Clean up offline class names

This change is intended to resolve overloading of "Download",
where a DownloadTask could be an actual download task, or a
remove task.

Also cleaned up some documentation.

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=194815058
This commit is contained in:
olly 2018-04-30 11:17:04 -07:00 committed by Oliver Woodman
parent c68e00e28f
commit 7723f5bdf1
8 changed files with 187 additions and 195 deletions

View File

@ -18,7 +18,7 @@ package com.google.android.exoplayer2.demo;
import android.app.Notification;
import android.util.Pair;
import com.google.android.exoplayer2.offline.DownloadManager;
import com.google.android.exoplayer2.offline.DownloadManager.DownloadState;
import com.google.android.exoplayer2.offline.DownloadManager.TaskState;
import com.google.android.exoplayer2.offline.DownloadService;
import com.google.android.exoplayer2.offline.DownloaderConstructorHelper;
import com.google.android.exoplayer2.offline.ProgressiveDownloadAction;
@ -75,21 +75,21 @@ public class DemoDownloadService extends DownloadService {
}
@Override
protected Notification getForegroundNotification(DownloadState[] downloadStates) {
protected Notification getForegroundNotification(TaskState[] taskStates) {
return DownloadNotificationUtil.createProgressNotification(
downloadStates, this, R.drawable.exo_controls_play, CHANNEL_ID, null);
taskStates, this, R.drawable.exo_controls_play, CHANNEL_ID, null);
}
@Override
protected void onStateChange(DownloadState downloadState) {
int notificationId = FOREGROUND_NOTIFICATION_ID + 1 + downloadState.taskId;
protected void onTaskStateChanged(TaskState taskState) {
int notificationId = FOREGROUND_NOTIFICATION_ID + 1 + taskState.taskId;
Notification downloadNotification =
DownloadNotificationUtil.createDownloadFinishedNotification(
downloadState,
taskState,
this,
R.drawable.exo_controls_play,
CHANNEL_ID,
downloadState.downloadAction.data,
taskState.action.data,
new ErrorMessageProvider<Throwable>() {
@Override
public Pair<Integer, String> getErrorMessage(Throwable throwable) {

View File

@ -43,7 +43,7 @@ public abstract class DownloadAction {
}
/**
* Deserializes a {@link DownloadAction} from the {@code input}.
* Deserializes an action from the {@code input}.
*
* @param version Version of the data.
* @param input DataInputStream to read data from.
@ -55,17 +55,17 @@ public abstract class DownloadAction {
}
/**
* Deserializes one {@code action} which was serialized by {@link
* #serializeToStream(DownloadAction, OutputStream)} from the {@code input} using one of the
* {@link Deserializer}s which supports the type of the action.
* Deserializes one action that was serialized with {@link #serializeToStream(DownloadAction,
* OutputStream)} from the {@code input}, using the {@link Deserializer}s that supports the
* action's type.
*
* <p>The caller is responsible for closing the given {@link InputStream}.
*
* @param deserializers Array of {@link Deserializer}s to deserialize a {@link DownloadAction}.
* @param deserializers {@link Deserializer}s for supported actions.
* @param input Input stream to read serialized data.
* @return The deserialized {@link DownloadAction}.
* @throws IOException If there is an IO error from {@code input} or the action type isn't
* supported by any of the {@code deserializers}.
* @return The deserialized action.
* @throws IOException If there is an IO error reading from {@code input}, or if the action type
* isn't supported by any of the {@code deserializers}.
*/
public static DownloadAction deserializeFromStream(
Deserializer[] deserializers, InputStream input) throws IOException {
@ -79,10 +79,10 @@ public abstract class DownloadAction {
*
* <p>The caller is responsible for closing the given {@link InputStream}.
*
* @param deserializers Array of {@link Deserializer}s to deserialize a {@link DownloadAction}.
* @param deserializers {@link Deserializer}s for supported actions.
* @param input Input stream to read serialized data.
* @param version Master version of the serialization. See {@link DownloadAction#MASTER_VERSION}.
* @return The deserialized {@link DownloadAction}.
* @return The deserialized action.
* @throws IOException If there is an IO error from {@code input}.
* @throws DownloadException If the action type isn't supported by any of the {@code
* deserializers}.

View File

@ -15,17 +15,18 @@
*/
package com.google.android.exoplayer2.offline;
import static com.google.android.exoplayer2.offline.DownloadManager.DownloadState.STATE_CANCELED;
import static com.google.android.exoplayer2.offline.DownloadManager.DownloadState.STATE_ENDED;
import static com.google.android.exoplayer2.offline.DownloadManager.DownloadState.STATE_ERROR;
import static com.google.android.exoplayer2.offline.DownloadManager.DownloadState.STATE_QUEUED;
import static com.google.android.exoplayer2.offline.DownloadManager.DownloadState.STATE_STARTED;
import static com.google.android.exoplayer2.offline.DownloadManager.TaskState.STATE_CANCELED;
import static com.google.android.exoplayer2.offline.DownloadManager.TaskState.STATE_ENDED;
import static com.google.android.exoplayer2.offline.DownloadManager.TaskState.STATE_ERROR;
import static com.google.android.exoplayer2.offline.DownloadManager.TaskState.STATE_QUEUED;
import static com.google.android.exoplayer2.offline.DownloadManager.TaskState.STATE_STARTED;
import android.os.ConditionVariable;
import android.os.Handler;
import android.os.HandlerThread;
import android.os.Looper;
import android.support.annotation.IntDef;
import android.support.annotation.Nullable;
import android.util.Log;
import com.google.android.exoplayer2.C;
import com.google.android.exoplayer2.offline.DownloadAction.Deserializer;
@ -43,24 +44,24 @@ import java.util.concurrent.CopyOnWriteArraySet;
/**
* Manages multiple stream download and remove requests.
*
* <p>By default downloads are stopped. Call {@link #startDownloads()} to start downloads.
* <p>A download manager instance must be accessed only from the thread that created it, unless that
* thread does not have a {@link Looper}. In that case, it must be accessed only from the
* application's main thread. Registered listeners will be called on the same thread.
*
* <p>WARNING: Methods of this class must be called only on the main thread of the application.
* <p>By default download tasks are stopped, so {@link #startDownloads()} must be called to start
* them.
*/
public final class DownloadManager {
/**
* Listener for download events. Listener methods are called on the main thread of the
* application.
*/
/** Listener for {@link DownloadManager} events. */
public interface DownloadListener {
/**
* Called on download state change.
* Called when the state of a task changes.
*
* @param downloadManager The reporting instance.
* @param downloadState The download task.
* @param taskState The state of the task.
*/
void onStateChange(DownloadManager downloadManager, DownloadState downloadState);
void onTaskStateChanged(DownloadManager downloadManager, TaskState taskState);
/**
* Called when there is no active task left.
@ -70,9 +71,9 @@ public final class DownloadManager {
void onIdle(DownloadManager downloadManager);
}
/** The default maximum number of simultaneous downloads. */
/** The default maximum number of simultaneous download tasks. */
public static final int DEFAULT_MAX_SIMULTANEOUS_DOWNLOADS = 1;
/** The default minimum number of times the downloads must be retried before failing. */
/** The default minimum number of times a task must be retried before failing. */
public static final int DEFAULT_MIN_RETRY_COUNT = 5;
private static final String TAG = "DownloadManager";
@ -83,8 +84,8 @@ public final class DownloadManager {
private final int minRetryCount;
private final ActionFile actionFile;
private final DownloadAction.Deserializer[] deserializers;
private final ArrayList<DownloadTask> tasks;
private final ArrayList<DownloadTask> activeDownloadTasks;
private final ArrayList<Task> tasks;
private final ArrayList<Task> activeDownloadTasks;
private final Handler handler;
private final HandlerThread fileIOThread;
private final Handler fileIOHandler;
@ -140,8 +141,8 @@ public final class DownloadManager {
*
* @param constructorHelper A {@link DownloaderConstructorHelper} to create {@link Downloader}s
* for downloading data.
* @param maxSimultaneousDownloads The maximum number of simultaneous downloads.
* @param minRetryCount The minimum number of times the downloads must be retried before failing.
* @param maxSimultaneousDownloads The maximum number of simultaneous download tasks.
* @param minRetryCount The minimum number of times a task must be retried before failing.
* @param actionFile The file in which active actions are saved.
* @param deserializers Used to deserialize {@link DownloadAction}s.
*/
@ -151,8 +152,7 @@ public final class DownloadManager {
int minRetryCount,
File actionFile,
Deserializer... deserializers) {
Assertions.checkArgument(
deserializers.length > 0, "At least one Deserializer should be given.");
Assertions.checkArgument(deserializers.length > 0, "At least one Deserializer is required.");
this.downloaderConstructorHelper = constructorHelper;
this.maxActiveDownloadTasks = maxSimultaneousDownloads;
@ -177,7 +177,7 @@ public final class DownloadManager {
listeners = new CopyOnWriteArraySet<>();
loadActions();
logd("DownloadManager is created");
logd("Created");
}
/**
@ -198,7 +198,7 @@ public final class DownloadManager {
});
fileIOFinishedCondition.block();
fileIOThread.quit();
logd("DownloadManager is released");
logd("Released");
}
/** Stops all of the download tasks. Call {@link #startDownloads()} to restart tasks. */
@ -240,12 +240,12 @@ public final class DownloadManager {
}
/**
* Deserializes one {@link DownloadAction} from {@code actionData} and calls {@link
* Deserializes an action from {@code actionData}, and calls {@link
* #handleAction(DownloadAction)}.
*
* @param actionData Serialized {@link DownloadAction} data.
* @return The task id.
* @throws IOException If an error occurs during handling action.
* @param actionData Serialized version of the action to be executed.
* @return The id of the newly created task.
* @throws IOException If an error occurs deserializing the action.
*/
public int handleAction(byte[] actionData) throws IOException {
ByteArrayInputStream input = new ByteArrayInputStream(actionData);
@ -254,41 +254,40 @@ public final class DownloadManager {
}
/**
* Handles the given {@link DownloadAction}. A task is created and added to the task queue. If
* it's a remove action then this method cancels any download tasks which works on the same media
* immediately.
* Handles the given action. A task is created and added to the task queue. If it's a remove
* action then any download tasks for the same media are immediately canceled.
*
* @param downloadAction Action to be executed.
* @return The task id.
* @param action The action to be executed.
* @return The id of the newly created task.
*/
public int handleAction(DownloadAction downloadAction) {
DownloadTask downloadTask = createDownloadTask(downloadAction);
public int handleAction(DownloadAction action) {
Task task = createTask(action);
saveActions();
if (downloadsStopped && !downloadAction.isRemoveAction) {
logd("Can't start the task as downloads are stopped", downloadTask);
if (downloadsStopped && !action.isRemoveAction) {
logd("Can't start the task as downloads are stopped", task);
} else {
maybeStartTasks();
}
return downloadTask.id;
return task.id;
}
private DownloadTask createDownloadTask(DownloadAction downloadAction) {
DownloadTask downloadTask = new DownloadTask(nextTaskId++, this, downloadAction, minRetryCount);
tasks.add(downloadTask);
logd("Task is added", downloadTask);
notifyListenersTaskStateChange(downloadTask);
return downloadTask;
private Task createTask(DownloadAction action) {
Task task = new Task(nextTaskId++, this, action, minRetryCount);
tasks.add(task);
logd("Task is added", task);
notifyListenersTaskStateChange(task);
return task;
}
/** Returns number of tasks. */
/** Returns the current number of tasks. */
public int getTaskCount() {
return tasks.size();
}
/** Returns a {@link DownloadTask} for a task. */
public DownloadState getDownloadState(int taskId) {
/** Returns the state of a task, or null if no such task exists */
public @Nullable TaskState getTaskState(int taskId) {
for (int i = 0; i < tasks.size(); i++) {
DownloadTask task = tasks.get(i);
Task task = tasks.get(i);
if (task.id == taskId) {
return task.getDownloadState();
}
@ -296,14 +295,13 @@ public final class DownloadManager {
return null;
}
/** Returns {@link DownloadState}s for all tasks. */
public DownloadState[] getDownloadStates() {
return getDownloadStates(tasks);
/** Returns the states of all current tasks. */
public TaskState[] getAllTaskStates() {
TaskState[] states = new TaskState[tasks.size()];
for (int i = 0; i < states.length; i++) {
states[i] = tasks.get(i).getDownloadState();
}
/** Returns an array of {@link DownloadState}s for active download tasks. */
public DownloadState[] getActiveDownloadStates() {
return getDownloadStates(activeDownloadTasks);
return states;
}
/** Returns whether there are no active tasks. */
@ -339,12 +337,12 @@ public final class DownloadManager {
boolean skipDownloadActions = downloadsStopped
|| activeDownloadTasks.size() == maxActiveDownloadTasks;
for (int i = 0; i < tasks.size(); i++) {
DownloadTask downloadTask = tasks.get(i);
if (!downloadTask.canStart()) {
Task task = tasks.get(i);
if (!task.canStart()) {
continue;
}
DownloadAction downloadAction = downloadTask.downloadAction;
DownloadAction downloadAction = task.action;
boolean removeAction = downloadAction.isRemoveAction;
if (!removeAction && skipDownloadActions) {
continue;
@ -352,14 +350,14 @@ public final class DownloadManager {
boolean canStartTask = true;
for (int j = 0; j < i; j++) {
DownloadTask task = tasks.get(j);
if (task.downloadAction.isSameMedia(downloadAction)) {
Task otherTask = tasks.get(j);
if (otherTask.action.isSameMedia(downloadAction)) {
if (removeAction) {
canStartTask = false;
logd(downloadTask + " clashes with " + task);
task.cancel();
logd(task + " clashes with " + otherTask);
otherTask.cancel();
// Continue loop to cancel any other preceding clashing tasks.
} else if (task.downloadAction.isRemoveAction) {
} else if (otherTask.action.isRemoveAction) {
canStartTask = false;
skipDownloadActions = true;
break;
@ -368,9 +366,9 @@ public final class DownloadManager {
}
if (canStartTask) {
downloadTask.start();
task.start();
if (!removeAction) {
activeDownloadTasks.add(downloadTask);
activeDownloadTasks.add(task);
skipDownloadActions = activeDownloadTasks.size() == maxActiveDownloadTasks;
}
}
@ -387,18 +385,18 @@ public final class DownloadManager {
}
}
private void onTaskStateChange(DownloadTask downloadTask) {
private void onTaskStateChange(Task task) {
if (released) {
return;
}
logd("Task state is changed", downloadTask);
boolean stopped = !downloadTask.isActive();
logd("Task state is changed", task);
boolean stopped = !task.isActive();
if (stopped) {
activeDownloadTasks.remove(downloadTask);
activeDownloadTasks.remove(task);
}
notifyListenersTaskStateChange(downloadTask);
if (downloadTask.isFinished()) {
tasks.remove(downloadTask);
notifyListenersTaskStateChange(task);
if (task.isFinished()) {
tasks.remove(task);
saveActions();
}
if (stopped) {
@ -407,10 +405,10 @@ public final class DownloadManager {
}
}
private void notifyListenersTaskStateChange(DownloadTask downloadTask) {
DownloadState downloadState = downloadTask.getDownloadState();
private void notifyListenersTaskStateChange(Task task) {
TaskState taskState = task.getDownloadState();
for (DownloadListener listener : listeners) {
listener.onStateChange(this, downloadState);
listener.onTaskStateChanged(this, taskState);
}
}
@ -434,7 +432,7 @@ public final class DownloadManager {
public void run() {
try {
for (DownloadAction action : actions) {
createDownloadTask(action);
createTask(action);
}
logd("Tasks are created.");
maybeStartTasks();
@ -454,7 +452,7 @@ public final class DownloadManager {
}
final DownloadAction[] actions = new DownloadAction[tasks.size()];
for (int i = 0; i < tasks.size(); i++) {
actions[i] = tasks.get(i).downloadAction;
actions[i] = tasks.get(i).action;
}
fileIOHandler.post(new Runnable() {
@Override
@ -475,21 +473,12 @@ public final class DownloadManager {
}
}
private void logd(String message, DownloadTask task) {
private void logd(String message, Task task) {
logd(message + ": " + task);
}
private static DownloadState[] getDownloadStates(ArrayList<DownloadTask> tasks) {
DownloadState[] states = new DownloadState[tasks.size()];
for (int i = 0; i < tasks.size(); i++) {
DownloadTask task = tasks.get(i);
states[i] = task.getDownloadState();
}
return states;
}
/** Represents state of a download task. */
public static final class DownloadState {
/** Represents state of a task. */
public static final class TaskState {
/**
* Task states.
@ -534,12 +523,13 @@ public final class DownloadManager {
}
}
/** Unique id of the task. */
/** The unique task id. */
public final int taskId;
/** The {@link DownloadAction} which is being executed. */
public final DownloadAction downloadAction;
/** The state of the task. See {@link State}. */
/** The action being executed. */
public final DownloadAction action;
/** The state of the task. */
public final @State int state;
/**
* The estimated download percentage, or {@link C#PERCENTAGE_UNSET} if no estimate is available
* or if this is a removal task.
@ -547,18 +537,19 @@ public final class DownloadManager {
public final float downloadPercentage;
/** The total number of downloaded bytes. */
public final long downloadedBytes;
/** If {@link #state} is {@link #STATE_ERROR} then this is the cause, otherwise null. */
public final Throwable error;
private DownloadState(
private TaskState(
int taskId,
DownloadAction downloadAction,
DownloadAction action,
@State int state,
float downloadPercentage,
long downloadedBytes,
Throwable error) {
this.taskId = taskId;
this.downloadAction = downloadAction;
this.action = action;
this.state = state;
this.downloadPercentage = downloadPercentage;
this.downloadedBytes = downloadedBytes;
@ -567,7 +558,7 @@ public final class DownloadManager {
}
private static final class DownloadTask implements Runnable {
private static final class Task implements Runnable {
/**
* Task states.
@ -607,26 +598,26 @@ public final class DownloadManager {
private final int id;
private final DownloadManager downloadManager;
private final DownloadAction downloadAction;
private final DownloadAction action;
private final int minRetryCount;
private volatile @InternalState int currentState;
private volatile Downloader downloader;
private Thread thread;
private Throwable error;
private DownloadTask(
int id, DownloadManager downloadManager, DownloadAction downloadAction, int minRetryCount) {
private Task(
int id, DownloadManager downloadManager, DownloadAction action, int minRetryCount) {
this.id = id;
this.downloadManager = downloadManager;
this.downloadAction = downloadAction;
this.action = action;
this.currentState = STATE_QUEUED;
this.minRetryCount = minRetryCount;
}
public DownloadState getDownloadState() {
public TaskState getDownloadState() {
int externalState = getExternalState();
return new DownloadState(
id, downloadAction, externalState, getDownloadPercentage(), getDownloadedBytes(), error);
return new TaskState(
id, action, externalState, getDownloadPercentage(), getDownloadedBytes(), error);
}
/** Returns whether the task is finished. */
@ -662,11 +653,11 @@ public final class DownloadManager {
if (!DEBUG) {
return super.toString();
}
return downloadAction.type
return action.type
+ ' '
+ (downloadAction.isRemoveAction ? "remove" : "download")
+ (action.isRemoveAction ? "remove" : "download")
+ ' '
+ downloadAction.data
+ action.data
+ ' '
+ getStateString();
}
@ -679,7 +670,7 @@ public final class DownloadManager {
case STATE_STARTED_STOPPING:
return "STOPPING";
default:
return DownloadState.getStateString(currentState);
return TaskState.getStateString(currentState);
}
}
@ -740,7 +731,7 @@ public final class DownloadManager {
this.error = error;
boolean isInternalState = currentState != getExternalState();
if (!isInternalState) {
downloadManager.onTaskStateChange(DownloadTask.this);
downloadManager.onTaskStateChange(this);
}
return true;
}
@ -749,11 +740,11 @@ public final class DownloadManager {
@Override
public void run() {
downloadManager.logd("Task is started", DownloadTask.this);
downloadManager.logd("Task is started", this);
Throwable error = null;
try {
downloader = downloadAction.createDownloader(downloadManager.downloaderConstructorHelper);
if (downloadAction.isRemoveAction) {
downloader = action.createDownloader(downloadManager.downloaderConstructorHelper);
if (action.isRemoveAction) {
downloader.remove();
} else {
int errorCount = 0;

View File

@ -25,7 +25,7 @@ import android.os.Looper;
import android.support.annotation.Nullable;
import android.support.annotation.StringRes;
import android.util.Log;
import com.google.android.exoplayer2.offline.DownloadManager.DownloadState;
import com.google.android.exoplayer2.offline.DownloadManager.TaskState;
import com.google.android.exoplayer2.scheduler.Requirements;
import com.google.android.exoplayer2.scheduler.RequirementsWatcher;
import com.google.android.exoplayer2.scheduler.Scheduler;
@ -272,21 +272,25 @@ public abstract class DownloadService extends Service {
/**
* Returns a notification to be displayed when this service running in the foreground.
*
* <p>This method is called when there is a download task state change and periodically while
* there is an active download. Update interval can be set using {@link #DownloadService(int,
* <p>This method is called when there is a task state change and periodically while there are
* active tasks. The periodic update interval can be set using {@link #DownloadService(int,
* long)}.
*
* <p>On API level 26 and above, it may be also called just before the service stops with an empty
* {@code downloadStates} array, returned notification is used to satisfy system requirements for
* foreground services.
* <p>On API level 26 and above, this method may also be called just before the service stops,
* with an empty {@code taskStates} array. The returned notification is used to satisfy system
* requirements for foreground services.
*
* @param downloadStates DownloadState for all tasks.
* @return A notification to be displayed when this service running in the foreground.
* @param taskStates The states of all current tasks.
* @return The foreground notification to display.
*/
protected abstract Notification getForegroundNotification(DownloadState[] downloadStates);
protected abstract Notification getForegroundNotification(TaskState[] taskStates);
/** Called when the download state changes. */
protected void onStateChange(DownloadState downloadState) {
/**
* Called when the state of a task changes.
*
* @param taskState The state of the task.
*/
protected void onTaskStateChanged(TaskState taskState) {
// Do nothing.
}
@ -308,9 +312,9 @@ public abstract class DownloadService extends Service {
private final class DownloadListener implements DownloadManager.DownloadListener {
@Override
public void onStateChange(DownloadManager downloadManager, DownloadState downloadState) {
DownloadService.this.onStateChange(downloadState);
if (downloadState.state == DownloadState.STATE_STARTED) {
public void onTaskStateChanged(DownloadManager downloadManager, TaskState taskState) {
DownloadService.this.onTaskStateChanged(taskState);
if (taskState.state == TaskState.STATE_STARTED) {
foregroundNotificationUpdater.startPeriodicUpdates();
} else {
foregroundNotificationUpdater.update();
@ -349,8 +353,8 @@ public abstract class DownloadService extends Service {
}
public void update() {
DownloadState[] downloadStates = downloadManager.getDownloadStates();
startForeground(notificationId, getForegroundNotification(downloadStates));
TaskState[] taskStates = downloadManager.getAllTaskStates();
startForeground(notificationId, getForegroundNotification(taskStates));
notificationDisplayed = true;
if (periodicUpdatesStarted) {
handler.removeCallbacks(this);

View File

@ -22,8 +22,8 @@ import android.os.ConditionVariable;
import android.support.annotation.Nullable;
import com.google.android.exoplayer2.C;
import com.google.android.exoplayer2.offline.DownloadManager.DownloadListener;
import com.google.android.exoplayer2.offline.DownloadManager.DownloadState;
import com.google.android.exoplayer2.offline.DownloadManager.DownloadState.State;
import com.google.android.exoplayer2.offline.DownloadManager.TaskState;
import com.google.android.exoplayer2.offline.DownloadManager.TaskState.State;
import com.google.android.exoplayer2.testutil.DummyMainThread;
import com.google.android.exoplayer2.testutil.RobolectricUtil;
import com.google.android.exoplayer2.upstream.DummyDataSource;
@ -255,11 +255,11 @@ public class DownloadManagerTest {
downloadAction1.post().assertDoesNotStart();
downloadAction2.post().assertDoesNotStart();
DownloadState[] states = downloadManager.getDownloadStates();
TaskState[] states = downloadManager.getAllTaskStates();
assertThat(states).hasLength(3);
assertThat(states[0].downloadAction).isEqualTo(removeAction);
assertThat(states[1].downloadAction).isEqualTo(downloadAction1);
assertThat(states[2].downloadAction).isEqualTo(downloadAction2);
assertThat(states[0].action).isEqualTo(removeAction);
assertThat(states[1].action).isEqualTo(downloadAction1);
assertThat(states[2].action).isEqualTo(downloadAction2);
}
@Test
@ -503,11 +503,11 @@ public class DownloadManagerTest {
}
@Override
public void onStateChange(DownloadManager downloadManager, DownloadState downloadState) {
if (downloadState.state == DownloadState.STATE_ERROR && downloadError == null) {
downloadError = downloadState.error;
public void onTaskStateChanged(DownloadManager downloadManager, TaskState taskState) {
if (taskState.state == TaskState.STATE_ERROR && downloadError == null) {
downloadError = taskState.error;
}
((FakeDownloadAction) downloadState.downloadAction).onStateChange(downloadState.state);
((FakeDownloadAction) taskState.action).onStateChange(taskState.state);
}
@Override
@ -580,23 +580,23 @@ public class DownloadManagerTest {
private FakeDownloadAction assertStarted() throws InterruptedException {
downloader.assertStarted(ASSERT_TRUE_TIMEOUT);
return assertState(DownloadState.STATE_STARTED);
return assertState(TaskState.STATE_STARTED);
}
private FakeDownloadAction assertEnded() {
return assertState(DownloadState.STATE_ENDED);
return assertState(TaskState.STATE_ENDED);
}
private FakeDownloadAction assertError() {
return assertState(DownloadState.STATE_ERROR);
return assertState(TaskState.STATE_ERROR);
}
private FakeDownloadAction assertCancelled() {
return assertState(DownloadState.STATE_CANCELED);
return assertState(TaskState.STATE_CANCELED);
}
private FakeDownloadAction assertStopped() {
return assertState(DownloadState.STATE_QUEUED);
return assertState(TaskState.STATE_QUEUED);
}
private FakeDownloadAction assertState(@State int expectedState) {
@ -619,13 +619,13 @@ public class DownloadManagerTest {
if (i > 0) {
sb.append(',');
}
sb.append(DownloadState.getStateString(receivedStates.get(i)));
sb.append(TaskState.getStateString(receivedStates.get(i)));
}
fail(
String.format(
Locale.US,
"expected:<%s> but was:<%s>",
DownloadState.getStateString(expectedState),
TaskState.getStateString(expectedState),
sb));
}
}

View File

@ -25,7 +25,7 @@ import android.content.Context;
import android.content.Intent;
import android.support.annotation.Nullable;
import com.google.android.exoplayer2.offline.DownloadManager;
import com.google.android.exoplayer2.offline.DownloadManager.DownloadState;
import com.google.android.exoplayer2.offline.DownloadManager.TaskState;
import com.google.android.exoplayer2.offline.DownloadService;
import com.google.android.exoplayer2.offline.DownloaderConstructorHelper;
import com.google.android.exoplayer2.scheduler.Requirements;
@ -139,8 +139,7 @@ public class DownloadServiceDashTest {
}
@Override
protected Notification getForegroundNotification(
DownloadState[] downloadStates) {
protected Notification getForegroundNotification(TaskState[] taskStates) {
return Mockito.mock(Notification.class);
}

View File

@ -19,7 +19,6 @@ import static com.google.common.truth.Truth.assertThat;
import com.google.android.exoplayer2.offline.DownloadManager;
import com.google.android.exoplayer2.offline.DownloadManager.DownloadListener;
import com.google.android.exoplayer2.offline.DownloadManager.DownloadState;
import com.google.android.exoplayer2.testutil.DummyMainThread;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
@ -40,9 +39,10 @@ import java.util.concurrent.TimeUnit;
}
@Override
public void onStateChange(DownloadManager downloadManager, DownloadState downloadState) {
if (downloadState.state == DownloadState.STATE_ERROR && downloadError == null) {
downloadError = downloadState.error;
public void onTaskStateChanged(
DownloadManager downloadManager, DownloadManager.TaskState taskState) {
if (taskState.state == DownloadManager.TaskState.STATE_ERROR && downloadError == null) {
downloadError = taskState.error;
}
}

View File

@ -21,7 +21,7 @@ import android.support.annotation.Nullable;
import android.support.v4.app.NotificationCompat;
import com.google.android.exoplayer2.C;
import com.google.android.exoplayer2.offline.DownloadManager;
import com.google.android.exoplayer2.offline.DownloadManager.DownloadState;
import com.google.android.exoplayer2.offline.DownloadManager.TaskState;
import com.google.android.exoplayer2.util.ErrorMessageProvider;
/** Helper class to create notifications for downloads using {@link DownloadManager}. */
@ -32,18 +32,18 @@ public final class DownloadNotificationUtil {
private DownloadNotificationUtil() {}
/**
* Returns a progress notification for the given {@link DownloadState}s.
* Returns a progress notification for the given {@link TaskState}s.
*
* @param downloadStates States of the downloads.
* @param taskStates States of the downloads.
* @param context Used to access resources.
* @param smallIcon A small icon for the notification.
* @param channelId The id of the notification channel to use. Only required for API level 26 and
* above.
* @param message An optional message to display on the notification.
* @return A progress notification for the given {@link DownloadState}s.
* @return A progress notification for the given {@link TaskState}s.
*/
public static @Nullable Notification createProgressNotification(
DownloadState[] downloadStates,
TaskState[] taskStates,
Context context,
int smallIcon,
String channelId,
@ -52,16 +52,15 @@ public final class DownloadNotificationUtil {
int downloadTaskCount = 0;
boolean allDownloadPercentagesUnknown = true;
boolean haveDownloadedBytes = false;
for (DownloadState downloadState : downloadStates) {
if (downloadState.downloadAction.isRemoveAction
|| downloadState.state != DownloadState.STATE_STARTED) {
for (TaskState taskState : taskStates) {
if (taskState.action.isRemoveAction || taskState.state != TaskState.STATE_STARTED) {
continue;
}
if (downloadState.downloadPercentage != C.PERCENTAGE_UNSET) {
if (taskState.downloadPercentage != C.PERCENTAGE_UNSET) {
allDownloadPercentagesUnknown = false;
totalPercentage += downloadState.downloadPercentage;
totalPercentage += taskState.downloadPercentage;
}
haveDownloadedBytes |= downloadState.downloadedBytes > 0;
haveDownloadedBytes |= taskState.downloadedBytes > 0;
downloadTaskCount++;
}
@ -79,11 +78,11 @@ public final class DownloadNotificationUtil {
}
/**
* Returns a notification for a {@link DownloadState} which is in either {@link
* DownloadState#STATE_ENDED} or {@link DownloadState#STATE_ERROR} states. Returns null if it's
* some other state or it's state of a remove action.
* Returns a notification for a {@link TaskState} which is in either {@link TaskState#STATE_ENDED}
* or {@link TaskState#STATE_ERROR} states. Returns null if it's some other state or it's state of
* a remove action.
*
* @param downloadState State of the download.
* @param taskState State of the download.
* @param context Used to access resources.
* @param smallIcon A small icon for the notifications.
* @param channelId The id of the notification channel to use. Only required for API level 26 and
@ -92,27 +91,26 @@ public final class DownloadNotificationUtil {
* @param errorMessageProvider An optional {@link ErrorMessageProvider} for translating download
* errors into readable error messages. If not null and there is a download error then the
* error message is displayed instead of {@code message}.
* @return A notification for a {@link DownloadState} which is in either {@link
* DownloadState#STATE_ENDED} or {@link DownloadState#STATE_ERROR} states. Returns null if
* it's some other state or it's state of a remove action.
* @return A notification for a {@link TaskState} which is in either {@link TaskState#STATE_ENDED}
* or {@link TaskState#STATE_ERROR} states. Returns null if it's some other state or it's
* state of a remove action.
*/
public static @Nullable Notification createDownloadFinishedNotification(
DownloadState downloadState,
TaskState taskState,
Context context,
int smallIcon,
String channelId,
@Nullable String message,
@Nullable ErrorMessageProvider<Throwable> errorMessageProvider) {
if (downloadState.downloadAction.isRemoveAction
|| (downloadState.state != DownloadState.STATE_ENDED
&& downloadState.state != DownloadState.STATE_ERROR)) {
if (taskState.action.isRemoveAction
|| (taskState.state != TaskState.STATE_ENDED && taskState.state != TaskState.STATE_ERROR)) {
return null;
}
if (downloadState.error != null && errorMessageProvider != null) {
message = errorMessageProvider.getErrorMessage(downloadState.error).second;
if (taskState.error != null && errorMessageProvider != null) {
message = errorMessageProvider.getErrorMessage(taskState.error).second;
}
int titleStringId =
downloadState.state == DownloadState.STATE_ENDED
taskState.state == TaskState.STATE_ENDED
? R.string.exo_download_completed
: R.string.exo_download_failed;
NotificationCompat.Builder notificationBuilder =