Line data    Source code

       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             : #include <canvas/debug.hxx>
      22             : #include <tools/diagnose_ex.h>
      23             : #include <canvas/verbosetrace.hxx>
      24             : 
      25             : #include <comphelper/anytostring.hxx>
      26             : #include <cppuhelper/exc_hlp.hxx>
      27             : 
      28             : #include <com/sun/star/lang/XMultiComponentFactory.hpp>
      29             : #include <com/sun/star/lang/NoSupportException.hpp>
      30             : #include <com/sun/star/lang/XComponent.hpp>
      31             : 
      32             : #include <tools/urlobj.hxx>
      33             : 
      34             : #include <avmedia/mediawindow.hxx>
      35             : 
      36             : #include "soundplayer.hxx"
      37             : 
      38             : #include <algorithm>
      39             : 
      40             : using namespace ::com::sun::star;
      41             : 
      42             : 
      43             : namespace slideshow
      44             : {
      45             :     namespace internal
      46             :     {
      47             :         // TODO(Q3): Move the whole SoundPlayer class to avmedia.
      48             : 
      49           0 :         boost::shared_ptr<SoundPlayer> SoundPlayer::create(
      50             :             EventMultiplexer & rEventMultiplexer,
      51             :             const OUString& rSoundURL,
      52             :             const uno::Reference< uno::XComponentContext>&  rComponentContext )
      53             :         {
      54             :             boost::shared_ptr<SoundPlayer> pPlayer(
      55             :                 new SoundPlayer( rEventMultiplexer,
      56             :                                  rSoundURL,
      57           0 :                                  rComponentContext ) );
      58           0 :             rEventMultiplexer.addPauseHandler( pPlayer );
      59           0 :             pPlayer->mThis = pPlayer;
      60           0 :             return pPlayer;
      61             :         }
      62             : 
      63           0 :         bool SoundPlayer::handlePause( bool bPauseShow )
      64             :         {
      65           0 :             return bPauseShow ? stopPlayback() : startPlayback();
      66             :         }
      67             : 
      68           0 :         void SoundPlayer::dispose()
      69             :         {
      70           0 :             if( mThis )
      71             :             {
      72           0 :                 mrEventMultiplexer.removePauseHandler( mThis );
      73           0 :                 mThis.reset();
      74             :             }
      75             : 
      76           0 :             if( mxPlayer.is() )
      77             :             {
      78           0 :                 mxPlayer->stop();
      79             :                 uno::Reference<lang::XComponent> xComponent(
      80           0 :                     mxPlayer, uno::UNO_QUERY );
      81           0 :                 if( xComponent.is() )
      82           0 :                     xComponent->dispose();
      83           0 :                 mxPlayer.clear();
      84             :             }
      85           0 :         }
      86             : 
      87           0 :         SoundPlayer::SoundPlayer(
      88             :             EventMultiplexer & rEventMultiplexer,
      89             :             const OUString& rSoundURL,
      90             :             const uno::Reference< uno::XComponentContext>&  rComponentContext )
      91             :             : mrEventMultiplexer(rEventMultiplexer),
      92             :               mThis(),
      93           0 :               mxPlayer()
      94             :         {
      95           0 :             ENSURE_OR_THROW( rComponentContext.is(),
      96             :                               "SoundPlayer::SoundPlayer(): Invalid component context" );
      97             : 
      98             :             try
      99             :             {
     100           0 :                 const INetURLObject aURL( rSoundURL );
     101             :                 mxPlayer.set( avmedia::MediaWindow::createPlayer(
     102             :                                 aURL.GetMainURL( INetURLObject::DECODE_UNAMBIGUOUS ), ""/*TODO!*/ ),
     103           0 :                                 uno::UNO_QUERY);
     104             :             }
     105           0 :             catch( uno::RuntimeException& )
     106             :             {
     107           0 :                 throw;
     108             :             }
     109           0 :             catch( uno::Exception& )
     110             :             {
     111             :             }
     112             : 
     113           0 :             if( !mxPlayer.is() )
     114             :                 throw lang::NoSupportException(
     115             :                     OUString(
     116           0 :                                        "No sound support for ") + rSoundURL,
     117           0 :                     uno::Reference<uno::XInterface>() );
     118           0 :         }
     119             : 
     120           0 :         SoundPlayer::~SoundPlayer()
     121             :         {
     122             :             try
     123             :             {
     124           0 :                 dispose();
     125             :             }
     126           0 :             catch (uno::Exception &) {
     127             :                 OSL_FAIL( OUStringToOString(
     128             :                                 comphelper::anyToString(
     129             :                                     cppu::getCaughtException() ),
     130             :                                 RTL_TEXTENCODING_UTF8 ).getStr() );
     131             :             }
     132           0 :         }
     133             : 
     134           0 :         double SoundPlayer::getDuration() const
     135             :         {
     136           0 :             if( !mxPlayer.is() )
     137           0 :                 return 0.0;
     138             : 
     139           0 :             const double nDuration( mxPlayer->getDuration() );
     140           0 :             if( mxPlayer->isPlaying() )
     141             :                 return ::std::max( 0.0,
     142           0 :                                    nDuration - mxPlayer->getMediaTime() );
     143             :             else
     144           0 :                 return nDuration;
     145             :         }
     146             : 
     147           0 :         bool SoundPlayer::startPlayback()
     148             :         {
     149           0 :             if( !mxPlayer.is() )
     150           0 :                 return false;
     151             : 
     152           0 :             if( mxPlayer->isPlaying() )
     153           0 :                 mxPlayer->stop();
     154             : 
     155           0 :             mxPlayer->start();
     156           0 :             return true;
     157             :         }
     158             : 
     159           0 :         bool SoundPlayer::stopPlayback()
     160             :         {
     161           0 :             if( mxPlayer.is() )
     162           0 :                 mxPlayer->stop();
     163             : 
     164           0 :             return true;
     165             :         }
     166             : 
     167           0 :         void SoundPlayer::setPlaybackLoop( bool bLoop )
     168             :         {
     169           0 :             if( mxPlayer.is() )
     170           0 :                 mxPlayer->setPlaybackLoop( bLoop );
     171           0 :         }
     172             :     }
     173             : }
     174             : 
     175             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */