protected internal override void OnMessageReceived(ConversationMessage message)
{
BrowseResponseMessage rep = message as BrowseResponseMessage;
if (rep != null)
{
_rbu.ProcessResponse(rep);
}
}
protected internal override void OnMessageReceived(ConversationMessage message)
{
BrowseRequestMessage brMessage = message as BrowseRequestMessage;
if (brMessage != null)
{
if (respondMessage == null ||
!respondMessage.browserId.Equals(brMessage.browserId))
{
#region comment
//TODO 如果是安卓又该如何处理？首先需要搞清楚这是在分类浏览，还是在浏览目录，如果是在浏览目录，这个代码可用
//如果是在分类浏览，那么需要去数据库中查询，并返回列表。
//如果安卓做分类浏览，那么分类浏览中有没有子目录的概念？有的图库中有多个相册，是如何处理的？多个相册看起来像是文件夹的概念。
//TODO 新拍摄的图片之类的，没有立即存储到MediaStore，如何处理？
//TODO 如果有生成并缓存缩略图，那些缩略图要被MediaStore忽略才行。
//http://blog.csdn.net/yhcelebrite/article/details/11714925
//http://blog.csdn.net/bgc525725278/article/details/8131657
#endregion
if (work != null && work.IsBusy)
{
work.CancelAsync();
}
var browseList = Env.Instance.GetBrowseList(brMessage.path);
respondMessage = new BrowseResponseMessage();
respondMessage.browserId = brMessage.browserId;
respondMessage.Items = browseList;
respondMessage.path = brMessage.path;
PostMessage(respondMessage);
}
return;
}
ThumbnailRequestMessage thumbRequestMessage = message as ThumbnailRequestMessage;
if (thumbRequestMessage != null)
{
work = new BackgroundWorker()
{
WorkerSupportsCancellation = true
};
work.DoWork += Work_DoWork;
work.RunWorkerAsync(thumbRequestMessage);
return;
}
}
internal void ProcessResponse(BrowseResponseMessage rep)
{
if (rep == null || rep.BrowserId != _currentRequest?.BrowserId)
{
return;
}
CurrentDir = rep.CurrentDir;
foreach (var item in rep.Items)
{
item.Parent = rep.CurrentDir;
}
_listResult?.TrySetResult(rep.Items);
_listResult = null;
}
/// <summary>
/// Returns the references that meet the filter criteria for one or more nodes.
/// </summary>
public BrowseResponseMessage Browse(BrowseMessage request)
{
try
{
lock (m_lock)
{
// verify the session.
VerifySession(request.RequestHeader, false);
// process each node being browsed.
ListOfBrowseResult results = new ListOfBrowseResult();
ListOfDiagnosticInfo diagnosticInfos = new ListOfDiagnosticInfo();
for (int ii = 0; ii < request.NodesToBrowse.Count; ii++)
{
BrowseResult result = new BrowseResult();
DiagnosticInfo diagnosticInfo = new DiagnosticInfo();
m_nodeManager.Browse(
request.NodesToBrowse[ii],
result,
diagnosticInfo);
results.Add(result);
diagnosticInfos.Add(diagnosticInfo);
}
// return the response.
BrowseResponseMessage response = new BrowseResponseMessage();
response.ResponseHeader = CreateResponseHeader(request.RequestHeader);
response.Results = results;
response.DiagnosticInfos = diagnosticInfos;
return(response);
}
}
catch (Exception e)
{
throw CreateSoapFault(request.RequestHeader, e);
}
}
#pragma warning disable 1998
internal static async Task <BrowseResponseMessage> Response(IItemProviderConversation conv, BrowseRequestMessage browseRequestMessage)
#pragma warning restore 1998
{
var pathId = browseRequestMessage.DirItemId;
var dir = conv.FindItem(pathId) as DirItem;
var brpm = new BrowseResponseMessage {
Id = conv.Id
};
if (dir == null)
{
brpm.CurrentDir = null;
}
else
{
brpm.CurrentDir = dir;
brpm.Items = dir.Children;
}
return(brpm);
}
protected internal override void OnMessageReceived(ConversationMessage message)
{
if (message is BrowseResponseMessage)
{
BrowseResponseMessage brMessage = (BrowseResponseMessage)message;
if (browserId.Equals(brMessage.browserId))
{
if (brMessage.Items != null)
{
breponseMessage = brMessage;
itemListReceived?.Invoke(breponseMessage.path, breponseMessage.Items);
}
}
}
else if (message is ThumbnailResponseMessage)
{
ThumbnailResponseMessage trMessage = message as ThumbnailResponseMessage;
thumbnailReceived?.Invoke(trMessage.ID, trMessage.Data);
}
}
