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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 <sal/config.h>
#include <com/sun/star/lang/NoSupportException.hpp>
#include <eventqueue.hxx>
#include "animationaudionode.hxx"
#include <delayevent.hxx>
using namespace com::sun::star;
namespace slideshow::internal {
AnimationAudioNode::AnimationAudioNode(
const uno::Reference< animations::XAnimationNode >& xNode,
const BaseContainerNodeSharedPtr& rParent,
const NodeContext& rContext )
: BaseNode( xNode, rParent, rContext ),
mxAudioNode( xNode, uno::UNO_QUERY_THROW ),
maSoundURL(),
mpPlayer()
{
mxAudioNode->getSource() >>= maSoundURL;
OSL_ENSURE( !maSoundURL.isEmpty(),
"could not extract sound source URL/empty URL string" );
ENSURE_OR_THROW( getContext().mxComponentContext.is(),
"Invalid component context" );
}
void AnimationAudioNode::dispose()
{
resetPlayer();
mxAudioNode.clear();
BaseNode::dispose();
}
void AnimationAudioNode::activate_st()
{
createPlayer();
AnimationEventHandlerSharedPtr aHandler(
std::dynamic_pointer_cast<AnimationEventHandler>( getSelf() ) );
OSL_ENSURE( aHandler,
"could not cast self to AnimationEventHandler?" );
getContext().mrEventMultiplexer.addCommandStopAudioHandler( aHandler );
if (mpPlayer && mpPlayer->startPlayback())
{
// TODO(F2): Handle end time attribute, too
if( getXAnimationNode()->getDuration().hasValue() )
{
scheduleDeactivationEvent();
}
else
{
// no node duration. Take inherent media time. We have to recheck
// if the player is playing in case the duration isn't accurate
// or the progress fall behind.
auto self(getSelf());
scheduleDeactivationEvent(
makeDelay( [this] () { this->checkPlayingStatus(); },
mpPlayer->getDuration(),
"AnimationAudioNode::check if still playing with delay") );
}
}
else
{
// deactivate ASAP:
auto self(getSelf());
scheduleDeactivationEvent(
makeEvent( [self] () { self->deactivate(); },
"AnimationAudioNode::deactivate without delay") );
}
}
// TODO(F2): generate deactivation event, when sound
// is over
namespace {
// libc++ and MSVC std::bind doesn't cut it here, and it's not possible to use
// a lambda because the preprocessor thinks that comma in capture list
// separates macro parameters
struct NotifyAudioStopped
{
EventMultiplexer & m_rEventMultiplexer;
::std::shared_ptr<BaseNode> m_pSelf;
NotifyAudioStopped(EventMultiplexer & rEventMultiplexer,
::std::shared_ptr<BaseNode> const& pSelf)
: m_rEventMultiplexer(rEventMultiplexer), m_pSelf(pSelf) { }
void operator()()
{
m_rEventMultiplexer.notifyAudioStopped(m_pSelf);
}
};
}
void AnimationAudioNode::deactivate_st( NodeState /*eDestState*/ )
{
AnimationEventHandlerSharedPtr aHandler(
std::dynamic_pointer_cast<AnimationEventHandler>( getSelf() ) );
OSL_ENSURE( aHandler,
"could not cast self to AnimationEventHandler?" );
getContext().mrEventMultiplexer.removeCommandStopAudioHandler( aHandler );
// force-end sound
if (mpPlayer)
{
mpPlayer->stopPlayback();
resetPlayer();
}
// notify _after_ state change:
getContext().mrEventQueue.addEvent(
makeEvent( NotifyAudioStopped(getContext().mrEventMultiplexer, getSelf()),
"AnimationAudioNode::notifyAudioStopped") );
}
bool AnimationAudioNode::hasPendingAnimation() const
{
// force slide to use the animation framework
// (otherwise, a single sound on the slide would
// not be played).
return true;
}
void AnimationAudioNode::createPlayer() const
{
if (mpPlayer)
return;
try
{
mpPlayer = SoundPlayer::create( getContext().mrEventMultiplexer,
maSoundURL,
getContext().mxComponentContext,
getContext().mrMediaFileManager);
}
catch( lang::NoSupportException& )
{
// catch possible exceptions from SoundPlayer,
// since being not able to playback the sound
// is not a hard error here (remainder of the
// animations should still work).
}
}
void AnimationAudioNode::resetPlayer() const
{
if (mpPlayer)
{
mpPlayer->stopPlayback();
mpPlayer->dispose();
mpPlayer.reset();
}
}
bool AnimationAudioNode::handleAnimationEvent(
const AnimationNodeSharedPtr& /*rNode*/ )
{
// TODO(F2): for now we support only STOPAUDIO events.
deactivate();
return true;
}
void AnimationAudioNode::checkPlayingStatus()
{
auto self(getSelf());
double nDuration = mpPlayer->getDuration();
if (!mpPlayer->isPlaying() || nDuration < 0.0)
nDuration = 0.0;
scheduleDeactivationEvent(
makeDelay( [self] () { self->deactivate(); },
nDuration,
"AnimationAudioNode::deactivate with delay") );
}
} // namespace slideshow::internal
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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