Source Code for Module flumotion.component.producers.looper.admin_gtk

  1  # -*- Mode: Python -*- 
  2  # vi:si:et:sw=4:sts=4:ts=4 
  3  # 
  4  # Flumotion - a streaming media server 
  5  # Copyright (C) 2004,2005,2006,2007 Fluendo, S.L. (www.fluendo.com). 
  6  # All rights reserved. 
  7   
  8  # This file may be distributed and/or modified under the terms of 
  9  # the GNU General Public License version 2 as published by 
 10  # the Free Software Foundation. 
 11  # This file is distributed without any warranty; without even the implied 
 12  # warranty of merchantability or fitness for a particular purpose. 
 13  # See "LICENSE.GPL" in the source distribution for more information. 
 14   
 15  # Licensees having purchased or holding a valid Flumotion Advanced 
 16  # Streaming Server license may use this file in accordance with the 
 17  # Flumotion Advanced Streaming Server Commercial License Agreement. 
 18  # See "LICENSE.Flumotion" in the source distribution for more information. 
 19   
 20  # Headers in this file shall remain intact. 
 21   
 22  import os 
 23  import gettext 
 24   
 25  import gst 
 26   
 27  from flumotion.component.base.admin_gtk import BaseAdminGtk 
 28  from flumotion.component.base.baseadminnode import BaseAdminGtkNode 
 29  from flumotion.ui.glade import GladeWidget 
 30   
 31  __version__ = "$Rev: 6784 $" 
 32  _ = gettext.gettext 
 33   
 34   
 35 -def time_to_string(value): 
 36      sec = value / gst.SECOND 
 37      mins = sec / 60 
 38      sec = sec % 60 
 39      hours = mins / 60 
 40      mins = mins % 60 
 41      return "%02d:%02d:%02d" % (hours, mins, sec) 
 42   
 43   
 44 -class FileInfo(GladeWidget): 
 45      gladeFile = os.path.join(os.path.dirname(os.path.abspath(__file__)), 
 46                                'flufileinfo.glade') 
 47      duration = 0 
 48   
 49 -    def set_location(self, location): 
 50          self.locationlabel.set_text(location) 
 51   
 52 -    def set_duration(self, duration): 
 53          self.duration = duration 
 54          self.timelabel.set_text(time_to_string(duration)) 
 55   
 56 -    def set_audio(self, audio): 
 57          self.audiolabel.set_markup(audio or "<i>No audio</i>") 
 58   
 59 -    def set_video(self, video): 
 60          self.videolabel.set_markup(video or "<i>No video</i>") 
 61   
 62 -class LooperNode(BaseAdminGtkNode): 
 63      logCategory = 'looper' 
 64   
 65      uiStateHandlers = None 
 66      gladeFile = os.path.join('flumotion', 'component', 'producers', 
 67                                'looper', 'looper.glade') 
 68   
 69 -    def haveWidgetTree(self): 
 70          self.widget = self.wtree.get_widget('looper-widget') 
 71          self.fileinfowidget = self.wtree.get_widget('fileinfowidget') 
 72          self.numiterlabel = self.wtree.get_widget('iterationslabel') 
 73          self.curposlabel = self.wtree.get_widget('curposlabel') 
 74          self.positionbar = self.wtree.get_widget('positionbar') 
 75          self.restartbutton = self.wtree.get_widget('restartbutton') 
 76          self.restartbutton.set_sensitive(False) 
 77   
 78 -    def setUIState(self, state): 
 79          BaseAdminGtkNode.setUIState(self, state) 
 80          if not self.uiStateHandlers: 
 81              self.uiStateHandlers = {'info-duration': 
 82                                      self.fileinfowidget.set_duration, 
 83                                      'info-location': 
 84                                      self.fileinfowidget.set_location, 
 85                                      'info-audio': 
 86                                      self.fileinfowidget.set_audio, 
 87                                      'info-video': 
 88                                      self.fileinfowidget.set_video, 
 89                                      'position': self.positionSet, 
 90                                      'num-iterations': self.numIterationsSet} 
 91          for k, handler in self.uiStateHandlers.items(): 
 92              handler(state.get(k)) 
 93   
 94 -    def positionSet(self, newposition): 
 95          self.log("got new position : %d" % newposition) 
 96          if self.fileinfowidget.duration: 
 97              percent = float(newposition % self.fileinfowidget.duration) / float(self.fileinfowidget.duration) 
 98              self.positionbar.set_fraction(percent) 
 99              self.positionbar.set_text(time_to_string(newposition % self.fileinfowidget.duration)) 
100   
101 -    def numIterationsSet(self, numIterations): 
102          self.numiterlabel.set_text(str(numIterations)) 
103   
104 -    def _restart_callback(self, result): 
105          pass 
106   
107 -    def _restart_failed(self, failure): 
108          self.warning("Failure %s getting pattern: %s" % ( 
109              failure.type, failure.getErrorMessage())) 
110          return None 
111   
112 -    def _reset_button_clicked(self, button): 
113          d = self.callRemote("gimme5", "ooooh yeah") 
114          d.addCallback(self._restart_callback) 
115          d.addErrback(self._restart_failed) 
116   
117 -    def stateSet(self, state, key, value): 
118          handler = self.uiStateHandlers.get(key, None) 
119          if handler: 
120              handler(value) 
121   
122 -class LooperAdminGtk(BaseAdminGtk): 
123 -    def setup(self): 
124          looper = LooperNode(self.state, self.admin, title=_("Looper")) 
125          self.nodes['Looper'] = looper 
126   
127          return BaseAdminGtk.setup(self) 
128   
129  GUIClass = LooperAdminGtk 
130