/** Pause all task */
public void pauseAll() {
FileDownloadEventPool.getImpl().shutdownSendPool();
final BaseDownloadTask[] downloadList = FileDownloadList.getImpl().copy();
synchronized (pauseLock) {
for (BaseDownloadTask baseDownloadTask : downloadList) {
baseDownloadTask.pause();
}
}
// double check, for case: File Download progress alive but ui progress has died and relived,
// so FileDownloadList not always contain all running task exactly.
if (FileDownloadServiceUIGuard.getImpl().isConnected()) {
FileDownloadServiceUIGuard.getImpl().pauseAllTasks();
} else {
if (pauseAllRunnable == null) {
pauseAllRunnable =
new Runnable() {
@Override
public void run() {
FileDownloadServiceUIGuard.getImpl().pauseAllTasks();
}
};
}
FileDownloadServiceUIGuard.getImpl()
.bindStartByContext(FileDownloadHelper.getAppContext(), pauseAllRunnable);
}
}
/**
* 开始下载任务
*
* @param downloadId
* @param callback
*/
public void startTask(int downloadId, FileDownloaderCallback callback) {
FileDownloaderModel model = getFileDownloaderModelById(downloadId);
if (model != null) {
BridgeListener bridgeListener = mListenerManager.getBridgeListener(downloadId);
bridgeListener.addDownloadListener(callback);
if (mDownloadingList.size() >= mConfiguration.getMaxDownloadingCount()) { // 下载中队列已满
if (!mWaitQueue.contains(model)) {
mWaitQueue.offer(model);
}
bridgeListener.wait(downloadId);
} else {
mDownloadingList.add(model);
final BaseDownloadTask task =
FileDownloader.getImpl()
.create(model.getUrl())
.setPath(model.getPath())
.setCallbackProgressTimes(100)
.setAutoRetryTimes(mAutoRetryTimes)
.setListener(bridgeListener);
for (int i = 0; i < mHeaders.size(); i++) {
task.addHeader(mHeaders.name(i), mHeaders.value(i));
}
bridgeListener.setDownloadTask(task);
task.start();
}
} else {
ILogger.e("Task does not exist!");
}
}
/**
* Start the download queue by the same listener
*
* @param listener start download by same listener
* @param isSerial is execute them linearly
*/
public void start(final FileDownloadListener listener, final boolean isSerial) {
if (listener == null) {
return;
}
final List<BaseDownloadTask> list = FileDownloadList.getImpl().copy(listener);
if (FileDownloadMonitor.isValid()) {
FileDownloadMonitor.getMonitor().onRequestStart(list.size(), isSerial, listener);
}
if (FileDownloadLog.NEED_LOG) {
FileDownloadLog.v(
this, "start list size[%d] listener[%s] isSerial[%B]", list.size(), listener, isSerial);
}
if (isSerial) {
// serial
final Handler serialHandler = createSerialHandler(list);
Message msg = serialHandler.obtainMessage();
msg.what = WHAT_SERIAL_NEXT;
msg.arg1 = 0;
serialHandler.sendMessage(msg);
} else {
// parallel
for (final BaseDownloadTask downloadTask : list) {
downloadTask.start();
}
}
}
/**
* @param downloadId Download Id
* @return download status, if service has not connected, will be {@link
* com.liulishuo.filedownloader.model.FileDownloadStatus#INVALID_STATUS} if already has
* over(error,paused,completed,warn), will come from File Download Service if there are no
* data in File Download Service , will be {@link
* com.liulishuo.filedownloader.model.FileDownloadStatus#INVALID_STATUS}
*/
public int getStatus(final int downloadId) {
BaseDownloadTask downloadTask = FileDownloadList.getImpl().get(downloadId);
if (downloadTask == null) {
return FileDownloadServiceUIGuard.getImpl().getStatus(downloadId);
}
return downloadTask.getStatus();
}
/** Get file total bytes by the downloadId */
public long getTotal(final int downloadId) {
BaseDownloadTask downloadTask = FileDownloadList.getImpl().get(downloadId);
if (downloadTask == null) {
return FileDownloadServiceUIGuard.getImpl().getTotal(downloadId);
}
return downloadTask.getLargeFileTotalBytes();
}
/**
* Pause the download task by the downloadId
*
* @param downloadId pause download by download id
* @see #pause(FileDownloadListener)
*/
public void pause(final int downloadId) {
BaseDownloadTask downloadTask = FileDownloadList.getImpl().get(downloadId);
if (downloadTask == null) {
FileDownloadLog.w(this, "request pause but not exist %d", downloadId);
return;
}
downloadTask.pause();
}
/**
* Pause the download queue by the same listener
*
* @param listener paused download by same listener
* @see #pause(int)
*/
public void pause(final FileDownloadListener listener) {
FileDownloadEventPool.getImpl().shutdownSendPool(listener);
final List<BaseDownloadTask> downloadList = FileDownloadList.getImpl().copy(listener);
synchronized (pauseLock) {
for (BaseDownloadTask baseDownloadTask : downloadList) {
baseDownloadTask.pause();
}
}
}