## soundcardBackendKudzu.py - Contains the backend code needed for system-config-soundcard
## Copyright (C) 2002, 2003 Red Hat, Inc.
## Copyright (C) 2002, 2003 Brent Fox <bfox@redhat.com>
## Copyright (C) 2004, 2005 Bastien Nocera <hadess@hadess.net>

## 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., 675 Mass Ave, Cambridge, MA 02139, USA.

import string
import os
import sys

import soundcardBackendSoundCard

##
## I18N
##
from rhpl.translate import _, N_
import rhpl.translate as translate
translate.textdomain ("system-config-soundcard")

class soundcardBackendProc:
    def __init__(self):    
        self.doDebug = True        
        
    def destroy(self, args):
        return

    # ------------------------------------------------------------------------
    # Probe routines
    # ------------------------------------------------------------------------
    def read_driver_list(self):
        try:
            fd = open('/proc/asound/modules', 'r')
            list = fd.readlines()
            fd.close()
        except:
            return []

        drivers = []
        for line in list:
            tmp = line.split()
            drivers.append([int(tmp[0]), string.replace(tmp[1],'_','-')])
    
        return drivers

    def find_driver(self, list, position):
        for rec in list:
            if rec[0] == position:
                return rec[1]

        return _("Unknown")

    def probeCards(self, default_card, default_device, card_list, card_max):
    
        driverList = self.read_driver_list()
        try: 
            fd = open('/proc/asound/cards', 'r')
            lines = fd.readlines()
	except:
            return card_list
 
        fd.close()

        index = 0
        while index+1 < len(lines):
            name = string.strip(lines[index])
            desc = string.strip(lines[index+1])
            index = index + 2
            
            name_list = string.split(name,"[")
            
            card = soundcardBackendSoundCard.soundCard(int(name_list[0]))
            card.active = True                        
            desc_list = string.split(desc," at ")
            card.model = desc_list[0]

            card.type = string.strip(string.split(name_list[1],"]")[0])
            card.maker = None

            # find card driver
            card.driver = self.find_driver(driverList, card.index)

            card.device_list = card.loadCardDevices()
            
            if card.index < card_max :
                card_list[card.index] = card
        
        card_list[default_card].default_device = default_device

        return card_list