/**
* Internal call back for frame action events, triggered by the used OnewayExecutor thread we
* started in frameAction(). We use it to update our interception on the internal saved frame.
*
* @param aEvent describes the action
*/
private void impl_frameAction(/*IN*/ com.sun.star.frame.FrameActionEvent aEvent) {
synchronized (this) {
if (m_bDead) return;
}
// deregistration will be done every time...
// But may it's not necessary to establish a new registration!
// Don't look for ignoring actions - it was done already inside original frameAction() call!
boolean bRegister = false;
// analyze the event and decide which reaction is useful
switch (aEvent.Action.getValue()) {
case com.sun.star.frame.FrameAction.COMPONENT_ATTACHED_value:
bRegister = true;
break;
case com.sun.star.frame.FrameAction.COMPONENT_REATTACHED_value:
bRegister = true;
break;
case com.sun.star.frame.FrameAction.COMPONENT_DETACHING_value:
bRegister = false;
break;
}
com.sun.star.frame.XFrame xFrame = null;
boolean bIsRegistered = false;
synchronized (this) {
bIsRegistered = m_bIsRegistered;
m_bIsRegistered = false;
xFrame = m_xFrame;
}
com.sun.star.frame.XDispatchProviderInterception xRegistration =
UnoRuntime.queryInterface(com.sun.star.frame.XDispatchProviderInterception.class, xFrame);
if (xRegistration == null) return;
if (bIsRegistered) xRegistration.releaseDispatchProviderInterceptor(this);
if (!bRegister) return;
xRegistration.registerDispatchProviderInterceptor(this);
synchronized (this) {
m_bIsRegistered = true;
}
}
/**
* If this java application shutdown - we must cancel all current existing listener connections.
* Otherwhise the office will run into some DisposedExceptions if it tries to use these forgotten
* listener references. And of course it can die doing that. We are registered at a central object
* to be informed if the VM will exit. So we can react.
*/
public void shutdown() {
com.sun.star.frame.XFrame xFrame = null;
boolean bIsRegistered = false;
boolean bIsActionListener = false;
synchronized (this) {
// don't react a second time here!
if (m_bDead) return;
m_bDead = true;
bIsRegistered = m_bIsRegistered;
m_bIsRegistered = false;
bIsActionListener = m_bIsActionListener;
m_bIsActionListener = false;
xFrame = m_xFrame;
m_xFrame = null;
}
// it's a good idea to cancel listening for frame action events
// before(!) we deregister us as an interceptor.
// Because registration and deregistratio nof interceptor objects
// will force sending of frame action events...!
if (bIsActionListener) xFrame.removeFrameActionListener(this);
if (bIsRegistered) {
com.sun.star.frame.XDispatchProviderInterception xRegistration =
UnoRuntime.queryInterface(com.sun.star.frame.XDispatchProviderInterception.class, xFrame);
if (xRegistration != null) xRegistration.releaseDispatchProviderInterceptor(this);
}
xFrame = null;
synchronized (this) {
m_xMaster = null;
m_xSlave = null;
}
}
