/// <summary>
/// 停止下载某个name文件
/// </summary>
/// <param name="fileName"></param>
public static void StopDownloadFile(string fileName)
{
Debug.LogError(m_CurrentDownload.FileName);
if (m_CurrentDownload != null && m_CurrentDownload.Key == fileName)
{
m_Downloader.CancelAsync();
}
else
{
lock (m_LockObject)
{
DownloadCacheInfo cacheInfo = m_WaitingDownloadList.Find((temp) => fileName == temp.Key);
m_WaitingDownloadList.Remove(cacheInfo);
if (cacheInfo.ComplatedCallBack != null)
{
try
{
cacheInfo.ComplatedCallBack(cacheInfo.Key, new AsyncCompletedEventArgs(null, true, null));
}
catch (Exception ex)
{
Debug.LogException(ex);
}
}
}
}
}
/// <summary>
/// 停止下载
/// </summary>
public static void StopDownloader()
{
lock (m_LockObject)
{
for (int i = 0; i < m_WaitingDownloadList.Count; i++)
{
DownloadCacheInfo cacheInfo = m_WaitingDownloadList[i];
if (cacheInfo.ComplatedCallBack != null)
{
try
{
m_CurrentDownload.ComplatedCallBack(m_CurrentDownload.Key, new AsyncCompletedEventArgs(null, true, null));
}
catch (Exception ex)
{
Debug.LogException(ex);
}
}
}
m_WaitingDownloadList.Clear();
}
if (m_Downloader != null)
{
m_Downloader.CancelAsync();
}
}
/// <summary>
/// 尝试下载文件
/// </summary>
static void TryStartDownloadOneFile()
{
if (m_CurrentDownload == null)
{
if (m_WaitingDownloadList.Count > 0)
{
lock (m_LockObject)
{
m_CurrentDownload = m_WaitingDownloadList[0];
m_WaitingDownloadList.RemoveAt(0);
}
if (m_Downloader == null)
{
m_Downloader = new WebClient();
m_Downloader.DownloadFileCompleted += DownloadFile_Complated;
m_Downloader.DownloadProgressChanged += DownloadFile_ProgressChanged;
}
m_Downloader.DownloadFileAsync(new Uri(m_CurrentDownload.RemoteFileFullName), m_CurrentDownload.CacheFileFullName);
}
else
{
ReleaseDownLoader();
}
}
}
/// <summary>
/// 添加到下载队列中
/// </summary>
/// <param name="fileName">文件名称</param>
/// <param name="complated">完成通知</param>
/// <param name="progressChanged">进度更新</param>
/// <returns></returns>
public static void AppendDownloadFile(string fileName, Action <string, AsyncCompletedEventArgs> complated = null, Action <string, DownloadProgressChangedEventArgs> progressChanged = null)
{
DownloadCacheInfo cacheInfo = null;
if (m_CurrentDownload != null && m_CurrentDownload.Key == fileName)
{
cacheInfo = m_CurrentDownload;
}
else
{
m_WaitingDownloadList.Find(temp => temp.Key == fileName);
}
if (cacheInfo == null)
{
cacheInfo = new DownloadCacheInfo(fileName, fileName);
m_WaitingDownloadList.Add(cacheInfo);
}
if (complated != null)
{
if (cacheInfo.ComplatedCallBack != null)
{
cacheInfo.ComplatedCallBack += complated;
}
else
{
cacheInfo.ComplatedCallBack = complated;
}
}
if (progressChanged != null)
{
if (cacheInfo.ProgressChanged != null)
{
cacheInfo.ProgressChanged += progressChanged;
}
else
{
cacheInfo.ProgressChanged = progressChanged;
}
}
TryStartDownloadOneFile();
}
/// <summary>
/// 下载文件完成通知
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
static void DownloadFile_Complated(object sender, AsyncCompletedEventArgs e)
{
try
{
if (m_CurrentDownload != null && m_CurrentDownload.ComplatedCallBack != null)
{
m_CurrentDownload.ComplatedCallBack(m_CurrentDownload.Key, e);
}
}
catch (Exception ex)
{
Debug.LogException(ex);
}
finally
{
m_CurrentDownload = null;
TryStartDownloadOneFile();
}
}
