# This represents the main window, dispatches Gtk events,
# and shares most application behaviour with the channel modules.
class StreamTunerTwo(gtk.Builder):

    # object containers
    widgets = {}     # non-glade widgets (the manually instantiated ones)
    channels = {}    # channel modules
    features = {}    # non-channel plugins
    working = []     # threads
    hooks = {
        "play": [favicon.download_playing],  # observers queue here

        "init": [],
        "config_load": [],
        "config_save": [],
    }
    meta = plugin_meta()

        self.notebook_channels.set_current_page(self.channel_names.index(name))

    # Mirror selected channel tab into main window title
    def update_title(self):
        self.win_streamtuner2.set_title("Streamtuner2 - %s" % self.channel().meta.get("title"))


    # Convert ListStore iter to row number
    def rowno(self):
        (model, iter) = self.model_iter()
        return model.get_path(iter)[0]

    # Currently selected entry in stations list, return complete data dict
    def row(self):
        return self.channel().stations() [self.rowno()]

        
    # return ListStore object and Iterator for currently selected row in gtk.TreeView station list
    def model_iter(self):
        return self.channel().gtk_list.get_selection().get_selected()
        
    # Fetches a single varname from currently selected station entry
    def selected(self, name="url"):
        return self.row().get(name)


            
    # Play button
    def on_play_clicked(self, widget, event=None, *args):

        row = self.row()
        if row:
            self.channel().play(row)
            [callback(row) for callback in self.hooks["play"]]

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

        row = self.row()
        action.record(row.get("url"), row.get("format", "audio/mpeg"), "url/direct", row=row)


    # Open stream homepage in web browser
    def on_homepage_stream_clicked(self, widget):
        url = self.selected("homepage")
        if url and len(url): action.browser(url)
        else: self.status("No homepage URL present.")

        __print__(dbg.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())
        # code to update current list (set icon just in on-screen liststore, it would be updated with next display() anyhow - and there's no need to invalidate the ls cache, because that's referenced by model anyhow)
        try:
            (model,iter) = self.model_iter()
            model.set_value(iter, 0, gtk.STOCK_ABOUT)
        except:
            pass
        # 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):
        entries = self.channel().stations()
        favicon.download_all(entries)

    # 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:
            source = row.get("listformat", self.channel().listformat)
            dest = (re.findall("\.(m3u|pls|xspf|jspf|json|smil|asx|wpl)8?$", fn) or ["pls"])[0]
            action.save_playlist(source=source, multiply=True).store(rows=[row], fn=fn, dest=dest)
        pass

    # Save current stream URL into clipboard
    def menu_copy(self, w):
        gtk.clipboard_get().set_text(self.selected("url"))

    # Remove a stream entry
    def delete_entry(self, w):
        n = self.rowno()

        del self.channel().stations()[ n ]
        self.channel().switch()
        self.channel().save()

    # Alternative Notebook channel tabs between TOP and LEFT position
    def switch_notebook_tabs_position(self, w, pos):
        self.notebook_channels.set_tab_pos(pos);