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| -rw-r--r-- | starmath/source/AccessibleSmElement.cxx | 286 |
1 files changed, 286 insertions, 0 deletions
diff --git a/starmath/source/AccessibleSmElement.cxx b/starmath/source/AccessibleSmElement.cxx new file mode 100644 index 000000000..9903ce75d --- /dev/null +++ b/starmath/source/AccessibleSmElement.cxx @@ -0,0 +1,286 @@ +/* -*- 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 <AccessibleSmElement.hxx> +#include <ElementsDockingWindow.hxx> + +#include <com/sun/star/accessibility/AccessibleEventId.hpp> +#include <com/sun/star/accessibility/AccessibleRole.hpp> +#include <com/sun/star/accessibility/AccessibleStateType.hpp> +#include <com/sun/star/lang/IndexOutOfBoundsException.hpp> +#include <cppuhelper/supportsservice.hxx> +#include <cppuhelper/typeprovider.hxx> +#include <toolkit/helper/convert.hxx> +#include <unotools/accessiblerelationsethelper.hxx> +#include <unotools/accessiblestatesethelper.hxx> +#include <vcl/settings.hxx> +#include <vcl/svapp.hxx> + +using namespace ::com::sun::star::accessibility; +using namespace ::com::sun::star; +using OContextEntryGuard = ::comphelper::OContextEntryGuard; +using OExternalLockGuard = ::comphelper::OExternalLockGuard; + +AccessibleSmElement::AccessibleSmElement(SmElementsControl* pSmElementsControl, sal_uInt16 nItemId, + sal_Int32 nIndexInParent) + : m_pSmElementsControl(pSmElementsControl) + , m_nIndexInParent(nIndexInParent) + , m_nItemId(nItemId) + , m_bHasFocus(false) +{ + assert(m_pSmElementsControl); + m_nRole = m_pSmElementsControl->itemIsSeparator(m_nItemId) ? AccessibleRole::SEPARATOR + : AccessibleRole::PUSH_BUTTON; +} + +AccessibleSmElement::~AccessibleSmElement() {} + +void AccessibleSmElement::SetFocus(bool bFocus) +{ + if (m_bHasFocus == bFocus) + return; + + uno::Any aOldValue; + uno::Any aNewValue; + if (m_bHasFocus) + aOldValue <<= AccessibleStateType::FOCUSED; + else + aNewValue <<= AccessibleStateType::FOCUSED; + m_bHasFocus = bFocus; + NotifyAccessibleEvent(AccessibleEventId::STATE_CHANGED, aOldValue, aNewValue); +} + +awt::Rectangle AccessibleSmElement::implGetBounds() +{ + awt::Rectangle aRect; + if (m_pSmElementsControl) + aRect = AWTRectangle(m_pSmElementsControl->itemPosRect(m_nItemId)); + return aRect; +} + +// XInterface + +IMPLEMENT_FORWARD_REFCOUNT(AccessibleSmElement, comphelper::OAccessibleComponentHelper) + +uno::Any AccessibleSmElement::queryInterface(const uno::Type& _rType) +{ + if (_rType == cppu::UnoType<XAccessibleAction>::get() + && (!m_pSmElementsControl || m_pSmElementsControl->itemIsSeparator(m_nItemId))) + return uno::Any(); + + uno::Any aReturn = comphelper::OAccessibleComponentHelper::queryInterface(_rType); + if (!aReturn.hasValue()) + aReturn = AccessibleSmElement_BASE::queryInterface(_rType); + return aReturn; +} + +// XTypeProvider + +IMPLEMENT_FORWARD_XTYPEPROVIDER2(AccessibleSmElement, comphelper::OAccessibleComponentHelper, + AccessibleSmElement_BASE) + +// XComponent + +void AccessibleSmElement::disposing() +{ + comphelper::OAccessibleComponentHelper::disposing(); + m_pSmElementsControl = nullptr; +} + +// XServiceInfo + +OUString AccessibleSmElement::getImplementationName() +{ + return "com.sun.star.comp.toolkit.AccessibleSmElement"; +} + +sal_Bool AccessibleSmElement::supportsService(const OUString& rServiceName) +{ + return cppu::supportsService(this, rServiceName); +} + +uno::Sequence<OUString> AccessibleSmElement::getSupportedServiceNames() +{ + return { "com.sun.star.accessibility.AccessibleContext", + "com.sun.star.accessibility.AccessibleComponent", + "com.sun.star.accessibility.AccessibleSmElement" }; +} + +// XAccessible + +uno::Reference<XAccessibleContext> AccessibleSmElement::getAccessibleContext() { return this; } + +// XAccessibleContext + +sal_Int32 AccessibleSmElement::getAccessibleChildCount() { return 0; } + +uno::Reference<accessibility::XAccessible> AccessibleSmElement::getAccessibleChild(sal_Int32) +{ + return uno::Reference<XAccessible>(); +} + +uno::Reference<XAccessible> AccessibleSmElement::getAccessibleParent() +{ + OContextEntryGuard aGuard(this); + uno::Reference<XAccessible> xParent; + if (m_pSmElementsControl) + xParent.set(m_pSmElementsControl->GetAccessible().get()); + return xParent; +} + +sal_Int32 AccessibleSmElement::getAccessibleIndexInParent() +{ + OContextEntryGuard aGuard(this); + return m_nIndexInParent; +} + +sal_Int16 AccessibleSmElement::getAccessibleRole() +{ + OContextEntryGuard aGuard(this); + return m_nRole; +} + +OUString AccessibleSmElement::getAccessibleDescription() { return getAccessibleName(); } + +OUString AccessibleSmElement::getAccessibleName() +{ + OExternalLockGuard aGuard(this); + OUString aName; + if (m_pSmElementsControl) + aName = m_pSmElementsControl->itemName(m_nItemId); + return aName; +} + +uno::Reference<XAccessibleRelationSet> AccessibleSmElement::getAccessibleRelationSet() +{ + OContextEntryGuard aGuard(this); + + utl::AccessibleRelationSetHelper* pRelationSetHelper = new utl::AccessibleRelationSetHelper; + uno::Reference<XAccessibleRelationSet> xSet = pRelationSetHelper; + return xSet; +} + +uno::Reference<XAccessibleStateSet> AccessibleSmElement::getAccessibleStateSet() +{ + OExternalLockGuard aGuard(this); + + utl::AccessibleStateSetHelper* pStateSetHelper = new utl::AccessibleStateSetHelper; + uno::Reference<XAccessibleStateSet> xStateSet = pStateSetHelper; + + if (m_pSmElementsControl && !rBHelper.bDisposed && !rBHelper.bInDispose) + { + if (m_pSmElementsControl->itemIsVisible(m_nItemId)) + pStateSetHelper->AddState(AccessibleStateType::VISIBLE); + if (!m_pSmElementsControl->itemIsSeparator(m_nItemId)) + { + if (m_pSmElementsControl->IsEnabled()) + { + pStateSetHelper->AddState(AccessibleStateType::ENABLED); + pStateSetHelper->AddState(AccessibleStateType::SENSITIVE); + } + pStateSetHelper->AddState(AccessibleStateType::FOCUSABLE); + if (m_bHasFocus) + pStateSetHelper->AddState(AccessibleStateType::FOCUSED); + } + } + else + pStateSetHelper->AddState(AccessibleStateType::DEFUNC); + + return xStateSet; +} + +// XAccessibleComponent + +uno::Reference<XAccessible> AccessibleSmElement::getAccessibleAtPoint(const awt::Point&) +{ + return uno::Reference<XAccessible>(); +} + +void AccessibleSmElement::grabFocus() +{ + uno::Reference<XAccessible> xParent(getAccessibleParent()); + + if (xParent.is()) + { + uno::Reference<XAccessibleSelection> rxAccessibleSelection(xParent->getAccessibleContext(), + uno::UNO_QUERY); + if (rxAccessibleSelection.is()) + rxAccessibleSelection->selectAccessibleChild(getAccessibleIndexInParent()); + } +} + +sal_Int32 AccessibleSmElement::getForeground() +{ + OExternalLockGuard aGuard(this); + + Color nColor = SmElementsControl::GetTextColor(); + return sal_Int32(nColor); +} + +sal_Int32 AccessibleSmElement::getBackground() +{ + OExternalLockGuard aGuard(this); + + Color nColor = SmElementsControl::GetControlBackground(); + return sal_Int32(nColor); +} + +// XAccessibleAction + +sal_Int32 AccessibleSmElement::getAccessibleActionCount() +{ + // only one action -> "Press" + return m_pSmElementsControl->itemIsSeparator(m_nItemId) ? 0 : 1; +} + +void AccessibleSmElement::testAction(sal_Int32 nIndex) const +{ + if (!m_pSmElementsControl || m_pSmElementsControl->itemIsSeparator(m_nItemId) || (nIndex != 0)) + throw lang::IndexOutOfBoundsException(); +} + +sal_Bool AccessibleSmElement::doAccessibleAction(sal_Int32 nIndex) +{ + OExternalLockGuard aGuard(this); + + testAction(nIndex); + + return m_pSmElementsControl->itemTrigger(m_nItemId); +} + +OUString AccessibleSmElement::getAccessibleActionDescription(sal_Int32 nIndex) +{ + OExternalLockGuard aGuard(this); + + testAction(nIndex); + + return "press"; +} + +uno::Reference<XAccessibleKeyBinding> +AccessibleSmElement::getAccessibleActionKeyBinding(sal_Int32 nIndex) +{ + OContextEntryGuard aGuard(this); + + testAction(nIndex); + + return uno::Reference<XAccessibleKeyBinding>(); +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |