workspace/plasma/dataengines/nowplaying/playeractionjob.cpp

   1 /*
   2  * Copyright 2008  Alex Merry <alex.merry@kdemail.net>
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor,
  17  * Boston, MA  02110-1301  USA
  18  */
  19
  20 #include "playeractionjob.h"
  21
  22 #include <kdebug.h>
  23
  24 void PlayerActionJob::start()
  25 {
  26     kDebug() << "Trying to perform the action" << operationName();
  27     if (!m_player) {
  28         setErrorText(i18n("The player '%1' cannot be found", destination()));
  29         setError(-1);
  30         emitResult();
  31         return;
  32     }
  33
  34     const QString operation(operationName());
  35     if (operation == "play") {
  36         if (m_player->canPlay()) {
  37             m_player->play();
  38         } else {
  39             setErrorText(i18n("The player '%1' cannot perform the action 'play'", m_player->name()));
  40             setError(-1);
  41         }
  42     } else if (operation == "pause") {
  43         if (m_player->canPause()) {
  44             m_player->pause();
  45         } else {
  46             setErrorText(i18n("The player '%1' cannot perform the action 'pause'", m_player->name()));
  47             setError(-1);
  48         }
  49     } else if (operation == "stop") {
  50         if (m_player->canStop()) {
  51             m_player->stop();
  52         } else {
  53             setErrorText(i18n("The player '%1' cannot perform the action 'stop'", m_player->name()));
  54             setError(-1);
  55         }
  56     } else if (operation == "previous") {
  57         if (m_player->canGoPrevious()) {
  58             m_player->previous();
  59         } else {
  60             setErrorText(i18n("The player '%1' cannot perform the action 'previous'", m_player->name()));
  61             setError(-1);
  62         }
  63     } else if (operation == "next") {
  64         if (m_player->canGoNext()) {
  65             m_player->next();
  66         } else {
  67             setErrorText(i18n("The player '%1' cannot perform the action 'next'", m_player->name()));
  68             setError(-1);
  69         }
  70     } else if (operation == "volume") {
  71         if (m_player->canSetVolume()) {
  72             if (parameters().contains("level")) {
  73                 qreal volume = parameters()["level"].toDouble();
  74                 if (volume >= 0.0 && volume <= 1.0) {
  75                     m_player->setVolume(volume);
  76                 } else {
  77                     setErrorText(i18n("The 'level' argument to the 'volume' command must be between 0 and 1"));
  78                     setError(-2);
  79                 }
  80             } else {
  81                 setErrorText(i18n("The 'volume' command requires a 'level' argument"));
  82                 setError(-2);
  83             }
  84         } else {
  85             setErrorText(i18n("The player '%1' cannot perform the action 'volume'", m_player->name()));
  86             setError(-1);
  87         }
  88     } else if (operation == "seek") {
  89         if (m_player->canSeek()) {
  90             if (parameters().contains("seconds")) {
  91                 qreal time = parameters()["seconds"].toInt();
  92                 if (time >= 0 && time <= m_player->length()) {
  93                     m_player->seek(time);
  94                 } else {
  95                     setErrorText(i18n("The 'seconds' argument to the 'seek' command must be "
  96                                       "between 0 and the length of the track"));
  97                     setError(-2);
  98                 }
  99             } else {
 100                 setErrorText(i18n("The 'seek' command requires a 'seconds' argument"));
 101                 setError(-2);
 102             }
 103         } else {
 104             setErrorText(i18n("The player '%1' cannot perform the action 'seek'", m_player->name()));
 105             setError(-1);
 106         }
 107     }
 108     if (error()) {
 109         kDebug() << "Failed with error" << errorText();
 110     }
 111     emitResult();
 112 }
 113
 114 #include "playeractionjob.moc"
 115
 116 // vim: sw=4 sts=4 et tw=100