306 lines
7.6 KiB
Python
306 lines
7.6 KiB
Python
import logging
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from gettext import gettext as _
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import urlparse
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import posixpath
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class FileType:
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def __init__(self, formats):
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self._formats = formats
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def get_name(self):
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raise NotImplementedError
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def get_icon(self):
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raise NotImplementedError
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def get_preview(self):
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raise NotImplementedError
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def get_activity(self):
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raise NotImplementedError
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def matches_mime_type(cls, mime_type):
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raise NotImplementedError
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matches_mime_type = classmethod(matches_mime_type)
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class TextFileType(FileType):
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_types = set(['text/plain', 'UTF8_STRING', 'STRING'])
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def get_name(self):
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return _('Text snippet')
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def get_icon(self):
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return 'theme:object-text'
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def get_preview(self):
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for format, data in self._formats.iteritems():
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if format in TextFileType._types:
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text = data.get_data()
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if len(text) < 50:
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return text
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else:
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return text[0:49] + "..."
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return ''
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def get_activity(self):
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return 'org.laptop.AbiWordActivity'
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def matches_mime_type(cls, mime_type):
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return mime_type in cls._types
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matches_mime_type = classmethod(matches_mime_type)
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class ImageFileType(FileType):
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_types = set(['image/jpeg', 'image/gif', 'image/png', 'image/tiff'])
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def get_name(self):
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return _('Image')
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def get_icon(self):
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return 'theme:object-image'
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def get_preview(self):
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return ''
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def get_activity(self):
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return ''
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def matches_mime_type(cls, mime_type):
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return mime_type in cls._types
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matches_mime_type = classmethod(matches_mime_type)
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class UriFileType(FileType):
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_types = set(['_NETSCAPE_URL'])
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def get_name(self):
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return _('Web Page')
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def get_icon(self):
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return 'theme:object-link'
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def get_preview(self):
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for format, data in self._formats.iteritems():
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if format in UriFileType._types:
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string = data.get_data()
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title = string.split("\n")[1]
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return title
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return ''
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def get_activity(self):
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return ''
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def matches_mime_type(cls, mime_type):
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return mime_type in cls._types
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matches_mime_type = classmethod(matches_mime_type)
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class PdfFileType(FileType):
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_types = set(['application/pdf', 'application/x-pdf'])
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def get_name(self):
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return _('PDF file')
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def get_icon(self):
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return 'theme:object-text'
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def get_preview(self):
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return ''
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def get_activity(self):
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return 'org.laptop.sugar.Xbook'
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def matches_mime_type(cls, mime_type):
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return mime_type in cls._types
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matches_mime_type = classmethod(matches_mime_type)
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class MsWordFileType(FileType):
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_types = set(['application/msword'])
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def get_name(self):
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return _('MS Word file')
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def get_icon(self):
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return 'theme:object-text'
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def get_preview(self):
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return ''
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def get_activity(self):
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return 'org.laptop.AbiWordActivity'
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def matches_mime_type(cls, mime_type):
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return mime_type in cls._types
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matches_mime_type = classmethod(matches_mime_type)
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class RtfFileType(TextFileType):
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_types = set(['application/rtf', 'text/rtf'])
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def get_name(self):
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return _('RTF file')
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def matches_mime_type(cls, mime_type):
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return mime_type in cls._types
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matches_mime_type = classmethod(matches_mime_type)
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class AbiwordFileType(TextFileType):
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_types = set(['application/x-abiword'])
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def get_name(self):
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return _('Abiword file')
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def matches_mime_type(cls, mime_type):
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return mime_type in cls._types
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matches_mime_type = classmethod(matches_mime_type)
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class SqueakProjectFileType(FileType):
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_types = set(['application/x-squeak-project'])
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def get_name(self):
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return _('Squeak project')
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def get_icon(self):
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return 'theme:object-squeak-project'
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def get_preview(self):
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return ''
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def get_activity(self):
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return 'org.vpri.EtoysActivity'
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def matches_mime_type(cls, mime_type):
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return mime_type in cls._types
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matches_mime_type = classmethod(matches_mime_type)
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class OOTextFileType(FileType):
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_types = set(['application/vnd.oasis.opendocument.text'])
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def get_name(self):
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return _('OpenOffice text file')
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def get_icon(self):
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return 'theme:object-text'
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def get_preview(self):
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return ''
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def get_activity(self):
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return 'org.laptop.AbiWordActivity'
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def matches_mime_type(cls, mime_type):
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return mime_type in cls._types
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matches_mime_type = classmethod(matches_mime_type)
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class UriListFileType(FileType):
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_types = set(['text/uri-list'])
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def _is_image(self):
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uris = self._formats['text/uri-list'].get_data().split('\n')
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if len(uris) == 1:
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uri = urlparse.urlparse(uris[0])
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ext = posixpath.splitext(uri.path)[1]
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logging.debug(ext)
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# FIXME: Bad hack, the type registry should treat text/uri-list as a special case.
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if ext in ['.jpg', '.jpeg', '.gif', '.png', '.svg']:
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return True
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return False
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def get_name(self):
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if self._is_image():
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return _('Image')
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else:
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return _('File')
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def get_icon(self):
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if self._is_image():
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return 'theme:object-image'
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else:
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return 'theme:stock-missing'
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def get_preview(self):
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return ''
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def get_activity(self):
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return ''
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def matches_mime_type(cls, mime_type):
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return mime_type in cls._types
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matches_mime_type = classmethod(matches_mime_type)
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class XoFileType(FileType):
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_types = set(['application/vnd.olpc-x-sugar'])
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def get_name(self):
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return _('Activity package')
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def get_icon(self):
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return 'theme:stock-missing'
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def get_preview(self):
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return ''
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def get_activity(self):
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return ''
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def matches_mime_type(cls, mime_type):
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return mime_type in cls._types
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matches_mime_type = classmethod(matches_mime_type)
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class UnknownFileType(FileType):
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def get_name(self):
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return _('Object')
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def get_icon(self):
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return 'theme:stock-missing'
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def get_preview(self):
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return ''
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def get_activity(self):
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return ''
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def matches_mime_type(cls, mime_type):
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return true
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matches_mime_type = classmethod(matches_mime_type)
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class TypeRegistry:
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def __init__(self):
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self._types = []
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self._types.append(PdfFileType)
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self._types.append(MsWordFileType)
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self._types.append(RtfFileType)
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self._types.append(OOTextFileType)
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self._types.append(UriListFileType)
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self._types.append(UriFileType)
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self._types.append(ImageFileType)
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self._types.append(AbiwordFileType)
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self._types.append(TextFileType)
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self._types.append(SqueakProjectFileType)
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self._types.append(XoFileType)
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def get_type(self, formats):
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for file_type in self._types:
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for format, data in formats.iteritems():
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if file_type.matches_mime_type(format):
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return file_type(formats)
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return UnknownFileType(formats)
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_type_registry = None
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def get_instance():
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global _type_registry
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if not _type_registry:
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_type_registry = TypeRegistry()
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return _type_registry
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