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Player: Fix a refference cycle

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This commit is contained in:
Jordan Petridis 2018-08-13 06:33:10 +03:00
parent 5699562133
commit cc4b3cce55
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GPG Key ID: CEABAD9F5683B9A6
1 changed files with 14 additions and 5 deletions
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19
podcasts-gtk/src/widgets/player.rs
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@ -6,7 +6,7 @@ use gtk;
use gtk::prelude::*;
use gio::{File, FileExt};
use glib::SignalHandlerId;
use glib::{SignalHandlerId, WeakRef};
use chrono::NaiveTime;
use crossbeam_channel::Sender;
@ -204,7 +204,8 @@ impl Default for PlayerWidget {
let separator = builder.get_object("separator").unwrap();
let slider: gtk::Scale = builder.get_object("seek").unwrap();
slider.set_range(0.0, 1.0);
let slider_update = Rc::new(Self::connect_update_slider(&slider, &player));
let player_weak = player.downgrade();
let slider_update = Rc::new(Self::connect_update_slider(&slider, player_weak));
let timer = PlayerTimes {
container: timer_container,
progressed,
@ -385,11 +386,19 @@ impl PlayerWidget {
Ok(())
}
fn connect_update_slider(slider: &gtk::Scale, player: &gst_player::Player) -> SignalHandlerId {
slider.connect_value_changed(clone!(player => move |slider| {
fn connect_update_slider(
slider: &gtk::Scale,
player: WeakRef<gst_player::Player>,
) -> SignalHandlerId {
slider.connect_value_changed(move |slider| {
let player = match player.upgrade() {
Some(p) => p,
None => return,
};
let value = slider.get_value() as u64;
player.seek(ClockTime::from_seconds(value));
}))
})
}
}