1 : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 : /* vim: set ts=2 et sw=2 tw=80: */
3 : /* ***** BEGIN LICENSE BLOCK *****
4 : * Version: MPL 1.1/GPL 2.0/LGPL 2.1
5 : *
6 : * The contents of this file are subject to the Mozilla Public License Version
7 : * 1.1 (the "License"); you may not use this file except in compliance with
8 : * the License. You may obtain a copy of the License at
9 : * http://www.mozilla.org/MPL/
10 : *
11 : * Software distributed under the License is distributed on an "AS IS" basis,
12 : * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
13 : * for the specific language governing rights and limitations under the
14 : * License.
15 : *
16 : * The Original Code is mozilla.org code.
17 : *
18 : * The Initial Developer of the Original Code is
19 : * Sun Microsystems, Inc.
20 : * Portions created by the Initial Developer are Copyright (C) 2002
21 : * the Initial Developer. All Rights Reserved.
22 : *
23 : * Contributor(s):
24 : * Bolian Yin (bolian.yin@sun.com)
25 : *
26 : * Alternatively, the contents of this file may be used under the terms of
27 : * either the GNU General Public License Version 2 or later (the "GPL"), or
28 : * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
29 : * in which case the provisions of the GPL or the LGPL are applicable instead
30 : * of those above. If you wish to allow use of your version of this file only
31 : * under the terms of either the GPL or the LGPL, and not to allow others to
32 : * use your version of this file under the terms of the MPL, indicate your
33 : * decision by deleting the provisions above and replace them with the notice
34 : * and other provisions required by the GPL or the LGPL. If you do not delete
35 : * the provisions above, a recipient may use your version of this file under
36 : * the terms of any one of the MPL, the GPL or the LGPL.
37 : *
38 : * ***** END LICENSE BLOCK ***** */
39 :
40 : #include "nsMaiInterfaceHypertext.h"
41 : #include "nsHyperTextAccessible.h"
42 :
43 : void
44 0 : hypertextInterfaceInitCB(AtkHypertextIface *aIface)
45 : {
46 0 : g_return_if_fail(aIface != NULL);
47 :
48 0 : aIface->get_link = getLinkCB;
49 0 : aIface->get_n_links = getLinkCountCB;
50 0 : aIface->get_link_index = getLinkIndexCB;
51 : }
52 :
53 : AtkHyperlink *
54 0 : getLinkCB(AtkHypertext *aText, gint aLinkIndex)
55 : {
56 0 : nsAccessibleWrap *accWrap = GetAccessibleWrap(ATK_OBJECT(aText));
57 0 : if (!accWrap)
58 0 : return nsnull;
59 :
60 0 : nsHyperTextAccessible* hyperText = accWrap->AsHyperText();
61 0 : NS_ENSURE_TRUE(hyperText, nsnull);
62 :
63 0 : nsAccessible* hyperLink = hyperText->GetLinkAt(aLinkIndex);
64 0 : if (!hyperLink)
65 0 : return nsnull;
66 :
67 0 : AtkObject* hyperLinkAtkObj = nsAccessibleWrap::GetAtkObject(hyperLink);
68 0 : nsAccessibleWrap *accChild = GetAccessibleWrap(hyperLinkAtkObj);
69 0 : NS_ENSURE_TRUE(accChild, nsnull);
70 :
71 0 : MaiHyperlink *maiHyperlink = accChild->GetMaiHyperlink();
72 0 : NS_ENSURE_TRUE(maiHyperlink, nsnull);
73 0 : return maiHyperlink->GetAtkHyperlink();
74 : }
75 :
76 : gint
77 0 : getLinkCountCB(AtkHypertext *aText)
78 : {
79 0 : nsAccessibleWrap *accWrap = GetAccessibleWrap(ATK_OBJECT(aText));
80 0 : if (!accWrap)
81 0 : return -1;
82 :
83 0 : nsHyperTextAccessible* hyperText = accWrap->AsHyperText();
84 0 : NS_ENSURE_TRUE(hyperText, -1);
85 :
86 0 : return hyperText->GetLinkCount();
87 : }
88 :
89 : gint
90 0 : getLinkIndexCB(AtkHypertext *aText, gint aCharIndex)
91 : {
92 0 : nsAccessibleWrap *accWrap = GetAccessibleWrap(ATK_OBJECT(aText));
93 0 : if (!accWrap)
94 0 : return -1;
95 :
96 0 : nsHyperTextAccessible* hyperText = accWrap->AsHyperText();
97 0 : NS_ENSURE_TRUE(hyperText, -1);
98 :
99 0 : PRInt32 index = -1;
100 0 : nsresult rv = hyperText->GetLinkIndexAtOffset(aCharIndex, &index);
101 0 : NS_ENSURE_SUCCESS(rv, -1);
102 :
103 0 : return index;
104 : }
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