334 lines
11 KiB
Python
334 lines
11 KiB
Python
#!/usr/bin/env python3
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import gi
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gi.require_version('Gtk', '4.0')
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gi.require_version('Adw', '1')
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import logging
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import math
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import threading
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from gi.repository import Gtk, Gdk, Gio, GObject, GdkPixbuf, Adw
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from mcg import client
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from mcg.albumheaderbar import AlbumHeaderbar
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from mcg.utils import Utils
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from mcg.utils import GridItem
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@Gtk.Template(resource_path='/xyz/suruatoel/mcg/ui/playlist-panel.ui')
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class PlaylistPanel(Adw.Bin):
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__gtype_name__ = 'McgPlaylistPanel'
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__gsignals__ = {
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'open-standalone': (GObject.SIGNAL_RUN_FIRST, None, ()),
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'close-standalone': (GObject.SIGNAL_RUN_FIRST, None, ()),
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'clear-playlist': (GObject.SIGNAL_RUN_FIRST, None, ()),
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'remove-album': (GObject.SIGNAL_RUN_FIRST, None, (GObject.TYPE_PYOBJECT,)),
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'remove-multiple-albums': (GObject.SIGNAL_RUN_FIRST, None, (GObject.TYPE_PYOBJECT,)),
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'play': (GObject.SIGNAL_RUN_FIRST, None, (GObject.TYPE_PYOBJECT,)),
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'albumart': (GObject.SIGNAL_RUN_FIRST, None, (str,)),
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'select': (GObject.SIGNAL_RUN_FIRST, None, (bool,)),
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'clear-playlist': (GObject.SIGNAL_RUN_FIRST, None, ())
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}
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# Widgets
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panel_standalone = Gtk.Template.Child()
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actionbar_revealer = Gtk.Template.Child()
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# Toolbar
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toolbar = Gtk.Template.Child()
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playlist_clear_button = Gtk.Template.Child()
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select_button = Gtk.Template.Child()
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# Playlist Grid
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playlist_grid = Gtk.Template.Child()
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# Action bar (normal)
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actionbar = Gtk.Template.Child()
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actionbar_standalone = Gtk.Template.Child()
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# Standalone Image
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standalone_stack = Gtk.Template.Child()
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standalone_spinner = Gtk.Template.Child()
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standalone_scroll = Gtk.Template.Child()
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standalone_image = Gtk.Template.Child()
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def __init__(self, client, **kwargs):
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super().__init__(**kwargs)
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self._client = client
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self._host = None
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self._item_size = 150
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self._playlist = None
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self._playlist_albums = None
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self._playlist_lock = threading.Lock()
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self._playlist_stop = threading.Event()
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self._icon_theme = Gtk.IconTheme.get_for_display(Gdk.Display.get_default())
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self._standalone_pixbuf = None
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self._selected_albums = []
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self._is_selected = False
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# Widgets
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# FIXME Toolbar signals
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#self._toolbar.connect('select', self.on_toolbar_select)
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#self._toolbar.connect('clear-playlist', self.on_toolbar_clear)
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# Header bar
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self._headerbar_standalone = AlbumHeaderbar()
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self._headerbar_standalone.connect('close', self.on_headerbar_close_clicked)
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# Playlist Grid: Model
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self._playlist_grid_model = Gio.ListStore()
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self._playlist_grid_selection = Gtk.MultiSelection.new(self._playlist_grid_model)
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# Playlist Grid
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self.playlist_grid.set_model(self._playlist_grid_selection)
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def get_headerbar_standalone(self):
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return self._headerbar_standalone
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def get_toolbar(self):
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return self.toolbar
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def set_selected(self, selected):
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self._is_selected = selected
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def on_toolbar_select(self, widget, active):
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if active:
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self.actionbar_revealer.set_reveal_child(True)
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self.playlist_grid.set_selection_mode(Gtk.SelectionMode.MULTIPLE)
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self.playlist_grid.get_style_context().add_class(Utils.CSS_SELECTION)
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else:
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self.actionbar_revealer.set_reveal_child(False)
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self.playlist_grid.set_selection_mode(Gtk.SelectionMode.SINGLE)
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self.playlist_grid.get_style_context().remove_class(Utils.CSS_SELECTION)
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def on_toolbar_clear(self, widget):
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self.emit('clear-playlist')
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# FIXME on_select_toggled()
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#@Gtk.Template.Callback()
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def on_select_toggled(self, widget):
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self.emit('select', widget.get_active())
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# FIXME on_clear_clicked()
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#@Gtk.Template.Callback()
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def on_clear_clicked(self, widget):
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if widget is self.playlist_clear_button:
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self.emit('clear-playlist')
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@Gtk.Template.Callback()
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def on_playlist_grid_clicked(self, widget, position):
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# Get selected album
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item = self._playlist_grid_model.get_item(position)
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album = item.get_album()
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id = album.get_id()
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self._selected_albums = [album]
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self.emit('albumart', id)
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# FIXME Show standalone album
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return
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if widget.get_selection_mode() == Gtk.SelectionMode.SINGLE:
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# Set labels
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self._headerbar_standalone.set_album(album)
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# Show panel
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self._open_standalone()
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# Set cover loading indicator
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self.standalone_stack.set_visible_child(self.standalone_spinner)
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self.standalone_spinner.start()
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# FIXME on_playlist_grid_selection_changed()
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#@Gtk.Template.Callback()
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def on_playlist_grid_selection_changed(self, widget):
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self._selected_albums = []
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for path in widget.get_selected_items():
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iter = self._playlist_grid_model.get_iter(path)
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hash = self._playlist_grid_model.get_value(iter, 2)
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self._selected_albums.append(self._playlist_albums[hash])
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#@Gtk.Template.Callback()
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def on_selection_cancel_clicked(self, widget):
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self.select_button.set_active(False)
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#@Gtk.Template.Callback()
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def on_selection_remove_clicked(self, widget):
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self.emit('remove-multiple-albums', self._selected_albums)
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self.select_button.set_active(False)
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# FIXME on_standalone_scroll_size_allocate()
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#@Gtk.Template.Callback()
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def on_standalone_scroll_size_allocate(self, widget, allocation):
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self._resize_standalone_image()
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def on_headerbar_close_clicked(self, widget):
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self._close_standalone()
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#@Gtk.Template.Callback()
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def on_standalone_remove_clicked(self, widget):
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self.emit('remove-album', self._selected_albums[0])
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self._close_standalone()
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#@Gtk.Template.Callback()
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def on_standalone_play_clicked(self, widget):
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self.emit('play', self._selected_albums[0])
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self._close_standalone()
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def set_item_size(self, item_size):
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if self._item_size != item_size:
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self._item_size = item_size
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self._redraw()
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def get_item_size(self):
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return self._item_size
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def set_playlist(self, host, playlist):
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self._host = host
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self._playlist_stop.set()
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threading.Thread(target=self._set_playlist, args=(host, playlist, self._item_size,)).start()
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def set_albumart(self, album, data):
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if album in self._selected_albums:
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if data:
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# Load image and draw it
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try:
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self._standalone_pixbuf = Utils.load_pixbuf(data)
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except Exception as e:
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self._logger.exception("Failed to set albumart")
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self._cover_pixbuf = self._get_default_image()
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else:
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self._cover_pixbuf = self._get_default_image()
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# Show image
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GObject.idle_add(self._show_image)
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def stop_threads(self):
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self._playlist_stop.set()
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def _set_playlist(self, host, playlist, size):
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"""
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if not self._is_selected and self._playlist != playlist:
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GObject.idle_add(
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self.get_parent().child_set_property,
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self,
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'needs-attention',
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True
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)
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"""
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self._playlist_lock.acquire()
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self._playlist_stop.clear()
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self._playlist = playlist
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self._playlist_albums = {}
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for album in playlist:
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self._playlist_albums[album.get_id()] = album
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self._playlist_grid_model.remove_all()
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# FIXME Set item padding dynamically?
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#GObject.idle_add(self.playlist_grid.set_item_padding, size / 100)
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cache = client.MCGCache(host, size)
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for album in playlist:
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pixbuf = None
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# Load albumart thumbnail
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try:
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pixbuf = Utils.load_thumbnail(cache, self._client, album, size)
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except client.CommandException:
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# Exception is handled by client
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pass
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except Exception:
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self._logger.exception("Failed to load albumart")
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if pixbuf is None:
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pixbuf = self._icon_theme.lookup_icon(
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Utils.STOCK_ICON_DEFAULT,
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None,
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self._item_size,
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self._item_size,
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Gtk.TextDirection.LTR,
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Gtk.IconLookupFlags.FORCE_SYMBOLIC
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)
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if pixbuf is not None:
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self._playlist_grid_model.append(GridItem(album, pixbuf))
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if self._playlist_stop.is_set():
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self._playlist_lock.release()
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return
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self.playlist_grid.set_model(self._playlist_grid_selection)
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self._playlist_lock.release()
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def _show_image(self):
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self._resize_standalone_image()
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self.standalone_stack.set_visible_child(self.standalone_scroll)
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self.standalone_spinner.stop()
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def _redraw(self):
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if self._playlist is not None:
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self.set_playlist(self._host, self._playlist)
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def _open_standalone(self):
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self.set_visible_child(self.panel_standalone)
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self.emit('open-standalone')
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def _close_standalone(self):
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self.set_visible_child(self.get_children()[0])
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self.emit('close-standalone')
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def _resize_standalone_image(self):
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"""Diese Methode skaliert das geladene Bild aus dem Pixelpuffer
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auf die Größe des Fensters unter Beibehalt der Seitenverhältnisse
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"""
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pixbuf = self._standalone_pixbuf
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size = self.standalone_scroll.get_allocation()
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# Check pixelbuffer
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if pixbuf is None:
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return
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# Skalierungswert für Breite und Höhe ermitteln
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ratioW = float(size.width) / float(pixbuf.get_width())
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ratioH = float(size.height) / float(pixbuf.get_height())
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# Kleineren beider Skalierungswerte nehmen, nicht Hochskalieren
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ratio = min(ratioW, ratioH)
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ratio = min(ratio, 1)
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# Neue Breite und Höhe berechnen
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width = int(math.floor(pixbuf.get_width()*ratio))
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height = int(math.floor(pixbuf.get_height()*ratio))
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if width <= 0 or height <= 0:
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return
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# Pixelpuffer auf Oberfläche zeichnen
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self.standalone_image.set_allocation(self.standalone_scroll.get_allocation())
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self.standalone_image.set_from_pixbuf(pixbuf.scale_simple(width, height, GdkPixbuf.InterpType.HYPER))
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self.standalone_image.show()
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def _get_default_image(self):
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return self._icon_theme.lookup_icon(
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Utils.STOCK_ICON_DEFAULT,
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None,
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512,
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512,
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Gtk.TextDirection.LTR,
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Gtk.IconLookupFlags.FORCE_SYMBOLIC
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)
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