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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, 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 "config.h"
+#include "core/events/KeyboardEvent.h"
+
+#include "core/events/ThreadLocalEventNames.h"
+#include "platform/PlatformKeyboardEvent.h"
+#include "platform/WindowsKeyboardCodes.h"
+
+namespace WebCore {
+
+static inline const AtomicString& eventTypeForKeyboardEventType(PlatformEvent::Type type)
+{
+ switch (type) {
+ case PlatformEvent::KeyUp:
+ return EventTypeNames::keyup;
+ case PlatformEvent::RawKeyDown:
+ return EventTypeNames::keydown;
+ case PlatformEvent::Char:
+ return EventTypeNames::keypress;
+ case PlatformEvent::KeyDown:
+ // The caller should disambiguate the combined event into RawKeyDown or Char events.
+ break;
+ default:
+ break;
+ }
+ ASSERT_NOT_REACHED();
+ return EventTypeNames::keydown;
+}
+
+static inline int windowsVirtualKeyCodeWithoutLocation(int keycode)
+{
+ switch (keycode) {
+ case VK_LCONTROL:
+ case VK_RCONTROL:
+ return VK_CONTROL;
+ case VK_LSHIFT:
+ case VK_RSHIFT:
+ return VK_SHIFT;
+ case VK_LMENU:
+ case VK_RMENU:
+ return VK_MENU;
+ default:
+ return keycode;
+ }
+}
+
+static inline KeyboardEvent::KeyLocationCode keyLocationCode(const PlatformKeyboardEvent& key)
+{
+ if (key.isKeypad())
+ return KeyboardEvent::DOM_KEY_LOCATION_NUMPAD;
+
+ switch (key.windowsVirtualKeyCode()) {
+ case VK_LCONTROL:
+ case VK_LSHIFT:
+ case VK_LMENU:
+ case VK_LWIN:
+ return KeyboardEvent::DOM_KEY_LOCATION_LEFT;
+ case VK_RCONTROL:
+ case VK_RSHIFT:
+ case VK_RMENU:
+ case VK_RWIN:
+ return KeyboardEvent::DOM_KEY_LOCATION_RIGHT;
+ default:
+ return KeyboardEvent::DOM_KEY_LOCATION_STANDARD;
+ }
+}
+
+KeyboardEventInit::KeyboardEventInit()
+ : location(0)
+ , ctrlKey(false)
+ , altKey(false)
+ , shiftKey(false)
+ , metaKey(false)
+ , repeat(false)
+{
+}
+
+KeyboardEvent::KeyboardEvent()
+ : m_location(DOM_KEY_LOCATION_STANDARD)
+ , m_altGraphKey(false)
+ , m_isAutoRepeat(false)
+{
+ ScriptWrappable::init(this);
+}
+
+KeyboardEvent::KeyboardEvent(const PlatformKeyboardEvent& key, AbstractView* view)
+ : UIEventWithKeyState(eventTypeForKeyboardEventType(key.type()),
+ true, true, view, 0, key.ctrlKey(), key.altKey(), key.shiftKey(), key.metaKey())
+ , m_keyEvent(adoptPtr(new PlatformKeyboardEvent(key)))
+ , m_keyIdentifier(key.keyIdentifier())
+ , m_location(keyLocationCode(key))
+ , m_altGraphKey(false)
+ , m_isAutoRepeat(key.isAutoRepeat())
+{
+ ScriptWrappable::init(this);
+}
+
+KeyboardEvent::KeyboardEvent(const AtomicString& eventType, const KeyboardEventInit& initializer)
+ : UIEventWithKeyState(eventType, initializer.bubbles, initializer.cancelable, initializer.view, initializer.detail, initializer.ctrlKey, initializer.altKey, initializer.shiftKey, initializer.metaKey)
+ , m_keyIdentifier(initializer.keyIdentifier)
+ , m_location(initializer.location)
+ , m_altGraphKey(false)
+ , m_isAutoRepeat(initializer.repeat)
+{
+ ScriptWrappable::init(this);
+}
+
+KeyboardEvent::KeyboardEvent(const AtomicString& eventType, bool canBubble, bool cancelable, AbstractView *view,
+ const String &keyIdentifier, unsigned location,
+ bool ctrlKey, bool altKey, bool shiftKey, bool metaKey, bool altGraphKey)
+ : UIEventWithKeyState(eventType, canBubble, cancelable, view, 0, ctrlKey, altKey, shiftKey, metaKey)
+ , m_keyIdentifier(keyIdentifier)
+ , m_location(location)
+ , m_altGraphKey(altGraphKey)
+ , m_isAutoRepeat(false)
+{
+ ScriptWrappable::init(this);
+}
+
+KeyboardEvent::~KeyboardEvent()
+{
+}
+
+void KeyboardEvent::initKeyboardEvent(const AtomicString& type, bool canBubble, bool cancelable, AbstractView* view,
+ const String &keyIdentifier, unsigned location,
+ bool ctrlKey, bool altKey, bool shiftKey, bool metaKey, bool altGraphKey)
+{
+ if (dispatched())
+ return;
+
+ initUIEvent(type, canBubble, cancelable, view, 0);
+
+ m_keyIdentifier = keyIdentifier;
+ m_location = location;
+ m_ctrlKey = ctrlKey;
+ m_shiftKey = shiftKey;
+ m_altKey = altKey;
+ m_metaKey = metaKey;
+ m_altGraphKey = altGraphKey;
+}
+
+bool KeyboardEvent::getModifierState(const String& keyIdentifier) const
+{
+ // FIXME: The following keyIdentifiers are not supported yet (crbug.com/265458):
+ // "AltGraph", "CapsLock", "Fn", "NumLock", "ScrollLock", "SymbolLock", "OS".
+ if (keyIdentifier == "Control")
+ return ctrlKey();
+ if (keyIdentifier == "Shift")
+ return shiftKey();
+ if (keyIdentifier == "Alt")
+ return altKey();
+ if (keyIdentifier == "Meta")
+ return metaKey();
+ return false;
+}
+
+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 (type() == EventTypeNames::keydown || type() == EventTypeNames::keyup)
+ return windowsVirtualKeyCodeWithoutLocation(m_keyEvent->windowsVirtualKeyCode());
+
+ 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;
+ String text = m_keyEvent->text();
+ return static_cast<int>(text.characterStartingAt(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();
+}
+
+KeyboardEvent* findKeyboardEvent(Event* event)
+{
+ for (Event* e = event; e; e = e->underlyingEvent()) {
+ if (e->isKeyboardEvent())
+ return toKeyboardEvent(e);
+ }
+ return 0;
+}
+
+PassRefPtr<KeyboardEventDispatchMediator> KeyboardEventDispatchMediator::create(PassRefPtr<KeyboardEvent> event)
+{
+ return adoptRef(new KeyboardEventDispatchMediator(event));
+}
+
+KeyboardEventDispatchMediator::KeyboardEventDispatchMediator(PassRefPtr<KeyboardEvent> event)
+ : EventDispatchMediator(event)
+{
+}
+
+bool KeyboardEventDispatchMediator::dispatchEvent(EventDispatcher* dispatcher) const
+{
+ // Make sure not to return true if we already took default action while handling the event.
+ return EventDispatchMediator::dispatchEvent(dispatcher) && !event()->defaultHandled();
+}
+
+} // namespace WebCore