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/*
* Copyright (C) 2018-2019 Apple 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.
*/
#pragma once
#include "SVGList.h"
namespace WebCore {
template<typename PropertyType>
class SVGPropertyList : public SVGList<Ref<PropertyType>>, public SVGPropertyOwner {
public:
using BaseList = SVGList<Ref<PropertyType>>;
using BaseList::isEmpty;
using BaseList::size;
using BaseList::append;
// Visual Studio doesn't seem to see these private constructors from subclasses.
// FIXME: See what it takes to remove this hack.
#if !COMPILER(MSVC)
protected:
#endif
using SVGPropertyOwner::SVGPropertyOwner;
using BaseList::m_items;
using BaseList::m_access;
using BaseList::m_owner;
SVGPropertyList(SVGPropertyOwner* owner = nullptr, SVGPropertyAccess access = SVGPropertyAccess::ReadWrite)
: BaseList(owner, access)
{
}
~SVGPropertyList()
{
// Detach the items from the list before it is deleted.
detachItems();
}
void detachItems() override
{
for (auto& item : m_items)
item->detach();
}
SVGPropertyOwner* owner() const override { return m_owner; }
void commitPropertyChange(SVGProperty*) override
{
if (owner())
owner()->commitPropertyChange(this);
}
Ref<PropertyType> at(unsigned index) const override
{
ASSERT(index < size());
return m_items.at(index).copyRef();
}
Ref<PropertyType> insert(unsigned index, Ref<PropertyType>&& newItem) override
{
ASSERT(index <= size());
// Spec: if newItem is not a detached object, then set newItem to be
// a clone object of newItem.
if (newItem->isAttached())
newItem = newItem->clone();
// Spec: Attach newItem to the list object.
newItem->attach(this, m_access);
m_items.insert(index, WTFMove(newItem));
return at(index);
}
Ref<PropertyType> replace(unsigned index, Ref<PropertyType>&& newItem) override
{
ASSERT(index < size());
Ref<PropertyType>& item = m_items[index];
// Spec: Detach item.
item->detach();
// Spec: if newItem is not a detached object, then set newItem to be
// a clone object of newItem.
if (newItem->isAttached())
item = newItem->clone();
else
item = WTFMove(newItem);
// Spec: Attach newItem to the list object.
item->attach(this, m_access);
return at(index);
}
Ref<PropertyType> remove(unsigned index) override
{
ASSERT(index < size());
Ref<PropertyType> item = at(index);
// Spec: Detach item.
item->detach();
m_items.remove(index);
return item;
}
Ref<PropertyType> append(Ref<PropertyType>&& newItem) override
{
// Spec: if newItem is not a detached object, then set newItem to be
// a clone object of newItem.
if (newItem->isAttached())
newItem = newItem->clone();
// Spec: Attach newItem to the list object.
newItem->attach(this, m_access);
m_items.append(WTFMove(newItem));
return at(size() - 1);
}
};
}
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