284 lines
9.1 KiB
Python
284 lines
9.1 KiB
Python
import functools
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from typing import Callable, List, Tuple, Any, Optional
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from concurrent.futures import Future
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import gi
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gi.require_version('Gtk', '3.0')
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from gi.repository import Gio, Gtk, GObject, GLib, Gdk
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from libremsonic.cache_manager import CacheManager, SongCacheStatus
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def button_with_icon(
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icon_name,
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relief=False,
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icon_size=Gtk.IconSize.BUTTON,
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) -> Gtk.Button:
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button = Gtk.Button()
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icon = Gio.ThemedIcon(name=icon_name)
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image = Gtk.Image.new_from_gicon(icon, icon_size)
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button.add(image)
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if not relief:
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button.props.relief = Gtk.ReliefStyle.NONE
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return button
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def format_song_duration(duration_secs) -> str:
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return f'{duration_secs // 60}:{duration_secs % 60:02}'
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def pluralize(string: str, number: int, pluralized_form=None):
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if number != 1:
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return pluralized_form or f'{string}s'
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return string
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def esc(string):
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return string.replace('&', '&')
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def show_song_popover(
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song_ids,
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x: int,
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y: int,
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relative_to: Any,
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position: Gtk.PositionType = Gtk.PositionType.BOTTOM,
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on_download_state_change: Callable[[int], None] = lambda x: None,
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show_remove_from_playlist_button: bool = False,
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extra_menu_items: List[Tuple[Gtk.ModelButton, Any]] = [],
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):
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def on_download_songs_click(button):
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CacheManager.batch_download_songs(
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song_ids,
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before_download=on_download_state_change,
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on_song_download_complete=on_download_state_change,
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)
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def on_add_to_playlist_click(button, playlist):
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CacheManager.executor.submit(
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CacheManager.update_playlist,
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playlist_id=playlist.id,
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song_id_to_add=song_ids,
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)
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popover = Gtk.PopoverMenu()
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vbox = Gtk.Box(orientation=Gtk.Orientation.VERTICAL)
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# Add all of the menu items to the popover.
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song_count = len(song_ids)
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# Determine if we should enable the download button.
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sensitive = False
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for song_id in song_ids:
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details = CacheManager.get_song_details(song_id)
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status = CacheManager.get_cached_status(details.result())
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if status == SongCacheStatus.NOT_CACHED:
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sensitive = True
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break
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menu_items = [
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(Gtk.ModelButton(text='Add to up next'), None),
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(Gtk.ModelButton(text='Add to queue'), None),
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(Gtk.Separator(orientation=Gtk.Orientation.HORIZONTAL), None),
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(Gtk.ModelButton(text='Go to album'), None),
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(Gtk.ModelButton(text='Go to artist'), None),
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(Gtk.Separator(orientation=Gtk.Orientation.HORIZONTAL), None),
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(
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Gtk.ModelButton(
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text=(f"Download {pluralize('song', song_count)}"
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if song_count > 1 else 'Download Song'),
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sensitive=sensitive,
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),
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on_download_songs_click,
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),
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(Gtk.Separator(orientation=Gtk.Orientation.HORIZONTAL), None),
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(
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Gtk.ModelButton(
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text=f"Add {pluralize('song', song_count)} to playlist",
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menu_name='add-to-playlist',
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),
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None,
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),
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*extra_menu_items,
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]
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for item, action in menu_items:
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if action:
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item.connect('clicked', action)
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if type(item) == Gtk.ModelButton:
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item.get_style_context().add_class('menu-button')
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vbox.pack_start(item, False, True, 0)
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popover.add(vbox)
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# Create the "Add song(s) to playlist" sub-menu.
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playlists_vbox = Gtk.Box(orientation=Gtk.Orientation.VERTICAL)
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# Back button
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playlists_vbox.add(
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Gtk.ModelButton(
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inverted=True,
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centered=True,
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menu_name='main',
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))
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# The playlist buttons
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for playlist in CacheManager.get_playlists().result():
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button = Gtk.ModelButton(text=playlist.name)
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button.get_style_context().add_class('menu-button')
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button.connect('clicked', on_add_to_playlist_click, playlist)
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playlists_vbox.pack_start(button, False, True, 0)
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popover.add(playlists_vbox)
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popover.child_set_property(playlists_vbox, 'submenu', 'add-to-playlist')
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# Positioning of the popover.
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rect = Gdk.Rectangle()
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rect.x, rect.y, rect.width, rect.height = x, y, 1, 1
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popover.set_pointing_to(rect)
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popover.set_position(position)
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popover.set_relative_to(relative_to)
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popover.popup()
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popover.show_all()
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class EditFormDialog(Gtk.Dialog):
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entity_name: str
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initial_size: Tuple[int, int]
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text_fields: List[Tuple[str, str, bool]] = []
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boolean_fields: List[Tuple[str, str]] = []
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extra_buttons: List[Gtk.Button] = []
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def get_object_name(self, obj):
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"""
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Gets the friendly object name. Can be overridden.
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"""
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return obj.name if obj else ''
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def get_default_object(self):
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return None
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def __init__(self, parent, existing_object=None):
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editing = existing_object is not None
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Gtk.Dialog.__init__(
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self,
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f'Edit {self.get_object_name(existing_object)}'
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if editing else f'Create New {self.entity_name}',
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parent,
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0,
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(Gtk.STOCK_CANCEL, Gtk.ResponseType.CANCEL,
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Gtk.STOCK_EDIT if editing else Gtk.STOCK_ADD,
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Gtk.ResponseType.OK),
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)
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if not existing_object:
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existing_object = self.get_default_object()
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self.set_default_size(*self.initial_size)
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if len(self.text_fields) + len(self.boolean_fields) > 0:
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# Create two columns for the labels and corresponding entry fields.
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content_area = self.get_content_area()
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flowbox = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL)
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label_box = Gtk.Box(orientation=Gtk.Orientation.VERTICAL)
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entry_box = Gtk.Box(orientation=Gtk.Orientation.VERTICAL)
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flowbox.pack_start(label_box, False, True, 10)
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flowbox.pack_start(entry_box, True, True, 10)
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# Store a map of field label to GTK component.
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self.data = {}
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# Create all of the text entry fields.
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for label, value_field_name, is_password in self.text_fields:
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# Put the label in the left box.
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entry_label = Gtk.Label(label=label + ':')
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entry_label.set_halign(Gtk.Align.START)
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label_box.pack_start(entry_label, True, True, 0)
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# Put the text entry in the right box.
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entry = Gtk.Entry(
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text=getattr(existing_object, value_field_name, ''))
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if is_password:
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entry.set_visibility(False)
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entry_box.pack_start(entry, True, True, 0)
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self.data[label] = entry
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# Create all of the check box fields.
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for label, value_field_name in self.boolean_fields:
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# Put the label in the left box.
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entry_label = Gtk.Label(label=label + ':')
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entry_label.set_halign(Gtk.Align.START)
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label_box.pack_start(entry_label, True, True, 0)
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# Put the checkbox in the right box. Note we have to pad here
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# since the checkboxes are smaller than the text fields.
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checkbox = Gtk.CheckButton(
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active=getattr(existing_object, value_field_name, False))
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entry_box.pack_start(checkbox, True, True, 5)
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self.data[label] = checkbox
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content_area.pack_start(flowbox, True, True, 10)
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# Create a box for buttons.
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if len(self.extra_buttons) > 0:
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button_box = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL)
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for button in self.extra_buttons:
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button_box.pack_start(button, False, True, 5)
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content_area.pack_start(button_box, True, True, 10)
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self.show_all()
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def async_callback(future_fn, before_download=None, on_failure=None):
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"""
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Defines the ``async_callback`` decorator.
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When a function is annotated with this decorator, the function becomes the
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done callback for the given future-generating lambda function. The
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annotated function will be called with the result of the future generated
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by said lambda function.
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:param future_fn: a function which generates a
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``concurrent.futures.Future``.
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"""
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def decorator(callback_fn):
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@functools.wraps(callback_fn)
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def wrapper(self, *args, **kwargs):
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if before_download:
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on_before_download = (
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lambda: GLib.idle_add(before_download, self))
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else:
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on_before_download = (lambda: None)
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def future_callback(f):
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try:
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result = f.result()
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except Exception as e:
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if on_failure:
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on_failure(self, e)
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return
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return GLib.idle_add(callback_fn, self, result)
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future: Future = future_fn(
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*args,
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before_download=on_before_download,
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**kwargs,
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)
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future.add_done_callback(future_callback)
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return wrapper
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return decorator
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