# and shares most application behaviour with the channel modules.
class StreamTunerTwo(gtk.Builder):

    # object containers
    widgets = {}     # non-glade widgets (any manually instantiated ones)
    channels = {}    # channel modules
    features = {}    # non-channel plugins
    working = []     # threads
    hooks = {
        "play": [],  # observers queue here
        "record": [],
        "init": [],
        "quit": [action.cleanup_tmp_files],
        "config_load": [],
        "config_save": [],

    # Custom-named widgets are available from .widgets{} not via .get_widget()
    def get_widget(self, name):
        if name in self.widgets:
            return self.widgets[name]
        else:
            return gtk.Builder.get_object(self, name)










            
    # Returns the currently selected directory/channel object (remembered position)
    def channel(self):
        return self.channels[self.current_channel]

    # List of module titles for channel tabs
    @property

            
    # Play button
    def on_play_clicked(self, widget, event=None, *args):
        self.status("Starting player...")
        channel = self.channel()
        pixstore = [channel._ls, channel._pix_entry, channel.rowno()]
        row = channel.play()
        self.status("")
        [callback(row, pixstore=pixstore) for callback in self.hooks["play"]]

    # Recording: invoke streamripper for current stream URL
    def on_record_clicked(self, widget):
        self.status("Recording station...")

            log.UI("dblclick")
            url = self.channel().meta.get("url", "https://duckduckgo.com/?q=" + self.channel().module)
            action.browser(url)

    # Reload stream list in current channel-category
    def on_reload_clicked(self, widget=None, reload=1):
        log.UI("on_reload_clicked()", "reload=", reload, "current_channel=", self.current_channel, "c=", self.channels[self.current_channel], "cat=", self.channel().current)
        category = self.channel().current
        self.thread(
                       #@TODO: should get a wrapper, for HTTP errors, and optionalize bookamrks
            lambda: (  self.channel().load(category,reload), reload and self.bookmarks.heuristic_update(self.current_channel,category)  )
        )

    # Thread a function, add to worker pool (for utilizing stop button)
    def thread(self, target, *args, **kwargs):
        if conf.nothreads:
            return target(*args, **kwargs)
        thread = Thread(target=target, args=args, kwargs=kwargs)
        thread.start()
        self.working.append(thread)


    # Click in category list
    def on_category_clicked(self, widget, event, *more):
        category = self.channel().currentcat()
        log.UI("on_category_clicked", category, self.current_channel)
        self.on_reload_clicked(None, reload=0)
        pass

    # Add current selection to bookmark store
    def bookmark(self, widget):
        self.bookmarks.add(self.row())
        self.channel().row_icon(gtk.STOCK_ABOUT)
        # refresh bookmarks tab
        self.bookmarks.load(self.bookmarks.default)

    # Reload category tree
    def update_categories(self, widget):
        Thread(target=self.channel().reload_categories).start()

    # Menu invocation: refresh favicons for all stations in current streams category
    def update_favicons(self, widget):
        if "favicon" in self.features:
            ch = self.channel()
            self.features["favicon"].update_all(entries=ch.stations(), pixstore=[ch._ls, ch._pix_entry, None])

    # Save stream to file (.m3u)
    def save_as(self, widget):
        row = self.row()
        default_fn = row["title"] + ".m3u"
        fn = uikit.save_file("Save Stream", None, default_fn, [(".m3u","*m3u"),(".pls","*pls"),(".xspf","*xspf"),(".jspf","*jspf"),(".smil","*smil"),(".asx","*asx"),("all files","*")])
        if fn: