blob: 09e2104f744d64a60d31f64ca73e442d2ddb6506 [file] [log] [blame]
/**
* 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, 2005, 2006, 2007 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.
*/
#include "core/events/KeyboardEvent.h"
#include "bindings/core/v8/DOMWrapperWorld.h"
#include "bindings/core/v8/ScriptState.h"
#include "platform/WindowsKeyboardCodes.h"
#include "public/platform/Platform.h"
#include "public/platform/WebInputEvent.h"
#include "wtf/PtrUtil.h"
namespace blink {
static inline const AtomicString& eventTypeForKeyboardEventType(
WebInputEvent::Type type) {
switch (type) {
case WebInputEvent::KeyUp:
return EventTypeNames::keyup;
case WebInputEvent::RawKeyDown:
return EventTypeNames::keydown;
case WebInputEvent::Char:
return EventTypeNames::keypress;
case WebInputEvent::KeyDown:
// The caller should disambiguate the combined event into RawKeyDown or Char events.
break;
default:
break;
}
NOTREACHED();
return EventTypeNames::keydown;
}
static inline KeyboardEvent::KeyLocationCode keyLocationCode(
const WebInputEvent& key) {
if (key.modifiers & WebInputEvent::IsKeyPad)
return KeyboardEvent::kDomKeyLocationNumpad;
if (key.modifiers & WebInputEvent::IsLeft)
return KeyboardEvent::kDomKeyLocationLeft;
if (key.modifiers & WebInputEvent::IsRight)
return KeyboardEvent::kDomKeyLocationRight;
return KeyboardEvent::kDomKeyLocationStandard;
}
KeyboardEvent* KeyboardEvent::create(ScriptState* scriptState,
const AtomicString& type,
const KeyboardEventInit& initializer) {
if (scriptState->world().isIsolatedWorld())
UIEventWithKeyState::didCreateEventInIsolatedWorld(
initializer.ctrlKey(), initializer.altKey(), initializer.shiftKey(),
initializer.metaKey());
return new KeyboardEvent(type, initializer);
}
KeyboardEvent::KeyboardEvent() : m_location(kDomKeyLocationStandard) {}
KeyboardEvent::KeyboardEvent(const WebKeyboardEvent& key, AbstractView* view)
: UIEventWithKeyState(
eventTypeForKeyboardEventType(key.type),
true,
true,
view,
0,
static_cast<PlatformEvent::Modifiers>(key.modifiers),
key.timeStampSeconds,
InputDeviceCapabilities::doesntFireTouchEventsSourceCapabilities()),
m_keyEvent(wrapUnique(new WebKeyboardEvent(key))),
// TODO(crbug.com/482880): Fix this initialization to lazy initialization.
m_code(Platform::current()->domCodeStringFromEnum(key.domCode)),
m_key(Platform::current()->domKeyStringFromEnum(key.domKey)),
m_location(keyLocationCode(key)) {
initLocationModifiers(m_location);
}
KeyboardEvent::KeyboardEvent(const AtomicString& eventType,
const KeyboardEventInit& initializer)
: UIEventWithKeyState(eventType, initializer),
m_code(initializer.code()),
m_key(initializer.key()),
m_location(initializer.location()) {
if (initializer.repeat())
m_modifiers |= PlatformEvent::IsAutoRepeat;
initLocationModifiers(initializer.location());
}
KeyboardEvent::KeyboardEvent(const AtomicString& eventType,
bool canBubble,
bool cancelable,
AbstractView* view,
const String& code,
const String& key,
unsigned location,
PlatformEvent::Modifiers modifiers,
double plaformTimeStamp)
: UIEventWithKeyState(
eventType,
canBubble,
cancelable,
view,
0,
modifiers,
plaformTimeStamp,
InputDeviceCapabilities::doesntFireTouchEventsSourceCapabilities()),
m_code(code),
m_key(key),
m_location(location) {
initLocationModifiers(location);
}
KeyboardEvent::~KeyboardEvent() {}
void KeyboardEvent::initKeyboardEvent(ScriptState* scriptState,
const AtomicString& type,
bool canBubble,
bool cancelable,
AbstractView* view,
const String& keyIdentifier,
unsigned location,
bool ctrlKey,
bool altKey,
bool shiftKey,
bool metaKey) {
if (isBeingDispatched())
return;
if (scriptState->world().isIsolatedWorld())
UIEventWithKeyState::didCreateEventInIsolatedWorld(ctrlKey, altKey,
shiftKey, metaKey);
initUIEvent(type, canBubble, cancelable, view, 0);
m_location = location;
initModifiers(ctrlKey, altKey, shiftKey, metaKey);
initLocationModifiers(location);
}
int KeyboardEvent::keyCode() const {
// IE: virtual key code for keyup/keydown, character code for keypress
// Firefox: virtual key code for keyup/keydown, zero for keypress
// We match IE.
if (!m_keyEvent)
return 0;
#if OS(ANDROID)
// FIXME: Check to see if this applies to other OS.
// If the key event belongs to IME composition then propagate to JS.
if (m_keyEvent->nativeKeyCode == 0xE5) // VKEY_PROCESSKEY
return m_keyEvent->nativeKeyCode;
#endif
if (type() == EventTypeNames::keydown || type() == EventTypeNames::keyup)
return m_keyEvent->windowsKeyCode;
return charCode();
}
int KeyboardEvent::charCode() const {
// IE: not supported
// Firefox: 0 for keydown/keyup events, character code for keypress
// We match Firefox
if (!m_keyEvent || (type() != EventTypeNames::keypress))
return 0;
return m_keyEvent->text[0];
}
const AtomicString& KeyboardEvent::interfaceName() const {
return EventNames::KeyboardEvent;
}
bool KeyboardEvent::isKeyboardEvent() const {
return true;
}
int KeyboardEvent::which() const {
// Netscape's "which" returns a virtual key code for keydown and keyup, and a character code for keypress.
// That's exactly what IE's "keyCode" returns. So they are the same for keyboard events.
return keyCode();
}
void KeyboardEvent::initLocationModifiers(unsigned location) {
switch (location) {
case KeyboardEvent::kDomKeyLocationNumpad:
m_modifiers |= PlatformEvent::IsKeyPad;
break;
case KeyboardEvent::kDomKeyLocationLeft:
m_modifiers |= PlatformEvent::IsLeft;
break;
case KeyboardEvent::kDomKeyLocationRight:
m_modifiers |= PlatformEvent::IsRight;
break;
}
}
DEFINE_TRACE(KeyboardEvent) {
UIEventWithKeyState::trace(visitor);
}
} // namespace blink