winix/winixd/plugins/menu/cache.h

107 lines
2.4 KiB
C++

/*
* This file is a part of Winix
* and is distributed under the 2-Clause BSD licence.
* Author: Tomasz Sowa <t.sowa@ttmath.org>
*/
/*
* Copyright (c) 2012-2021, Tomasz Sowa
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
*/
#ifndef headerfile_winix_plugins_menu_cache
#define headerfile_winix_plugins_menu_cache
#include <string>
#include <vector>
#include <list>
#include "core/dirs.h"
#include "models/item.h"
namespace Winix
{
namespace Menu
{
struct MenuItem
{
long id; // item id
std::wstring url;
std::wstring subject;
pt::Space meta;
Item::Type type;
int file_type;
};
struct CacheItem
{
long dir_id;
int param;
std::vector<MenuItem> menu_items;
std::wstring dir; // without the last slash
CacheItem()
{
dir_id = -1;
param = -1;
}
};
class Cache
{
public:
void SetDirs(Dirs * pdirs);
CacheItem * Get(long dir_id, int param);
CacheItem * Insert(long dir_id, int param);
void Remove(long dir_id);
void Clear();
private:
Dirs * dirs;
typedef std::list<CacheItem> Tab;
Tab tab;
CacheItem empty_cache_item;
};
} // namespace
} // namespace Winix
#endif