Source Code for Module flumotion.component.producers.audiotest.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  from gettext import gettext as _ 
23   
24  from flumotion.component.base.admin_gtk import BaseAdminGtk 
25  from flumotion.component.base.baseadminnode import BaseAdminGtkNode 
26  from flumotion.component.effects.volume.admin_gtk import VolumeAdminGtkNode 
27   
28  __version__ = "$Rev: 6788 $" 
29   
30   
31 -class AudioTestAdminGtkNode(BaseAdminGtkNode): 
32      logCategory = 'audiotest' 
33      gladeFile = 'flumotion/component/producers/audiotest/audiotest.glade' 
34      uiStateHandlers = None 
35   
36 -    def haveWidgetTree(self): 
37          self.widget = self.wtree.get_widget('widget-audiotest') 
38          self._scale = self.wtree.get_widget('scale-frequency') 
39          self._spinbutton = self.wtree.get_widget('spinbutton-frequency') 
40          self._combobox = self.wtree.get_widget('combobox-wave') 
41          self._scale_change_id = self._scale.connect('value-changed', 
42              self.frequency_changed_cb) 
43          self._spinbutton_change_id = self._spinbutton.connect('value-changed', 
44              self.frequency_changed_cb) 
45          self._combobox_change_id = self._combobox.connect('changed', 
46              self.wave_changed_cb) 
47   
48 -    def setUIState(self, state): 
49          BaseAdminGtkNode.setUIState(self, state) 
50          if not self.uiStateHandlers: 
51              self.uiStateHandlers = {'wave': self.waveSet, 
52                                      'frequency': self.frequencySet, 
53                                      'rate': self.rateSet} 
54          for k, handler in self.uiStateHandlers.items(): 
55              handler(state.get(k)) 
56   
57 -    def frequency_changed_cb(self, widget): 
58          value = widget.get_value() 
59          d = self.callRemote("setFrequency", value) 
60          d.addErrback(self.warningFailure) 
61   
62 -    def stateSet(self, state, key, value): 
63          handler = self.uiStateHandlers.get(key, None) 
64          if handler: 
65              handler(value) 
66   
67 -    def wave_changed_cb(self, widget): 
68          waveName = widget.get_active() 
69          d = self.callRemote("setWave", waveName) 
70          d.addErrback(self.warningFailure) 
71   
72 -    def rateSet(self, rate): 
73          self._scale.set_range(1, rate) 
74          self._spinbutton.set_range(1, rate) 
75   
76 -    def frequencySet(self, value): 
77          self._scale.handler_block(self._scale_change_id) 
78          self._scale.set_value(value) 
79          self._scale.handler_unblock(self._scale_change_id) 
80          self._spinbutton.handler_block(self._spinbutton_change_id) 
81          self._spinbutton.set_value(value) 
82          self._spinbutton.handler_unblock(self._spinbutton_change_id) 
83   
84 -    def waveSet(self, value): 
85          self._combobox.handler_block(self._combobox_change_id) 
86          self._combobox.set_active(value) 
87          self._combobox.handler_unblock(self._combobox_change_id) 
88   
89 -class AudioTestAdminGtk(BaseAdminGtk): 
90 -    def setup(self): 
91          volume = VolumeAdminGtkNode(self.state, self.admin, 
92                                      'volume', title=_("Volume")) 
93          self.nodes['Volume'] = volume 
94          audiotest = AudioTestAdminGtkNode(self.state, self.admin, 
95                                            title=_("Audio Test")) 
96          self.nodes['Audio Test'] = audiotest 
97          return BaseAdminGtk.setup(self) 
98