarMutexGuard aSolarGuard;
 143
 144         const css::geometry::RealPoint2D pos(x,y);
 145         // std::cerr << "Pointer at ("<<pos.X<<","<<pos.Y<<")" << std::endl;
 146
 147         if (xSlideShow.is())
 148         {
 149             try
 150             {
 151                 // std::cerr << "pointer_coordination in the is" << std::endl;
 152                 xSlideShow->setProperty(beans::PropertyValue(u"PointerPosition"_ustr, -1, Any(pos),
 153                                                              beans::PropertyState_DIRECT_VALUE));
 154             }
 155             catch (Exception&)
 156             {
 157                 TOOLS_WARN_EXCEPTION("sdremote", "sd::SlideShowImpl::setPointerPosition()");
 158             }
 159
 160             try
 161             {
 162                 xSlideShow->setProperty(beans::PropertyValue(u"PointerVisible"_ustr, -1, Any(true),
 163                                                              beans::PropertyState_DIRECT_VALUE));
 164             }
 165             catch (Exception&)
 166             {
 167                 TOOLS_WARN_EXCEPTION("sdremote", "sd::SlideShowImpl::setPointerMode()");
 168             }
 169         }
 170
 171         SAL_INFO( "sdremote", "Pointer started, we display the pointer on screen" );
 172     }
 173     else if (aCommand[0] == "pointer_dismissed" )
 174     {
 175         SolarMutexGuard aSolarGuard;
 176         if (xSlideShow.is()) try
 177         {
 178             xSlideShow->setProperty(
 179                         beans::PropertyValue( u"PointerVisible"_ustr ,
 180                             -1,
 181                             Any( false ),
 182                             beans::PropertyState_DIRECT_VALUE ) );
 183         }
 184         catch ( Exception& )
 185         {
 186             TOOLS_WARN_EXCEPTION( "sdremote", "sd::SlideShowImpl::setPointerMode()" );
 187         }
 188
 189         SAL_INFO( "sdremote", "Pointer dismissed, we hide the pointer on screen" );
 190     }
 191     else if (aCommand[0] == "pointer_coordination" )
 192     {
 193         if (aCommand.size() < 3)
 194         {
 195             SAL_WARN("sdremote", "Receiver::executeCommand: invalid pointer_coordination");
 196             return;
 197         }
 198         float x = aCommand[1].toFloat();
 199         float y = aCommand[2].toFloat();
 200
 201         SAL_INFO( "sdremote", "Pointer at ("<<x<<","<<y<<")" );
 202         const css::geometry::RealPoint2D pos(x,y);
 203
 204         SolarMutexGuard aSolarGuard;
 205         if (xSlideShow.is()) try
 206         {
 207             xSlideShow->setProperty(
 208                         beans::PropertyValue( u"PointerPosition"_ustr ,
 209                             -1,
 210                             Any( pos ),
 211                             beans::PropertyState_DIRECT_VALUE ) );
 212         }
 213         catch ( Exception& )
 214         {
 215             TOOLS_WARN_EXCEPTION( "sdremote", "sd::SlideShowImpl::setPointerPosition()" );
 216         }
 217     }
 218     else if ( aCommand[0] == "presentation_resume" )
 219     {
 220         if ( xSlideShowController.is() )
 221         {
 222             xSlideShowController->resume();
 223         }
 224     }
 225 }
 226
 227 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */