#pragma once
#if ENABLE(LAYOUT_FORMATTING_CONTEXT)
#include "LayoutContainer.h"
#include "LayoutTreeBuilder.h"
#include <wtf/HashMap.h>
#include <wtf/HashSet.h>
#include <wtf/IsoMalloc.h>
#include <wtf/WeakPtr.h>
namespace WebCore {
namespace Display {
class Box;
}
namespace Layout {
class Box;
class FormattingContext;
class FormattingState;
class LayoutState {
WTF_MAKE_ISO_ALLOCATED(LayoutState);
public:
LayoutState(const LayoutTreeContent&);
~LayoutState();
FormattingState& createFormattingStateForFormattingRootIfNeeded(const Container& formattingContextRoot);
FormattingState& establishedFormattingState(const Container& formattingRoot) const;
FormattingState& formattingStateForBox(const Box&) const;
bool hasFormattingState(const Container& formattingRoot) const { return m_formattingStates.contains(&formattingRoot); }
#ifndef NDEBUG
void registerFormattingContext(const FormattingContext&);
void deregisterFormattingContext(const FormattingContext& formattingContext) { m_formattingContextList.remove(&formattingContext); }
#endif
Display::Box& displayBoxForRootLayoutBox();
Display::Box& displayBoxForLayoutBox(const Box& layoutBox);
const Display::Box& displayBoxForLayoutBox(const Box& layoutBox) const;
bool hasDisplayBox(const Box& layoutBox) const { return m_layoutToDisplayBox.contains(&layoutBox); }
enum class QuirksMode { No, Limited, Yes };
bool inQuirksMode() const { return m_quirksMode == QuirksMode::Yes; }
bool inLimitedQuirksMode() const { return m_quirksMode == QuirksMode::Limited; }
bool inNoQuirksMode() const { return m_quirksMode == QuirksMode::No; }
const Container& root() const { return m_layoutTreeContent->rootLayoutBox(); }
#ifndef NDEBUG
const RenderBox& rootRenderer() const { return m_layoutTreeContent->rootRenderer(); }
#endif
void setViewportSize(const LayoutSize&);
LayoutSize viewportSize() const;
bool isIntegratedRootBoxFirstChild() const;
private:
void setQuirksMode(QuirksMode quirksMode) { m_quirksMode = quirksMode; }
HashMap<const Container*, std::unique_ptr<FormattingState>> m_formattingStates;
#ifndef NDEBUG
HashSet<const FormattingContext*> m_formattingContextList;
#endif
HashMap<const Box*, std::unique_ptr<Display::Box>> m_layoutToDisplayBox;
QuirksMode m_quirksMode { QuirksMode::No };
WeakPtr<const LayoutTreeContent> m_layoutTreeContent;
LayoutSize m_viewportSize;
};
#ifndef NDEBUG
inline void LayoutState::registerFormattingContext(const FormattingContext& formattingContext)
{
ASSERT(!m_formattingContextList.contains(&formattingContext));
m_formattingContextList.add(&formattingContext);
}
#endif
}
}
#endif