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Diffstat (limited to 'include/comphelper/accessiblecomponenthelper.hxx')
| -rw-r--r-- | include/comphelper/accessiblecomponenthelper.hxx | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/include/comphelper/accessiblecomponenthelper.hxx b/include/comphelper/accessiblecomponenthelper.hxx new file mode 100644 index 000000000000..d0eabc27b807 --- /dev/null +++ b/include/comphelper/accessiblecomponenthelper.hxx @@ -0,0 +1,140 @@ +/* -*- 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 . + */ + +#ifndef COMPHELPER_ACCESSIBLE_COMPONENT_HELPER_HXX +#define COMPHELPER_ACCESSIBLE_COMPONENT_HELPER_HXX + +#include <com/sun/star/accessibility/XAccessibleComponent.hpp> +#include <com/sun/star/accessibility/XAccessibleExtendedComponent.hpp> +#include <comphelper/accessiblecontexthelper.hxx> +#include <cppuhelper/implbase1.hxx> +#include <comphelper/uno3.hxx> +#include "comphelper/comphelperdllapi.h" + +//......................................................................... +namespace comphelper +{ +//......................................................................... + + //===================================================================== + //= OCommonAccessibleComponent + //===================================================================== + /** base class encapsulating common functionality for the helper classes implementing + the XAccessibleComponent respectively XAccessibleExtendendComponent + */ + class COMPHELPER_DLLPUBLIC OCommonAccessibleComponent : public OAccessibleContextHelper + { + protected: + OCommonAccessibleComponent(); + /// see the respective base class ctor for an extensive comment on this, please + OCommonAccessibleComponent( IMutex* _pExternalLock ); + ~OCommonAccessibleComponent(); + + protected: + /// implements the calculation of the bounding rectangle - still waiting to be overwritten + virtual ::com::sun::star::awt::Rectangle SAL_CALL implGetBounds( ) throw (::com::sun::star::uno::RuntimeException) = 0; + + protected: + /** non-virtual versions of the methods which can be implemented using <method>implGetBounds</method> + note: getLocationOnScreen relies on a valid parent (XAccessibleContext::getParent()->getAccessibleContext()), + which itself implements XAccessibleComponent + */ + sal_Bool SAL_CALL containsPoint( const ::com::sun::star::awt::Point& aPoint ) throw (::com::sun::star::uno::RuntimeException); + ::com::sun::star::awt::Point SAL_CALL getLocation( ) throw (::com::sun::star::uno::RuntimeException); + ::com::sun::star::awt::Point SAL_CALL getLocationOnScreen( ) throw (::com::sun::star::uno::RuntimeException); + ::com::sun::star::awt::Size SAL_CALL getSize( ) throw (::com::sun::star::uno::RuntimeException); + ::com::sun::star::awt::Rectangle SAL_CALL getBounds( ) throw (::com::sun::star::uno::RuntimeException); + }; + + //===================================================================== + //= OAccessibleComponentHelper + //===================================================================== + + struct OAccessibleComponentHelper_Base : + public ::cppu::ImplHelper1< ::com::sun::star::accessibility::XAccessibleComponent > + { + protected: + ~OAccessibleComponentHelper_Base() {} + }; + + /** a helper class for implementing an AccessibleContext which at the same time + supports an XAccessibleComponent interface. + */ + class COMPHELPER_DLLPUBLIC OAccessibleComponentHelper + :public OCommonAccessibleComponent + ,public OAccessibleComponentHelper_Base + { + protected: + OAccessibleComponentHelper( ); + /// see the respective base class ctor for an extensive comment on this, please + OAccessibleComponentHelper( IMutex* _pExternalLock ); + + public: + // XInterface + DECLARE_XINTERFACE( ) + DECLARE_XTYPEPROVIDER( ) + + // XAccessibleComponent - default implementations + virtual sal_Bool SAL_CALL containsPoint( const ::com::sun::star::awt::Point& aPoint ) throw (::com::sun::star::uno::RuntimeException); + virtual ::com::sun::star::awt::Point SAL_CALL getLocation( ) throw (::com::sun::star::uno::RuntimeException); + virtual ::com::sun::star::awt::Point SAL_CALL getLocationOnScreen( ) throw (::com::sun::star::uno::RuntimeException); + virtual ::com::sun::star::awt::Size SAL_CALL getSize( ) throw (::com::sun::star::uno::RuntimeException); + virtual ::com::sun::star::awt::Rectangle SAL_CALL getBounds( ) throw (::com::sun::star::uno::RuntimeException); + }; + + //===================================================================== + //= OAccessibleExtendedComponentHelper + //===================================================================== + + typedef ::cppu::ImplHelper1 < ::com::sun::star::accessibility::XAccessibleExtendedComponent + > OAccessibleExtendedComponentHelper_Base; + + /** a helper class for implementing an AccessibleContext which at the same time + supports an XAccessibleExtendedComponent interface. + */ + class COMPHELPER_DLLPUBLIC OAccessibleExtendedComponentHelper + :public OCommonAccessibleComponent + ,public OAccessibleExtendedComponentHelper_Base + { + protected: + OAccessibleExtendedComponentHelper( ); + /// see the respective base class ctor for an extensive comment on this, please + OAccessibleExtendedComponentHelper( IMutex* _pExternalLock ); + + public: + // XInterface + DECLARE_XINTERFACE( ) + DECLARE_XTYPEPROVIDER( ) + + // XAccessibleComponent - default implementations + virtual sal_Bool SAL_CALL containsPoint( const ::com::sun::star::awt::Point& aPoint ) throw (::com::sun::star::uno::RuntimeException); + virtual ::com::sun::star::awt::Point SAL_CALL getLocation( ) throw (::com::sun::star::uno::RuntimeException); + virtual ::com::sun::star::awt::Point SAL_CALL getLocationOnScreen( ) throw (::com::sun::star::uno::RuntimeException); + virtual ::com::sun::star::awt::Size SAL_CALL getSize( ) throw (::com::sun::star::uno::RuntimeException); + virtual ::com::sun::star::awt::Rectangle SAL_CALL getBounds( ) throw (::com::sun::star::uno::RuntimeException); + }; + +//......................................................................... +} // namespace comphelper +//......................................................................... + +#endif // COMPHELPER_ACCESSIBLE_COMPONENT_HELPER_HXX + + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |