183 lines
5.6 KiB
C++
183 lines
5.6 KiB
C++
/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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// MARKER(update_precomp.py): autogen include statement, do not remove
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#include "precompiled_slideshow.hxx"
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#include <canvas/debug.hxx>
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#include <tools/diagnose_ex.h>
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#include <canvas/verbosetrace.hxx>
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#include <comphelper/anytostring.hxx>
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#include <cppuhelper/exc_hlp.hxx>
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#include <com/sun/star/lang/XMultiComponentFactory.hpp>
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#include <com/sun/star/lang/NoSupportException.hpp>
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#include <com/sun/star/lang/XComponent.hdl>
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#include <tools/urlobj.hxx>
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#include <avmedia/mediawindow.hxx>
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#include "soundplayer.hxx"
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#include <algorithm>
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using namespace ::com::sun::star;
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namespace slideshow
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{
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namespace internal
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{
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// TODO(Q3): Move the whole SoundPlayer class to avmedia.
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boost::shared_ptr<SoundPlayer> SoundPlayer::create(
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EventMultiplexer & rEventMultiplexer,
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const ::rtl::OUString& rSoundURL,
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const uno::Reference< uno::XComponentContext>& rComponentContext )
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{
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boost::shared_ptr<SoundPlayer> pPlayer(
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new SoundPlayer( rEventMultiplexer,
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rSoundURL,
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rComponentContext ) );
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rEventMultiplexer.addPauseHandler( pPlayer );
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pPlayer->mThis = pPlayer;
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return pPlayer;
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}
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bool SoundPlayer::handlePause( bool bPauseShow )
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{
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return bPauseShow ? stopPlayback() : startPlayback();
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}
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void SoundPlayer::dispose()
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{
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if( mThis )
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{
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mrEventMultiplexer.removePauseHandler( mThis );
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mThis.reset();
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}
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if( mxPlayer.is() )
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{
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mxPlayer->stop();
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uno::Reference<lang::XComponent> xComponent(
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mxPlayer, uno::UNO_QUERY );
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if( xComponent.is() )
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xComponent->dispose();
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mxPlayer.clear();
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}
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}
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SoundPlayer::SoundPlayer(
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EventMultiplexer & rEventMultiplexer,
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const ::rtl::OUString& rSoundURL,
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const uno::Reference< uno::XComponentContext>& rComponentContext )
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: mrEventMultiplexer(rEventMultiplexer),
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mThis(),
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mxPlayer()
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{
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ENSURE_OR_THROW( rComponentContext.is(),
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"SoundPlayer::SoundPlayer(): Invalid component context" );
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try
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{
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const INetURLObject aURL( rSoundURL );
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mxPlayer.set( avmedia::MediaWindow::createPlayer(
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aURL.GetMainURL( INetURLObject::DECODE_UNAMBIGUOUS ) ),
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uno::UNO_QUERY);
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}
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catch( uno::RuntimeException& )
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{
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throw;
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}
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catch( uno::Exception& )
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{
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}
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if( !mxPlayer.is() )
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throw lang::NoSupportException(
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rtl::OUString( RTL_CONSTASCII_USTRINGPARAM(
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"No sound support for ") ) + rSoundURL,
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uno::Reference<uno::XInterface>() );
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}
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SoundPlayer::~SoundPlayer()
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{
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try
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{
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dispose();
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}
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catch (uno::Exception &) {
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OSL_ENSURE( false, rtl::OUStringToOString(
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comphelper::anyToString(
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cppu::getCaughtException() ),
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RTL_TEXTENCODING_UTF8 ).getStr() );
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}
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}
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double SoundPlayer::getDuration() const
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{
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if( !mxPlayer.is() )
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return 0.0;
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const double nDuration( mxPlayer->getDuration() );
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if( mxPlayer->isPlaying() )
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return ::std::max( 0.0,
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nDuration - mxPlayer->getMediaTime() );
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else
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return nDuration;
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}
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bool SoundPlayer::startPlayback()
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{
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if( !mxPlayer.is() )
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return false;
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if( mxPlayer->isPlaying() )
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mxPlayer->stop();
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mxPlayer->start();
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return true;
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}
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bool SoundPlayer::stopPlayback()
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{
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if( mxPlayer.is() )
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mxPlayer->stop();
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return true;
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}
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void SoundPlayer::setPlaybackLoop( bool bLoop )
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{
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if( mxPlayer.is() )
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mxPlayer->setPlaybackLoop( bLoop );
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}
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}
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}
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