1 # Copyright (C) 2009, Thomas Leonard
2 # See the README file for details, or visit http://0install.net.
6 from logging
import info
8 from zeroinstall
import SafeException
9 from zeroinstall
.support
import tasks
, pretty_size
10 from zeroinstall
.injector
import download
, iface_cache
11 from iface_browser
import InterfaceBrowser
13 from zeroinstall
.gtkui
import gtkutils
14 from zeroinstall
.gtkui
import help_box
23 cancel_download_and_run
= None
27 systray_icon_blocker
= None
29 def __init__(self
, policy
, widgets
, download_only
, select_only
= False):
31 self
.select_only
= select_only
33 policy
.watchers
.append(lambda: self
.window
.set_response_sensitive(gtk
.RESPONSE_OK
, policy
.solver
.ready
))
35 self
.window
= widgets
.get_widget('main')
36 self
.window
.set_default_size(gtk
.gdk
.screen_width() * 2 / 5, 300)
38 self
.progress
= widgets
.get_widget('progress')
39 self
.progress_area
= widgets
.get_widget('progress_area')
40 self
.comment
= widgets
.get_widget('comment')
42 widgets
.get_widget('stop').connect('clicked', lambda b
: policy
.handler
.abort_all_downloads())
44 self
.refresh_button
= widgets
.get_widget('refresh')
47 self
.browser
= InterfaceBrowser(policy
, widgets
)
49 prefs
= widgets
.get_widget('preferences')
50 self
.window
.action_area
.set_child_secondary(prefs
, True)
52 # Glade won't let me add this to the template!
54 run_button
= dialog
.MixedButton(_("_Select"), gtk
.STOCK_EXECUTE
, button
= gtk
.ToggleButton())
56 run_button
= dialog
.MixedButton(_("_Download"), gtk
.STOCK_EXECUTE
, button
= gtk
.ToggleButton())
58 run_button
= dialog
.MixedButton(_("_Run"), gtk
.STOCK_EXECUTE
, button
= gtk
.ToggleButton())
59 self
.window
.add_action_widget(run_button
, gtk
.RESPONSE_OK
)
61 run_button
.set_flags(gtk
.CAN_DEFAULT
)
62 self
.run_button
= run_button
64 self
.window
.set_default_response(gtk
.RESPONSE_OK
)
65 self
.window
.default_widget
.grab_focus()
67 def response(dialog
, resp
):
68 if resp
in (gtk
.RESPONSE_CANCEL
, gtk
.RESPONSE_DELETE_EVENT
):
71 elif resp
== gtk
.RESPONSE_OK
:
72 if self
.cancel_download_and_run
:
73 self
.cancel_download_and_run
.trigger()
74 if run_button
.get_active():
75 self
.cancel_download_and_run
= tasks
.Blocker("cancel downloads")
76 self
.download_and_run(run_button
, self
.cancel_download_and_run
)
77 elif resp
== gtk
.RESPONSE_HELP
:
79 elif resp
== SHOW_PREFERENCES
:
81 preferences
.show_preferences(policy
.config
, notify_cb
= lambda: policy
.solve_with_downloads())
82 self
.window
.connect('response', response
)
83 self
.window
.realize() # Make busy pointer work, even with --systray
91 def set_response_sensitive(self
, response
, sensitive
):
92 self
.window
.set_response_sensitive(response
, sensitive
)
95 def download_and_run(self
, run_button
, cancelled
):
97 if not self
.select_only
:
98 downloaded
= self
.policy
.download_uncached_implementations()
101 # We need to wait until everything is downloaded...
102 blockers
= [downloaded
, cancelled
]
104 tasks
.check(blockers
)
106 if cancelled
.happened
:
109 uncached
= self
.policy
.get_uncached_implementations()
111 uncached
= None # (we don't care)
114 missing
= '\n- '.join([_('%(iface_name)s %(impl_version)s') % {'iface_name': iface
.get_name(), 'impl_version': impl
.get_version()} for iface
, impl
in uncached
])
115 dialog
.alert(self
.window
, _('Not all downloads succeeded; cannot run program.\n\nFailed to get:') + '\n- ' + missing
)
117 from zeroinstall
.injector
import selections
118 sels
= selections
.Selections(self
.policy
)
120 reply
= doc
.toxml('utf-8')
121 sys
.stdout
.write(('Length:%8x\n' % len(reply
)) + reply
)
122 self
.window
.destroy()
123 sys
.exit(0) # Success
126 except download
.DownloadAborted
, ex
:
127 run_button
.set_active(False)
128 # Don't bother reporting this to the user
129 except Exception, ex
:
130 run_button
.set_active(False)
131 self
.report_exception(ex
)
133 def update_download_status(self
):
134 """Called at regular intervals while there are downloads in progress,
135 and once at the end. Update the display."""
136 monitored_downloads
= self
.policy
.handler
.monitored_downloads
138 self
.browser
.update_download_status()
140 if not monitored_downloads
:
141 self
.progress_area
.hide()
142 self
.window
.window
.set_cursor(None)
145 if not self
.progress_area
.get_property('visible'):
146 self
.progress_area
.show()
147 self
.window
.window
.set_cursor(gtkutils
.get_busy_pointer())
150 done
= total
= self
.policy
.handler
.total_bytes_downloaded
# Completed downloads
151 n_downloads
= self
.policy
.handler
.n_completed_downloads
152 # Now add downloads in progress...
153 for x
in monitored_downloads
.values():
154 if x
.status
!= download
.download_fetching
: continue
158 so_far
= x
.get_bytes_downloaded_so_far()
159 total
+= x
.expected_size
or max(4096, so_far
) # Guess about 4K for feeds/icons
162 progress_text
= '%s / %s' % (pretty_size(done
), pretty_size(total
))
163 self
.progress
.set_text(
164 ngettext('Downloading one file (%(progress)s)',
165 'Downloading %(number)d files (%(progress)s)', n_downloads
)
166 % {'progress': progress_text
, 'number': n_downloads
})
168 if total
== 0 or (n_downloads
< 2 and not any_known
):
169 self
.progress
.pulse()
171 self
.progress
.set_fraction(float(done
) / total
)
173 def set_message(self
, message
):
175 self
.comment
.set_text(message
)
176 attrs
= pango
.AttrList()
177 attrs
.insert(pango
.AttrWeight(pango
.WEIGHT_BOLD
, end_index
= len(message
)))
178 self
.comment
.set_attributes(attrs
)
181 def use_systray_icon(self
):
183 self
.systray_icon
= gtk
.status_icon_new_from_icon_name("zeroinstall-zero2desktop")
184 except Exception, ex
:
185 info(_("No system tray support: %s"), ex
)
187 root_iface
= iface_cache
.iface_cache
.get_interface(self
.policy
.root
)
188 self
.systray_icon
.set_tooltip(_('Checking for updates for %s') % root_iface
.get_name())
189 self
.systray_icon
.connect('activate', self
.remove_systray_icon
)
190 self
.systray_icon_blocker
= tasks
.Blocker('Tray icon clicked')
192 def remove_systray_icon(self
, i
= None):
193 assert self
.systray_icon
, i
195 self
.systray_icon
.set_visible(False)
196 self
.systray_icon
= None
197 self
.systray_icon_blocker
.trigger()
198 self
.systray_icon_blocker
= None
200 def report_exception(self
, ex
, tb
= None):
201 if not isinstance(ex
, SafeException
):
203 traceback
.print_exception(ex
, None, tb
)
204 if self
.systray_icon
:
205 self
.systray_icon
.set_blinking(True)
206 self
.systray_icon
.set_tooltip(str(ex
) + '\n' + _('(click for details)'))
208 dialog
.alert(self
.window
, str(ex
))
210 gui_help
= help_box
.HelpBox(_("Injector Help"),
211 (_('Overview'), '\n' +
212 _("""A program is made up of many different components, typically written by different \
213 groups of people. Each component is available in multiple versions. Zero Install is \
214 used when starting a program. Its job is to decide which implementation of each required \
217 Zero Install starts with the program you want to run (like 'The Gimp') and chooses an \
218 implementation (like 'The Gimp 2.2.0'). However, this implementation \
219 will in turn depend on other components, such as 'GTK' (which draws the menus \
220 and buttons). Thus, it must choose implementations of \
221 each dependency (each of which may require further components, and so on).""")),
223 (_('List of components'), '\n' +
224 _("""The main window displays all these components, and the version of each chosen \
225 implementation. The top-most one represents the program you tried to run, and each direct \
226 child is a dependency. The 'Fetch' column shows the amount of data that needs to be \
227 downloaded, or '(cached)' if it is already on this computer.
229 If you are happy with the choices shown, click on the Download (or Run) button to \
230 download (and run) the program.""")),
232 (_('Choosing different versions'), '\n' +
233 _("""To control which implementations (versions) are chosen you can click on Preferences \
234 and adjust the network policy and the overall stability policy. These settings affect \
235 all programs run using Zero Install.
237 Alternatively, you can edit the policy of an individual component by clicking on the \
238 button at the end of its line in the table and choosing "Show Versions" from the menu. \
239 See that dialog's help text for more information.""") + '\n'),
241 (_('Reporting bugs'), '\n' +
242 _("""To report a bug, right-click over the component which you think contains the problem \
243 and choose 'Report a Bug...' from the menu. If you don't know which one is the cause, \
244 choose the top one (i.e. the program itself). The program's author can reassign the \
245 bug if necessary, or switch to using a different version of the library.""") + '\n'),
247 (_('The cache'), '\n' +
248 _("""Each version of a program that is downloaded is stored in the Zero Install cache. This \
249 means that it won't need to be downloaded again each time you run the program. The \
250 "0store manage" command can be used to view the cache.""") + '\n'),