// detach from device events
void DetachDevice()
{
if (m_activeDevice != null)
{
if (m_deviceComEvents != null)
{
// commented out - not using these any more (see AttachDevice comment)
//// LC, new unregister the serial number events
//IDeviceCOMEventsExt_Event eex = m_deviceComEvents as IDeviceCOMEventsExt_Event;
//eex.HeadsetStateChanged -= eex_HeadsetStateChanged;
//IBaseCOMEvents_Event be = m_deviceComEvents as IBaseCOMEvents_Event;
//be.BaseEventReceived -= be_BaseEventReceived;
// unregister device event handlers
//m_deviceComEvents.onButtonPressed -= m_deviceComEvents_Handler; // not needed, instead rely on IDeviceListenerEvents.onHeadsetButtonPressed
m_deviceComEvents.onAudioStateChanged -= m_deviceComEvents_Handler;
m_deviceComEvents.onFlashButtonPressed -= m_deviceComEvents_Handler;
m_deviceComEvents.onMuteStateChanged -= m_deviceComEvents_Handler;
m_deviceComEvents.onSmartButtonPressed -= m_deviceComEvents_Handler;
//m_deviceComEvents.onTalkButtonPressed -= m_deviceComEvents_Handler; // not needed, instead rely on IDeviceListenerEvents.onHeadsetButtonPressed
//m_deviceComEvents.onDataReceived -= m_deviceComEvents_onDataReceived; // commenting out this as it locks up on exit
Marshal.ReleaseComObject(m_deviceComEvents);
m_deviceComEvents = null;
}
if (m_deviceListenerEvents != null)
{
// unregister device listener event handlers
m_deviceListenerEvents.onATDStateChanged -= m_deviceListenerEvents_Handler;
m_deviceListenerEvents.onBaseButtonPressed -= m_deviceListenerEvents_Handler;
m_deviceListenerEvents.onBaseStateChanged -= m_deviceListenerEvents_Handler;
m_deviceListenerEvents.onHeadsetButtonPressed -= m_deviceListenerEvents_Handler;
m_deviceListenerEvents.onHeadsetStateChanged -= m_deviceListenerEvents_HandlerMethods;
RegisterForProximity(false);
Marshal.ReleaseComObject(m_deviceListenerEvents);
m_deviceListenerEvents = null;
}
Marshal.ReleaseComObject(m_activeDevice);
m_activeDevice = null;
m_hostCommand = null;
m_hostCommandExt = null;
m_atdCommand = null;
// LC Device was disconnected, clear down the GUI state...
m_mobIncoming = false; // clear mobile call direction flag
m_voipIncoming = false; // clear call direction flag
OnNotOnCall(new NotOnCallArgs(0,""));
OnNotOnMobileCall(EventArgs.Empty);
OnSerialNumber(new SerialNumberArgs("", SerialNumberTypes.Base));
OnSerialNumber(new SerialNumberArgs("", SerialNumberTypes.Headset));
// LC Device was disconnected, remove capability data
DeviceCapabilities = new SpokesDeviceCaps(false, false, false, false, false, false, false); // no device = no capabilities!
m_devicename = "";
m_baseserial = "";
OnCapabilitiesChanged(EventArgs.Empty);
m_lastdocked = false;
//m_battlevEventCount = 0;
// trigger user's event handler
OnDetached(EventArgs.Empty);
DebugPrint(MethodInfo.GetCurrentMethod().Name, "Spokes: DetachedEventHandler from device");
}
m_devicename = "";
m_baseserial = "";
}
// attach to device events
private void AttachDevice()
{
try
{
m_activeDevice = m_comSession.GetActiveDevice();
}
catch (Exception e)
{
DebugPrint(MethodInfo.GetCurrentMethod().Name, "Spokes: Exception caught attaching to device: "+e.ToString());
m_activeDevice = null;
}
if (m_activeDevice != null)
{
// LC assume minimum first set of device capabilities...
DeviceCapabilities =
new SpokesDeviceCaps(false, false, false, false, false, false, false, false);
OnCapabilitiesChanged(EventArgs.Empty);
OnSerialNumber(new SerialNumberArgs("", SerialNumberTypes.Base));
OnSerialNumber(new SerialNumberArgs("", SerialNumberTypes.Headset));
// LC have seen case where ProductName was empty but InternalName was not...
if (m_activeDevice.ProductName.Length > 0)
{
m_devicename = m_activeDevice.ProductName;
}
else if (m_activeDevice.InternalName.Length > 0)
{
m_devicename = m_activeDevice.InternalName;
}
else
{
m_devicename = "Could not determine device name";
}
m_baseserial = m_activeDevice.SerialNumber;
m_lastdocked = false;
//m_battlevEventCount = 0;
m_deviceComEvents = m_activeDevice as ICOMDeviceEvents_Event;
if (m_deviceComEvents != null)
{
// Attach to device events
m_deviceComEvents.onButtonPressed += m_deviceComEvents_Handler; // not needed, instead rely on IDeviceListenerEvents.onHeadsetButtonPressed
//////m_deviceComEvents.onAudioStateChanged += m_deviceComEvents_Handler;
//////m_deviceComEvents.onFlashButtonPressed += m_deviceComEvents_Handler;
m_deviceComEvents.onMuteStateChanged += m_deviceComEvents_Handler;
//////m_deviceComEvents.onSmartButtonPressed += m_deviceComEvents_Handler;
//m_deviceComEvents.onTalkButtonPressed += m_deviceComEvents_Handler; // not needed, instead rely on IDeviceListenerEvents.onHeadsetButtonPressed
// LC 11-7-2013 TT: 23171 Cannot receive OLMP/Bladerunner responses from headset - need to expose Device.DataReceived event to COM
// Try adding onDataReceived event handler
m_deviceComEvents.onDataReceived += new ICOMDeviceEvents_onDataReceivedEventHandler(m_deviceComEvents_onDataReceived);
DebugPrint(MethodInfo.GetCurrentMethod().Name, "Spokes: AttachedEventHandler to device events");
}
else
{
DebugPrint(MethodInfo.GetCurrentMethod().Name, "Spokes: Error: unable to attach to device events");
return;
}
//// if the ActiveDevice is a Calisto device, need additional initialization
//// TODO: work out if this is needed in Spokes 3.0 - it's not currently exposed via COM!
//if (m_activeDevice.HostCommand.IsSupported(FeatureType.FeatureType_DisplayDevice))
//{
// InitDisplayDevice();
//}
m_deviceListenerEvents = m_activeDevice.DeviceListener as ICOMDeviceListenerEvents_Event;
if (m_deviceListenerEvents != null)
{
// Attach to device listener events
m_deviceListenerEvents.onATDStateChanged += m_deviceListenerEvents_Handler;
m_deviceListenerEvents.onBaseButtonPressed += m_deviceListenerEvents_Handler;
m_deviceListenerEvents.onBaseStateChanged += m_deviceListenerEvents_Handler;
m_deviceListenerEvents.onHeadsetButtonPressed += m_deviceListenerEvents_Handler;
m_deviceListenerEvents.onHeadsetStateChanged += m_deviceListenerEvents_HandlerMethods;
}
else
{
DebugPrint(MethodInfo.GetCurrentMethod().Name, "Spokes: Error: unable to attach to device listener events");
return;
}
// The below call (now with exception catching) tries to register
// for extended headsetstatechange and base events that were used
// for reading serial numbers from device using "asyncronous" method.
// Following discussion with Ramesh Feb 2013 the Spokes Wrapper
// primarily tries to read serial numbers using the "syncronous"
// method based on HeadsetStateChange/BaseStateChange serial number
// events and GetSerialNumber_2 method. However, this has been left
// in because GetSerialNumber_2 is not working! (At least this way the
// base serial number is obtainable! LC 14th Mar 2013)
RegisterForExtendedEvents();
m_hostCommand = m_activeDevice.HostCommand;
if (m_hostCommand == null) DebugPrint(MethodInfo.GetCurrentMethod().Name, "Spokes: Error: unable to obtain host command interface");
m_atdCommand = m_activeDevice.HostCommand as ICOMATDCommand;
if (m_atdCommand == null) DebugPrint(MethodInfo.GetCurrentMethod().Name, "Spokes: Error: unable to obtain atd command interface");
m_hostCommandExt = m_activeDevice.HostCommand as ICOMHostCommandExt;
if (m_hostCommandExt == null) DebugPrint(MethodInfo.GetCurrentMethod().Name, "Spokes: Error: unable to obtain host command ext interface");
m_userPreference = m_sessionComManager.UserPreference;
if (m_userPreference == null) DebugPrint(MethodInfo.GetCurrentMethod().Name, "Spokes: Error: unable to obtain user preference interface");
m_advanceSettings = m_activeDevice.HostCommand as ICOMAdvanceSettings;
if (m_advanceSettings == null) DebugPrint(MethodInfo.GetCurrentMethod().Name, "Spokes: Error: unable to obtain advanced settings interface");
m_deviceSettings = m_activeDevice.HostCommand as ICOMDeviceSettings;
if (m_deviceSettings == null) DebugPrint(MethodInfo.GetCurrentMethod().Name, "Spokes: Error: unable to obtain device settings interface");
m_deviceListener = m_activeDevice.DeviceListener;
if (m_deviceListener == null) DebugPrint(MethodInfo.GetCurrentMethod().Name, "Spokes: Error: unable to obtain device listener interface");
m_deviceSettingsExt = m_activeDevice.HostCommand as ICOMDeviceSettingsExt;
if (m_deviceSettingsExt == null) DebugPrint(MethodInfo.GetCurrentMethod().Name, "Spokes: Error: unable to obtain device settings ext interface");
UpdateOtherDeviceCapabilities();
// trigger user's event handler
OnAttached(new AttachedArgs(m_activeDevice));
OnSerialNumber(new SerialNumberArgs(m_baseserial, SerialNumberTypes.Base));
// now poll for current state (proximity, mobile call status, donned status, mute status)
GetInitialDeviceState();
DebugPrint(MethodInfo.GetCurrentMethod().Name, "Spokes: AttachedEventHandler to device");
}
}