Files
sublime-music/sublime/ui/albums.py
2020-05-08 11:30:23 -06:00

605 lines
21 KiB
Python

import datetime
from typing import Any, Callable, Iterable, Optional, Tuple, Union
import gi
gi.require_version("Gtk", "3.0")
from gi.repository import Gdk, Gio, GLib, GObject, Gtk, Pango
from sublime.cache_manager import CacheManager
from sublime.config import AppConfiguration
from sublime.server.api_objects import AlbumWithSongsID3, Child
from sublime.ui import util
from sublime.ui.common import AlbumWithSongs, IconButton, SpinnerImage
Album = Union[Child, AlbumWithSongsID3]
class AlbumsPanel(Gtk.Box):
__gsignals__ = {
"song-clicked": (
GObject.SignalFlags.RUN_FIRST,
GObject.TYPE_NONE,
(int, object, object),
),
"refresh-window": (
GObject.SignalFlags.RUN_FIRST,
GObject.TYPE_NONE,
(object, bool),
),
}
populating_genre_combo = False
grid_order_token: int = 0
def __init__(self):
super().__init__(orientation=Gtk.Orientation.VERTICAL)
actionbar = Gtk.ActionBar()
# Sort by
actionbar.add(Gtk.Label(label="Sort"))
self.sort_type_combo = self.make_combobox(
(
("random", "randomly"),
("byGenre", "by genre"),
("newest", "by most recently added"),
("highest", "by highest rated"),
("frequent", "by most played"),
("recent", "by most recently played"),
("alphabetical", "alphabetically"),
("starred", "by starred only"),
("byYear", "by year"),
),
self.on_type_combo_changed,
)
actionbar.pack_start(self.sort_type_combo)
# Alphabetically how?
self.alphabetical_type_combo = self.make_combobox(
(("name", "by album name"), ("artist", "by artist name"),),
self.on_alphabetical_type_change,
)
actionbar.pack_start(self.alphabetical_type_combo)
# Alphabetically how?
self.genre_combo = self.make_combobox((), self.on_genre_change)
actionbar.pack_start(self.genre_combo)
next_decade = datetime.datetime.now().year + 10
self.from_year_label = Gtk.Label(label="from")
actionbar.pack_start(self.from_year_label)
self.from_year_spin_button = Gtk.SpinButton.new_with_range(0, next_decade, 1)
self.from_year_spin_button.connect("value-changed", self.on_year_changed)
actionbar.pack_start(self.from_year_spin_button)
self.to_year_label = Gtk.Label(label="to")
actionbar.pack_start(self.to_year_label)
self.to_year_spin_button = Gtk.SpinButton.new_with_range(0, next_decade, 1)
self.to_year_spin_button.connect("value-changed", self.on_year_changed)
actionbar.pack_start(self.to_year_spin_button)
refresh = IconButton("view-refresh-symbolic", "Refresh list of albums")
refresh.connect("clicked", self.on_refresh_clicked)
actionbar.pack_end(refresh)
self.add(actionbar)
scrolled_window = Gtk.ScrolledWindow()
self.grid = AlbumsGrid()
self.grid.connect(
"song-clicked", lambda _, *args: self.emit("song-clicked", *args),
)
self.grid.connect("cover-clicked", self.on_grid_cover_clicked)
scrolled_window.add(self.grid)
self.add(scrolled_window)
def make_combobox(
self,
items: Iterable[Tuple[str, str]],
on_change: Callable[["AlbumsPanel", Gtk.ComboBox], None],
) -> Gtk.ComboBox:
store = Gtk.ListStore(str, str)
for item in items:
store.append(item)
combo = Gtk.ComboBox.new_with_model(store)
combo.set_id_column(0)
combo.connect("changed", on_change)
renderer_text = Gtk.CellRendererText()
combo.pack_start(renderer_text, True)
combo.add_attribute(renderer_text, "text", 1)
return combo
def populate_genre_combo(
self, app_config: AppConfiguration, force: bool = False,
):
if not CacheManager.ready():
return
def get_genres_done(f: CacheManager.Result):
try:
new_store = [(genre.value, genre.value) for genre in (f.result() or [])]
util.diff_song_store(self.genre_combo.get_model(), new_store)
current_genre_id = self.get_id(self.genre_combo)
if current_genre_id != app_config.state.current_album_genre:
self.genre_combo.set_active_id(app_config.state.current_album_genre)
finally:
self.updating_query = False
# Never force. We invalidate the cache ourselves (force is used when
# sort params change).
genres_future = CacheManager.get_genres(force=False)
genres_future.add_done_callback(lambda f: GLib.idle_add(get_genres_done, f))
def update(self, app_config: AppConfiguration, force: bool = False):
self.updating_query = True
self.sort_type_combo.set_active_id(app_config.state.current_album_sort)
self.alphabetical_type_combo.set_active_id(
app_config.state.current_album_alphabetical_sort
)
self.from_year_spin_button.set_value(app_config.state.current_album_from_year)
self.to_year_spin_button.set_value(app_config.state.current_album_to_year)
self.populate_genre_combo(app_config, force=force)
# Show/hide the combo boxes.
def show_if(sort_type: str, *elements):
for element in elements:
if app_config.state.current_album_sort == sort_type:
element.show()
else:
element.hide()
show_if("alphabetical", self.alphabetical_type_combo)
show_if("byGenre", self.genre_combo)
show_if("byYear", self.from_year_label, self.from_year_spin_button)
show_if("byYear", self.to_year_label, self.to_year_spin_button)
self.grid.update(self.grid_order_token, app_config, force=force)
def get_id(self, combo: Gtk.ComboBox) -> Optional[int]:
tree_iter = combo.get_active_iter()
if tree_iter is not None:
return combo.get_model()[tree_iter][0]
return None
def on_refresh_clicked(self, button: Any):
self.emit("refresh-window", {}, True)
def on_type_combo_changed(self, combo: Gtk.ComboBox):
new_active_sort = self.get_id(combo)
self.grid_order_token = self.grid.update_params(type_=new_active_sort)
self.emit_if_not_updating(
"refresh-window", {"current_album_sort": new_active_sort}, False,
)
def on_alphabetical_type_change(self, combo: Gtk.ComboBox):
new_active_alphabetical_sort = self.get_id(combo)
self.grid_order_token = self.grid.update_params(
alphabetical_type=new_active_alphabetical_sort
)
self.emit_if_not_updating(
"refresh-window",
{"current_album_alphabetical_sort": new_active_alphabetical_sort},
False,
)
def on_genre_change(self, combo: Gtk.ComboBox):
new_active_genre = self.get_id(combo)
self.grid_order_token = self.grid.update_params(genre=new_active_genre)
self.emit_if_not_updating(
"refresh-window", {"current_album_genre": new_active_genre}, True,
)
def on_year_changed(self, entry: Gtk.SpinButton) -> bool:
year = int(entry.get_value())
if self.to_year_spin_button == entry:
self.grid_order_token = self.grid.update_params(to_year=year)
self.emit_if_not_updating(
"refresh-window", {"current_album_to_year": year}, True,
)
else:
self.grid_order_token = self.grid.update_params(from_year=year)
self.emit_if_not_updating(
"refresh-window", {"current_album_from_year": year}, True,
)
return False
def on_grid_cover_clicked(self, grid: Any, id: str):
self.emit(
"refresh-window", {"selected_album_id": id}, False,
)
def emit_if_not_updating(self, *args):
if self.updating_query:
return
self.emit(*args)
class AlbumsGrid(Gtk.Overlay):
"""Defines the albums panel."""
__gsignals__ = {
"song-clicked": (
GObject.SignalFlags.RUN_FIRST,
GObject.TYPE_NONE,
(int, object, object),
),
"cover-clicked": (GObject.SignalFlags.RUN_FIRST, GObject.TYPE_NONE, (object,),),
}
type_: str = "random"
alphabetical_type: str = "name"
from_year: int = 2010
to_year: int = 2020
genre: str = "Rock"
latest_applied_order_ratchet: int = 0
order_ratchet: int = 0
current_selection: Optional[int] = None
next_page_fn = None
current_min_size_request = 30
server_hash = None
class AlbumModel(GObject.Object):
def __init__(self, album: Album):
self.album: Album = album
super().__init__()
@property
def id(self) -> str:
return self.album.id
def __repr__(self) -> str:
return f"<AlbumsGrid.AlbumModel {self.album}>"
def update_params(
self,
type_: str = None,
alphabetical_type: str = None,
from_year: int = None,
to_year: int = None,
genre: str = None,
) -> int:
# If there's a diff, increase the ratchet.
if (
self.type_ != type_
or self.alphabetical_type != alphabetical_type
or self.from_year != from_year
or self.to_year != to_year
or self.genre != genre
):
self.order_ratchet += 1
self.type_ = type_ or self.type_
self.alphabetical_type = alphabetical_type or self.alphabetical_type
self.from_year = from_year or self.from_year
self.to_year = to_year or self.to_year
self.genre = genre or self.genre
self.current_min_size_request = 30
return self.order_ratchet
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
# This is the master list.
self.list_store = Gio.ListStore()
self.items_per_row = 4
scrolled_window = Gtk.ScrolledWindow()
grid_detail_grid_box = Gtk.Box(orientation=Gtk.Orientation.VERTICAL)
self.grid_top = Gtk.FlowBox(
hexpand=True,
row_spacing=5,
column_spacing=5,
margin_top=12,
margin_bottom=12,
homogeneous=True,
valign=Gtk.Align.START,
halign=Gtk.Align.CENTER,
selection_mode=Gtk.SelectionMode.SINGLE,
)
self.grid_top.connect("child-activated", self.on_child_activated)
self.grid_top.connect("size-allocate", self.on_grid_resize)
self.list_store_top = Gio.ListStore()
self.grid_top.bind_model(self.list_store_top, self.create_widget)
grid_detail_grid_box.add(self.grid_top)
self.detail_box = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL)
self.detail_box.pack_start(Gtk.Box(), True, True, 0)
self.detail_box_inner = Gtk.Box()
self.detail_box.pack_start(self.detail_box_inner, False, False, 0)
self.detail_box.pack_start(Gtk.Box(), True, True, 0)
grid_detail_grid_box.add(self.detail_box)
self.grid_bottom = Gtk.FlowBox(
vexpand=True,
hexpand=True,
row_spacing=5,
column_spacing=5,
margin_top=12,
margin_bottom=12,
homogeneous=True,
valign=Gtk.Align.START,
halign=Gtk.Align.CENTER,
selection_mode=Gtk.SelectionMode.SINGLE,
)
self.grid_bottom.connect("child-activated", self.on_child_activated)
self.list_store_bottom = Gio.ListStore()
self.grid_bottom.bind_model(self.list_store_bottom, self.create_widget)
grid_detail_grid_box.add(self.grid_bottom)
scrolled_window.add(grid_detail_grid_box)
self.add(scrolled_window)
self.spinner = Gtk.Spinner(
name="grid-spinner",
active=True,
halign=Gtk.Align.CENTER,
valign=Gtk.Align.CENTER,
)
self.add_overlay(self.spinner)
def update(
self, order_token: int, app_config: AppConfiguration, force: bool = False,
):
if order_token < self.latest_applied_order_ratchet:
return
if app_config.server is None:
return
new_hash = app_config.server.strhash()
server_changed = self.server_hash != new_hash
self.server_hash = new_hash
self.update_grid(
order_token,
force=force or server_changed,
selected_id=app_config.state.selected_album_id,
)
# Update the detail panel.
children = self.detail_box_inner.get_children()
if len(children) > 0 and hasattr(children[0], "update"):
children[0].update(force=force)
error_dialog = None
def update_grid(
self, order_token: int, force: bool = False, selected_id: str = None,
):
if not CacheManager.ready():
self.spinner.hide()
return
# Calculate the type.
type_ = self.type_
if self.type_ == "alphabetical":
type_ += {"name": "ByName", "artist": "ByArtist"}[self.alphabetical_type]
def do_update(f: CacheManager.Result):
try:
albums = f.result()
except Exception as e:
if self.error_dialog:
self.spinner.hide()
return
self.error_dialog = Gtk.MessageDialog(
transient_for=self.get_toplevel(),
message_type=Gtk.MessageType.ERROR,
buttons=Gtk.ButtonsType.OK,
text="Failed to retrieve albums",
)
self.error_dialog.format_secondary_markup(
f"Getting albums by {type_} failed due to the following"
f" error\n\n{e}"
)
self.error_dialog.run()
self.error_dialog.destroy()
self.error_dialog = None
self.spinner.hide()
return
# Don't override more recent results
if order_token < self.latest_applied_order_ratchet:
return
should_reload = (
force or self.latest_applied_order_ratchet < self.order_ratchet
)
self.latest_applied_order_ratchet = self.order_ratchet
self.list_store.remove_all()
selected_index = None
for i, album in enumerate(albums):
model = AlbumsGrid.AlbumModel(album)
if model.id == selected_id:
selected_index = i
self.list_store.append(model)
selection_changed = selected_index != self.current_selection
self.current_selection = selected_index
self.reflow_grids(
force_reload_from_master=should_reload,
selection_changed=selection_changed,
)
self.spinner.hide()
future = CacheManager.get_album_list(
type_=type_,
from_year=self.from_year,
to_year=self.to_year,
genre=self.genre,
before_download=lambda: GLib.idle_add(self.spinner.show),
force=force,
)
future.add_done_callback(lambda f: GLib.idle_add(do_update, f))
# Event Handlers
# =========================================================================
def on_child_activated(self, flowbox: Gtk.FlowBox, child: Gtk.Widget):
click_top = flowbox == self.grid_top
selected_index = child.get_index() + (
0 if click_top else len(self.list_store_top)
)
if click_top and selected_index == self.current_selection:
self.emit("cover-clicked", None)
else:
self.emit("cover-clicked", self.list_store[selected_index].id)
def on_grid_resize(self, flowbox: Gtk.FlowBox, rect: Gdk.Rectangle):
# TODO (#124): this doesn't work with themes that add extra padding.
# 200 + (10 * 2) + (5 * 2) = 230
# picture + (padding * 2) + (margin * 2)
new_items_per_row = min((rect.width // 230), 7)
if new_items_per_row != self.items_per_row:
self.items_per_row = min((rect.width // 230), 7)
self.detail_box_inner.set_size_request(
self.items_per_row * 230 - 10, -1,
)
self.reflow_grids()
# Helper Methods
# =========================================================================
def create_widget(self, item: "AlbumsGrid.AlbumModel") -> Gtk.Box:
widget_box = Gtk.Box(orientation=Gtk.Orientation.VERTICAL)
# Cover art image
artwork = SpinnerImage(
loading=False,
image_name="grid-artwork",
spinner_name="grid-artwork-spinner",
image_size=200,
)
widget_box.pack_start(artwork, False, False, 0)
def make_label(text: str, name: str) -> Gtk.Label:
return Gtk.Label(
name=name,
label=text,
tooltip_text=text,
ellipsize=Pango.EllipsizeMode.END,
max_width_chars=20,
halign=Gtk.Align.START,
)
# Header for the widget
header_text = (
item.album.title if isinstance(item.album, Child) else item.album.name
)
header_label = make_label(header_text, "grid-header-label")
widget_box.pack_start(header_label, False, False, 0)
# Extra info for the widget
info_text = util.dot_join(item.album.artist, item.album.year)
if info_text:
info_label = make_label(info_text, "grid-info-label")
widget_box.pack_start(info_label, False, False, 0)
# Download the cover art.
def on_artwork_downloaded(f: CacheManager.Result):
artwork.set_from_file(f.result())
artwork.set_loading(False)
def start_loading():
artwork.set_loading(True)
cover_art_filename_future = CacheManager.get_cover_art_filename(
item.album.coverArt, before_download=lambda: GLib.idle_add(start_loading),
)
cover_art_filename_future.add_done_callback(
lambda f: GLib.idle_add(on_artwork_downloaded, f)
)
widget_box.show_all()
return widget_box
def reflow_grids(
self, force_reload_from_master: bool = False, selection_changed: bool = False,
):
# Determine where the cuttoff is between the top and bottom grids.
entries_before_fold = len(self.list_store)
if self.current_selection is not None and self.items_per_row:
entries_before_fold = (
(self.current_selection // self.items_per_row) + 1
) * self.items_per_row
if force_reload_from_master:
# Just remove everything and re-add all of the items.
# TODO (#114): make this smarter somehow to avoid flicker. Maybe
# change this so that it removes one by one and adds back one by
# one.
self.list_store_top.remove_all()
self.list_store_bottom.remove_all()
for e in self.list_store[:entries_before_fold]:
self.list_store_top.append(e)
for e in self.list_store[entries_before_fold:]:
self.list_store_bottom.append(e)
else:
top_diff = len(self.list_store_top) - entries_before_fold
if top_diff < 0:
# Move entries from the bottom store.
for e in self.list_store_bottom[:-top_diff]:
self.list_store_top.append(e)
for _ in range(-top_diff):
if len(self.list_store_bottom) == 0:
break
del self.list_store_bottom[0]
else:
# Move entries to the bottom store.
for e in reversed(self.list_store_top[entries_before_fold:]):
self.list_store_bottom.insert(0, e)
for _ in range(top_diff):
del self.list_store_top[-1]
if self.current_selection is not None:
to_select = self.grid_top.get_child_at_index(self.current_selection)
if not to_select:
return
self.grid_top.select_child(to_select)
if not selection_changed:
return
for c in self.detail_box_inner.get_children():
self.detail_box_inner.remove(c)
model = self.list_store[self.current_selection]
detail_element = AlbumWithSongs(model.album, cover_art_size=300)
detail_element.connect(
"song-clicked", lambda _, *args: self.emit("song-clicked", *args),
)
detail_element.connect("song-selected", lambda *a: None)
self.detail_box_inner.pack_start(detail_element, True, True, 0)
self.detail_box.show_all()
# TODO (#88): scroll so that the grid_top is visible, and the
# detail_box is visible, with preference to the grid_top. May need
# to add another flag for this function.
else:
self.grid_top.unselect_all()
self.detail_box.hide()