001// License: GPL. For details, see LICENSE file.
002package org.openstreetmap.josm.actions.audio;
003
004import static org.openstreetmap.josm.gui.help.HelpUtil.ht;
005import static org.openstreetmap.josm.tools.I18n.tr;
006import static org.openstreetmap.josm.tools.I18n.trc;
007
008import java.awt.event.ActionEvent;
009import java.awt.event.KeyEvent;
010
011import org.openstreetmap.josm.Main;
012import org.openstreetmap.josm.actions.JosmAction;
013import org.openstreetmap.josm.gui.layer.markerlayer.MarkerLayer;
014import org.openstreetmap.josm.tools.AudioPlayer;
015import org.openstreetmap.josm.tools.Shortcut;
016
017/**
018 * Jump the audio backward 10 seconds and start playing if paused.
019 * @since 547
020 */
021public class AudioBackAction extends JosmAction {
022
023    /**
024     * Constructs a new {@code AudioBackAction}.
025     */
026    public AudioBackAction() {
027        super(trc("audio", "Back"), "audio-back", trc("audio", "Jump back."),
028        Shortcut.registerShortcut("audio:back", tr("Audio: {0}", trc("audio", "Back")), KeyEvent.VK_F6, Shortcut.DIRECT), true);
029        this.putValue("help", ht("/Action/AudioBack"));
030    }
031
032    @Override
033    public void actionPerformed(ActionEvent e) {
034        try {
035            if (AudioPlayer.playing() || AudioPlayer.paused())
036                AudioPlayer.play(AudioPlayer.url(), AudioPlayer.position()
037                - Main.pref.getDouble("audio.forwardbackamount", 10.0));
038            else
039                MarkerLayer.playAudio();
040        } catch (Exception ex) {
041            AudioPlayer.audioMalfunction(ex);
042        }
043    }
044}