1/*
2 * Copyright (C) 2001 Peter Kelly (pmk@post.com)
3 * Copyright (C) 2001 Tobias Anton (anton@stud.fbi.fh-darmstadt.de)
4 * Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com)
5 * Copyright (C) 2003, 2004, 2005, 2006, 2008, 2013 Apple Inc. All rights reserved.
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Library General Public
9 * License as published by the Free Software Foundation; either
10 * version 2 of the License, or (at your option) any later version.
11 *
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Library General Public License for more details.
16 *
17 * You should have received a copy of the GNU Library General Public License
18 * along with this library; see the file COPYING.LIB. If not, write to
19 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
20 * Boston, MA 02110-1301, USA.
21 *
22 */
23
24#pragma once
25
26#include "EventModifierInit.h"
27#include "PlatformEvent.h"
28#include "UIEvent.h"
29
30namespace WebCore {
31
32class UIEventWithKeyState : public UIEvent {
33public:
34 using Modifier = PlatformEvent::Modifier;
35
36 bool ctrlKey() const { return m_modifiers.contains(Modifier::ControlKey); }
37 bool shiftKey() const { return m_modifiers.contains(Modifier::ShiftKey); }
38 bool altKey() const { return m_modifiers.contains(Modifier::AltKey); }
39 bool metaKey() const { return m_modifiers.contains(Modifier::MetaKey); }
40 bool altGraphKey() const { return m_modifiers.contains(Modifier::AltGraphKey); }
41 bool capsLockKey() const { return m_modifiers.contains(Modifier::CapsLockKey); }
42
43 OptionSet<Modifier> modifierKeys() const { return m_modifiers; }
44
45 WEBCORE_EXPORT bool getModifierState(const String& keyIdentifier) const;
46
47protected:
48 UIEventWithKeyState() = default;
49
50 UIEventWithKeyState(const AtomicString& type, CanBubble canBubble, IsCancelable cancelable, IsComposed isComposed,
51 RefPtr<WindowProxy>&& view, int detail, OptionSet<Modifier> modifiers)
52 : UIEvent(type, canBubble, cancelable, isComposed, WTFMove(view), detail)
53 , m_modifiers(modifiers)
54 {
55 }
56
57 UIEventWithKeyState(const AtomicString& type, CanBubble canBubble, IsCancelable cancelable, IsComposed isComposed,
58 MonotonicTime timestamp, RefPtr<WindowProxy>&& view, int detail, OptionSet<Modifier> modifiers, IsTrusted isTrusted)
59 : UIEvent(type, canBubble, cancelable, isComposed, timestamp, WTFMove(view), detail, isTrusted)
60 , m_modifiers(modifiers)
61 {
62 }
63
64 UIEventWithKeyState(const AtomicString& type, const EventModifierInit& initializer)
65 : UIEvent(type, initializer)
66 , m_modifiers(modifiersFromInitializer(initializer))
67 {
68 }
69
70 void setModifierKeys(bool ctrlKey, bool altKey, bool shiftKey, bool metaKey, bool altGraphKey = false);
71
72private:
73 OptionSet<Modifier> m_modifiers;
74
75 static OptionSet<Modifier> modifiersFromInitializer(const EventModifierInit& initializer);
76};
77
78UIEventWithKeyState* findEventWithKeyState(Event*);
79
80} // namespace WebCore
81