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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include <tools/diagnose_ex.h>
#include <comphelper/anytostring.hxx>
#include <cppuhelper/exc_hlp.hxx>
#include <com/sun/star/lang/XMultiComponentFactory.hpp>
#include <com/sun/star/lang/NoSupportException.hpp>
#include <com/sun/star/lang/XComponent.hpp>
#include <tools/urlobj.hxx>
#include <avmedia/mediawindow.hxx>
#include <soundplayer.hxx>
#include <algorithm>
using namespace ::com::sun::star;
namespace slideshow
{
namespace internal
{
// TODO(Q3): Move the whole SoundPlayer class to avmedia.
std::shared_ptr<SoundPlayer> SoundPlayer::create(
EventMultiplexer & rEventMultiplexer,
const OUString& rSoundURL,
const uno::Reference< uno::XComponentContext>& rComponentContext )
{
std::shared_ptr<SoundPlayer> pPlayer(
new SoundPlayer( rEventMultiplexer,
rSoundURL,
rComponentContext ) );
rEventMultiplexer.addPauseHandler( pPlayer );
pPlayer->mThis = pPlayer;
return pPlayer;
}
bool SoundPlayer::handlePause( bool bPauseShow )
{
return bPauseShow ? stopPlayback() : startPlayback();
}
void SoundPlayer::dispose()
{
if( mThis )
{
mrEventMultiplexer.removePauseHandler( mThis );
mThis.reset();
}
if( mxPlayer.is() )
{
mxPlayer->stop();
uno::Reference<lang::XComponent> xComponent(
mxPlayer, uno::UNO_QUERY );
if( xComponent.is() )
xComponent->dispose();
mxPlayer.clear();
}
}
SoundPlayer::SoundPlayer(
EventMultiplexer & rEventMultiplexer,
const OUString& rSoundURL,
const uno::Reference< uno::XComponentContext>& rComponentContext )
: mrEventMultiplexer(rEventMultiplexer),
mThis(),
mxPlayer()
{
ENSURE_OR_THROW( rComponentContext.is(),
"SoundPlayer::SoundPlayer(): Invalid component context" );
try
{
const INetURLObject aURL( rSoundURL );
mxPlayer.set( avmedia::MediaWindow::createPlayer(
aURL.GetMainURL( INetURLObject::DecodeMechanism::Unambiguous ), ""/*TODO!*/ ),
uno::UNO_QUERY);
}
catch( uno::RuntimeException& )
{
throw;
}
catch( uno::Exception& )
{
}
if( !mxPlayer.is() )
throw lang::NoSupportException(
"No sound support for " + rSoundURL );
}
SoundPlayer::~SoundPlayer()
{
try
{
dispose();
}
catch (uno::Exception &) {
SAL_WARN( "slideshow", comphelper::anyToString( cppu::getCaughtException() ) );
}
}
double SoundPlayer::getDuration() const
{
if( !mxPlayer.is() )
return 0.0;
const double nDuration( mxPlayer->getDuration() );
if( mxPlayer->isPlaying() )
return ::std::max( 0.0,
nDuration - mxPlayer->getMediaTime() );
else
return nDuration;
}
bool SoundPlayer::startPlayback()
{
if( !mxPlayer.is() )
return false;
if( mxPlayer->isPlaying() )
mxPlayer->stop();
mxPlayer->start();
return true;
}
bool SoundPlayer::stopPlayback()
{
if( mxPlayer.is() )
mxPlayer->stop();
return true;
}
void SoundPlayer::setPlaybackLoop( bool bLoop )
{
if( mxPlayer.is() )
mxPlayer->setPlaybackLoop( bLoop );
}
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
