/// <summary>
/// Watches the child folder.
/// </summary>
/// <param name="child">The child folder. Ownership will be taken.</param>
private void WatchChild(IFolder child, bool takeOwnership)
{
if (!_children.ContainsKey(child.EntryID))
{
if (_watcher.ShouldFolderBeWatched(this, child))
{
Logger.Instance.Trace(this, "Registering child on {0}: {1}", _folder.LogKey, child.FullFolderPath);
// Make sure we register the entry id actually before registering any listeners.
// That will cause change notifications, which require the entryid to be registered.
IFolder childEffective = takeOwnership ? child : child.Clone();
ZPushFolder folder = new ZPushFolder(_watcher, this, childEffective);
_children.Add(child.EntryID, folder);
folder.Initialise();
return;
}
else
{
Logger.Instance.Trace(this, "Excluding child on {0}: {1}", _folder.LogKey, child.FullFolderPath);
}
}
if (takeOwnership)
{
// Release the folder if not used
child.Dispose();
}
}
public void WatchItems <TypedItem>(IFolder folder, TypedItemEventHandler <TypedItem> handler, bool reportExisting)
where TypedItem : IItem
{
if (!DebugOptions.GetOption(null, DebugOptions.WATCHER_ENABLED))
{
return;
}
// Must have a ZPush folder to watch events.
ZPushFolder zPushFolder = folder.ZPush;
// Register the handlers
ItemsWatcher watcher = zPushFolder.ItemsWatcher();
watcher.ItemEvent += (item) =>
{
if (item is TypedItem)
{
handler((TypedItem)item);
}
};
// Report existing if requested
if (reportExisting)
{
zPushFolder.ReportExistingItems(handler);
}
}
internal void OnItemChange(ZPushFolder zPushFolder, IItem item)
{
if (ItemEvent != null)
{
ItemEvent(item);
}
}
private void DispatchFolderEvents(ZPushFolder folder, EventKind kind)
{
// See if anybody is interested
foreach (KeyValuePair <FolderRegistration, FolderWatcher> entry in _folderWatchers)
{
if (entry.Key.IsApplicable(folder.Folder))
{
DispatchFolderEvent(entry.Key, entry.Value, folder, kind);
}
}
}
internal bool ShouldFolderBeWatched(ZPushFolder parent, IFolder child)
{
if (parent.Folder.IsAtDepth(0))
{
// Special mail folders cause issues, they are disallowed
if (child.DefaultItemType != ItemType.MailItem)
{
return(true);
}
return(!IsBlackListedMailFolder(child));
}
return(true);
}
internal void Dispatch(ZPushFolder folder, EventKind kind)
{
switch (kind)
{
case EventKind.Discovered:
OnDiscovered(folder.Folder);
break;
case EventKind.Changed:
OnChanged(folder.Folder);
break;
case EventKind.Removed:
OnRemoved(folder.Folder);
break;
}
}
private void DispatchFolderEvent(FolderRegistration reg, FolderWatcher watcher, ZPushFolder folder, EventKind kind)
{
Logger.Instance.Debug(this, "Folder event: {0}, {1}, {2}", folder, reg, kind);
watcher.Dispatch(folder, kind);
}
internal void OnFolderRemoved(ZPushFolder folder)
{
Logger.Instance.Trace(this, "Folder removed: {0}", folder);
DispatchFolderEvents(folder, EventKind.Removed);
}
internal void OnFolderDiscovered(ZPushFolder folder)
{
Logger.Instance.Trace(this, "Folder discovered: {0}", folder);
_allFolders.Add(folder);
DispatchFolderEvents(folder, EventKind.Discovered);
}
private void HandleFolderWatchers(ZPushAccount account)
{
// We need to keep the object alive to keep receiving events
_rootFolder = new ZPushFolder(this, account.Account.Store.GetRootFolder());
}
