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/*
* Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef WEBRTC_SYSTEM_WRAPPERS_SOURCE_LIST_STL_H_
#define WEBRTC_SYSTEM_WRAPPERS_SOURCE_LIST_STL_H_
#include <list>
#include "constructor_magic.h"
namespace webrtc {
class ListItem
{
friend class ListWrapper;
public:
ListItem(const void* ptr);
ListItem(const unsigned int item);
virtual ~ListItem();
void* GetItem() const;
unsigned int GetUnsignedItem() const;
private:
mutable std::list<ListItem*>::iterator this_iter_;
const void* item_ptr_;
const unsigned int item_;
DISALLOW_COPY_AND_ASSIGN(ListItem);
};
class ListWrapper
{
public:
ListWrapper();
~ListWrapper();
// ListWrapper functions
unsigned int GetSize() const;
int PushBack(const void* ptr);
int PushBack(const unsigned int item_id);
int PushFront(const void* ptr);
int PushFront(const unsigned int item_id);
int PopFront();
int PopBack();
bool Empty() const;
ListItem* First() const;
ListItem* Last() const;
ListItem* Next(ListItem* item) const;
ListItem* Previous(ListItem* item) const;
int Erase(ListItem* item);
int Insert(ListItem* existing_previous_item, ListItem* new_item);
int InsertBefore(ListItem* existing_next_item, ListItem* new_item);
private:
mutable std::list<ListItem*> list_;
DISALLOW_COPY_AND_ASSIGN(ListWrapper);
};
} // namespace webrtc
#endif // WEBRTC_SYSTEM_WRAPPERS_SOURCE_LIST_STL_H_
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