526 lines
16 KiB
Rust
526 lines
16 KiB
Rust
use gst::prelude::*;
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use gst::ClockTime;
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use gst_player;
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use gtk;
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use gtk::prelude::*;
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use gio::{File, FileExt};
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use glib::{SignalHandlerId, WeakRef};
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use chrono::NaiveTime;
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use crossbeam_channel::Sender;
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use failure::Error;
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use fragile::Fragile;
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use podcasts_data::{dbqueries, USER_AGENT};
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use podcasts_data::{EpisodeWidgetModel, ShowCoverModel};
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use app::Action;
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use utils::set_image_from_path;
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use std::ops::Deref;
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use std::path::Path;
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use std::rc::Rc;
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use i18n::i18n;
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use std::sync::Arc;
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use mpris_player::{PlaybackStatus, MprisPlayer, Metadata, OrgMprisMediaPlayer2Player};
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#[derive(Debug, Clone, Copy)]
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enum SeekDirection {
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Backwards,
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Forward,
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}
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trait PlayerExt {
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fn play(&self);
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fn pause(&self);
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fn stop(&self);
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fn seek(&self, offset: ClockTime, direction: SeekDirection);
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fn fast_forward(&self);
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fn rewind(&self);
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fn set_playback_rate(&self, f64);
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}
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#[derive(Debug, Clone)]
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struct PlayerInfo {
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container: gtk::Box,
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show: gtk::Label,
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episode: gtk::Label,
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cover: gtk::Image,
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mpris: Arc<MprisPlayer>,
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}
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impl PlayerInfo {
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// FIXME: create a Diesel Model of the joined episode and podcast query instead
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fn init(&self, episode: &EpisodeWidgetModel, podcast: &ShowCoverModel) {
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self.set_cover_image(podcast);
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self.set_show_title(podcast);
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self.set_episode_title(episode);
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let mut metadata = Metadata::new();
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metadata.artist = Some(vec![podcast.title().to_string()]);
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metadata.title = Some(episode.title().to_string());
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podcast.image_uri().map(|value| {
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metadata.art_url = Some(value.to_string());
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});
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self.mpris.set_metadata(metadata);
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self.mpris.set_can_play(true);
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}
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fn set_episode_title(&self, episode: &EpisodeWidgetModel) {
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self.episode.set_text(episode.title());
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self.episode.set_tooltip_text(episode.title());
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}
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fn set_show_title(&self, show: &ShowCoverModel) {
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self.show.set_text(show.title());
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self.show.set_tooltip_text(show.title());
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}
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fn set_cover_image(&self, show: &ShowCoverModel) {
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set_image_from_path(&self.cover, show.id(), 34)
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.map_err(|err| error!("Player Cover: {}", err))
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.ok();
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}
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}
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#[derive(Debug, Clone)]
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struct PlayerTimes {
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container: gtk::Box,
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progressed: gtk::Label,
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duration: gtk::Label,
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separator: gtk::Label,
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slider: gtk::Scale,
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slider_update: Rc<SignalHandlerId>,
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}
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#[derive(Debug, Clone, Copy)]
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struct Duration(ClockTime);
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impl Deref for Duration {
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type Target = ClockTime;
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fn deref(&self) -> &Self::Target {
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&self.0
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}
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}
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#[derive(Debug, Clone, Copy)]
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struct Position(ClockTime);
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impl Deref for Position {
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type Target = ClockTime;
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fn deref(&self) -> &Self::Target {
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&self.0
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}
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}
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impl PlayerTimes {
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/// Update the duration `gtk::Label` and the max range of the `gtk::SclaeBar`.
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pub(crate) fn on_duration_changed(&self, duration: Duration) {
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let seconds = duration.seconds().map(|v| v as f64).unwrap_or(0.0);
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self.slider.block_signal(&self.slider_update);
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self.slider.set_range(0.0, seconds);
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self.slider.unblock_signal(&self.slider_update);
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self.duration.set_text(&format_duration(seconds as u32));
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}
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/// Update the `gtk::Scale` bar when the pipeline position is changed.
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pub(crate) fn on_position_updated(&self, position: Position) {
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let seconds = position.seconds().map(|v| v as f64).unwrap_or(0.0);
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self.slider.block_signal(&self.slider_update);
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self.slider.set_value(seconds);
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self.slider.unblock_signal(&self.slider_update);
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self.progressed.set_text(&format_duration(seconds as u32));
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}
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}
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fn format_duration(seconds: u32) -> String {
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let time = NaiveTime::from_num_seconds_from_midnight(seconds, 0);
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if seconds >= 3600 {
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time.format("%T").to_string()
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} else {
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time.format("%M∶%S").to_string()
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}
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}
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#[derive(Debug, Clone)]
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struct PlayerRate {
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radio150: gtk::RadioButton,
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radio125: gtk::RadioButton,
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radio_normal: gtk::RadioButton,
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popover: gtk::Popover,
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btn: gtk::MenuButton,
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label: gtk::Label,
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}
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#[derive(Debug, Clone)]
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struct PlayerControls {
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container: gtk::Box,
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play: gtk::Button,
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pause: gtk::Button,
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forward: gtk::Button,
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rewind: gtk::Button,
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}
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#[derive(Debug, Clone)]
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pub(crate) struct PlayerWidget {
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pub(crate) action_bar: gtk::ActionBar,
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player: gst_player::Player,
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mpris: Arc<MprisPlayer>,
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controls: PlayerControls,
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timer: PlayerTimes,
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info: PlayerInfo,
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rate: PlayerRate,
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}
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impl Default for PlayerWidget {
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fn default() -> Self {
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let dispatcher = gst_player::PlayerGMainContextSignalDispatcher::new(None);
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let player = gst_player::Player::new(
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None,
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// Use the gtk main thread
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Some(&dispatcher.upcast::<gst_player::PlayerSignalDispatcher>()),
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);
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let mpris = MprisPlayer::new(
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"Podcasts".to_string(),
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"GNOME Podcasts".to_string(),
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"org.gnome.Podcasts.desktop".to_string(),
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);
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mpris.set_can_play(false);
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mpris.set_can_seek(false);
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mpris.set_can_set_fullscreen(false);
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let mut config = player.get_config();
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config.set_user_agent(USER_AGENT);
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config.set_position_update_interval(250);
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player.set_config(config).unwrap();
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let builder = gtk::Builder::new_from_resource("/org/gnome/Podcasts/gtk/player_toolbar.ui");
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let action_bar = builder.get_object("action_bar").unwrap();
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let buttons = builder.get_object("buttons").unwrap();
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let play = builder.get_object("play_button").unwrap();
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let pause = builder.get_object("pause_button").unwrap();
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let forward: gtk::Button = builder.get_object("ff_button").unwrap();
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let rewind: gtk::Button = builder.get_object("rewind_button").unwrap();
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let controls = PlayerControls {
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container: buttons,
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play,
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pause,
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forward,
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rewind,
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};
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let timer_container = builder.get_object("timer").unwrap();
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let progressed = builder.get_object("progress_time_label").unwrap();
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let duration = builder.get_object("total_duration_label").unwrap();
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let separator = builder.get_object("separator").unwrap();
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let slider: gtk::Scale = builder.get_object("seek").unwrap();
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slider.set_range(0.0, 1.0);
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let player_weak = player.downgrade();
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let slider_update = Rc::new(Self::connect_update_slider(&slider, player_weak));
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let timer = PlayerTimes {
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container: timer_container,
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progressed,
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duration,
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separator,
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slider,
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slider_update,
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};
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let labels = builder.get_object("info").unwrap();
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let show = builder.get_object("show_label").unwrap();
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let episode = builder.get_object("episode_label").unwrap();
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let cover = builder.get_object("show_cover").unwrap();
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let info = PlayerInfo {
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mpris: mpris.clone(),
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container: labels,
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show,
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episode,
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cover,
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};
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let radio150 = builder.get_object("rate_1_50").unwrap();
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let radio125 = builder.get_object("rate_1_25").unwrap();
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let radio_normal = builder.get_object("normal_rate").unwrap();
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let popover = builder.get_object("rate_popover").unwrap();
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let btn = builder.get_object("rate_button").unwrap();
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let label = builder.get_object("rate_label").unwrap();
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let rate = PlayerRate {
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radio150,
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radio125,
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radio_normal,
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popover,
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label,
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btn,
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};
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PlayerWidget {
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player,
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mpris,
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action_bar,
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controls,
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timer,
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info,
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rate,
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}
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}
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}
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impl PlayerWidget {
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pub(crate) fn new(sender: &Sender<Action>) -> Rc<Self> {
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let w = Rc::new(Self::default());
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Self::init(&w, sender);
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w
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}
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fn init(s: &Rc<Self>, sender: &Sender<Action>) {
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Self::connect_control_buttons(s);
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Self::connect_rate_buttons(s);
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Self::connect_mpris_buttons(s);
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Self::connect_gst_signals(s, sender);
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}
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/// Connect the `PlayerControls` buttons to the `PlayerExt` methods.
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fn connect_control_buttons(s: &Rc<Self>) {
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let weak = Rc::downgrade(s);
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// Connect the play button to the gst Player.
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s.controls.play.connect_clicked(clone!(weak => move |_| {
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weak.upgrade().map(|p| p.play());
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}));
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// Connect the pause button to the gst Player.
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s.controls.pause.connect_clicked(clone!(weak => move |_| {
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weak.upgrade().map(|p| p.pause());
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}));
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// Connect the rewind button to the gst Player.
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s.controls.rewind.connect_clicked(clone!(weak => move |_| {
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weak.upgrade().map(|p| p.rewind());
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}));
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// Connect the fast-forward button to the gst Player.
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s.controls.forward.connect_clicked(clone!(weak => move |_| {
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weak.upgrade().map(|p| p.fast_forward());
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}));
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}
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fn connect_mpris_buttons(s: &Rc<Self>) {
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let weak = Rc::downgrade(s);
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let mpris = s.mpris.clone();
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s.mpris.connect_play_pause(clone!(weak => move || {
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match mpris.get_playback_status().unwrap().as_ref() {
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"Paused" => weak.upgrade().map(|p| p.play()),
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"Stopped" => weak.upgrade().map(|p| p.play()),
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_ => weak.upgrade().map(|p| p.pause()),
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};
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}));
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s.mpris.connect_next(clone!(weak => move || {
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weak.upgrade().map(|p| p.fast_forward());
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}));
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s.mpris.connect_previous(clone!(weak => move || {
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weak.upgrade().map(|p| p.rewind());
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}));
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//s.mpris.connect_raise(clone!(weak => move || {
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// TODO: Do something here
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//}));
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}
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#[cfg_attr(rustfmt, rustfmt_skip)]
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fn connect_gst_signals(s: &Rc<Self>, sender: &Sender<Action>) {
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// Log gst warnings.
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s.player.connect_warning(move |_, warn| warn!("gst warning: {}", warn));
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// Log gst errors.
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s.player.connect_error(clone!(sender => move |_, _error| {
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// sender.send(Action::ErrorNotification(format!("Player Error: {}", error)));
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let s = i18n("The media player was unable to execute an action.");
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sender.send(Action::ErrorNotification(s));
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}));
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// The following callbacks require `Send` but are handled by the gtk main loop
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let weak = Fragile::new(Rc::downgrade(s));
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// Update the duration label and the slider
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s.player.connect_duration_changed(clone!(weak => move |_, clock| {
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weak.get()
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.upgrade()
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.map(|p| p.timer.on_duration_changed(Duration(clock)));
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}));
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// Update the position label and the slider
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s.player.connect_position_updated(clone!(weak => move |_, clock| {
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weak.get()
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.upgrade()
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.map(|p| p.timer.on_position_updated(Position(clock)));
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}));
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// Reset the slider to 0 and show a play button
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s.player.connect_end_of_stream(clone!(weak => move |_| {
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weak.get()
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.upgrade()
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.map(|p| p.stop());
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}));
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}
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#[cfg_attr(rustfmt, rustfmt_skip)]
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fn connect_rate_buttons(s: &Rc<Self>) {
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let weak = Rc::downgrade(s);
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s.rate
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.radio_normal
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.connect_toggled(clone!(weak => move |_| {
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weak.upgrade().map(|p| p.on_rate_changed(1.00));
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}));
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s.rate
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.radio125
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.connect_toggled(clone!(weak => move |_| {
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weak.upgrade().map(|p| p.on_rate_changed(1.25));
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}));
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s.rate
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.radio150
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.connect_toggled(clone!(weak => move |_| {
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weak.upgrade().map(|p| p.on_rate_changed(1.50));
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}));
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}
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fn on_rate_changed(&self, rate: f64) {
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self.set_playback_rate(rate);
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self.rate.label.set_text(&format!("{:.2}×", rate));
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}
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fn reveal(&self) {
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self.action_bar.show();
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}
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pub(crate) fn initialize_episode(&self, rowid: i32) -> Result<(), Error> {
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let ep = dbqueries::get_episode_widget_from_rowid(rowid)?;
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let pd = dbqueries::get_podcast_cover_from_id(ep.show_id())?;
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self.info.init(&ep, &pd);
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// Currently that will always be the case since the play button is
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// only shown if the file is downloaded
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if let Some(ref path) = ep.local_uri() {
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if Path::new(path).exists() {
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// path is an absolute fs path ex. "foo/bar/baz".
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// Convert it so it will have a "file:///"
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// FIXME: convert it properly
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if let Some(uri) = File::new_for_path(path).get_uri() {
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// play the file
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self.player.set_uri(&uri);
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self.play();
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return Ok(());
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}
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}
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// TODO: log an error
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}
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// FIXME: Stream stuff
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// unimplemented!()
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Ok(())
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}
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fn connect_update_slider(
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slider: >k::Scale,
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player: WeakRef<gst_player::Player>,
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) -> SignalHandlerId {
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slider.connect_value_changed(move |slider| {
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let player = match player.upgrade() {
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Some(p) => p,
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None => return,
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};
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let value = slider.get_value() as u64;
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player.seek(ClockTime::from_seconds(value));
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})
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}
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}
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impl PlayerExt for PlayerWidget {
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fn play(&self) {
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self.reveal();
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self.controls.pause.show();
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self.controls.play.hide();
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self.player.play();
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self.mpris.set_playback_status(PlaybackStatus::Playing);
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}
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fn pause(&self) {
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self.controls.pause.hide();
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self.controls.play.show();
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self.player.pause();
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self.mpris.set_playback_status(PlaybackStatus::Paused);
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// Only rewind on pause if the stream position is passed a certain point.
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if let Some(sec) = self.player.get_position().seconds() {
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if sec >= 90 {
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self.seek(ClockTime::from_seconds(5), SeekDirection::Backwards);
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}
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}
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}
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#[cfg_attr(rustfmt, rustfmt_skip)]
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fn stop(&self) {
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self.controls.pause.hide();
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self.controls.play.show();
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self.player.stop();
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self.mpris.set_playback_status(PlaybackStatus::Paused);
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// Reset the slider bar to the start
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self.timer.on_position_updated(Position(ClockTime::from_seconds(0)));
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}
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// Adapted from https://github.com/philn/glide/blob/b52a65d99daeab0b487f79a0e1ccfad0cd433e22/src/player_context.rs#L219-L245
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fn seek(&self, offset: ClockTime, direction: SeekDirection) {
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let position = self.player.get_position();
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if position.is_none() || offset.is_none() {
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return;
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}
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let duration = self.player.get_duration();
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let destination = match direction {
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SeekDirection::Backwards if position >= offset => Some(position - offset),
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SeekDirection::Forward if !duration.is_none() && position + offset <= duration => {
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Some(position + offset)
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}
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_ => None,
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};
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destination.map(|d| self.player.seek(d));
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}
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fn rewind(&self) {
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self.seek(ClockTime::from_seconds(10), SeekDirection::Backwards)
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}
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fn fast_forward(&self) {
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self.seek(ClockTime::from_seconds(10), SeekDirection::Forward)
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}
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fn set_playback_rate(&self, rate: f64) {
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self.player.set_rate(rate);
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}
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}
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