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Move listener invocation classes to BasePlayer

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PiperOrigin-RevId: 222609579
This commit is contained in:
aquilescanta 2018-11-23 11:46:24 +00:00 committed by Oliver Woodman
parent 1a9705e247
commit fe41f17c38
2 changed files with 54 additions and 42 deletions
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54
library/core/src/main/java/com/google/android/exoplayer2/BasePlayer.java
View File

@ -135,4 +135,58 @@ public abstract class BasePlayer implements Player {
@RepeatMode int repeatMode = getRepeatMode();
return repeatMode == REPEAT_MODE_ONE ? REPEAT_MODE_OFF : repeatMode;
}
/** Holds a listener reference. */
protected static final class ListenerHolder {
/**
* The listener on which {link #invoke} will execute {@link ListenerInvocation listener
* invocations}.
*/
public final Player.EventListener listener;
private boolean released;
public ListenerHolder(Player.EventListener listener) {
this.listener = listener;
}
/** Prevents any further {@link ListenerInvocation} to be executed on {@link #listener}. */
public void release() {
released = true;
}
/**
* Executes the given {@link ListenerInvocation} on {@link #listener}. Does nothing if {@link
* #release} has been called on this instance.
*/
public void invoke(ListenerInvocation listenerInvocation) {
if (!released) {
listenerInvocation.invokeListener(listener);
}
}
@Override
public boolean equals(@Nullable Object other) {
if (this == other) {
return true;
}
if (other == null || getClass() != other.getClass()) {
return false;
}
return listener.equals(((ListenerHolder) other).listener);
}
@Override
public int hashCode() {
return listener.hashCode();
}
}
/** Parameterized invocation of a {@link Player.EventListener} method. */
protected interface ListenerInvocation {
/** Executes the invocation on the given {@link Player.EventListener}. */
void invokeListener(Player.EventListener listener);
}
}

42
library/core/src/main/java/com/google/android/exoplayer2/ExoPlayerImpl.java
View File

@ -809,46 +809,4 @@ import java.util.concurrent.CopyOnWriteArrayList;
listenerHolder.invoke(listenerInvocation);
}
}
private interface ListenerInvocation {
void invokeListener(Player.EventListener listener);
}
private static final class ListenerHolder {
private final Player.EventListener listener;
private boolean released;
public ListenerHolder(Player.EventListener listener) {
this.listener = listener;
}
public void release() {
released = true;
}
public void invoke(ListenerInvocation listenerInvocation) {
if (!released) {
listenerInvocation.invokeListener(listener);
}
}
@Override
public boolean equals(Object other) {
if (this == other) {
return true;
}
if (other == null || getClass() != other.getClass()) {
return false;
}
return listener.equals(((ListenerHolder) other).listener);
}
@Override
public int hashCode() {
return listener.hashCode();
}
}
}