421 lines
14 KiB
Python
421 lines
14 KiB
Python
from functools import partial
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from typing import Any, cast, List, Optional, Tuple
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from gi.repository import Gdk, Gio, GLib, GObject, Gtk, Pango
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from sublime.adapters import AdapterManager, api_objects as API, Result
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from sublime.config import AppConfiguration
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from sublime.ui import util
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from sublime.ui.common import IconButton, SongListColumn
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class BrowsePanel(Gtk.Overlay):
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"""Defines the arist panel."""
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__gsignals__ = {
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"song-clicked": (
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GObject.SignalFlags.RUN_FIRST,
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GObject.TYPE_NONE,
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(int, object, object),
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),
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"refresh-window": (
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GObject.SignalFlags.RUN_FIRST,
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GObject.TYPE_NONE,
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(object, bool),
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),
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}
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update_order_token = 0
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def __init__(self):
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super().__init__()
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scrolled_window = Gtk.ScrolledWindow()
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self.root_directory_listing = ListAndDrilldown()
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self.root_directory_listing.connect(
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"song-clicked", lambda _, *args: self.emit("song-clicked", *args),
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)
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self.root_directory_listing.connect(
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"refresh-window", lambda _, *args: self.emit("refresh-window", *args),
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)
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scrolled_window.add(self.root_directory_listing)
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self.add(scrolled_window)
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self.spinner = Gtk.Spinner(
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name="browse-spinner",
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active=True,
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halign=Gtk.Align.CENTER,
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valign=Gtk.Align.CENTER,
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)
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self.add_overlay(self.spinner)
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def update(self, app_config: AppConfiguration, force: bool = False):
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if not AdapterManager.can_get_directory():
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return
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self.update_order_token += 1
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def do_update(update_order_token: int, id_stack: Result[Tuple[str, ...]]):
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if self.update_order_token != update_order_token:
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return
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self.root_directory_listing.update(id_stack.result(), app_config, force)
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self.spinner.hide()
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def calculate_path() -> Tuple[str, ...]:
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if (current_dir_id := app_config.state.selected_browse_element_id) is None:
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return ("root",)
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id_stack = []
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while current_dir_id and (
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directory := AdapterManager.get_directory(
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current_dir_id, before_download=self.spinner.show,
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).result()
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):
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id_stack.append(directory.id)
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current_dir_id = directory.parent_id
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return tuple(id_stack)
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path_result: Result[Tuple[str, ...]] = Result(calculate_path)
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path_result.add_done_callback(
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partial(GLib.idle_add, partial(do_update, self.update_order_token))
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)
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class ListAndDrilldown(Gtk.Paned):
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__gsignals__ = {
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"song-clicked": (
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GObject.SignalFlags.RUN_FIRST,
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GObject.TYPE_NONE,
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(int, object, object),
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),
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"refresh-window": (
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GObject.SignalFlags.RUN_FIRST,
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GObject.TYPE_NONE,
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(object, bool),
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),
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}
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def __init__(self):
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Gtk.Paned.__init__(self, orientation=Gtk.Orientation.HORIZONTAL)
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self.list = MusicDirectoryList()
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self.list.connect(
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"song-clicked", lambda _, *args: self.emit("song-clicked", *args),
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)
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self.list.connect(
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"refresh-window", lambda _, *args: self.emit("refresh-window", *args),
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)
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self.pack1(self.list, False, False)
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self.box = Gtk.Box()
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self.pack2(self.box, True, False)
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def update(
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self,
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id_stack: Tuple[str, ...],
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app_config: AppConfiguration,
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force: bool = False,
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):
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*child_id_stack, dir_id = id_stack
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selected_id = child_id_stack[-1] if len(child_id_stack) > 0 else None
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self.list.update(
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directory_id=dir_id,
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selected_id=selected_id,
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app_config=app_config,
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force=force,
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)
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children = self.box.get_children()
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if len(child_id_stack) == 0:
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if len(children) > 0:
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self.box.remove(children[0])
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else:
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if len(children) == 0:
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drilldown = ListAndDrilldown()
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drilldown.connect(
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"song-clicked", lambda _, *args: self.emit("song-clicked", *args),
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)
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drilldown.connect(
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"refresh-window",
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lambda _, *args: self.emit("refresh-window", *args),
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)
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self.box.add(drilldown)
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self.box.show_all()
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self.box.get_children()[0].update(
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tuple(child_id_stack), app_config, force=force
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)
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class MusicDirectoryList(Gtk.Box):
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__gsignals__ = {
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"song-clicked": (
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GObject.SignalFlags.RUN_FIRST,
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GObject.TYPE_NONE,
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(int, object, object),
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),
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"refresh-window": (
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GObject.SignalFlags.RUN_FIRST,
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GObject.TYPE_NONE,
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(object, bool),
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),
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}
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update_order_token = 0
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directory_id: Optional[str] = None
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selected_id: Optional[str] = None
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class DrilldownElement(GObject.GObject):
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id = GObject.Property(type=str)
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name = GObject.Property(type=str)
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def __init__(self, element: API.Directory):
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GObject.GObject.__init__(self)
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self.id = element.id
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self.name = element.name
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def __init__(self):
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Gtk.Box.__init__(self, orientation=Gtk.Orientation.VERTICAL)
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list_actions = Gtk.ActionBar()
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refresh = IconButton("view-refresh-symbolic", "Refresh folder")
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refresh.connect("clicked", lambda *a: self.update(force=True))
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list_actions.pack_end(refresh)
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self.add(list_actions)
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self.loading_indicator = Gtk.ListBox()
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spinner_row = Gtk.ListBoxRow(activatable=False, selectable=False)
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spinner = Gtk.Spinner(name="drilldown-list-spinner", active=True)
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spinner_row.add(spinner)
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self.loading_indicator.add(spinner_row)
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self.pack_start(self.loading_indicator, False, False, 0)
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self.scroll_window = Gtk.ScrolledWindow(min_content_width=250)
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scrollbox = Gtk.Box(orientation=Gtk.Orientation.VERTICAL)
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self.drilldown_directories_store = Gio.ListStore()
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self.list = Gtk.ListBox()
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self.list.bind_model(self.drilldown_directories_store, self.create_row)
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scrollbox.add(self.list)
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self.directory_song_store = Gtk.ListStore(
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str, str, str, str, # cache status, title, duration, song ID
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)
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self.directory_song_list = Gtk.TreeView(
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model=self.directory_song_store,
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name="directory-songs-list",
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headers_visible=False,
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)
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self.directory_song_list.get_selection().set_mode(Gtk.SelectionMode.MULTIPLE)
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# Song status column.
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renderer = Gtk.CellRendererPixbuf()
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renderer.set_fixed_size(30, 35)
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column = Gtk.TreeViewColumn("", renderer, icon_name=0)
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column.set_resizable(True)
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self.directory_song_list.append_column(column)
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self.directory_song_list.append_column(SongListColumn("TITLE", 1, bold=True))
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self.directory_song_list.append_column(
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SongListColumn("DURATION", 2, align=1, width=40)
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)
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self.directory_song_list.connect("row-activated", self.on_song_activated)
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self.directory_song_list.connect(
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"button-press-event", self.on_song_button_press
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)
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scrollbox.add(self.directory_song_list)
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self.scroll_window.add(scrollbox)
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self.pack_start(self.scroll_window, True, True, 0)
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def update(
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self,
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app_config: AppConfiguration = None,
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force: bool = False,
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directory_id: str = None,
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selected_id: str = None,
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):
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self.directory_id = directory_id or self.directory_id
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self.selected_id = selected_id or self.selected_id
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self.update_store(
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self.directory_id, force=force, order_token=self.update_order_token,
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)
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_current_child_ids: List[str] = []
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@util.async_callback(
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AdapterManager.get_directory,
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before_download=lambda self: self.loading_indicator.show(),
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on_failure=lambda self, e: self.loading_indicator.hide(),
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)
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def update_store(
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self,
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directory: API.Directory,
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app_config: AppConfiguration = None,
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force: bool = False,
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order_token: int = None,
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):
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if order_token != self.update_order_token:
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return
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# This doesn't look efficient, since it's doing a ton of passses over the data,
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# but there is some annoying memory overhead for generating the stores to diff,
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# so we are short-circuiting by checking to see if any of the the IDs have
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# changed.
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#
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# The entire algorithm ends up being O(2n), but the first loop is very tight,
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# and the expensive parts of the second loop are avoided if the IDs haven't
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# changed.
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children_ids, children, song_ids = [], [], []
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selected_dir_idx = None
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for i, c in enumerate(directory.children):
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if i >= len(self._current_child_ids) or c.id != self._current_child_ids[i]:
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force = True
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if c.id == self.selected_id:
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selected_dir_idx = i
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children_ids.append(c.id)
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children.append(c)
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if not hasattr(c, "children"):
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song_ids.append(c.id)
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if force:
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new_directories_store = []
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self._current_child_ids = children_ids
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songs = []
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for el in children:
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if hasattr(el, "children"):
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new_directories_store.append(
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MusicDirectoryList.DrilldownElement(cast(API.Directory, el))
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)
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else:
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songs.append(cast(API.Song, el))
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util.diff_model_store(
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self.drilldown_directories_store, new_directories_store
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)
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new_songs_store = [
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[
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status_icon,
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util.esc(song.title),
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util.format_song_duration(song.duration),
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song.id,
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]
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for status_icon, song in zip(
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util.get_cached_status_icons(song_ids), songs
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)
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]
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else:
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new_songs_store = [
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[status_icon] + song_model[1:]
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for status_icon, song_model in zip(
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util.get_cached_status_icons(song_ids), self.directory_song_store
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)
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]
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util.diff_song_store(self.directory_song_store, new_songs_store)
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if len(self.drilldown_directories_store) == 0:
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self.list.hide()
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else:
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self.list.show()
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if len(self.directory_song_store) == 0:
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self.directory_song_list.hide()
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self.scroll_window.set_min_content_width(275)
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else:
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self.directory_song_list.show()
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self.scroll_window.set_min_content_width(350)
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# Preserve selection
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if selected_dir_idx is not None:
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row = self.list.get_row_at_index(selected_dir_idx)
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self.list.select_row(row)
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self.loading_indicator.hide()
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def on_download_state_change(self, _):
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self.update()
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# Create Element Helper Functions
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# ==================================================================================
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def create_row(self, model: DrilldownElement) -> Gtk.ListBoxRow:
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row = Gtk.ListBoxRow(
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action_name="app.browse-to", action_target=GLib.Variant("s", model.id),
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)
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rowbox = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL)
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rowbox.add(
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Gtk.Label(
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label=f"<b>{util.esc(model.name)}</b>",
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use_markup=True,
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margin=8,
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halign=Gtk.Align.START,
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ellipsize=Pango.EllipsizeMode.END,
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)
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)
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icon = Gio.ThemedIcon(name="go-next-symbolic")
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image = Gtk.Image.new_from_gicon(icon, Gtk.IconSize.BUTTON)
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rowbox.pack_end(image, False, False, 5)
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row.add(rowbox)
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row.show_all()
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return row
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# Event Handlers
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# ==================================================================================
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def on_song_activated(self, treeview: Any, idx: Gtk.TreePath, column: Any):
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# The song ID is in the last column of the model.
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self.emit(
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"song-clicked",
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idx.get_indices()[0],
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[m[-1] for m in self.directory_song_store],
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{},
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)
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def on_song_button_press(self, tree: Gtk.TreeView, event: Gdk.EventButton,) -> bool:
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if event.button == 3: # Right click
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clicked_path = tree.get_path_at_pos(event.x, event.y)
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if not clicked_path:
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return False
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store, paths = tree.get_selection().get_selected_rows()
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allow_deselect = False
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# Use the new selection instead of the old one for calculating what
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# to do the right click on.
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if clicked_path[0] not in paths:
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paths = [clicked_path[0]]
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allow_deselect = True
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song_ids = [self.directory_song_store[p][-1] for p in paths]
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# Used to adjust for the header row.
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bin_coords = tree.convert_tree_to_bin_window_coords(event.x, event.y)
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widget_coords = tree.convert_tree_to_widget_coords(event.x, event.y)
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util.show_song_popover(
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song_ids,
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event.x,
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event.y + abs(bin_coords.by - widget_coords.wy),
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tree,
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on_download_state_change=self.on_download_state_change,
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)
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# If the click was on a selected row, don't deselect anything.
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if not allow_deselect:
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return True
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return False
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