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| -rw-r--r-- | UnoControls/inc/multiplexer.hxx | 233 |
1 files changed, 233 insertions, 0 deletions
diff --git a/UnoControls/inc/multiplexer.hxx b/UnoControls/inc/multiplexer.hxx new file mode 100644 index 000000000..1c5aa98ca --- /dev/null +++ b/UnoControls/inc/multiplexer.hxx @@ -0,0 +1,233 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#pragma once + +#include <com/sun/star/awt/XKeyListener.hpp> +#include <com/sun/star/awt/XPaintListener.hpp> +#include <com/sun/star/awt/XMouseMotionListener.hpp> +#include <com/sun/star/awt/XWindowListener.hpp> +#include <com/sun/star/awt/XTopWindowListener.hpp> +#include <com/sun/star/awt/XMouseListener.hpp> +#include <com/sun/star/awt/XFocusListener.hpp> +#include <cppuhelper/weak.hxx> +#include <cppuhelper/weakref.hxx> +#include <cppuhelper/interfacecontainer.hxx> + +namespace com::sun::star::awt { class XWindow; } +namespace com::sun::star::awt { struct KeyEvent; } +namespace com::sun::star::awt { struct MouseEvent; } +namespace com::sun::star::awt { struct PaintEvent; } +namespace com::sun::star::awt { struct WindowEvent; } + +namespace unocontrols { + +class OMRCListenerMultiplexerHelper final : public css::awt::XFocusListener + , public css::awt::XWindowListener + , public css::awt::XKeyListener + , public css::awt::XMouseListener + , public css::awt::XMouseMotionListener + , public css::awt::XPaintListener + , public css::awt::XTopWindowListener + , public ::cppu::OWeakObject +{ +public: + + /** + @short constructor + @descr Create a Multiplexer of XWindowEvents. + @param rControl The control. All listeners think that this is the original broadcaster. + @param rPeer The peer from which the original events are dispatched. Null is allowed. + */ + + OMRCListenerMultiplexerHelper( const css::uno::Reference< css::awt::XWindow >& xControl , + const css::uno::Reference< css::awt::XWindow >& xPeer ); + + /** + @short copy-constructor + @descr + @param rCopyInstance C++-Reference to instance to make copy from. + */ + + OMRCListenerMultiplexerHelper( const OMRCListenerMultiplexerHelper& aCopyInstance ); + + virtual ~OMRCListenerMultiplexerHelper() override; + + // XInterface + + /** + @short give answer, if interface is supported + @descr The interfaces are searched by type. + + @seealso XInterface + + @param "rType" is the type of searched interface. + + @return Any information about found interface + + @onerror A RuntimeException is thrown. + */ + + virtual css::uno::Any SAL_CALL queryInterface( const css::uno::Type& aType ) override; + + /** + @short increment refcount + @seealso XInterface + @seealso release() + @onerror A RuntimeException is thrown. + */ + + virtual void SAL_CALL acquire() throw() override; + + /** + @short decrement refcount + @seealso XInterface + @seealso acquire() + @onerror A RuntimeException is thrown. + */ + + virtual void SAL_CALL release() throw() override; + + OMRCListenerMultiplexerHelper& operator= ( const OMRCListenerMultiplexerHelper& aCopyInstance ); + + // container methods + + /** + @short Remove all listeners from the previous set peer and add the needed listeners to rPeer. + @param rPeer The peer from which the original events are dispatched. Null is allowed. + */ + + void setPeer( const css::uno::Reference< css::awt::XWindow >& xPeer ); + + /** + @short Remove all listeners and send a disposing message. + */ + + void disposeAndClear(); + + /** + @short Add the specified listener to the source. + */ + + void advise( const css::uno::Type& aType , + const css::uno::Reference< css::uno::XInterface >& xListener ); + + /** + @short Remove the specified listener from the source. + */ + + void unadvise( const css::uno::Type& aType , + const css::uno::Reference< css::uno::XInterface >& xListener ); + + // XEventListener + + virtual void SAL_CALL disposing(const css::lang::EventObject& aSource) override; + + // XFocusListener + + virtual void SAL_CALL focusGained(const css::awt::FocusEvent& aEvent ) override; + + virtual void SAL_CALL focusLost(const css::awt::FocusEvent& aEvent ) override; + + // XWindowListener + + virtual void SAL_CALL windowResized(const css::awt::WindowEvent& aEvent ) override; + + virtual void SAL_CALL windowMoved(const css::awt::WindowEvent& aEvent ) override; + + virtual void SAL_CALL windowShown(const css::lang::EventObject& aEvent ) override; + + virtual void SAL_CALL windowHidden(const css::lang::EventObject& aEvent ) override; + + // XKeyListener + + virtual void SAL_CALL keyPressed( const css::awt::KeyEvent& aEvent ) override; + + virtual void SAL_CALL keyReleased( const css::awt::KeyEvent& aEvent ) override; + + // XMouseListener + + virtual void SAL_CALL mousePressed(const css::awt::MouseEvent& aEvent ) override; + + virtual void SAL_CALL mouseReleased(const css::awt::MouseEvent& aEvent ) override; + + virtual void SAL_CALL mouseEntered(const css::awt::MouseEvent& aEvent ) override; + + virtual void SAL_CALL mouseExited(const css::awt::MouseEvent& aEvent ) override; + + // XMouseMotionListener + + virtual void SAL_CALL mouseDragged(const css::awt::MouseEvent& aEvent ) override; + + virtual void SAL_CALL mouseMoved(const css::awt::MouseEvent& aEvent ) override; + + // XPaintListener + + virtual void SAL_CALL windowPaint(const css::awt::PaintEvent& aEvent ) override; + + // XTopWindowListener + + virtual void SAL_CALL windowOpened( const css::lang::EventObject& aEvent ) override; + + virtual void SAL_CALL windowClosing( const css::lang::EventObject& aEvent ) override; + + virtual void SAL_CALL windowClosed( const css::lang::EventObject& aEvent ) override; + + virtual void SAL_CALL windowMinimized( const css::lang::EventObject& aEvent ) override; + + virtual void SAL_CALL windowNormalized( const css::lang::EventObject& aEvent ) override; + + virtual void SAL_CALL windowActivated( const css::lang::EventObject& aEvent ) override; + + virtual void SAL_CALL windowDeactivated( const css::lang::EventObject& aEvent ) override; + +private: + + /** + @short Remove the listener from the peer. + @param xPeer The peer from which the listener is removed. + @param rType The listener type, which specify the type of the listener. + */ + + void impl_adviseToPeer( const css::uno::Reference< css::awt::XWindow >& xPeer , + const css::uno::Type& aType ); + + /** + @short Add the listener to the peer. + @param xPeer The peer to which the listener is added. + @param rType The listener type, which specify the type of the listener. + */ + + void impl_unadviseFromPeer( const css::uno::Reference< css::awt::XWindow >& xPeer , + const css::uno::Type& aType ); + +// private variables + +private: + ::osl::Mutex m_aMutex; + css::uno::Reference< css::awt::XWindow > m_xPeer; /// The source of the events. Normally this is the peer object. + css::uno::WeakReference< css::awt::XWindow > m_xControl; + ::cppu::OMultiTypeInterfaceContainerHelper m_aListenerHolder; + +}; + +} + + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |