public override bool Equals(object obj)
{
if (obj != null && obj is OoAccessibilitySelection)
{
OoAccessibilitySelection objS = obj as OoAccessibilitySelection;
if (objS.Source.Equals(this.Source))
{
if (objS.Count == this.Count)
{
if (objS.Count > 0)
{
foreach (var item in objS.SelectedItems)
{
if (!this.SelectedItems.Contains(item))
{
return(false);
}
}
}
return(true);
}
}
}
return(false);
}
/// <summary>
/// Tries to the get current selection.
/// </summary>
/// <param name="doc">The document window.</param>
/// <param name="selectedShapesList">The list of currently selected shapes.</param>
/// <returns><c>true</c> if the selection could be achieved; otherwise <c>false</c> (e.g. because it was aborted by time limit)</returns>
/// <remarks>This request is time limited to 300 ms.</remarks>
public bool TryGetSelection(OoAccessibleDocWnd doc, out OoAccessibilitySelection selection)
{
selection = null;
List <OoShapeObserver> selectedShapesList2 = new List <OoShapeObserver>();
bool innerSuccess = false;
bool success = false;
if (doc != null)
{
try
{
if (_cachedSelection.ContainsKey(doc))
{
int i = 0;
while (!_cachedSelection.TryGetValue(doc, out selection) && i++ < 3)
{
Thread.Sleep(5);
}
if (i < 3)
{
if (selection != null &&
DateTime.Now - selection.SelectionCreationTime < new TimeSpan(0, 1, 0))
{
//System.Diagnostics.Debug.WriteLine("******* GET Cached Selection for WND: " + doc + " result in " + selection.Count + " selected Items.");
return(true);
}
}
}
success = TimeLimitExecutor.WaitForExecuteWithTimeLimit(300, () =>
{
try
{
lock (doc.SynchLock)
{
innerSuccess = tryGetSelection(doc, out selectedShapesList2);
}
}
catch { innerSuccess = false; }
}, "HandleSelectionChanged");
var selection2 = new OoAccessibilitySelection(doc, selectedShapesList2);
if (success & innerSuccess)
{
//System.Diagnostics.Debug.WriteLine("++++++ ADD to cached Selection for WND: " + doc + " result in " + selection2.Count + " selected Items.");
_cachedSelection.AddOrUpdate(doc, selection2, (key, oldValue) => selection2);
selection = selection2;
}
//else resetSelectionCache();
}
catch (ThreadInterruptedException) { }
catch (ThreadAbortException) { }
}
//System.Diagnostics.Debug.WriteLine(".... Selection Return: " + (selection != null ? selection.Count.ToString() : " invalid selection"));
return(success & innerSuccess);
}