public DownloadFileJob(string url, FileStream fileStream, ReadyDelegate readyCallback, int startPosition) : base(url, readyCallback)
{
Guard.NullArgument(fileStream, "fileStream");
_file = fileStream;
Init(url, readyCallback, false);
_reader = new HttpReaderToFile(_url, _file, startPosition);
}
public static DialogResult ShowModal(String title, String message, bool animated,
ReadyDelegate notifyReady, CancelDelegate deleg)
{
using (HUDForm instance = new HUDForm())
{
// Don't use lock() here as we might dead lock otherwise.
if (!Monitor.TryEnter(instanceLock))
{
Application.DoEvents(); // See if we can let the application finish pending stuff first.
if (!Monitor.TryEnter(instanceLock))
{
return(DialogResult.Abort); // Still no lock possible? In this case we can only leave without showing the HUD form.
}
}
currentInstance = instance;
Monitor.Exit(instanceLock);
instance.label1.Text = title;
instance.label2.Text = message;
instance.cancelDelegate = deleg;
// Can happen the form is cancelled already while we are still doing the setup
// (separate thread).
if (instance.IsDisposed || instance.Disposing)
{
if (Monitor.TryEnter(instanceLock))
{
currentInstance = null;
Monitor.Exit(instanceLock);
}
return(DialogResult.Abort);
}
instance.Reshow(animated, true);
// Need to set Visible back to false to avoid an exception in ShowDialog about an already
// visible window. Doesn't usually have a visual effect.
instance.Visible = false;
if (notifyReady != null)
{
notifyReady();
}
DialogResult result = DialogResult.Abort;
if (!instance.IsDisposed && !instance.Disposing)
{
result = instance.ShowDialog();
}
if (Monitor.TryEnter(instanceLock))
{
instance.Dispose();
currentInstance = null;
Monitor.Exit(instanceLock);
}
return(result);
}
}
protected void Init(string url, ReadyDelegate readyCallback, bool initReader)
{
Guard.NullArgument(url, "url");
_url = url;
_readyCallback = readyCallback;
if (initReader)
{
_reader = new HttpReader(_url);
}
}
public static void ConsiderOrderedOptions(Option[] options, ReadyDelegate ready)
{
for (int option = 0; option < options.Length; option++)
{
options[option]();
if (ready())
{
return;
}
}
}
void UserEvent(object sender, UserEventArgs args)
{
ReadyDelegate d = (ReadyDelegate)args.UserEvent;
d();
}
public static DialogResult ShowModal(String title, String message, bool animated,
ReadyDelegate notifyReady, CancelDelegate deleg)
{
using (HUDForm instance = new HUDForm())
{
// Don't use lock() here as we might dead lock otherwise.
if (!Monitor.TryEnter(instanceLock))
{
Application.DoEvents(); // See if we can let the application finish pending stuff first.
if (!Monitor.TryEnter(instanceLock))
return DialogResult.Abort; // Still no lock possible? In this case we can only leave without showing the HUD form.
}
currentInstance = instance;
Monitor.Exit(instanceLock);
instance.label1.Text = title;
instance.label2.Text = message;
instance.cancelDelegate = deleg;
// Can happen the form is cancelled already while we are still doing the setup
// (separate thread).
if (instance.IsDisposed || instance.Disposing)
{
if (Monitor.TryEnter(instanceLock))
{
currentInstance = null;
Monitor.Exit(instanceLock);
}
return DialogResult.Abort;
}
instance.Reshow(animated, true);
// Need to set Visible back to false to avoid an exception in ShowDialog about an already
// visible window. Doesn't usually have a visual effect.
instance.Visible = false;
if (notifyReady != null)
notifyReady();
DialogResult result = DialogResult.Abort;
if (!instance.IsDisposed && !instance.Disposing)
result = instance.ShowDialog();
if (Monitor.TryEnter(instanceLock))
{
instance.Dispose();
currentInstance = null;
Monitor.Exit(instanceLock);
}
return result;
}
}
public DownloadStreamJob(string url, ReadyDelegate readyCallback)
{
Init(url, readyCallback, true);
}
protected DownloadStreamJob(string url, ReadyDelegate readyCallback, bool initReader)
{
Init(url, readyCallback, initReader);
}
public DownloadResourceBlobJob(IResource resource, int propId, string url, ReadyDelegate readyCallback) : base(url, readyCallback)
{
_resource = resource;
_propId = propId;
}