Merge pull request #1580 from colinkho:main

PiperOrigin-RevId: 665330328
This commit is contained in:
Copybara-Service 2024-08-20 06:17:20 -07:00
commit 24f3856ea4

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@ -90,6 +90,19 @@ public final class Loader implements LoaderErrorThrower {
/** A callback to be notified of {@link Loader} events. */
public interface Callback<T extends Loadable> {
/**
* Called when a load has started for the first time or through a retry.
*
* @param loadable The loadable whose load has completed.
* @param elapsedRealtimeMs {@link SystemClock#elapsedRealtime} when the load attempts to start.
* @param loadDurationMs The duration in milliseconds of the load since {@link #startLoading}
* was called.
* @param retryCount The number of failed attempts since {@link #startLoading} was called (this
* is zero for the first load attempt).
*/
default void onLoadStarted(
T loadable, long elapsedRealtimeMs, long loadDurationMs, int retryCount) {}
/**
* Called when a load has completed.
*
@ -531,6 +544,9 @@ public final class Loader implements LoaderErrorThrower {
}
private void execute() {
long nowMs = SystemClock.elapsedRealtime();
long durationMs = nowMs - startTimeMs;
Assertions.checkNotNull(this.callback).onLoadStarted(loadable, nowMs, durationMs, errorCount);
currentError = null;
downloadExecutor.execute(Assertions.checkNotNull(currentTask));
}