1/*
2 * Copyright (C) 2007 Apple Inc. All rights reserved.
3 * Copyright (C) 2010 Google Inc. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
15 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
16 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
17 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
18 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
19 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
20 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#include "config.h"
28#include "RemoveFormatCommand.h"
29
30#include "ApplyStyleCommand.h"
31#include "Element.h"
32#include "Frame.h"
33#include "FrameSelection.h"
34#include "HTMLNames.h"
35#include "StyleProperties.h"
36#include <wtf/NeverDestroyed.h>
37
38namespace WebCore {
39
40using namespace HTMLNames;
41
42RemoveFormatCommand::RemoveFormatCommand(Document& document)
43 : CompositeEditCommand(document)
44{
45}
46
47static bool isElementForRemoveFormatCommand(const Element* element)
48{
49 static const auto elements = makeNeverDestroyed(HashSet<QualifiedName> {
50 acronymTag,
51 bTag,
52 bdoTag,
53 bigTag,
54 citeTag,
55 codeTag,
56 dfnTag,
57 emTag,
58 fontTag,
59 iTag,
60 insTag,
61 kbdTag,
62 nobrTag,
63 qTag,
64 sTag,
65 sampTag,
66 smallTag,
67 strikeTag,
68 strongTag,
69 subTag,
70 supTag,
71 ttTag,
72 uTag,
73 varTag,
74 });
75 return elements.get().contains(element->tagQName());
76}
77
78void RemoveFormatCommand::doApply()
79{
80 if (endingSelection().isNoneOrOrphaned())
81 return;
82
83 // Get the default style for this editable root, it's the style that we'll give the
84 // content that we're operating on.
85 Node* root = endingSelection().rootEditableElement();
86 auto defaultStyle = EditingStyle::create(root);
87
88 // We want to remove everything but transparent background.
89 // FIXME: We shouldn't access style().
90 defaultStyle->style()->setProperty(CSSPropertyBackgroundColor, CSSValueTransparent);
91
92 applyCommandToComposite(ApplyStyleCommand::create(document(), defaultStyle.ptr(), isElementForRemoveFormatCommand, editingAction()));
93}
94
95}
96