Method toggle_mute

src/components/audio_player.rs:219–223

(&mut self, cx: &mut Context<Self>)

        self.muted = !self.muted;
        self.apply_volume();
        cx.notify();
    }

    pub fn volume_up(&mut self, cx: &mut Context<Self>) {
        self.volume = (self.volume + VOLUME_STEP).min(1.0);
        if self.muted && self.volume > 0.0 {
            self.muted = false;
        }