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;
010import java.io.IOException;
011
012import org.openstreetmap.josm.gui.layer.markerlayer.MarkerLayer;
013import org.openstreetmap.josm.io.audio.AudioPlayer;
014import org.openstreetmap.josm.io.audio.AudioUtil;
015import org.openstreetmap.josm.spi.preferences.Config;
016import org.openstreetmap.josm.tools.Shortcut;
017
018/**
019 * Jump the audio backward 10 seconds and start playing if paused.
020 * @since 547
021 */
022public class AudioBackAction extends AbstractAudioAction {
023
024    /**
025     * Constructs a new {@code AudioBackAction}.
026     */
027    public AudioBackAction() {
028        super(trc("audio", "Back"), "audio-back", trc("audio", "Jump back."),
029        Shortcut.registerShortcut("audio:back", tr("Audio: {0}", trc("audio", "Back")), KeyEvent.VK_F6, Shortcut.DIRECT), true);
030        setHelpId(ht("/Action/AudioBack"));
031    }
032
033    @Override
034    public void actionPerformed(ActionEvent e) {
035        try {
036            if (AudioPlayer.playing() || AudioPlayer.paused())
037                AudioPlayer.play(AudioPlayer.url(), AudioPlayer.position()
038                - Config.getPref().getDouble("audio.forwardbackamount", 10.0));
039            else
040                MarkerLayer.playAudio();
041        } catch (IOException | InterruptedException ex) {
042            AudioUtil.audioMalfunction(ex);
043        }
044    }
045}