/* -*- 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 .
*/
#pragma once
#include <rtl/ustring.hxx>
#include <memory>
#include <vector>
#include <utility>
namespace basegfx {
class B2DRange;
}
/* Definition of HyperlinkArea interface */
namespace slideshow::internal
{
/** HyperlinkArea interface
Implementers of this interface provide information for
hyperlink sensitive areas .
*/
class HyperlinkArea
{
public :
typedef std::pair< ::basegfx::B2DRange,
OUString > HyperlinkRegion;
typedef std::vector<HyperlinkRegion> HyperlinkRegions;
/** Request hyperlink-sensitive areas.
@ return a vector of hyperlink - sensitive areas , plus
the URI associated to them .
*/
virtual HyperlinkRegions getHyperlinkRegions() const = 0 ;
/** Retrieve priority of link area
@ return the priority of the link area . Link areas with
higher priority will receive hyperlink clicks in favor
of areas with less priority , if they cover the same
place on screen .
*/
virtual double getHyperlinkPriority() const = 0 ;
/** Functor struct, for area ordering
This defines a strict weak ordering of areas , sort key
is the object ptr value . Most typical use is for
associative containers holding areas .
*/
struct lessThanArea
{
// make functor adaptable (to boost::bind)
typedef bool result_type;
bool operator ()(const std::shared_ptr< HyperlinkArea >& rLHS,
const std::shared_ptr< HyperlinkArea >& rRHS) const
{
const double nPrioL( rLHS->getHyperlinkPriority() );
const double nPrioR( rRHS->getHyperlinkPriority() );
// if prios are equal, tie-break on ptr value
return nPrioL == nPrioR ? rLHS.get() < rRHS.get() : nPrioL < nPrioR;
}
};
protected :
~HyperlinkArea() {}
};
typedef std::shared_ptr< HyperlinkArea > HyperlinkAreaSharedPtr;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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