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/*
* Copyright (C) 2006 Apple Computer, Inc.
*
* 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.
*
*/
#include "core/events/UIEventWithKeyState.h"
namespace blink {
UIEventWithKeyState::UIEventWithKeyState(
const AtomicString& type,
bool canBubble,
bool cancelable,
AbstractView* view,
int detail,
PlatformEvent::Modifiers modifiers,
TimeTicks platformTimeStamp,
InputDeviceCapabilities* sourceCapabilities)
: UIEvent(type,
canBubble,
cancelable,
ComposedMode::Composed,
platformTimeStamp,
view,
detail,
sourceCapabilities),
m_modifiers(modifiers) {}
UIEventWithKeyState::UIEventWithKeyState(const AtomicString& type,
const EventModifierInit& initializer)
: UIEvent(type, initializer), m_modifiers(0) {
if (initializer.ctrlKey())
m_modifiers |= PlatformEvent::CtrlKey;
if (initializer.shiftKey())
m_modifiers |= PlatformEvent::ShiftKey;
if (initializer.altKey())
m_modifiers |= PlatformEvent::AltKey;
if (initializer.metaKey())
m_modifiers |= PlatformEvent::MetaKey;
if (initializer.modifierAltGraph())
m_modifiers |= PlatformEvent::AltGrKey;
if (initializer.modifierFn())
m_modifiers |= PlatformEvent::FnKey;
if (initializer.modifierCapsLock())
m_modifiers |= PlatformEvent::CapsLockOn;
if (initializer.modifierScrollLock())
m_modifiers |= PlatformEvent::ScrollLockOn;
if (initializer.modifierNumLock())
m_modifiers |= PlatformEvent::NumLockOn;
if (initializer.modifierSymbol())
m_modifiers |= PlatformEvent::SymbolKey;
}
bool UIEventWithKeyState::s_newTabModifierSetFromIsolatedWorld = false;
void UIEventWithKeyState::didCreateEventInIsolatedWorld(bool ctrlKey,
bool shiftKey,
bool altKey,
bool metaKey) {
#if OS(MACOSX)
const bool newTabModifierSet = metaKey;
#else
const bool newTabModifierSet = ctrlKey;
#endif
s_newTabModifierSetFromIsolatedWorld |= newTabModifierSet;
}
void UIEventWithKeyState::setFromPlatformModifiers(
EventModifierInit& initializer,
const PlatformEvent::Modifiers modifiers) {
if (modifiers & PlatformEvent::CtrlKey)
initializer.setCtrlKey(true);
if (modifiers & PlatformEvent::ShiftKey)
initializer.setShiftKey(true);
if (modifiers & PlatformEvent::AltKey)
initializer.setAltKey(true);
if (modifiers & PlatformEvent::MetaKey)
initializer.setMetaKey(true);
if (modifiers & PlatformEvent::AltGrKey)
initializer.setModifierAltGraph(true);
if (modifiers & PlatformEvent::FnKey)
initializer.setModifierFn(true);
if (modifiers & PlatformEvent::CapsLockOn)
initializer.setModifierCapsLock(true);
if (modifiers & PlatformEvent::ScrollLockOn)
initializer.setModifierScrollLock(true);
if (modifiers & PlatformEvent::NumLockOn)
initializer.setModifierNumLock(true);
if (modifiers & PlatformEvent::SymbolKey)
initializer.setModifierSymbol(true);
}
bool UIEventWithKeyState::getModifierState(const String& keyIdentifier) const {
struct Identifier {
const char* identifier;
PlatformEvent::Modifiers mask;
};
static const Identifier kIdentifiers[] = {
{"Shift", PlatformEvent::ShiftKey},
{"Control", PlatformEvent::CtrlKey},
{"Alt", PlatformEvent::AltKey},
{"Meta", PlatformEvent::MetaKey},
{"AltGraph", PlatformEvent::AltGrKey},
{"Accel",
#if OS(MACOSX)
PlatformEvent::MetaKey
#else
PlatformEvent::CtrlKey
#endif
},
{"Fn", PlatformEvent::FnKey},
{"CapsLock", PlatformEvent::CapsLockOn},
{"ScrollLock", PlatformEvent::ScrollLockOn},
{"NumLock", PlatformEvent::NumLockOn},
{"Symbol", PlatformEvent::SymbolKey},
};
for (const auto& identifier : kIdentifiers) {
if (keyIdentifier == identifier.identifier)
return m_modifiers & identifier.mask;
}
return false;
}
void UIEventWithKeyState::initModifiers(bool ctrlKey,
bool altKey,
bool shiftKey,
bool metaKey) {
m_modifiers = 0;
if (ctrlKey)
m_modifiers |= PlatformEvent::CtrlKey;
if (altKey)
m_modifiers |= PlatformEvent::AltKey;
if (shiftKey)
m_modifiers |= PlatformEvent::ShiftKey;
if (metaKey)
m_modifiers |= PlatformEvent::MetaKey;
}
UIEventWithKeyState* findEventWithKeyState(Event* event) {
for (Event* e = event; e; e = e->underlyingEvent())
if (e->isKeyboardEvent() || e->isMouseEvent())
return static_cast<UIEventWithKeyState*>(e);
return nullptr;
}
} // namespace blink
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