/// <summary>
/// loads image from file if it exists, or else by downloading and then loading from file
/// </summary>
protected override void StartInternal()
{
numLoadingTasksActive++;
try{
if (File.Exists(parent.ThumbnailFilepath))
{
bool ok = parent.LoadTextureFromFile();
if (ok)
{
status = ITaskStatus.SUCCESS;
}
else
{
status = ITaskStatus.FAIL;
}
}
else
{
// first run the base downloading task now. If that is ok, then load from file downloaded.
base.StartInternal();
if (File.Exists(parent.ThumbnailFilepath) && IsSuccess())
{
bool ok = parent.LoadTextureFromFile();
if (ok)
{
status = ITaskStatus.SUCCESS;
}
else
{
status = ITaskStatus.FAIL;
}
}
else
{
status = ITaskStatus.FAIL;
}
}
// after a successful load, enable the thumbnail.
if (IsSuccess())
{
parent.Enable();
}
}
finally
{
numLoadingTasksActive--;
}
}
/// <summary>
/// loads image from file if it exists, or else by downloading and then loading from file
/// </summary>
protected override void StartInternal()
{
bool ok = parent.LoadTextureFromFile();
if (ok)
{
status = ITaskStatus.SUCCESS;
}
else
{
status = ITaskStatus.FAIL;
}
// after a successful load, enable the thumbnail.
if (IsSuccess())
{
parent.Enable();
}
}