instancelocker.hxx

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#pragma once
 
#include <com/sun/star/lang/XComponent.hpp>
#include <com/sun/star/util/XCloseListener.hpp>
#include <com/sun/star/frame/XTerminateListener.hpp>
#include <com/sun/star/lang/XInitialization.hpp>
#include <com/sun/star/lang/XServiceInfo.hpp>
#include <comphelper/interfacecontainer4.hxx>
#include <cppuhelper/weakref.hxx>
#include <cppuhelper/implbase.hxx>
#include <rtl/ref.hxx>
#include <mutex>
 
namespace com::sun::star::embed { class XActionsApproval; }
 
 
class OLockListener;
 
// the service is implemented as a wrapper to be able to die by refcount
// the disposing mechanics is required for java related scenarios
class OInstanceLocker : public ::cppu::WeakImplHelper< css::lang::XComponent,
                                                       css::lang::XInitialization,
                                                       css::lang::XServiceInfo >
{
    std::mutex m_aMutex;
 
    rtl::Reference< OLockListener > m_xLockListener;
 
    comphelper::OInterfaceContainerHelper4<css::lang::XEventListener> m_aListenersContainer; // list of listeners
 
    bool m_bDisposed;
    bool m_bInitialized;
 
public:
    explicit OInstanceLocker();
    virtual ~OInstanceLocker() override;
 
// XComponent
    virtual void SAL_CALL dispose() override;
    virtual void SAL_CALL addEventListener( const css::uno::Reference< css::lang::XEventListener >& xListener ) override;
    virtual void SAL_CALL removeEventListener( const css::uno::Reference< css::lang::XEventListener >& aListener ) override;
 
// XInitialization
    virtual void SAL_CALL initialize( const css::uno::Sequence< css::uno::Any >& aArguments ) override;
 
// XServiceInfo
    virtual OUString SAL_CALL getImplementationName(  ) override;
    virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) override;
    virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames(  ) override;
 
};
 
 
class OLockListener : public ::cppu::WeakImplHelper< css::util::XCloseListener,
                                                     css::frame::XTerminateListener >
{
    std::mutex m_aMutex;
    css::uno::Reference< css::uno::XInterface > m_xInstance;
    css::uno::Reference< css::embed::XActionsApproval > m_xApproval;
 
    css::uno::WeakReference< css::lang::XComponent > m_xWrapper;
 
    bool m_bDisposed;
    bool m_bInitialized;
 
    sal_Int32 m_nMode;
 
public:
    OLockListener(  css::uno::WeakReference< css::lang::XComponent > xWrapper,
                    css::uno::Reference< css::uno::XInterface > xInstance,
                    sal_Int32 nMode,
                    css::uno::Reference< css::embed::XActionsApproval > xApproval );
 
    virtual ~OLockListener() override;
 
    void Init();
    void Dispose();
 
// XEventListener
    virtual void SAL_CALL disposing( const css::lang::EventObject& Source ) override;
 
// XCloseListener
    virtual void SAL_CALL queryClosing( const css::lang::EventObject& Source, sal_Bool GetsOwnership ) override;
    virtual void SAL_CALL notifyClosing( const css::lang::EventObject& Source ) override;
 
// XTerminateListener
    virtual void SAL_CALL queryTermination( const css::lang::EventObject& Event ) override;
    virtual void SAL_CALL notifyTermination( const css::lang::EventObject& Event ) override;
 
};
 
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