#    This file is part of Recently Used Desklet
#
#    Recently Used Desklet 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.

#    Recently Used Desklet 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 Recently Used Desklet; if not, write to the Free
#    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
#    02111-1307  USA

from xml.sax import saxutils
from RecentFile import RecentFile

import string
import os

class RecentParser(saxutils.DefaultHandler):

    __COLLECTION = "RecentFiles"
    __ITEM = "RecentItem"
    __URI = "URI"
    __MIME_TYPE = "Mime-Type"
    __TIMESTAMP = "Timestamp"
    __GROUPS = "Groups"
    __GROUP = "Group"

    def __init__(self, theme):

        self.__recent_files = []

        self.__buffer = ""

        self.__theme = theme

        self.__recent_file = None
        
    def startElement(self, name, attrs):
        if name == self.__ITEM:
            self.__recent_file = RecentFile(self.__theme)
        self.__buffer = ""


    def endElement(self, name):
        if name == self.__ITEM:
            ## Double check that the file is still there
            if (  self.__recent_file and
                  os.path.exists( self.__recent_file.get_local_file_path() ) ):
                self.__recent_files.append(self.__recent_file)

            self.__recent_file = None
        elif name == self.__URI:
            self.__recent_file.set_uri(self.__buffer)
        elif name == self.__MIME_TYPE:
            self.__recent_file.set_mime_type(self.__buffer)
        elif name == self.__TIMESTAMP:
            self.__recent_file.set_timestamp(int(self.__buffer))            
        elif name == self.__GROUP:
            self.__recent_file.set_group_name(self.__buffer)
                        
        self.__buffer = ""
                        
                        
    def characters(self, ch):
        self.__buffer = self.__buffer + ch
            

    def get_recent_files(self):
        return self.__recent_files