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
  19 #include <comphelper/processfactory.hxx>
  20 #include <osl/file.hxx>
  21 #include <rtl/ustrbuf.hxx>
  22 #include <rtl/strbuf.hxx>
  23
  24 using namespace sd;
  25 using namespace ::com::sun::star;
  26 using namespace ::osl;
  27 using namespace std;
  28
  29 Receiver::Receiver( Transmitter *aTransmitter )
  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::Timeout()
  48 {
  49     if( maExecQueue.size() )
  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     try {
  66         uno::Reference< frame::XDesktop2 > xFramesSupplier = frame::Desktop::create( ::comphelper::getProcessComponentContext() );
  67         uno::Reference< frame::XFrame > xFrame ( xFramesSupplier->getActiveFrame(), uno::UNO_QUERY_THROW );
  68         uno::Reference<presentation::XPresentationSupplier> xPS ( xFrame->getController()->getModel(), uno::UNO_QUERY_THROW);
  69         xPresentation = uno::Reference<presentation::XPresentation2>(
  70             xPS->getPresentation(), uno::UNO_QUERY_THROW);
  71         // Throws an exception if now slideshow running
  72         xSlideShowController =  uno::Reference<presentation::XSlideShowController>(
  73            xPresentation->getController(), uno::UNO_QUERY_THROW );
  74     }
  75     catch (uno::RuntimeException &)
  76     {
  77     }
  78
  79     if ( aCommand[0].equals( "transition_next" ) )
  80     {
  81         if ( xSlideShowController.is() )
  82             xSlideShowController->gotoNextEffect();
  83     }
  84     else if ( aCommand[0].equals( "transition_previous" ) )
  85     {
  86         if ( xSlideShowController.is() )
  87             xSlideShowController->gotoPreviousEffect();
  88     }
  89     else if ( aCommand[0].equals( "goto_slide" ) )
  90     {
  91         // FIXME: if 0 returned, then not a valid number
  92         sal_Int32 aSlide = aCommand[1].toInt32();
  93         if ( xSlideShowController.is() &&
  94             xSlideShowController->getCurrentSlideIndex() != aSlide )
  95         {
  96             xSlideShowController->gotoSlideIndex( aSlide );
  97         }
  98     }
  99     else if ( aCommand[0].equals( "presentation_start" ) )
 100     {
 101         if ( xPresentation.is() )
 102             xPresentation->start();
 103     }
 104     else if ( aCommand[0].equals( "presentation_stop" ) )
 105     {
 106         if ( xPresentation.is() )
 107             xPresentation->end();
 108     }
 109     else if ( aCommand[0].equals( "presentation_blank_screen" ) )
 110     {
 111         sal_Int32 aColour = 0; // Default is black
 112         if ( aCommand.size() > 1 )
 113         {
 114 //             aColour = FIXME: get the colour in some format from this string
 115 //              Determine the formatting first.
 116         }
 117         if ( xSlideShowController.is() )
 118         {
 119             xSlideShowController->blankScreen( aColour );
 120         }
 121     }
 122     else if ( aCommand[0].equals( "presentation_resume" ) )
 123     {
 124         if ( xSlideShowController.is() )
 125         {
 126             xSlideShowController->resume();
 127         }
 128     }
 129 }
 130
 131 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */