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-rw-r--r--slideshow/source/engine/soundplayer.cxx172
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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 <com/sun/star/lang/NoSupportException.hpp>
+#include <com/sun/star/lang/XComponent.hpp>
+
+#include <tools/urlobj.hxx>
+
+#include <avmedia/mediawindow.hxx>
+#include <mediafilemanager.hxx>
+#include <soundplayer.hxx>
+
+#include <algorithm>
+
+using namespace ::com::sun::star;
+
+
+namespace slideshow::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,
+ MediaFileManager& rMediaFileManager)
+ {
+ std::shared_ptr<SoundPlayer> pPlayer(
+ new SoundPlayer( rEventMultiplexer,
+ rSoundURL,
+ rComponentContext,
+ rMediaFileManager) );
+ 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,
+ MediaFileManager& rMediaFileManager)
+ : mrEventMultiplexer(rEventMultiplexer),
+ mThis(),
+ mxPlayer()
+ {
+ ENSURE_OR_THROW( rComponentContext.is(),
+ "SoundPlayer::SoundPlayer(): Invalid component context" );
+
+ try
+ {
+ if (rSoundURL.startsWithIgnoreAsciiCase("vnd.sun.star.Package:"))
+ {
+ mpMediaTempFile = rMediaFileManager.getMediaTempFile(rSoundURL);
+ }
+ const INetURLObject aURL( mpMediaTempFile ? mpMediaTempFile->m_TempFileURL : rSoundURL );
+ mxPlayer = avmedia::MediaWindow::createPlayer(
+ aURL.GetMainURL( INetURLObject::DecodeMechanism::Unambiguous ), ""/*TODO!*/ );
+ }
+ 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 &) {
+ TOOLS_WARN_EXCEPTION( "slideshow", "" );
+ }
+ }
+
+ 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 );
+ }
+
+ bool SoundPlayer::isPlaying() const
+ {
+ return mxPlayer->isPlaying();
+ }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */