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/*
* Copyright (C) 2022 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 "CSSStyleSheet.h"
#include "ExceptionOr.h"
#include "JSObservableArray.h"
namespace WebCore {
class ContainerNode;
class CSSStyleSheetObservableArray : public JSC::ObservableArray {
public:
static Ref<CSSStyleSheetObservableArray> create(ContainerNode& treeScope);
ExceptionOr<void> setSheets(Vector<RefPtr<CSSStyleSheet>>&&);
const Vector<RefPtr<CSSStyleSheet>>& sheets() const { return m_sheets; }
private:
explicit CSSStyleSheetObservableArray(ContainerNode& treeScope);
std::optional<Exception> shouldThrowWhenAddingSheet(const CSSStyleSheet&) const;
// JSC::ObservableArray
bool setValueAt(JSC::JSGlobalObject*, unsigned index, JSC::JSValue) final;
bool deleteValueAt(JSC::JSGlobalObject*, unsigned index) final;
JSC::JSValue valueAt(JSC::JSGlobalObject*, unsigned index) const final;
unsigned length() const final { return m_sheets.size(); }
TreeScope* treeScope() const;
void didAddSheet(CSSStyleSheet&);
void willRemoveSheet(CSSStyleSheet&);
WeakPtr<ContainerNode, WeakPtrImplWithEventTargetData> m_treeScope;
Vector<RefPtr<CSSStyleSheet>> m_sheets;
};
} // namespace WebCore
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