class StationScreen(Screen):
""" Station Screen """
def __init__(self, listeners, util, voice_assistant, screen_mode=STATION):
""" Initializer
:param util: utility object
:param listener: screen menu event listener
"""
self.util = util
self.config = util.config
self.factory = Factory(util)
self.screen_mode = screen_mode
self.bounding_box = util.screen_rect
self.favorites_util = FavoritesUtil(self.util)
layout = BorderLayout(self.bounding_box)
k = self.bounding_box.w / self.bounding_box.h
percent_menu_width = (100.0 - PERCENT_TOP_HEIGHT -
PERCENT_BOTTOM_HEIGHT) / k
panel_width = (100.0 - percent_menu_width) / 2.0
layout.set_percent_constraints(PERCENT_TOP_HEIGHT,
PERCENT_BOTTOM_HEIGHT, panel_width,
panel_width)
Screen.__init__(self, util, "", PERCENT_TOP_HEIGHT, voice_assistant,
"station_screen_title", True, layout.TOP)
tmp = Menu(util, (0, 0, 0), self.bounding_box, None, None)
folders = self.util.get_stations_folders()
if folders:
panel_layout = BorderLayout(layout.RIGHT)
panel_layout.set_percent_constraints(PERCENT_SIDE_BOTTOM_HEIGHT,
PERCENT_SIDE_BOTTOM_HEIGHT, 0,
0)
self.genres = util.load_stations_folders(panel_layout.BOTTOM)
self.genres[
KEY_FAVORITES] = self.favorites_util.get_favorites_button_state(
panel_layout.BOTTOM)
current_genre_name = list(self.genres.keys())[0]
self.current_genre = self.genres[current_genre_name]
self.items_per_line = self.items_per_line(layout.CENTER.w)
items = []
if self.screen_mode == STATION:
k = STATIONS + "." + self.config[CURRENT][LANGUAGE]
try:
self.config[k]
self.current_genre = self.genres[self.config[k]
[CURRENT_STATIONS]]
except:
self.config[k] = {}
self.config[k][CURRENT_STATIONS] = self.current_genre.name
items = self.load_stations(
self.config[CURRENT][LANGUAGE], self.current_genre.name,
self.items_per_line * self.items_per_line)
elif self.screen_mode == STREAM:
items = util.load_streams(self.items_per_line *
self.items_per_line)
self.playlist = Page(items, self.items_per_line, self.items_per_line)
self.station_menu = StationMenu(self.playlist, util, screen_mode,
(0, 0, 0), layout.CENTER)
if self.station_menu.is_button_defined():
d = {"current_title": self.station_menu.button.state.l_name}
self.screen_title.set_text(d)
Container.add_component(self, self.station_menu)
self.stop_player = listeners[KEY_STOP]
self.create_left_panel(layout, listeners)
self.create_right_panel(layout, listeners)
self.home_button.add_release_listener(listeners[KEY_HOME])
if self.screen_mode == STATION:
self.genres_button.add_release_listener(listeners[KEY_GENRES])
self.shutdown_button.add_release_listener(
self.favorites_util.save_favorites)
self.shutdown_button.add_release_listener(listeners[KEY_SHUTDOWN])
self.left_button.add_release_listener(
self.station_menu.switch_to_previous_station)
self.left_button.add_release_listener(self.update_arrow_button_labels)
self.page_down_button.add_release_listener(
self.station_menu.switch_to_previous_page)
self.page_down_button.add_release_listener(
self.update_arrow_button_labels)
self.right_button.add_release_listener(
self.station_menu.switch_to_next_station)
self.right_button.add_release_listener(self.update_arrow_button_labels)
self.page_up_button.add_release_listener(
self.station_menu.switch_to_next_page)
self.page_up_button.add_release_listener(
self.update_arrow_button_labels)
self.station_menu.add_listener(listeners[KEY_PLAY])
self.station_menu.add_listener(self.screen_title.set_state)
self.station_menu.add_listener(self.update_arrow_button_labels)
self.station_menu.add_mode_listener(self.mode_listener)
self.volume = self.factory.create_volume_control(layout.BOTTOM)
self.volume.add_slide_listener(listeners[KEY_SET_VOLUME])
self.volume.add_slide_listener(listeners[KEY_SET_CONFIG_VOLUME])
self.volume.add_slide_listener(listeners[KEY_SET_SAVER_VOLUME])
self.volume.add_knob_listener(listeners[KEY_MUTE])
Container.add_component(self, self.volume)
self.player_screen = True
if self.current_genre.name == KEY_FAVORITES:
self.favorites_mode = True
else:
self.favorites_mode = False
self.favorites_util.set_favorites_in_config(self.items_per_line)
def load_stations(self, language, genre, stations_per_page):
""" Load stations for specified language and genre
:param language: the language
:param genre: the genre
:param stations_per_page: stations per page used to assign indexes
:return: list of button state objects. State contains station icons, index, genre, name etc.
"""
if genre == KEY_FAVORITES:
return self.favorites_util.get_favorites_playlist(
language, stations_per_page)
else:
return self.util.get_stations_playlist(language, genre,
stations_per_page)
def mode_listener(self, mode):
""" Station screen menu mode event listener
:param mode: menu mode
"""
if mode == self.station_menu.STATION_MODE:
self.left_button.set_visible(True)
self.right_button.set_visible(True)
self.page_down_button.set_visible(False)
self.page_up_button.set_visible(False)
self.left_button.clean_draw_update()
self.right_button.clean_draw_update()
else:
self.left_button.set_visible(False)
self.right_button.set_visible(False)
self.page_down_button.set_visible(True)
self.page_up_button.set_visible(True)
if self.playlist.total_pages == 1:
self.page_down_button.set_enabled(False)
self.page_up_button.set_enabled(False)
else:
self.page_down_button.set_enabled(True)
self.page_up_button.set_enabled(True)
self.page_down_button.clean_draw_update()
self.page_up_button.clean_draw_update()
def update_arrow_button_labels(self, state):
""" Update arrow buttons state
:param state: button state used for update
"""
if self.playlist.length == 0:
self.stop_player()
left = right = "0"
self.page_down_button.set_enabled(False)
self.page_up_button.set_enabled(False)
self.left_button.set_enabled(False)
self.right_button.set_enabled(False)
else:
left = str(self.station_menu.button.state.index)
right = str(self.playlist.length -
self.station_menu.button.state.index - 1)
self.page_down_button.set_enabled(True)
self.page_up_button.set_enabled(True)
self.left_button.set_enabled(True)
self.right_button.set_enabled(True)
self.left_button.change_label(left)
self.right_button.change_label(right)
self.page_down_button.change_label(left)
self.page_up_button.change_label(right)
def create_left_panel(self, layout, listeners):
""" Create Station Screen left panel. Include Shutdown button, Left button and Home button.
:param layout: left panel layout
:param listeners: event listeners
"""
panel_layout = BorderLayout(layout.LEFT)
panel_layout.set_percent_constraints(PERCENT_SIDE_BOTTOM_HEIGHT,
PERCENT_SIDE_BOTTOM_HEIGHT, 0, 0)
left = 0
if self.station_menu.is_button_defined():
left = self.station_menu.button.state.index
self.left_button = self.factory.create_left_button(
panel_layout.CENTER, str(left), 40, 100)
self.page_down_button = self.factory.create_page_down_button(
panel_layout.CENTER, str(left), 40, 100)
self.page_down_button.set_visible(False)
self.shutdown_button = self.factory.create_shutdown_button(
panel_layout.TOP)
self.home_button = self.factory.create_button(KEY_HOME,
KEY_HOME,
panel_layout.BOTTOM,
image_size_percent=36)
panel = Container(self.util, layout.LEFT)
panel.add_component(self.shutdown_button)
panel.add_component(self.left_button)
panel.add_component(self.page_down_button)
panel.add_component(self.home_button)
Container.add_component(self, panel)
def create_right_panel(self, layout, listeners):
""" Create Station Screen right panel. Include Genre button, right button and Play/Pause button
:param layout: right panel layout
:param listeners: event listeners
"""
panel_layout = BorderLayout(layout.RIGHT)
panel_layout.set_percent_constraints(PERCENT_SIDE_BOTTOM_HEIGHT,
PERCENT_SIDE_BOTTOM_HEIGHT, 0, 0)
if self.screen_mode == STATION:
self.genres_button = self.factory.create_genre_button(
panel_layout.BOTTOM, self.current_genre,
PERCENT_GENRE_IMAGE_AREA)
elif self.screen_mode == STREAM:
self.genres_button = self.factory.create_stream_button(
panel_layout.BOTTOM)
right = 0
if self.station_menu.is_button_defined():
right = self.playlist.length - self.station_menu.button.state.index - 1
self.right_button = self.factory.create_right_button(
panel_layout.CENTER, str(right), 40, 100)
self.page_up_button = self.factory.create_page_up_button(
panel_layout.CENTER, str(right), 40, 100)
self.page_up_button.set_visible(False)
self.play_button = self.factory.create_play_pause_button(
panel_layout.TOP, listeners[KEY_PLAY_PAUSE])
panel = Container(self.util, layout.RIGHT)
panel.add_component(self.genres_button)
panel.add_component(self.right_button)
panel.add_component(self.page_up_button)
panel.add_component(self.play_button)
Container.add_component(self, panel)
def set_genre_button_image(self, genre):
""" Set genre button image
:param genre: genre button
"""
if self.favorites_mode:
favorites_button_state = self.favorites_util.get_favorites_button_state(
self.genres_button.state.bounding_box)
self.genres_button.selected = False
self.genres_button.set_state(favorites_button_state)
else:
s = State()
s.__dict__ = genre.__dict__
s.bounding_box = self.genres_button.state.bounding_box
s.bgr = self.genres_button.bgr
s.show_label = False
s.keyboard_key = kbd_keys[KEY_MENU]
self.factory.scale_genre_button_image(s, PERCENT_GENRE_IMAGE_AREA)
self.genres_button.set_state(s)
def set_current(self, state=None):
""" Set current station by index defined in current playlist
:param state: button state (if any)
"""
items = []
current_language = self.config[CURRENT][LANGUAGE]
selected_genre = None
self.favorites_mode = False
if self.screen_mode == STATION:
key = STATIONS + "." + current_language
s1 = state != None and getattr(state, "source",
None) == KEY_FAVORITES
s2 = state == None and self.config[key][
CURRENT_STATIONS] == KEY_FAVORITES
if s1 or s2:
self.favorites_mode = True
self.config[key][CURRENT_STATIONS] = KEY_FAVORITES
try:
k = self.config[key][CURRENT_STATIONS]
selected_genre = self.genres[k]
self.store_previous_station(current_language)
except:
self.config[key] = {}
selected_genre = self.current_genre
genre = selected_genre.name
size = self.items_per_line * self.items_per_line
items = self.load_stations(current_language, genre, size)
elif self.screen_mode == STREAM:
items = self.util.load_streams(self.items_per_line *
self.items_per_line)
self.playlist = Page(items, self.items_per_line, self.items_per_line)
if self.playlist.length == 0:
return
self.station_menu.set_playlist(self.playlist)
if self.screen_mode == STATION:
self.station_menu.genre = selected_genre.name
previous_station_index = 0
try:
previous_station_index = self.config[
STATIONS + "." + current_language][selected_genre.name]
except KeyError:
pass
self.station_menu.set_station(previous_station_index)
self.station_menu.set_station_mode(None)
self.set_genre_button_image(selected_genre)
if self.favorites_mode:
self.current_genre = self.favorites_util.get_favorites_button_state(
self.genres_button.state.bounding_box)
else:
self.current_genre = selected_genre
elif self.screen_mode == STREAM:
previous_station_index = 0
try:
previous_station_index = self.config[CURRENT][STREAM]
except KeyError:
pass
self.station_menu.set_station(previous_station_index)
self.station_menu.set_station_mode(None)
self.config[CURRENT][STREAM] = previous_station_index
n = self.station_menu.get_current_station_name()
self.screen_title.set_text(n)
config_volume_level = int(self.config[PLAYER_SETTINGS][VOLUME])
if self.volume.get_position() != config_volume_level:
self.volume.set_position(config_volume_level)
self.volume.update_position()
def store_previous_station(self, lang):
""" Store previous station for the current language
:param lang: previous language
"""
k = STATIONS + "." + lang
try:
self.config[k]
except:
self.config[k] = {}
try:
i = self.station_menu.get_current_station_index()
self.config[k][self.current_genre.name] = i
except:
pass
def set_visible(self, flag):
""" Set visibility flag
:param flag: True - screen visible, False - screen invisible
"""
self.visible = flag
self.screen_title.set_visible(flag)
self.station_menu.set_visible(flag)
def enable_player_screen(self, flag):
""" Enable player screen
:param flag: enable/disable flag
"""
self.screen_title.active = flag
def add_screen_observers(self, update_observer, redraw_observer,
title_to_json):
""" Add screen observers
:param update_observer: observer for updating the screen
:param redraw_observer: observer to redraw the whole screen
"""
Screen.add_screen_observers(self, update_observer, redraw_observer,
title_to_json)
self.add_button_observers(self.shutdown_button,
update_observer,
redraw_observer=None)
self.shutdown_button.add_cancel_listener(redraw_observer)
self.screen_title.add_listener(title_to_json)
self.add_button_observers(self.play_button,
update_observer,
redraw_observer=None)
self.add_button_observers(self.home_button,
update_observer,
redraw_observer,
release=False)
self.add_button_observers(self.left_button,
update_observer,
redraw_observer,
release=False)
self.add_button_observers(self.right_button,
update_observer,
redraw_observer,
release=False)
self.add_button_observers(self.page_down_button, update_observer,
redraw_observer)
self.add_button_observers(self.page_up_button, update_observer,
redraw_observer)
self.volume.add_slide_listener(update_observer)
self.volume.add_knob_listener(update_observer)
self.volume.add_press_listener(update_observer)
self.volume.add_motion_listener(update_observer)
self.add_button_observers(self.genres_button,
update_observer,
redraw_observer,
release=False)
self.station_menu.add_listener(update_observer)
self.station_menu.add_change_logo_listener(redraw_observer)
class StationScreen(Screen):
""" Station Screen """
def __init__(self, listeners, util, voice_assistant, screen_mode=STATION):
""" Initializer
:param util: utility object
:param listener: screen menu event listener
"""
self.util = util
self.config = util.config
self.factory = Factory(util)
self.screen_mode = screen_mode
self.bounding_box = util.screen_rect
self.favorites_util = FavoritesUtil(self.util)
self.top_height = self.config[PLAYER_SCREEN][TOP_HEIGHT_PERCENT]
self.bottom_height = self.config[PLAYER_SCREEN][BOTTOM_HEIGHT_PERCENT]
self.button_height = self.config[PLAYER_SCREEN][BUTTON_HEIGHT_PERCENT]
self.popup_width = self.config[PLAYER_SCREEN][POPUP_WIDTH_PERCENT]
self.image_location = self.config[PLAYER_SCREEN][IMAGE_LOCATION]
self.layout = self.get_layout()
Screen.__init__(self, util, "", self.top_height, voice_assistant,
"station_screen_title", True, self.layout.TOP)
self.layout = self.get_layout()
folders = self.util.get_stations_folders()
if folders:
panel_layout = self.get_panel_layout(self.layout, LOCATION_RIGHT)
panel_layout.set_percent_constraints(self.button_height,
self.button_height, 0, 0)
self.genres = util.load_stations_folders(panel_layout.BOTTOM)
self.genres[
KEY_FAVORITES] = self.favorites_util.get_favorites_button_state(
panel_layout.BOTTOM)
current_genre_name = list(self.genres.keys())[0]
self.current_genre = self.genres[current_genre_name]
self.items_per_line = self.items_per_line(self.layout.CENTER.w)
items = []
if self.screen_mode == STATION:
k = STATIONS + "." + self.config[CURRENT][LANGUAGE]
try:
self.config[k]
self.current_genre = self.genres[self.config[k]
[CURRENT_STATIONS]]
except:
self.config[k] = {}
self.config[k][CURRENT_STATIONS] = self.current_genre.name
items = self.load_stations(
self.config[CURRENT][LANGUAGE], self.current_genre.name,
self.items_per_line * self.items_per_line)
elif self.screen_mode == STREAM:
items = util.load_streams(self.items_per_line *
self.items_per_line)
self.playlist = Page(items, self.items_per_line, self.items_per_line)
self.station_menu = StationMenu(
self.playlist, util, screen_mode,
self.config[BACKGROUND][SCREEN_BGR_COLOR], self.layout.CENTER)
if self.station_menu.is_button_defined():
d = {"current_title": self.station_menu.button.state.l_name}
self.screen_title.set_text(d)
Container.add_component(self, self.station_menu)
self.stop_player = listeners[KEY_STOP]
self.create_left_panel(self.layout, listeners)
self.create_right_panel(self.layout, listeners)
self.home_button.add_release_listener(listeners[KEY_HOME])
if self.screen_mode == STATION:
self.genres_button.add_release_listener(listeners[KEY_GENRES])
self.shutdown_button.add_release_listener(
self.favorites_util.save_favorites)
self.shutdown_button.add_release_listener(listeners[KEY_SHUTDOWN])
self.left_button.add_release_listener(
self.station_menu.switch_to_previous_station)
self.left_button.add_release_listener(self.update_arrow_button_labels)
self.page_down_button.add_release_listener(
self.station_menu.switch_to_previous_page)
self.page_down_button.add_release_listener(
self.update_arrow_button_labels)
self.right_button.add_release_listener(
self.station_menu.switch_to_next_station)
self.right_button.add_release_listener(self.update_arrow_button_labels)
self.page_up_button.add_release_listener(
self.station_menu.switch_to_next_page)
self.page_up_button.add_release_listener(
self.update_arrow_button_labels)
self.station_menu.add_listener(listeners[KEY_PLAY])
self.station_menu.add_listener(self.screen_title.set_state)
self.station_menu.add_listener(self.update_arrow_button_labels)
self.station_menu.add_mode_listener(self.mode_listener)
self.info_button = None
self.info_popup = None
self.start_screensaver = listeners[SCREENSAVER]
bottom_layout = BorderLayout(self.layout.BOTTOM)
bottom_layout.set_percent_constraints(0, 0, 0, self.popup_width)
volume_layout = bottom_layout.CENTER
volume_layout.w -= 2
volume_layout.x += 1
self.volume = self.factory.create_volume_control(volume_layout)
self.volume.add_slide_listener(listeners[KEY_SET_VOLUME])
self.volume.add_slide_listener(listeners[KEY_SET_CONFIG_VOLUME])
self.volume.add_slide_listener(listeners[KEY_SET_SAVER_VOLUME])
self.volume.add_knob_listener(listeners[KEY_MUTE])
self.add_component(self.volume)
self.player_screen = True
self.add_popup(bottom_layout.RIGHT)
if self.current_genre.name == KEY_FAVORITES:
self.favorites_mode = True
else:
self.favorites_mode = False
self.favorites_util.set_favorites_in_config(self.items_per_line)
self.animated_title = True
def get_layout(self):
""" Get the layout of the center area of the screen for image and buttons
:return: layout rectangle
"""
layout = BorderLayout(self.bounding_box)
k = self.bounding_box.w / self.bounding_box.h
percent_menu_width = (100.0 - self.top_height - self.bottom_height) / k
panel_width = (100.0 - percent_menu_width) / 2.0
if self.image_location == LOCATION_CENTER:
layout.set_percent_constraints(self.top_height, self.bottom_height,
panel_width, panel_width)
elif self.image_location == LOCATION_LEFT:
layout.set_percent_constraints(self.top_height, self.bottom_height,
0, panel_width * 2)
elif self.image_location == LOCATION_RIGHT:
layout.set_percent_constraints(self.top_height, self.bottom_height,
panel_width * 2, 0)
return layout
def get_panel_layout(self, layout, panel_location):
""" Get the layout of the panel for buttons
:param layout: layout of the whole central area
:param panel_location: panel location: left or right
:return: panel layout rectangle
"""
if self.image_location == LOCATION_CENTER:
if panel_location == LOCATION_LEFT:
return BorderLayout(layout.LEFT)
else:
return BorderLayout(layout.RIGHT)
elif self.image_location == LOCATION_LEFT:
r = layout.RIGHT
if panel_location == LOCATION_LEFT:
return BorderLayout(Rect(r.x, r.y, r.w / 2, r.h))
else:
return BorderLayout(
Rect(r.x + r.w / 2 + 1, r.y, r.w / 2 - 1, r.h))
elif self.image_location == LOCATION_RIGHT:
r = layout.LEFT
if panel_location == LOCATION_LEFT:
return BorderLayout(Rect(r.x, r.y, r.w / 2, r.h))
else:
return BorderLayout(
Rect(r.x + r.w / 2 + 1, r.y, r.w / 2 - 1, r.h))
def add_popup(self, bb):
""" Add info popup menu
:param bb: bounding box
"""
self.info_button = self.factory.create_info_button(
bb, self.handle_info_button)
self.info_popup = self.get_info_popup(self.bounding_box)
self.add_component(self.info_button)
self.add_component(self.info_popup)
def handle_info_button(self, state):
""" Handle info button
:param state: button state
"""
self.info_popup.set_visible(True)
self.clean_draw_update()
def get_info_popup(self, bb):
""" Create info popup menu
:param bb: bounding box
:return: popup menu
"""
items = []
items.append(CLOCK)
items.append(WEATHER)
items.append(LYRICS)
layout = BorderLayout(bb)
layout.set_percent_constraints(self.top_height, 0, 0, self.popup_width)
popup = Popup(items, self.util, layout.RIGHT, self.clean_draw_update,
self.handle_info_popup_selection)
self.right_button.add_label_listener(popup.update_popup)
return popup
def handle_info_popup_selection(self, state):
""" Handle info menu selection
:param state: button state
"""
if state.name == LYRICS:
a = None
try:
a = self.screen_title.text
except:
pass
if a != None:
s = State()
s.album = a
self.start_screensaver(state.name, s)
else:
self.start_screensaver(state.name)
else:
self.start_screensaver(state.name)
def load_stations(self, language, genre, stations_per_page):
""" Load stations for specified language and genre
:param language: the language
:param genre: the genre
:param stations_per_page: stations per page used to assign indexes
:return: list of button state objects. State contains station icons, index, genre, name etc.
"""
if genre == KEY_FAVORITES:
return self.favorites_util.get_favorites_playlist(
language, stations_per_page)
else:
return self.util.get_stations_playlist(language, genre,
stations_per_page)
def mode_listener(self, mode):
""" Station screen menu mode event listener
:param mode: menu mode
"""
if mode == self.station_menu.STATION_MODE:
self.left_button.set_visible(True)
self.right_button.set_visible(True)
self.page_down_button.set_visible(False)
self.page_up_button.set_visible(False)
self.left_button.clean_draw_update()
self.right_button.clean_draw_update()
else:
self.left_button.set_visible(False)
self.right_button.set_visible(False)
self.page_down_button.set_visible(True)
self.page_up_button.set_visible(True)
if self.playlist.total_pages == 1:
self.page_down_button.set_enabled(False)
self.page_up_button.set_enabled(False)
else:
self.page_down_button.set_enabled(True)
self.page_up_button.set_enabled(True)
self.page_down_button.clean_draw_update()
self.page_up_button.clean_draw_update()
def update_arrow_button_labels(self, state):
""" Update arrow buttons state
:param state: button state used for update
"""
if self.playlist.length == 0:
self.stop_player()
left = right = "0"
self.page_down_button.set_enabled(False)
self.page_up_button.set_enabled(False)
self.left_button.set_enabled(False)
self.right_button.set_enabled(False)
else:
left = str(self.station_menu.button.state.index)
right = str(self.playlist.length -
self.station_menu.button.state.index - 1)
self.page_down_button.set_enabled(True)
self.page_up_button.set_enabled(True)
self.left_button.set_enabled(True)
self.right_button.set_enabled(True)
self.left_button.change_label(left)
self.right_button.change_label(right)
self.page_down_button.change_label(left)
self.page_up_button.change_label(right)
def create_left_panel(self, layout, listeners):
""" Create Station Screen left panel. Include Shutdown button, Left button and Home button.
:param layout: left panel layout
:param listeners: event listeners
"""
panel_layout = self.get_panel_layout(layout, LOCATION_LEFT)
panel_layout.set_percent_constraints(self.button_height,
self.button_height, 0, 0)
left = 0
if self.station_menu.is_button_defined():
left = self.station_menu.button.state.index
self.left_button = self.factory.create_left_button(
panel_layout.CENTER, str(left), 40, 100)
self.page_down_button = self.factory.create_page_down_button(
panel_layout.CENTER, str(left), 40, 100)
self.page_down_button.set_visible(False)
panel_layout.TOP.y += 1
panel_layout.TOP.h -= 2
self.shutdown_button = self.factory.create_shutdown_button(
panel_layout.TOP)
panel_layout.BOTTOM.h += 1
self.home_button = self.factory.create_button(KEY_HOME,
KEY_HOME,
panel_layout.BOTTOM,
image_size_percent=36)
self.shutdown_button.parent_screen = self
self.home_button.parent_screen = self
self.left_button.parent_screen = self
self.page_down_button.parent_screen = self
panel = Container(self.util, layout.LEFT)
panel.add_component(self.shutdown_button)
panel.add_component(self.left_button)
panel.add_component(self.page_down_button)
panel.add_component(self.home_button)
Container.add_component(self, panel)
def create_right_panel(self, layout, listeners):
""" Create Station Screen right panel. Include Genre button, right button and Play/Pause button
:param layout: right panel layout
:param listeners: event listeners
"""
panel_layout = self.get_panel_layout(layout, LOCATION_RIGHT)
panel_layout.set_percent_constraints(self.button_height,
self.button_height, 0, 0)
panel_layout.BOTTOM.h += 1
if self.screen_mode == STATION:
self.genres_button = self.factory.create_genre_button(
panel_layout.BOTTOM, self.current_genre,
PERCENT_GENRE_IMAGE_AREA)
elif self.screen_mode == STREAM:
self.genres_button = self.factory.create_stream_button(
panel_layout.BOTTOM)
right = 0
if self.station_menu.is_button_defined():
right = self.playlist.length - self.station_menu.button.state.index - 1
self.right_button = self.factory.create_right_button(
panel_layout.CENTER, str(right), 40, 100)
self.page_up_button = self.factory.create_page_up_button(
panel_layout.CENTER, str(right), 40, 100)
self.page_up_button.set_visible(False)
panel_layout.TOP.y += 1
panel_layout.TOP.h -= 2
self.play_button = self.factory.create_play_pause_button(
panel_layout.TOP, listeners[KEY_PLAY_PAUSE])
self.genres_button.parent_screen = self
self.right_button.parent_screen = self
self.page_up_button.parent_screen = self
self.play_button.parent_screen = self
panel = Container(self.util, layout.RIGHT)
panel.add_component(self.genres_button)
panel.add_component(self.right_button)
panel.add_component(self.page_up_button)
panel.add_component(self.play_button)
Container.add_component(self, panel)
def set_genre_button_image(self, genre):
""" Set genre button image
:param genre: genre button
"""
if self.favorites_mode:
favorites_button_state = self.favorites_util.get_favorites_button_state(
self.genres_button.state.bounding_box)
self.genres_button.selected = False
self.genres_button.set_state(favorites_button_state)
else:
s = State()
s.__dict__ = genre.__dict__
s.bounding_box = self.genres_button.state.bounding_box
s.bgr = self.genres_button.bgr
s.show_label = False
s.keyboard_key = kbd_keys[KEY_MENU]
self.factory.scale_genre_button_image(s, PERCENT_GENRE_IMAGE_AREA)
self.genres_button.set_state(s)
def set_current(self, state=None):
""" Set current station by index defined in current playlist
:param state: button state (if any)
"""
items = []
current_language = self.config[CURRENT][LANGUAGE]
selected_genre = None
self.favorites_mode = False
self.sync_state()
if self.screen_mode == STATION:
key = STATIONS + "." + current_language
s1 = state != None and getattr(state, "source",
None) == KEY_FAVORITES
s2 = state == None and self.config[key][
CURRENT_STATIONS] == KEY_FAVORITES
if s1 or s2:
self.favorites_mode = True
self.config[key][CURRENT_STATIONS] = KEY_FAVORITES
try:
k = self.config[key][CURRENT_STATIONS]
selected_genre = self.genres[k]
self.store_previous_station(current_language)
except:
self.config[key] = {}
selected_genre = self.current_genre
genre = selected_genre.name
size = self.items_per_line * self.items_per_line
items = self.load_stations(current_language, genre, size)
elif self.screen_mode == STREAM:
items = self.util.load_streams(self.items_per_line *
self.items_per_line)
self.playlist = Page(items, self.items_per_line, self.items_per_line)
if self.playlist.length == 0:
return
self.station_menu.set_playlist(self.playlist)
if self.screen_mode == STATION:
self.station_menu.genre = selected_genre.name
previous_station_index = 0
try:
previous_station_index = self.config[
STATIONS + "." + current_language][selected_genre.name]
except KeyError:
pass
src = getattr(state, "source", None)
change_mode = getattr(state, "change_mode", False)
n = change_mode or (src != KEY_HOME and src != GO_PLAYER
and src != KEY_BACK)
self.station_menu.set_station(previous_station_index, notify=n)
self.station_menu.set_station_mode(None)
self.set_genre_button_image(selected_genre)
if self.favorites_mode:
self.current_genre = self.favorites_util.get_favorites_button_state(
self.genres_button.state.bounding_box)
else:
self.current_genre = selected_genre
elif self.screen_mode == STREAM:
previous_station_index = 0
try:
previous_station_index = self.config[CURRENT][STREAM]
except KeyError:
pass
self.station_menu.set_station(previous_station_index)
self.station_menu.set_station_mode(None)
self.config[CURRENT][STREAM] = previous_station_index
n = self.station_menu.get_current_station_name()
self.screen_title.set_text(n)
config_volume_level = int(self.config[PLAYER_SETTINGS][VOLUME])
if self.volume.get_position() != config_volume_level:
self.volume.set_position(config_volume_level)
self.volume.update_position()
def sync_state(self):
# play-pause button
if self.config[PLAYER_SETTINGS][PAUSE]:
new_state = "play"
else:
new_state = "pause"
states = self.play_button.states
index = 0
for i, s in enumerate(states):
if s.name == new_state:
index = i
break
self.play_button.draw_state(index)
# mute button
if self.config[PLAYER_SETTINGS][MUTE]:
self.volume.selected = False
else:
self.volume.selected = True
self.volume.handle_knob_selection(False)
def store_previous_station(self, lang):
""" Store previous station for the current language
:param lang: previous language
"""
k = STATIONS + "." + lang
try:
self.config[k]
except:
self.config[k] = {}
try:
i = self.station_menu.get_current_station_index()
self.config[k][self.current_genre.name] = i
except:
pass
def set_visible(self, flag):
""" Set visibility flag
:param flag: True - screen visible, False - screen invisible
"""
self.visible = flag
self.screen_title.set_visible(flag)
self.station_menu.set_visible(flag)
def enable_player_screen(self, flag):
""" Enable player screen
:param flag: enable/disable flag
"""
self.screen_title.active = flag
def add_screen_observers(self, update_observer, redraw_observer,
title_to_json):
""" Add screen observers
:param update_observer: observer for updating the screen
:param redraw_observer: observer to redraw the whole screen
"""
Screen.add_screen_observers(self, update_observer, redraw_observer,
title_to_json)
self.add_button_observers(self.shutdown_button,
update_observer,
redraw_observer=None)
self.shutdown_button.add_cancel_listener(redraw_observer)
self.screen_title.add_listener(title_to_json)
self.add_button_observers(self.play_button,
update_observer,
redraw_observer=None)
self.add_button_observers(self.home_button,
update_observer,
redraw_observer,
release=False)
self.add_button_observers(self.info_button, update_observer,
redraw_observer)
self.info_popup.add_menu_observers(update_observer, redraw_observer)
self.add_button_observers(self.left_button,
update_observer,
redraw_observer,
release=False)
self.add_button_observers(self.right_button,
update_observer,
redraw_observer,
release=False)
self.add_button_observers(self.page_down_button, update_observer,
redraw_observer)
self.add_button_observers(self.page_up_button, update_observer,
redraw_observer)
self.volume.add_slide_listener(update_observer)
self.volume.add_knob_listener(update_observer)
self.volume.add_press_listener(update_observer)
self.volume.add_motion_listener(update_observer)
self.add_button_observers(self.genres_button,
update_observer,
redraw_observer,
release=False)
self.station_menu.add_listener(update_observer)
self.station_menu.add_change_logo_listener(redraw_observer)