1/*
2 * Copyright (C) 2004, 2006, 2007, 2010 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#import "config.h"
27#import "PlatformKeyboardEvent.h"
28
29#if PLATFORM(MAC)
30
31#import "KeyEventCocoa.h"
32#import "Logging.h"
33#import "WindowsKeyboardCodes.h"
34#import <Carbon/Carbon.h>
35
36using namespace WTF;
37
38namespace WebCore {
39
40void PlatformKeyboardEvent::disambiguateKeyDownEvent(Type type, bool backwardCompatibilityMode)
41{
42    // Can only change type from KeyDown to RawKeyDown or Char, as we lack information for other conversions.
43    ASSERT(m_type == KeyDown);
44    ASSERT(type == RawKeyDown || type == Char);
45    m_type = type;
46    if (backwardCompatibilityMode)
47        return;
48
49    if (type == RawKeyDown) {
50        m_text = String();
51        m_unmodifiedText = String();
52    } else {
53        m_keyIdentifier = String();
54        m_windowsVirtualKeyCode = 0;
55        if (m_text.length() == 1 && (m_text[0U] >= 0xF700 && m_text[0U] <= 0xF7FF)) {
56            // According to NSEvents.h, OpenStep reserves the range 0xF700-0xF8FF for function keys. However, some actual private use characters
57            // happen to be in this range, e.g. the Apple logo (Option+Shift+K).
58            // 0xF7FF is an arbitrary cut-off.
59            m_text = String();
60            m_unmodifiedText = String();
61        }
62    }
63}
64
65bool PlatformKeyboardEvent::currentCapsLockState()
66{
67    return GetCurrentKeyModifiers() & alphaLock;
68}
69
70void PlatformKeyboardEvent::getCurrentModifierState(bool& shiftKey, bool& ctrlKey, bool& altKey, bool& metaKey)
71{
72    UInt32 currentModifiers = GetCurrentKeyModifiers();
73    shiftKey = currentModifiers & ::shiftKey;
74    ctrlKey = currentModifiers & ::controlKey;
75    altKey = currentModifiers & ::optionKey;
76    metaKey = currentModifiers & ::cmdKey;
77}
78
79} // namespace WebCore
80
81#endif // PLATFORM(MAC)
82