public DownloadTask StartDownload(
string fileName,
string url,
ContentType contentType,
FinishHandler finishHandler,
TimeoutHandler timeoutHandler = null,
float timeout = 60)
{
if (string.IsNullOrEmpty(fileName) ||
string.IsNullOrEmpty(url))
{
return(null);
}
if (_currentTask != null &&
_currentTask.FileName == fileName)
{
return(_currentTask);
}
lock (_taskQueue)
{
foreach (var t in _taskQueue)
{
if (t.FileName == fileName)
{
return(t);
}
}
var task = new DownloadTask(
fileName,
url,
contentType,
finishHandler,
timeoutHandler,
timeout);
_taskQueue.Enqueue(task);
MyLog.InfoWithFrame(name, string.Format("Start download: {0}", fileName));
return(task);
}
}
public void StopAllDownloadTask()
{
if (_currentTask != null)
{
_currentTask.Cancel();
_currentTask = null;
}
lock (_taskQueue)
{
while (_taskQueue.Count > 0)
{
var t = _taskQueue.Dequeue();
t.Cancel();
}
_taskQueue.Clear();
}
}
private void DownloadFinish(DownloadTask task)
{
if (task == null)
{
return;
}
var www = task.Downloader;
if (www == null)
{
return;
}
if (!string.IsNullOrEmpty(www.error))
{
MyLog.ErrorWithFrame(name, string.Format("Download failed! url: {0}, error: {1}", task.Url, www.error));
return;
}
try
{
var type = task.Type;
if (type == ContentType.Image)
{
// 将下载的图片保存到路径中。
if (!www.texture)
{
return;
}
if (string.IsNullOrEmpty(task.FileName))
{
return;
}
var bytes = www.texture.EncodeToPNG();
_filePicManager.SavePic(bytes, task.FileName);
}
else if (type == ContentType.Bytes)
{
if (!Directory.Exists(FilePath.BinaryFilePath()))
{
Directory.CreateDirectory(FilePath.BinaryFilePath());
}
var path = FilePath.BinaryFilePath() + task.FileName;
File.WriteAllBytes(path, www.bytes);
}
else if (type == ContentType.Text)
{
if (!Directory.Exists(FilePath.TextPath()))
{
Directory.CreateDirectory(FilePath.TextPath());
}
var path = FilePath.TextPath() + task.FileName;
File.WriteAllBytes(path, www.bytes);
}
MyLog.InfoWithFrame(name, string.Format("Finish download: {0}", task.FileName));
}
catch (Exception e)
{
MyLog.ErrorWithFrame(name, e.Message);
}
}
protected bool Equals(DownloadTask other)
{
return(string.Equals(FileName, other.FileName));
}