/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */

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 * 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

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 */

#include <accessibility/vclxaccessiblestatusbaritem.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/datatransfer/clipboard/XClipboard.hpp>

#include <com/sun/star/datatransfer/clipboard/XFlushableClipboard.hpp>

#include <com/sun/star/lang/IndexOutOfBoundsException.hpp>

#include <comphelper/accessiblecontexthelper.hxx>

#include <cppuhelper/supportsservice.hxx>

#include <unotools/accessiblerelationsethelper.hxx>

#include <vcl/accessibility/characterattributeshelper.hxx>

#include <vcl/ctrl.hxx>

#include <vcl/svapp.hxx>

#include <vcl/unohelp.hxx>

#include <vcl/unohelp2.hxx>

#include <vcl/status.hxx>

#include <vcl/settings.hxx>

#include <i18nlangtag/languagetag.hxx>

using namespace ::com::sun::star::accessibility;

using namespace ::com::sun::star::uno;

using namespace ::com::sun::star::lang;

using namespace ::com::sun::star::beans;

using namespace ::com::sun::star;

using namespace ::comphelper;

VCLXAccessibleStatusBarItem::VCLXAccessibleStatusBarItem( StatusBar* pStatusBar, sal_uInt16 nItemId )

    :m_pStatusBar( pStatusBar )

    ,m_nItemId( nItemId )

{

    m_sItemName = GetItemName();

    m_sItemText = GetItemText();

    m_bShowing  = IsShowing();

}

bool VCLXAccessibleStatusBarItem::IsShowing()

{

    bool bShowing = false;

    if ( m_pStatusBar )

        bShowing = m_pStatusBar->IsItemVisible( m_nItemId );

    return bShowing;

}

void VCLXAccessibleStatusBarItem::SetShowing( bool bShowing )

{

    if ( m_bShowing != bShowing )

    {

        Any aOldValue, aNewValue;

        if ( m_bShowing )

            aOldValue <<= AccessibleStateType::SHOWING;

        else

            aNewValue <<= AccessibleStateType::SHOWING;

        m_bShowing = bShowing;

        NotifyAccessibleEvent( AccessibleEventId::STATE_CHANGED, aOldValue, aNewValue );

    }

}

void VCLXAccessibleStatusBarItem::SetItemName( const OUString& sItemName )

{

    if ( m_sItemName != sItemName )

    {

        Any aOldValue, aNewValue;

        aOldValue <<= m_sItemName;

        aNewValue <<= sItemName;

        m_sItemName = sItemName;

        NotifyAccessibleEvent( AccessibleEventId::NAME_CHANGED, aOldValue, aNewValue );

    }

}

OUString VCLXAccessibleStatusBarItem::GetItemName()

{

    OUString sName;

    if ( m_pStatusBar )

        sName = m_pStatusBar->GetAccessibleName( m_nItemId );

    return sName;

}

void VCLXAccessibleStatusBarItem::SetItemText( const OUString& sItemText )

{

    Any aOldValue, aNewValue;

    if ( implInitTextChangedEvent( m_sItemText, sItemText, aOldValue, aNewValue ) )

    {

        m_sItemText = sItemText;

        NotifyAccessibleEvent( AccessibleEventId::TEXT_CHANGED, aOldValue, aNewValue );

    }

}

OUString VCLXAccessibleStatusBarItem::GetItemText()

{

    OUString sText;

    if ( m_pStatusBar )

        sText = m_pStatusBar->GetItemText( m_nItemId );

    return sText;

}

void VCLXAccessibleStatusBarItem::FillAccessibleStateSet( sal_Int64& rStateSet )

{

    rStateSet |= AccessibleStateType::ENABLED;

    rStateSet |= AccessibleStateType::SENSITIVE;

    rStateSet |= AccessibleStateType::VISIBLE;

    if ( IsShowing() )

        rStateSet |= AccessibleStateType::SHOWING;

}

// OAccessible

awt::Rectangle VCLXAccessibleStatusBarItem::implGetBounds()

{

    awt::Rectangle aBounds( 0, 0, 0, 0 );

    if ( m_pStatusBar )

        aBounds = vcl::unohelper::ConvertToAWTRect(m_pStatusBar->GetItemRect(m_nItemId));

    return aBounds;

}

// OCommonAccessibleText

OUString VCLXAccessibleStatusBarItem::implGetText()

{

    return GetItemText();

}

lang::Locale VCLXAccessibleStatusBarItem::implGetLocale()

{

    return Application::GetSettings().GetLanguageTag().getLocale();

}

void VCLXAccessibleStatusBarItem::implGetSelection( sal_Int32& nStartIndex, sal_Int32& nEndIndex )

{

    nStartIndex = 0;

    nEndIndex = 0;

}

// XComponent

void VCLXAccessibleStatusBarItem::disposing()

{

    comphelper::OAccessibleTextHelper::disposing();

    m_pStatusBar = nullptr;

    m_sItemName.clear();

    m_sItemText.clear();

}

// XAccessibleContext

sal_Int64 VCLXAccessibleStatusBarItem::getAccessibleChildCount()

{

    OExternalLockGuard aGuard( this );

    return 0;

}

Reference< XAccessible > VCLXAccessibleStatusBarItem::getAccessibleChild( sal_Int64 )

{

    throw IndexOutOfBoundsException();

}

Reference< XAccessible > VCLXAccessibleStatusBarItem::getAccessibleParent(  )

{

    OExternalLockGuard aGuard( this );

    Reference< XAccessible > xParent;

    if ( m_pStatusBar )

        xParent = m_pStatusBar->GetAccessible();

    return xParent;

}

sal_Int64 VCLXAccessibleStatusBarItem::getAccessibleIndexInParent(  )

{

    OExternalLockGuard aGuard( this );

    sal_Int64 nIndexInParent = -1;

    if ( m_pStatusBar )

        nIndexInParent = m_pStatusBar->GetItemPos( m_nItemId );

    return nIndexInParent;

}

sal_Int16 VCLXAccessibleStatusBarItem::getAccessibleRole(  )

{

    OExternalLockGuard aGuard( this );

    return AccessibleRole::LABEL;

}

OUString VCLXAccessibleStatusBarItem::getAccessibleDescription(  )

{

    OExternalLockGuard aGuard( this );

    OUString sDescription;

    if ( m_pStatusBar )

        sDescription = m_pStatusBar->GetHelpText( m_nItemId );

    return sDescription;

}

OUString VCLXAccessibleStatusBarItem::getAccessibleName(  )

{

    OExternalLockGuard aGuard( this );

    return GetItemName();

}

Reference< XAccessibleRelationSet > VCLXAccessibleStatusBarItem::getAccessibleRelationSet(  )

{

    OExternalLockGuard aGuard( this );

    return new utl::AccessibleRelationSetHelper;

}

sal_Int64 VCLXAccessibleStatusBarItem::getAccessibleStateSet(  )

{

    OExternalLockGuard aGuard( this );

    sal_Int64 nStateSet = 0;

    if (isAlive())

        FillAccessibleStateSet( nStateSet );

    else

        nStateSet |= AccessibleStateType::DEFUNC;

    return nStateSet;

}

Locale VCLXAccessibleStatusBarItem::getLocale(  )

{

    OExternalLockGuard aGuard( this );

    return Application::GetSettings().GetLanguageTag().getLocale();

}

// XAccessibleComponent

Reference< XAccessible > VCLXAccessibleStatusBarItem::getAccessibleAtPoint( const awt::Point& )

{

    OExternalLockGuard aGuard( this );

    return Reference< XAccessible >();

}

void VCLXAccessibleStatusBarItem::grabFocus(  )

{

    // no focus for status bar items

}

sal_Int32 VCLXAccessibleStatusBarItem::getForeground(   )

{

    OExternalLockGuard aGuard( this );

    sal_Int32 nColor = 0;

    Reference< XAccessible > xParent = getAccessibleParent();

    if ( xParent.is() )

    {

        Reference< XAccessibleComponent > xParentComp( xParent->getAccessibleContext(), UNO_QUERY );

        if ( xParentComp.is() )

            nColor = xParentComp->getForeground();

    }

    return nColor;

}

sal_Int32 VCLXAccessibleStatusBarItem::getBackground(  )

{

    OExternalLockGuard aGuard( this );

    sal_Int32 nColor = 0;

    Reference< XAccessible > xParent = getAccessibleParent();

    if ( xParent.is() )

    {

        Reference< XAccessibleComponent > xParentComp( xParent->getAccessibleContext(), UNO_QUERY );

        if ( xParentComp.is() )

            nColor = xParentComp->getBackground();

    }

    return nColor;

}

// XAccessibleExtendedComponent

OUString VCLXAccessibleStatusBarItem::getTitledBorderText(  )

{

    OExternalLockGuard aGuard( this );

    return GetItemText();

}

// XAccessibleText

OUString VCLXAccessibleStatusBarItem::getText()

{

    OExternalLockGuard aGuard( this );

    return GetItemText();

}

OUString VCLXAccessibleStatusBarItem::getTextRange(sal_Int32 nStartIndex, sal_Int32 nEndIndex)

{

    OExternalLockGuard aGuard( this );

    return OCommonAccessibleText::implGetTextRange(GetItemText(), nStartIndex, nEndIndex);

}

sal_Int32 VCLXAccessibleStatusBarItem::getCharacterCount()

{

    OExternalLockGuard aGuard( this );

    return GetItemText().getLength();

}

sal_Unicode VCLXAccessibleStatusBarItem::getCharacter( sal_Int32 nIndex )

{

     OExternalLockGuard aGuard( this );

     return OCommonAccessibleText::implGetCharacter( GetItemText(), nIndex );

}

sal_Int32 VCLXAccessibleStatusBarItem::getCaretPosition()

{

    OExternalLockGuard aGuard( this );

    return -1;

}

sal_Bool VCLXAccessibleStatusBarItem::setCaretPosition( sal_Int32 nIndex )

{

    OExternalLockGuard aGuard( this );

    if ( !implIsValidRange( nIndex, nIndex, GetItemText().getLength() ) )

        throw IndexOutOfBoundsException();

    return false;

}

Sequence< PropertyValue > VCLXAccessibleStatusBarItem::getCharacterAttributes( sal_Int32 nIndex, const Sequence< OUString >& aRequestedAttributes )

{

    OExternalLockGuard aGuard( this );

    Sequence< PropertyValue > aValues;

    OUString sText( implGetText() );

    if ( !implIsValidIndex( nIndex, sText.getLength() ) )

        throw IndexOutOfBoundsException();

    if ( m_pStatusBar )

    {

        vcl::Font aFont = m_pStatusBar->GetFont();

        sal_Int32 nBackColor = getBackground();

        sal_Int32 nColor = getForeground();

        aValues = CharacterAttributesHelper( aFont, nBackColor, nColor )

            .GetCharacterAttributes( aRequestedAttributes );

    }

    return aValues;

}

awt::Rectangle VCLXAccessibleStatusBarItem::getCharacterBounds( sal_Int32 nIndex )

{

    OExternalLockGuard aGuard( this );

    if ( !implIsValidIndex( nIndex, implGetText().getLength() ) )

        throw IndexOutOfBoundsException();

    awt::Rectangle aBounds( 0, 0, 0, 0 );

    if ( m_pStatusBar )

    {

        vcl::ControlLayoutData aLayoutData;

        tools::Rectangle aItemRect = m_pStatusBar->GetItemRect( m_nItemId );

        m_pStatusBar->RecordLayoutData( &aLayoutData, aItemRect );

        tools::Rectangle aCharRect = aLayoutData.GetCharacterBounds( nIndex );

        aCharRect.Move( -aItemRect.Left(), -aItemRect.Top() );

        aBounds = vcl::unohelper::ConvertToAWTRect(aCharRect);

    }

    return aBounds;

}

sal_Int32 VCLXAccessibleStatusBarItem::getIndexAtPoint( const awt::Point& aPoint )

{

    OExternalLockGuard aGuard( this );

    sal_Int32 nIndex = -1;

    if ( m_pStatusBar )

    {

        vcl::ControlLayoutData aLayoutData;

        tools::Rectangle aItemRect = m_pStatusBar->GetItemRect( m_nItemId );

        m_pStatusBar->RecordLayoutData( &aLayoutData, aItemRect );

        Point aPnt(vcl::unohelper::ConvertToVCLPoint(aPoint));

        aPnt += aItemRect.TopLeft();

        nIndex = aLayoutData.GetIndexForPoint( aPnt );

    }

    return nIndex;

}

sal_Bool VCLXAccessibleStatusBarItem::setSelection( sal_Int32 nStartIndex, sal_Int32 nEndIndex )

{

    OExternalLockGuard aGuard( this );

    if ( !implIsValidRange( nStartIndex, nEndIndex, implGetText().getLength() ) )

        throw IndexOutOfBoundsException();

    return false;

}

sal_Bool VCLXAccessibleStatusBarItem::copyText( sal_Int32 nStartIndex, sal_Int32 nEndIndex )

{

    OExternalLockGuard aGuard( this );

    bool bReturn = false;

    if ( m_pStatusBar )

    {

        Reference< datatransfer::clipboard::XClipboard > xClipboard = m_pStatusBar->GetClipboard();

        if ( xClipboard.is() )

        {

            OUString sText( implGetTextRange( GetItemText(), nStartIndex, nEndIndex ) );

            rtl::Reference<vcl::unohelper::TextDataObject> pDataObj = new vcl::unohelper::TextDataObject( sText );

            SolarMutexReleaser aReleaser;

            xClipboard->setContents( pDataObj, nullptr );

            Reference< datatransfer::clipboard::XFlushableClipboard > xFlushableClipboard( xClipboard, uno::UNO_QUERY );

            if( xFlushableClipboard.is() )

                xFlushableClipboard->flushClipboard();

            bReturn = true;

        }

    }

    return bReturn;

}

sal_Bool VCLXAccessibleStatusBarItem::scrollSubstringTo( sal_Int32, sal_Int32, AccessibleScrollType )

{

    return false;

}

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */