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Diffstat (limited to 'src/jarabe/journal/misc.py')
| -rw-r--r-- | src/jarabe/journal/misc.py | 315 |
1 files changed, 315 insertions, 0 deletions
diff --git a/src/jarabe/journal/misc.py b/src/jarabe/journal/misc.py new file mode 100644 index 0000000..1431d5f --- /dev/null +++ b/src/jarabe/journal/misc.py @@ -0,0 +1,315 @@ +# 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 +import time +import os +from gettext import gettext as _ + +import gio +import gconf +import gtk + +from sugar.activity import activityfactory +from sugar.activity.activityhandle import ActivityHandle +from sugar.graphics.icon import get_icon_file_name +from sugar.graphics.xocolor import XoColor +from sugar.graphics.alert import ConfirmationAlert +from sugar import mime +from sugar.bundle.activitybundle import ActivityBundle +from sugar.bundle.bundle import AlreadyInstalledException +from sugar.bundle.contentbundle import ContentBundle +from sugar import util + +from jarabe.view import launcher +from jarabe.model import bundleregistry, shell +from jarabe.journal.journalentrybundle import JournalEntryBundle +from jarabe.journal import model +from jarabe.journal import journalwindow + + +def _get_icon_for_mime(mime_type): + generic_types = mime.get_all_generic_types() + for generic_type in generic_types: + if mime_type in generic_type.mime_types: + file_name = get_icon_file_name(generic_type.icon) + if file_name is not None: + return file_name + + icons = gio.content_type_get_icon(mime_type) + logging.debug('icons for this file: %r', icons.props.names) + for icon_name in icons.props.names: + file_name = get_icon_file_name(icon_name) + if file_name is not None: + return file_name + + +def get_icon_name(metadata): + file_name = None + + bundle_id = metadata.get('activity', '') + if not bundle_id: + bundle_id = metadata.get('bundle_id', '') + + if bundle_id: + activity_info = bundleregistry.get_registry().get_bundle(bundle_id) + if activity_info: + file_name = activity_info.get_icon() + + if file_name is None and is_activity_bundle(metadata): + file_path = model.get_file(metadata['uid']) + if file_path is not None and os.path.exists(file_path): + try: + bundle = ActivityBundle(file_path) + file_name = bundle.get_icon() + except Exception: + logging.exception('Could not read bundle') + + if file_name is None: + file_name = _get_icon_for_mime(metadata.get('mime_type', '')) + + if file_name is None: + file_name = get_icon_file_name('application-octet-stream') + + return file_name + + +def get_date(metadata): + """ Convert from a string in iso format to a more human-like format. """ + if 'timestamp' in metadata: + try: + timestamp = float(metadata['timestamp']) + except (TypeError, ValueError): + logging.warning('Invalid timestamp: %r', metadata['timestamp']) + else: + return util.timestamp_to_elapsed_string(timestamp) + + if 'mtime' in metadata: + try: + ti = time.strptime(metadata['mtime'], '%Y-%m-%dT%H:%M:%S') + except (TypeError, ValueError): + logging.warning('Invalid mtime: %r', metadata['mtime']) + else: + return util.timestamp_to_elapsed_string(time.mktime(ti)) + + return _('No date') + + +def get_bundle(metadata): + try: + if is_activity_bundle(metadata): + file_path = model.get_file(metadata['uid']) + if not os.path.exists(file_path): + logging.warning('Invalid path: %r', file_path) + return None + return ActivityBundle(file_path) + + elif is_content_bundle(metadata): + file_path = model.get_file(metadata['uid']) + if not os.path.exists(file_path): + logging.warning('Invalid path: %r', file_path) + return None + return ContentBundle(file_path) + + elif is_journal_bundle(metadata): + file_path = model.get_file(metadata['uid']) + if not os.path.exists(file_path): + logging.warning('Invalid path: %r', file_path) + return None + return JournalEntryBundle(file_path) + else: + return None + except Exception: + logging.exception('Incorrect bundle') + return None + + +def _get_activities_for_mime(mime_type): + registry = bundleregistry.get_registry() + result = registry.get_activities_for_type(mime_type) + if not result: + for parent_mime in mime.get_mime_parents(mime_type): + for activity in registry.get_activities_for_type(parent_mime): + if activity not in result: + result.append(activity) + return result + + +def get_activities(metadata): + activities = [] + + bundle_id = metadata.get('activity', '') + if bundle_id: + activity_info = bundleregistry.get_registry().get_bundle(bundle_id) + if activity_info: + activities.append(activity_info) + + mime_type = metadata.get('mime_type', '') + if mime_type: + activities_info = _get_activities_for_mime(mime_type) + for activity_info in activities_info: + if activity_info not in activities: + activities.append(activity_info) + + return activities + + +def resume(metadata, bundle_id=None): + registry = bundleregistry.get_registry() + + if is_activity_bundle(metadata) and bundle_id is None: + + logging.debug('Creating activity bundle') + + file_path = model.get_file(metadata['uid']) + bundle = ActivityBundle(file_path) + if not registry.is_installed(bundle): + logging.debug('Installing activity bundle') + try: + registry.install(bundle) + except AlreadyInstalledException: + _downgrade_option_alert(bundle) + return + else: + logging.debug('Upgrading activity bundle') + registry.upgrade(bundle) + + _launch_bundle(bundle) + + elif is_content_bundle(metadata) and bundle_id is None: + + logging.debug('Creating content bundle') + + file_path = model.get_file(metadata['uid']) + bundle = ContentBundle(file_path) + if not bundle.is_installed(): + logging.debug('Installing content bundle') + bundle.install() + + activities = _get_activities_for_mime('text/html') + if len(activities) == 0: + logging.warning('No activity can open HTML content bundles') + return + + uri = bundle.get_start_uri() + logging.debug('activityfactory.creating with uri %s', uri) + + activity_bundle = registry.get_bundle(activities[0].get_bundle_id()) + launch(activity_bundle, uri=uri) + else: + activity_id = metadata.get('activity_id', '') + + if bundle_id is None: + activities = get_activities(metadata) + if not activities: + logging.warning('No activity can open this object, %s.', + metadata.get('mime_type', None)) + return + bundle_id = activities[0].get_bundle_id() + + bundle = registry.get_bundle(bundle_id) + + if metadata.get('mountpoint', '/') == '/': + object_id = metadata['uid'] + else: + object_id = model.copy(metadata, '/') + + launch(bundle, activity_id=activity_id, object_id=object_id, + color=get_icon_color(metadata)) + + +def _launch_bundle(bundle): + registry = bundleregistry.get_registry() + logging.debug('activityfactory.creating bundle with id %r', + bundle.get_bundle_id()) + installed_bundle = registry.get_bundle(bundle.get_bundle_id()) + if installed_bundle: + launch(installed_bundle) + else: + logging.error('Bundle %r is not installed.', + bundle.get_bundle_id()) + + +def launch(bundle, activity_id=None, object_id=None, uri=None, color=None, + invited=False): + if activity_id is None or not activity_id: + activity_id = activityfactory.create_activity_id() + + logging.debug('launch bundle_id=%s activity_id=%s object_id=%s uri=%s', + bundle.get_bundle_id(), activity_id, object_id, uri) + + shell_model = shell.get_model() + activity = shell_model.get_activity_by_id(activity_id) + if activity is not None: + logging.debug('re-launch %r', activity.get_window()) + activity.get_window().activate(gtk.get_current_event_time()) + return + + if color is None: + client = gconf.client_get_default() + color = XoColor(client.get_string('/desktop/sugar/user/color')) + + launcher.add_launcher(activity_id, bundle.get_icon(), color) + activity_handle = ActivityHandle(activity_id=activity_id, + object_id=object_id, uri=uri, invited=invited) + activityfactory.create(bundle, activity_handle) + + +def _downgrade_option_alert(bundle): + alert = ConfirmationAlert() + alert.props.title = _('Older Version Of %s Activity') % (bundle.get_name()) + alert.props.msg = _('Do you want to downgrade to version %s') % \ + bundle.get_activity_version() + alert.connect('response', _downgrade_alert_response_cb, bundle) + journalwindow.get_journal_window().add_alert(alert) + alert.show() + + +def _downgrade_alert_response_cb(alert, response_id, bundle): + if response_id is gtk.RESPONSE_OK: + journalwindow.get_journal_window().remove_alert(alert) + registry = bundleregistry.get_registry() + registry.install(bundle, force_downgrade=True) + _launch_bundle(bundle) + elif response_id is gtk.RESPONSE_CANCEL: + journalwindow.get_journal_window().remove_alert(alert) + + +def is_activity_bundle(metadata): + mime_type = metadata.get('mime_type', '') + return mime_type == ActivityBundle.MIME_TYPE or \ + mime_type == ActivityBundle.DEPRECATED_MIME_TYPE + + +def is_content_bundle(metadata): + return metadata.get('mime_type', '') == ContentBundle.MIME_TYPE + + +def is_journal_bundle(metadata): + return metadata.get('mime_type', '') == JournalEntryBundle.MIME_TYPE + + +def is_bundle(metadata): + return is_activity_bundle(metadata) or is_content_bundle(metadata) or \ + is_journal_bundle(metadata) + + +def get_icon_color(metadata): + if metadata is None or not 'icon-color' in metadata: + client = gconf.client_get_default() + return XoColor(client.get_string('/desktop/sugar/user/color')) + else: + return XoColor(metadata['icon-color']) |