1 : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 : /* ***** BEGIN LICENSE BLOCK *****
3 : * Version: MPL 1.1/GPL 2.0/LGPL 2.1
4 : *
5 : * The contents of this file are subject to the Mozilla Public License Version
6 : * 1.1 (the "License"); you may not use this file except in compliance with
7 : * the License. You may obtain a copy of the License at
8 : * http://www.mozilla.org/MPL/
9 : *
10 : * Software distributed under the License is distributed on an "AS IS" basis,
11 : * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
12 : * for the specific language governing rights and limitations under the
13 : * License.
14 : *
15 : * The Original Code is mozilla.org code.
16 : *
17 : * The Initial Developer of the Original Code is
18 : * Netscape Communications Corporation.
19 : * Portions created by the Initial Developer are Copyright (C) 1998
20 : * the Initial Developer. All Rights Reserved.
21 : *
22 : * Contributor(s):
23 : * L. David Baron <dbaron@dbaron.org>
24 : *
25 : * Alternatively, the contents of this file may be used under the terms of
26 : * either of the GNU General Public License Version 2 or later (the "GPL"),
27 : * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
28 : * in which case the provisions of the GPL or the LGPL are applicable instead
29 : * of those above. If you wish to allow use of your version of this file only
30 : * under the terms of either the GPL or the LGPL, and not to allow others to
31 : * use your version of this file under the terms of the MPL, indicate your
32 : * decision by deleting the provisions above and replace them with the notice
33 : * and other provisions required by the GPL or the LGPL. If you do not delete
34 : * the provisions above, a recipient may use your version of this file under
35 : * the terms of any one of the MPL, the GPL or the LGPL.
36 : *
37 : * ***** END LICENSE BLOCK ***** */
38 : #ifndef nsILink_h___
39 : #define nsILink_h___
40 :
41 : #include "nsISupports.h"
42 : #include "nsILinkHandler.h" // definition of nsLinkState
43 :
44 : class nsIURI;
45 :
46 : // IID for the nsILink interface
47 : #define NS_ILINK_IID \
48 : { 0x6f374a11, 0x212d, 0x47d6, \
49 : { 0x94, 0xd1, 0xe6, 0x7c, 0x23, 0x4d, 0x34, 0x99 } }
50 :
51 : /**
52 : * This interface allows SelectorMatches to get the canonical
53 : * URL pointed to by an element representing a link and allows
54 : * it to store the visited state of a link element in the link.
55 : * It is needed for performance reasons (to prevent copying of
56 : * strings and excessive calls to history).
57 : */
58 0 : class nsILink : public nsISupports {
59 : public:
60 : NS_DECLARE_STATIC_IID_ACCESSOR(NS_ILINK_IID)
61 :
62 : /**
63 : * GetLinkState/SetLinkState/GetHrefURI were moved to nsIContent.
64 : * @see nsIContent
65 : */
66 :
67 : /**
68 : * Dispatch a LinkAdded event to the chrome event handler for this document.
69 : * This is used to notify the chrome listeners when restoring a page
70 : * presentation. Currently, this only applies to HTML <link> elements.
71 : */
72 : NS_IMETHOD LinkAdded() = 0;
73 :
74 : /**
75 : * Dispatch a LinkRemoved event to the chrome event handler for this
76 : * document. This is used to notify the chrome listeners when saving a page
77 : * presentation (since the document is not torn down). Currently, this only
78 : * applies to HTML <link> elements.
79 : */
80 : NS_IMETHOD LinkRemoved() = 0;
81 : };
82 :
83 : NS_DEFINE_STATIC_IID_ACCESSOR(nsILink, NS_ILINK_IID)
84 :
85 : #endif /* nsILink_h___ */
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