forked from mirrors/gecko-dev
53 lines
1.5 KiB
C++
53 lines
1.5 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
|
|
/* 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/. */
|
|
|
|
#ifndef nsINodeList_h___
|
|
#define nsINodeList_h___
|
|
|
|
#include "nsWrapperCache.h"
|
|
#include "nsISupports.h"
|
|
|
|
// IID for the nsINodeList interface
|
|
#define NS_INODELIST_IID \
|
|
{ \
|
|
0xadb5e54c, 0x6e96, 0x4102, { \
|
|
0x8d, 0x40, 0xe0, 0x12, 0x3d, 0xcf, 0x48, 0x7a \
|
|
} \
|
|
}
|
|
|
|
class nsIContent;
|
|
class nsINode;
|
|
|
|
/**
|
|
* An internal interface for a reasonably fast indexOf.
|
|
*/
|
|
class nsINodeList : public nsISupports, public nsWrapperCache {
|
|
public:
|
|
NS_DECLARE_STATIC_IID_ACCESSOR(NS_INODELIST_IID)
|
|
|
|
/**
|
|
* Get the index of the given node in the list. Will return -1 if the node
|
|
* is not in the list.
|
|
*/
|
|
virtual int32_t IndexOf(nsIContent* aContent) = 0;
|
|
|
|
/**
|
|
* Get the root node for this nodelist.
|
|
*/
|
|
virtual nsINode* GetParentObject() = 0;
|
|
|
|
virtual uint32_t Length() = 0;
|
|
virtual nsIContent* Item(uint32_t aIndex) = 0;
|
|
nsIContent* IndexedGetter(uint32_t aIndex, bool& aFound) {
|
|
nsIContent* item = Item(aIndex);
|
|
aFound = !!item;
|
|
return item;
|
|
}
|
|
};
|
|
|
|
NS_DEFINE_STATIC_IID_ACCESSOR(nsINodeList, NS_INODELIST_IID)
|
|
|
|
#endif /* nsINodeList_h___ */
|