nephilim/plugins/Notify.py

   1 #
   2 #    Copyright (C) 2008 jerous <jerous@gmail.com>
   3 #    Copyright (C) 2009 Anton Khirnov <wyskas@gmail.com>
   4 #
   5 #    Nephilim is free software: you can redistribute it and/or modify
   6 #    it under the terms of the GNU General Public License as published by
   7 #    the Free Software Foundation, either version 3 of the License, or
   8 #    (at your option) any later version.
   9 #
  10 #    Nephilim is distributed in the hope that it will be useful,
  11 #    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 #    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 #    GNU General Public License for more details.
  14 #
  15 #    You should have received a copy of the GNU General Public License
  16 #    along with Nephilim.  If not, see <http://www.gnu.org/licenses/>.
  17 #
  18
  19 from PyQt4 import QtGui, QtCore
  20 from PyQt4.QtCore import QVariant
  21
  22 from ..common import sec2min, APPNAME, expand_tags
  23 from ..plugin import Plugin
  24 from ..       import plugins
  25
  26 NOTIFY_PRIORITY_SONG = 1
  27 NOTIFY_PRIORITY_VOLUME = 2
  28
  29 class winNotify(QtGui.QWidget):
  30     parent  = None
  31     p        = None
  32
  33     _current_priority = 0
  34
  35     timer       = None
  36     cover_label = None
  37     text_label  = None
  38
  39     def __init__(self, p):
  40         QtGui.QWidget.__init__(self, p.parent())
  41         self.p      = p
  42         self.parent = p.parent()
  43
  44         self.timer = QtCore.QTimer(self)
  45         self.timer.setSingleShot(True)
  46         self.timer.timeout.connect(self._hide)
  47
  48         layout = QtGui.QHBoxLayout()
  49         self.cover_label = QtGui.QLabel()
  50         self.text_label  = QtGui.QLabel()
  51         self.text_label.setWordWrap(True)
  52
  53         self.setLayout(QtGui.QHBoxLayout())
  54         self.layout().addWidget(self.cover_label)
  55         self.layout().addWidget(self.text_label)
  56
  57         self.setWindowFlags(QtCore.Qt.ToolTip | QtCore.Qt.WindowStaysOnTopHint)
  58         self.setWindowOpacity(0.7)
  59
  60         font = QtGui.QFont()
  61         font.setPixelSize(20)
  62         self.setFont(font)
  63
  64         ac = QtGui.QApplication.instance().plugins.plugin('AlbumCover')
  65         if ac:
  66             ac.cover_changed.connect(self.on_cover_changed)
  67
  68     def on_cover_changed(self, cover):
  69         if cover.isNull():
  70             self.cover_label.clear()
  71             return
  72
  73         self.cover_label.setPixmap(cover.scaledToHeight(self.fontInfo().pixelSize()*4))
  74         self.resize(self.layout().sizeHint())
  75
  76     def mousePressEvent(self, event):
  77         self.hide()
  78
  79     def show(self, text, time = 3000, priority = 0):
  80         if not priority >= self._current_priority:
  81             return
  82         self._current_priority = priority
  83
  84         self.text_label.setText(text)
  85         self.resize(self.layout().sizeHint())
  86         self.centerH()
  87         self.setVisible(True)
  88         self.timer.start(time)
  89
  90     def _hide(self):
  91         self.setHidden(True)
  92         self._current_priority = -1
  93
  94     def centerH(self):
  95         screen = QtGui.QDesktopWidget().screenGeometry()
  96         size = self.geometry()
  97         self.move((screen.width()-size.width())/2, 100)
  98
  99 class Notify(Plugin):
 100     # public, const
 101     info = 'Show notifications in a popup window.'
 102
 103     # public, read-only
 104     o = None
 105
 106     DEFAULTS  = {'songformat' : '$track - $artist - $title ($album) [$length]',
 107                  'timer'      : 3000}
 108
 109     def _load(self):
 110         self.o = winNotify(self)
 111         self.mpclient.song_changed.connect(self.onSongChange)
 112         self.mpclient.connect_changed.connect(self.on_connect_changed)
 113         self.mpclient.state_changed.connect(self.onStateChange)
 114         self.mpclient.volume_changed.connect (self.onVolumeChange)
 115     def _unload(self):
 116         self.o=None
 117         self.mpclient.song_changed.disconnect(self.onSongChange)
 118         self.mpclient.connect_changed.disconnect(self.on_connect_changed)
 119         self.mpclient.state_changed.disconnect(self.onStateChange)
 120         self.mpclient.volume_changed.disconnect(self.onVolumeChange)
 121     def onSongChange(self):
 122         song = self.mpclient.current_song()
 123         if not song:
 124             return
 125         self.settings.beginGroup(self.name)
 126         self.o.show(expand_tags(self.settings.value('songformat').toString(), (song,)), self.settings.value('timer').toInt()[0],
 127                     NOTIFY_PRIORITY_SONG)
 128         self.settings.endGroup()
 129
 130     def on_connect_changed(self, val):
 131         self.o.show('%s.'%('Connected' if val else 'Disconnected'), self.settings.value(self.name + '/timer').toInt()[0])
 132
 133     def onStateChange(self, new_state):
 134         self.o.show(new_state, self.settings.value(self.name + '/timer').toInt()[0])
 135
 136     def onVolumeChange(self, new_vol):
 137         self.o.show('Volume: %i%%'%(new_vol), self.settings.value(self.name + '/timer').toInt()[0], priority = NOTIFY_PRIORITY_VOLUME)
 138
 139     class SettingsWidgetNotify(Plugin.SettingsWidget):
 140         format = None
 141         timer  = None
 142
 143         def __init__(self, plugin):
 144             Plugin.SettingsWidget.__init__(self, plugin)
 145             self.settings.beginGroup(self.plugin.name)
 146
 147             self.format = QtGui.QLineEdit(self.settings.value('songformat').toString())
 148
 149             self.timer = QtGui.QLineEdit(self.settings.value('timer').toString())
 150             self.timer.setValidator(QtGui.QIntValidator(self.timer))
 151
 152             self.setLayout(QtGui.QVBoxLayout())
 153             self._add_widget(self.format, 'Format', 'Format of notifications. All tags supported by MPD\n'
 154                                                     'will be expanded to their values for current song,\n'
 155                                                     'e.g. $track, $title, $artist, $album, $length, $date, etc.')
 156             self._add_widget(self.timer, 'Duration', 'How long should notifications be displayed in ms.')
 157             self.settings.endGroup()
 158
 159         def save_settings(self):
 160             self.settings.beginGroup(self.plugin.name)
 161             self.settings.setValue('songformat', QVariant(self.format.text()))
 162             self.settings.setValue('timer', QVariant(self.timer.text().toInt()[0]))
 163             self.settings.endGroup()
 164             self.plugin.onSongChange()
 165
 166     def get_settings_widget(self):
 167         return self.SettingsWidgetNotify(self)
 168