class PodcastEpisodesScreen(MenuScreen):
""" Podcast Episodes Screen """
def __init__(self, util, listeners, voice_assistant, state):
""" Initializer
:param util: utility object
:param listeners: file browser listeners
:param voice_assistant: voice assistant
:param state: button state
"""
self.util = util
self.config = util.config
self.podcasts_util = util.get_podcasts_util()
self.listeners = listeners
self.factory = Factory(util)
self.bounding_box = util.screen_rect
self.layout = BorderLayout(self.bounding_box)
self.layout.set_percent_constraints(PERCENT_TOP_HEIGHT,
PERCENT_BOTTOM_HEIGHT, 0, 0)
d = [MENU_ROWS_EPISODES, MENU_COLUMNS_EPISODES]
MenuScreen.__init__(self,
util,
listeners,
MENU_ROWS_EPISODES,
MENU_COLUMNS_EPISODES,
voice_assistant,
d,
self.turn_page,
page_in_title=False)
if hasattr(state, "podcast_url"):
podcast_url = state.podcast_url
self.title = self.podcasts_util.summary_cache[podcast_url].name
else:
self.title = state.name
m = self.factory.create_episode_menu_button
self.episodes_menu = MultiPageMenu(util,
self.next_page,
self.previous_page,
self.set_title,
self.reset_title,
self.go_to_page,
m,
MENU_ROWS_EPISODES,
MENU_COLUMNS_EPISODES,
None, (0, 0, 0),
self.menu_layout,
align=ALIGN_MIDDLE)
self.set_menu(self.episodes_menu)
self.total_pages = PAGE_SIZE_EPISODES * 2
self.episodes = []
self.navigator = EpisodeNavigator(
self.util, self.layout.BOTTOM, listeners,
self.config[COLORS][COLOR_DARK_LIGHT], self.total_pages)
self.components.append(self.navigator)
self.current_page = 1
self.save_episode_listeners = []
def set_current(self, state):
""" Set current state
:param state: button state
"""
if not self.util.connected_to_internet and len(
self.episodes) == 0 and not hasattr(state, "url"):
return
if state.name == KEY_BACK or (getattr(state, "source",
None) == FILE_BUTTON
and len(self.episodes) != 0):
self.episodes_menu.clean_draw_update()
return
if getattr(state, "podcast_url", None) != None:
self.episodes = self.podcasts_util.get_episodes(state.podcast_url)
if len(self.episodes) != 0:
self.total_pages = math.ceil(
len(self.episodes) / PAGE_SIZE_EPISODES)
self.turn_page(state)
return
self.set_loading(self.title)
if state.name != self.title or len(self.episodes) == 0:
self.title = state.name
if self.util.connected_to_internet:
self.episodes = self.podcasts_util.get_episodes(state.url)
else:
self.episodes = self.podcasts_util.get_episodes_from_disk(
state.url)
self.total_pages = math.ceil(len(self.episodes) / PAGE_SIZE_EPISODES)
self.turn_page(state)
self.reset_loading()
def turn_page(self, state=None):
""" Turn screen page
:param state: button state
"""
filelist = Page(self.episodes, MENU_ROWS_EPISODES,
MENU_COLUMNS_EPISODES)
if state == None:
filelist.current_page_index = self.current_page - 1
index = filelist.current_page_index * PAGE_SIZE_EPISODES
else:
if getattr(state, "status", None) == STATUS_LOADED:
if hasattr(state, "original_url") and len(
state.original_url.strip()) > 0:
filelist.set_current_item_by_url(state.original_url)
else:
filelist.set_current_item_by_file_name(state.file_name)
else:
filelist.set_current_item_by_url(state.url)
index = filelist.current_item_index
self.current_page = filelist.current_page_index + 1
page = filelist.get_current_page()
d = self.episodes_menu.make_dict(page)
self.episodes_menu.set_items(d, filelist.current_page_index,
self.select_episode, False)
self.set_title(self.current_page)
self.episodes_menu.unselect()
self.episodes_menu.select_by_index(index)
self.navigator.left_button.change_label(
str(filelist.get_left_items_number()))
self.navigator.right_button.change_label(
str(filelist.get_right_items_number()))
self.episodes_menu.clean_draw_update()
if hasattr(self, "update_observer"):
self.episodes_menu.add_menu_observers(self.update_observer,
self.redraw_observer)
def select_episode(self, state):
""" Select podacst episode
:param state: button state
"""
if getattr(state, "long_press", None) == True:
if state.status == STATUS_LOADED:
self.podcasts_util.delete_episode(state)
if not self.util.connected_to_internet:
for i, c in enumerate(self.episodes):
if c.name == state.name:
del self.episodes[i]
break
if len(self.episodes) == 0:
self.title = " "
self.set_title(0)
self.turn_page(state)
else:
state.icon_base = state.event_origin.components[
1].content = self.podcasts_util.available_icon
state.status = STATUS_AVAILABLE
elif state.status == STATUS_AVAILABLE:
if self.podcasts_util.is_podcast_folder_available():
state.icon_base = state.event_origin.components[
1].content = self.podcasts_util.loading_icon
state.status = STATUS_LOADING
self.add_save_episode_listener(state)
self.podcasts_util.save_episode(
state, self.notify_save_episode_listeners)
self.clean_draw_update()
else:
podcast_player = self.listeners[KEY_PLAYER]
podcast_player(state)
def add_save_episode_listener(self, listener):
""" Add save episode listener
:param listener: event listener
"""
if listener not in self.save_episode_listeners:
self.save_episode_listeners.append(listener)
def notify_save_episode_listeners(self):
""" Notify all save episode listeners """
for index, listener in enumerate(self.save_episode_listeners):
listener.icon_base = listener.event_origin.components[
1].content = self.podcasts_util.loaded_icon
listener.status = STATUS_LOADED
self.clean_draw_update()
if hasattr(self, "redraw_observer"):
self.redraw_observer()
del self.save_episode_listeners[index]
def add_screen_observers(self, update_observer, redraw_observer):
""" Add screen observers
:param update_observer: observer for updating the screen
:param redraw_observer: observer to redraw the whole screen
"""
MenuScreen.add_screen_observers(self, update_observer, redraw_observer)
self.update_observer = update_observer
self.redraw_observer = redraw_observer
self.add_loading_listener(redraw_observer)
self.navigator.add_observers(self.update_observer,
self.redraw_observer)
class PodcastEpisodesScreen(MenuScreen):
""" Podcast Episodes Screen """
def __init__(self, util, listeners, voice_assistant, state):
""" Initializer
:param util: utility object
:param listeners: file browser listeners
:param voice_assistant: voice assistant
:param state: button state
"""
self.util = util
self.config = util.config
self.podcasts_util = util.get_podcasts_util()
self.listeners = listeners
self.factory = Factory(util)
self.bounding_box = util.screen_rect
self.layout = BorderLayout(self.bounding_box)
self.layout.set_percent_constraints(PERCENT_TOP_HEIGHT,
PERCENT_BOTTOM_HEIGHT, 0, 0)
d = [MENU_ROWS_EPISODES, MENU_COLUMNS_EPISODES]
MenuScreen.__init__(self,
util,
listeners,
MENU_ROWS_EPISODES,
MENU_COLUMNS_EPISODES,
voice_assistant,
d,
self.turn_page,
page_in_title=False)
if hasattr(state, "podcast_url"):
podcast_url = state.podcast_url
self.title = self.podcasts_util.summary_cache[podcast_url].name
else:
self.title = state.name
m = self.create_episode_menu_button
font_size = int(
((self.menu_layout.h / MENU_ROWS_EPISODES) / 100) * FONT_HEIGHT)
self.episodes_menu = MultiPageMenu(util,
self.next_page,
self.previous_page,
self.set_title,
self.reset_title,
self.go_to_page,
m,
MENU_ROWS_EPISODES,
MENU_COLUMNS_EPISODES,
None, (0, 0, 0, 0),
self.menu_layout,
align=ALIGN_CENTER,
font_size=font_size)
self.set_menu(self.episodes_menu)
self.total_pages = PAGE_SIZE_EPISODES * 2
self.episodes = []
self.navigator = EpisodeNavigator(self.util, self.layout.BOTTOM,
listeners, self.total_pages)
self.add_component(self.navigator)
self.current_page = 1
self.save_episode_listeners = []
self.animated_title = True
def create_episode_menu_button(self, s, constr, action, scale, font_size):
""" Create podcast episode menu button
:param s: button state
:param constr: scaling constraints
:param action: button event listener
:param scale: True - scale images, False - don't scale images
:param font_size: label font height in pixels
:return: genre menu button
"""
s.bounding_box = constr
s.img_x = None
s.img_y = None
s.auto_update = True
s.show_bgr = True
s.show_img = True
s.show_label = True
s.image_location = LEFT
s.label_location = CENTER
s.label_area_percent = 30
s.image_size_percent = 0.12
s.text_color_normal = self.config[COLORS][COLOR_BRIGHT]
s.text_color_selected = self.config[COLORS][COLOR_CONTRAST]
s.text_color_disabled = self.config[COLORS][COLOR_MEDIUM]
s.text_color_current = s.text_color_normal
s.scale = scale
s.source = "episode_menu"
s.v_align = V_ALIGN_TOP
s.h_align = H_ALIGN_LEFT
s.v_offset = (constr.h / 100) * 5
s.bgr = self.config[BACKGROUND][MENU_BGR_COLOR]
s.image_area_percent = ICON_AREA
s.fixed_height = font_size
button = EpisodeButton(self.util, s)
button.add_release_listener(action)
if not getattr(s, "enabled", True):
button.set_enabled(False)
elif getattr(s, "icon_base",
False) and not getattr(s, "scaled", False):
button.components[1].content = s.icon_base
button.scaled = scale
return button
def set_current(self, state):
""" Set current state
:param state: button state
"""
if not self.util.connected_to_internet and len(
self.episodes) == 0 and not hasattr(state, "url"):
return
if state.name == KEY_BACK or (getattr(state, "source",
None) == FILE_BUTTON
and len(self.episodes) != 0):
self.episodes_menu.clean_draw_update()
return
if getattr(state, "podcast_url", None) != None:
self.episodes = self.podcasts_util.get_episodes(state.podcast_url)
if len(self.episodes) != 0:
self.total_pages = math.ceil(
len(self.episodes) / PAGE_SIZE_EPISODES)
self.turn_page(state)
return
self.set_loading(self.title)
if state.name != self.title or len(self.episodes) == 0:
self.title = state.name
if self.util.connected_to_internet:
self.episodes = self.podcasts_util.get_episodes(state.url)
else:
self.episodes = self.podcasts_util.get_episodes_from_disk(
state.url)
self.total_pages = math.ceil(len(self.episodes) / PAGE_SIZE_EPISODES)
self.turn_page(state)
self.reset_loading()
def turn_page(self, state=None):
""" Turn screen page
:param state: button state
"""
filelist = Page(self.episodes, MENU_ROWS_EPISODES,
MENU_COLUMNS_EPISODES)
if state == None:
filelist.current_page_index = self.current_page - 1
index = filelist.current_page_index * PAGE_SIZE_EPISODES
else:
if getattr(state, "status", None) == STATUS_LOADED:
if hasattr(state, "original_url") and len(
state.original_url.strip()) > 0:
filelist.set_current_item_by_url(state.original_url)
else:
filelist.set_current_item_by_file_name(state.file_name)
else:
filelist.set_current_item_by_url(state.url)
index = filelist.current_item_index
self.current_page = filelist.current_page_index + 1
page = filelist.get_current_page()
d = self.episodes_menu.make_dict(page)
self.episodes_menu.set_items(d, filelist.current_page_index,
self.select_episode, False)
self.set_title(self.current_page)
self.episodes_menu.unselect()
self.episodes_menu.select_by_index(index)
for b in self.episodes_menu.buttons.values():
b.parent_screen = self
self.navigator.left_button.change_label(
str(filelist.get_left_items_number()))
self.navigator.right_button.change_label(
str(filelist.get_right_items_number()))
self.episodes_menu.clean_draw_update()
if hasattr(self, "update_observer"):
self.episodes_menu.add_menu_observers(self.update_observer,
self.redraw_observer)
def select_episode(self, state):
""" Select podacst episode
:param state: button state
"""
if getattr(state, "long_press", None) == True:
if state.status == STATUS_LOADED:
self.podcasts_util.delete_episode(state)
if not self.util.connected_to_internet:
for i, c in enumerate(self.episodes):
if c.name == state.name:
del self.episodes[i]
break
if len(self.episodes) == 0:
self.title = " "
self.set_title(0)
self.turn_page(state)
else:
state.icon_base = state.event_origin.components[
1].content = self.podcasts_util.available_icon
state.status = STATUS_AVAILABLE
elif state.status == STATUS_AVAILABLE:
if self.podcasts_util.is_podcast_folder_available():
state.icon_base = state.event_origin.components[
1].content = self.podcasts_util.loading_icon
state.status = STATUS_LOADING
self.add_save_episode_listener(state)
self.podcasts_util.save_episode(
state, self.notify_save_episode_listeners)
self.clean_draw_update()
else:
podcast_player = self.listeners[KEY_PLAYER]
podcast_player(state)
def add_save_episode_listener(self, listener):
""" Add save episode listener
:param listener: event listener
"""
if listener not in self.save_episode_listeners:
self.save_episode_listeners.append(listener)
def notify_save_episode_listeners(self):
""" Notify all save episode listeners """
for index, listener in enumerate(self.save_episode_listeners):
listener.icon_base = listener.event_origin.components[
1].content = self.podcasts_util.loaded_icon
listener.status = STATUS_LOADED
self.clean_draw_update()
if hasattr(self, "redraw_observer"):
self.redraw_observer()
del self.save_episode_listeners[index]
def add_screen_observers(self, update_observer, redraw_observer):
""" Add screen observers
:param update_observer: observer for updating the screen
:param redraw_observer: observer to redraw the whole screen
"""
MenuScreen.add_screen_observers(self, update_observer, redraw_observer)
self.update_observer = update_observer
self.redraw_observer = redraw_observer
self.add_loading_listener(redraw_observer)
self.navigator.add_observers(self.update_observer,
self.redraw_observer)