xref: /external/chromium_org/third_party/WebKit/Source/core/page/PageLifecycleObserver.cpp

/*
 * Copyright (C) 2013 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. ``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
 * 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 "core/page/PageLifecycleObserver.h"

#include "core/page/Page.h"

namespace blink {

template<> void observerContext(Page* context, LifecycleObserver<Page>* observer)
{
    context->wasObservedBy(observer);
}

template<> void unobserverContext(Page* context, LifecycleObserver<Page>* observer)
{
    context->wasUnobservedBy(observer);
}

PageLifecycleObserver::PageLifecycleObserver(Page* page)
    : LifecycleObserver<Page>(page, PageLifecycleObserverType)
{
}

PageLifecycleObserver::~PageLifecycleObserver()
{
}

Page* PageLifecycleObserver::page() const
{
    return static_cast<Page*>(lifecycleContext());
}

} // namespace blink