1 /*
2 * Copyright (C) 2005, 2006, 2008 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26 #include "config.h"
27 #include "AppendNodeCommand.h"
28
29 #include "AXObjectCache.h"
30 #include "htmlediting.h"
31
32 namespace WebCore {
33
AppendNodeCommand(PassRefPtr<ContainerNode> parent,PassRefPtr<Node> node)34 AppendNodeCommand::AppendNodeCommand(PassRefPtr<ContainerNode> parent, PassRefPtr<Node> node)
35 : SimpleEditCommand(parent->document())
36 , m_parent(parent)
37 , m_node(node)
38 {
39 ASSERT(m_parent);
40 ASSERT(m_node);
41 ASSERT(!m_node->parentNode());
42
43 ASSERT(m_parent->rendererIsEditable() || !m_parent->attached());
44 }
45
sendAXTextChangedIgnoringLineBreaks(Node * node,AXObjectCache::AXTextChange textChange)46 static void sendAXTextChangedIgnoringLineBreaks(Node* node, AXObjectCache::AXTextChange textChange)
47 {
48 String nodeValue = node->nodeValue();
49 unsigned len = nodeValue.length();
50 // Don't consider linebreaks in this command
51 if (nodeValue == "\n")
52 return;
53
54 node->document()->axObjectCache()->nodeTextChangeNotification(node->renderer(), textChange, 0, len);
55 }
56
doApply()57 void AppendNodeCommand::doApply()
58 {
59 if (!m_parent->rendererIsEditable() && m_parent->attached())
60 return;
61
62 ExceptionCode ec;
63 m_parent->appendChild(m_node.get(), ec);
64
65 if (AXObjectCache::accessibilityEnabled())
66 sendAXTextChangedIgnoringLineBreaks(m_node.get(), AXObjectCache::AXTextInserted);
67 }
68
doUnapply()69 void AppendNodeCommand::doUnapply()
70 {
71 if (!m_parent->rendererIsEditable())
72 return;
73
74 // Need to notify this before actually deleting the text
75 if (AXObjectCache::accessibilityEnabled())
76 sendAXTextChangedIgnoringLineBreaks(m_node.get(), AXObjectCache::AXTextDeleted);
77
78 ExceptionCode ec;
79 m_node->remove(ec);
80 }
81
82 } // namespace WebCore
83