/************************************************************** * * 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 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. * *************************************************************/ #ifndef INCLUDED_SLIDESHOW_SOUNDPLAYER_HXX #define INCLUDED_SLIDESHOW_SOUNDPLAYER_HXX #include #include #include #include #include #include "pauseeventhandler.hxx" #include "disposable.hxx" #include "eventmultiplexer.hxx" /* Definition of SoundPlayer class */ namespace slideshow { namespace internal { /** Little class that plays a sound from a URL. TODO: Must be explicitly disposed (as long as enable_shared_ptr_from_this isn't available)! */ class SoundPlayer : public PauseEventHandler, public Disposable { public: /** Create a sound player object. @param rSoundURL URL to a sound file. @param rComponentContext Reference to a component context, used to create the needed services @throws ::com::sun::star::lang::NoSupportException, if the sound file is invalid, or not supported by the player service. */ static ::boost::shared_ptr create( EventMultiplexer & rEventMultiplexer, const ::rtl::OUString& rSoundURL, const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext>& rComponentContext ); virtual ~SoundPlayer(); /** Query duration of sound playback. If the sound is already playing, this method returns the remaining playback time. @return the playback duration in seconds. */ double getDuration() const; bool startPlayback(); bool stopPlayback(); void setPlaybackLoop( bool bLoop ); // PauseEventHandler: virtual bool handlePause( bool bPauseShow ); // Disposable virtual void dispose(); private: SoundPlayer( EventMultiplexer & rEventMultiplexer, const ::rtl::OUString& rSoundURL, const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext>& rComponentContext ); EventMultiplexer & mrEventMultiplexer; // TODO(Q3): obsolete when boost::enable_shared_ptr_from_this // is available ::boost::shared_ptr mThis; ::com::sun::star::uno::Reference< ::com::sun::star::media::XPlayer > mxPlayer; }; typedef ::boost::shared_ptr< SoundPlayer > SoundPlayerSharedPtr; } } #endif /* INCLUDED_SLIDESHOW_SOUNDPLAYER_HXX */