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/*
* Copyright (C) 2012 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#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());
// Create click events
if (eventType == eventNames().mouseupEvent)
m_element->dispatchMouseEvent(event, eventNames().clickEvent, event.clickCount());
}
} // namespace WebCore
#endif // ENABLE(POINTER_LOCK)
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