Files
sublime-music/libremsonic/ui/util.py
2019-07-20 13:37:19 -06:00

236 lines
7.1 KiB
Python

import functools
from typing import Callable, List, Tuple, Any
from concurrent.futures import Future
import gi
gi.require_version('Gtk', '3.0')
from gi.repository import Gio, Gtk, GObject, GLib, Gdk
from libremsonic.cache_manager import CacheManager, SongCacheStatus
def button_with_icon(
icon_name,
relief=False,
icon_size=Gtk.IconSize.BUTTON,
) -> Gtk.Button:
button = Gtk.Button()
icon = Gio.ThemedIcon(name=icon_name)
image = Gtk.Image.new_from_gicon(icon, icon_size)
button.add(image)
if not relief:
button.props.relief = Gtk.ReliefStyle.NONE
return button
def format_song_duration(duration_secs) -> str:
return f'{duration_secs // 60}:{duration_secs % 60:02}'
def pluralize(string: str, number: int, pluralized_form=None):
if number != 1:
return pluralized_form or f'{string}s'
return string
def format_sequence_duration(duration_secs) -> str:
duration_mins = (duration_secs // 60) % 60
duration_hrs = duration_secs // 60 // 60
duration_secs = duration_secs % 60
format_components = []
if duration_hrs > 0:
hrs = '{} {}'.format(duration_hrs, pluralize('hour', duration_hrs))
format_components.append(hrs)
if duration_mins > 0:
mins = '{} {}'.format(duration_mins, pluralize('minute',
duration_mins))
format_components.append(mins)
# Show seconds if there are no hours.
if duration_hrs == 0:
secs = '{} {}'.format(duration_secs, pluralize('second',
duration_secs))
format_components.append(secs)
return ', '.join(format_components)
def esc(string):
return string.replace('&', '&').replace(" target='_blank'", '')
def dot_join(*items):
return ''.join(map(str, items))
def show_song_popover(
song_ids,
x: int,
y: int,
relative_to: Any,
position: Gtk.PositionType = Gtk.PositionType.BOTTOM,
on_download_state_change: Callable[[int], None] = lambda x: None,
show_remove_from_playlist_button: bool = False,
extra_menu_items: List[Tuple[Gtk.ModelButton, Any]] = [],
):
def on_add_to_up_next_click(button):
print('up next click')
def on_add_to_queue_click(button):
print('add to queue click')
def on_go_to_album_click(button):
print('go to album click')
def on_go_to_artist_click(button):
print('go to artist click')
def on_download_songs_click(button):
CacheManager.batch_download_songs(
song_ids,
before_download=on_download_state_change,
on_song_download_complete=on_download_state_change,
)
def on_add_to_playlist_click(button, playlist):
CacheManager.executor.submit(
CacheManager.update_playlist,
playlist_id=playlist.id,
song_id_to_add=song_ids,
)
popover = Gtk.PopoverMenu()
vbox = Gtk.Box(orientation=Gtk.Orientation.VERTICAL)
# Add all of the menu items to the popover.
song_count = len(song_ids)
# Determine if we should enable the download button.
download_sensitive = False
for song_id in song_ids:
details = CacheManager.get_song_details(song_id)
status = CacheManager.get_cached_status(details.result())
if status == SongCacheStatus.NOT_CACHED:
download_sensitive = True
break
menu_items = [
(Gtk.ModelButton(text='Add to up next'), on_add_to_up_next_click),
(Gtk.ModelButton(text='Add to queue'), on_add_to_queue_click),
(Gtk.Separator(orientation=Gtk.Orientation.HORIZONTAL), None),
(
Gtk.ModelButton(text='Go to album', sensitive=len(song_ids) == 1),
on_go_to_album_click,
),
(
Gtk.ModelButton(text='Go to artist', sensitive=len(song_ids) == 1),
on_go_to_artist_click,
),
(Gtk.Separator(orientation=Gtk.Orientation.HORIZONTAL), None),
(
Gtk.ModelButton(
text=(f"Download {pluralize('song', song_count)}"
if song_count > 1 else 'Download Song'),
sensitive=download_sensitive,
),
on_download_songs_click,
),
(Gtk.Separator(orientation=Gtk.Orientation.HORIZONTAL), None),
(
Gtk.ModelButton(
text=f"Add {pluralize('song', song_count)} to playlist",
menu_name='add-to-playlist',
),
None,
),
*extra_menu_items,
]
for item, action in menu_items:
if action:
item.connect('clicked', action)
if type(item) == Gtk.ModelButton:
item.get_style_context().add_class('menu-button')
vbox.pack_start(item, False, True, 0)
popover.add(vbox)
# Create the "Add song(s) to playlist" sub-menu.
playlists_vbox = Gtk.Box(orientation=Gtk.Orientation.VERTICAL)
# Back button
playlists_vbox.add(
Gtk.ModelButton(
inverted=True,
centered=True,
menu_name='main',
))
# The playlist buttons
for playlist in CacheManager.get_playlists().result():
button = Gtk.ModelButton(text=playlist.name)
button.get_style_context().add_class('menu-button')
button.connect('clicked', on_add_to_playlist_click, playlist)
playlists_vbox.pack_start(button, False, True, 0)
popover.add(playlists_vbox)
popover.child_set_property(playlists_vbox, 'submenu', 'add-to-playlist')
# Positioning of the popover.
rect = Gdk.Rectangle()
rect.x, rect.y, rect.width, rect.height = x, y, 1, 1
popover.set_pointing_to(rect)
popover.set_position(position)
popover.set_relative_to(relative_to)
popover.popup()
popover.show_all()
def async_callback(future_fn, before_download=None, on_failure=None):
"""
Defines the ``async_callback`` decorator.
When a function is annotated with this decorator, the function becomes the
done callback for the given future-generating lambda function. The
annotated function will be called with the result of the future generated
by said lambda function.
:param future_fn: a function which generates a
``concurrent.futures.Future``.
"""
def decorator(callback_fn):
@functools.wraps(callback_fn)
def wrapper(self, *args, **kwargs):
if before_download:
on_before_download = (
lambda: GLib.idle_add(before_download, self))
else:
on_before_download = (lambda: None)
def future_callback(f):
try:
result = f.result()
except Exception as e:
if on_failure:
on_failure(self, e)
return
return GLib.idle_add(callback_fn, self, result)
future: Future = future_fn(
*args,
before_download=on_before_download,
**kwargs,
)
future.add_done_callback(future_callback)
return wrapper
return decorator