zeroinstall/0launch-gui/gui.py

   1 # Copyright (C) 2009, Thomas Leonard
   2 # See the README file for details, or visit http://0install.net.
   3
   4 import gobject
   5
   6 from zeroinstall import _
   7 from zeroinstall.support import tasks
   8 from zeroinstall.injector import handler, download
   9
  10 version = '1.1'
  11
  12 class GUIHandler(handler.Handler):
  13         dl_callbacks = None             # Download -> [ callback ]
  14         pulse = None
  15         mainwindow = None
  16
  17         def _reset_counters(self):
  18                 if not self.monitored_downloads:
  19                         self.n_completed_downloads = 0
  20                         self.total_bytes_downloaded = 0
  21                 return False
  22
  23         def abort_all_downloads(self):
  24                 for dl in self.monitored_downloads.values():
  25                         dl.abort()
  26
  27         def downloads_changed(self):
  28                 if self.monitored_downloads and self.pulse is None:
  29                         def pulse():
  30                                 self.mainwindow.update_download_status()
  31                                 return True
  32                         pulse()
  33                         self.pulse = gobject.timeout_add(200, pulse)
  34                 elif len(self.monitored_downloads) == 0:
  35                         # Delay before resetting, in case we start a new download quickly
  36                         gobject.timeout_add(500, self._reset_counters)
  37
  38                         # Stop animation
  39                         if self.pulse:
  40                                 gobject.source_remove(self.pulse)
  41                                 self.pulse = None
  42                                 self.mainwindow.update_download_status()
  43
  44         def impl_added_to_store(self, impl):
  45                 self.mainwindow.update_download_status()
  46
  47         @tasks.async
  48         def _switch_to_main_window(self, reason):
  49                 if self.mainwindow.systray_icon:
  50                         self.mainwindow.systray_icon.set_tooltip(reason)
  51                         self.mainwindow.systray_icon.set_blinking(True)
  52
  53                         # Wait for the user to click the icon, then continue
  54                         yield self.mainwindow.systray_icon_blocker
  55                         yield tasks.TimeoutBlocker(0.5, 'Delay')
  56
  57         @tasks.async
  58         def confirm_import_feed(self, pending, valid_sigs):
  59                 yield self._switch_to_main_window(_('Need to confirm a new GPG key'))
  60
  61                 from zeroinstall.gtkui import trust_box
  62                 box = trust_box.TrustBox(pending, valid_sigs, parent = self.mainwindow.window)
  63                 box.show()
  64                 yield box.closed
  65
  66         @tasks.async
  67         def confirm_install(self, message):
  68                 yield self._switch_to_main_window(_('Need to confirm installation of distribution packages'))
  69
  70                 from zeroinstall.injector.download import DownloadAborted
  71                 import dialog
  72                 import gtk
  73                 box = gtk.MessageDialog(self.mainwindow.window,
  74                                         gtk.DIALOG_DESTROY_WITH_PARENT,
  75                                         gtk.MESSAGE_QUESTION, gtk.BUTTONS_CANCEL,
  76                                         str(message))
  77                 box.set_position(gtk.WIN_POS_CENTER)
  78
  79                 install = dialog.MixedButton(_('Install'), gtk.STOCK_OK)
  80                 install.set_flags(gtk.CAN_DEFAULT)
  81                 box.add_action_widget(install, gtk.RESPONSE_OK)
  82                 install.show_all()
  83                 box.set_default_response(gtk.RESPONSE_OK)
  84                 box.show()
  85
  86                 response = dialog.DialogResponse(box)
  87                 yield response
  88                 box.destroy()
  89
  90                 if response.response != gtk.RESPONSE_OK:
  91                         raise DownloadAborted()
  92
  93         def report_error(self, ex, tb = None):
  94                 if isinstance(ex, download.DownloadAborted):
  95                         return          # No need to tell the user about this, since they caused it
  96                 self.mainwindow.report_exception(ex, tb = tb)