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Commit 7eed60c9 by eguven Committed by Oliver Woodman
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Add DownloadManager.stopDownloads(int manualStopReason) 

Also removed STOP_FLAG_DOWNLOAD_MANAGER_NOT_READY.

PiperOrigin-RevId: 232669463
parent bdc87a4f
Inline Side-by-side
Showing with 132 additions and 87 deletions
library/core/src/main/java/com/google/android/exoplayer2/offline/DefaultDownloadIndex.java
......@@ -50,6 +50,7 @@ public final class DefaultDownloadIndex implements DownloadIndex {
private static final String COLUMN_FAILURE_REASON = "failure_reason";
private static final String COLUMN_STOP_FLAGS = "stop_flags";
private static final String COLUMN_NOT_MET_REQUIREMENTS = "not_met_requirements";
private static final String COLUMN_MANUAL_STOP_REASON = "manual_stop_reason";
private static final String COLUMN_START_TIME_MS = "start_time_ms";
private static final String COLUMN_UPDATE_TIME_MS = "update_time_ms";
private static final String COLUMN_STREAM_KEYS = "stream_keys";
......@@ -66,10 +67,11 @@ public final class DefaultDownloadIndex implements DownloadIndex {
private static final int COLUMN_INDEX_FAILURE_REASON = 8;
private static final int COLUMN_INDEX_STOP_FLAGS = 9;
private static final int COLUMN_INDEX_NOT_MET_REQUIREMENTS = 10;
private static final int COLUMN_INDEX_START_TIME_MS = 11;
private static final int COLUMN_INDEX_UPDATE_TIME_MS = 12;
private static final int COLUMN_INDEX_STREAM_KEYS = 13;
private static final int COLUMN_INDEX_CUSTOM_METADATA = 14;
private static final int COLUMN_INDEX_MANUAL_STOP_REASON = 11;
private static final int COLUMN_INDEX_START_TIME_MS = 12;
private static final int COLUMN_INDEX_UPDATE_TIME_MS = 13;
private static final int COLUMN_INDEX_STREAM_KEYS = 14;
private static final int COLUMN_INDEX_CUSTOM_METADATA = 15;
private static final String COLUMN_SELECTION_ID = COLUMN_ID + " = ?";
......@@ -86,6 +88,7 @@ public final class DefaultDownloadIndex implements DownloadIndex {
COLUMN_FAILURE_REASON,
COLUMN_STOP_FLAGS,
COLUMN_NOT_MET_REQUIREMENTS,
COLUMN_MANUAL_STOP_REASON,
COLUMN_START_TIME_MS,
COLUMN_UPDATE_TIME_MS,
COLUMN_STREAM_KEYS,
......@@ -119,6 +122,8 @@ public final class DefaultDownloadIndex implements DownloadIndex {
+ " INTEGER NOT NULL,"
+ COLUMN_NOT_MET_REQUIREMENTS
+ " INTEGER NOT NULL,"
+ COLUMN_MANUAL_STOP_REASON
+ " INTEGER NOT NULL,"
+ COLUMN_START_TIME_MS
+ " INTEGER NOT NULL,"
+ COLUMN_UPDATE_TIME_MS
......@@ -194,6 +199,7 @@ public final class DefaultDownloadIndex implements DownloadIndex {
values.put(COLUMN_FAILURE_REASON, downloadState.failureReason);
values.put(COLUMN_STOP_FLAGS, downloadState.stopFlags);
values.put(COLUMN_NOT_MET_REQUIREMENTS, downloadState.notMetRequirements);
values.put(COLUMN_MANUAL_STOP_REASON, downloadState.manualStopReason);
values.put(COLUMN_START_TIME_MS, downloadState.startTimeMs);
values.put(COLUMN_UPDATE_TIME_MS, downloadState.updateTimeMs);
values.put(COLUMN_STREAM_KEYS, encodeStreamKeys(downloadState.streamKeys));
......@@ -260,6 +266,7 @@ public final class DefaultDownloadIndex implements DownloadIndex {
cursor.getInt(COLUMN_INDEX_FAILURE_REASON),
cursor.getInt(COLUMN_INDEX_STOP_FLAGS),
cursor.getInt(COLUMN_INDEX_NOT_MET_REQUIREMENTS),
cursor.getInt(COLUMN_INDEX_MANUAL_STOP_REASON),
cursor.getLong(COLUMN_INDEX_START_TIME_MS),
cursor.getLong(COLUMN_INDEX_UPDATE_TIME_MS),
decodeStreamKeys(cursor.getString(COLUMN_INDEX_STREAM_KEYS)),
......
library/core/src/main/java/com/google/android/exoplayer2/offline/DownloadManager.java
......@@ -25,9 +25,8 @@ import static com.google.android.exoplayer2.offline.DownloadState.STATE_REMOVED;
import static com.google.android.exoplayer2.offline.DownloadState.STATE_REMOVING;
import static com.google.android.exoplayer2.offline.DownloadState.STATE_RESTARTING;
import static com.google.android.exoplayer2.offline.DownloadState.STATE_STOPPED;
import static com.google.android.exoplayer2.offline.DownloadState.STOP_FLAG_DOWNLOAD_MANAGER_NOT_READY;
import static com.google.android.exoplayer2.offline.DownloadState.STOP_FLAG_MANUAL;
import static com.google.android.exoplayer2.offline.DownloadState.STOP_FLAG_REQUIREMENTS_NOT_MET;
import static com.google.android.exoplayer2.offline.DownloadState.STOP_FLAG_STOPPED;
import android.content.Context;
import android.os.ConditionVariable;
......@@ -109,15 +108,17 @@ public final class DownloadManager {
@IntDef({
START_THREAD_SUCCEEDED,
START_THREAD_WAIT_REMOVAL_TO_FINISH,
START_THREAD_WAIT_DOWNLOAD_CANCELATION,
START_THREAD_TOO_MANY_DOWNLOADS
START_THREAD_WAIT_DOWNLOAD_CANCELLATION,
START_THREAD_TOO_MANY_DOWNLOADS,
START_THREAD_NOT_ALLOWED
})
private @interface StartThreadResults {}
private static final int START_THREAD_SUCCEEDED = 0;
private static final int START_THREAD_WAIT_REMOVAL_TO_FINISH = 1;
private static final int START_THREAD_WAIT_DOWNLOAD_CANCELATION = 2;
private static final int START_THREAD_WAIT_DOWNLOAD_CANCELLATION = 2;
private static final int START_THREAD_TOO_MANY_DOWNLOADS = 3;
private static final int START_THREAD_NOT_ALLOWED = 4;
private static final String TAG = "DownloadManager";
private static final boolean DEBUG = false;
......@@ -137,8 +138,9 @@ public final class DownloadManager {
private boolean initialized;
private boolean released;
@DownloadState.StopFlags private int stickyStopFlags;
@DownloadState.StopFlags private int stopFlags;
@Requirements.RequirementFlags private int notMetRequirements;
private int manualStopReason;
private RequirementsWatcher requirementsWatcher;
private int simultaneousDownloads;
......@@ -181,8 +183,8 @@ public final class DownloadManager {
this.downloaderFactory = downloaderFactory;
this.maxSimultaneousDownloads = maxSimultaneousDownloads;
this.minRetryCount = minRetryCount;
this.stickyStopFlags = STOP_FLAG_STOPPED | STOP_FLAG_DOWNLOAD_MANAGER_NOT_READY;
stopFlags = STOP_FLAG_MANUAL;
downloads = new ArrayList<>();
activeDownloads = new HashMap<>();
......@@ -199,7 +201,7 @@ public final class DownloadManager {
listeners = new CopyOnWriteArraySet<>();
actionQueue = new ArrayDeque<>();
watchRequirements(requirements);
setNotMetRequirements(watchRequirements(requirements));
loadActions();
logd("Created");
}
......@@ -241,33 +243,35 @@ public final class DownloadManager {
listeners.remove(listener);
}
/** Starts the downloads. */
/**
* Clears {@link DownloadState#STOP_FLAG_MANUAL} flag of all downloads. Downloads are started if
* the requirements are met.
*/
public void startDownloads() {
clearStopFlags(STOP_FLAG_STOPPED);
logd("manual stopped is cancelled");
manualStopReason = 0;
stopFlags &= ~STOP_FLAG_MANUAL;
for (int i = 0; i < downloads.size(); i++) {
downloads.get(i).clearManualStopReason();
}
}
/** Stops all of the downloads. Call {@link #startDownloads()} to restart downloads. */
/** Signals all downloads to stop. Call {@link #startDownloads()} to let them to be started. */
public void stopDownloads() {
setStopFlags(STOP_FLAG_STOPPED);
}
private void setStopFlags(int flags) {
updateStopFlags(flags, flags);
stopDownloads(0);
}
private void clearStopFlags(int flags) {
updateStopFlags(flags, 0);
}
private void updateStopFlags(int flags, int values) {
Assertions.checkState(!released);
int updatedStickyStopFlags = (values & flags) | (stickyStopFlags & ~flags);
if (stickyStopFlags != updatedStickyStopFlags) {
stickyStopFlags = updatedStickyStopFlags;
for (int i = 0; i < downloads.size(); i++) {
downloads.get(i).updateStopFlags(flags, values);
}
logdFlags("Sticky stop flags are updated", updatedStickyStopFlags);
/**
* Signals all downloads to stop. Call {@link #startDownloads()} to let them to be started.
*
* @param manualStopReason An application defined stop reason.
*/
public void stopDownloads(int manualStopReason) {
logd("downloads are stopped manually");
this.manualStopReason = manualStopReason;
stopFlags |= STOP_FLAG_MANUAL;
for (int i = 0; i < downloads.size(); i++) {
downloads.get(i).setManualStopReason(this.manualStopReason);
}
}
......@@ -341,8 +345,8 @@ public final class DownloadManager {
if (released) {
return;
}
setStopFlags(STOP_FLAG_DOWNLOAD_MANAGER_NOT_READY);
released = true;
stopAllDownloadThreads();
if (requirementsWatcher != null) {
requirementsWatcher.stop();
}
......@@ -361,7 +365,7 @@ public final class DownloadManager {
return;
}
}
Download download = new Download(this, action, stickyStopFlags, notMetRequirements);
Download download = new Download(this, action, stopFlags, notMetRequirements, manualStopReason);
downloads.add(download);
logd("Download is added", download);
}
......@@ -396,17 +400,26 @@ public final class DownloadManager {
}
private void onRequirementsStateChanged(@Requirements.RequirementFlags int notMetRequirements) {
this.notMetRequirements = notMetRequirements;
setNotMetRequirements(notMetRequirements);
logdFlags("Not met requirements are changed", notMetRequirements);
Requirements requirements = requirementsWatcher.getRequirements();
for (Listener listener : listeners) {
listener.onRequirementsStateChanged(
DownloadManager.this, requirementsWatcher.getRequirements(), notMetRequirements);
listener.onRequirementsStateChanged(DownloadManager.this, requirements, notMetRequirements);
}
for (int i = 0; i < downloads.size(); i++) {
downloads.get(i).setNotMetRequirements(notMetRequirements);
}
}
private void setNotMetRequirements(@Requirements.RequirementFlags int notMetRequirements) {
this.notMetRequirements = notMetRequirements;
if (notMetRequirements == 0) {
stopFlags &= ~STOP_FLAG_REQUIREMENTS_NOT_MET;
} else {
stopFlags |= STOP_FLAG_REQUIREMENTS_NOT_MET;
}
}
private void loadActions() {
fileIOHandler.post(
() -> {
......@@ -438,7 +451,9 @@ public final class DownloadManager {
for (Listener listener : listeners) {
listener.onInitialized(DownloadManager.this);
}
clearStopFlags(STOP_FLAG_DOWNLOAD_MANAGER_NOT_READY);
for (int i = 0; i < downloads.size(); i++) {
downloads.get(i).start();
}
});
});
}
......@@ -497,9 +512,12 @@ public final class DownloadManager {
@StartThreadResults
private int startDownloadThread(Download download, DownloadAction action) {
if (!initialized || released) {
return START_THREAD_NOT_ALLOWED;
}
if (activeDownloads.containsKey(download)) {
if (stopDownloadThread(download)) {
return START_THREAD_WAIT_DOWNLOAD_CANCELATION;
return START_THREAD_WAIT_DOWNLOAD_CANCELLATION;
}
return START_THREAD_WAIT_REMOVAL_TO_FINISH;
}
......@@ -526,6 +544,12 @@ public final class DownloadManager {
return false;
}
private void stopAllDownloadThreads() {
for (Download download : activeDownloads.keySet()) {
stopDownloadThread(download);
}
}
private void onDownloadThreadStopped(DownloadThread downloadThread, Throwable finalError) {
Download download = downloadThread.download;
logd("Download is stopped", download);
......@@ -567,18 +591,18 @@ public final class DownloadManager {
@MonotonicNonNull @DownloadState.FailureReason private int failureReason;
@DownloadState.StopFlags private int stopFlags;
@Requirements.RequirementFlags private int notMetRequirements;
private int manualStopReason;
private Download(
DownloadManager downloadManager,
DownloadAction action,
@DownloadState.StopFlags int stopFlags,
@Requirements.RequirementFlags int notMetRequirements) {
@Requirements.RequirementFlags int notMetRequirements,
int manualStopReason) {
this.id = action.id;
this.downloadManager = downloadManager;
this.notMetRequirements = notMetRequirements;
if (notMetRequirements != 0) {
stopFlags |= STOP_FLAG_REQUIREMENTS_NOT_MET;
}
this.manualStopReason = manualStopReason;
this.stopFlags = stopFlags;
this.startTimeMs = System.currentTimeMillis();
actionQueue = new ArrayDeque<>();
......@@ -642,6 +666,7 @@ public final class DownloadManager {
failureReason,
stopFlags,
notMetRequirements,
manualStopReason,
startTimeMs,
/* updateTimeMs= */ System.currentTimeMillis(),
action.keys.toArray(new StreamKey[0]),
......@@ -662,21 +687,34 @@ public final class DownloadManager {
}
public void start() {
if (state == STATE_QUEUED) {
if (state == STATE_QUEUED || state == STATE_DOWNLOADING) {
startOrQueue();
} else if (state == STATE_REMOVING || state == STATE_RESTARTING) {
downloadManager.startDownloadThread(this, actionQueue.peek());
}
}
public void setStopFlags(int flags) {
updateStopFlags(flags, flags);
public void setNotMetRequirements(@Requirements.RequirementFlags int notMetRequirements) {
this.notMetRequirements = notMetRequirements;
updateStopFlags(STOP_FLAG_REQUIREMENTS_NOT_MET, /* setFlags= */ notMetRequirements != 0);
}
public void clearStopFlags(int flags) {
updateStopFlags(flags, 0);
public void setManualStopReason(int manualStopReason) {
this.manualStopReason = manualStopReason;
updateStopFlags(STOP_FLAG_MANUAL, /* setFlags= */ true);
}
public void updateStopFlags(int flags, int values) {
stopFlags = (values & flags) | (stopFlags & ~flags);
public void clearManualStopReason() {
this.manualStopReason = 0;
updateStopFlags(STOP_FLAG_MANUAL, /* setFlags= */ false);
}
private void updateStopFlags(int flags, boolean setFlags) {
if (setFlags) {
stopFlags |= flags;
} else {
stopFlags &= ~flags;
}
if (stopFlags != 0) {
if (state == STATE_DOWNLOADING || state == STATE_QUEUED) {
downloadManager.stopDownloadThread(this);
......@@ -687,21 +725,14 @@ public final class DownloadManager {
}
}
public void setNotMetRequirements(@Requirements.RequirementFlags int notMetRequirements) {
this.notMetRequirements = notMetRequirements;
updateStopFlags(
STOP_FLAG_REQUIREMENTS_NOT_MET,
notMetRequirements != 0 ? STOP_FLAG_REQUIREMENTS_NOT_MET : 0);
}
private void initialize() {
DownloadAction action = actionQueue.peek();
if (action.isRemoveAction) {
if (!downloadManager.released) {
int result = downloadManager.startDownloadThread(this, action);
Assertions.checkState(
result == START_THREAD_SUCCEEDED || result == START_THREAD_WAIT_DOWNLOAD_CANCELATION);
}
int result = downloadManager.startDownloadThread(this, action);
Assertions.checkState(
result == START_THREAD_SUCCEEDED
|| result == START_THREAD_WAIT_DOWNLOAD_CANCELLATION
|| result == START_THREAD_NOT_ALLOWED);
setState(actionQueue.size() == 1 ? STATE_REMOVING : STATE_RESTARTING);
} else if (stopFlags != 0) {
setState(STATE_STOPPED);
......@@ -715,10 +746,10 @@ public final class DownloadManager {
Assertions.checkState(!action.isRemoveAction);
@StartThreadResults int result = downloadManager.startDownloadThread(this, action);
Assertions.checkState(result != START_THREAD_WAIT_REMOVAL_TO_FINISH);
if (result == START_THREAD_TOO_MANY_DOWNLOADS) {
setState(STATE_QUEUED);
} else {
if (result == START_THREAD_SUCCEEDED || result == START_THREAD_WAIT_DOWNLOAD_CANCELLATION) {
setState(STATE_DOWNLOADING);
} else {
setState(STATE_QUEUED);
}
}
......
library/core/src/main/java/com/google/android/exoplayer2/offline/DownloadState.java
......@@ -20,6 +20,7 @@ import android.support.annotation.IntDef;
import android.support.annotation.Nullable;
import com.google.android.exoplayer2.C;
import com.google.android.exoplayer2.scheduler.Requirements;
import com.google.android.exoplayer2.scheduler.Requirements.RequirementFlags;
import com.google.android.exoplayer2.util.Assertions;
import java.lang.annotation.Documented;
import java.lang.annotation.Retention;
......@@ -76,25 +77,19 @@ public final class DownloadState {
public static final int FAILURE_REASON_UNKNOWN = 1;
/**
* Download stop flags. Possible flag values are {@link #STOP_FLAG_DOWNLOAD_MANAGER_NOT_READY} and
* {@link #STOP_FLAG_STOPPED}.
* Download stop flags. Possible flag values are {@link #STOP_FLAG_MANUAL} and {@link
* #STOP_FLAG_REQUIREMENTS_NOT_MET}.
*/
@Documented
@Retention(RetentionPolicy.SOURCE)
@IntDef(
flag = true,
value = {
STOP_FLAG_DOWNLOAD_MANAGER_NOT_READY,
STOP_FLAG_STOPPED,
STOP_FLAG_REQUIREMENTS_NOT_MET
})
value = {STOP_FLAG_MANUAL, STOP_FLAG_REQUIREMENTS_NOT_MET})
public @interface StopFlags {}
/** Download can't be started as the manager isn't ready. */
public static final int STOP_FLAG_DOWNLOAD_MANAGER_NOT_READY = 1;
/** Download is stopped by the application. */
public static final int STOP_FLAG_STOPPED = 1 << 1;
public static final int STOP_FLAG_MANUAL = 1;
/** Download is stopped as the requirements are not met. */
public static final int STOP_FLAG_REQUIREMENTS_NOT_MET = 1 << 2;
public static final int STOP_FLAG_REQUIREMENTS_NOT_MET = 1 << 1;
/** Returns the state string for the given state value. */
public static String getStateString(@State int state) {
......@@ -165,6 +160,8 @@ public final class DownloadState {
@StopFlags public final int stopFlags;
/** Not met requirements to download. */
@Requirements.RequirementFlags public final int notMetRequirements;
/** If {@link #STOP_FLAG_MANUAL} is set then this field holds the manual stop reason. */
public final int manualStopReason;
/**
* Creates a {@link DownloadState} using a {@link DownloadAction}.
......@@ -188,6 +185,7 @@ public final class DownloadState {
FAILURE_REASON_NONE,
/* stopFlags= */ 0,
/* notMetRequirements= */ 0,
/* manualStopReason= */ 0,
/* startTimeMs= */ currentTimeMs,
/* updateTimeMs= */ currentTimeMs,
action.keys.toArray(new StreamKey[0]),
......@@ -205,18 +203,17 @@ public final class DownloadState {
long totalBytes,
@FailureReason int failureReason,
@StopFlags int stopFlags,
@Requirements.RequirementFlags int notMetRequirements,
@RequirementFlags int notMetRequirements,
int manualStopReason,
long startTimeMs,
long updateTimeMs,
StreamKey[] streamKeys,
byte[] customMetadata) {
Assertions.checkState(
failureReason == FAILURE_REASON_NONE ? state != STATE_FAILED : state == STATE_FAILED);
Assertions.checkState((failureReason == FAILURE_REASON_NONE) == (state != STATE_FAILED));
Assertions.checkState(stopFlags == 0 || (state != STATE_DOWNLOADING && state != STATE_QUEUED));
Assertions.checkState(
(stopFlags & STOP_FLAG_REQUIREMENTS_NOT_MET) == 0
? notMetRequirements == 0
: notMetRequirements != 0);
((stopFlags & STOP_FLAG_REQUIREMENTS_NOT_MET) == 0) == (notMetRequirements == 0));
Assertions.checkState(((stopFlags & STOP_FLAG_MANUAL) != 0) || (manualStopReason == 0));
this.id = id;
this.type = type;
this.uri = uri;
......@@ -228,6 +225,7 @@ public final class DownloadState {
this.failureReason = failureReason;
this.stopFlags = stopFlags;
this.notMetRequirements = notMetRequirements;
this.manualStopReason = manualStopReason;
this.startTimeMs = startTimeMs;
this.updateTimeMs = updateTimeMs;
this.streamKeys = streamKeys;
......@@ -256,6 +254,7 @@ public final class DownloadState {
FAILURE_REASON_NONE,
stopFlags,
notMetRequirements,
manualStopReason,
startTimeMs,
updateTimeMs,
mergeStreamKeys(this, action),
......
library/core/src/test/java/com/google/android/exoplayer2/offline/DefaultDownloadIndexTest.java
......@@ -77,8 +77,10 @@ public class DefaultDownloadIndexTest {
.setDownloadedBytes(200)
.setTotalBytes(400)
.setFailureReason(DownloadState.FAILURE_REASON_UNKNOWN)
.setStopFlags(DownloadState.STOP_FLAG_REQUIREMENTS_NOT_MET)
.setStopFlags(
DownloadState.STOP_FLAG_REQUIREMENTS_NOT_MET | DownloadState.STOP_FLAG_MANUAL)
.setNotMetRequirements(0x87654321)
.setManualStopReason(0x12345678)
.setStartTimeMs(10)
.setUpdateTimeMs(20)
.setStreamKeys(
......@@ -206,5 +208,4 @@ public class DefaultDownloadIndexTest {
assertThat(VersionTable.getVersion(writableDatabase, VersionTable.FEATURE_OFFLINE))
.isEqualTo(DefaultDownloadIndex.TABLE_VERSION);
}
}
library/core/src/test/java/com/google/android/exoplayer2/offline/DownloadStateBuilder.java
......@@ -38,6 +38,7 @@ class DownloadStateBuilder {
private int failureReason;
private int stopFlags;
private int notMetRequirements;
private int manualStopReason;
private long startTimeMs;
private long updateTimeMs;
private StreamKey[] streamKeys;
......@@ -140,6 +141,11 @@ class DownloadStateBuilder {
return this;
}
public DownloadStateBuilder setManualStopReason(int manualStopReason) {
this.manualStopReason = manualStopReason;
return this;
}
public DownloadStateBuilder setStartTimeMs(long startTimeMs) {
this.startTimeMs = startTimeMs;
return this;
......@@ -173,6 +179,7 @@ class DownloadStateBuilder {
failureReason,
stopFlags,
notMetRequirements,
manualStopReason,
startTimeMs,
updateTimeMs,
streamKeys,
......
library/core/src/test/java/com/google/android/exoplayer2/offline/DownloadStateTest.java
......@@ -171,7 +171,7 @@ public class DownloadStateTest {
DownloadStateBuilder downloadStateBuilder =
new DownloadStateBuilder(downloadAction)
.setState(DownloadState.STATE_STOPPED)
.setStopFlags(DownloadState.STOP_FLAG_STOPPED);
.setStopFlags(DownloadState.STOP_FLAG_MANUAL);
DownloadState downloadState = downloadStateBuilder.build();
DownloadState mergedDownloadState = downloadState.mergeAction(downloadAction);
......@@ -185,7 +185,7 @@ public class DownloadStateTest {
DownloadStateBuilder downloadStateBuilder =
new DownloadStateBuilder(downloadAction)
.setState(DownloadState.STATE_STOPPED)
.setStopFlags(DownloadState.STOP_FLAG_STOPPED);
.setStopFlags(DownloadState.STOP_FLAG_MANUAL);
DownloadState downloadState = downloadStateBuilder.build();
DownloadState mergedDownloadState = downloadState.mergeAction(downloadAction);
......
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