PresenterFrameworkObserver.cxx

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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#include "PresenterFrameworkObserver.hxx"
#include <com/sun/star/lang/IllegalArgumentException.hpp>
#include <utility>
 
using namespace ::com::sun::star;
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::drawing::framework;
 
 
namespace sdext::presenter {
 
PresenterFrameworkObserver::PresenterFrameworkObserver (
    css::uno::Reference<css::drawing::framework::XConfigurationController> xController,
    const Action& rAction)
    : PresenterFrameworkObserverInterfaceBase(m_aMutex),
      mxConfigurationController(std::move(xController)),
      maAction(rAction)
{
    if ( ! mxConfigurationController.is())
        throw lang::IllegalArgumentException();
 
    if (mxConfigurationController->hasPendingRequests())
    {
        mxConfigurationController->addConfigurationChangeListener(
            this,
            "ConfigurationUpdateEnd",
            Any());
    }
    else
    {
        rAction(true);
    }
}
 
PresenterFrameworkObserver::~PresenterFrameworkObserver()
{
}
 
void PresenterFrameworkObserver::RunOnUpdateEnd (
    const css::uno::Reference<css::drawing::framework::XConfigurationController>&rxController,
    const Action& rAction)
{
    new PresenterFrameworkObserver(
        rxController,
        rAction);
}
 
void SAL_CALL PresenterFrameworkObserver::disposing()
{
    if (maAction)
        maAction(false);
    Shutdown();
}
 
void PresenterFrameworkObserver::Shutdown()
{
    maAction = Action();
    if (mxConfigurationController != nullptr)
    {
        mxConfigurationController->removeConfigurationChangeListener(this);
        mxConfigurationController = nullptr;
    }
}
 
void SAL_CALL PresenterFrameworkObserver::disposing (const lang::EventObject& rEvent)
{
    if ( ! rEvent.Source.is())
        return;
 
    if (rEvent.Source == mxConfigurationController)
    {
        mxConfigurationController = nullptr;
        if (maAction)
            maAction(false);
    }
}
 
void SAL_CALL PresenterFrameworkObserver::notifyConfigurationChange (
    const ConfigurationChangeEvent& /*rEvent*/)
{
    Action aAction(maAction);
    Shutdown();
    aAction(true);
 
    maAction = nullptr;
    dispose();
}
 
}  // end of namespace ::sdext::presenter
 
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