sugar-toolkit-gtk3/shell/view/clipboardmenu.py

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# 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
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from gettext import gettext as _
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import tempfile
import urlparse
import os
import logging
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import gtk
import hippo
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from sugar.graphics.palette import Palette
from sugar.graphics.menuitem import MenuItem
from sugar.graphics import style
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from sugar.clipboard import clipboardservice
from sugar.datastore import datastore
from sugar import mime
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from sugar import profile
from sugar import activity
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class ClipboardMenu(Palette):
def __init__(self, object_id, name, percent, preview, activities, installable):
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Palette.__init__(self, name)
self._object_id = object_id
self._percent = percent
self._activities = activities
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self.set_group_id('frame')
self._progress_bar = None
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"""
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if preview:
self._preview_text = hippo.CanvasText(text=preview,
size_mode=hippo.CANVAS_SIZE_WRAP_WORD)
self._preview_text.props.color = color.LABEL_TEXT.get_int()
self._preview_text.props.font_desc = \
style.FONT_NORMAL.get_pango_desc()
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self.append(self._preview_text)
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"""
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self._remove_item = MenuItem(_('Remove'), 'list-remove')
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self._remove_item.connect('activate', self._remove_item_activate_cb)
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self.menu.append(self._remove_item)
self._remove_item.show()
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self._open_item = MenuItem(_('Open'))
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self._open_item.connect('activate', self._open_item_activate_cb)
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self.menu.append(self._open_item)
self._open_item.show()
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#self._stop_item = MenuItem(_('Stop download'), 'stock-close')
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# TODO: Implement stopping downloads
#self._stop_item.connect('activate', self._stop_item_activate_cb)
#self.append_menu_item(self._stop_item)
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self._journal_item = MenuItem(_('Add to journal'), 'document-save')
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self._journal_item.connect('activate', self._journal_item_activate_cb)
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self.menu.append(self._journal_item)
self._journal_item.show()
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self._update_items_visibility(installable)
self._update_open_submenu()
def _update_open_submenu(self):
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logging.debug('_update_open_submenu: %r' % self._activities)
if self._activities is None or len(self._activities) <= 1:
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if self._open_item.get_submenu() is not None:
self._open_item.remove_submenu()
return
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submenu = self._open_item.get_submenu()
if submenu is None:
submenu = gtk.Menu()
self._open_item.set_submenu(submenu)
submenu.show()
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else:
for item in submenu.get_children():
submenu.remove(item)
for service_name in self._activities:
registry = activity.get_registry()
activity_info = registry.get_activity(service_name)
if not activity_info:
logging.warning('Activity %s is unknown.' % service_name)
item = gtk.MenuItem(activity_info.name)
item.connect('activate', self._open_submenu_item_activate_cb, service_name)
submenu.append(item)
item.show()
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def _update_items_visibility(self, installable):
if self._percent == 100 and (self._activities or installable):
self._remove_item.props.sensitive = True
self._open_item.props.sensitive = True
#self._stop_item.props.sensitive = False
self._journal_item.props.sensitive = True
elif self._percent == 100 and (not self._activities and not installable):
self._remove_item.props.sensitive = True
self._open_item.props.sensitive = False
#self._stop_item.props.sensitive = False
self._journal_item.props.sensitive = True
else:
self._remove_item.props.sensitive = True
self._open_item.props.sensitive = False
# TODO: reenable the stop item when we implement stoping downloads.
#self._stop_item.props.sensitive = True
self._journal_item.props.sensitive = False
self._update_progress_bar()
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def _update_progress_bar(self):
if self._percent == 100.0:
if self._progress_bar:
self._progress_bar = None
self.set_content(None)
else:
if self._progress_bar is None:
self._progress_bar = gtk.ProgressBar()
self._progress_bar.show()
self.set_content(self._progress_bar)
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self._progress_bar.props.fraction = self._percent / 100.0
self._progress_bar.props.text = '%.2f %%' % self._percent
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def set_state(self, name, percent, preview, activities, installable):
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self.set_primary_text(name)
self._percent = percent
self._activities = activities
self._update_progress_bar()
self._update_items_visibility(installable)
self._update_open_submenu()
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def _open_item_activate_cb(self, menu_item):
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logging.debug('_open_item_activate_cb')
if self._percent < 100 or menu_item.get_submenu() is not None:
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return
jobject = self._copy_to_journal()
jobject.resume(self._activities[0])
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jobject.destroy()
def _open_submenu_item_activate_cb(self, menu_item, service_name):
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logging.debug('_open_submenu_item_activate_cb')
if self._percent < 100:
return
jobject = self._copy_to_journal()
jobject.resume(service_name)
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jobject.destroy()
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def _remove_item_activate_cb(self, menu_item):
cb_service = clipboardservice.get_instance()
cb_service.delete_object(self._object_id)
def _journal_item_activate_cb(self, menu_item):
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logging.debug('_journal_item_activate_cb')
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jobject = self._copy_to_journal()
jobject.destroy()
def _write_to_temp_file(self, data):
f, file_path = tempfile.mkstemp()
try:
os.write(f, data)
finally:
os.close(f)
return file_path
def _copy_to_journal(self):
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cb_service = clipboardservice.get_instance()
obj = cb_service.get_object(self._object_id)
format = mime.choose_most_significant(obj['FORMATS'])
data = cb_service.get_object_data(self._object_id, format)
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transfer_ownership = False
if format == 'text/uri-list':
uris = mime.split_uri_list(data['DATA'])
if len(uris) == 1 and uris[0].startswith('file://'):
file_path = urlparse.urlparse(uris[0]).path
transfer_ownership = False
mime_type = mime.get_for_file(file_path)
else:
file_path = self._write_to_temp_file(data['DATA'])
transfer_ownership = True
mime_type = 'text/uri-list'
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else:
if data['ON_DISK']:
file_path = urlparse.urlparse(data['DATA']).path
transfer_ownership = False
mime_type = mime.get_for_file(file_path)
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else:
file_path = self._write_to_temp_file(data['DATA'])
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transfer_ownership = True
mime_type = mime.get_for_file(file_path)
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jobject = datastore.create()
jobject.metadata['title'] = _('Clipboard object: %s.') % obj['NAME']
jobject.metadata['keep'] = '0'
jobject.metadata['buddies'] = ''
jobject.metadata['preview'] = ''
jobject.metadata['icon-color'] = profile.get_color().to_string()
jobject.metadata['mime_type'] = mime_type
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jobject.file_path = file_path
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datastore.write(jobject, transfer_ownership=transfer_ownership)
return jobject