#include "config.h"
#include "KeyboardEvent.h"
#include "Document.h"
#include "DOMWindow.h"
#include "EventDispatcher.h"
#include "EventNames.h"
#include "EventHandler.h"
#include "Frame.h"
#include "PlatformKeyboardEvent.h"
#include "Settings.h"
namespace WebCore {
static inline const AtomicString& eventTypeForKeyboardEventType(PlatformKeyboardEvent::Type type)
{
switch (type) {
case PlatformKeyboardEvent::KeyUp:
return eventNames().keyupEvent;
case PlatformKeyboardEvent::RawKeyDown:
return eventNames().keydownEvent;
case PlatformKeyboardEvent::Char:
return eventNames().keypressEvent;
case PlatformKeyboardEvent::KeyDown:
break;
}
ASSERT_NOT_REACHED();
return eventNames().keydownEvent;
}
KeyboardEvent::KeyboardEvent()
: m_keyLocation(DOM_KEY_LOCATION_STANDARD)
, m_altGraphKey(false)
{
}
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_keyLocation(key.isKeypad() ? DOM_KEY_LOCATION_NUMPAD : DOM_KEY_LOCATION_STANDARD) , m_altGraphKey(false)
{
}
KeyboardEvent::KeyboardEvent(const AtomicString& eventType, bool canBubble, bool cancelable, AbstractView *view,
const String &keyIdentifier, unsigned keyLocation,
bool ctrlKey, bool altKey, bool shiftKey, bool metaKey, bool altGraphKey)
: UIEventWithKeyState(eventType, canBubble, cancelable, view, 0, ctrlKey, altKey, shiftKey, metaKey)
, m_keyIdentifier(keyIdentifier)
, m_keyLocation(keyLocation)
, m_altGraphKey(altGraphKey)
{
}
KeyboardEvent::~KeyboardEvent()
{
}
void KeyboardEvent::initKeyboardEvent(const AtomicString& type, bool canBubble, bool cancelable, AbstractView* view,
const String &keyIdentifier, unsigned keyLocation,
bool ctrlKey, bool altKey, bool shiftKey, bool metaKey, bool altGraphKey)
{
if (dispatched())
return;
initUIEvent(type, canBubble, cancelable, view, 0);
m_keyIdentifier = keyIdentifier;
m_keyLocation = keyLocation;
m_ctrlKey = ctrlKey;
m_shiftKey = shiftKey;
m_altKey = altKey;
m_metaKey = metaKey;
m_altGraphKey = altGraphKey;
}
bool KeyboardEvent::getModifierState(const String& keyIdentifier) const
{
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
{
if (!m_keyEvent)
return 0;
if (type() == eventNames().keydownEvent || type() == eventNames().keyupEvent)
return m_keyEvent->windowsVirtualKeyCode();
return charCode();
}
int KeyboardEvent::charCode() const
{
bool backwardCompatibilityMode = false;
if (view() && view()->frame())
backwardCompatibilityMode = view()->frame()->eventHandler()->needsKeyboardEventDisambiguationQuirks();
if (!m_keyEvent || (type() != eventNames().keypressEvent && !backwardCompatibilityMode))
return 0;
String text = m_keyEvent->text();
return static_cast<int>(text.characterStartingAt(0));
}
bool KeyboardEvent::isKeyboardEvent() const
{
return true;
}
int KeyboardEvent::which() const
{
return keyCode();
}
KeyboardEvent* findKeyboardEvent(Event* event)
{
for (Event* e = event; e; e = e->underlyingEvent())
if (e->isKeyboardEvent())
return static_cast<KeyboardEvent*>(e);
return 0;
}
KeyboardEventDispatchMediator::KeyboardEventDispatchMediator(PassRefPtr<KeyboardEvent> event)
: EventDispatchMediator(event)
{
}
bool KeyboardEventDispatchMediator::dispatchEvent(EventDispatcher* dispatcher) const
{
return EventDispatchMediator::dispatchEvent(dispatcher) && !event()->defaultHandled();
}
}