Source Code for Module flumotion.component.misc.httpserver.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) 2004,2005,2006,2007,2008 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 gettext 
 23  import os 
 24  import webbrowser 
 25   
 26  from flumotion.common.format import formatStorage 
 27  from flumotion.component.base.admin_gtk import BaseAdminGtk 
 28  from flumotion.component.base.baseadminnode import BaseAdminGtkNode 
 29  from flumotion.ui.linkwidget import LinkWidget 
 30   
 31  __version__ = "$Rev: 6784 $" 
 32  _ = gettext.gettext 
 33   
 34   
 35 -class StatisticsAdminGtkNode(BaseAdminGtkNode): 
 36      gladeFile = os.path.join('flumotion', 'component', 'misc', 
 37                                'httpserver', 'httpserver.glade') 
 38   
 39 -    def __init__(self, *args, **kwargs): 
 40          BaseAdminGtkNode.__init__(self, *args, **kwargs) 
 41          self._shown = False 
 42          self._statistics = None 
 43          self._stats = None 
 44          self._labels = {} 
 45          self._link = None 
 46   
 47      # BaseAdminGtkNode 
 48   
 49 -    def haveWidgetTree(self): 
 50          self._labels = {} 
 51          self._statistics = self.wtree.get_widget('main_vbox') 
 52          self.widget = self._statistics 
 53          for labelType in ['bytes-transferred', 'connected-clients']: 
 54              self._registerLabel(labelType) 
 55   
 56          self._updateLabels({ 
 57              'bytes-transferred': 0, 
 58              'connected-clients': 0, 
 59          }) 
 60          if self._stats: 
 61              self.shown = True 
 62              self._updateLabels(self._stats) 
 63              self._statistics.show_all() 
 64   
 65          return self._statistics 
 66   
 67      # Public API 
 68   
 69 -    def setStats(self, stats): 
 70          """Update the state containing all information used by this 
 71          interface 
 72          @param stats: 
 73          @type stats: AdminComponentUIState 
 74          """ 
 75          # Set _stats regardless of if condition 
 76          # Used to be a race where _stats was 
 77          # not set if widget tree was gotten before 
 78          # ui state 
 79          self._stats = stats 
 80   
 81          if not self._statistics: 
 82              # widget tree not created yet 
 83              return 
 84   
 85          self._updateLabels(stats) 
 86   
 87          if not self._shown: 
 88              # widget tree created but not yet shown 
 89              self._shown = True 
 90              self._statistics.show_all() 
 91   
 92      # Private 
 93   
 94 -    def _updateLabels(self, state): 
 95          for name in self._labels: 
 96              text = state.get(name) 
 97              if text is not None: 
 98                  if name == 'bytes-transferred': 
 99                      text = formatStorage(int(text)) + _('Byte') 
100                  self._labels[name].set_text(str(text)) 
101   
102          uri = state.get('stream-url') 
103          if uri is not None: 
104              if not self._link: 
105                  self._link = self._createLinkWidget(uri) 
106              else: 
107                  self._link.set_uri(uri) 
108   
109 -    def _registerLabel(self, name): 
110          #widgetname = name.replace('-', '_') 
111          # FIXME: make object member directly 
112          widget = self.wtree.get_widget('label-' + name) 
113          if not widget: 
114              self.warning("FIXME: no widget %s" % name) 
115              return 
116   
117          self._labels[name] = widget 
118   
119 -    def _createLinkWidget(self, uri): 
120          link = LinkWidget(uri) 
121          link.set_callback(self._on_link_show_url) 
122          link.show_all() 
123          holder = self.wtree.get_widget('link-holder') 
124          holder.add(link) 
125          return link 
126   
127      # Callbacks 
128   
129 -    def _on_link_show_url(self, url): 
130          webbrowser.open_new(url) 
131   
132   
133 -class HTTPFileAdminGtk(BaseAdminGtk): 
134 -    def setup(self): 
135          statistics = StatisticsAdminGtkNode(self.state, self.admin, 
136              _("Statistics")) 
137          self.nodes['Statistics'] = statistics 
138          # FIXME: maybe make a protocol instead of overriding 
139          return BaseAdminGtk.setup(self) 
140   
141 -    def uiStateChanged(self, state): 
142          self.nodes['Statistics'].setStats(state) 
143   
144  GUIClass = HTTPFileAdminGtk 
145