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.
15  *     * Neither the name of Google Inc. nor the names of its
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,
24  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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
28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
29  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 #include "config.h"
33 #include "BaseButtonInputType.h"
34 
35 #include "HTMLInputElement.h"
36 #include "KeyboardEvent.h"
37 #include "RenderButton.h"
38 
39 namespace WebCore {
40 
appendFormData(FormDataList &,bool) const41 bool BaseButtonInputType::appendFormData(FormDataList&, bool) const
42 {
43     // Buttons except overridden types are never successful.
44     return false;
45 }
46 
handleKeydownEvent(KeyboardEvent * event)47 void BaseButtonInputType::handleKeydownEvent(KeyboardEvent* event)
48 {
49     const String& key = event->keyIdentifier();
50     if (key == "U+0020") {
51         element()->setActive(true, true);
52         // No setDefaultHandled(), because IE dispatches a keypress in this case
53         // and the caller will only dispatch a keypress if we don't call setDefaultHandled().
54     }
55 }
56 
handleKeypressEvent(KeyboardEvent * event)57 void BaseButtonInputType::handleKeypressEvent(KeyboardEvent* event)
58 {
59     int charCode = event->charCode();
60     if (charCode == '\r') {
61         element()->dispatchSimulatedClick(event);
62         event->setDefaultHandled();
63         return;
64     }
65     if (charCode == ' ') {
66         // Prevent scrolling down the page.
67         event->setDefaultHandled();
68     }
69 }
70 
handleKeyupEvent(KeyboardEvent * event)71 void BaseButtonInputType::handleKeyupEvent(KeyboardEvent* event)
72 {
73     const String& key = event->keyIdentifier();
74     if (key != "U+0020")
75         return;
76     // Simulate mouse click for spacebar for button types.
77     dispatchSimulatedClickIfActive(event);
78 }
79 
createRenderer(RenderArena * arena,RenderStyle *) const80 RenderObject* BaseButtonInputType::createRenderer(RenderArena* arena, RenderStyle*) const
81 {
82     return new (arena) RenderButton(element());
83 }
84 
85 // FIXME: Could share this with BaseCheckableInputType and RangeInputType if we had a common base class.
accessKeyAction(bool sendToAnyElement)86 void BaseButtonInputType::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 
storesValueSeparateFromAttribute()95 bool BaseButtonInputType::storesValueSeparateFromAttribute()
96 {
97     return false;
98 }
99 
100 } // namespace WebCore
101