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Diffstat (limited to '')
-rw-r--r-- | slideshow/source/engine/soundplayer.cxx | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/slideshow/source/engine/soundplayer.cxx b/slideshow/source/engine/soundplayer.cxx new file mode 100644 index 000000000..c0ae300c1 --- /dev/null +++ b/slideshow/source/engine/soundplayer.cxx @@ -0,0 +1,177 @@ +/* -*- 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 <config_features.h> +#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" ); + +#if !HAVE_FEATURE_AVMEDIA + (void) rMediaFileManager; +#else + 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& ) + { + } +#endif + + 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: */ |