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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: */