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package com.android.systemui.statusbar.powerwidget;
import com.android.systemui.R;
import android.content.Context;
import android.media.AudioManager;
import android.view.KeyEvent;
public class MediaPlayPauseButton extends MediaKeyEventButton {
public MediaPlayPauseButton() { mType = BUTTON_MEDIA_PLAY_PAUSE; }
private static final int MEDIA_STATE_UNKNOWN = -1;
private static final int MEDIA_STATE_INACTIVE = 0;
private static final int MEDIA_STATE_ACTIVE = 1;
private int mCurrentState = MEDIA_STATE_UNKNOWN;
@Override
protected void updateState() {
mState = STATE_DISABLED;
if(isMusicActive()) {
mIcon = R.drawable.stat_media_pause;
} else {
mIcon = R.drawable.stat_media_play;
}
}
@Override
protected void toggleState() {
sendMediaKeyEvent(KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE);
mCurrentState = (isMusicActive() ? MEDIA_STATE_INACTIVE : MEDIA_STATE_ACTIVE);
update();
}
@Override
protected boolean handleLongClick() {
return false;
}
private boolean isMusicActive() {
if(mCurrentState == MEDIA_STATE_UNKNOWN) {
mCurrentState = MEDIA_STATE_INACTIVE;
AudioManager am = getAudioManager(mView.getContext());
if(am != null) {
mCurrentState = (am.isMusicActive() ? MEDIA_STATE_ACTIVE : MEDIA_STATE_INACTIVE);
}
return (mCurrentState == MEDIA_STATE_ACTIVE);
} else {
boolean active = (mCurrentState == MEDIA_STATE_ACTIVE);
mCurrentState = MEDIA_STATE_UNKNOWN;
return active;
}
}
}
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