2024-10-10 09:53:52 +00:00
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/* play_queue.vala
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*
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* Copyright 2024 Erica Z
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*
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* SPDX-License-Identifier: AGPL-3.0-or-later
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*/
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[GtkTemplate (ui = "/eu/callcc/Wavelet/play_queue.ui")]
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public class Wavelet.PlayQueue : Adw.NavigationPage {
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2024-10-12 13:12:51 +00:00
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public ListStore songs { get; private set; }
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2024-10-12 12:57:37 +00:00
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// this is the index of the song that will play on next on_stream_start
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private uint next_stream_index;
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2024-10-10 09:53:52 +00:00
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2024-10-10 20:04:55 +00:00
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public signal void play_now (Song song);
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2024-10-12 12:28:05 +00:00
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public signal void now_playing (Song song);
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public signal void play_next (Song? song);
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2024-10-10 20:04:55 +00:00
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2024-10-10 09:53:52 +00:00
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construct {
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this.songs = new ListStore (typeof (Song));
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2024-10-12 12:57:37 +00:00
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this.next_stream_index = 0;
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2024-10-10 09:53:52 +00:00
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}
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public void clear () {
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this.songs.remove_all ();
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}
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public void queue (Song song) {
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uint new_index = this.songs.get_n_items ();
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2024-10-10 09:53:52 +00:00
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this.songs.append (song);
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2024-10-12 12:57:37 +00:00
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if (new_index == next_stream_index) {
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this.play_next (song);
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}
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2024-10-10 09:53:52 +00:00
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}
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2024-10-11 06:57:01 +00:00
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2024-10-11 08:22:05 +00:00
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[GtkCallback] private void on_song_activate (uint position) {
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2024-10-12 12:57:37 +00:00
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this.next_stream_index = position;
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2024-10-11 08:22:05 +00:00
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Song song = (Song) this.songs.get_item (position);
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2024-10-12 12:57:37 +00:00
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this.play_next (song);
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2024-10-11 08:22:05 +00:00
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this.play_now (song);
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}
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2024-10-12 12:28:05 +00:00
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internal void on_stream_start (Playbin playbin) {
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2024-10-12 12:57:37 +00:00
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Song song = (Song) this.songs.get_item (this.next_stream_index);
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2024-10-12 12:28:05 +00:00
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this.now_playing (song);
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2024-10-12 12:57:37 +00:00
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// prepare for next song ahead of time (gapless)
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this.next_stream_index += 1;
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Song? next_song = (Song?) this.songs.get_item (this.next_stream_index);
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2024-10-12 12:28:05 +00:00
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this.play_next (next_song);
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}
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2024-10-12 12:57:37 +00:00
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internal void restart () {
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this.next_stream_index = 0;
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Song song = (Song) this.songs.get_item (0);
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this.play_next (song);
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this.play_now (song);
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}
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2024-10-10 09:53:52 +00:00
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}
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