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# Copyright (C) 2011 by Guillaume Hain (zedtux) <zedtux@zedroot.org>
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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from gi.repository import Gtk
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from gi.repository import GdkPixbuf
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from bzrlib.config import parse_username
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from bzrlib.plugins.gtk.i18n import _i18n
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from bzrlib.plugins.gtk.avatarproviders import (
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AvatarProviderGravatar,
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AvatarDownloaderWorker,
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class Avatar(Gtk.HBox):
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""" Author or committer avatar """
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def __init__(self, apparent_username):
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Gtk.HBox.__init__(self)
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self.apparent_username = apparent_username
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self.username, self.email = parse_username(apparent_username)
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def __eq__(self, other):
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return (self.apparent_username == other.apparent_username and
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self.username == other.username and
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self.email == other.email)
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def show_spinner(self):
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Replace the current content of the Avatar with a Gtk.Spinner
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if an email address has been parsed. If not, show an Gtk.Label with
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the translatable 'No email' text.
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tooltip = _i18n("Retrieving avatar for %s...") % self.email
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spinner = Gtk.Spinner()
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self.pack_start(spinner, False, True, 0)
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spinner.set_tooltip_text(tooltip)
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spinner.set_size_request(20, 20)
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no_email = Gtk.Label(label=_i18n("No email"))
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self.pack_start(no_email, True, True, 0)
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self.set_tooltip_text(self.apparent_username)
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"""Replace the current content of the Avatar with the Gtk.Image """
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if self.email and self.image:
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children = self.get_children()
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self.remove(children[0])
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self.pack_start(self.image, True, True, 0)
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self.image.set_tooltip_text(self.apparent_username)
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class AvatarBox(Gtk.HBox):
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"""HBox showing an avatar."""
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def __init__(self, homogeneous=False, spacing=0):
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Gtk.HBox.__init__(self, homogeneous=homogeneous, spacing=spacing)
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self.__displaying = None
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"""Remove current avatars from the gtk box."""
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for child in self.get_children():
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self.__displaying = None
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def have_avatar(self, avatar):
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"""Return True if this box has the specified avatar.
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return avatar.email in self.__avatars
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def showing(self, avatar):
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"""Return True if the displaying avatar matches the specified one.
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return self.__displaying and self.__displaying == avatar
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def append_avatars_with(self, avatar):
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Append avatars collection with the given one if not already registed
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otherwise render it back.
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When an avatar is added this method True, otherwise, if the avatar
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was in the collection, return False.
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if avatar.email and not avatar.email in self.__avatars:
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self.__avatars[avatar.email] = avatar
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self._new_cell_for_avatar(avatar)
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self.and_avatar_email(avatar.email).come_back_to_gui()
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def and_avatar_email(self, email):
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Select the avatar from avatars collection
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in order to apply future actions
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if email and email in self.__avatars:
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self.avatar = self.__avatars[email]
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def update_avatar_image_from_pixbuf_loader(self, loader):
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"""Replace the Gtk.Spinner with the given loader."""
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self.avatar.image = Gtk.Image()
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self.avatar.image.set_from_pixbuf(loader.get_pixbuf())
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self.avatar.show_image()
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self.__displaying = self.avatar
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def come_back_to_gui(self):
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"""Render back avatar in the GUI."""
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self.pack_start(self.avatar, True, True, 0)
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self.__displaying = self.avatar
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self._show_no_email()
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def _new_cell_for_avatar(self, avatar):
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"""Create a new cell in this box with a Gtk.Spinner."""
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avatar.show_spinner()
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self.pack_start(avatar, True, True, 0)
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self.__displaying = avatar
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def _show_no_email(self):
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"""Show a Gtk.Label with text 'No email'."""
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no_email = Gtk.Label(label=_i18n("No email"))
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self.pack_start(no_email, True, True, 0)
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class AvatarsBox(Gtk.HBox):
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"""GTK container for author and committer avatars."""
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super(AvatarsBox, self).__init__(homogeneous=False, spacing=10)
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self.__committer_box = None
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self.__authors_box = None
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# If more later you want to implement more avatar providers:
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# * Create a new class named AvatarProvider + provider_name that
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# inherit from the AvatarProvider class.
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# * Implement a method that return url to use in the request.
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# For example, with Gravatar, the method return the complete url
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# with MD5 hash of the email address and put the value in a
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# Then create a new worker (manage them in a python dictionary).
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provider = AvatarProviderGravatar()
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self.__worker = AvatarDownloaderWorker(
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provider.gravatar_id_for_email
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# This callback method should be fired by all workers when a request
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self.__worker.set_callback_method(self._update_avatar_from_response)
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self.connect('destroy', self.on_destroy)
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def on_destroy(self, widget):
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if self.__worker.is_alive():
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def add(self, username, role):
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"""Add the given username in the role box and add in the worker queue.
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avatar = Avatar(username)
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is_shown = self._role_box_for("committer").showing(avatar)
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if (role == "author" and not is_shown) or role == "committer":
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if self._role_box_for(role).append_avatars_with(avatar):
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self.__worker.queue(avatar.email)
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def merge(self, usernames, role):
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"""Add avatars from a list"""
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for username in usernames:
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self.add(username, role)
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Request a reset view for all boxes in order to show only avatars
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of the selected line in the revision view screen.
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for role in ("committer", "author"):
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self._role_box_for(role).reset_view()
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"""Create boxes where avatars will be displayed."""
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# 2 Gtk.HBox: One for the committer and one for authors
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self.__committer_box = AvatarBox()
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self.__committer_box.set_size_request(80, 80)
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self.pack_end(self.__committer_box, False, True, 0)
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self.__committer_box.show()
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self.__authors_box = AvatarBox()
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self.pack_end(self.__authors_box, False, True, 0)
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self.__authors_box.set_spacing(10)
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self.__authors_box.show()
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def _update_avatar_from_response(self, response, email):
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"""Callback method fired by avatar worker when finished.
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:param response: a urllib2.urlopen() return value.
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:param email: used to identify item from self.__avatars.
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# Convert downloaded image from provider to Gtk.Image
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loader = GdkPixbuf.PixbufLoader()
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loader.write(response.read())
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for role in ["committer", "author"]:
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self._role_box_for(role).and_avatar_email(
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email).update_avatar_image_from_pixbuf_loader(loader)
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def _role_box_for(self, role):
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""" Return the Gtk.HBox for the given role """
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if role == "committer":
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return self.__committer_box
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return self.__authors_box