/* -*- 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 "stdafx.h" #include "Resource.h" // main symbols #include #include #include #include #include #include #include "EnumVariant.h" #include "acccommon.h" #include namespace { enum class XInterfaceType; } /** *This class implements IMAccessible interface, which inherits from IAccessible2, and *in turn inherits from IAccessible. So its methods include the methods defined only in *IAccessible, plus the methods defined only in IAccessible2, plus the methods defined *only in IMAccessible. */ class ATL_NO_VTABLE CMAccessible : public CComObjectRoot, public CComCoClass, public IDispatchImpl, public IServiceProvider, public IAccessibleApplication { typedef ::std::map, ltComp> XGUIDToComObjHash; public: CMAccessible(); virtual ~CMAccessible(); DECLARE_NO_REGISTRY() DECLARE_GET_CONTROLLING_UNKNOWN() DECLARE_PROTECT_FINAL_CONSTRUCT() BEGIN_COM_MAP(CMAccessible) COM_INTERFACE_ENTRY(IMAccessible) COM_INTERFACE_ENTRY(IAccessible) COM_INTERFACE_ENTRY(IAccessible2) COM_INTERFACE_ENTRY(IDispatch) COM_INTERFACE_ENTRY(IAccessibleApplication) COM_INTERFACE_ENTRY(IServiceProvider) COM_INTERFACE_ENTRY_FUNC_BLIND(0,SmartQI_) #if defined __clang__ #pragma clang diagnostic push #pragma clang diagnostic ignored "-Winconsistent-missing-override" #endif END_COM_MAP() #if defined __clang__ #pragma clang diagnostic pop #endif // IMAccessible STDMETHOD(put_accValue)(VARIANT varChild,BSTR szValue) override; STDMETHOD(put_accName)(VARIANT varChild,BSTR szName) override; STDMETHOD(accDoDefaultAction)(VARIANT varChild) override; STDMETHOD(accHitTest)(long xLeft,long yTop,VARIANT *pvarChild) override; STDMETHOD(accNavigate)(long navDir,VARIANT varStart,VARIANT *pvarEndUpAt) override; STDMETHOD(accLocation)(long *pxLeft,long *pyTop,long *pcxWidth,long *pcyHeight,VARIANT varChild) override; STDMETHOD(accSelect)(long flagsSelect,VARIANT varChild) override; STDMETHOD(get_accDefaultAction)( VARIANT varChild,BSTR *pszDefaultAction) override; STDMETHOD(get_accSelection)(VARIANT *pvarChildren) override; STDMETHOD(get_accFocus)(VARIANT *pvarChild) override; STDMETHOD(get_accKeyboardShortcut)( VARIANT varChild,BSTR *pszKeyboardShortcut) override; STDMETHOD(get_accHelpTopic)(BSTR *pszHelpFile,VARIANT varChild,long *pidTopic) override; STDMETHOD(get_accHelp)(VARIANT varChild,BSTR *pszHelp) override; STDMETHOD(get_accState)(VARIANT varChild,VARIANT *pvarState) override; STDMETHOD(get_accRole)(VARIANT varChild,VARIANT *pvarRole) override; STDMETHOD(get_accDescription)(VARIANT varChild,BSTR *pszDescription) override; STDMETHOD(get_accValue)( VARIANT varChild,BSTR *pszValue) override; STDMETHOD(get_accName)(VARIANT varChild,BSTR *pszName) override; STDMETHOD(get_accChild)(VARIANT varChild,IDispatch **ppdispChild) override; STDMETHOD(get_accChildCount)(long *pcountChildren) override; STDMETHOD(get_accParent)( IDispatch **ppdispParent) override; // methods which are defined only in the IAccessible2 // These methods only declare here, and their implementation bodies are empty now. STDMETHOD(get_nRelations)( long __RPC_FAR *nRelations) override; STDMETHOD(get_relation)( long relationIndex, IAccessibleRelation __RPC_FAR *__RPC_FAR *relation) override; STDMETHOD(get_relations)( long maxRelations, IAccessibleRelation __RPC_FAR *__RPC_FAR *relation, long __RPC_FAR *nRelations) override; STDMETHOD(role)(long __RPC_FAR *role) override; STDMETHOD(get_nActions)(long __RPC_FAR *nActions); STDMETHOD(scrollTo)(enum IA2ScrollType scrollType) override; STDMETHOD(scrollToPoint)(enum IA2CoordinateType coordinateType, long x, long y) override; STDMETHOD(get_groupPosition)(long __RPC_FAR *groupLevel,long __RPC_FAR *similarItemsInGroup,long __RPC_FAR *positionInGroup) override; STDMETHOD(get_states)( AccessibleStates __RPC_FAR *states ) override; STDMETHOD(get_extendedRole)( BSTR __RPC_FAR *extendedRole ) override; STDMETHOD(get_localizedExtendedRole)( BSTR __RPC_FAR *localizedExtendedRole ) override; STDMETHOD(get_nExtendedStates)( long __RPC_FAR *nExtendedStates) override; STDMETHOD(get_extendedStates)( long maxExtendedStates, BSTR __RPC_FAR *__RPC_FAR *extendedStates, long __RPC_FAR *nExtendedStates) override; STDMETHOD(get_localizedExtendedStates)(long maxLocalizedExtendedStates,BSTR __RPC_FAR *__RPC_FAR *localizedExtendedStates,long __RPC_FAR *nLocalizedExtendedStates) override; STDMETHOD(get_uniqueID)(long __RPC_FAR *uniqueID) override; STDMETHOD(get_windowHandle)(HWND __RPC_FAR *windowHandle) override; STDMETHOD(get_indexInParent)( long __RPC_FAR *accParentIndex ) override; STDMETHOD(get_locale)( IA2Locale __RPC_FAR *locale ) override; STDMETHOD(get_attributes)(/*[out]*/ BSTR *pAttr) override; //IServiceProvider. STDMETHOD(QueryService)(REFGUID guidService, REFIID riid, void** ppvObject) override; //IAccessibleApplication STDMETHOD(get_appName)(BSTR __RPC_FAR *name) override; STDMETHOD(get_appVersion)(BSTR __RPC_FAR *version) override; STDMETHOD(get_toolkitName)(BSTR __RPC_FAR *name) override; STDMETHOD(get_toolkitVersion)(BSTR __RPC_FAR *version) override; // methods which are defined only in IMAccessible // These methods are provided for UNO management system. // The UNO management system use these methods to put Accessibility // information to COM. STDMETHOD(Put_XAccName)(const OLECHAR __RPC_FAR *pszName) override; STDMETHOD(Put_XAccRole)(unsigned short pRole) override; STDMETHOD(DecreaseState)(DWORD pXSate) override; STDMETHOD(IncreaseState)(DWORD pXSate) override; STDMETHOD(SetState)(DWORD pXSate) override; STDMETHOD(Put_XAccValue)(const OLECHAR __RPC_FAR *pszAccValue) override; STDMETHOD(Put_XAccFocus)(long dChildID) override; STDMETHOD(Put_XAccParent)(IMAccessible __RPC_FAR *pIParent) override; STDMETHOD(Put_XAccWindowHandle)(HWND hwnd) override; STDMETHOD(Put_XAccChildID)(long dChildID) override; STDMETHOD(Put_XAccAgent)(hyper pAgent) override; STDMETHOD(NotifyDestroy)() override; STDMETHOD(Put_ActionDescription)( const OLECHAR* szAction) override; STDMETHOD(SetDefaultAction)(hyper pAction) override; STDMETHOD(GetUNOInterface)(hyper*) override; STDMETHOD(SetXAccessible)(hyper) override; private: BSTR m_pszName; BSTR m_pszValue; BSTR m_pszActionDescription; unsigned short m_iRole; DWORD m_dState; IMAccessible* m_pIParent; // identify a COM object/Acc object uniquely long m_dChildID; // specify the focus child ID in object self and its direct children long m_dFocusChildID; // parent window handle,will be used in the future application, its value comes from UNO HWND m_hwnd; // the COM class which implements IEnumVARIANT interface,currently only used in // the implementation of get_accSelection CEnumVariant* m_pEnumVar; // specify if the XAccessible is invalid bool m_isDestroy; css::uno::Reference m_xAccessible; // initially m_xAction and m_xContext are the same object // but they may be different once AccObject::UpdateAction() is called? css::uno::Reference m_xAction; css::uno::Reference m_xContext; private: // the helper methods in order to implement the above public methods IMAccessible* GetChildInterface(long dChildIndex);//notice here the parameter is child index,not child id IMAccessible* GetNavigateChildForDM(VARIANT varCur,short flags);//for descendant manage HRESULT GetFirstChild(VARIANT varStart,VARIANT* pvarEndUpAt);//for accNavigate implementation HRESULT GetLastChild(VARIANT varStart,VARIANT* pvarEndUpAt);//for accNavigate implementation HRESULT GetNextSibling(VARIANT varStart,VARIANT* pvarEndUpAt);//for accNavigate implementation HRESULT GetPreSibling(VARIANT varStart,VARIANT* pvarEndUpAt);//for accNavigate implementation static css::accessibility::XAccessibleContext* GetContextByXAcc( css::accessibility::XAccessible* pXAcc); static bool GetXInterfaceFromXAccessible(css::accessibility::XAccessible*, css::uno::XInterface**, XInterfaceType); HRESULT WINAPI SmartQI(void* pv, REFIID iid, void** ppvObject); public: // AccObjectManagerAgent is a management object in UNO, here keep its pointer for // the implementation of accNavigate when descendant manage happens for List,Tree, or Table // AccObjectManagerAgent and the following UNO objects XAccessible,XAccessibleSelection, // XAccessibleAction are all used to operate UNO accessibility information directly when // implement some specific MSAA methods,such as accSelection,accNavigate static AccObjectManagerAgent* g_pAgent; static bool get_IAccessibleFromXAccessible( css::accessibility::XAccessible * pXAcc, IAccessible** ppIA); XGUIDToComObjHash m_containedObjects; static HRESULT WINAPI SmartQI_(void* pv, REFIID iid, void** ppvObject, DWORD_PTR) { return static_cast(pv)->SmartQI(pv,iid,ppvObject); } static OUString get_StringFromAny(css::uno::Any const & pAny); static OUString get_String4Numbering(const css::uno::Any& pAny, sal_Int16 numberingLevel, std::u16string_view numberingPrefix); // Helper function for data conversion. static void ConvertAnyToVariant(const css::uno::Any &rAnyVal, VARIANT *pvData); }; /* vim:set shiftwidth=4 softtabstop=4 expandtab: */