1/*
2 * Copyright (C) 2010, 2012 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 "core/html/forms/BaseClickableWithKeyInputType.h"
34
35#include "core/events/KeyboardEvent.h"
36#include "core/html/HTMLInputElement.h"
37
38namespace blink {
39
40using namespace HTMLNames;
41
42void BaseClickableWithKeyInputType::handleKeydownEvent(HTMLInputElement& element, KeyboardEvent* event)
43{
44    const String& key = event->keyIdentifier();
45    if (key == "U+0020") {
46        element.setActive(true);
47        // No setDefaultHandled(), because IE dispatches a keypress in this case
48        // and the caller will only dispatch a keypress if we don't call setDefaultHandled().
49    }
50}
51
52void BaseClickableWithKeyInputType::handleKeypressEvent(HTMLInputElement& element, KeyboardEvent* event)
53{
54    int charCode = event->charCode();
55    if (charCode == '\r') {
56        element.dispatchSimulatedClick(event);
57        event->setDefaultHandled();
58        return;
59    }
60    if (charCode == ' ') {
61        // Prevent scrolling down the page.
62        event->setDefaultHandled();
63    }
64}
65
66void BaseClickableWithKeyInputType::handleKeyupEvent(InputType& inputType, KeyboardEvent* event)
67{
68    const String& key = event->keyIdentifier();
69    if (key != "U+0020")
70        return;
71    // Simulate mouse click for spacebar for button types.
72    inputType.dispatchSimulatedClickIfActive(event);
73}
74
75// FIXME: Could share this with BaseCheckableInputType and RangeInputType if we had a common base class.
76void BaseClickableWithKeyInputType::accessKeyAction(HTMLInputElement& element, bool sendMouseEvents)
77{
78    element.dispatchSimulatedClick(0, sendMouseEvents ? SendMouseUpDownEvents : SendNoEvents);
79}
80
81void BaseClickableWithKeyInputType::handleKeydownEvent(KeyboardEvent* event)
82{
83    handleKeydownEvent(element(), event);
84}
85
86void BaseClickableWithKeyInputType::handleKeypressEvent(KeyboardEvent* event)
87{
88    handleKeypressEvent(element(), event);
89}
90
91void BaseClickableWithKeyInputType::handleKeyupEvent(KeyboardEvent* event)
92{
93    handleKeyupEvent(*this, event);
94}
95
96void BaseClickableWithKeyInputType::accessKeyAction(bool sendMouseEvents)
97{
98    InputType::accessKeyAction(sendMouseEvents);
99    accessKeyAction(element(), sendMouseEvents);
100}
101
102} // namespace blink
103