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| -rw-r--r-- | svx/source/accessibility/svxpixelctlaccessiblecontext.cxx | 469 |
1 files changed, 469 insertions, 0 deletions
diff --git a/svx/source/accessibility/svxpixelctlaccessiblecontext.cxx b/svx/source/accessibility/svxpixelctlaccessiblecontext.cxx new file mode 100644 index 000000000..e966698a2 --- /dev/null +++ b/svx/source/accessibility/svxpixelctlaccessiblecontext.cxx @@ -0,0 +1,469 @@ +/* -*- 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 <com/sun/star/accessibility/AccessibleRole.hpp> +#include <com/sun/star/accessibility/AccessibleEventId.hpp> +#include <unotools/accessiblestatesethelper.hxx> +#include <com/sun/star/accessibility/AccessibleStateType.hpp> +#include <com/sun/star/lang/IndexOutOfBoundsException.hpp> +#include <toolkit/helper/convert.hxx> +#include <vcl/svapp.hxx> +#include <vcl/settings.hxx> +#include <osl/mutex.hxx> +#include <tools/debug.hxx> +#include <tools/gen.hxx> + +#include <svx/dlgctrl.hxx> + +#include <svxpixelctlaccessiblecontext.hxx> + +using namespace ::cppu; +using namespace ::osl; +using namespace ::com::sun::star; +using namespace ::com::sun::star::uno; +using namespace ::com::sun::star::accessibility; + +SvxPixelCtlAccessible::SvxPixelCtlAccessible(SvxPixelCtl* pControl) + : mpPixelCtl(pControl) +{ +} + +SvxPixelCtlAccessible::~SvxPixelCtlAccessible() +{ + ensureDisposed(); +} + +IMPLEMENT_FORWARD_XINTERFACE2( SvxPixelCtlAccessible, OAccessibleSelectionHelper, OAccessibleHelper_Base ) +IMPLEMENT_FORWARD_XTYPEPROVIDER2( SvxPixelCtlAccessible, OAccessibleSelectionHelper, OAccessibleHelper_Base ) + +uno::Reference< XAccessibleContext > SvxPixelCtlAccessible::getAccessibleContext( ) +{ + return this; +} + +sal_Int32 SvxPixelCtlAccessible::getAccessibleChildCount( ) +{ + ::osl::MutexGuard aGuard( m_aMutex ); + return SvxPixelCtl::GetSquares(); +} +uno::Reference< XAccessible > SvxPixelCtlAccessible::getAccessibleChild( sal_Int32 i ) +{ + ::osl::MutexGuard aGuard( m_aMutex ); + if ( i < 0 || i >= getAccessibleChildCount()) + throw lang::IndexOutOfBoundsException(); + Reference< XAccessible > xChild; + if (mpPixelCtl) + xChild = CreateChild(i, mpPixelCtl->IndexToPoint(i)); + return xChild; +} + +uno::Reference< XAccessible > SvxPixelCtlAccessible::getAccessibleParent( ) +{ + ::osl::MutexGuard aGuard( m_aMutex ); + if (mpPixelCtl) + return mpPixelCtl->getAccessibleParent(); + return uno::Reference<css::accessibility::XAccessible>(); +} + +sal_Int16 SvxPixelCtlAccessible::getAccessibleRole( ) +{ + return AccessibleRole::LIST; +} + +OUString SvxPixelCtlAccessible::getAccessibleDescription( ) +{ + + ::osl::MutexGuard aGuard( m_aMutex ); + return mpPixelCtl ? mpPixelCtl->GetAccessibleDescription() : ""; +} + +OUString SvxPixelCtlAccessible::getAccessibleName( ) +{ + ::osl::MutexGuard aGuard( m_aMutex ); + return mpPixelCtl ? mpPixelCtl->GetAccessibleName() : ""; +} + +Reference< XAccessibleRelationSet > SAL_CALL SvxPixelCtlAccessible::getAccessibleRelationSet() +{ + if (mpPixelCtl) + return mpPixelCtl->get_accessible_relation_set(); + return uno::Reference<css::accessibility::XAccessibleRelationSet>(); +} + +uno::Reference< XAccessibleStateSet > SvxPixelCtlAccessible::getAccessibleStateSet( ) +{ + ::osl::MutexGuard aGuard( m_aMutex ); + utl::AccessibleStateSetHelper* pStateSetHelper = new utl::AccessibleStateSetHelper; + uno::Reference< XAccessibleStateSet > xRet = pStateSetHelper; + + if (mpPixelCtl) + { + const sal_Int16 aStandardStates[] = + { + AccessibleStateType::FOCUSABLE, + AccessibleStateType::SELECTABLE, + AccessibleStateType::SHOWING, + AccessibleStateType::VISIBLE, + AccessibleStateType::OPAQUE, + 0 + }; + + sal_Int16 nState = 0; + while (aStandardStates[nState]) + { + pStateSetHelper->AddState(aStandardStates[nState++]); + } + if (mpPixelCtl->IsEnabled()) + pStateSetHelper->AddState(AccessibleStateType::ENABLED); + if (mpPixelCtl->HasFocus()) + pStateSetHelper->AddState(AccessibleStateType::FOCUSED); + pStateSetHelper->AddState(AccessibleStateType::MANAGES_DESCENDANTS); + } + + return xRet; +} + +uno::Reference<XAccessible > SAL_CALL SvxPixelCtlAccessible::getAccessibleAtPoint ( + const awt::Point& rPoint) +{ + ::osl::MutexGuard aGuard( m_aMutex ); + + Reference< XAccessible > xRet; + + if (mpPixelCtl) + { + long nIndex = mpPixelCtl->PointToIndex(Point(rPoint.X, rPoint.Y)); + xRet = CreateChild(nIndex, mpPixelCtl->IndexToPoint(nIndex)); + } + + return xRet; +} + +awt::Rectangle SvxPixelCtlAccessible::implGetBounds() +{ + ::osl::MutexGuard aGuard( m_aMutex ); + + awt::Rectangle aRet; + + if (mpPixelCtl) + { + const Point aOutPos; + Size aOutSize(mpPixelCtl->GetOutputSizePixel()); + + aRet.X = aOutPos.X(); + aRet.Y = aOutPos.Y(); + aRet.Width = aOutSize.Width(); + aRet.Height = aOutSize.Height(); + } + + return aRet; +} + +void SvxPixelCtlAccessible::grabFocus( ) +{ + ::osl::MutexGuard aGuard( m_aMutex ); + if (mpPixelCtl) + mpPixelCtl->GrabFocus(); +} + +sal_Int32 SvxPixelCtlAccessible::getForeground( ) +{ + ::osl::MutexGuard aGuard( m_aMutex ); + + //see SvxPixelCtl::Paint + const StyleSettings& rStyles = Application::GetSettings().GetStyleSettings(); + return sal_Int32(rStyles.GetLabelTextColor()); +} + +sal_Int32 SvxPixelCtlAccessible::getBackground( ) +{ + ::osl::MutexGuard aGuard( m_aMutex ); + + //see SvxPixelCtl::Paint + const StyleSettings& rStyles = Application::GetSettings().GetStyleSettings(); + return sal_Int32(rStyles.GetDialogColor()); +} + +void SvxPixelCtlAccessible::implSelect(sal_Int32 nChildIndex, bool bSelect) +{ + ::osl::MutexGuard aGuard( m_aMutex ); + + if ( nChildIndex < 0 || nChildIndex >= getAccessibleChildCount()) + throw lang::IndexOutOfBoundsException(); + + if (!mpPixelCtl) + return; + + long nIndex = mpPixelCtl->ShowPosition(mpPixelCtl->IndexToPoint(nChildIndex)); + NotifyChild(nIndex, bSelect, false); +} + +bool SvxPixelCtlAccessible::implIsSelected(sal_Int32 nChildIndex) +{ + ::osl::MutexGuard aGuard( m_aMutex ); + + if (!mpPixelCtl) + return false; + + return mpPixelCtl->GetFocusPosIndex() == nChildIndex; +} + +void SAL_CALL SvxPixelCtlAccessible::disposing() +{ + ::osl::MutexGuard aGuard(m_aMutex); + OAccessibleSelectionHelper::disposing(); + m_xCurChild.clear(); + mpPixelCtl = nullptr; +} + +void SvxPixelCtlAccessible::NotifyChild(long nIndex,bool bSelect ,bool bCheck) +{ + DBG_ASSERT( !(!bSelect && !bCheck),"" );//non is false + + SvxPixelCtlAccessibleChild *pChild= nullptr; + + if (m_xCurChild.is()) + { + pChild= static_cast<SvxPixelCtlAccessibleChild*>(m_xCurChild.get()); + DBG_ASSERT(pChild,"Child Must be Valid"); + if (pChild->getAccessibleIndexInParent() == nIndex ) + { + if (bSelect) + { + pChild->SelectChild(true); + } + if (bCheck) + { + pChild->ChangePixelColorOrBG(mpPixelCtl->GetBitmapPixel(sal_uInt16(nIndex)) != 0); + pChild->CheckChild(); + } + return ; + } + } + uno::Reference <XAccessible> xNewChild =CreateChild(nIndex, mpPixelCtl->IndexToPoint(nIndex)); + SvxPixelCtlAccessibleChild *pNewChild= static_cast<SvxPixelCtlAccessibleChild*>(xNewChild.get()); + DBG_ASSERT(pNewChild,"Child Must be Valid"); + + Any aNewValue,aOldValue; + aNewValue<<= xNewChild; + NotifyAccessibleEvent(AccessibleEventId::ACTIVE_DESCENDANT_CHANGED, aOldValue, aNewValue); + + if (bSelect) + { + if (pChild) + { + pChild->SelectChild(false); + } + pNewChild->SelectChild(true); + } + if (bCheck) + { + pNewChild->CheckChild(); + } + m_xCurChild= xNewChild; +} + +uno::Reference<XAccessible> SvxPixelCtlAccessible::CreateChild (long nIndex,Point mPoint) +{ + bool bPixelColorOrBG = mpPixelCtl->GetBitmapPixel(sal_uInt16(nIndex)) != 0; + Size size(mpPixelCtl->GetWidth() / SvxPixelCtl::GetLineCount(), mpPixelCtl->GetHeight() / SvxPixelCtl::GetLineCount()); + uno::Reference<XAccessible> xChild = new SvxPixelCtlAccessibleChild(*mpPixelCtl, + bPixelColorOrBG, + tools::Rectangle(mPoint,size), + this, + nIndex); + + return xChild; +} + +void SvxPixelCtlAccessibleChild::CheckChild() +{ + Any aChecked; + aChecked <<= AccessibleStateType::CHECKED; + + if (m_bPixelColorOrBG)//Current Child State + { + NotifyAccessibleEvent(AccessibleEventId::STATE_CHANGED, Any(), aChecked); + } + else + { + NotifyAccessibleEvent(AccessibleEventId::STATE_CHANGED, aChecked, Any()); + } +} + +void SvxPixelCtlAccessibleChild::SelectChild( bool bSelect) +{ + Any aSelected; + aSelected <<= AccessibleStateType::SELECTED; + + if (bSelect) + { + NotifyAccessibleEvent(AccessibleEventId::STATE_CHANGED, Any(), aSelected); + } + else + { + NotifyAccessibleEvent(AccessibleEventId::STATE_CHANGED, aSelected, Any()); + } +} + +SvxPixelCtlAccessibleChild::SvxPixelCtlAccessibleChild( SvxPixelCtl& rWindow, bool bPixelColorOrBG, + const tools::Rectangle& rBoundingBox, const rtl::Reference<SvxPixelCtlAccessible>& rxParent, + long nIndexInParent) + : mrParentWindow( rWindow ) + , mxParent(rxParent) + , m_bPixelColorOrBG(bPixelColorOrBG) + , maBoundingBox( rBoundingBox ) + , mnIndexInParent( nIndexInParent ) +{ +} + +SvxPixelCtlAccessibleChild::~SvxPixelCtlAccessibleChild() +{ + ensureDisposed(); +} + +IMPLEMENT_FORWARD_XINTERFACE2( SvxPixelCtlAccessibleChild, OAccessibleComponentHelper, OAccessibleHelper_Base ) +IMPLEMENT_FORWARD_XTYPEPROVIDER2( SvxPixelCtlAccessibleChild, OAccessibleComponentHelper, OAccessibleHelper_Base ) + +// XAccessible +uno::Reference< XAccessibleContext> SAL_CALL SvxPixelCtlAccessibleChild::getAccessibleContext() +{ + return this; +} + +uno::Reference< XAccessible > SAL_CALL SvxPixelCtlAccessibleChild::getAccessibleAtPoint( const awt::Point& ) +{ + return uno::Reference< XAccessible >(); +} + +void SAL_CALL SvxPixelCtlAccessibleChild::grabFocus() +{ +} + +sal_Int32 SvxPixelCtlAccessibleChild::getForeground() +{ + ::osl::MutexGuard aGuard( m_aMutex ); + return mxParent.is() ? mxParent->getForeground() : -1; +} + +sal_Int32 SvxPixelCtlAccessibleChild::getBackground() +{ + ::osl::MutexGuard aGuard( m_aMutex ); + return mxParent.is() ? mxParent->getBackground() : -1; +} + +// XAccessibleContext +sal_Int32 SAL_CALL SvxPixelCtlAccessibleChild::getAccessibleChildCount() +{ + return 0; +} + +uno::Reference< XAccessible > SAL_CALL SvxPixelCtlAccessibleChild::getAccessibleChild( sal_Int32 ) +{ + throw lang::IndexOutOfBoundsException(); +} + +uno::Reference< XAccessible > SAL_CALL SvxPixelCtlAccessibleChild::getAccessibleParent() +{ + return mxParent.get(); +} + +sal_Int16 SAL_CALL SvxPixelCtlAccessibleChild::getAccessibleRole() +{ + return AccessibleRole::CHECK_BOX; +} + +OUString SAL_CALL SvxPixelCtlAccessibleChild::getAccessibleDescription() +{ + ::osl::MutexGuard aGuard( m_aMutex ); + + return GetName(); +} + +OUString SAL_CALL SvxPixelCtlAccessibleChild::getAccessibleName() +{ + ::osl::MutexGuard aGuard( m_aMutex ); + return GetName(); +} + +/** Return empty uno::Reference to indicate that the relation set is not + supported. +*/ +uno::Reference<XAccessibleRelationSet> SAL_CALL SvxPixelCtlAccessibleChild::getAccessibleRelationSet() +{ + return uno::Reference< XAccessibleRelationSet >(); +} + +uno::Reference< XAccessibleStateSet > SAL_CALL SvxPixelCtlAccessibleChild::getAccessibleStateSet() +{ + ::osl::MutexGuard aGuard( m_aMutex ); + utl::AccessibleStateSetHelper* pStateSetHelper = new utl::AccessibleStateSetHelper; + + if (!rBHelper.bDisposed) + { + + pStateSetHelper->AddState( AccessibleStateType::TRANSIENT ); + pStateSetHelper->AddState( AccessibleStateType::ENABLED ); + pStateSetHelper->AddState( AccessibleStateType::OPAQUE ); + pStateSetHelper->AddState( AccessibleStateType::SELECTABLE ); + pStateSetHelper->AddState( AccessibleStateType::SHOWING ); + pStateSetHelper->AddState( AccessibleStateType::VISIBLE ); + + long nIndex = mrParentWindow.GetFocusPosIndex(); + if ( nIndex == mnIndexInParent) + { + pStateSetHelper->AddState( AccessibleStateType::SELECTED ); + } + if (mrParentWindow.GetBitmapPixel(sal_uInt16(mnIndexInParent))) + { + pStateSetHelper->AddState( AccessibleStateType::CHECKED ); + } + } + else + pStateSetHelper->AddState( AccessibleStateType::DEFUNC ); + + return pStateSetHelper; +} + +void SAL_CALL SvxPixelCtlAccessibleChild::disposing() +{ + OAccessibleComponentHelper::disposing(); + mxParent.clear(); +} + +awt::Rectangle SvxPixelCtlAccessibleChild::implGetBounds() +{ + // no guard necessary, because no one changes maBoundingBox after creating it + return AWTRectangle(maBoundingBox); +} + +OUString SvxPixelCtlAccessibleChild::GetName() const +{ + sal_Int32 nXIndex = mnIndexInParent % SvxPixelCtl::GetLineCount(); + sal_Int32 nYIndex = mnIndexInParent / SvxPixelCtl::GetLineCount(); + + OUString str = "(" + + OUString::number(nXIndex) + + "," + + OUString::number(nYIndex) + + ")"; + return str; +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |