Source/WebCore/page/PointerLock.cpp

/*
 * Copyright (C) 2011 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 "PointerLock.h"

#include "Frame.h"
#include "Page.h"
#include "PointerLockController.h"

#if ENABLE(POINTER_LOCK)

namespace WebCore {

PointerLock::PointerLock(Frame* frame)
    : DOMWindowProperty(frame)
    , m_controller(0)
{
    ASSERT(m_frame);
    m_controller = frame->page()->pointerLockController();
}

PointerLock::~PointerLock()
{
    ASSERT(!m_controller);
}

void PointerLock::disconnectFrameForPageCache()
{
    DOMWindowProperty::disconnectFrameForPageCache();
    m_controller = 0;
}

void PointerLock::willDestroyGlobalObjectInFrame()
{
    DOMWindowProperty::willDestroyGlobalObjectInFrame();
    m_controller = 0;
}

void PointerLock::lock(Element* target, PassRefPtr<VoidCallback> successCallback, PassRefPtr<VoidCallback> failureCallback)
{
    if (m_controller)
        m_controller->requestPointerLock(target, successCallback, failureCallback);
}

void PointerLock::unlock()
{
    if (m_controller)
        m_controller->requestPointerUnlock();
}

bool PointerLock::isLocked()
{
    return m_controller && m_controller->isLocked();
}

}

#endif // ENABLE(POINTER_LOCK)