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 * 
 * Licensed to the Apache Software Foundation (ASF) under one
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 * 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
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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_vcl.hxx"
#include <com/sun/star/container/XIndexAccess.hpp>
#include <com/sun/star/lang/XServiceInfo.hpp>
#include <com/sun/star/beans/XPropertySet.hpp>
#include <com/sun/star/beans/PropertyAttribute.hpp>
#include <com/sun/star/awt/Rectangle.hpp>
#include <com/sun/star/lang/DisposedException.hpp>

#include <vcl/svapp.hxx>

#include <cppuhelper/implbase3.hxx>
#include <cppuhelper/implbase4.hxx>

#include <vector>
#include <tools/debug.hxx>


using ::rtl::OUString;
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::lang;
using namespace ::com::sun::star::container;
using namespace ::com::sun::star::beans;

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

namespace vcl
{

class DisplayInfo : public ::cppu::WeakAggImplHelper3< XPropertySet, XPropertySetInfo, XServiceInfo >
{
public:
	DisplayInfo( sal_uInt32 nDisplay );

    // XPropertySet
    virtual Reference< XPropertySetInfo > SAL_CALL getPropertySetInfo(  ) throw (RuntimeException);
    virtual void SAL_CALL setPropertyValue( const OUString& aPropertyName, const Any& aValue ) throw (UnknownPropertyException, PropertyVetoException, IllegalArgumentException, WrappedTargetException, RuntimeException);
    virtual Any SAL_CALL getPropertyValue( const OUString& PropertyName ) throw (UnknownPropertyException, WrappedTargetException, RuntimeException);
    virtual void SAL_CALL addPropertyChangeListener( const OUString& aPropertyName, const Reference< XPropertyChangeListener >& xListener ) throw (UnknownPropertyException, WrappedTargetException, RuntimeException);
    virtual void SAL_CALL removePropertyChangeListener( const OUString& aPropertyName, const Reference< XPropertyChangeListener >& aListener ) throw (UnknownPropertyException, WrappedTargetException, RuntimeException);
    virtual void SAL_CALL addVetoableChangeListener( const OUString& PropertyName, const Reference< XVetoableChangeListener >& aListener ) throw (UnknownPropertyException, WrappedTargetException, RuntimeException);
    virtual void SAL_CALL removeVetoableChangeListener( const OUString& PropertyName, const Reference< XVetoableChangeListener >& aListener ) throw (UnknownPropertyException, WrappedTargetException, RuntimeException);

    // XPropertySetInfo
    virtual Sequence< Property > SAL_CALL getProperties(  ) throw (RuntimeException);
    virtual Property SAL_CALL getPropertyByName( const OUString& aName ) throw (UnknownPropertyException, RuntimeException);
    virtual ::sal_Bool SAL_CALL hasPropertyByName( const OUString& Name ) throw (RuntimeException);

	// XServiceInfo
    virtual OUString SAL_CALL getImplementationName(  ) throw (RuntimeException);
    virtual ::sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) throw (RuntimeException);
    virtual Sequence< OUString > SAL_CALL getSupportedServiceNames(  ) throw (RuntimeException);

private:
	sal_uInt32 mnDisplay;
};

static const char* pScreenAreaName = "ScreenArea";
static const char* pWorkAreaName = "WorkArea";
static const char* pScreenName = "ScreenName";

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

DisplayInfo::DisplayInfo( sal_uInt32 nDisplay )
: mnDisplay( nDisplay )
{
}

// XPropertySet
Reference< XPropertySetInfo > SAL_CALL DisplayInfo::getPropertySetInfo(  ) throw (RuntimeException)
{
	return this;
}

void SAL_CALL DisplayInfo::setPropertyValue( const OUString& /*aPropertyName* */, const Any& /*aValue*/ ) throw (UnknownPropertyException, PropertyVetoException, IllegalArgumentException, WrappedTargetException, RuntimeException)
{
	throw PropertyVetoException();
}

Any SAL_CALL DisplayInfo::getPropertyValue( const OUString& PropertyName ) throw (UnknownPropertyException, WrappedTargetException, RuntimeException)
{
    Rectangle aRect;
	if( PropertyName.equalsAscii( pScreenAreaName ) )
	{
		aRect = Application::GetScreenPosSizePixel( mnDisplay );
	}
	else if( PropertyName.equalsAscii( pWorkAreaName ) )
	{
		aRect = Application::GetWorkAreaPosSizePixel( mnDisplay );
	}
	else if( PropertyName.equalsAscii( pScreenName ) )
	{
		return Any( Application::GetScreenName( mnDisplay ) );
	}
    else
        throw UnknownPropertyException();

	return Any( com::sun::star::awt::Rectangle( aRect.Left(), aRect.Top(), aRect.getWidth(), aRect.getHeight() ) );
}

void SAL_CALL DisplayInfo::addPropertyChangeListener( const OUString&, const Reference< XPropertyChangeListener >& ) throw (UnknownPropertyException, WrappedTargetException, RuntimeException) {}
void SAL_CALL DisplayInfo::removePropertyChangeListener( const OUString&, const Reference< XPropertyChangeListener >& ) throw (UnknownPropertyException, WrappedTargetException, RuntimeException) {}
void SAL_CALL DisplayInfo::addVetoableChangeListener( const OUString&, const Reference< XVetoableChangeListener >& ) throw (UnknownPropertyException, WrappedTargetException, RuntimeException) {}
void SAL_CALL DisplayInfo::removeVetoableChangeListener( const OUString&, const Reference< XVetoableChangeListener >& ) throw (UnknownPropertyException, WrappedTargetException, RuntimeException) {}

// XPropertySetInfo
Sequence< Property > SAL_CALL DisplayInfo::getProperties(  ) throw (RuntimeException)
{
	Sequence< Property > aProps(2);
	aProps[0] = getPropertyByName( OUString::createFromAscii( pScreenAreaName ) );
	aProps[1] = getPropertyByName( OUString::createFromAscii( pWorkAreaName ) );
	return aProps;
}

Property SAL_CALL DisplayInfo::getPropertyByName( const OUString& aName ) throw (UnknownPropertyException, RuntimeException)
{
	if( aName.equalsAscii( pScreenAreaName ) ||
        aName.equalsAscii( pWorkAreaName ) )
		return Property( aName, 0, ::getCppuType( (::com::sun::star::awt::Rectangle const *)0 ), PropertyAttribute::READONLY );
	throw UnknownPropertyException();
}

::sal_Bool SAL_CALL DisplayInfo::hasPropertyByName( const OUString& Name ) throw (RuntimeException)
{
	return Name.equalsAscii( pScreenAreaName ) ||
           Name.equalsAscii( pWorkAreaName );
}

// XServiceInfo
OUString SAL_CALL DisplayInfo::getImplementationName(  ) throw (RuntimeException)
{
	static OUString aImplementationName( RTL_CONSTASCII_USTRINGPARAM( "vcl::DisplayInfo" ) );
	return aImplementationName;
}

::sal_Bool SAL_CALL DisplayInfo::supportsService( const OUString& ServiceName ) throw (RuntimeException)
{
	Sequence< OUString > aSN( getSupportedServiceNames() );
	for( sal_Int32 nService = 0; nService < aSN.getLength(); nService++ )
	{
		if( aSN[nService] == ServiceName )
			return sal_True;
	}
	return sal_False;
}

Sequence< OUString > SAL_CALL DisplayInfo::getSupportedServiceNames(  ) throw (RuntimeException)
{
	static OUString aServiceName( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.awt.DisplayInfo" ) );
	static Sequence< OUString > aServiceNames( &aServiceName, 1  );
	return aServiceNames;
}

// ====================================================================
	
class DisplayAccess : public ::cppu::WeakAggImplHelper4< XPropertySet, XPropertySetInfo, XIndexAccess, XServiceInfo >
{
public:
	DisplayAccess ();

    // XPropertySet
    virtual Reference< XPropertySetInfo > SAL_CALL getPropertySetInfo(  ) throw (RuntimeException);
    virtual void SAL_CALL setPropertyValue( const OUString& aPropertyName, const Any& aValue ) throw (UnknownPropertyException, PropertyVetoException, IllegalArgumentException, WrappedTargetException, RuntimeException);
    virtual Any SAL_CALL getPropertyValue( const OUString& PropertyName ) throw (UnknownPropertyException, WrappedTargetException, RuntimeException);
    virtual void SAL_CALL addPropertyChangeListener( const OUString& aPropertyName, const Reference< XPropertyChangeListener >& xListener ) throw (UnknownPropertyException, WrappedTargetException, RuntimeException);
    virtual void SAL_CALL removePropertyChangeListener( const OUString& aPropertyName, const Reference< XPropertyChangeListener >& aListener ) throw (UnknownPropertyException, WrappedTargetException, RuntimeException);
    virtual void SAL_CALL addVetoableChangeListener( const OUString& PropertyName, const Reference< XVetoableChangeListener >& aListener ) throw (UnknownPropertyException, WrappedTargetException, RuntimeException);
    virtual void SAL_CALL removeVetoableChangeListener( const OUString& PropertyName, const Reference< XVetoableChangeListener >& aListener ) throw (UnknownPropertyException, WrappedTargetException, RuntimeException);

    // XPropertySetInfo
    virtual Sequence< Property > SAL_CALL getProperties(  ) throw (RuntimeException);
    virtual Property SAL_CALL getPropertyByName( const OUString& aName ) throw (UnknownPropertyException, RuntimeException);
    virtual ::sal_Bool SAL_CALL hasPropertyByName( const OUString& Name ) throw (RuntimeException);

    // XIndexAccess
    virtual ::sal_Int32 SAL_CALL getCount() throw (RuntimeException);
    virtual Any SAL_CALL getByIndex( ::sal_Int32 Index ) throw (IndexOutOfBoundsException, WrappedTargetException, RuntimeException);

    // XElementAccess
    virtual Type SAL_CALL getElementType(  ) throw (RuntimeException);
    virtual ::sal_Bool SAL_CALL hasElements(  ) throw (RuntimeException);

	// XServiceInfo
    virtual OUString SAL_CALL getImplementationName(  ) throw (RuntimeException);
    virtual ::sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) throw (RuntimeException);
    virtual Sequence< OUString > SAL_CALL getSupportedServiceNames(  ) throw (RuntimeException);
};

Sequence< OUString > DisplayAccess_getSupportedServiceNames()
{
	static OUString aServiceName( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.awt.DisplayAccess" ) );
	static Sequence< OUString > aServiceNames( &aServiceName, 1 );
	return aServiceNames;
}

OUString DisplayAccess_getImplementationName()
{
	return OUString( RTL_CONSTASCII_USTRINGPARAM( "vcl::DisplayAccess" ) );
}

Reference< XInterface > SAL_CALL DisplayAccess_createInstance( const Reference< XMultiServiceFactory >&  )
{
	return static_cast< ::cppu::OWeakObject * >( new DisplayAccess );
}

DisplayAccess::DisplayAccess()
{
}

static const char* pMultiDisplayName = "MultiDisplay";
static const char* pDefaultDisplayName = "DefaultDisplay";

// XPropertySet
Reference< XPropertySetInfo > SAL_CALL DisplayAccess::getPropertySetInfo(  ) throw (RuntimeException)
{
	return this;
}

void SAL_CALL DisplayAccess::setPropertyValue( const OUString& /*aPropertyName* */, const Any& /*aValue*/ ) throw (UnknownPropertyException, PropertyVetoException, IllegalArgumentException, WrappedTargetException, RuntimeException)
{
	throw PropertyVetoException();
}

Any SAL_CALL DisplayAccess::getPropertyValue( const OUString& PropertyName ) throw (UnknownPropertyException, WrappedTargetException, RuntimeException)
{
    Any aRet;
	if( PropertyName.equalsAscii( pMultiDisplayName ) )
	{
        aRet <<= sal_Bool( Application::IsMultiDisplay() );
	}
	else if( PropertyName.equalsAscii( pDefaultDisplayName ) )
	{
        aRet <<= sal_Int32( Application::GetDefaultDisplayNumber() );
	}
    else
        throw UnknownPropertyException();

	return aRet;
}

void SAL_CALL DisplayAccess::addPropertyChangeListener( const OUString&, const Reference< XPropertyChangeListener >& ) throw (UnknownPropertyException, WrappedTargetException, RuntimeException) {}
void SAL_CALL DisplayAccess::removePropertyChangeListener( const OUString&, const Reference< XPropertyChangeListener >& ) throw (UnknownPropertyException, WrappedTargetException, RuntimeException) {}
void SAL_CALL DisplayAccess::addVetoableChangeListener( const OUString&, const Reference< XVetoableChangeListener >& ) throw (UnknownPropertyException, WrappedTargetException, RuntimeException) {}
void SAL_CALL DisplayAccess::removeVetoableChangeListener( const OUString&, const Reference< XVetoableChangeListener >& ) throw (UnknownPropertyException, WrappedTargetException, RuntimeException) {}

// XPropertySetInfo
Sequence< Property > SAL_CALL DisplayAccess::getProperties(  ) throw (RuntimeException)
{
	Sequence< Property > aProps(2);
	aProps[0] = getPropertyByName( OUString::createFromAscii( pMultiDisplayName ) );
	aProps[1] = getPropertyByName( OUString::createFromAscii( pDefaultDisplayName ) );
	return aProps;
}

Property SAL_CALL DisplayAccess::getPropertyByName( const OUString& aName ) throw (UnknownPropertyException, RuntimeException)
{
	if( aName.equalsAscii( pMultiDisplayName ) )
		return Property( aName, 0, ::getCppuType( (sal_Bool const *)0 ), PropertyAttribute::READONLY );
        
    if( aName.equalsAscii( pDefaultDisplayName ) )
		return Property( aName, 0, ::getCppuType( (sal_Int32 const *)0 ), PropertyAttribute::READONLY );
	throw UnknownPropertyException();
}

::sal_Bool SAL_CALL DisplayAccess::hasPropertyByName( const OUString& Name ) throw (RuntimeException)
{
	return Name.equalsAscii( pMultiDisplayName ) ||
           Name.equalsAscii( pDefaultDisplayName );
}

// XIndexAccess
::sal_Int32 SAL_CALL DisplayAccess::getCount() throw (RuntimeException)
{
	return Application::GetScreenCount();
}

Any SAL_CALL DisplayAccess::getByIndex( ::sal_Int32 Index ) throw (IndexOutOfBoundsException, WrappedTargetException, RuntimeException)
{
	if( (Index < 0) || (Index >= getCount()) )
		throw IndexOutOfBoundsException();

	return makeAny( Reference< XPropertySet >( new DisplayInfo( Index ) ) );
}

// XElementAccess
Type SAL_CALL DisplayAccess::getElementType(  ) throw (RuntimeException)
{
	return XPropertySet::static_type();
}

::sal_Bool SAL_CALL DisplayAccess::hasElements() throw (RuntimeException)
{
	return true;
}

// XServiceInfo
OUString SAL_CALL DisplayAccess::getImplementationName(  ) throw (RuntimeException)
{
	return DisplayAccess_getImplementationName();
}

::sal_Bool SAL_CALL DisplayAccess::supportsService( const OUString& ServiceName ) throw (RuntimeException)
{
	Sequence< OUString > aSN( DisplayAccess_getSupportedServiceNames() );
	for( sal_Int32 nService = 0; nService < aSN.getLength(); nService++ )
	{
		if( aSN[nService] == ServiceName )
			return sal_True;
	}
	return sal_False;
}

Sequence< OUString > SAL_CALL DisplayAccess::getSupportedServiceNames(  ) throw (RuntimeException)
{
	return DisplayAccess_getSupportedServiceNames();
}

} // namespace vcl