git.maemo.org Git - watersofshiloah/blob - src/banners.py

   1 import sys
   2 import logging
   3
   4 import gtk
   5
   6 import util.misc as misc_utils
   7
   8
   9 _moduleLogger = logging.getLogger(__name__)
  10
  11
  12 class GenericBanner(object):
  13
  14         def __init__(self):
  15                 self._label = gtk.Label()
  16
  17                 self._layout = gtk.VBox()
  18                 self._layout.pack_start(self._label)
  19
  20         @property
  21         def toplevel(self):
  22                 return self._layout
  23
  24         def show(self, message):
  25                 assert not self._label.get_text(), self._label.get_text()
  26                 self._label.set_text(message)
  27                 self.toplevel.show()
  28
  29         def hide(self):
  30                 assert self._label.get_text(), self._label.get_text()
  31                 self._label.set_text("")
  32                 self.toplevel.hide()
  33
  34
  35 class StackingBanner(object):
  36
  37         ICON_SIZE = 32
  38
  39         def __init__(self):
  40                 self._indicator = gtk.Image()
  41
  42                 self._message = gtk.Label()
  43
  44                 self._closeImage = gtk.Image()
  45                 self._closeImage.set_from_stock("gtk-close", self.ICON_SIZE)
  46
  47                 self._layout = gtk.HBox()
  48                 self._layout.pack_start(self._indicator, False, False)
  49                 self._layout.pack_start(self._message, True, True)
  50                 self._layout.pack_start(self._closeImage, False, False)
  51
  52                 self._events = gtk.EventBox()
  53                 self._events.add(self._layout)
  54                 self._events.connect("button_release_event", self._on_close)
  55
  56                 self._messages = []
  57
  58         @property
  59         def toplevel(self):
  60                 return self._events
  61
  62         def push_message(self, message, icon=""):
  63                 self._messages.append((message, icon))
  64                 if 1 == len(self.__messages):
  65                         self._update_message()
  66
  67         def push_exception(self):
  68                 userMessage = str(sys.exc_info()[1])
  69                 self.push_message(userMessage, "gtk-dialog-error")
  70                 _moduleLogger.exception(userMessage)
  71
  72         def pop_message(self):
  73                 del self.__messages[0]
  74                 self._update_message()
  75
  76         def _update_message(self):
  77                 if 0 == len(self.__messages):
  78                         self.toplevel.hide()
  79                 else:
  80                         message, icon = self._message[0]
  81                         self._message.set_text(message)
  82                         if icon:
  83                                 self._indicator.set_from_stock(icon)
  84                                 self._indicator.show()
  85                         else:
  86                                 self._indicator.hide()
  87                         self.toplevel.show()
  88
  89         @misc_utils.log_exception(_moduleLogger)
  90         def _on_close(self, *args):
  91                 self.pop_message()