def __init__(self, stdscr, configs):
# Curses initialization.
stdscr.clear()
acurses.echo(False)
acurses.cbreak()
acurses.cursor(False)
stdscr.refresh()
self.stdscr = stdscr
# Server communication initialization.
self.client = Client()
self.notif_client = NotificationClient()
self.notif_client.set_listener(NotificationClient.PLAYLISTS_CHANGED, self.on_playlists_changed)
self.notif_client.set_listener(NotificationClient.PLAYLIST_CHANGED, self.on_playlist_changed)
# TODO: Handle connection loose in a right way.
try:
self.client.connect(configs.host, configs.port)
self.notif_client.connect(configs.host, configs.nport)
except ConnectionError as e:
print('Connection failed. ' + str(e))
sys.exit(1)
# Build the UI.
height, width = self.stdscr.getmaxyx()
# Creation of status (bottom screen) windows.
win = status.Window(0, height - 2, width, 1)
self.status_controller = status.Controller(win)
win = prompt.Window(0, height - 1, width, 1)
self.prompt_controller = prompt.Controller(win)
# Creation of main windows.
win = browser.Window(0, 0, width, height - 4)
self.browser_controller = browser.Controller(self, win)
self.browser_controller.set_path('/')
win = playlist.Window(0, 0, width, height - 4)
self.playlist_controller = playlist.Controller(self, win)
self.playlist_controller.set_prompt_provider(self.prompt_controller.prompt)
# Set active controller.
self.controller = self.browser_controller
self.controller.activate()
# Start listening server's update notifications.
self.notif_lock = Lock()
self.notif_thread = NotificationThread(self.notif_client)
self.notif_thread.start()
self.command_handlers = {command.SWITCH_WINDOW: self.cmd_switch_window,
command.QUIT: self.cmd_quit}
class Application:
def synchronize(fn):
"""
Protect public methods to be called from another threads.
"""
def wrapper(app, *args, **kwargs):
app.lock()
fn(app, *args, **kwargs)
app.unlock()
return wrapper
def __init__(self, stdscr, configs):
# Curses initialization.
stdscr.clear()
acurses.echo(False)
acurses.cbreak()
acurses.cursor(False)
stdscr.refresh()
self.stdscr = stdscr
# Server communication initialization.
self.client = Client()
self.notif_client = NotificationClient()
self.notif_client.set_listener(NotificationClient.PLAYLISTS_CHANGED, self.on_playlists_changed)
self.notif_client.set_listener(NotificationClient.PLAYLIST_CHANGED, self.on_playlist_changed)
# TODO: Handle connection loose in a right way.
try:
self.client.connect(configs.host, configs.port)
self.notif_client.connect(configs.host, configs.nport)
except ConnectionError as e:
print('Connection failed. ' + str(e))
sys.exit(1)
# Build the UI.
height, width = self.stdscr.getmaxyx()
# Creation of status (bottom screen) windows.
win = status.Window(0, height - 2, width, 1)
self.status_controller = status.Controller(win)
win = prompt.Window(0, height - 1, width, 1)
self.prompt_controller = prompt.Controller(win)
# Creation of main windows.
win = browser.Window(0, 0, width, height - 4)
self.browser_controller = browser.Controller(self, win)
self.browser_controller.set_path('/')
win = playlist.Window(0, 0, width, height - 4)
self.playlist_controller = playlist.Controller(self, win)
self.playlist_controller.set_prompt_provider(self.prompt_controller.prompt)
# Set active controller.
self.controller = self.browser_controller
self.controller.activate()
# Start listening server's update notifications.
self.notif_lock = Lock()
self.notif_thread = NotificationThread(self.notif_client)
self.notif_thread.start()
self.command_handlers = {command.SWITCH_WINDOW: self.cmd_switch_window,
command.QUIT: self.cmd_quit}
@synchronize
def on_playlists_changed(self, *args, **kwargs):
self.playlist_controller.on_plists_changed(*args, **kwargs)
@synchronize
def on_playlist_changed(self, *args, **kwargs):
self.playlist_controller.on_plist_changed(*args, **kwargs)
def getch(self):
return self.stdscr.getch()
def run(self):
while True:
key = self.getch()
self.lock()
cmd = command.key_to_cmd(key, self.controller.NAME)
# We should give a chance to handle the command to the
# active controller. If it doesn't support that command the application
# tries to handle it (aka global command).
if cmd is None:
cmd = command.key_to_cmd(key, command.GLOBAL)
if cmd is not None:
self.on_command(cmd)
else:
if not self.controller.on_command(cmd):
self.on_command(cmd)
self.unlock()
def on_command(self, cmd):
self.command_handlers[cmd]()
def cmd_switch_window(self):
if self.controller == self.browser_controller:
self.controller = self.playlist_controller
self.browser_controller.deactivate()
else:
self.controller = self.browser_controller
self.playlist_controller.deactivate()
self.controller.activate()
def cmd_quit(self):
# TODO: Normal exit process.
raise Exception('quit')
def lock(self):
self.notif_lock.acquire()
def unlock(self):
self.notif_lock.release()