PointerLockController.cpp [plain text]
#include "config.h"
#include "PointerLockController.h"
#include "Chrome.h"
#include "ChromeClient.h"
#include "Element.h"
#include "Page.h"
#include "PlatformMouseEvent.h"
#include "VoidCallback.h"
#if ENABLE(POINTER_LOCK)
namespace WebCore {
PointerLockController::PointerLockController(Page* page)
: m_page(page)
{
}
PassOwnPtr<PointerLockController> PointerLockController::create(Page* page)
{
return adoptPtr(new PointerLockController(page));
}
void PointerLockController::requestPointerLock(Element* target, PassRefPtr<VoidCallback> successCallback, PassRefPtr<VoidCallback> failureCallback)
{
if (isLocked()) {
if (m_element == target) {
if (successCallback)
successCallback->handleEvent();
} else {
didLosePointerLock();
m_element = target;
if (successCallback)
successCallback->handleEvent();
}
} else if (m_page->chrome()->client()->requestPointerLock()) {
m_element = target;
m_successCallback = successCallback;
m_failureCallback = failureCallback;
} else if (failureCallback)
failureCallback->handleEvent();
}
void PointerLockController::requestPointerUnlock()
{
return m_page->chrome()->client()->requestPointerUnlock();
}
bool PointerLockController::isLocked()
{
return m_page->chrome()->client()->isPointerLocked();
}
void PointerLockController::didAcquirePointerLock()
{
RefPtr<Element> elementToNotify(m_element);
RefPtr<VoidCallback> callbackToIssue(m_successCallback);
m_successCallback = 0;
m_failureCallback = 0;
if (callbackToIssue && elementToNotify && elementToNotify->document()->frame())
callbackToIssue->handleEvent();
}
void PointerLockController::didNotAcquirePointerLock()
{
RefPtr<Element> elementToNotify(m_element);
RefPtr<VoidCallback> callbackToIssue(m_failureCallback);
m_element = 0;
m_successCallback = 0;
m_failureCallback = 0;
if (callbackToIssue && elementToNotify && elementToNotify->document()->frame())
callbackToIssue->handleEvent();
}
void PointerLockController::didLosePointerLock()
{
RefPtr<Element> elementToNotify(m_element);
m_element = 0;
m_successCallback = 0;
m_failureCallback = 0;
if (elementToNotify && elementToNotify->document()->frame())
elementToNotify->dispatchEvent(Event::create(eventNames().webkitpointerlocklostEvent, true, false));
}
void PointerLockController::dispatchLockedMouseEvent(const PlatformMouseEvent& event, const AtomicString& eventType)
{
if (!m_element || !m_element->document()->frame())
return;
m_element->dispatchMouseEvent(event, eventType, event.clickCount());
if (eventType == eventNames().mouseupEvent)
m_element->dispatchMouseEvent(event, eventNames().clickEvent, event.clickCount());
}
}
#endif // ENABLE(POINTER_LOCK)