blob: 236049959cac8d088e4df2fc78df75d8c7734304 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
|
/*
* Copyright (C) 2012 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* Author: Debarshi Ray <debarshir@src.gnome.org>
*/
var chat = document.getElementById("Chat");
function createHTMLNode(html) {
var range = document.createRange();
range.selectNode(chat);
return range.createContextualFragment(html);
}
function getContentsNode(node) {
var post = node.getElementsByClassName("post")[0];
return post.getElementsByClassName("post-contents")[0];
}
// Remove all but the last #insert
function removeInsertNodes(node) {
var inserts = node.querySelectorAll("#insert");
if (inserts.length < 2)
return;
for (var i = 0; i < inserts.length - 1; i++) {
var insert = inserts[i];
insert.parentNode.removeChild(insert);
}
}
// Remove all but the first #prepend
function removePrependNodes(node) {
var pres = node.querySelectorAll("#prepend");
if (pres.length < 2)
return;
for (var i = 1; i < pres.length; i++) {
var pre = pres[i];
pre.parentNode.removeChild(pre);
}
}
function prepend(html) {
var node = createHTMLNode(html);
chat.insertBefore(node, chat.firstChild);
// The lastChild should retain the #insert
if (chat.children.length == 1)
return;
removeInsertNodes(chat);
removePrependNodes(chat);
}
function prependPrev(html) {
var pre = chat.firstChild.querySelector("#prepend");
// For themes that don't support #prepend
if (!pre) {
prepend(html);
return;
}
var contents = pre.parentNode;
var node = createHTMLNode(html);
// Skip both the #prepend and #insert
for (var i = node.childNodes.length - 2; i > 0; i--)
contents.insertBefore(node.childNodes[i], pre.nextSibling);
}
|
