nephilim/plugins/PlayControl.py

   1 #
   2 #    Copyright (C) 2009 Anton Khirnov <wyskas@gmail.com>
   3 #
   4 #    Nephilim is free software: you can redistribute it and/or modify
   5 #    it under the terms of the GNU General Public License as published by
   6 #    the Free Software Foundation, either version 3 of the License, or
   7 #    (at your option) any later version.
   8 #
   9 #    Nephilim 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
  12 #    GNU General Public License for more details.
  13 #
  14 #    You should have received a copy of the GNU General Public License
  15 #    along with Nephilim.  If not, see <http://www.gnu.org/licenses/>.
  16 #
  17
  18 from PyQt4 import QtGui, QtCore
  19 from PyQt4.QtCore import QVariant
  20
  21 from ..common import Button
  22 from ..plugin import Plugin
  23
  24 class wgPlayControl(QtGui.QToolBar):
  25     """Displays controls for interacting with playing, like play, volume ..."""
  26     " control buttons"
  27     play_icon    = None
  28     pause_icon   = None
  29     play_action  = None
  30     stop_action  = None
  31     prev_action  = None
  32     next_action  = None
  33     vol_slider   = None
  34     repeat       = None
  35     random       = None
  36     single       = None
  37     consume      = None
  38     p            = None
  39     logger       = None
  40
  41     class VolumeSlider(QtGui.QSlider):
  42
  43         def __init__(self, parent):
  44             QtGui.QSlider.__init__(self, parent)
  45             self.setOrientation(parent.orientation())
  46             self.setMaximum(100)
  47             self.setToolTip('Volume control')
  48
  49         def paintEvent(self, event):
  50             painter = QtGui.QPainter(self)
  51             painter.eraseRect(self.rect())
  52
  53             grad = QtGui.QLinearGradient(0, 0, self.width(), self.height())
  54             grad.setColorAt(0, self.palette().color(QtGui.QPalette.Window))
  55             grad.setColorAt(1, self.palette().color(QtGui.QPalette.Highlight))
  56             if self.orientation() == QtCore.Qt.Horizontal:
  57                 rect = QtCore.QRect(0, 0, self.width() * self.value() / self.maximum(), self.height())
  58             else:
  59                 rect = QtCore.QRect(0, self.height() * (1 - float(self.value()) / self.maximum()), self.width(), self.height())
  60             painter.fillRect(rect, QtGui.QBrush(grad))
  61
  62     def __init__(self, p, parent = None):
  63         QtGui.QToolBar.__init__(self, p.name, parent)
  64         self.setMovable(True)
  65         self.p      = p
  66         self.logger = p.logger
  67         self.setObjectName(p.name)
  68
  69         self.play_icon   = QtGui.QIcon('gfx/media-playback-start.svg')
  70         self.pause_icon  = QtGui.QIcon('gfx/media-playback-pause.svg')
  71
  72         self.play_action = self.addAction(self.play_icon, 'play', self.on_play_click)
  73         self.stop_action = self.addAction(QtGui.QIcon('gfx/media-playback-stop.svg'),     'stop', self.on_stop_click)
  74         self.prev_action = self.addAction(QtGui.QIcon('gfx/media-skip-backward.svg'), 'previous', self.on_prev_click)
  75         self.next_action = self.addAction(QtGui.QIcon('gfx/media-skip-forward.svg'),      'next', self.on_next_click)
  76         self.addSeparator()
  77
  78         self.vol_slider = self.VolumeSlider(self)
  79         self.vol_slider.valueChanged.connect(self.onVolumeSliderChange)
  80         self.addWidget(self.vol_slider)
  81         self.addSeparator()
  82
  83         self.random = self.addAction(QtGui.QIcon('gfx/media-playlist-shuffle.svgz'), 'random')
  84         self.random.setCheckable(True)
  85         self.random.toggled.connect(self.p.mpclient.random)
  86         self.p.mpclient.random_changed.connect(self.random.setChecked)
  87
  88         self.repeat = self.addAction(QtGui.QIcon('gfx/media-playlist-repeat.svg'), 'repeat')
  89         self.repeat.setCheckable(True)
  90         self.p.mpclient.repeat_changed.connect(self.repeat.setChecked)
  91         self.repeat.toggled.connect(self.p.mpclient.repeat)
  92
  93         self.single = self.addAction(QtGui.QIcon('gfx/single.png'), 'single mode')
  94         self.single.setCheckable(True)
  95         self.p.mpclient.single_changed.connect(self.single.setChecked)
  96         self.single.toggled.connect(self.p.mpclient.single)
  97
  98         self.consume = self.addAction(QtGui.QIcon('gfx/consume.png'), 'consume mode')
  99         self.consume.setCheckable(True)
 100         self.p.mpclient.consume_changed.connect(self.consume.setChecked)
 101         self.consume.toggled.connect(self.p.mpclient.consume)
 102
 103         self.orientationChanged.connect(self.vol_slider.setOrientation)
 104
 105         self.p.mpclient.state_changed.connect(self.onStateChange)
 106         self.p.mpclient.volume_changed.connect(self.onVolumeChange)
 107
 108     def onStateChange(self, new_state):
 109         status = self.p.mpclient.status()
 110
 111         if new_state == 'play':
 112             self.play_action.setIcon(self.pause_icon)
 113             self.play_action.setToolTip('pause')
 114         elif new_state == 'pause' or new_state == 'stop':
 115             self.play_action.setIcon(self.play_icon)
 116             self.play_action.setToolTip('play')
 117
 118     def onVolumeChange(self, new_vol):
 119         self.vol_slider.setValue(new_vol)
 120
 121     def on_play_click(self):
 122         status=self.p.mpclient.status()
 123         if status['state']=='play':
 124             self.logger.info('Toggling playback')
 125             self.p.mpclient.pause()
 126         elif status['state']=='stop':
 127             self.logger.info('Pausing playback')
 128             self.p.mpclient.play(None)
 129         else:
 130             self.p.mpclient.resume()
 131     def on_stop_click(self):
 132         self.logger.info('Stopping playback')
 133         self.p.mpclient.stop()
 134     def on_prev_click(self):
 135         self.logger.info('Playing previous')
 136         self.p.mpclient.previous()
 137     def on_next_click(self):
 138         self.logger.info('Playing next')
 139         self.p.mpclient.next()
 140     def onVolumeSliderChange(self):
 141         self.p.mpclient.set_volume(self.vol_slider.value())
 142
 143 class PlayControl(Plugin):
 144     o = None
 145
 146     def _load(self):
 147         self.o = wgPlayControl(self, None)
 148         QtGui.QApplication.instance().main_win.addToolBar(QtCore.Qt.TopToolBarArea, self.o)
 149     def _unload(self):
 150         QtGui.QApplication.instance().main_win.removeToolBar(self.o)
 151         self.o = None
 152     def getInfo(self):
 153         return "Have total control over the playing!"