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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice 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 <environmentofanchoredobject.hxx>
#include <frame.hxx>
#include <pagefrm.hxx>
#include <osl/diagnose.h>
namespace objectpositioning
{
SwEnvironmentOfAnchoredObject::SwEnvironmentOfAnchoredObject(
const bool _bFollowTextFlow )
: mbFollowTextFlow( _bFollowTextFlow )
{}
/** determine environment layout frame for possible horizontal object positions */
const SwLayoutFrame& SwEnvironmentOfAnchoredObject::GetHoriEnvironmentLayoutFrame(
const SwFrame& _rHoriOrientFrame ) const
{
const SwFrame* pHoriEnvironmentLayFrame = &_rHoriOrientFrame;
if ( !mbFollowTextFlow )
{
// No exception any more for page alignment.
// the page frame determines the horizontal layout environment.
pHoriEnvironmentLayFrame = _rHoriOrientFrame.FindPageFrame();
}
else
{
while ( !pHoriEnvironmentLayFrame->IsCellFrame() &&
!pHoriEnvironmentLayFrame->IsFlyFrame() &&
!pHoriEnvironmentLayFrame->IsPageFrame() )
{
pHoriEnvironmentLayFrame = pHoriEnvironmentLayFrame->GetUpper();
OSL_ENSURE( pHoriEnvironmentLayFrame,
"SwEnvironmentOfAnchoredObject::GetHoriEnvironmentLayoutFrame(..) - no page|fly|cell frame found" );
}
}
assert( dynamic_cast< const SwLayoutFrame *>( pHoriEnvironmentLayFrame ) &&
"SwEnvironmentOfAnchoredObject::GetHoriEnvironmentLayoutFrame(..) - found frame isn't a layout frame" );
return static_cast<const SwLayoutFrame&>(*pHoriEnvironmentLayFrame);
}
/** determine environment layout frame for possible vertical object positions */
const SwLayoutFrame& SwEnvironmentOfAnchoredObject::GetVertEnvironmentLayoutFrame(
const SwFrame& _rVertOrientFrame ) const
{
const SwFrame* pVertEnvironmentLayFrame = &_rVertOrientFrame;
if ( !mbFollowTextFlow )
{
// No exception any more for page alignment.
// the page frame determines the vertical layout environment.
pVertEnvironmentLayFrame = _rVertOrientFrame.FindPageFrame();
}
else
{
while ( !pVertEnvironmentLayFrame->IsCellFrame() &&
!pVertEnvironmentLayFrame->IsFlyFrame() &&
!pVertEnvironmentLayFrame->IsHeaderFrame() &&
!pVertEnvironmentLayFrame->IsFooterFrame() &&
!pVertEnvironmentLayFrame->IsFootnoteFrame() &&
!pVertEnvironmentLayFrame->IsPageBodyFrame() &&
!pVertEnvironmentLayFrame->IsPageFrame() )
{
pVertEnvironmentLayFrame = pVertEnvironmentLayFrame->GetUpper();
OSL_ENSURE( pVertEnvironmentLayFrame,
"SwEnvironmentOfAnchoredObject::GetVertEnvironmentLayoutFrame(..) - proposed frame not found" );
}
}
assert( dynamic_cast< const SwLayoutFrame *>( pVertEnvironmentLayFrame ) &&
"SwEnvironmentOfAnchoredObject::GetVertEnvironmentLayoutFrame(..) - found frame isn't a layout frame" );
return static_cast<const SwLayoutFrame&>(*pVertEnvironmentLayFrame);
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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