The Tor Browser: content/base/public/nsINodeList.h@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

     2 /* This Source Code Form is subject to the terms of the Mozilla Public

     3  * License, v. 2.0. If a copy of the MPL was not distributed with this

     4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     6 #ifndef nsINodeList_h___

     7 #define nsINodeList_h___

     9 #include "nsIDOMNodeList.h"

    10 #include "nsWrapperCache.h"

    11 #include "nsIContent.h"

    13 // IID for the nsINodeList interface

    14 #define NS_INODELIST_IID \

    15 { 0xadb5e54c, 0x6e96, 0x4102, \

    16  { 0x8d, 0x40, 0xe0, 0x12, 0x3d, 0xcf, 0x48, 0x7a } }

    18 /**

    19  * An internal interface for a reasonably fast indexOf.

    20  */

    21 class nsINodeList : public nsIDOMNodeList,

    22                     public nsWrapperCache

    23 {

    24 public:

    25   NS_DECLARE_STATIC_IID_ACCESSOR(NS_INODELIST_IID)

    27   /**

    28    * Get the index of the given node in the list.  Will return -1 if the node

    29    * is not in the list.

    30    */

    31   virtual int32_t IndexOf(nsIContent* aContent) = 0;

    33   /**

    34    * Get the root node for this nodelist.

    35    */

    36   virtual nsINode* GetParentObject() = 0;

    38   using nsIDOMNodeList::Item;

    40   uint32_t Length()

    41   {

    42     uint32_t length;

    43     GetLength(&length);

    44     return length;

    45   }

    46   virtual nsIContent* Item(uint32_t aIndex) = 0;

    47   nsIContent* IndexedGetter(uint32_t aIndex, bool& aFound)

    48   {

    49     nsIContent* item = Item(aIndex);

    50     aFound = !!item;

    51     return item;

    52   }

    53 };

    55 #define NS_NODELIST_OFFSET_AND_INTERFACE_TABLE_BEGIN(_class)                  \

    56   NS_OFFSET_AND_INTERFACE_TABLE_BEGIN_AMBIGUOUS(_class, nsINodeList)

    58 NS_DEFINE_STATIC_IID_ACCESSOR(nsINodeList, NS_INODELIST_IID)

    60 #endif /* nsINodeList_h___ */

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