def __init__(self):
super(AvatarsBox, self).__init__(homogeneous=False, spacing=10)
self.__committer_box = None
self.__authors_box = None
self._init_gui()
# If more later you want to implement more avatar providers:
# * Create a new class named AvatarProvider + provider_name that
# inherit from the AvatarProvider class.
# * Implement a method that return url to use in the request.
# For example, with Gravatar, the method return the complete url
# with MD5 hash of the email address and put the value in a
# gravatar_id field.
# Then create a new worker (manage them in a python dictionary).
provider = AvatarProviderGravatar()
self.__worker = AvatarDownloaderWorker(
provider.gravatar_id_for_email
)
# This callback method should be fired by all workers when a request
# is done.
self.__worker.set_callback_method(self._update_avatar_from_response)
self.connect('destroy', self.on_destroy)
class AvatarsBox(Gtk.HBox):
"""GTK container for author and committer avatars."""
def __init__(self):
super(AvatarsBox, self).__init__(homogeneous=False, spacing=10)
self.__committer_box = None
self.__authors_box = None
self._init_gui()
# If more later you want to implement more avatar providers:
# * Create a new class named AvatarProvider + provider_name that
# inherit from the AvatarProvider class.
# * Implement a method that return url to use in the request.
# For example, with Gravatar, the method return the complete url
# with MD5 hash of the email address and put the value in a
# gravatar_id field.
# Then create a new worker (manage them in a python dictionary).
provider = AvatarProviderGravatar()
self.__worker = AvatarDownloaderWorker(
provider.gravatar_id_for_email
)
# This callback method should be fired by all workers when a request
# is done.
self.__worker.set_callback_method(self._update_avatar_from_response)
self.connect('destroy', self.on_destroy)
def on_destroy(self, widget):
self.__worker.stop()
if self.__worker.is_alive():
self.__worker.join()
def add(self, username, role):
"""Add the given username in the role box and add in the worker queue.
"""
avatar = Avatar(username)
is_shown = self._role_box_for("committer").showing(avatar)
if (role == "author" and not is_shown) or role == "committer":
if self._role_box_for(role).append_avatars_with(avatar):
self.__worker.queue(avatar.email)
def merge(self, usernames, role):
"""Add avatars from a list"""
for username in usernames:
self.add(username, role)
def reset(self):
"""
Request a reset view for all boxes in order to show only avatars
of the selected line in the revision view screen.
"""
for role in ("committer", "author"):
self._role_box_for(role).reset_view()
def _init_gui(self):
"""Create boxes where avatars will be displayed."""
# 2 Gtk.HBox: One for the committer and one for authors
# Committer
self.__committer_box = AvatarBox()
self.__committer_box.set_size_request(80, 80)
self.pack_end(self.__committer_box, False, True, 0)
self.__committer_box.show()
# Authors
self.__authors_box = AvatarBox()
self.pack_end(self.__authors_box, False, True, 0)
self.__authors_box.set_spacing(10)
self.__authors_box.show()
def _update_avatar_from_response(self, response, email):
"""Callback method fired by avatar worker when finished.
:param response: a urllib2.urlopen() return value.
:param email: used to identify item from self.__avatars.
"""
if email:
# Convert downloaded image from provider to Gtk.Image
loader = GdkPixbuf.PixbufLoader()
loader.write(response.read())
loader.close()
for role in ["committer", "author"]:
self._role_box_for(role).and_avatar_email(
email).update_avatar_image_from_pixbuf_loader(loader)
def _role_box_for(self, role):
""" Return the Gtk.HBox for the given role """
if role == "committer":
return self.__committer_box
else:
return self.__authors_box
