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 "RemoveFormatCommand.h"
29 
30 #include "ApplyStyleCommand.h"
31 #include "EditingStyle.h"
32 #include "Element.h"
33 #include "Frame.h"
34 #include "HTMLNames.h"
35 #include "SelectionController.h"
36 
37 namespace WebCore {
38 
39 using namespace HTMLNames;
40 
RemoveFormatCommand(Document * document)41 RemoveFormatCommand::RemoveFormatCommand(Document* document)
42     : CompositeEditCommand(document)
43 {
44 }
45 
isElementForRemoveFormatCommand(const Element * element)46 static bool isElementForRemoveFormatCommand(const Element* element)
47 {
48     DEFINE_STATIC_LOCAL(HashSet<QualifiedName>, elements, ());
49     if (elements.isEmpty()) {
50         elements.add(acronymTag);
51         elements.add(bTag);
52         elements.add(bdoTag);
53         elements.add(bigTag);
54         elements.add(citeTag);
55         elements.add(codeTag);
56         elements.add(dfnTag);
57         elements.add(emTag);
58         elements.add(fontTag);
59         elements.add(iTag);
60         elements.add(insTag);
61         elements.add(kbdTag);
62         elements.add(nobrTag);
63         elements.add(qTag);
64         elements.add(sTag);
65         elements.add(sampTag);
66         elements.add(smallTag);
67         elements.add(strikeTag);
68         elements.add(strongTag);
69         elements.add(subTag);
70         elements.add(supTag);
71         elements.add(ttTag);
72         elements.add(uTag);
73         elements.add(varTag);
74     }
75     return elements.contains(element->tagQName());
76 }
77 
doApply()78 void RemoveFormatCommand::doApply()
79 {
80     Frame* frame = document()->frame();
81 
82     if (!frame->selection()->selection().isNonOrphanedCaretOrRange())
83         return;
84 
85     // Get the default style for this editable root, it's the style that we'll give the
86     // content that we're operating on.
87     Node* root = frame->selection()->rootEditableElement();
88     RefPtr<EditingStyle> defaultStyle = EditingStyle::create(root);
89 
90     applyCommandToComposite(ApplyStyleCommand::create(document(), defaultStyle.get(), isElementForRemoveFormatCommand, editingAction()));
91 }
92 
93 }
94