/// <summary>
/// Sets execution state of the specified method.
/// </summary>
/// <param name="methodIndex">Index of the method.</param>
/// <param name="value">Execution state of the method.</param>
protected virtual void SetMethodState(int methodIndex, QueueItemMethodState state)
{
lock (this)
{
_methodState[methodIndex] = state;
}
}
/// <summary>
/// Initializes internal variables of the object that are related to the implementation of IQueueItem interface.
/// </summary>
/// <param name="methodCount">Number of methods that are associated with the item. </param>
protected void InitializeIQueueItemVariables(int methodCount)
{
_methodCount = methodCount;
_methodState = new QueueItemMethodState[methodCount];
for (int i = 0; i < methodCount; i++)
{
_methodState[i] = QueueItemMethodState.NotStarted;
}
}
public override string GetText(int textInfoId)
{
if (textInfoId == ThumbnailListItem.TextInfoIdPath)
{
return(_pidl.Path);
}
int methodIndex = ThumbInfoToMethodIndex(textInfoId);
if (methodIndex < 0)
{
return(string.Empty);
}
QueueItemMethodState methodState = GetMethodState(methodIndex);
if (methodState == QueueItemMethodState.Finished)
{
return(base.GetText(textInfoId));
}
if (methodState == QueueItemMethodState.Started)
{
return(string.Empty);
}
lock (this)
{
if (base.Parent == null)
{
return(string.Empty);
}
base.Parent.QueueManager.MoveToHead(this, methodIndex);
base.Parent.QueueManager.StartQueues();
}
return(string.Empty);
}