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Invoke CacheDataSource EventListener.onCacheIgnored once per request

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-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=193480939
This commit is contained in:
eguven 2018-04-19 02:00:15 -07:00 committed by Oliver Woodman
parent 8bbdb1b143
commit 35e3892dbf
1 changed files with 28 additions and 11 deletions
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39
library/core/src/main/java/com/google/android/exoplayer2/upstream/cache/CacheDataSource.java vendored
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@ -85,10 +85,13 @@ public final class CacheDataSource implements DataSource {
@IntDef({CACHE_IGNORED_REASON_ERROR, CACHE_IGNORED_REASON_UNSET_LENGTH})
public @interface CacheIgnoredReason {}
/** Cache ignored due to a cache related error */
/** Cache not ignored. */
private static final int CACHE_NOT_IGNORED = -1;
/** Cache ignored due to a cache related error. */
public static final int CACHE_IGNORED_REASON_ERROR = 0;
/** Cache ignored due to a request with an unset length */
/** Cache ignored due to a request with an unset length. */
public static final int CACHE_IGNORED_REASON_UNSET_LENGTH = 1;
/**
@ -221,8 +224,13 @@ public final class CacheDataSource implements DataSource {
actualUri = loadRedirectedUriOrReturnGivenUri(cache, key, uri);
flags = dataSpec.flags;
readPosition = dataSpec.position;
currentRequestIgnoresCache = (ignoreCacheOnError && seenCacheError)
|| (dataSpec.length == C.LENGTH_UNSET && ignoreCacheForUnsetLengthRequests);
int reason = shouldIgnoreCacheForRequest(dataSpec);
currentRequestIgnoresCache = reason != CACHE_NOT_IGNORED;
if (currentRequestIgnoresCache) {
notifyCacheIgnored(reason);
}
if (dataSpec.length != C.LENGTH_UNSET || currentRequestIgnoresCache) {
bytesRemaining = dataSpec.length;
} else {
@ -317,13 +325,6 @@ public final class CacheDataSource implements DataSource {
CacheSpan nextSpan;
if (currentRequestIgnoresCache) {
nextSpan = null;
if (eventListener != null) {
int reason =
ignoreCacheOnError && seenCacheError
? CACHE_IGNORED_REASON_ERROR
: CACHE_IGNORED_REASON_UNSET_LENGTH;
eventListener.onCacheIgnored(reason);
}
} else if (blockOnCache) {
try {
nextSpan = cache.startReadWrite(key, readPosition);
@ -501,6 +502,22 @@ public final class CacheDataSource implements DataSource {
}
}
private int shouldIgnoreCacheForRequest(DataSpec dataSpec) {
if (ignoreCacheOnError && seenCacheError) {
return CACHE_IGNORED_REASON_ERROR;
} else if (ignoreCacheForUnsetLengthRequests && dataSpec.length == C.LENGTH_UNSET) {
return CACHE_IGNORED_REASON_UNSET_LENGTH;
} else {
return CACHE_NOT_IGNORED;
}
}
private void notifyCacheIgnored(@CacheIgnoredReason int reason) {
if (eventListener != null) {
eventListener.onCacheIgnored(reason);
}
}
private void notifyBytesRead() {
if (eventListener != null && totalCachedBytesRead > 0) {
eventListener.onCachedBytesRead(cache.getCacheSpace(), totalCachedBytesRead);