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 from zeroinstall import _, gobject
   5 from zeroinstall.support import tasks
   6 from zeroinstall.injector import handler, download
   7
   8 version = '1.10'
   9
  10 class GUIHandler(handler.Handler):
  11         dl_callbacks = None             # Download -> [ callback ]
  12         pulse = None
  13         mainwindow = None
  14
  15         def _reset_counters(self):
  16                 if not self.monitored_downloads:
  17                         self.n_completed_downloads = 0
  18                         self.total_bytes_downloaded = 0
  19                 return False
  20
  21         def abort_all_downloads(self):
  22                 for dl in self.monitored_downloads:
  23                         dl.abort()
  24
  25         def downloads_changed(self):
  26                 if self.monitored_downloads and self.pulse is None:
  27                         def pulse():
  28                                 self.mainwindow.update_download_status(only_update_visible = True)
  29                                 return True
  30                         pulse()
  31                         self.pulse = gobject.timeout_add(200, pulse)
  32                 elif len(self.monitored_downloads) == 0:
  33                         # Delay before resetting, in case we start a new download quickly
  34                         gobject.timeout_add(500, self._reset_counters)
  35
  36                         # Stop animation
  37                         if self.pulse:
  38                                 gobject.source_remove(self.pulse)
  39                                 self.pulse = None
  40                                 self.mainwindow.update_download_status()
  41
  42         def impl_added_to_store(self, impl):
  43                 self.mainwindow.update_download_status(only_update_visible = True)
  44
  45         @tasks.async
  46         def _switch_to_main_window(self, reason):
  47                 if self.mainwindow.systray_icon:
  48                         self.mainwindow.systray_icon.set_tooltip(reason)
  49                         self.mainwindow.systray_icon.set_blinking(True)
  50
  51                         # Wait for the user to click the icon, then continue
  52                         yield self.mainwindow.systray_icon_blocker
  53                         yield tasks.TimeoutBlocker(0.5, 'Delay')
  54
  55         @tasks.async
  56         def confirm_import_feed(self, pending, valid_sigs):
  57                 yield self._switch_to_main_window(_('Need to confirm a new GPG key'))
  58
  59                 from zeroinstall.gtkui import trust_box
  60                 box = trust_box.TrustBox(pending, valid_sigs, parent = self.mainwindow.window)
  61                 box.show()
  62                 yield box.closed
  63
  64         @tasks.async
  65         def confirm_install(self, message):
  66                 yield self._switch_to_main_window(_('Need to confirm installation of distribution packages'))
  67
  68                 from zeroinstall.injector.download import DownloadAborted
  69                 import dialog
  70                 import gtk
  71                 box = gtk.MessageDialog(self.mainwindow.window,
  72                                         gtk.DIALOG_DESTROY_WITH_PARENT,
  73                                         gtk.MESSAGE_QUESTION, gtk.BUTTONS_CANCEL,
  74                                         str(message))
  75                 box.set_position(gtk.WIN_POS_CENTER)
  76
  77                 install = dialog.MixedButton(_('Install'), gtk.STOCK_OK)
  78                 install.set_can_default(True)
  79                 box.add_action_widget(install, gtk.RESPONSE_OK)
  80                 install.show_all()
  81                 box.set_default_response(gtk.RESPONSE_OK)
  82                 box.show()
  83
  84                 response = dialog.DialogResponse(box)
  85                 yield response
  86                 box.destroy()
  87
  88                 if response.response != gtk.RESPONSE_OK:
  89                         raise DownloadAborted()
  90
  91         def report_error(self, ex, tb = None):
  92                 if isinstance(ex, download.DownloadAborted):
  93                         return          # No need to tell the user about this, since they caused it
  94                 self.mainwindow.report_exception(ex, tb = tb)