/* -*- 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 INCLUDED_SW_SOURCE_CORE_ACCESS_ACCCONTEXT_HXX #define INCLUDED_SW_SOURCE_CORE_ACCESS_ACCCONTEXT_HXX #include #include #include #include #include #include #include #include class Window; class SwAccessibleMap; class SwCrsrShell; class SdrObject; class SwPaM; namespace utl { class AccessibleStateSetHelper; } namespace accessibility { class AccessibleShape; } const sal_Char sAccessibleServiceName[] = "com.sun.star.accessibility.Accessible"; class SwAccessibleContext : public ::cppu::WeakImplHelper5< ::com::sun::star::accessibility::XAccessible, ::com::sun::star::accessibility::XAccessibleContext, ::com::sun::star::accessibility::XAccessibleComponent, ::com::sun::star::accessibility::XAccessibleEventBroadcaster, ::com::sun::star::lang::XServiceInfo >, public SwAccessibleFrame { // The implements for the XAccessibleSelection interface has been // 'externalized' and wants access to the protected members like // GetMap, GetChild, GetParent, and GetFrm. friend class SwAccessibleSelectionHelper; protected: mutable ::osl::Mutex aListenerMutex; mutable ::osl::Mutex aMutex; private: OUString sName; // immutable outside constructor // The parent if it has been retrieved. This is always an // SwAccessibleContext. (protected by Mutex) ::com::sun::star::uno::WeakReference < ::com::sun::star::accessibility::XAccessible > xWeakParent; SwAccessibleMap *pMap; // must be protected by solar mutex sal_uInt32 nClientId; // client id in the AccessibleEventNotifier queue sal_Int16 nRole; // immutable outside constructor // The current states (protected by mutex) sal_Bool bIsShowingState : 1; sal_Bool bIsEditableState : 1; sal_Bool bIsOpaqueState : 1; sal_Bool bIsDefuncState : 1; // Are we currently disposing that object (protected by solar mutex)? sal_Bool bDisposing : 1; // #i85634# - boolean, indicating if the accessible context is // in general registered at the accessible map. bool bRegisteredAtAccessibleMap; void InitStates(); //Add a member to identify the firt time that document load sal_Bool bBeginDocumentLoad; protected: void SetName( const OUString& rName ) { sName = rName; } inline sal_Int16 GetRole() const { return nRole; } //Add a member to identify if the document is Asyn load. sal_Bool isIfAsynLoad; //This flag is used to mark the object's selected state. sal_Bool bIsSeletedInDoc; void SetParent( SwAccessibleContext *pParent ); ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible> GetWeakParent() const; sal_Bool IsDisposing() const { return bDisposing; } Window *GetWindow(); SwAccessibleMap *GetMap() { return pMap; } const SwAccessibleMap *GetMap() const { return pMap; } /** convenience method to get the SwViewShell through accessibility map */ inline SwViewShell* GetShell() { return GetMap()->GetShell(); } inline const SwViewShell* GetShell() const { return GetMap()->GetShell(); } /** convenience method to get SwCrsrShell through accessibility map * @returns SwCrsrShell, or NULL if none is found */ SwCrsrShell* GetCrsrShell(); const SwCrsrShell* GetCrsrShell() const; // Notify all children that the vis araea has changed. // The SwFrm might belong to the current object or to any other child or // grandchild. void ChildrenScrolled( const SwFrm *pFrm, const SwRect& rOldVisArea ); // The context's showing state changed. May only be called for context that // exist even if they aren't visible. void Scrolled( const SwRect& rOldVisArea ); // A child has been moved while setting the vis area void ScrolledWithin( const SwRect& rOldVisArea ); // The has been added while setting the vis area void ScrolledIn(); // The context has to be removed while setting the vis area void ScrolledOut( const SwRect& rOldVisArea ); // Invalidate the states of all children of the specified SwFrm. The // SwFrm might belong the current object or to any child or grandchild! // #i27301# - use new type definition for <_nStates> void InvalidateChildrenStates( const SwFrm* _pFrm, tAccessibleStates _nStates ); // Dispose children of the specified SwFrm. The SwFrm might belong to // the current object or to any other child or grandchild. void DisposeChildren( const SwFrm *pFrm, sal_Bool bRecursive ); void DisposeShape( const SdrObject *pObj, ::accessibility::AccessibleShape *pAccImpl ); void ScrolledInShape( const SdrObject *pObj, ::accessibility::AccessibleShape *pAccImpl ); virtual void _InvalidateContent( sal_Bool bVisibleDataFired ); virtual void _InvalidateCursorPos(); virtual void _InvalidateFocus(); public: void SetMap(SwAccessibleMap *pM){pMap = pM;} void FireAccessibleEvent( ::com::sun::star::accessibility::AccessibleEventObject& rEvent ); protected: // broadcast visual data event void FireVisibleDataEvent(); // broadcast state change event void FireStateChangedEvent( sal_Int16 nState, sal_Bool bNewState ); // Set states for getAccessibleStateSet. // This base class sets DEFUNC(0/1), EDITABLE(0/1), ENABLED(1), // SHOWING(0/1), OPAQUE(0/1) and VISIBLE(1). virtual void GetStates( ::utl::AccessibleStateSetHelper& rStateSet ); sal_Bool IsEditableState(); virtual ::com::sun::star::awt::Rectangle SAL_CALL getBoundsImpl(sal_Bool bRelative) throw (::com::sun::star::uno::RuntimeException); // #i85634# inline void NotRegisteredAtAccessibleMap() { bRegisteredAtAccessibleMap = false; } void RemoveFrmFromAccessibleMap(); virtual ~SwAccessibleContext(); public: SwAccessibleContext( SwAccessibleMap *pMap, sal_Int16 nRole, const SwFrm *pFrm ); // XAccessible // Return the XAccessibleContext. virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessibleContext> SAL_CALL getAccessibleContext (void) throw (com::sun::star::uno::RuntimeException, std::exception); // XAccessibleContext // Return the number of currently visible children. virtual sal_Int32 SAL_CALL getAccessibleChildCount (void) throw (::com::sun::star::uno::RuntimeException, std::exception); // Return the specified child or NULL if index is invalid. virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible> SAL_CALL getAccessibleChild (sal_Int32 nIndex) throw (::com::sun::star::uno::RuntimeException, ::com::sun::star::lang::IndexOutOfBoundsException, std::exception); // Return a reference to the parent. virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible> SAL_CALL getAccessibleParent (void) throw (::com::sun::star::uno::RuntimeException, std::exception); // Return this objects index among the parents children. virtual sal_Int32 SAL_CALL getAccessibleIndexInParent (void) throw (::com::sun::star::uno::RuntimeException, std::exception); // Return this object's role. virtual sal_Int16 SAL_CALL getAccessibleRole (void) throw (::com::sun::star::uno::RuntimeException, std::exception); // Return this object's description. virtual OUString SAL_CALL getAccessibleDescription (void) throw (::com::sun::star::uno::RuntimeException, std::exception); // Return the object's current name. virtual OUString SAL_CALL getAccessibleName (void) throw (::com::sun::star::uno::RuntimeException, std::exception); // Return NULL to indicate that an empty relation set. virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessibleRelationSet> SAL_CALL getAccessibleRelationSet (void) throw (::com::sun::star::uno::RuntimeException, std::exception); // Return the set of current states. virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessibleStateSet> SAL_CALL getAccessibleStateSet (void) throw (::com::sun::star::uno::RuntimeException, std::exception); /** Return the parents locale or throw exception if this object has no parent yet/anymore. */ virtual ::com::sun::star::lang::Locale SAL_CALL getLocale (void) throw (::com::sun::star::accessibility::IllegalAccessibleComponentStateException, ::com::sun::star::uno::RuntimeException, std::exception); // XAccessibleEventBroadcaster virtual void SAL_CALL addAccessibleEventListener( const ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessibleEventListener >& xListener ) throw (::com::sun::star::uno::RuntimeException, std::exception); virtual void SAL_CALL removeAccessibleEventListener( const ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessibleEventListener >& xListener ) throw (::com::sun::star::uno::RuntimeException, std::exception); // XAccessibleComponent virtual sal_Bool SAL_CALL containsPoint( const ::com::sun::star::awt::Point& aPoint ) throw (::com::sun::star::uno::RuntimeException, std::exception); virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible > SAL_CALL getAccessibleAtPoint( const ::com::sun::star::awt::Point& aPoint ) throw (::com::sun::star::uno::RuntimeException, std::exception); virtual ::com::sun::star::awt::Rectangle SAL_CALL getBounds() throw (::com::sun::star::uno::RuntimeException, std::exception); virtual ::com::sun::star::awt::Point SAL_CALL getLocation() throw (::com::sun::star::uno::RuntimeException, std::exception); virtual ::com::sun::star::awt::Point SAL_CALL getLocationOnScreen() throw (::com::sun::star::uno::RuntimeException, std::exception); virtual ::com::sun::star::awt::Size SAL_CALL getSize() throw (::com::sun::star::uno::RuntimeException, std::exception); virtual void SAL_CALL grabFocus() throw (::com::sun::star::uno::RuntimeException, std::exception); virtual ::com::sun::star::uno::Any SAL_CALL getAccessibleKeyBinding() throw (::com::sun::star::uno::RuntimeException); virtual sal_Int32 SAL_CALL getForeground() throw (::com::sun::star::uno::RuntimeException, std::exception); virtual sal_Int32 SAL_CALL getBackground() throw (::com::sun::star::uno::RuntimeException, std::exception); // XServiceInfo /** Returns an identifier for the implementation of this object. */ virtual OUString SAL_CALL getImplementationName (void) throw (::com::sun::star::uno::RuntimeException, std::exception); /** Return whether the specified service is supported by this class. */ virtual sal_Bool SAL_CALL supportsService (const OUString& sServiceName) throw (::com::sun::star::uno::RuntimeException, std::exception); /** Returns a list of all supported services. In this case that is just the AccessibleContext service. */ virtual ::com::sun::star::uno::Sequence< OUString> SAL_CALL getSupportedServiceNames (void) throw (::com::sun::star::uno::RuntimeException, std::exception); // thread safe C++ interface // The object is not visible an longer and should be destroyed virtual void Dispose( sal_Bool bRecursive = sal_False ); // The child object is not visible an longer and should be destroyed virtual void DisposeChild( const sw::access::SwAccessibleChild& rFrmOrObj, sal_Bool bRecursive ); // The object has been moved by the layout virtual void InvalidatePosOrSize( const SwRect& rFrm ); // The vhild object has been moved by the layout virtual void InvalidateChildPosOrSize( const sw::access::SwAccessibleChild& rFrmOrObj, const SwRect& rFrm ); // The content may have changed (but it hasn't tohave changed) void InvalidateContent(); // The caretPos has changed void InvalidateCursorPos(); // The Focus state has changed void InvalidateFocus(); // Check states // #i27301# - use new type definition for <_nStates> void InvalidateStates( tAccessibleStates _nStates ); // the XAccessibleRelationSet may have changed void InvalidateRelation( sal_uInt16 nType ); void InvalidateTextSelection(); // #i27301# - text selection has changed void InvalidateAttr(); // #i88069# - attributes has changed bool HasAdditionalAccessibleChildren(); // #i88070# - get additional child by index Window* GetAdditionalAccessibleChild( const sal_Int32 nIndex ); // #i88070# - get all additional accessible children void GetAdditionalAccessibleChildren( std::vector< Window* >* pChildren ); const OUString& GetName() const { return sName; } virtual sal_Bool HasCursor(); // required by map to remember that object sal_Bool Select( SwPaM *pPaM, SdrObject *pObj, sal_Bool bAdd ); inline sal_Bool Select( SwPaM& rPaM ) { return Select( &rPaM, 0, sal_False ); } inline sal_Bool Select( SdrObject *pObj, sal_Bool bAdd ) { return Select( 0, pObj, bAdd ); } //This method is used to updated the selected state and fire the selected state changed event. virtual sal_Bool SetSelectedState(sal_Bool bSeleted); sal_Bool IsSeletedInDoc(){ return bIsSeletedInDoc; } static OUString GetResource( sal_uInt16 nResId, const OUString *pArg1 = 0, const OUString *pArg2 = 0 ); }; // some heaviliy used exception support const sal_Char sDefunc[] = "object is defunctional"; const sal_Char sMissingWindow[] = "window is missing"; #define THROW_RUNTIME_EXCEPTION( ifc, msg ) \ ::com::sun::star::uno::Reference < ifc > xThis( this ); \ ::com::sun::star::uno::RuntimeException aExcept( \ OUString( msg ), xThis ); \ throw aExcept; #define CHECK_FOR_DEFUNC_THIS( ifc, ths ) \ if( !(GetFrm() && GetMap()) ) \ { \ ::com::sun::star::uno::Reference < ifc > xThis( ths ); \ ::com::sun::star::lang::DisposedException aExcept( \ OUString( sDefunc ), \ xThis ); \ throw aExcept; \ } #define CHECK_FOR_DEFUNC( ifc ) \ CHECK_FOR_DEFUNC_THIS( ifc, this ) #define CHECK_FOR_WINDOW( i, w ) \ if( !(w) ) \ { \ THROW_RUNTIME_EXCEPTION( i, sMissingWindow ); \ } #endif /* vim:set shiftwidth=4 softtabstop=4 expandtab: */