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# Copyright (C) 2007, Red Hat, Inc.
# Copyright (C) 2007, 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 logging
from gettext import gettext as _
import gobject
import gtk
from sugar.graphics.radiotoolbutton import RadioToolButton
from sugar.graphics.xocolor import XoColor
from sugar.graphics.icon import Icon
from sugar.graphics import style
from sugar.clipboard import clipboardservice
from sugar.bundle.activitybundle import ActivityBundle
from sugar import util
from sugar import profile
from view.clipboardmenu import ClipboardMenu
from view.frame.frameinvoker import FrameWidgetInvoker
class ClipboardIcon(RadioToolButton):
__gtype_name__ = 'SugarClipboardIcon'
def __init__(self, object_id, name, group):
RadioToolButton.__init__(self, group=group)
self._object_id = object_id
self._name = name
self._percent = 0
self._preview = None
self._activity = None
self.owns_clipboard = False
self.props.sensitive = False
self.props.active = False
self._icon = Icon()
self._icon.props.xo_color = profile.get_color()
self.set_icon_widget(self._icon)
self._icon.show()
cb_service = clipboardservice.get_instance()
cb_service.connect('object-state-changed', self._object_state_changed_cb)
obj = cb_service.get_object(self._object_id)
self.palette = ClipboardMenu(self._object_id, self._name, self._percent,
self._preview, self._activity,
self._is_bundle(obj['FORMATS']))
self.palette.props.invoker = FrameWidgetInvoker(self)
self.child.connect('drag_data_get', self._drag_data_get_cb)
self.connect('notify::active', self._notify_active_cb)
def _is_bundle(self, formats):
# A bundle will have only one format.
return formats and formats[0] in [ActivityBundle.MIME_TYPE,
ActivityBundle.DEPRECATED_MIME_TYPE]
def get_object_id(self):
return self._object_id
def _drag_data_get_cb(self, widget, context, selection, targetType, eventTime):
logging.debug('_drag_data_get_cb: requested target ' + selection.target)
cb_service = clipboardservice.get_instance()
data = cb_service.get_object_data(self._object_id, selection.target)['DATA']
selection.set(selection.target, 8, data)
def _put_in_clipboard(self):
logging.debug('ClipboardIcon._put_in_clipboard')
if self._percent < 100:
raise ValueError('Object is not complete, cannot be put into the clipboard.')
targets = self._get_targets()
if targets:
clipboard = gtk.Clipboard()
if not clipboard.set_with_data(targets,
self._clipboard_data_get_cb,
self._clipboard_clear_cb,
targets):
logging.error('GtkClipboard.set_with_data failed!')
else:
self.owns_clipboard = True
def _clipboard_data_get_cb(self, clipboard, selection, info, targets):
if not selection.target in [target[0] for target in targets]:
logging.warning('ClipboardIcon._clipboard_data_get_cb: asked %s but' \
' only have %r.' % (selection.target, targets))
return
cb_service = clipboardservice.get_instance()
data = cb_service.get_object_data(self._object_id, selection.target)['DATA']
selection.set(selection.target, 8, data)
def _clipboard_clear_cb(self, clipboard, targets):
logging.debug('ClipboardIcon._clipboard_clear_cb')
self.owns_clipboard = False
def _object_state_changed_cb(self, cb_service, object_id, name, percent,
icon_name, preview, activity):
if object_id != self._object_id:
return
cb_service = clipboardservice.get_instance()
obj = cb_service.get_object(self._object_id)
if icon_name:
self._icon.props.icon_name = icon_name
else:
self._icon.props.icon_name = 'application-octet-stream'
self.child.drag_source_set(gtk.gdk.BUTTON1_MASK,
self._get_targets(),
gtk.gdk.ACTION_COPY)
self.child.drag_source_set_icon_name(self._icon.props.icon_name)
self._name = name
self._preview = preview
self._activity = activity
self.palette.set_state(name, percent, preview, activity,
self._is_bundle(obj['FORMATS']))
old_percent = self._percent
self._percent = percent
if self._percent == 100:
self.props.sensitive = True
# Clipboard object became complete. Make it the active one.
if old_percent < 100 and self._percent == 100:
self.props.active = True
def _notify_active_cb(self, widget, pspec):
if self.props.active:
self._put_in_clipboard()
else:
self.owns_clipboard = False
def _get_targets(self):
cb_service = clipboardservice.get_instance()
attrs = cb_service.get_object(self._object_id)
format_types = attrs[clipboardservice.FORMATS_KEY]
targets = []
for format_type in format_types:
targets.append((format_type, 0, 0))
return targets
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