musikclass.cpp

   1 // andrea diamantini - adjam7@gmail.com
   2 // musik - simplest KDE4 audio player
   3 // file musikui.cpp
   4
   5 #include <QtGui>
   6 #include <KFileDialog>
   7
   8 #include "musikclass.h"
   9 #include "musikedit.h"
  10
  11
  12 Musik::Musik()
  13 {
  14     audioOutput = new Phonon::AudioOutput(Phonon::MusicCategory, this);
  15     mediaObject = new Phonon::MediaObject(this);
  16
  17     connect( mediaObject, SIGNAL(stateChanged(Phonon::State, Phonon::State)),
  18             this, SLOT(changeState(Phonon::State, Phonon::State)));
  19
  20     Phonon::createPath(mediaObject, audioOutput);
  21
  22     setupActions();
  23     setupUi();
  24 };
  25
  26 Musik::~Musik()
  27 {};
  28
  29
  30 void Musik::setupActions()
  31 {
  32     playAction = new QAction(style()->standardIcon(QStyle::SP_MediaPlay),
  33                                                     tr("Play"), this);
  34     playAction->setShortcut(tr("Crl+P"));
  35     playAction->setDisabled(true);
  36
  37
  38     pauseAction = new QAction(style()->standardIcon(QStyle::SP_MediaPause),
  39                                                     tr("Pause"), this);
  40     pauseAction->setShortcut(tr("Space"));
  41     pauseAction->setDisabled(true);
  42
  43
  44     stopAction = new QAction(style()->standardIcon(QStyle::SP_MediaStop),
  45                                                     tr("Stop"), this);
  46     stopAction->setShortcut(tr("Ctrl+S"));
  47     stopAction->setDisabled(true);
  48
  49
  50     openFileAction = new QAction(style()->standardIcon(QStyle::SP_FileDialogStart),
  51                                                     tr("Add &Files"), this);
  52     openFileAction->setShortcut(tr("Ctrl+F"));
  53
  54
  55     editTagAction = new QAction(style()->standardIcon(QStyle::SP_FileDialogContentsView),
  56                                                     tr("Edit Tag"), this);
  57     editTagAction->setShortcut(tr("Crl+E"));
  58     editTagAction->setDisabled(true);
  59
  60
  61     connect ( playAction,     SIGNAL( triggered() ), mediaObject, SLOT( play() ) );
  62     connect ( pauseAction,    SIGNAL( triggered() ), mediaObject, SLOT( pause() ) );
  63     connect ( stopAction,     SIGNAL( triggered() ), mediaObject, SLOT( stop() ) );
  64     connect ( openFileAction, SIGNAL( triggered() ), this,        SLOT( chooseFile() ) );
  65     connect ( editTagAction,  SIGNAL( triggered() ), this,        SLOT( editTag() ) );
  66 }
  67
  68
  69 void Musik::setupUi()
  70 {
  71     line = new QLineEdit;
  72     line->setReadOnly(true);
  73
  74     QToolBar *bar = new QToolBar;
  75     bar->addAction(playAction);
  76     bar->addAction(pauseAction);
  77     bar->addAction(stopAction);
  78     bar->addAction(openFileAction);
  79     bar->addAction(editTagAction);
  80
  81     seekSlider = new Phonon::SeekSlider(this);
  82     seekSlider->setMediaObject(mediaObject);
  83
  84     volumeSlider = new Phonon::VolumeSlider(this);
  85     volumeSlider->setAudioOutput(audioOutput);
  86     volumeSlider->setSizePolicy(QSizePolicy::Maximum, QSizePolicy::Maximum);
  87
  88     QLabel *volumeLabel = new QLabel;
  89     volumeLabel->setPixmap(QPixmap("images/volume.png"));
  90
  91     QHBoxLayout *seekerLayout = new QHBoxLayout;
  92     seekerLayout->addWidget(seekSlider);
  93
  94     QVBoxLayout *upperLayout = new QVBoxLayout;
  95     upperLayout->addWidget(line);
  96     upperLayout->addLayout(seekerLayout);
  97
  98     QHBoxLayout *playbackLayout = new QHBoxLayout;
  99     playbackLayout->addWidget(bar);
 100     playbackLayout->addStretch();
 101     playbackLayout->addWidget(volumeLabel);
 102     playbackLayout->addWidget(volumeSlider);
 103
 104     QVBoxLayout *mainLayout = new QVBoxLayout;
 105     mainLayout->addLayout(upperLayout);
 106     mainLayout->addLayout(playbackLayout);
 107
 108     setLayout(mainLayout);
 109     setWindowTitle("Musik");
 110     setWindowIcon( QIcon("/DATI/future/kde/src/musik/musik.png") );        // FIXME
 111 }
 112
 113 // ----------------------------------------------------------------------
 114
 115 void Musik::chooseFile()
 116 {
 117     filePath = KFileDialog::getOpenFileName(KUrl(),
 118                                             "Audio ( *.mp3 , *.wav , *.ogg )",
 119                                             this,
 120                                             tr("Open audio file") );
 121
 122     if( !filePath.isEmpty() )
 123     {
 124         mediaObject->setCurrentSource(filePath);
 125         playAction->setDisabled(false);
 126     }
 127
 128     mediaObject->play();
 129 };
 130
 131
 132 void Musik::changeState(Phonon::State newState, Phonon::State /* oldState */ )
 133 {
 134     switch (newState) {
 135         case Phonon::ErrorState:
 136             if (mediaObject->errorType() == Phonon::FatalError) {
 137                 QMessageBox::warning(this, tr("Fatal Error"),
 138                 mediaObject->errorString());
 139             } else {
 140                 QMessageBox::warning(this, tr("Error"),
 141                 mediaObject->errorString());
 142             }
 143             break;
 144         case Phonon::PlayingState:
 145                 playAction->setEnabled(false);
 146                 pauseAction->setEnabled(true);
 147                 stopAction->setEnabled(true);
 148                 editTagAction->setEnabled(true);
 149                 setInfo();
 150                 break;
 151         case Phonon::StoppedState:
 152                 stopAction->setEnabled(false);
 153                 playAction->setEnabled(true);
 154                 pauseAction->setEnabled(false);
 155                 break;
 156         case Phonon::PausedState:
 157                 pauseAction->setEnabled(false);
 158                 stopAction->setEnabled(true);
 159                 playAction->setEnabled(true);
 160                 break;
 161         case Phonon::BufferingState:
 162                 break;
 163         default:
 164             ;
 165     }
 166 }
 167
 168
 169 void Musik::setInfo()
 170 {
 171     metaData = mediaObject->metaData();
 172
 173     QString info;
 174     QString author = metaData.value("ARTIST");
 175     QString title = metaData.value("TITLE");
 176     if (author == "" || title == "")
 177         info = mediaObject->currentSource().fileName();
 178     else
 179         info = author + QString(" - ") + title;
 180
 181     line->setText(info);
 182 }
 183
 184 void Musik::editTag()
 185 {
 186     MusikEdit *win = new MusikEdit(*mediaObject);
 187     win->show();
 188 };