/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the Collabora Office 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 "accessibletabbarpage.hxx"

#include <svtools/tabbar.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 <comphelper/accessiblecontexthelper.hxx>
#include <cppuhelper/supportsservice.hxx>
#include <unotools/accessiblerelationsethelper.hxx>
#include <vcl/svapp.hxx>
#include <vcl/settings.hxx>
#include <vcl/unohelp.hxx>
#include <i18nlangtag/languagetag.hxx>


namespace accessibility
{

using namespace ::com::sun::star::accessibility;
using namespace ::com::sun::star::uno;
using namespace cpo::uno;
using namespace ::com::sun::star::lang;
using namespace ::com::sun::star;
using namespace ::comphelper;


AccessibleTabBarPage::AccessibleTabBarPage( TabBar* pTabBar, sal_uInt16 nPageId, const Reference< XAccessible >& rxParent )
    :ImplInheritanceHelper( pTabBar )
    ,m_nPageId( nPageId )
    ,m_xParent( rxParent )
{
    m_bShowing  = IsShowing();
    m_bSelected = IsSelected();

    if ( m_pTabBar )
        m_sPageText = m_pTabBar->GetPageText( m_nPageId );
}


bool AccessibleTabBarPage::IsEnabled()
{
    OExternalLockGuard aGuard( this );

    bool bEnabled = false;
    if ( m_pTabBar )
        bEnabled = m_pTabBar->IsPageEnabled( m_nPageId );

    return bEnabled;
}


bool AccessibleTabBarPage::IsShowing() const
{
    bool bShowing = false;

    if ( m_pTabBar && m_pTabBar->IsVisible() )
        bShowing = true;

    return bShowing;
}


bool AccessibleTabBarPage::IsSelected() const
{
    bool bSelected = false;

    if ( m_pTabBar && m_pTabBar->GetCurPageId() == m_nPageId )
        bSelected = true;

    return bSelected;
}


void AccessibleTabBarPage::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 AccessibleTabBarPage::SetSelected( bool bSelected )
{
    if ( m_bSelected != bSelected )
    {
        Any aOldValue, aNewValue;
        if ( m_bSelected )
            aOldValue <<= AccessibleStateType::SELECTED;
        else
            aNewValue <<= AccessibleStateType::SELECTED;
        m_bSelected = bSelected;
        NotifyAccessibleEvent( AccessibleEventId::STATE_CHANGED, aOldValue, aNewValue );
    }
}


void AccessibleTabBarPage::SetPageText( const OUString& sPageText )
{
    if ( m_sPageText != sPageText )
    {
        Any aOldValue, aNewValue;
        aOldValue <<= m_sPageText;
        aNewValue <<= sPageText;
        m_sPageText = sPageText;
        NotifyAccessibleEvent( AccessibleEventId::NAME_CHANGED, aOldValue, aNewValue );
    }
}


void AccessibleTabBarPage::FillAccessibleStateSet( sal_Int64& rStateSet )
{
    if ( IsEnabled() )
    {
        rStateSet |=  AccessibleStateType::ENABLED;
        rStateSet |=  AccessibleStateType::SENSITIVE;
    }

    rStateSet |=  AccessibleStateType::VISIBLE;

    if ( IsShowing() )
        rStateSet |=  AccessibleStateType::SHOWING;

    rStateSet |=  AccessibleStateType::SELECTABLE;

    if ( IsSelected() )
        rStateSet |=  AccessibleStateType::SELECTED;
}

// OAccessible

awt::Rectangle AccessibleTabBarPage::implGetBounds()
{
    awt::Rectangle aBounds;
    if ( m_pTabBar )
    {
        // get bounding rectangle relative to the AccessibleTabBar
        aBounds = vcl::unohelper::ConvertToAWTRect(m_pTabBar->GetPageRect(m_nPageId));

        // get position of the AccessibleTabBarPageList relative to the AccessibleTabBar
        Reference< XAccessible > xParent = getAccessibleParent();
        if ( xParent.is() )
        {
            Reference< XAccessibleComponent > xParentComponent( xParent->getAccessibleContext(), UNO_QUERY );
            if ( xParentComponent.is() )
            {
                awt::Point aParentLoc = xParentComponent->getLocation();

                // calculate bounding rectangle relative to the AccessibleTabBarPageList
                aBounds.X -= aParentLoc.X;
                aBounds.Y -= aParentLoc.Y;
            }
        }
    }

    return aBounds;
}


// XComponent


void AccessibleTabBarPage::disposing()
{
    AccessibleTabBarBase::disposing();
    m_sPageText.clear();
}


// XServiceInfo


OUString AccessibleTabBarPage::getImplementationName()
{
    return u"com.sun.star.comp.svtools.AccessibleTabBarPage"_ustr;
}


bool AccessibleTabBarPage::supportsService( const OUString& rServiceName )
{
    return cppu::supportsService(this, rServiceName);
}


Sequence< OUString > AccessibleTabBarPage::getSupportedServiceNames()
{
    return { u"com.sun.star.awt.AccessibleTabBarPage"_ustr };
}

// XAccessibleContext


sal_Int64 AccessibleTabBarPage::getAccessibleChildCount()
{
    return 0;
}


Reference< XAccessible > AccessibleTabBarPage::getAccessibleChild( sal_Int64 )
{
    OExternalLockGuard aGuard( this );

    throw IndexOutOfBoundsException();
}


Reference< XAccessible > AccessibleTabBarPage::getAccessibleParent(  )
{
    OExternalLockGuard aGuard( this );

    return m_xParent;
}


sal_Int64 AccessibleTabBarPage::getAccessibleIndexInParent(  )
{
    OExternalLockGuard aGuard( this );

    sal_Int64 nIndexInParent = -1;
    if ( m_pTabBar )
        nIndexInParent = m_pTabBar->GetPagePos( m_nPageId );

    return nIndexInParent;
}

sal_Int16 AccessibleTabBarPage::getAccessibleRole(  )
{
    return AccessibleRole::PAGE_TAB;
}

OUString AccessibleTabBarPage::getAccessibleDescription( )
{
    OExternalLockGuard aGuard( this );

    if (m_pTabBar)
        return m_pTabBar->GetHelpText(m_nPageId);

    return OUString();
}

OUString AccessibleTabBarPage::getAccessibleName(  )
{
    OExternalLockGuard aGuard( this );

    return m_sPageText;
}

Reference< XAccessibleRelationSet > AccessibleTabBarPage::getAccessibleRelationSet(  )
{
    OExternalLockGuard aGuard( this );

    return new utl::AccessibleRelationSetHelper;
}

sal_Int64 AccessibleTabBarPage::getAccessibleStateSet(  )
{
    OExternalLockGuard aGuard( this );

    sal_Int64 nStateSet = 0;

    if ( !rBHelper.bDisposed && !rBHelper.bInDispose )
    {
        FillAccessibleStateSet( nStateSet );
    }
    else
    {
        nStateSet |= AccessibleStateType::DEFUNC;
    }

    return nStateSet;
}


Locale AccessibleTabBarPage::getLocale(  )
{
    OExternalLockGuard aGuard( this );

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


// XAccessibleComponent


Reference< XAccessible > AccessibleTabBarPage::getAccessibleAtPoint( const awt::Point& )
{
    return Reference< XAccessible >();
}


void AccessibleTabBarPage::grabFocus(  )
{
    // no focus
}


sal_Int32 AccessibleTabBarPage::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 AccessibleTabBarPage::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 AccessibleTabBarPage::getTitledBorderText(  )
{
    OExternalLockGuard aGuard( this );

    return m_sPageText;
}

}   // namespace accessibility


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