src/systray.cpp

   1 //
   2 // AmarokSystray
   3 //
   4 // Contributors: Stanislav Karchebny <berkus@users.sf.net>, (C) 2003
   5 //               berkus, mxcl, eros, eean
   6 //
   7 // Copyright: like rest of Amarok
   8 //
   9
  10 #include "systray.h"
  11
  12 #include "amarok.h"
  13 #include "amarokconfig.h"
  14 #include "debug.h"
  15 #include "enginecontroller.h"
  16 #include "playlist/PlaylistModel.h"
  17 #include "meta/Meta.h"
  18 #include "TheInstances.h"
  19
  20 #include <KAction>
  21 #include <KApplication>
  22 #include <KIconEffect>
  23 #include <KLocale>
  24 #include <KMenu>
  25 #include <KStandardDirs>
  26
  27 #include <QEvent>
  28 #include <QImage>
  29 #include <QMouseEvent>
  30 #include <QPixmap>
  31 #include <QTimerEvent>
  32
  33
  34 namespace Amarok
  35 {
  36     static QImage
  37     loadOverlay( const char *iconName )
  38     {
  39         return QImage( KStandardDirs::locate( "data", QString( "amarok/images/b_%1.png" ).arg( iconName ) ), "PNG" )
  40                                                       .scaled( 10, 10, Qt::IgnoreAspectRatio, Qt::SmoothTransformation );
  41     }
  42 }
  43
  44
  45 Amarok::TrayIcon::TrayIcon( QWidget *playerWidget )
  46         : KSystemTrayIcon( playerWidget )
  47         , EngineObserver( EngineController::instance() )
  48         , trackLength( 0 )
  49         , mergeLevel( -1 )
  50         , overlay( 0 )
  51         , blinkTimerID( 0 )
  52         , overlayVisible( false )
  53         , m_lastFmMode( false )
  54 {
  55     KActionCollection* const ac = Amarok::actionCollection();
  56
  57     contextMenu()->addAction( ac->action( "prev"       ) );
  58     contextMenu()->addAction( ac->action( "play_pause" ) );
  59     contextMenu()->addAction( ac->action( "play_pause" ) );
  60     contextMenu()->addAction( ac->action( "next"       ) );
  61
  62     //seems to be necessary
  63     QAction *quit = actionCollection()->action( "file_quit" );
  64     quit->disconnect();
  65     connect( quit, SIGNAL(activated()), kapp, SLOT(quit()) );
  66
  67     baseIcon     = KSystemTrayIcon::loadIcon( "amarok" );
  68     playOverlay  = Amarok::loadOverlay( "play" );
  69     pauseOverlay = Amarok::loadOverlay( "pause" );
  70     overlayVisible = false;
  71
  72     //paintIcon();
  73     setIcon( baseIcon );
  74 }
  75
  76 bool
  77 Amarok::TrayIcon::event( QEvent *e )
  78 {
  79     DEBUG_BLOCK
  80         debug() << "Event type: " << e->type();
  81     switch( e->type() )
  82     {
  83     case QEvent::DragEnter:
  84         debug() << "QEvent::DragEnter";
  85         #define e static_cast<QDragEnterEvent*>(e)
  86         {
  87             e->setAccepted( KUrl::List::canDecode( e->mimeData() ) );
  88             break;
  89         }
  90         #undef e
  91
  92     case QEvent::Drop:
  93         debug() << "QEvent::Drop";
  94         #define e static_cast<QDropEvent*>(e)
  95         {
  96             KUrl::List list = KUrl::List::fromMimeData( e->mimeData() );
  97             if( !list.isEmpty() )
  98             {
  99                 KMenu *popup = new KMenu;
 100                 popup->addAction( KIcon( Amarok::icon( "add_playlist" ) ), i18n( "&Append to Playlist" ), this, SLOT( appendDrops() ) );
 101                 popup->addAction( KIcon( Amarok::icon( "add_playlist" ) ), i18n( "Append && &Play" ), this, SLOT( appendAndPlayDrops() ) );
 102                 if( The::playlistModel()->activeRow() >= 0 )
 103                     popup->addAction( KIcon( Amarok::icon( "queue_track" ) ), i18n( "&Queue Track" ), this, SLOT( queueDrops() ) );
 104
 105                 popup->addSeparator();
 106                 popup->addAction( i18n( "&Cancel" ) );
 107                 popup->exec( e->pos() );
 108             }
 109             break;
 110         }
 111         #undef e
 112
 113     case QEvent::Wheel:
 114         debug() << "QEvent::Wheel";
 115         #define e static_cast<QWheelEvent*>(e)
 116         if( e->modifiers() == Qt::ControlModifier )
 117         {
 118             const bool up = e->delta() > 0;
 119             if( up ) EngineController::instance()->previous();
 120             else     EngineController::instance()->next();
 121             break;
 122         }
 123         else if( e->modifiers() == Qt::ShiftModifier )
 124         {
 125             EngineController::instance()->seekRelative( (e->delta() / 120) * 5000 ); // 5 seconds for keyboard seeking
 126             break;
 127         }
 128         else
 129             EngineController::instance()->increaseVolume( e->delta() / Amarok::VOLUME_SENSITIVITY );
 130
 131         e->accept();
 132         #undef e
 133         break;
 134
 135     case QEvent::Timer:
 136         debug() << "QEvent::Timer";
 137         if( static_cast<QTimerEvent*>(e)->timerId() != blinkTimerID )
 138             return KSystemTrayIcon::event( e );
 139
 140         // if we're playing, blink icon
 141         if ( overlay == &playOverlay )
 142         {
 143             overlayVisible = !overlayVisible;
 144             paintIcon( mergeLevel, true );
 145         }
 146
 147         break;
 148
 149     case QEvent::MouseButtonPress:
 150         debug() << "QEvent::MouseButtonPress";
 151         if( static_cast<QMouseEvent*>(e)->button() == Qt::MidButton )
 152         {
 153             EngineController::instance()->playPause();
 154
 155             return true;
 156         }
 157
 158         //else FALL THROUGH
 159
 160     default:
 161         debug() << "QEvent:: fall through";
 162         return KSystemTrayIcon::event( e );
 163     }
 164     return true;
 165 }
 166
 167 void
 168 Amarok::TrayIcon::engineStateChanged( Engine::State state, Engine::State /*oldState*/ )
 169 {
 170     // stop timer
 171     if ( blinkTimerID )
 172     {
 173         killTimer( blinkTimerID );
 174         blinkTimerID = 0;
 175     }
 176     // draw overlay
 177     overlayVisible = true;
 178
 179     // draw the right overlay for each state
 180     switch( state )
 181     {
 182     case Engine::Paused:
 183         overlay = &pauseOverlay;
 184         paintIcon( mergeLevel, true );
 185         break;
 186
 187     case Engine::Playing:
 188         overlay = &playOverlay;
 189         if( AmarokConfig::animateTrayIcon() )
 190            blinkTimerID = startTimer( 1500 );  // start 'blink' timer
 191
 192         paintIcon( mergeLevel, true ); // repaint the icon
 193         break;
 194
 195     case Engine::Empty:
 196         overlayVisible = false;
 197         paintIcon( -1, true ); // repaint the icon
 198                                // fall through to default:
 199     default:
 200         setLastFm( false );
 201     }
 202 }
 203
 204 void
 205 Amarok::TrayIcon::engineNewMetaData( const QHash<qint64, QString> &newMetaData, bool trackChanged )
 206 {
 207     Q_UNUSED( trackChanged )
 208     Q_UNUSED( newMetaData )
 209     Meta::TrackPtr track = EngineController::instance()->currentTrack();
 210     if( !track )
 211         return;
 212     trackLength = track->length() * 1000;
 213     setLastFm( track->type() == "stream/lastfm" );
 214 }
 215
 216 void
 217 Amarok::TrayIcon::engineTrackPositionChanged( long position, bool /*userSeek*/ )
 218 {
 219 /*
 220     mergeLevel = trackLength ? ((baseIcon.height() + 1) * position) / trackLength : -1;
 221     paintIcon( mergeLevel );
 222 */
 223 }
 224
 225
 226 void
 227 Amarok::TrayIcon::paletteChange( const QPalette & op )
 228 {
 229 /*
 230     if ( palette().active().highlight() == op.active().highlight() || alternateIcon.isNull() )
 231         return;
 232
 233     alternateIcon.resize( 0, 0 );
 234     paintIcon( mergeLevel, true );
 235 */
 236 }
 237
 238 void
 239 Amarok::TrayIcon::paintIcon( int mergePixels, bool force )
 240 {
 241     // skip redrawing the same pixmap
 242     static int mergePixelsCache = 0;
 243     if ( mergePixels == mergePixelsCache && !force )
 244          return;
 245     mergePixelsCache = mergePixels;
 246
 247     if ( mergePixels < 0 ) {}
 248         //return blendOverlay( baseIcon );
 249
 250     // make up the grayed icon
 251     if ( grayedIcon.isNull() )
 252     {
 253         //QImage tmpTrayIcon = baseIcon.convertToImage();
 254         //KIconEffect::semiTransparent( tmpTrayIcon );
 255         //grayedIcon = tmpTrayIcon;
 256     }
 257
 258     // make up the alternate icon (use hilight color but more saturated)
 259     if ( alternateIcon.isNull() )
 260     {
 261         #if 0
 262         QImage tmpTrayIcon = baseIcon.convertToImage();
 263         // eros: this looks cool with dark red blue or green but sucks with
 264         // other colors (such as kde default's pale pink..). maybe the effect
 265         // or the blended color has to be changed..
 266         QColor saturatedColor = palette().active().highlight();
 267         int hue, sat, value;
 268         saturatedColor.getHsv( &hue, &sat, &value );
 269         saturatedColor.setHsv( hue, sat > 200 ? 200 : sat, value < 100 ? 100 : value );
 270         KIconEffect::colorize( tmpTrayIcon, saturatedColor/* Qt::blue */, 0.9 );
 271         alternateIcon = tmpTrayIcon;
 272         #endif
 273     }
 274
 275     if ( mergePixels >= alternateIcon.height() ) {}
 276         //return blendOverlay( grayedIcon );
 277     if ( mergePixels == 0 ) {}
 278         //return blendOverlay( alternateIcon );
 279
 280     // mix [ grayed <-> colored ] icons
 281     QPixmap tmpTrayPixmap = alternateIcon;
 282     copyBlt( &tmpTrayPixmap, 0,0, &grayedIcon, 0,0,
 283             alternateIcon.width(), mergePixels>0 ? mergePixels-1 : 0 );
 284     blendOverlay( tmpTrayPixmap );
 285 }
 286
 287 void
 288 Amarok::TrayIcon::blendOverlay( QPixmap &sourcePixmap )
 289 {
 290     #if 0
 291     if ( !overlayVisible || !overlay || overlay->isNull() )
 292         return setPixmap( sourcePixmap ); // @since 3.2
 293
 294     // here comes the tricky part.. no kdefx functions are helping here.. :-(
 295     // we have to blend pixmaps with different sizes (blending will be done in
 296     // the bottom-left corner of source pixmap with a smaller overlay pixmap)
 297     int opW = overlay->width(),
 298         opH = overlay->height(),
 299         opX = 1,
 300         opY = sourcePixmap.height() - opH;
 301
 302     // get the rectangle where blending will take place
 303     QPixmap sourceCropped( opW, opH, sourcePixmap.depth() );
 304     copyBlt( &sourceCropped, 0,0, &sourcePixmap, opX,opY, opW,opH );
 305
 306     //speculative fix for a bactrace we received
 307     //crash was in covertToImage() somewhere in this function
 308     if( sourceCropped.isNull() )
 309         return setPixmap( sourcePixmap );
 310
 311     // blend the overlay image over the cropped rectangle
 312     QImage blendedImage = sourceCropped.convertToImage();
 313     QImage overlayImage = overlay->convertToImage();
 314     KIconEffect::overlay( blendedImage, overlayImage );
 315     sourceCropped.convertFromImage( blendedImage );
 316
 317     // put back the blended rectangle to the original image
 318     QPixmap sourcePixmapCopy = sourcePixmap;
 319     copyBlt( &sourcePixmapCopy, opX,opY, &sourceCropped, 0,0, opW,opH );
 320
 321     setPixmap( sourcePixmapCopy ); // @since 3.2
 322     #endif
 323 }
 324
 325 void
 326 Amarok::TrayIcon::setLastFm( bool lastFmActive )
 327 {
 328     if( lastFmActive == m_lastFmMode ) return;
 329
 330     static int separatorId = 0;
 331
 332     KActionCollection* const ac = Amarok::actionCollection();
 333     if( ac->action( "ban" ) == 0 ) return; //if the LastFm::Controller doesn't exist yet
 334
 335     if( lastFmActive )
 336     {
 337         contextMenu()->removeAction( ac->action( "play_pause" ) );
 338         // items are inserted in reverse order!
 339         contextMenu()->addAction( ac->action( "ban" ) );
 340         contextMenu()->addAction( ac->action( "love" ) );
 341         contextMenu()->addAction( ac->action( "skip" ) );
 342         contextMenu()->addSeparator();
 343
 344         m_lastFmMode = true;
 345     }
 346     else
 347     {
 348
 349         contextMenu()->addAction( ac->action( "play_pause" ) );
 350         // items are inserted in reverse order!
 351         contextMenu()->removeAction( ac->action( "ban" ) );
 352         contextMenu()->removeAction( ac->action( "love" ) );
 353         contextMenu()->removeAction( ac->action( "skip" ) );
 354
 355         //contextMenu()->removeSeparator();
 356         m_lastFmMode = false;
 357    }
 358 }