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# Copyright (C) 2008 One Laptop Per Child
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
import gobject
import gtk
import hippo
import gconf
from sugar import util
from sugar.graphics import style
from sugar.graphics.icon import CanvasIcon
from sugar.graphics.xocolor import XoColor
from sugar.activity import activityfactory
from jarabe.model import bundleregistry
from jarabe.view.palettes import ActivityPalette
class ActivitiesList(gtk.VBox):
__gtype_name__ = 'SugarActivitiesList'
__gsignals__ = {
'erase-activated' : (gobject.SIGNAL_RUN_FIRST,
gobject.TYPE_NONE, ([str])),
}
def __init__(self):
gobject.GObject.__init__(self)
scrolled_window = gtk.ScrolledWindow()
scrolled_window.set_policy(gtk.POLICY_NEVER, gtk.POLICY_AUTOMATIC)
scrolled_window.set_shadow_type(gtk.SHADOW_NONE)
scrolled_window.connect('key-press-event', self.__key_press_event_cb)
self.pack_start(scrolled_window)
scrolled_window.show()
canvas = hippo.Canvas()
scrolled_window.add_with_viewport(canvas)
scrolled_window.child.set_shadow_type(gtk.SHADOW_NONE)
canvas.show()
self._alert = None
self._query = ''
self._box = hippo.CanvasBox()
self._box.props.background_color = style.COLOR_WHITE.get_int()
canvas.set_root(self._box)
registry = bundleregistry.get_registry()
for info in registry:
self._add_activity(info)
registry.connect('bundle-added', self.__activity_added_cb)
registry.connect('bundle-removed', self.__activity_removed_cb)
def __activity_added_cb(self, activity_registry, activity_info):
self._add_activity(activity_info)
def __activity_removed_cb(self, activity_registry, activity_info):
for entry in self._box.get_children():
if entry.get_bundle_id() == activity_info.get_bundle_id() and \
entry.get_version() == activity_info.get_activity_version():
self._box.remove(entry)
return
def _compare_activities(self, entry_a, entry_b):
return entry_b.get_installation_time() - entry_a.get_installation_time()
def _add_activity(self, activity_info):
entry = ActivityEntry(activity_info)
entry.icon.connect('erase-activated', self.__erase_activated_cb)
self._box.insert_sorted(entry, 0, self._compare_activities)
entry.set_visible(entry.matches(self._query))
def __erase_activated_cb(self, activity_icon, bundle_id):
self.emit('erase-activated', bundle_id)
def set_filter(self, query):
self._query = query
for entry in self._box.get_children():
entry.set_visible(entry.matches(query))
def __key_press_event_cb(self, scrolled_window, event):
keyname = gtk.gdk.keyval_name(event.keyval)
vadjustment = scrolled_window.props.vadjustment
if keyname == 'Up':
if vadjustment.props.value > vadjustment.props.lower:
vadjustment.props.value -= vadjustment.props.step_increment
elif keyname == 'Down':
max_value = vadjustment.props.upper - vadjustment.props.page_size
if vadjustment.props.value < max_value:
vadjustment.props.value = min(
vadjustment.props.value + vadjustment.props.step_increment,
max_value)
else:
return False
return True
def add_alert(self, alert):
if self._alert is not None:
self.remove_alert()
self._alert = alert
self.pack_start(alert, False)
self.reorder_child(alert, 0)
def remove_alert(self):
self.remove(self._alert)
self._alert = None
class ActivityIcon(CanvasIcon):
__gtype_name__ = 'SugarListActivityIcon'
__gsignals__ = {
'erase-activated' : (gobject.SIGNAL_RUN_FIRST,
gobject.TYPE_NONE, ([str])),
}
def __init__(self, activity_info):
CanvasIcon.__init__(self, size=style.STANDARD_ICON_SIZE, cache=True,
file_name=activity_info.get_icon())
self._activity_info = activity_info
self._uncolor()
self.connect('hovering-changed', self.__hovering_changed_event_cb)
self.connect('button-release-event', self.__button_release_event_cb)
client = gconf.client_get_default()
self._xocolor = XoColor(client.get_string("/desktop/sugar/user/color"))
def create_palette(self):
palette = ActivityPalette(self._activity_info)
palette.connect('erase-activated', self.__erase_activated_cb)
return palette
def __erase_activated_cb(self, palette):
self.emit('erase-activated', self._activity_info.get_bundle_id())
def _color(self):
self.props.xo_color = self._xocolor
def _uncolor(self):
self.props.stroke_color = style.COLOR_BUTTON_GREY.get_svg()
self.props.fill_color = style.COLOR_TRANSPARENT.get_svg()
def __hovering_changed_event_cb(self, icon, hovering):
if hovering:
self._color()
else:
self._uncolor()
def __button_release_event_cb(self, icon, event):
self.palette.popdown(immediate=True)
self._uncolor()
class ActivityEntry(hippo.CanvasBox, hippo.CanvasItem):
__gtype_name__ = 'SugarActivityEntry'
_TITLE_COL_WIDTH = style.GRID_CELL_SIZE * 3
_VERSION_COL_WIDTH = style.GRID_CELL_SIZE * 1
_DATE_COL_WIDTH = style.GRID_CELL_SIZE * 5
def __init__(self, activity_info):
hippo.CanvasBox.__init__(self, spacing=style.DEFAULT_SPACING,
padding_top=style.DEFAULT_PADDING,
padding_bottom=style.DEFAULT_PADDING,
padding_left=style.DEFAULT_PADDING * 2,
padding_right=style.DEFAULT_PADDING * 2,
box_height=style.GRID_CELL_SIZE,
orientation=hippo.ORIENTATION_HORIZONTAL)
registry = bundleregistry.get_registry()
registry.connect('bundle-changed', self.__activity_changed_cb)
self._bundle = activity_info
self._bundle_id = activity_info.get_bundle_id()
self._version = activity_info.get_activity_version()
self._favorite = registry.is_bundle_favorite(self._bundle_id,
self._version)
self._title = activity_info.get_name()
self._installation_time = activity_info.get_installation_time()
self._favorite_icon = FavoriteIcon(self._favorite)
self._favorite_icon.connect('notify::favorite',
self.__favorite_changed_cb)
self.append(self._favorite_icon)
self.icon = ActivityIcon(activity_info)
self.icon.connect('button-release-event',
self.__icon_button_release_event_cb)
self.append(self.icon)
if gtk.widget_get_default_direction() == gtk.TEXT_DIR_RTL:
align = hippo.ALIGNMENT_END
else:
align = hippo.ALIGNMENT_START
title = hippo.CanvasText(text=activity_info.get_name(),
xalign=align,
font_desc=style.FONT_BOLD.get_pango_desc(),
box_width=ActivityEntry._TITLE_COL_WIDTH)
self.append(title)
version = hippo.CanvasText(text=activity_info.get_activity_version(),
xalign=hippo.ALIGNMENT_END,
font_desc=style.FONT_NORMAL.get_pango_desc(),
box_width=ActivityEntry._VERSION_COL_WIDTH)
self.append(version)
expander = hippo.CanvasBox()
self.append(expander, hippo.PACK_EXPAND)
timestamp = activity_info.get_installation_time()
date = hippo.CanvasText(
text=util.timestamp_to_elapsed_string(timestamp),
xalign=align,
font_desc=style.FONT_NORMAL.get_pango_desc(),
box_width=ActivityEntry._DATE_COL_WIDTH)
self.append(date)
if gtk.widget_get_default_direction() == gtk.TEXT_DIR_RTL:
self.reverse()
def __favorite_changed_cb(self, favorite_icon, pspec):
registry = bundleregistry.get_registry()
registry.set_bundle_favorite(self._bundle_id, self._version,
favorite_icon.props.favorite)
def __activity_changed_cb(self, activity_registry, activity_info):
if self._bundle_id == activity_info.get_bundle_id() and \
self._version == activity_info.get_activity_version():
self._title = activity_info.get_name()
registry = bundleregistry.get_registry()
self._favorite = registry.is_bundle_favorite(self._bundle_id,
self._version)
self._favorite_icon.props.favorite = self._favorite
def __icon_button_release_event_cb(self, icon, event):
activityfactory.create(self._bundle)
def get_bundle_id(self):
return self._bundle_id
def get_version(self):
return self._version
def get_installation_time(self):
return self._installation_time
def matches(self, query):
if not query:
return True
return self._title.lower().find(query) > -1
class FavoriteIcon(CanvasIcon):
def __init__(self, favorite):
CanvasIcon.__init__(self, icon_name='emblem-favorite',
box_width=style.GRID_CELL_SIZE*3/5,
size=style.SMALL_ICON_SIZE)
self._favorite = None
self.set_favorite(favorite)
self.connect('button-release-event', self.__release_event_cb)
self.connect('motion-notify-event', self.__motion_notify_event_cb)
def set_favorite(self, favorite):
if favorite == self._favorite:
return
self._favorite = favorite
if favorite:
client = gconf.client_get_default()
color = XoColor(client.get_string('/desktop/sugar/user/color'))
self.props.xo_color = color
else:
self.props.stroke_color = style.COLOR_BUTTON_GREY.get_svg()
self.props.fill_color = style.COLOR_WHITE.get_svg()
def get_favorite(self):
return self._favorite
favorite = gobject.property(
type=bool, default=False, getter=get_favorite, setter=set_favorite)
def __release_event_cb(self, icon, event):
self.props.favorite = not self.props.favorite
def __motion_notify_event_cb(self, icon, event):
if not self._favorite:
if event.detail == hippo.MOTION_DETAIL_ENTER:
icon.props.fill_color = style.COLOR_BUTTON_GREY.get_svg()
elif event.detail == hippo.MOTION_DETAIL_LEAVE:
icon.props.fill_color = style.COLOR_TRANSPARENT.get_svg()
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