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/uno/RuntimeException.hpp>
  16
  17 #include <comphelper/processfactory.hxx>
  18 #include <comphelper/anytostring.hxx>
  19 #include <cppuhelper/exc_hlp.hxx>
  20 #include <osl/file.hxx>
  21 #include <rtl/ustrbuf.hxx>
  22 #include <rtl/strbuf.hxx>
  23 #include <sal/log.hxx>
  24 #include <com/sun/star/beans/PropertyValue.hpp>
  25 #include <vcl/svapp.hxx>
  26 #include <tools/diagnose_ex.h>
  27
  28 using namespace sd;
  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.empty() )
  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_SET_THROW );
  77         uno::Reference<presentation::XPresentationSupplier> xPS ( xFrame->getController()->getModel(), uno::UNO_QUERY_THROW);
  78         xPresentation.set( xPS->getPresentation(), uno::UNO_QUERY_THROW);
  79         // Throws an exception if now slideshow running
  80         xSlideShowController.set( xPresentation->getController(), uno::UNO_SET_THROW );
  81         xSlideShow.set( xSlideShowController->getSlideShow(), uno::UNO_SET_THROW );
  82     }
  83     catch (uno::RuntimeException &)
  84     {
  85     }
  86
  87     if ( aCommand[0] ==  "transition_next" )
  88     {
  89         if ( xSlideShowController.is() )
  90             xSlideShowController->gotoNextEffect();
  91     }
  92     else if ( aCommand[0] == "transition_previous" )
  93     {
  94         if ( xSlideShowController.is() )
  95             xSlideShowController->gotoPreviousEffect();
  96     }
  97     else if ( aCommand[0] == "goto_slide" )
  98     {
  99         // FIXME: if 0 returned, then not a valid number
 100         sal_Int32 aSlide = aCommand[1].toInt32();
 101         if ( xSlideShowController.is() &&
 102             xSlideShowController->getCurrentSlideIndex() != aSlide )
 103         {
 104             xSlideShowController->gotoSlideIndex( aSlide );
 105         }
 106     }
 107     else if ( aCommand[0] == "presentation_start" )
 108     {
 109         if ( xPresentation.is() )
 110             xPresentation->start();
 111     }
 112     else if ( aCommand[0] == "presentation_stop" )
 113     {
 114         if ( xPresentation.is() )
 115             xPresentation->end();
 116     }
 117     else if ( aCommand[0] == "presentation_blank_screen" )
 118     {
 119         if ( aCommand.size() > 1 )
 120         {
 121 //             aColour = FIXME: get the colour in some format from this string
 122 //              Determine the formatting first.
 123         }
 124         if ( xSlideShowController.is() )
 125         {
 126             xSlideShowController->blankScreen( 0 ); // Default is black
 127         }
 128     }
 129     else if (aCommand[0] == "pointer_started" )
 130     {
 131         // std::cerr << "pointer_started" << std::endl;
 132         float x = aCommand[1].toFloat();
 133         float y = aCommand[2].toFloat();
 134         SolarMutexGuard aSolarGuard;
 135
 136         const css::geometry::RealPoint2D pos(x,y);
 137         // std::cerr << "Pointer at ("<<pos.X<<","<<pos.Y<<")" << std::endl;
 138
 139         if (xSlideShow.is())
 140         {
 141             try
 142             {
 143                 // std::cerr << "pointer_coordination in the is" << std::endl;
 144                 xSlideShow->setProperty(beans::PropertyValue("PointerPosition", -1, makeAny(pos),
 145                                                              beans::PropertyState_DIRECT_VALUE));
 146             }
 147             catch (Exception&)
 148             {
 149                 SAL_WARN("sdremote", "sd::SlideShowImpl::setPointerPosition(), "
 150                                      "exception caught: "
 151                                          << exceptionToString(cppu::getCaughtException()));
 152             }
 153
 154             try
 155             {
 156                 xSlideShow->setProperty(beans::PropertyValue("PointerVisible", -1, makeAny(true),
 157                                                              beans::PropertyState_DIRECT_VALUE));
 158             }
 159             catch (Exception&)
 160             {
 161                 SAL_WARN("sdremote", "sd::SlideShowImpl::setPointerMode(), "
 162                                      "exception caught: "
 163                                          << exceptionToString(cppu::getCaughtException()));
 164             }
 165         }
 166
 167         SAL_INFO( "sdremote", "Pointer started, we display the pointer on screen" );
 168     }
 169     else if (aCommand[0] == "pointer_dismissed" )
 170     {
 171         SolarMutexGuard aSolarGuard;
 172         if (xSlideShow.is()) try
 173         {
 174             xSlideShow->setProperty(
 175                         beans::PropertyValue( "PointerVisible" ,
 176                             -1,
 177                             makeAny( false ),
 178                             beans::PropertyState_DIRECT_VALUE ) );
 179         }
 180         catch ( Exception& )
 181         {
 182             SAL_WARN( "sdremote", "sd::SlideShowImpl::setPointerMode(), "
 183                 "exception caught: " << exceptionToString( cppu::getCaughtException() ));
 184         }
 185
 186         SAL_INFO( "sdremote", "Pointer dismissed, we hide the pointer on screen" );
 187     }
 188     else if (aCommand[0] == "pointer_coordination" )
 189     {
 190         float x = aCommand[1].toFloat();
 191         float y = aCommand[2].toFloat();
 192
 193         SAL_INFO( "sdremote", "Pointer at ("<<x<<","<<y<<")" );
 194         const css::geometry::RealPoint2D pos(x,y);
 195
 196         SolarMutexGuard aSolarGuard;
 197         if (xSlideShow.is()) try
 198         {
 199             xSlideShow->setProperty(
 200                         beans::PropertyValue( "PointerPosition" ,
 201                             -1,
 202                             makeAny( pos ),
 203                             beans::PropertyState_DIRECT_VALUE ) );
 204         }
 205         catch ( Exception& )
 206         {
 207             SAL_WARN( "sdremote", "sd::SlideShowImpl::setPointerPosition(), "
 208                 "exception caught: " << exceptionToString( cppu::getCaughtException() ));
 209         }
 210     }
 211     else if ( aCommand[0] == "presentation_resume" )
 212     {
 213         if ( xSlideShowController.is() )
 214         {
 215             xSlideShowController->resume();
 216         }
 217     }
 218 }
 219
 220 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */