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/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* 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 THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT HOLDER 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 <AK/WeakPtr.h>
#include <LibCore/Event.h>
#include <LibCore/Object.h>
namespace Core {
ChildEvent::ChildEvent(Type type, Object& child, Object* insertion_before_child)
: Core::Event(type)
, m_child(child.make_weak_ptr())
, m_insertion_before_child(AK::try_make_weak_ptr(insertion_before_child))
{
}
ChildEvent::~ChildEvent()
{
}
Object* ChildEvent::child()
{
if (auto ref = m_child.strong_ref())
return ref.ptr();
return nullptr;
}
const Object* ChildEvent::child() const
{
if (auto ref = m_child.strong_ref())
return ref.ptr();
return nullptr;
}
Object* ChildEvent::insertion_before_child()
{
if (auto ref = m_insertion_before_child.strong_ref())
return ref.ptr();
return nullptr;
}
const Object* ChildEvent::insertion_before_child() const
{
if (auto ref = m_insertion_before_child.strong_ref())
return ref.ptr();
return nullptr;
}
}
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