/*
    Scan Tailor - Interactive post-processing tool for scanned pages.
    Copyright (C)  Joseph Artsimovich <joseph.artsimovich@gmail.com>

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#ifndef PAGE_SELECTION_ACCESSOR_H_
#define PAGE_SELECTION_ACCESSOR_H_

#include "PageSelectionProvider.h"
#include "PageId.h"
#include "PageRange.h"
#include "IntrusivePtr.h"
#include <set>
#include <vector>

class PageSequence;

class PageSelectionAccessor
{
	// Member-wise copying is OK.
public:
	explicit PageSelectionAccessor(
		IntrusivePtr<PageSelectionProvider const> const& provider);
	
	PageSequence allPages() const;

	std::set<PageId> selectedPages() const;
	
	std::vector<PageRange> selectedRanges() const;
private:
	IntrusivePtr<PageSelectionProvider const> m_ptrProvider;
};

#endif
