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Diffstat (limited to '')
| -rw-r--r-- | slideshow/source/engine/animationnodes/animationaudionode.cxx | 203 |
1 files changed, 203 insertions, 0 deletions
diff --git a/slideshow/source/engine/animationnodes/animationaudionode.cxx b/slideshow/source/engine/animationnodes/animationaudionode.cxx new file mode 100644 index 000000000..c6eb61d17 --- /dev/null +++ b/slideshow/source/engine/animationnodes/animationaudionode.cxx @@ -0,0 +1,203 @@ +/* -*- 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: */ |