zeroinstall/gtkui/addbox.py

   1 """A GTK dialog which lets the user add a new application to their desktop."""
   2 # Copyright (C) 2008, Thomas Leonard
   3 # See the README file for details, or visit http://0install.net.
   4
   5 import os, sys
   6 import gtk, gobject
   7 import gtk.glade
   8
   9 from zeroinstall import SafeException
  10 from zeroinstall.injector.namespaces import XMLNS_IFACE
  11 from zeroinstall.injector.iface_cache import iface_cache
  12
  13 _URI_LIST = 0
  14 _UTF_16 = 1
  15
  16 _RESPONSE_PREV = 0
  17 _RESPONSE_NEXT = 1
  18
  19 class AddBox:
  20         """A dialog box which prompts the user to choose the program to be added."""
  21         def __init__(self, interface_uri = None):
  22                 gladefile = os.path.join(os.path.dirname(__file__), 'desktop.glade')
  23
  24                 widgets = gtk.glade.XML(gladefile, 'main')
  25                 self.window = widgets.get_widget('main')
  26                 self.set_keep_above(True)
  27
  28                 def set_uri_ok(uri):
  29                         text = uri.get_text()
  30                         self.window.set_response_sensitive(_RESPONSE_NEXT, bool(text))
  31
  32                 uri = widgets.get_widget('interface_uri')
  33                 about = widgets.get_widget('about')
  34                 icon_widget = widgets.get_widget('icon')
  35                 category = widgets.get_widget('category')
  36                 dialog_next = widgets.get_widget('dialog_next')
  37                 dialog_ok = widgets.get_widget('dialog_ok')
  38
  39                 if interface_uri:
  40                         uri.set_text(interface_uri)
  41
  42                 uri.connect('changed', set_uri_ok)
  43                 set_uri_ok(uri)
  44
  45                 category.set_active(11)
  46
  47                 def uri_dropped(eb, drag_context, x, y, selection_data, info, timestamp):
  48                         if info == _UTF_16:
  49                                 import codecs
  50                                 data = codecs.getdecoder('utf16')(selection_data.data)[0]
  51                                 data = data.split('\n', 1)[0].strip()
  52                         else:
  53                                 data = selection_data.data.split('\n', 1)[0].strip()
  54                         uri.set_text(data)
  55                         drag_context.finish(True, False, timestamp)
  56                         self.window.response(_RESPONSE_NEXT)
  57                         return True
  58                 self.window.drag_dest_set(gtk.DEST_DEFAULT_MOTION | gtk.DEST_DEFAULT_DROP | gtk.DEST_DEFAULT_HIGHLIGHT,
  59                                         [('text/uri-list', 0, _URI_LIST),
  60                                          ('text/x-moz-url', 0, _UTF_16)],
  61                                         gtk.gdk.ACTION_COPY)
  62                 self.window.connect('drag-data-received', uri_dropped)
  63
  64                 nb = widgets.get_widget('notebook1')
  65
  66                 def update_details_page():
  67                         iface = iface_cache.get_interface(uri.get_text())
  68                         about.set_text('%s - %s' % (iface.get_name(), iface.summary))
  69                         icon_path = iface_cache.get_icon_path(iface)
  70                         from zeroinstall.gtkui import icon
  71                         icon_pixbuf = icon.load_icon(icon_path)
  72                         if icon_pixbuf:
  73                                 icon_widget.set_from_pixbuf(icon_pixbuf)
  74
  75                         feed_category = None
  76                         for meta in iface.get_metadata(XMLNS_IFACE, 'category'):
  77                                 feed_category = meta.content
  78                                 break
  79                         if feed_category:
  80                                 i = 0
  81                                 for row in category.get_model():
  82                                         if row[0].lower() == feed_category.lower():
  83                                                 category.set_active(i)
  84                                                 break
  85                                         i += 1
  86                         self.window.set_response_sensitive(_RESPONSE_PREV, True)
  87
  88                 def finish():
  89                         import xdgutils
  90                         iface = iface_cache.get_interface(uri.get_text())
  91
  92                         try:
  93                                 icon_path = iface_cache.get_icon_path(iface)
  94                                 xdgutils.add_to_menu(iface, icon_path, category.get_active_text())
  95                         except SafeException, ex:
  96                                 box = gtk.MessageDialog(self.window, gtk.DIALOG_MODAL, gtk.MESSAGE_ERROR, gtk.BUTTONS_OK, str(ex))
  97                                 box.run()
  98                                 box.destroy()
  99                         else:
 100                                 self.window.destroy()
 101
 102                 def response(box, resp):
 103                         if resp == _RESPONSE_NEXT:
 104                                 iface = uri.get_text()
 105                                 self.window.set_sensitive(False)
 106                                 self.set_keep_above(False)
 107                                 import popen2
 108                                 child = popen2.Popen4(['0launch',
 109                                                   '--gui', '--download-only',
 110                                                   '--', iface])
 111                                 child.tochild.close()
 112                                 errors = ['']
 113                                 def output_ready(src, cond):
 114                                         got = os.read(src.fileno(), 100)
 115                                         if got:
 116                                                 errors[0] += got
 117                                         else:
 118                                                 status = child.wait()
 119                                                 self.window.set_sensitive(True)
 120                                                 self.set_keep_above(True)
 121                                                 if status == 0:
 122                                                         update_details_page()
 123                                                         nb.next_page()
 124                                                         dialog_next.set_property('visible', False)
 125                                                         dialog_ok.set_property('visible', True)
 126                                                         dialog_ok.grab_focus()
 127                                                 else:
 128                                                         box = gtk.MessageDialog(self.window, gtk.DIALOG_MODAL, gtk.MESSAGE_ERROR, gtk.BUTTONS_OK,
 129                                                                 'Failed to run 0launch.\n' + errors[0])
 130                                                         box.run()
 131                                                         box.destroy()
 132                                                 return False
 133                                         return True
 134                                 gobject.io_add_watch(child.fromchild,
 135                                                            gobject.IO_IN | gobject.IO_HUP,
 136                                                            output_ready)
 137                         elif resp == gtk.RESPONSE_OK:
 138                                 finish()
 139                         elif resp == _RESPONSE_PREV:
 140                                 dialog_next.set_property('visible', True)
 141                                 dialog_ok.set_property('visible', False)
 142                                 dialog_next.grab_focus()
 143                                 nb.prev_page()
 144                                 self.window.set_response_sensitive(_RESPONSE_PREV, False)
 145                         else:
 146                                 box.destroy()
 147                 self.window.connect('response', response)
 148
 149                 if len(sys.argv) > 1:
 150                         self.window.response(_RESPONSE_NEXT)
 151
 152         def set_keep_above(self, above):
 153                 if hasattr(self.window, 'set_keep_above'):
 154                         # This isn't very nice, but GNOME defaults to
 155                         # click-to-raise and in that mode drag-and-drop
 156                         # is useless without this...
 157                         self.window.set_keep_above(above)