1 /*
2  * Copyright (C) 2010 Google Inc. All rights reserved.
3  * Copyright (C) 2011 Apple 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 are
7  * met:
8  *
9  *     * Redistributions of source code must retain the above copyright
10  * notice, this list of conditions and the following disclaimer.
11  *     * Redistributions in binary form must reproduce the above
12  * copyright notice, this list of conditions and the following disclaimer
13  * in the documentation and/or other materials provided with the
14  * distribution.
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16  * contributors may be used to endorse or promote products derived from
17  * this software without specific prior written permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
21  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
22  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
23  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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25  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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29  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 #include "config.h"
33 #include "BaseCheckableInputType.h"
34 
35 #include "FormDataList.h"
36 #include "HTMLInputElement.h"
37 #include "HTMLNames.h"
38 #include "KeyboardEvent.h"
39 #include "RegularExpression.h"
40 
41 namespace WebCore {
42 
saveFormControlState(String & result) const43 bool BaseCheckableInputType::saveFormControlState(String& result) const
44 {
45     result = element()->checked() ? "on" : "off";
46     return true;
47 }
48 
restoreFormControlState(const String & state) const49 void BaseCheckableInputType::restoreFormControlState(const String& state) const
50 {
51     element()->setChecked(state == "on");
52 }
53 
appendFormData(FormDataList & encoding,bool) const54 bool BaseCheckableInputType::appendFormData(FormDataList& encoding, bool) const
55 {
56     if (!element()->checked())
57         return false;
58     encoding.appendData(element()->name(), element()->value());
59     return true;
60 }
61 
handleKeydownEvent(KeyboardEvent * event)62 void BaseCheckableInputType::handleKeydownEvent(KeyboardEvent* event)
63 {
64     const String& key = event->keyIdentifier();
65     if (key == "U+0020") {
66         element()->setActive(true, true);
67         // No setDefaultHandled(), because IE dispatches a keypress in this case
68         // and the caller will only dispatch a keypress if we don't call setDefaultHandled().
69     }
70 }
71 
handleKeypressEvent(KeyboardEvent * event)72 void BaseCheckableInputType::handleKeypressEvent(KeyboardEvent* event)
73 {
74     if (event->charCode() == ' ') {
75         // Prevent scrolling down the page.
76         event->setDefaultHandled();
77     }
78 }
79 
canSetStringValue() const80 bool BaseCheckableInputType::canSetStringValue() const
81 {
82     return false;
83 }
84 
85 // FIXME: Could share this with BaseButtonInputType and RangeInputType if we had a common base class.
accessKeyAction(bool sendToAnyElement)86 void BaseCheckableInputType::accessKeyAction(bool sendToAnyElement)
87 {
88     InputType::accessKeyAction(sendToAnyElement);
89 
90     // Send mouse button events if the caller specified sendToAnyElement.
91     // FIXME: The comment above is no good. It says what we do, but not why.
92     element()->dispatchSimulatedClick(0, sendToAnyElement);
93 }
94 
fallbackValue()95 String BaseCheckableInputType::fallbackValue()
96 {
97     return element()->checked() ? "on" : "";
98 }
99 
storesValueSeparateFromAttribute()100 bool BaseCheckableInputType::storesValueSeparateFromAttribute()
101 {
102     return false;
103 }
104 
isCheckable()105 bool BaseCheckableInputType::isCheckable()
106 {
107     return true;
108 }
109 
110 } // namespace WebCore
111