#!/usr/bin/env python
# encoding: UTF-8
# api: python
# type: application
# title: streamtuner2
# description: directory browser for internet radio / audio streams
# depends: gtk, pygtk, xml.dom.minidom, threading, lxml, pyquery, kronos
# version: 2.0.9.6
# author: mario salzer
# license: public domain
# url: http://freshmeat.net/projects/streamtuner2
# config: <env name="http_proxy" value="" description="proxy for HTTP access" />  <env name="XDG_CONFIG_HOME" description="relocates user .config subdirectory" />
# category: multimedia
# 
#

# standard modules
import sys
import os, os.path
import re
import copy
import urllib

# threading or processing module
try:
    from processing import Process as Thread
except:
    from threading import Thread
    Thread.stop = lambda self: None

# add library path
sys.path.insert(0, "/usr/share/streamtuner2")   # pre-defined directory for modules
sys.path.insert(0, ".")   # pre-defined directory for modules

# gtk modules
from mygtk import pygtk, gtk, gobject, ui_file, mygtk, ver as GTK_VER

# custom modules
from config import conf   # initializes itself, so all conf.vars are available right away
from config import __print__, dbg
import ahttp
import action  # needs workaround... (action.main=main)
from channels import *
import favicon
#from pq import pq



# this represents the main window
# and also contains most application behaviour
main = None
class StreamTunerTwo(gtk.Builder):

# right click in streams/stations TreeView
def station_context_menu(treeview, event):
            # right-click ?
            if event.button >= 3:
                path = treeview.get_path_at_pos(int(event.x), int(event.y))[0]
                treeview.grab_focus()
                treeview.set_cursor(path, None, False)
                if GTK_VER == 2:
                    main.streamactions.popup(None, None, None, event.button, event.time)
                else:

                    main.streamactions.popup(None, None, None, None, event.button, event.time)


                return None
            # we need to pass on to normal left-button signal handler
            else:
                return False
# this works better as callback function than as class - because of False/Object result for event trigger

        def hide(self, *args):
            self.win_config.hide()
            return True

        
        # set/load values between gtk window and conf. dict
        def apply(self, config, prefix="config_", save=0):
            for key,val in config.iteritems():
                # map non-alphanumeric chars from config{} to underscores in according gtk widget names
                id = re.sub("[^\w]", "_", key)
                w = main.get_widget(prefix + id)
                __print__(dbg.CONF, "config", ("save" if save else "load"), prefix+id, w, val)
                # recurse into dictionaries, transform: conf.play.audio/mp3 => conf.play_audio_mp3
                if (type(val) == dict):
                    self.apply(val, prefix + id + "_", save)

        # add configuration setting definitions from plugins
        once = 0
        def add_plugins(self):
            if self.once:
                return

            for name,enabled in conf.plugins.iteritems():

                # add plugin load entry
                if name:
                    label = ("enable ⎗ %s channel" if self.channels.get(name) else "use ⎗ %s plugin")
                    cb =  gtk.ToggleButton(label=label % name)
                    self.add_( "config_plugins_"+name, cb )#, label=None, color="#ddd" )

            # First we'll generate a list of current bookmark stream urls, and then
            # remove all but those from the currently UPDATED_channel + category.
            # This step is most likely redundant, but prevents accidently re-rewriting
            # stations that are in two channels (=duplicates with different PLS urls).
            check = {"http//": "[row]"}
            check = dict((row["url"],row) for row in fav)
            # walk through all channels/streams
            for chname,channel in main.channels.iteritems():
                for cat,streams in channel.streams.iteritems():

                    # keep the potentially changed rows
                    if (chname == updated_channel) and (cat == updated_category):
                        freshened_streams = streams

                    # remove unchanged urls/rows
                    else: