/**************************************************************
 * 
 * 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
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 * 
 *************************************************************/



// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_accessibility.hxx"
#include <accessibility/extended/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 <unotools/accessiblestatesethelper.hxx>
#include <unotools/accessiblerelationsethelper.hxx>
#include <vcl/svapp.hxx>
#include <toolkit/helper/convert.hxx>


//.........................................................................
namespace accessibility
{
//.........................................................................

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

	// -----------------------------------------------------------------------------
	// class AccessibleTabBarPage
	// -----------------------------------------------------------------------------

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

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

	// -----------------------------------------------------------------------------

	AccessibleTabBarPage::~AccessibleTabBarPage()
	{
	}

	// -----------------------------------------------------------------------------

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

		sal_Bool bEnabled = sal_False;
		if ( m_pTabBar )
			bEnabled = m_pTabBar->IsPageEnabled( m_nPageId );
		
		return bEnabled;
	}

	// -----------------------------------------------------------------------------

	sal_Bool AccessibleTabBarPage::IsShowing()
	{
		sal_Bool bShowing = sal_False;

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

		return bShowing;
	}

	// -----------------------------------------------------------------------------

	sal_Bool AccessibleTabBarPage::IsSelected()
	{
		sal_Bool bSelected = sal_False;

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

		return bSelected;
	}

	// -----------------------------------------------------------------------------

	void AccessibleTabBarPage::SetEnabled( sal_Bool bEnabled )
	{
		if ( m_bEnabled != bEnabled )
		{
            Any aOldValue[2], aNewValue[2];
            if ( m_bEnabled )
            {
                aOldValue[0] <<= AccessibleStateType::SENSITIVE;
                aOldValue[1] <<= AccessibleStateType::ENABLED;
            }
            else
            {

                aNewValue[0] <<= AccessibleStateType::ENABLED;
                aNewValue[1] <<= AccessibleStateType::SENSITIVE;
            }
            m_bEnabled = bEnabled;
            NotifyAccessibleEvent( AccessibleEventId::STATE_CHANGED, aOldValue[0], aNewValue[0] );
            NotifyAccessibleEvent( AccessibleEventId::STATE_CHANGED, aOldValue[1], aNewValue[1] );
		}
	}

	// -----------------------------------------------------------------------------

	void AccessibleTabBarPage::SetShowing( sal_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( sal_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 ::rtl::OUString& sPageText )
	{
		if ( !m_sPageText.equals( sPageText ) )
		{
			Any aOldValue, aNewValue;
			aOldValue <<= m_sPageText;
			aNewValue <<= sPageText;
			m_sPageText = sPageText;
			NotifyAccessibleEvent( AccessibleEventId::NAME_CHANGED, aOldValue, aNewValue );
		}
	}

	// -----------------------------------------------------------------------------

	void AccessibleTabBarPage::FillAccessibleStateSet( utl::AccessibleStateSetHelper& rStateSet )
	{
		if ( IsEnabled() )
        {
            rStateSet.AddState( AccessibleStateType::ENABLED );
            rStateSet.AddState( AccessibleStateType::SENSITIVE );
        }

		rStateSet.AddState( AccessibleStateType::VISIBLE );

		if ( IsShowing() )
			rStateSet.AddState( AccessibleStateType::SHOWING );

		rStateSet.AddState( AccessibleStateType::SELECTABLE );

		if ( IsSelected() )
			rStateSet.AddState( AccessibleStateType::SELECTED );
	}

	// -----------------------------------------------------------------------------
	// OCommonAccessibleComponent 
	// -----------------------------------------------------------------------------

	awt::Rectangle AccessibleTabBarPage::implGetBounds() throw (RuntimeException)
	{
		awt::Rectangle aBounds;	
		if ( m_pTabBar )
		{
			// get bounding rectangle relative to the AccessibleTabBar
			aBounds = AWTRectangle( 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;
	}

	// -----------------------------------------------------------------------------
	// XInterface
	// -----------------------------------------------------------------------------

	IMPLEMENT_FORWARD_XINTERFACE2( AccessibleTabBarPage, AccessibleExtendedComponentHelper_BASE, AccessibleTabBarPage_BASE )

	// -----------------------------------------------------------------------------
	// XTypeProvider
	// -----------------------------------------------------------------------------

	IMPLEMENT_FORWARD_XTYPEPROVIDER2( AccessibleTabBarPage, AccessibleExtendedComponentHelper_BASE, AccessibleTabBarPage_BASE )

	// -----------------------------------------------------------------------------
	// XComponent
	// -----------------------------------------------------------------------------

	void AccessibleTabBarPage::disposing()
	{
        AccessibleTabBarBase::disposing();
		m_sPageText = ::rtl::OUString();
	}

	// -----------------------------------------------------------------------------
	// XServiceInfo
	// -----------------------------------------------------------------------------

	::rtl::OUString AccessibleTabBarPage::getImplementationName() throw (RuntimeException)
	{
		return ::rtl::OUString::createFromAscii( "com.sun.star.comp.svtools.AccessibleTabBarPage" );
	}

	// -----------------------------------------------------------------------------

	sal_Bool AccessibleTabBarPage::supportsService( const ::rtl::OUString& rServiceName ) throw (RuntimeException)
	{
		Sequence< ::rtl::OUString > aNames( getSupportedServiceNames() );
		const ::rtl::OUString* pNames = aNames.getConstArray();
		const ::rtl::OUString* pEnd = pNames + aNames.getLength();
		for ( ; pNames != pEnd && !pNames->equals( rServiceName ); ++pNames )
			;

		return pNames != pEnd;
	}

	// -----------------------------------------------------------------------------

	Sequence< ::rtl::OUString > AccessibleTabBarPage::getSupportedServiceNames() throw (RuntimeException)
	{
		Sequence< ::rtl::OUString > aNames(1);
		aNames[0] = ::rtl::OUString::createFromAscii( "com.sun.star.awt.AccessibleTabBarPage" );
		return aNames;
	}

	// -----------------------------------------------------------------------------
	// XAccessible
	// -----------------------------------------------------------------------------

	Reference< XAccessibleContext > AccessibleTabBarPage::getAccessibleContext(  ) throw (RuntimeException)
	{
		OExternalLockGuard aGuard( this );

		return this;
	}

	// -----------------------------------------------------------------------------
	// XAccessibleContext
	// -----------------------------------------------------------------------------

	sal_Int32 AccessibleTabBarPage::getAccessibleChildCount() throw (RuntimeException)
	{
		OExternalLockGuard aGuard( this );

		return 0;
	}

	// -----------------------------------------------------------------------------

	Reference< XAccessible > AccessibleTabBarPage::getAccessibleChild( sal_Int32 i ) throw (IndexOutOfBoundsException, RuntimeException)
	{
		OExternalLockGuard aGuard( this );

		if ( i < 0 || i >= getAccessibleChildCount() )
			throw IndexOutOfBoundsException();

		return Reference< XAccessible >();
	}

	// -----------------------------------------------------------------------------

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

		return m_xParent;
	}

	// -----------------------------------------------------------------------------

	sal_Int32 AccessibleTabBarPage::getAccessibleIndexInParent(  ) throw (RuntimeException)
	{
		OExternalLockGuard aGuard( this );

		sal_Int32 nIndexInParent = -1;
		if ( m_pTabBar )
			nIndexInParent = m_pTabBar->GetPagePos( m_nPageId );

		return nIndexInParent;
	}

	// -----------------------------------------------------------------------------

	sal_Int16 AccessibleTabBarPage::getAccessibleRole(  ) throw (RuntimeException)
	{
		OExternalLockGuard aGuard( this );

		return AccessibleRole::PAGE_TAB;
	}

	// -----------------------------------------------------------------------------

	::rtl::OUString AccessibleTabBarPage::getAccessibleDescription(	) throw (RuntimeException)
	{
		OExternalLockGuard aGuard( this );

		::rtl::OUString sDescription;
		if ( m_pTabBar )
			sDescription = m_pTabBar->GetHelpText( m_nPageId );

		return sDescription;
	}

	// -----------------------------------------------------------------------------

	::rtl::OUString AccessibleTabBarPage::getAccessibleName(  ) throw (RuntimeException)
	{
		OExternalLockGuard aGuard( this );

		return m_sPageText;		
	}

	// -----------------------------------------------------------------------------

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

		utl::AccessibleRelationSetHelper* pRelationSetHelper = new utl::AccessibleRelationSetHelper;
		Reference< XAccessibleRelationSet > xSet = pRelationSetHelper;
		return xSet;
	}

	// -----------------------------------------------------------------------------

	Reference< XAccessibleStateSet > AccessibleTabBarPage::getAccessibleStateSet(  ) throw (RuntimeException)
	{
		OExternalLockGuard aGuard( this );

		utl::AccessibleStateSetHelper* pStateSetHelper = new utl::AccessibleStateSetHelper;
		Reference< XAccessibleStateSet > xSet = pStateSetHelper;

		if ( !rBHelper.bDisposed && !rBHelper.bInDispose )
		{
			FillAccessibleStateSet( *pStateSetHelper );
		}
		else
		{
			pStateSetHelper->AddState( AccessibleStateType::DEFUNC );
		}

		return xSet;
	}

	// -----------------------------------------------------------------------------

	Locale AccessibleTabBarPage::getLocale(  ) throw (IllegalAccessibleComponentStateException, RuntimeException)
	{
		OExternalLockGuard aGuard( this );

		return Application::GetSettings().GetLocale();
	}

	// -----------------------------------------------------------------------------
	// XAccessibleComponent
	// -----------------------------------------------------------------------------

	Reference< XAccessible > AccessibleTabBarPage::getAccessibleAtPoint( const awt::Point& ) throw (RuntimeException)
	{
		OExternalLockGuard aGuard( this );

		return Reference< XAccessible >();
	}

	// -----------------------------------------------------------------------------

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

	// -----------------------------------------------------------------------------

	sal_Int32 AccessibleTabBarPage::getForeground(	) throw (RuntimeException)
	{
		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(  ) throw (RuntimeException)
	{
		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
	// -----------------------------------------------------------------------------

	Reference< awt::XFont > AccessibleTabBarPage::getFont(  ) throw (RuntimeException)
	{
		OExternalLockGuard aGuard( this );

		Reference< awt::XFont > xFont;
		Reference< XAccessible > xParent = getAccessibleParent();
		if ( xParent.is() )
		{
			Reference< XAccessibleExtendedComponent > xParentComp( xParent->getAccessibleContext(), UNO_QUERY );
			if ( xParentComp.is() )
				xFont = xParentComp->getFont();	
		}

		return xFont;
	}

	// -----------------------------------------------------------------------------

	::rtl::OUString AccessibleTabBarPage::getTitledBorderText(  ) throw (RuntimeException)
	{
		OExternalLockGuard aGuard( this );

		return m_sPageText;		
	}

	// -----------------------------------------------------------------------------

	::rtl::OUString AccessibleTabBarPage::getToolTipText(  ) throw (RuntimeException)
	{
		OExternalLockGuard aGuard( this );

		return ::rtl::OUString();
	}

	// -----------------------------------------------------------------------------

//.........................................................................
}	// namespace accessibility
//.........................................................................