1 /*
2 * Copyright (C) 2005, 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 "InsertIntoTextNodeCommand.h"
28
29 #include "AXObjectCache.h"
30 #include "Text.h"
31
32 namespace WebCore {
33
InsertIntoTextNodeCommand(PassRefPtr<Text> node,unsigned offset,const String & text)34 InsertIntoTextNodeCommand::InsertIntoTextNodeCommand(PassRefPtr<Text> node, unsigned offset, const String& text)
35 : SimpleEditCommand(node->document())
36 , m_node(node)
37 , m_offset(offset)
38 , m_text(text)
39 {
40 ASSERT(m_node);
41 ASSERT(m_offset <= m_node->length());
42 ASSERT(!m_text.isEmpty());
43 }
44
doApply()45 void InsertIntoTextNodeCommand::doApply()
46 {
47 if (!m_node->rendererIsEditable())
48 return;
49
50 ExceptionCode ec;
51 m_node->insertData(m_offset, m_text, ec);
52
53 if (AXObjectCache::accessibilityEnabled())
54 document()->axObjectCache()->nodeTextChangeNotification(m_node->renderer(), AXObjectCache::AXTextInserted, m_offset, m_text.length());
55 }
56
doUnapply()57 void InsertIntoTextNodeCommand::doUnapply()
58 {
59 if (!m_node->rendererIsEditable())
60 return;
61
62 // Need to notify this before actually deleting the text
63 if (AXObjectCache::accessibilityEnabled())
64 document()->axObjectCache()->nodeTextChangeNotification(m_node->renderer(), AXObjectCache::AXTextDeleted, m_offset, m_text.length());
65
66 ExceptionCode ec;
67 m_node->deleteData(m_offset, m_text.length(), ec);
68 }
69
70 } // namespace WebCore
71