1 /*
2 * Copyright (C) 2007 Apple Computer, 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 "core/editing/RemoveFormatCommand.h"
29
30 #include "core/CSSValueKeywords.h"
31 #include "core/HTMLNames.h"
32 #include "core/css/StylePropertySet.h"
33 #include "core/dom/Document.h"
34 #include "core/dom/Element.h"
35 #include "core/editing/ApplyStyleCommand.h"
36 #include "core/editing/EditingStyle.h"
37 #include "core/editing/FrameSelection.h"
38 #include "core/frame/LocalFrame.h"
39
40 namespace blink {
41
42 using namespace HTMLNames;
43
RemoveFormatCommand(Document & document)44 RemoveFormatCommand::RemoveFormatCommand(Document& document)
45 : CompositeEditCommand(document)
46 {
47 }
48
isElementForRemoveFormatCommand(const Element * element)49 static bool isElementForRemoveFormatCommand(const Element* element)
50 {
51 DEFINE_STATIC_LOCAL(HashSet<QualifiedName>, elements, ());
52 if (elements.isEmpty()) {
53 elements.add(acronymTag);
54 elements.add(bTag);
55 elements.add(bdoTag);
56 elements.add(bigTag);
57 elements.add(citeTag);
58 elements.add(codeTag);
59 elements.add(dfnTag);
60 elements.add(emTag);
61 elements.add(fontTag);
62 elements.add(iTag);
63 elements.add(insTag);
64 elements.add(kbdTag);
65 elements.add(nobrTag);
66 elements.add(qTag);
67 elements.add(sTag);
68 elements.add(sampTag);
69 elements.add(smallTag);
70 elements.add(strikeTag);
71 elements.add(strongTag);
72 elements.add(subTag);
73 elements.add(supTag);
74 elements.add(ttTag);
75 elements.add(uTag);
76 elements.add(varTag);
77 }
78 return elements.contains(element->tagQName());
79 }
80
doApply()81 void RemoveFormatCommand::doApply()
82 {
83 LocalFrame* frame = document().frame();
84
85 if (!frame->selection().selection().isNonOrphanedCaretOrRange())
86 return;
87
88 // Get the default style for this editable root, it's the style that we'll give the
89 // content that we're operating on.
90 Element* root = frame->selection().rootEditableElement();
91 RefPtrWillBeRawPtr<EditingStyle> defaultStyle = EditingStyle::create(root);
92
93 // We want to remove everything but transparent background.
94 // FIXME: We shouldn't access style().
95 defaultStyle->style()->setProperty(CSSPropertyBackgroundColor, CSSValueTransparent);
96
97 applyCommandToComposite(ApplyStyleCommand::create(document(), defaultStyle.get(), isElementForRemoveFormatCommand, editingAction()));
98 }
99
100 }
101