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
39namespace WebCore {
40
41bool BaseButtonInputType::appendFormData(FormDataList&, bool) const
42{
43    // Buttons except overridden types are never successful.
44    return false;
45}
46
47void 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
57void 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
71void 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
80RenderObject* 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.
86void 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
95bool BaseButtonInputType::storesValueSeparateFromAttribute()
96{
97    return false;
98}
99
100} // namespace WebCore
101