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Allow extension of DebugTextViewHelper

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-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=181970955
This commit is contained in:
aquilescanta 2018-01-15 08:21:33 -08:00 committed by Oliver Woodman
parent cfed8791b0
commit 515fdf3bfd
1 changed files with 29 additions and 24 deletions
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53
library/ui/src/main/java/com/google/android/exoplayer2/ui/DebugTextViewHelper.java
View file

@ -27,7 +27,7 @@ import java.util.Locale;
* A helper class for periodically updating a {@link TextView} with debug information obtained from
* a {@link SimpleExoPlayer}.
*/
public final class DebugTextViewHelper extends Player.DefaultEventListener implements Runnable {
public class DebugTextViewHelper extends Player.DefaultEventListener implements Runnable {
private static final int REFRESH_INTERVAL_MS = 1000;
@ -49,7 +49,7 @@ public final class DebugTextViewHelper extends Player.DefaultEventListener imple
* Starts periodic updates of the {@link TextView}. Must be called from the application's main
* thread.
*/
public void start() {
public final void start() {
if (started) {
return;
}
@ -62,7 +62,7 @@ public final class DebugTextViewHelper extends Player.DefaultEventListener imple
* Stops periodic updates of the {@link TextView}. Must be called from the application's main
* thread.
*/
public void stop() {
public final void stop() {
if (!started) {
return;
}
@ -74,59 +74,63 @@ public final class DebugTextViewHelper extends Player.DefaultEventListener imple
// Player.EventListener implementation.
@Override
public void onPlayerStateChanged(boolean playWhenReady, int playbackState) {
public final void onPlayerStateChanged(boolean playWhenReady, int playbackState) {
updateAndPost();
}
@Override
public void onPositionDiscontinuity(@Player.DiscontinuityReason int reason) {
public final void onPositionDiscontinuity(@Player.DiscontinuityReason int reason) {
updateAndPost();
}
// Runnable implementation.
@Override
public void run() {
public final void run() {
updateAndPost();
}
// Private methods.
// Protected methods.
@SuppressLint("SetTextI18n")
private void updateAndPost() {
textView.setText(getPlayerStateString() + getPlayerWindowIndexString() + getVideoString()
+ getAudioString());
protected final void updateAndPost() {
textView.setText(getDebugString());
textView.removeCallbacks(this);
textView.postDelayed(this, REFRESH_INTERVAL_MS);
}
private String getPlayerStateString() {
String text = "playWhenReady:" + player.getPlayWhenReady() + " playbackState:";
/** Returns the debugging information string to be shown by the target {@link TextView}. */
protected String getDebugString() {
return getPlayerStateString() + getVideoString() + getAudioString();
}
/** Returns a string containing player state debugging information. */
protected String getPlayerStateString() {
String playbackStateString;
switch (player.getPlaybackState()) {
case Player.STATE_BUFFERING:
text += "buffering";
playbackStateString = "buffering";
break;
case Player.STATE_ENDED:
text += "ended";
playbackStateString = "ended";
break;
case Player.STATE_IDLE:
text += "idle";
playbackStateString = "idle";
break;
case Player.STATE_READY:
text += "ready";
playbackStateString = "ready";
break;
default:
text += "unknown";
playbackStateString = "unknown";
break;
}
return text;
return String.format(
"playWhenReady:%s playbackState:%s window:%s",
player.getPlayWhenReady(), playbackStateString, player.getCurrentWindowIndex());
}
private String getPlayerWindowIndexString() {
return " window:" + player.getCurrentWindowIndex();
}
private String getVideoString() {
/** Returns a string containing video debugging information. */
protected String getVideoString() {
Format format = player.getVideoFormat();
if (format == null) {
return "";
@ -136,7 +140,8 @@ public final class DebugTextViewHelper extends Player.DefaultEventListener imple
+ getDecoderCountersBufferCountString(player.getVideoDecoderCounters()) + ")";
}
private String getAudioString() {
/** Returns a string containing audio debugging information. */
protected String getAudioString() {
Format format = player.getAudioFormat();
if (format == null) {
return "";