72 lines
2.1 KiB
Java
72 lines
2.1 KiB
Java
package code.name.monkey.retromusic.helper;
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import android.os.Handler;
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import android.os.Message;
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import android.support.annotation.NonNull;
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public class MusicProgressViewUpdateHelper extends Handler {
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private static final int CMD_REFRESH_PROGRESS_VIEWS = 1;
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private static final int MIN_INTERVAL = 20;
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private static final int UPDATE_INTERVAL_PLAYING = 1000;
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private static final int UPDATE_INTERVAL_PAUSED = 500;
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private Callback callback;
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private int intervalPlaying;
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private int intervalPaused;
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public void start() {
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queueNextRefresh(1);
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}
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public void stop() {
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removeMessages(CMD_REFRESH_PROGRESS_VIEWS);
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}
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public MusicProgressViewUpdateHelper(Callback callback) {
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this.callback = callback;
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this.intervalPlaying = UPDATE_INTERVAL_PLAYING;
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this.intervalPaused = UPDATE_INTERVAL_PAUSED;
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}
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public MusicProgressViewUpdateHelper(Callback callback, int intervalPlaying, int intervalPaused) {
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this.callback = callback;
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this.intervalPlaying = intervalPlaying;
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this.intervalPaused = intervalPaused;
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}
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@Override
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public void handleMessage(@NonNull Message msg) {
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super.handleMessage(msg);
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if (msg.what == CMD_REFRESH_PROGRESS_VIEWS) {
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queueNextRefresh(refreshProgressViews());
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}
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}
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private int refreshProgressViews() {
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final int progressMillis = MusicPlayerRemote.getSongProgressMillis();
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final int totalMillis = MusicPlayerRemote.getSongDurationMillis();
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callback.onUpdateProgressViews(progressMillis, totalMillis);
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if (!MusicPlayerRemote.isPlaying()) {
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return intervalPaused;
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}
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final int remainingMillis = intervalPlaying - progressMillis % intervalPlaying;
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return Math.max(MIN_INTERVAL, remainingMillis);
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}
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private void queueNextRefresh(final long delay) {
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final Message message = obtainMessage(CMD_REFRESH_PROGRESS_VIEWS);
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removeMessages(CMD_REFRESH_PROGRESS_VIEWS);
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sendMessageDelayed(message, delay);
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}
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public interface Callback {
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void onUpdateProgressViews(int progress, int total);
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}
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}
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