Python pop_next.NextPopover类代码示例

    def __init__(self, app):
        Gtk.Bin.__init__(self)
        self._pop_next = NextPopover()
        builder = Gtk.Builder()
        builder.add_from_resource('/org/gnome/Lollypop/ToolbarEnd.ui')
        builder.connect_signals(self)

        self.add(builder.get_object('end'))

        self._shuffle_btn = builder.get_object('shuffle-button')
        self._shuffle_btn_image = builder.get_object('shuffle-button-image')
        self._set_shuffle_icon()
        Lp.settings.connect('changed::shuffle', self._shuffle_btn_aspect)

        self._party_btn = builder.get_object('party-button')
        party_action = Gio.SimpleAction.new('party', None)
        party_action.connect('activate', self._activate_party_button)
        app.add_action(party_action)
        app.set_accels_for_action("app.party", ["<Control>p"])

        search_button = builder.get_object('search-button')
        self._search = SearchWidget(self)
        self._search.set_relative_to(search_button)
        searchAction = Gio.SimpleAction.new('search', None)
        searchAction.connect('activate', self._on_search_btn_clicked)
        app.add_action(searchAction)
        app.set_accels_for_action("app.search", ["<Control>f"])

        queue_button = builder.get_object('queue-button')
        self._queue = QueueWidget()
        self._queue.set_relative_to(queue_button)

        self._settings_button = builder.get_object('settings-button')

        Lp.player.connect('party-changed', self._on_party_changed)

    def __init__(self, app, parent):
        """
            Init window and set transient for parent
            @param app as Gio.Application
            @param parent as Gtk.window
        """
        Gtk.Window.__init__(self)
        self.set_title("Lollypop")
        PlaybackController.__init__(self)
        ProgressController.__init__(self)
        self.set_application(app)
        self._timeout1 = None
        self._timeout2 = None
        self._seeking = False
        self._signal1_id = None
        self._signal2_id = None
        self.set_decorated(False)
        self._parent = parent

        builder = Gtk.Builder()
        builder.add_from_resource('/org/gnome/Lollypop/FullScreen.ui')
        builder.connect_signals(self)

        # Calculate cover size
        screen = Gdk.Screen.get_default()
        monitor = screen.get_primary_monitor()
        geometry = screen.get_monitor_geometry(monitor)
        # We want 500 and 200 in full hd
        scale = self.get_scale_factor()
        if geometry.width > geometry.height:
            artsize = int(ArtSize.FULLSCREEN*geometry.width/1920/scale)
        else:
            artsize = int(ArtSize.FULLSCREEN*geometry.height/1920/scale)
        InfosController.__init__(self, artsize)

        self._play_btn = builder.get_object('play_btn')
        self._next_btn = builder.get_object('next_btn')
        self._prev_btn = builder.get_object('prev_btn')
        self._next_popover = NextPopover()
        self._next_popover.set_position(Gtk.PositionType.BOTTOM)
        self._play_image = builder.get_object('play_image')
        self._pause_image = builder.get_object('pause_image')
        close_btn = builder.get_object('close_btn')
        close_btn.connect('clicked', self._destroy)
        self._cover = builder.get_object('cover')
        self._title_label = builder.get_object('title')
        self._artist_label = builder.get_object('artist')
        self._album_label = builder.get_object('album')

        self._datetime = builder.get_object('datetime')

        self._progress = builder.get_object('progress_scale')
        self._timelabel = builder.get_object('playback')
        self._total_time_label = builder.get_object('duration')
        self.connect('key-release-event', self._on_key_release_event)
        self.add(builder.get_object('widget'))

    def __init__(self, app):
        """
            Init toolbar
            @param app as Gtk.Application
        """
        Gtk.Bin.__init__(self)
        self.connect('show', self._on_show)
        self.connect('hide', self._on_hide)
        self._next_popover = NextPopover()
        self._search = None
        self._next_was_inhibited = False
        builder = Gtk.Builder()
        builder.add_from_resource('/org/gnome/Lollypop/ToolbarEnd.ui')
        builder.connect_signals(self)

        self.add(builder.get_object('end'))

        self._grid_next = builder.get_object('grid-next')

        self._shuffle_button = builder.get_object('shuffle-button')
        self._shuffle_image = builder.get_object('shuffle-button-image')
        shuffleAction = Gio.SimpleAction.new('shuffle-button', None)
        shuffleAction.connect('activate', self._activate_shuffle_button)
        app.add_action(shuffleAction)
        app.set_accels_for_action("app.shuffle-button", ["<Control>r"])
        Lp().settings.connect('changed::shuffle', self._on_shuffle_changed)

        self._party_button = builder.get_object('party-button')
        party_action = Gio.SimpleAction.new('party', None)
        party_action.connect('activate', self._activate_party_button)
        app.add_action(party_action)
        app.set_accels_for_action("app.party", ["<Control>p"])

        self._search_button = builder.get_object('search-button')
        search_action = Gio.SimpleAction.new('search', None)
        search_action.connect('activate', self._on_search_button_clicked)
        app.add_action(search_action)
        app.set_accels_for_action("app.search", ["<Control>f"])

        self._settings_button = builder.get_object('settings-button')

        self._list_button = builder.get_object('list-button')
        self._list_button.set_property('has-tooltip', True)
        self._list_button.connect('query-tooltip',
                                  self._on_list_button_query_tooltip)
        list_action = Gio.SimpleAction.new('list', None)
        list_action.connect('activate', self._on_list_button_clicked)
        app.add_action(list_action)
        app.set_accels_for_action("app.list", ["<Control>i"])
        self._list_popover = None
        Lp().player.connect('party-changed', self._on_party_changed)
        Lp().player.connect('state-changed', self._on_lock_changed)

    def __init__(self, app):
        """
            Init toolbar
            @param app as Gtk.Application
        """
        Gtk.Bin.__init__(self)
        self.connect('show', self._on_show)
        self.connect('hide', self._on_hide)
        self._pop_next = NextPopover()
        self._queue = None
        self._search = None
        self._timeout_id = None
        builder = Gtk.Builder()
        builder.add_from_resource('/org/gnome/Lollypop/ToolbarEnd.ui')
        builder.connect_signals(self)

        self.add(builder.get_object('end'))

        self._grid_next = builder.get_object('grid-next')

        self._shuffle_button = builder.get_object('shuffle-button')
        self._shuffle_image = builder.get_object('shuffle-button-image')
        shuffleAction = Gio.SimpleAction.new('shuffle-button', None)
        shuffleAction.connect('activate', self._activate_shuffle_button)
        app.add_action(shuffleAction)
        app.set_accels_for_action("app.shuffle-button", ["<Control>r"])
        Lp().settings.connect('changed::shuffle', self._on_shuffle_changed)

        self._party_button = builder.get_object('party-button')
        party_action = Gio.SimpleAction.new('party', None)
        party_action.connect('activate', self._activate_party_button)
        app.add_action(party_action)
        app.set_accels_for_action("app.party", ["<Control>p"])

        self._search_button = builder.get_object('search-button')
        searchAction = Gio.SimpleAction.new('search', None)
        searchAction.connect('activate', self._on_search_button_clicked)
        app.add_action(searchAction)
        app.set_accels_for_action("app.search", ["<Control>f"])

        self._queue_button = builder.get_object('queue-button')
        queueAction = Gio.SimpleAction.new('queue', None)
        queueAction.connect('activate', self._on_queue_button_clicked)
        app.add_action(queueAction)
        app.set_accels_for_action("app.queue", ["<Control>l"])

        self._settings_button = builder.get_object('settings-button')

        Lp().player.connect('party-changed', self._on_party_changed)
        Lp().player.connect('queue-changed', self._on_queue_changed)

    def __init__(self, app, parent):
        """
            Init window and set transient for parent
            @param app as Gio.Application
            @param parent as Gtk.window
        """
        Gtk.Window.__init__(self)
        self.set_application(app)
        self._timeout1 = None
        self._timeout2 = None
        self._seeking = False
        self._signal1_id = None
        self._signal2_id = None
        self.set_decorated(False)
        builder = Gtk.Builder()
        builder.add_from_resource('/org/gnome/Lollypop/FullScreen.ui')
        main_widget = builder.get_object('fs')
        self.add(main_widget)
        self._prev_btn = builder.get_object('prev_btn')
        self._prev_btn.connect('clicked', self._on_prev_btn_clicked)
        self._play_btn = builder.get_object('play_btn')
        self._play_btn.connect('clicked', self._on_play_btn_clicked)
        self._next_btn = builder.get_object('next_btn')
        self._next_btn.connect('clicked', self._on_next_btn_clicked)
        self._next_popover = NextPopover()
        self._next_popover.set_position(Gtk.PositionType.BOTTOM)
        self._play_image = builder.get_object('play_image')
        self._pause_image = builder.get_object('pause_image')
        close_btn = builder.get_object('close_btn')
        close_btn.connect('clicked', self._destroy)
        self._cover = builder.get_object('cover')
        self._title = builder.get_object('title')
        self._artist = builder.get_object('artist')
        self._album = builder.get_object('album')

        self._datetime = builder.get_object('datetime')

        self._progress = builder.get_object('progress_scale')
        self._progress.connect('button-release-event',
                               self._on_progress_release_button)
        self._progress.connect('button-press-event',
                               self._on_progress_press_button)
        self._timelabel = builder.get_object('playback')
        self._total_time_label = builder.get_object('duration')
        self.connect('key-release-event', self._on_key_release_event)

    def __init__(self, app):
        """
            Init toolbar
            @param app as Gtk.Application
        """
        Gtk.Bin.__init__(self)
        self._pop_next = NextPopover()
        builder = Gtk.Builder()
        builder.add_from_resource("/org/gnome/Lollypop/ToolbarEnd.ui")
        builder.connect_signals(self)

        self.add(builder.get_object("end"))

        self._shuffle_btn = builder.get_object("shuffle-button")
        self._shuffle_btn_image = builder.get_object("shuffle-button-image")
        Lp.settings.connect("changed::shuffle", self._shuffle_btn_aspect)

        self._party_btn = builder.get_object("party-button")
        party_action = Gio.SimpleAction.new("party", None)
        party_action.connect("activate", self._activate_party_button)
        app.add_action(party_action)
        app.set_accels_for_action("app.party", ["<Control>p"])

        search_button = builder.get_object("search-button")
        self._search = SearchPopover(self)
        self._search.set_relative_to(search_button)
        searchAction = Gio.SimpleAction.new("search", None)
        searchAction.connect("activate", self._on_search_btn_clicked)
        app.add_action(searchAction)
        app.set_accels_for_action("app.search", ["<Control>f"])

        queue_button = builder.get_object("queue-button")
        self._queue = QueueWidget()
        self._queue.set_relative_to(queue_button)

        self._settings_button = builder.get_object("settings-button")

        Lp.player.connect("party-changed", self._on_party_changed)

class FullScreen(Gtk.Window, InfosController,
                 PlaybackController, ProgressController):
    """
        Show a fullscreen window showing current track context
    """

    def __init__(self, app, parent):
        """
            Init window and set transient for parent
            @param app as Gio.Application
            @param parent as Gtk.window
        """
        Gtk.Window.__init__(self)
        PlaybackController.__init__(self)
        ProgressController.__init__(self)
        self.set_application(app)
        self._timeout1 = None
        self._timeout2 = None
        self._seeking = False
        self._signal1_id = None
        self._signal2_id = None
        self.set_decorated(False)
        builder = Gtk.Builder()
        builder.add_from_resource('/org/gnome/Lollypop/FullScreen.ui')
        builder.connect_signals(self)

        # Calculate cover size
        screen = Gdk.Screen.get_default()
        monitor = screen.get_primary_monitor()
        geometry = screen.get_monitor_geometry(monitor)
        # We want 500 and 200 in full hd
        if geometry.width > geometry.height:
            artsize = int(ArtSize.MONSTER*geometry.width/1920)
        else:
            artsize = int(ArtSize.MONSTER*geometry.height/1920)
        InfosController.__init__(self, artsize)

        self._play_btn = builder.get_object('play_btn')
        self._next_btn = builder.get_object('next_btn')
        self._prev_btn = builder.get_object('prev_btn')
        self._next_popover = NextPopover()
        self._next_popover.set_position(Gtk.PositionType.BOTTOM)
        self._play_image = builder.get_object('play_image')
        self._pause_image = builder.get_object('pause_image')
        close_btn = builder.get_object('close_btn')
        close_btn.connect('clicked', self._destroy)
        self._cover = builder.get_object('cover')
        self._cover_frame = builder.get_object('frame')
        self._title_label = builder.get_object('title')
        self._artist_label = builder.get_object('artist')
        self._album_label = builder.get_object('album')

        self._datetime = builder.get_object('datetime')

        self._progress = builder.get_object('progress_scale')
        self._timelabel = builder.get_object('playback')
        self._total_time_label = builder.get_object('duration')
        self.connect('key-release-event', self._on_key_release_event)
        self.add(builder.get_object('widget'))

    def do_show(self):
        """
            Init signals, set color and go party mode if nothing is playing
        """
        self._signal1_id = Lp().player.connect('current-changed',
                                               self.on_current_changed)
        self._signal2_id = Lp().player.connect('status-changed',
                                               self.on_status_changed)
        if Lp().player.current_track.id is None:
            Lp().player.set_party(True)
        else:
            self.on_status_changed(Lp().player)
            self.on_current_changed(Lp().player)
        if self._timeout1 is None:
            self._timeout1 = GLib.timeout_add(1000, self._update_position)
        Gtk.Window.do_show(self)
        now = datetime.now()
        self._datetime.set_label(now.strftime('%a %d %b, %X')[:-3])
        if self._timeout2 is None:
            second = datetime.now().second
            if 60 - second > 0:
                GLib.timeout_add((60-second)*1000, self._update_datetime)
            else:
                self._timeout2 = GLib.timeout_add(60000, self._update_datetime)
        self._update_position()
        self.fullscreen()
        self._next_popover.set_relative_to(self._album_label)
        if Lp().player.next_track.id != Type.RADIOS:
            self._next_popover.show()

    def do_hide(self):
        """
            Remove signals and unset color
        """
        Gtk.Window.do_hide(self)
        if self._signal1_id is not None:
            Lp().player.disconnect(self._signal1_id)
            self._signal1_id = None
        if self._signal2_id is not None:
            Lp().player.disconnect(self._signal2_id)
#.........这里部分代码省略.........

class FullScreen(Gtk.Window):
    """
        Show a fullscreen window showing current track context
    """

    def __init__(self, app, parent):
        """
            Init window and set transient for parent
            @param app as Gio.Application
            @param parent as Gtk.window
        """
        Gtk.Window.__init__(self)
        self.set_application(app)
        self._timeout1 = None
        self._timeout2 = None
        self._seeking = False
        self._signal1_id = None
        self._signal2_id = None
        self.set_decorated(False)
        builder = Gtk.Builder()
        builder.add_from_resource('/org/gnome/Lollypop/FullScreen.ui')
        builder.connect_signals(self)

        # Calculate cover size
        screen = Gdk.Screen.get_default()
        monitor = screen.get_primary_monitor()
        geometry = screen.get_monitor_geometry(monitor)
        # We want 500 and 200 in full hd
        if geometry.width > geometry.height:
            self._artsize = int(ArtSize.MONSTER*geometry.width/1920)
        else:
            self._artsize = int(ArtSize.MONSTER*geometry.height/1920)

        self._play_btn = builder.get_object('play_btn')
        self._next_btn = builder.get_object('next_btn')
        self._prev_btn = builder.get_object('prev_btn')
        self._next_popover = NextPopover()
        self._next_popover.set_position(Gtk.PositionType.BOTTOM)
        self._play_image = builder.get_object('play_image')
        self._pause_image = builder.get_object('pause_image')
        close_btn = builder.get_object('close_btn')
        close_btn.connect('clicked', self._destroy)
        self._cover = builder.get_object('cover')
        self._title = builder.get_object('title')
        self._artist = builder.get_object('artist')
        self._album = builder.get_object('album')

        self._datetime = builder.get_object('datetime')

        self._progress = builder.get_object('progress_scale')
        self._timelabel = builder.get_object('playback')
        self._total_time_label = builder.get_object('duration')
        self.connect('key-release-event', self._on_key_release_event)
        self.add(builder.get_object('widget'))

    def do_show(self):
        """
            Init signals, set color and go party mode if nothing is playing
        """
        is_playing = Lp().player.is_playing()
        self._signal1_id = Lp().player.connect('current-changed',
                                               self._on_current_changed)
        self._signal2_id = Lp().player.connect('status-changed',
                                               self._on_status_changed)
        if Lp().player.current_track is None:
            Lp().player.set_party(True)
        else:
            if is_playing:
                self._change_play_btn_status(self._pause_image, _('Pause'))
            else:
                self._on_status_changed(Lp().player)
            self._on_current_changed(Lp().player)
        if self._timeout1 is None:
            self._timeout1 = GLib.timeout_add(1000, self._update_position)
        Gtk.Window.do_show(self)
        now = datetime.now()
        self._datetime.set_label(now.strftime('%a %d %b, %X')[:-3])
        if self._timeout2 is None:
            second = datetime.now().second
            if 60 - second > 0:
                GLib.timeout_add((60-second)*1000, self._update_datetime)
            else:
                self._timeout2 = GLib.timeout_add(60000, self._update_datetime)
        self._update_position()
        self.fullscreen()
        self._next_popover.set_relative_to(self._album)
        if Lp().player.next_track.id != Type.RADIOS:
            self._next_popover.show()

    def do_hide(self):
        """
            Remove signals and unset color
        """
        Gtk.Window.do_hide(self)
        if self._signal1_id is not None:
            Lp().player.disconnect(self._signal1_id)
            self._signal1_id = None
        if self._signal2_id is not None:
            Lp().player.disconnect(self._signal2_id)
            self._signal2_id = None
#.........这里部分代码省略.........

class ToolbarEnd(Gtk.Bin):
    """
        Toolbar end
    """

    def __init__(self, app):
        """
            Init toolbar
            @param app as Gtk.Application
        """
        Gtk.Bin.__init__(self)
        self._pop_next = NextPopover()
        builder = Gtk.Builder()
        builder.add_from_resource('/org/gnome/Lollypop/ToolbarEnd.ui')
        builder.connect_signals(self)

        self.add(builder.get_object('end'))

        self._shuffle_btn = builder.get_object('shuffle-button')
        self._shuffle_btn_image = builder.get_object('shuffle-button-image')
        Lp().settings.connect('changed::shuffle', self._shuffle_btn_aspect)

        self._party_btn = builder.get_object('party-button')
        party_action = Gio.SimpleAction.new('party', None)
        party_action.connect('activate', self._activate_party_button)
        app.add_action(party_action)
        app.set_accels_for_action("app.party", ["<Control>p"])

        search_button = builder.get_object('search-button')
        self._search = SearchPopover(self)
        self._search.set_relative_to(search_button)
        searchAction = Gio.SimpleAction.new('search', None)
        searchAction.connect('activate', self._on_search_btn_clicked)
        app.add_action(searchAction)
        app.set_accels_for_action("app.search", ["<Control>f"])

        self._queue_button = builder.get_object('queue-button')

        self._settings_button = builder.get_object('settings-button')

        Lp().player.connect('party-changed', self._on_party_changed)

    def setup_menu_btn(self, menu):
        """
            Add an application menu to menu button
            @parma: menu as Gio.Menu
        """
        self._settings_button.show()
        self._settings_button.set_menu_model(menu)

    def on_status_changed(self, player):
        """
            Update buttons on status changed
            @param player as Player
        """
        if player.is_playing():
            # Party mode can be activated
            # via Fullscreen class, so check button state
            self._party_btn.set_active(player.is_party())

    def do_realize(self):
        """
            Show popover if needed
        """
        Gtk.Bin.do_realize(self)
        self._set_shuffle_icon()

    def on_next_changed(self, player):
        """
            Update buttons on current changed
            @param player as Player
        """
        # Do not show next popover non internal tracks as
        # tags will be readed on the fly
        if player.next_track.id is not None and\
           player.next_track.id >= 0 and\
           player.is_playing() and\
            (player.is_party() or
             Lp().settings.get_enum('shuffle') == Shuffle.TRACKS):
            self._pop_next.update()
            self._pop_next.set_relative_to(self)
            self._pop_next.show()
        else:
            self._pop_next.hide()

#######################
# PRIVATE             #
#######################
    def _set_shuffle_icon(self):
        """
            Set shuffle icon
        """
        shuffle = Lp().settings.get_enum('shuffle')
        if shuffle == Shuffle.NONE:
            self._shuffle_btn_image.get_style_context().remove_class(
                                                                    'selected')
            self._shuffle_btn_image.set_from_icon_name(
                "media-playlist-consecutive-symbolic",
                Gtk.IconSize.SMALL_TOOLBAR)
        else:
#.........这里部分代码省略.........

class ToolbarEnd(Gtk.Bin):
    """
        Toolbar end
    """

    def __init__(self, app):
        """
            Init toolbar
            @param app as Gtk.Application
        """
        Gtk.Bin.__init__(self)
        self.connect('show', self._on_show)
        self.connect('hide', self._on_hide)
        self._next_popover = NextPopover()
        self._search = None
        self._next_was_inhibited = False
        builder = Gtk.Builder()
        builder.add_from_resource('/org/gnome/Lollypop/ToolbarEnd.ui')
        builder.connect_signals(self)

        self.add(builder.get_object('end'))

        self._grid_next = builder.get_object('grid-next')

        self._shuffle_button = builder.get_object('shuffle-button')
        self._shuffle_image = builder.get_object('shuffle-button-image')
        shuffleAction = Gio.SimpleAction.new('shuffle-button', None)
        shuffleAction.connect('activate', self._activate_shuffle_button)
        app.add_action(shuffleAction)
        app.set_accels_for_action("app.shuffle-button", ["<Control>r"])
        Lp().settings.connect('changed::shuffle', self._on_shuffle_changed)

        self._party_button = builder.get_object('party-button')
        party_action = Gio.SimpleAction.new('party', None)
        party_action.connect('activate', self._activate_party_button)
        app.add_action(party_action)
        app.set_accels_for_action("app.party", ["<Control>p"])

        self._search_button = builder.get_object('search-button')
        search_action = Gio.SimpleAction.new('search', None)
        search_action.connect('activate', self._on_search_button_clicked)
        app.add_action(search_action)
        app.set_accels_for_action("app.search", ["<Control>f"])

        self._settings_button = builder.get_object('settings-button')

        self._list_button = builder.get_object('list-button')
        self._list_button.set_property('has-tooltip', True)
        self._list_button.connect('query-tooltip',
                                  self._on_list_button_query_tooltip)
        list_action = Gio.SimpleAction.new('list', None)
        list_action.connect('activate', self._on_list_button_clicked)
        app.add_action(list_action)
        app.set_accels_for_action("app.list", ["<Control>i"])
        self._list_popover = None
        Lp().player.connect('party-changed', self._on_party_changed)
        Lp().player.connect('state-changed', self._on_lock_changed)

    def setup_menu(self, menu):
        """
            Add an application menu to menu button
            @parma: menu as Gio.Menu
        """
        self._settings_button.show()
        self._settings_button.set_menu_model(menu)

    def on_status_changed(self, player):
        """
            Update buttons on status changed
            @param player as Player
        """
        if player.is_playing():
            # Party mode can be activated
            # via Fullscreen class, so check button state
            self._party_button.set_active(player.is_party())

    def on_next_changed(self, player, force=False):
        """
            Show next popover
            @param player as Player
            @param force to show the popover
        """
        # Do not show popover is this menu is active
        # or if we are hidden
        if self._shuffle_button.get_active() or\
           not self._grid_next.is_visible():
            return
        if self._next_popover.should_be_shown() or force:
            if self._next_popover.is_visible():
                self._next_popover.update()
            else:
                self._next_popover.set_relative_to(self._grid_next)
                self._next_popover.show()
        else:
            self._next_popover.hide()

#######################
# PRIVATE             #
#######################
    def _on_lock_changed(self, player):
#.........这里部分代码省略.........

 def _on_party_changed(self, player, is_party):
     # GTK fail to change colors on popover, so destroy it
     self._pop_next.destroy()
     self._pop_next = NextPopover()
     if self._party_btn.get_active() != is_party:
         self._activate_party_button()

class ToolbarEnd(Gtk.Bin):
    """
        Toolbar end
    """

    def __init__(self, app):
        """
            Init toolbar
            @param app as Gtk.Application
        """
        Gtk.Bin.__init__(self)
        self.connect('show', self._on_show)
        self.connect('hide', self._on_hide)
        self._pop_next = NextPopover()
        self._queue = None
        self._search = None
        self._timeout_id = None
        builder = Gtk.Builder()
        builder.add_from_resource('/org/gnome/Lollypop/ToolbarEnd.ui')
        builder.connect_signals(self)

        self.add(builder.get_object('end'))

        self._grid_next = builder.get_object('grid-next')

        self._shuffle_button = builder.get_object('shuffle-button')
        self._shuffle_image = builder.get_object('shuffle-button-image')
        shuffleAction = Gio.SimpleAction.new('shuffle-button', None)
        shuffleAction.connect('activate', self._activate_shuffle_button)
        app.add_action(shuffleAction)
        app.set_accels_for_action("app.shuffle-button", ["<Control>r"])
        Lp().settings.connect('changed::shuffle', self._on_shuffle_changed)

        self._party_button = builder.get_object('party-button')
        party_action = Gio.SimpleAction.new('party', None)
        party_action.connect('activate', self._activate_party_button)
        app.add_action(party_action)
        app.set_accels_for_action("app.party", ["<Control>p"])

        self._search_button = builder.get_object('search-button')
        searchAction = Gio.SimpleAction.new('search', None)
        searchAction.connect('activate', self._on_search_button_clicked)
        app.add_action(searchAction)
        app.set_accels_for_action("app.search", ["<Control>f"])

        self._queue_button = builder.get_object('queue-button')
        queueAction = Gio.SimpleAction.new('queue', None)
        queueAction.connect('activate', self._on_queue_button_clicked)
        app.add_action(queueAction)
        app.set_accels_for_action("app.queue", ["<Control>l"])

        self._settings_button = builder.get_object('settings-button')

        Lp().player.connect('party-changed', self._on_party_changed)
        Lp().player.connect('queue-changed', self._on_queue_changed)

    def setup_menu(self, menu):
        """
            Add an application menu to menu button
            @parma: menu as Gio.Menu
        """
        self._settings_button.show()
        self._settings_button.set_menu_model(menu)

    def on_status_changed(self, player):
        """
            Update buttons on status changed
            @param player as Player
        """
        if player.is_playing():
            # Party mode can be activated
            # via Fullscreen class, so check button state
            self._party_button.set_active(player.is_party())

    def on_next_changed(self, player, force=False):
        """
            Show next popover
            @param player as Player
            @param force to show the popover
        """
        # Do not show popover is this menu is active
        # or if we are hidden
        if self._shuffle_button.get_active() or\
           not self._grid_next.is_visible():
            return
        self._timeout_id = None
        if self._pop_next.should_be_shown() or force:
            self._pop_next.update()
            if not self._pop_next.is_visible():
                self._pop_next.set_relative_to(self._grid_next)
                self._pop_next.show()
        else:
            self._pop_next.hide()

#######################
# PRIVATE             #
#######################
    def _on_button_press(self, button, event):
        """
            Show next popover on long press
#.........这里部分代码省略.........