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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_sc.hxx"
#include "scitems.hxx"
#include <editeng/eeitem.hxx>
#include <tools/gen.hxx>
#include "AccessibleText.hxx"
#include "editsrc.hxx"
#include "AccessiblePreviewCell.hxx"
#include "AccessibilityHints.hxx"
#include "prevwsh.hxx"
#include "prevloc.hxx"
#include "document.hxx"
#include <svx/AccessibleTextHelper.hxx>
#include <unotools/accessiblestatesethelper.hxx>
#include <editeng/brshitem.hxx>
#include <vcl/window.hxx>
#include <vcl/svapp.hxx>
#include <toolkit/helper/convert.hxx>
#include <com/sun/star/accessibility/AccessibleStateType.hpp>
using namespace ::com::sun::star;
using namespace ::com::sun::star::accessibility;
//===== internal ============================================================
ScAccessiblePreviewCell::ScAccessiblePreviewCell( const ::com::sun::star::uno::Reference<
::com::sun::star::accessibility::XAccessible>& rxParent,
ScPreviewShell* pViewShell, /* const */ ScAddress& rCellAddress,
sal_Int32 nIndex ) :
ScAccessibleCellBase( rxParent, ( pViewShell ? pViewShell->GetDocument() : NULL ), rCellAddress, nIndex ),
mpViewShell( pViewShell ),
mpTextHelper(NULL)
{
if (mpViewShell)
mpViewShell->AddAccessibilityObject(*this);
}
ScAccessiblePreviewCell::~ScAccessiblePreviewCell()
{
if (!ScAccessibleContextBase::IsDefunc() && !rBHelper.bInDispose)
{
// increment refcount to prevent double call off dtor
osl_incrementInterlockedCount( &m_refCount );
// call dispose to inform object wich have a weak reference to this object
dispose();
}
}
void SAL_CALL ScAccessiblePreviewCell::disposing()
{
SolarMutexGuard aGuard;
if (mpViewShell)
{
mpViewShell->RemoveAccessibilityObject(*this);
mpViewShell = NULL;
}
if (mpTextHelper)
DELETEZ(mpTextHelper);
ScAccessibleCellBase::disposing();
}
void ScAccessiblePreviewCell::Notify( SfxBroadcaster& rBC, const SfxHint& rHint )
{
if (rHint.ISA( SfxSimpleHint ))
{
const SfxSimpleHint& rRef = (const SfxSimpleHint&)rHint;
if (rRef.GetId() == SC_HINT_ACC_VISAREACHANGED)
{
if (mpTextHelper)
mpTextHelper->UpdateChildren();
}
}
ScAccessibleContextBase::Notify(rBC, rHint);
}
//===== XAccessibleComponent ============================================
uno::Reference< XAccessible > SAL_CALL ScAccessiblePreviewCell::getAccessibleAtPoint( const awt::Point& rPoint )
throw (uno::RuntimeException)
{
uno::Reference<XAccessible> xRet;
if (containsPoint(rPoint))
{
SolarMutexGuard aGuard;
IsObjectValid();
if(!mpTextHelper)
CreateTextHelper();
xRet = mpTextHelper->GetAt(rPoint);
}
return xRet;
}
void SAL_CALL ScAccessiblePreviewCell::grabFocus() throw (uno::RuntimeException)
{
SolarMutexGuard aGuard;
IsObjectValid();
if (getAccessibleParent().is())
{
uno::Reference<XAccessibleComponent> xAccessibleComponent(getAccessibleParent()->getAccessibleContext(), uno::UNO_QUERY);
if (xAccessibleComponent.is())
xAccessibleComponent->grabFocus();
}
}
//===== XAccessibleContext ==============================================
sal_Int32 SAL_CALL ScAccessiblePreviewCell::getAccessibleChildCount() throw(uno::RuntimeException)
{
SolarMutexGuard aGuard;
IsObjectValid();
if (!mpTextHelper)
CreateTextHelper();
return mpTextHelper->GetChildCount();
}
uno::Reference< XAccessible > SAL_CALL ScAccessiblePreviewCell::getAccessibleChild(sal_Int32 nIndex)
throw (uno::RuntimeException, lang::IndexOutOfBoundsException)
{
SolarMutexGuard aGuard;
IsObjectValid();
if (!mpTextHelper)
CreateTextHelper();
return mpTextHelper->GetChild(nIndex);
}
uno::Reference<XAccessibleStateSet> SAL_CALL ScAccessiblePreviewCell::getAccessibleStateSet()
throw(uno::RuntimeException)
{
SolarMutexGuard aGuard;
uno::Reference<XAccessibleStateSet> xParentStates;
if (getAccessibleParent().is())
{
uno::Reference<XAccessibleContext> xParentContext = getAccessibleParent()->getAccessibleContext();
xParentStates = xParentContext->getAccessibleStateSet();
}
utl::AccessibleStateSetHelper* pStateSet = new utl::AccessibleStateSetHelper();
if (IsDefunc(xParentStates))
pStateSet->AddState(AccessibleStateType::DEFUNC);
else
{
pStateSet->AddState(AccessibleStateType::ENABLED);
pStateSet->AddState(AccessibleStateType::MULTI_LINE);
if (IsOpaque(xParentStates))
pStateSet->AddState(AccessibleStateType::OPAQUE);
if (isShowing())
pStateSet->AddState(AccessibleStateType::SHOWING);
pStateSet->AddState(AccessibleStateType::TRANSIENT);
if (isVisible())
pStateSet->AddState(AccessibleStateType::VISIBLE);
// MANAGES_DESCENDANTS (for paragraphs)
pStateSet->AddState(AccessibleStateType::MANAGES_DESCENDANTS);
}
return pStateSet;
}
//===== XServiceInfo ====================================================
rtl::OUString SAL_CALL ScAccessiblePreviewCell::getImplementationName() throw(uno::RuntimeException)
{
return rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("ScAccessiblePreviewCell"));
}
uno::Sequence<rtl::OUString> SAL_CALL ScAccessiblePreviewCell::getSupportedServiceNames()
throw(uno::RuntimeException)
{
uno::Sequence< ::rtl::OUString > aSequence = ScAccessibleContextBase::getSupportedServiceNames();
sal_Int32 nOldSize(aSequence.getLength());
aSequence.realloc(nOldSize + 1);
::rtl::OUString* pNames = aSequence.getArray();
pNames[nOldSize] = rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("com.sun.star.table.AccessibleCellView"));
return aSequence;
}
//===== XTypeProvider =======================================================
uno::Sequence<sal_Int8> SAL_CALL
ScAccessiblePreviewCell::getImplementationId(void)
throw (uno::RuntimeException)
{
SolarMutexGuard aGuard;
IsObjectValid();
static uno::Sequence<sal_Int8> aId;
if (aId.getLength() == 0)
{
aId.realloc (16);
rtl_createUuid (reinterpret_cast<sal_uInt8 *>(aId.getArray()), 0, sal_True);
}
return aId;
}
//==== internal =========================================================
Rectangle ScAccessiblePreviewCell::GetBoundingBoxOnScreen() const throw (uno::RuntimeException)
{
Rectangle aCellRect;
if (mpViewShell)
{
mpViewShell->GetLocationData().GetCellPosition( maCellAddress, aCellRect );
Window* pWindow = mpViewShell->GetWindow();
if (pWindow)
{
Rectangle aRect = pWindow->GetWindowExtentsRelative(NULL);
aCellRect.setX(aCellRect.getX() + aRect.getX());
aCellRect.setY(aCellRect.getY() + aRect.getY());
}
}
return aCellRect;
}
Rectangle ScAccessiblePreviewCell::GetBoundingBox() const throw (uno::RuntimeException)
{
Rectangle aCellRect;
if (mpViewShell)
{
mpViewShell->GetLocationData().GetCellPosition( maCellAddress, aCellRect );
uno::Reference<XAccessible> xAccParent = const_cast<ScAccessiblePreviewCell*>(this)->getAccessibleParent();
if (xAccParent.is())
{
uno::Reference<XAccessibleContext> xAccParentContext = xAccParent->getAccessibleContext();
uno::Reference<XAccessibleComponent> xAccParentComp (xAccParentContext, uno::UNO_QUERY);
if (xAccParentComp.is())
{
Rectangle aParentRect (VCLRectangle(xAccParentComp->getBounds()));
aCellRect.setX(aCellRect.getX() - aParentRect.getX());
aCellRect.setY(aCellRect.getY() - aParentRect.getY());
}
}
}
return aCellRect;
}
sal_Bool ScAccessiblePreviewCell::IsDefunc(
const uno::Reference<XAccessibleStateSet>& rxParentStates)
{
return ScAccessibleContextBase::IsDefunc() || (mpDoc == NULL) || (mpViewShell == NULL) || !getAccessibleParent().is() ||
(rxParentStates.is() && rxParentStates->contains(AccessibleStateType::DEFUNC));
}
sal_Bool ScAccessiblePreviewCell::IsEditable(
const uno::Reference<XAccessibleStateSet>& /* rxParentStates */)
{
return sal_False;
}
sal_Bool ScAccessiblePreviewCell::IsOpaque(
const uno::Reference<XAccessibleStateSet>& /* rxParentStates */)
{
// test whether there is a background color
//! could be moved to ScAccessibleCellBase
sal_Bool bOpaque(sal_True);
if (mpDoc)
{
const SvxBrushItem* pItem = (const SvxBrushItem*)mpDoc->GetAttr(
maCellAddress.Col(), maCellAddress.Row(), maCellAddress.Tab(), ATTR_BACKGROUND);
if (pItem)
bOpaque = pItem->GetColor() != COL_TRANSPARENT;
}
return bOpaque;
}
void ScAccessiblePreviewCell::CreateTextHelper()
{
if (!mpTextHelper)
{
::std::auto_ptr < ScAccessibleTextData > pAccessiblePreviewCellTextData
(new ScAccessiblePreviewCellTextData(mpViewShell, maCellAddress));
::std::auto_ptr< SvxEditSource > pEditSource (new ScAccessibilityEditSource(pAccessiblePreviewCellTextData));
mpTextHelper = new ::accessibility::AccessibleTextHelper( pEditSource );
mpTextHelper->SetEventSource( this );
// paragraphs in preview are transient
::accessibility::AccessibleTextHelper::VectorOfStates aChildStates;
aChildStates.push_back( AccessibleStateType::TRANSIENT );
mpTextHelper->SetAdditionalChildStates( aChildStates );
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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