/// ------------------------------------------------------------------------------------
/// <summary>
/// Subscribes to the Position changed event for all windows in current link set.
/// </summary>
/// <remarks>NOTE: subscribing to all windows in the link set fires the position changed
/// event multiple times. However, if we don't do it and the first window happens not to
/// have the same range as the other resources, then we don't get event.</remarks>
/// ------------------------------------------------------------------------------------
private void SetupPositionEvents()
{
m_cookies.Clear();
try
{
if (m_libronixApp == null || m_PositionChangedBridge == null)
{
return;
}
LbxWindows windows = m_libronixApp.Application.Windows;
foreach (LbxWindow window in windows)
{
if (window.Type == "resource")
{
LbxResourceWindowInfo windowInfo = (LbxResourceWindowInfo)window.Info;
if (windowInfo.ActiveDataType == "bible")
{
int cookie = m_PositionChangedBridge.Connect(windowInfo);
LbxResourceView view = (LbxResourceView)window.View;
LbxResource resource = (LbxResource)view.Resource;
LbxResourcePositions positions =
(LbxResourcePositions)resource.get_Positions(null);
m_cookies.Add(new LinkInfo(windowInfo, cookie, positions));
}
}
}
}
catch (COMException e)
{
Debug.Fail("Got exception in LibronixPositionHandler.SetupPositionEvents: " + e.Message);
m_libronixApp = null;
}
}
/// ------------------------------------------------------------------------------------
/// <summary>
/// Sends the scroll synchronization message to Libronix for all resource windows in
/// the current link set.
/// </summary>
/// <param name="bcvRef">The reference in BBCCCVVV format.</param>
/// <developernote>This method is called on the main thread</developernote>
/// ------------------------------------------------------------------------------------
public void SetLibronixFocus(int bcvRef)
{
if (m_fProcessingMessage)
{
return;
}
m_fProcessingMessage = true;
try
{
LbxResourceWindowInfo info = null;
string reference = null;
lock (m_Synchronizer)
{
if (m_libronixApp == null)
{
return;
}
LbxWindowLinkSet linkSet = (LbxWindowLinkSet)m_libronixApp.WindowLinkSets[m_LinkSet];
LbxWindows windows = m_libronixApp.Application.Windows;
foreach (LbxWindow window in windows)
{
if (window.Type == "resource" && linkSet.Windows.Find(window) >= 0)
{
info = (LbxResourceWindowInfo)window.Info;
if (info.ActiveDataType == "bible")
{
reference = ConvertFromBcv(bcvRef);
break; // don't go on, the last info found may NOT have the right type.
}
}
}
}
// don't lock here since calling GoToReference causes a callback from Libronix
if (info != null && reference != null)
{
info.GoToReference(reference, 0, int.MaxValue, string.Empty, null);
}
}
catch (Exception e)
{
// just ignore any errors
Debug.Fail("Got exception in SetLibronixFocus: " + e.Message);
}
finally
{
m_fProcessingMessage = false;
}
}
/// <summary>
/// See if we can get a current reference from some linked resource in Libronix.
/// If so, and if it is different from our current one, raise the appropriate event.
/// </summary>
/// <param name="args"></param>
/// <param name="sender"></param>
void m_pollTimer_Tick(object sender, EventArgs args)
{
try
{
int bcvRef = -1;
lock (m_Synchronizer)
{
if (m_libronixApp == null)
{
return;
}
LbxWindows windows = m_libronixApp.Application.Windows;
foreach (LbxWindow window in windows)
{
if (window.Type == "resource")
{
LbxResourceWindowInfo windowInfo = (LbxResourceWindowInfo)window.Info;
if (windowInfo.ActiveDataType == "bible")
{
bcvRef = ConvertToBcv(windowInfo.ActiveReference);
if (bcvRef >= 0)
{
if (bcvRef != m_bcvRef)
{
m_bcvRef = bcvRef;
RaisePositionChangedEvent(new PositionChangedEventArgs(bcvRef));
}
// It's very important that we return, whether or not the reference is different,
// the first time we find a valid reference source. Otherwise, if Libronix is
// displaying two relevant windows at different locations, TE starts oscillating,
// since each tick one of them has the same reference as last time, so the OTHER
// is selected as the one to switch to.
return;
}
}
}
}
}
}
catch (Exception e)
{
Debug.Fail("Got exception in m_pollTimer_Tick: " + e.Message);
}
}
