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/*
* Copyright (C) 2001 Peter Kelly (pmk@post.com)
* Copyright (C) 2001 Tobias Anton (anton@stud.fbi.fh-darmstadt.de)
* Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com)
* Copyright (C) 2003, 2004, 2005, 2006, 2008 Apple Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#ifndef UIEventWithKeyState_h
#define UIEventWithKeyState_h
#include "core/CoreExport.h"
#include "core/events/EventModifierInit.h"
#include "core/events/UIEvent.h"
#include "platform/PlatformEvent.h"
namespace blink {
class CORE_EXPORT UIEventWithKeyState : public UIEvent {
public:
bool ctrlKey() const { return m_modifiers & PlatformEvent::CtrlKey; }
bool shiftKey() const { return m_modifiers & PlatformEvent::ShiftKey; }
bool altKey() const { return m_modifiers & PlatformEvent::AltKey; }
bool metaKey() const { return m_modifiers & PlatformEvent::MetaKey; }
// We ignore the new tab modifiers (ctrl or meta, depending on OS) set by
// JavaScript when processing events. However, scripts running in isolated
// worlds (aka content scripts) are not subject to this restriction. Since it
// is possible that an event created by a content script is caught and
// recreated by the web page's script, we resort to a global flag.
static bool newTabModifierSetFromIsolatedWorld() {
return s_newTabModifierSetFromIsolatedWorld;
}
static void clearNewTabModifierSetFromIsolatedWorld() {
s_newTabModifierSetFromIsolatedWorld = false;
}
static void didCreateEventInIsolatedWorld(bool ctrlKey,
bool shiftKey,
bool altKey,
bool metaKey);
static void setFromPlatformModifiers(EventModifierInit&,
const PlatformEvent::Modifiers);
bool getModifierState(const String& keyIdentifier) const;
PlatformEvent::Modifiers modifiers() const {
return static_cast<PlatformEvent::Modifiers>(m_modifiers);
}
protected:
UIEventWithKeyState() : m_modifiers(0) {}
UIEventWithKeyState(const AtomicString& type,
bool canBubble,
bool cancelable,
AbstractView*,
int detail,
PlatformEvent::Modifiers,
TimeTicks platformTimeStamp,
InputDeviceCapabilities* sourceCapabilities = nullptr);
UIEventWithKeyState(const AtomicString& type,
const EventModifierInit& initializer);
void initModifiers(bool ctrlKey, bool altKey, bool shiftKey, bool metaKey);
unsigned m_modifiers;
private:
static bool s_newTabModifierSetFromIsolatedWorld;
};
UIEventWithKeyState* findEventWithKeyState(Event*);
} // namespace blink
#endif // UIEventWithKeyState_h
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