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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 16:51:28 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 16:51:28 +0000 |
commit | 940b4d1848e8c70ab7642901a68594e8016caffc (patch) | |
tree | eb72f344ee6c3d9b80a7ecc079ea79e9fba8676d /unotools/source/accessibility/accessiblestatesethelper.cxx | |
parent | Initial commit. (diff) | |
download | libreoffice-940b4d1848e8c70ab7642901a68594e8016caffc.tar.xz libreoffice-940b4d1848e8c70ab7642901a68594e8016caffc.zip |
Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | unotools/source/accessibility/accessiblestatesethelper.cxx | 229 |
1 files changed, 229 insertions, 0 deletions
diff --git a/unotools/source/accessibility/accessiblestatesethelper.cxx b/unotools/source/accessibility/accessiblestatesethelper.cxx new file mode 100644 index 000000000..9a180a467 --- /dev/null +++ b/unotools/source/accessibility/accessiblestatesethelper.cxx @@ -0,0 +1,229 @@ +/* -*- 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 . + */ + +#include <unotools/accessiblestatesethelper.hxx> +#include <tools/debug.hxx> + +// defines how many states the bitfield can contain +// it has the size of 64 because I use a uInt64 +#define BITFIELDSIZE 64 + +using namespace ::utl; +using namespace ::com::sun::star; +using namespace ::com::sun::star::accessibility; + +class AccessibleStateSetHelperImpl +{ +public: + AccessibleStateSetHelperImpl(); + AccessibleStateSetHelperImpl(const AccessibleStateSetHelperImpl& rImpl); + + /// @throws uno::RuntimeException + bool IsEmpty () const; + /// @throws uno::RuntimeException + bool Contains (sal_Int16 aState) const; + /// @throws uno::RuntimeException + uno::Sequence<sal_Int16> GetStates() const; + /// @throws uno::RuntimeException + void AddState(sal_Int16 aState); + /// @throws uno::RuntimeException + void RemoveState(sal_Int16 aState); + + inline void AddStates( const sal_Int64 _nStates ); + +private: + sal_uInt64 maStates; +}; + +AccessibleStateSetHelperImpl::AccessibleStateSetHelperImpl() + : maStates(0) +{ +} + +AccessibleStateSetHelperImpl::AccessibleStateSetHelperImpl(const AccessibleStateSetHelperImpl& rImpl) + : maStates(rImpl.maStates) +{ +} + +inline bool AccessibleStateSetHelperImpl::IsEmpty () const +{ + return maStates == 0; +} + +inline bool AccessibleStateSetHelperImpl::Contains (sal_Int16 aState) const +{ + DBG_ASSERT(aState < BITFIELDSIZE, "the statesset is too small"); + sal_uInt64 aTempBitSet(1); + aTempBitSet <<= aState; + return ((aTempBitSet & maStates) != 0); +} + +inline uno::Sequence<sal_Int16> AccessibleStateSetHelperImpl::GetStates() const +{ + uno::Sequence<sal_Int16> aRet(BITFIELDSIZE); + sal_Int16* pSeq = aRet.getArray(); + sal_Int16 nStateCount(0); + for (sal_Int16 i = 0; i < BITFIELDSIZE; ++i) + if (Contains(i)) + { + *pSeq = i; + ++pSeq; + ++nStateCount; + } + aRet.realloc(nStateCount); + return aRet; +} + +inline void AccessibleStateSetHelperImpl::AddStates( const sal_Int64 _nStates ) +{ + maStates |= _nStates; +} + +inline void AccessibleStateSetHelperImpl::AddState(sal_Int16 aState) +{ + DBG_ASSERT(aState < BITFIELDSIZE, "the statesset is too small"); + sal_uInt64 aTempBitSet(1); + aTempBitSet <<= aState; + maStates |= aTempBitSet; +} + +inline void AccessibleStateSetHelperImpl::RemoveState(sal_Int16 aState) +{ + DBG_ASSERT(aState < BITFIELDSIZE, "the statesset is too small"); + sal_uInt64 aTempBitSet(1); + aTempBitSet <<= aState; + aTempBitSet = ~aTempBitSet; + maStates &= aTempBitSet; +} + +//===== internal ============================================================ + +AccessibleStateSetHelper::AccessibleStateSetHelper () + : mpHelperImpl(new AccessibleStateSetHelperImpl) +{ +} + +AccessibleStateSetHelper::AccessibleStateSetHelper ( const sal_Int64 _nInitialStates ) + : mpHelperImpl(new AccessibleStateSetHelperImpl) +{ + mpHelperImpl->AddStates( _nInitialStates ); +} + +AccessibleStateSetHelper::AccessibleStateSetHelper (const AccessibleStateSetHelper& rHelper) + : cppu::WeakImplHelper<XAccessibleStateSet>(rHelper) +{ + if (rHelper.mpHelperImpl) + mpHelperImpl.reset(new AccessibleStateSetHelperImpl(*rHelper.mpHelperImpl)); + else + mpHelperImpl.reset(new AccessibleStateSetHelperImpl()); +} + +AccessibleStateSetHelper::~AccessibleStateSetHelper() +{ +} + +//===== XAccessibleStateSet ============================================== + + /** Checks whether the current state set is empty. + + @return + Returns <TRUE/> if there is no state in this state set and + <FALSE/> if there is at least one state set in it. + */ +sal_Bool SAL_CALL AccessibleStateSetHelper::isEmpty () +{ + osl::MutexGuard aGuard (maMutex); + return mpHelperImpl->IsEmpty(); +} + + /** Checks if the given state is a member of the state set of this + object. + + @param aState + The state for which to check membership. This has to be one of + the constants of <type>AccessibleStateType</type>. + + @return + Returns <TRUE/> if the given state is a member of this object's + state set and <FALSE/> otherwise. + */ +sal_Bool SAL_CALL AccessibleStateSetHelper::contains (sal_Int16 aState) +{ + osl::MutexGuard aGuard (maMutex); + return mpHelperImpl->Contains(aState); +} + + /** Checks if all of the given states are in this object's state + set. + + @param aStateSet + This sequence of states is interpreted as set and every of its + members, duplicates are ignored, is checked for membership in + this object's state set. Each state has to be one of the + constants of <type>AccessibleStateType</type>. + + @return + Returns <TRUE/> if all states of the given state set are members + of this object's state set. <FALSE/> is returned if at least + one of the states in the given state is not a member of this + object's state set. + */ +sal_Bool SAL_CALL AccessibleStateSetHelper::containsAll + (const uno::Sequence<sal_Int16>& rStateSet) +{ + osl::MutexGuard aGuard (maMutex); + return std::all_of(rStateSet.begin(), rStateSet.end(), + [this](const sal_Int16 nState) { return mpHelperImpl->Contains(nState); }); +} + +uno::Sequence<sal_Int16> SAL_CALL AccessibleStateSetHelper::getStates() +{ + osl::MutexGuard aGuard(maMutex); + return mpHelperImpl->GetStates(); +} + +void AccessibleStateSetHelper::AddState(sal_Int16 aState) +{ + osl::MutexGuard aGuard (maMutex); + mpHelperImpl->AddState(aState); +} + +void AccessibleStateSetHelper::RemoveState(sal_Int16 aState) +{ + osl::MutexGuard aGuard (maMutex); + mpHelperImpl->RemoveState(aState); +} + +//===== XTypeProvider ======================================================= + +uno::Sequence< css::uno::Type> AccessibleStateSetHelper::getTypes() +{ + css::uno::Sequence< css::uno::Type> aTypeSequence { + cppu::UnoType<XAccessibleStateSet>::get(), + cppu::UnoType<lang::XTypeProvider>::get() + }; + return aTypeSequence; +} + +uno::Sequence<sal_Int8> SAL_CALL AccessibleStateSetHelper::getImplementationId() +{ + return css::uno::Sequence<sal_Int8>(); +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |