/// <summary>Fires the progress update event</summary>
/// <param name="eventArguments">Progress to report (ranging from 0.0 to 1.0)</param>
/// <remarks>
/// Informs the observers of this transaction about the achieved progress.
/// Allows for classes derived from the transaction class to easily provide
/// a custom event arguments class that has been derived from the
/// transaction's ProgressUpdateEventArgs class.
/// </remarks>
protected virtual void OnAsyncProgressChanged(ProgressReportEventArgs eventArguments)
{
EventHandler <ProgressReportEventArgs> copy = AsyncProgressChanged;
if (copy != null)
{
copy(this, eventArguments);
}
}
/// <summary>
/// Called by NMock to verfiy the ProgressUpdateEventArgs match the expected value
/// </summary>
/// <param name="actualAsObject">Actual value to compare to the expected value</param>
/// <returns>
/// True if the actual value matches the expected value; otherwise false
/// </returns>
public override bool Matches(object actualAsObject)
{
ProgressReportEventArgs actual = (actualAsObject as ProgressReportEventArgs);
if (actual == null)
{
return(false);
}
return(actual.Progress == this.expected.Progress);
}
/// <summary>Called when the progress of the observed transaction changes</summary>
/// <param name="sender">Transaction whose progress has changed</param>
/// <param name="arguments">Contains the updated progress</param>
private void asyncProgressChanged(object sender, ProgressReportEventArgs arguments)
{
this.progress = arguments.Progress;
ReportDelegate savedProgressUpdateCallback = this.progressUpdateCallback;
if (savedProgressUpdateCallback != null)
{
savedProgressUpdateCallback();
}
}
/// <summary>Initializes a new ProgressUpdateEventArgsMatcher</summary>
/// <param name="expected">Expected progress update event arguments</param>
public ProgressReportEventArgsMatcher(ProgressReportEventArgs expected)
{
this.expected = expected;
}
/// <summary>
/// Called when the summed progressed of the tracked transaction has changed
/// </summary>
/// <param name="sender">Transaction whose progress has changed</param>
/// <param name="arguments">Contains the progress achieved by the transaction</param>
private void asyncProgressUpdated(
object sender, ProgressReportEventArgs arguments
) {
AsyncSetValue(arguments.Progress);
}
/// <summary>Initializes a new ProgressUpdateEventArgsMatcher </summary>
/// <param name="expected">Expected progress update event arguments</param>
public ProgressUpdateEventArgsMatcher(ProgressReportEventArgs expected) {
this.expected = expected;
}
/// <summary>Fires the progress update event</summary>
/// <param name="eventArguments">Progress to report (ranging from 0.0 to 1.0)</param>
/// <remarks>
/// Informs the observers of this transaction about the achieved progress.
/// Allows for classes derived from the transaction class to easily provide
/// a custom event arguments class that has been derived from the
/// transaction's ProgressUpdateEventArgs class.
/// </remarks>
protected virtual void OnAsyncProgressChanged(ProgressReportEventArgs eventArguments) {
EventHandler<ProgressReportEventArgs> copy = AsyncProgressChanged;
if(copy != null)
copy(this, eventArguments);
}
public void TestCompleteProgress()
{
ProgressReportEventArgs zeroProgress = new ProgressReportEventArgs(1.0f);
Assert.AreEqual(1.0f, zeroProgress.Progress);
}
public void TestZeroProgress()
{
ProgressReportEventArgs zeroProgress = new ProgressReportEventArgs(0.0f);
Assert.AreEqual(0.0f, zeroProgress.Progress);
}
/// <summary>Called when the tracked transaction's progress updates</summary>
/// <param name="sender">Transaction whose progress has been updated</param>
/// <param name="arguments">
/// Contains the new progress achieved by the transaction
/// </param>
private void asyncProgressChanged(object sender, ProgressReportEventArgs arguments) {
// See if this is the first progress update we're receiving. If yes, we need to
// switch the progress bar from marquee into its normal mode!
int haveProgress = Interlocked.Exchange(ref this.areProgressUpdatesIncoming, 1);
if(haveProgress == 0) {
this.progressBar.BeginInvoke(
(MethodInvoker)delegate() { this.progressBar.Style = ProgressBarStyle.Blocks; }
);
}
// Send the new progress to the progress bar
this.progressBar.AsyncSetValue(arguments.Progress);
}
