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#!/usr/bin/python3
import gi
gi.require_version('Gtk', '3.0')
gi.require_version('XApp', '1.0')
from gi.repository import Gio, GLib, GObject, Gtk, XApp, Pango
import sys
import signal

signal.signal(signal.SIGINT, signal.SIG_DFL)


DBUS_NAME = "org.x.StatusIcon"
DBUS_PATH = "/org/x/StatusIcon"

class ListItem(Gtk.ListBoxRow):
    def __init__(self, favinfo, mgr):
        super(Gtk.ListBoxRow, self).__init__()
        self.favinfo = favinfo
        self.mgr = mgr

        self.box = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL)
        self.add(self.box)

        label = Gtk.Label(label=self.favinfo.display_name, xalign=0)
        self.box.pack_start(label, False, False, 6)

        delete = Gtk.Button.new_from_icon_name("edit-delete-symbolic", Gtk.IconSize.BUTTON)
        delete.set_relief(Gtk.ReliefStyle.NONE)
        self.box.pack_end(delete, False, False, 6)
        delete.connect("clicked", self.on_delete_clicked)

        self.show_all()

    def on_delete_clicked(self, widget, data=None):
        self.mgr.remove(self.favinfo.uri)

class FavoriteList(GObject.Object):

    def __init__(self):
        super(FavoriteList, self).__init__()
        self.window = None
        self.manager = XApp.Favorites.get_default()
        self.manager.connect("changed", self.on_manager_changed)

        self.window = Gtk.Window()
        self.window.set_default_size(600, 400)
        self.window.connect("destroy", self.on_window_destroy)
        self.window_box = Gtk.Box(orientation=Gtk.Orientation.VERTICAL)
        self.main_box = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL,
                                margin=6,
                                spacing=0)

        bar = Gtk.MenuBar()
        menu_item = Gtk.MenuItem.new_with_label("Favorites")
        favorites = self.manager.create_menu(None, self.favorite_menu_item_activated)
        menu_item.set_submenu(favorites)
        bar.append(menu_item)

        self.window_box.pack_start(bar, False, False, 0)
        self.window_box.pack_start(self.main_box, True, True, 0)

        # list stuff
        sw_frame = Gtk.Frame()
        sw = Gtk.ScrolledWindow(hadjustment=None, vadjustment=None)
        sw_frame.add(sw)

        self.list_box = Gtk.ListBox(activate_on_single_click=False)
        self.list_box.connect("selected-rows-changed", self.on_selection_changed)
        self.list_box.connect("row-activated", self.on_row_activated)
        sw.add(self.list_box)

        self.main_box.pack_start(sw_frame, True, True, 6)
        self.window.add(self.window_box)

        # controls

        control_box = Gtk.Box(orientation=Gtk.Orientation.VERTICAL)
        self.add_button = Gtk.Button.new_from_icon_name("list-add-symbolic", Gtk.IconSize.BUTTON)
        self.add_button.connect("clicked", self.on_add_clicked)

        control_box.pack_start(self.add_button, False, False, 6)

        self.main_box.pack_start(control_box, False, False, 6)

        self.window.show_all()

        self.selected_uri = None
        self.loading = False

        self.load_favorites()

    def favorite_menu_item_activated(self, manager, uri, data=None):
        print("activated", uri)
        self.manager.launch(uri, Gtk.get_current_event_time())

    def load_favorites(self):
        self.loading = True # this will preserve the last selection

        for child in self.list_box.get_children():
            self.list_box.remove(child)

        previously_selected = None

        favorites = self.manager.get_favorites(None)

        for info in favorites:
            row = ListItem(info, self.manager)

            self.list_box.insert(row, -1)

            if self.selected_uri == info.uri:
                previously_selected = row

        self.loading = False

        if previously_selected:
            self.list_box.select_row(previously_selected)

    def on_row_activated(self, box, row, data=None):
        self.manager.launch(row.favinfo.uri, Gtk.get_current_event_time())

    def on_selection_changed(self, box, data=None):
        if self.loading:
            return

        row = self.list_box.get_selected_row()

        if row:
            self.selected_uri = row.favinfo.uri
        else:
            self.selected_uri = None

    def on_add_clicked(self, widget, data=None):
        dialog = Gtk.FileChooserDialog(title="Add file to favorites",
                                       parent=self.window,
                                       action=Gtk.FileChooserAction.OPEN)

        dialog.add_buttons("Add", Gtk.ResponseType.OK,
                           "Cancel", Gtk.ResponseType.CANCEL)

        # dialog.add_shortcut_folder_uri ("favorites:///")

        res = dialog.run()
        if res == Gtk.ResponseType.OK:
            uri = dialog.get_uri()

            self.manager.add(uri)

        dialog.destroy()

    def on_manager_changed(self, manager, data=None):
        self.load_favorites()

    def on_window_destroy(self, widget, data=None):
        Gtk.main_quit()

if __name__ == '__main__':
    test = FavoriteList()
    Gtk.main()