| 1 | package org.apollo.widgets;
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| 2 |
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| 3 | import javax.swing.event.ChangeEvent;
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| 4 | import javax.swing.event.ChangeListener;
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| 5 |
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| 6 | import org.apollo.audio.ApolloPlaybackMixer;
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| 7 | import org.apollo.audio.ApolloSubjectChangedEvent;
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| 8 | import org.apollo.gui.VolumeControlButton;
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| 9 | import org.apollo.mvc.Observer;
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| 10 | import org.apollo.mvc.Subject;
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| 11 | import org.apollo.mvc.SubjectChangedEvent;
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| 12 | import org.expeditee.items.ItemParentStateChangedEvent;
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| 13 | import org.expeditee.items.Text;
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| 14 | import org.expeditee.items.widgets.InteractiveWidget;
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| 15 |
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| 16 | /**
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| 17 | * Provides master volume control
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| 18 | *
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| 19 | * @author Brook Novak
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| 20 | *
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| 21 | */
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| 22 | public class MasterVolume extends InteractiveWidget implements Observer {
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| 23 |
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| 24 | private VolumeControlButton vcButton;
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| 25 |
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| 26 | public MasterVolume(Text source, String[] args) {
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| 27 | super(source, new VolumeControlButton("Master Volume"), 40, 40, 40, 40);
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| 28 | vcButton = (VolumeControlButton)super._swingComponent;
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| 29 |
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| 30 | vcButton.addVolumeChangeListener(new ChangeListener() {
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| 31 | public void stateChanged(ChangeEvent e) {
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| 32 | float f = (float)vcButton.getVolumeValue();
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| 33 | f /= 100.0f;
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| 34 | ApolloPlaybackMixer.getInstance().setMasterVolume(f);
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| 35 | if (f == 0.0f) { // auto-mute
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| 36 | ApolloPlaybackMixer.getInstance().setMasterMute(true);
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| 37 | // this will raise a mute event and thus will change the button to muted state
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| 38 | } else { // auto-un-mute
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| 39 | ApolloPlaybackMixer.getInstance().setMasterMute(false);
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| 40 | }
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| 41 | }
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| 42 | });
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| 43 |
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| 44 |
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| 45 | vcButton.setVolumeValue(
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| 46 | (int)(ApolloPlaybackMixer.getInstance().getMasterVolume() * 100.0f)
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| 47 | );
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| 48 | vcButton.setMuted(ApolloPlaybackMixer.getInstance().isMasterMuteOn());
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| 49 |
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| 50 | }
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| 51 |
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| 52 | @Override
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| 53 | protected String[] getArgs() {
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| 54 | return null;
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| 55 | }
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| 56 |
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| 57 | public Subject getObservedSubject() {
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| 58 | return ApolloPlaybackMixer.getInstance();
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| 59 | }
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| 60 |
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| 61 |
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| 62 | @Override
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| 63 | protected void onParentStateChanged(int eventType) {
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| 64 | super.onParentStateChanged(eventType);
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| 65 |
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| 66 | switch (eventType) {
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| 67 |
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| 68 | case ItemParentStateChangedEvent.EVENT_TYPE_REMOVED:
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| 69 | case ItemParentStateChangedEvent.EVENT_TYPE_REMOVED_VIA_OVERLAY:
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| 70 | case ItemParentStateChangedEvent.EVENT_TYPE_HIDDEN:
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| 71 | ApolloPlaybackMixer.getInstance().removeObserver(this);
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| 72 | break;
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| 73 |
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| 74 | case ItemParentStateChangedEvent.EVENT_TYPE_ADDED:
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| 75 | case ItemParentStateChangedEvent.EVENT_TYPE_ADDED_VIA_OVERLAY:
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| 76 | case ItemParentStateChangedEvent.EVENT_TYPE_SHOWN:
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| 77 | case ItemParentStateChangedEvent.EVENT_TYPE_SHOWN_VIA_OVERLAY:
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| 78 | ApolloPlaybackMixer.getInstance().addObserver(this);
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| 79 | break;
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| 80 |
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| 81 | }
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| 82 | }
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| 83 |
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| 84 | public void modelChanged(Subject source, SubjectChangedEvent event) {
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| 85 |
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| 86 | if (event.getID() == ApolloSubjectChangedEvent.VOLUME) {
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| 87 |
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| 88 | vcButton.setVolumeValue(
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| 89 | (int)(ApolloPlaybackMixer.getInstance().getMasterVolume() * 100.0f)
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| 90 | );
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| 91 |
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| 92 | } else if (event.getID() == ApolloSubjectChangedEvent.MUTE) {
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| 93 |
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| 94 | vcButton.setMuted(ApolloPlaybackMixer.getInstance().isMasterMuteOn());
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| 95 |
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| 96 | }
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| 97 |
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| 98 | }
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| 99 |
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| 100 | public void setObservedSubject(Subject parent) {
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| 101 | }
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| 102 |
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| 103 | }
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