# arts Library API Documentation

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# kplayobject.cc

    00001     /*
    00002
    00003     Copyright (C) 2001 Nikolas Zimmermann <wildfox@kde.org>
    00004
    00005     This library is free software; you can redistribute it and/or
    00006     modify it under the terms of the GNU Library General Public
    00007     License as published by the Free Software Foundation; either
    00008     version 2 of the License, or (at your option) any later version.
    00009
    00010     This library is distributed in the hope that it will be useful,
    00011     but WITHOUT ANY WARRANTY; without even the implied warranty of
    00012     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    00013     Library General Public License for more details.
    00014
    00015     You should have received a copy of the GNU Library General Public License
    00016     along with this library; see the file COPYING.LIB.  If not, write to
    00017     the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
    00018     Boston, MA 02111-1307, USA.
    00019
    00020     */
    00021
    00022 #include "kplayobject.h"
    00023 #include "kplayobject.moc"
    00024 #include "kplayobjectcreator.h"
    00025 #include <kdebug.h>
    00026
    00027 KPlayObject::KPlayObject() : QObject()
    00028 {
    00029     m_playObject = Arts::PlayObject::null();
    00030     m_isStream = false;
    00031 }
    00032
    00033 KPlayObject::KPlayObject(Arts::PlayObject playobject, bool isStream) : QObject()
    00034 {
    00035     m_playObject = playobject;
    00036     m_isStream = isStream;
    00037 }
    00038
    00039 KPlayObject::~KPlayObject()
    00040 {
    00041 }
    00042
    00043 void KPlayObject::play()
    00044 {
    00045     object().play();
    00046 }
    00047
    00048 void KPlayObject::seek(Arts::poTime newTime)
    00049 {
    00050     if(!m_isStream)
    00051         object().seek(newTime);
    00052     else
    00053         kdDebug( 400 ) << "Seeking in a Stream? huh?" << endl;
    00054 }
    00055
    00056 void KPlayObject::pause()
    00057 {
    00058     object().pause();
    00059 }
    00060
    00061 void KPlayObject::halt()
    00062 {
    00063     object().halt();
    00064 }
    00065
    00066 QString KPlayObject::description()
    00067 {
    00068     return QString::fromLatin1(object().description().c_str());
    00069 }
    00070
    00071 Arts::poTime KPlayObject::currentTime()
    00072 {
    00073     return object().currentTime();
    00074 }
    00075
    00076 Arts::poTime KPlayObject::overallTime()
    00077 {
    00078     return object().overallTime();
    00079 }
    00080
    00081 Arts::poCapabilities KPlayObject::capabilities()
    00082 {
    00083     return object().capabilities();
    00084 }
    00085
    00086 QString KPlayObject::mediaName()
    00087 {
    00088     return QString::fromLatin1(object().mediaName().c_str());
    00089 }
    00090
    00091 Arts::poState KPlayObject::state()
    00092 {
    00093     return object().state();
    00094 }
    00095
    00096 Arts::PlayObject KPlayObject::object()
    00097 {
    00098     return m_playObject;
    00099 }
    00100
    00101 bool KPlayObject::isNull()
    00102 {
    00103     if( !this )
    00104         return true;
    00105     return object().isNull();
    00106 }
    00107
    00108 void KPlayObject::setObject(Arts::PlayObject playObject)
    00109 {
    00110     m_playObject = playObject;
    00111 }
    00112
    00113 bool KPlayObject::stream()
    00114 {
    00115     return m_isStream;
    00116 }
    00117
    00118 struct KDE::PlayObject::PrivateData
    00119 {
    00120     PrivateData() : creator( 0 ),
    00121             isProxy( false ),
    00122             internalState( Arts::posIdle ) {}
    00123     ~PrivateData() {
    00124         delete creator;
    00125     }
    00126     Arts::SoundServerV2 server;
    00127     KDE::PlayObjectCreator* creator;
    00128     bool createBUS;
    00129     bool isProxy;
    00130     Arts::poState internalState;
    00131     KURL url;
    00132 };
    00133
    00134 KDE::PlayObject::PlayObject() : QObject()
    00135 {
    00136     m_playObject = Arts::PlayObject::null();
    00137     m_isStream = false;
    00138     d = new PrivateData;
    00139 }
    00140
    00141 KDE::PlayObject::PlayObject(Arts::PlayObject playobject, bool isStream) : QObject()
    00142 {
    00143     m_playObject = playobject;
    00144     m_isStream = isStream;
    00145     d = new PrivateData;
    00146
    00147     //very funny! you can't connect to signals before creating
    00148     //the object - so nobody will ever receive this signal (mkretz)
    00149     //
    00150     //emit playObjectCreated();
    00151 }
    00152
    00153 KDE::PlayObject::PlayObject( Arts::SoundServerV2 server, const KURL& url, bool isStream, bool createBUS ) : QObject()
    00154 {
    00155     kdDebug( 400 ) << "KDE::PlayObject: created as proxy for URL " << url.url()<< endl;
    00156
    00157     m_playObject = Arts::PlayObject::null();
    00158     m_isStream = isStream;
    00159     d = new PrivateData;
    00160     d->server = server;
    00161     d->url = url;
    00162     d->createBUS = createBUS;
    00163     d->isProxy = true;
    00164 }
    00165
    00166 KDE::PlayObject::~PlayObject()
    00167 {
    00168     kdDebug( 400 ) << "KDE::PlayObject: destroyed" << endl;
    00169
    00170     delete d;
    00171 }
    00172
    00173 void KDE::PlayObject::play()
    00174 {
    00175     kdDebug( 400 ) << "KDE::PlayObject::play()" << endl;
    00176
    00177     if ( object().isNull() ) {
    00178         if ( m_isStream ) {
    00179             if ( d->creator )
    00180                 delete d->creator;
    00181             d->creator = new KDE::PlayObjectCreator( d->server );
    00182             d->creator->create( d->url, d->createBUS, this, SLOT( attachPlayObject( Arts::PlayObject ) ) );
    00183             kdDebug( 400 ) << "KDE::PlayObject::play(): creator called" << endl;
    00184             d->internalState = Arts::posPlaying;
    00185         }
    00186         return;
    00187     }
    00188     object().play();
    00189 }
    00190
    00191 void KDE::PlayObject::attachPlayObject( Arts::PlayObject playObject )
    00192 {
    00193     kdDebug( 400 ) << "KDE::PlayObject::attachPlayObject()" << endl;
    00194
    00195     m_playObject = playObject;
    00196     emit playObjectCreated();
    00197     if ( object().isNull() )
    00198         return;
    00199     switch ( d->internalState ) {
    00200     case Arts::posIdle:
    00201         object().halt();
    00202         break;
    00203     case Arts::posPaused:
    00204         object().pause();
    00205         break;
    00206     case Arts::posPlaying:
    00207         object().play ();
    00208         break;
    00209     }
    00210 }
    00211
    00212 void KDE::PlayObject::seek(Arts::poTime newTime)
    00213 {
    00214     if ( object().isNull() )
    00215         return;
    00216     if(!m_isStream)
    00217         object().seek(newTime);
    00218     else
    00219         kdDebug( 400 ) << "Seeking in a Stream? huh?" << endl;
    00220 }
    00221
    00222 void KDE::PlayObject::pause()
    00223 {
    00224     if ( !object().isNull() )
    00225         object().pause();
    00226     d->internalState = Arts::posPaused;
    00227 }
    00228
    00229 void KDE::PlayObject::halt()
    00230 {
    00231     kdDebug( 400 ) << "KDE::PlayObject::halt()" << endl;
    00232     if ( !object().isNull() )
    00233         object().halt();
    00234     else if ( d->creator ) {
    00235         delete d->creator;
    00236         d->creator = 0;
    00237         kdDebug( 400 ) << "KDE::PlayObject::halt(): creator destroyed" << endl;
    00238     }
    00239     d->internalState = Arts::posIdle;
    00240 }
    00241
    00242 QString KDE::PlayObject::description()
    00243 {
    00244     if ( object().isNull() )
    00245         return QString();
    00246     return QString::fromLatin1(object().description().c_str());
    00247 }
    00248
    00249 Arts::poTime KDE::PlayObject::currentTime()
    00250 {
    00251     if ( object().isNull() )
    00252         return Arts::poTime( 0, 0, -1, "" );
    00253     return object().currentTime();
    00254 }
    00255
    00256 Arts::poTime KDE::PlayObject::overallTime()
    00257 {
    00258     if ( object().isNull() )
    00259         return Arts::poTime( 0, 0, -1, "" );
    00260     return object().overallTime();
    00261 }
    00262
    00263 Arts::poCapabilities KDE::PlayObject::capabilities()
    00264 {
    00265     if ( object().isNull() )
    00266         return static_cast<Arts::poCapabilities>( 0 );
    00267     return object().capabilities();
    00268 }
    00269
    00270 QString KDE::PlayObject::mediaName()
    00271 {
    00272     if ( object().isNull() )
    00273         return QString();
    00274     return QString::fromLatin1(object().mediaName().c_str());
    00275 }
    00276
    00277 Arts::poState KDE::PlayObject::state()
    00278 {
    00279     if ( object().isNull() )
    00280         return d->internalState;
    00281     return object().state();
    00282 }
    00283
    00284 Arts::PlayObject KDE::PlayObject::object()
    00285 {
    00286     return m_playObject;
    00287 }
    00288
    00289 bool KDE::PlayObject::isNull()
    00290 {
    00291     if ( !this )
    00292         return true;
    00293     if ( d->isProxy )
    00294         return false;
    00295     return object().isNull();
    00296 }
    00297
    00298 bool KDE::PlayObject::stream()
    00299 {
    00300     return m_isStream;
    00301 }
    00302
    00303 // vim: sw=4 ts=4 noet

This file is part of the documentation for arts Library Version 3.4.1.
Documentation copyright © 1996-2004 the KDE developers.
Generated on Sat Jun 11 20:27:55 2005 by doxygen 1.4.1 written by Dimitri van Heesch, © 1997-2003