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 "core/editing/RemoveNodeCommand.h"
28
29 #include "bindings/core/v8/ExceptionStatePlaceholder.h"
30 #include "core/dom/Node.h"
31 #include "wtf/Assertions.h"
32
33 namespace blink {
34
RemoveNodeCommand(PassRefPtrWillBeRawPtr<Node> node,ShouldAssumeContentIsAlwaysEditable shouldAssumeContentIsAlwaysEditable)35 RemoveNodeCommand::RemoveNodeCommand(PassRefPtrWillBeRawPtr<Node> node, ShouldAssumeContentIsAlwaysEditable shouldAssumeContentIsAlwaysEditable)
36 : SimpleEditCommand(node->document())
37 , m_node(node)
38 , m_shouldAssumeContentIsAlwaysEditable(shouldAssumeContentIsAlwaysEditable)
39 {
40 ASSERT(m_node);
41 ASSERT(m_node->parentNode());
42 }
43
doApply()44 void RemoveNodeCommand::doApply()
45 {
46 ContainerNode* parent = m_node->parentNode();
47 if (!parent || (m_shouldAssumeContentIsAlwaysEditable == DoNotAssumeContentIsAlwaysEditable
48 && !parent->isContentEditable(Node::UserSelectAllIsAlwaysNonEditable) && parent->inActiveDocument()))
49 return;
50 ASSERT(parent->isContentEditable(Node::UserSelectAllIsAlwaysNonEditable) || !parent->inActiveDocument());
51
52 m_parent = parent;
53 m_refChild = m_node->nextSibling();
54
55 m_node->remove(IGNORE_EXCEPTION);
56 }
57
doUnapply()58 void RemoveNodeCommand::doUnapply()
59 {
60 RefPtrWillBeRawPtr<ContainerNode> parent = m_parent.release();
61 RefPtrWillBeRawPtr<Node> refChild = m_refChild.release();
62 if (!parent || !parent->hasEditableStyle())
63 return;
64
65 parent->insertBefore(m_node.get(), refChild.get(), IGNORE_EXCEPTION);
66 }
67
trace(Visitor * visitor)68 void RemoveNodeCommand::trace(Visitor* visitor)
69 {
70 visitor->trace(m_node);
71 visitor->trace(m_parent);
72 visitor->trace(m_refChild);
73 SimpleEditCommand::trace(visitor);
74 }
75
76 }
77