79 lines
2.9 KiB
Python
79 lines
2.9 KiB
Python
# Copyright (C) 2007, Red Hat, Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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import dbus
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import dbus.service
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from gettext import gettext as _
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_REGISTRY_IFACE = "org.laptop.ObjectTypeRegistry"
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_REGISTRY_PATH = "/org/laptop/ObjectTypeRegistry"
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class ObjectTypeRegistry(dbus.service.Object):
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def __init__(self):
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bus = dbus.SessionBus()
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bus_name = dbus.service.BusName(_REGISTRY_IFACE, bus=bus)
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dbus.service.Object.__init__(self, bus_name, _REGISTRY_PATH)
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self._types = {}
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self._add_primitive('Text', _('Text'), 'theme:text',
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[ 'text/plain', 'text/rtf', 'application/pdf',
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'application/x-pdf', 'text/html',
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'application/vnd.oasis.opendocument.text',
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'application/rtf', 'text/rtf' ])
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self._add_primitive('Image', _('Image'), 'theme:image',
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[ 'image/png', 'image/gif', 'image/jpeg' ])
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self._add_primitive('Audio', _('Audio'), 'theme:audio', [ 'audio/ogg' ])
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self._add_primitive('Video', _('Video'), 'theme:video', [ 'video/ogg' ])
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def _add_primitive(self, type_id, name, icon, mime_types):
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object_type = {'type_id': type_id,
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'name': name,
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'icon': icon,
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'mime_types': mime_types}
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self._types[type_id] = object_type
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def _get_type_for_mime(self, mime_type):
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for object_type in self._types.values():
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if mime_type in object_type['mime_types']:
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return object_type
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@dbus.service.method(_REGISTRY_IFACE,
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in_signature="s", out_signature="a{sv}")
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def GetType(self, type_id):
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if self._types.has_key(type_id):
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return self._types[type_id]
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else:
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return {}
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@dbus.service.method(_REGISTRY_IFACE,
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in_signature="s", out_signature="a{sv}")
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def GetTypeForMIME(self, mime_type):
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object_type = self._get_type_for_mime(mime_type)
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if object_type:
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return object_type
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else:
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return {}
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_instance = None
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def get_instance():
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global _instance
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if not _instance:
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_instance = ObjectTypeRegistry()
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return _instance
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