#include "config.h"
#include "LayoutState.h"
#if ENABLE(LAYOUT_FORMATTING_CONTEXT)
#include "BlockFormattingState.h"
#include "DisplayBox.h"
#include "FloatingState.h"
#include "InlineFormattingState.h"
#include "LayoutBox.h"
#include "LayoutContainerBox.h"
#include "RenderBox.h"
#include "RuntimeEnabledFeatures.h"
#include "TableFormattingState.h"
#include <wtf/IsoMallocInlines.h>
namespace WebCore {
namespace Layout {
WTF_MAKE_ISO_ALLOCATED_IMPL(LayoutState);
LayoutState::LayoutState(const Document& document, const ContainerBox& rootContainer)
: m_rootContainer(makeWeakPtr(rootContainer))
{
ASSERT(root().establishesFormattingContext());
auto quirksMode = [&] {
if (document.inLimitedQuirksMode())
return LayoutState::QuirksMode::Limited;
if (document.inQuirksMode())
return LayoutState::QuirksMode::Yes;
return LayoutState::QuirksMode::No;
};
setQuirksMode(quirksMode());
}
LayoutState::~LayoutState() = default;
Display::Box& LayoutState::displayBoxForRootLayoutBox()
{
return ensureDisplayBoxForLayoutBox(root());
}
Display::Box& LayoutState::ensureDisplayBoxForLayoutBoxSlow(const Box& layoutBox)
{
if (layoutBox.canCacheForLayoutState(*this)) {
ASSERT(!layoutBox.cachedDisplayBoxForLayoutState(*this));
auto newBox = makeUnique<Display::Box>();
auto& newBoxPtr = *newBox;
layoutBox.setCachedDisplayBoxForLayoutState(*this, WTFMove(newBox));
return newBoxPtr;
}
return *m_layoutToDisplayBox.ensure(&layoutBox, [] {
return makeUnique<Display::Box>();
}).iterator->value;
}
FormattingState& LayoutState::formattingStateForBox(const Box& layoutBox) const
{
return establishedFormattingState(layoutBox.formattingContextRoot());
}
FormattingState& LayoutState::establishedFormattingState(const ContainerBox& formattingContextRoot) const
{
if (RuntimeEnabledFeatures::sharedFeatures().layoutFormattingContextIntegrationEnabled()) {
ASSERT(&formattingContextRoot == m_rootContainer.get());
return *m_rootInlineFormattingStateForIntegration;
}
if (auto* formattingState = m_inlineFormattingStates.get(&formattingContextRoot))
return *formattingState;
if (auto* formattingState = m_blockFormattingStates.get(&formattingContextRoot))
return *formattingState;
ASSERT(m_tableFormattingStates.contains(&formattingContextRoot));
return *m_tableFormattingStates.get(&formattingContextRoot);
}
InlineFormattingState& LayoutState::establishedInlineFormattingState(const ContainerBox& formattingContextRoot) const
{
ASSERT(formattingContextRoot.establishesInlineFormattingContext());
if (RuntimeEnabledFeatures::sharedFeatures().layoutFormattingContextIntegrationEnabled()) {
ASSERT(&formattingContextRoot == m_rootContainer.get());
return *m_rootInlineFormattingStateForIntegration;
}
return *m_inlineFormattingStates.get(&formattingContextRoot);
}
BlockFormattingState& LayoutState::establishedBlockFormattingState(const ContainerBox& formattingContextRoot) const
{
ASSERT(formattingContextRoot.establishesBlockFormattingContext());
return *m_blockFormattingStates.get(&formattingContextRoot);
}
TableFormattingState& LayoutState::establishedTableFormattingState(const ContainerBox& formattingContextRoot) const
{
ASSERT(formattingContextRoot.establishesTableFormattingContext());
return *m_tableFormattingStates.get(&formattingContextRoot);
}
FormattingState& LayoutState::ensureFormattingState(const ContainerBox& formattingContextRoot)
{
if (formattingContextRoot.establishesInlineFormattingContext())
return ensureInlineFormattingState(formattingContextRoot);
if (formattingContextRoot.establishesBlockFormattingContext())
return ensureBlockFormattingState(formattingContextRoot);
return ensureTableFormattingState(formattingContextRoot);
}
InlineFormattingState& LayoutState::ensureInlineFormattingState(const ContainerBox& formattingContextRoot)
{
ASSERT(formattingContextRoot.establishesInlineFormattingContext());
auto create = [&] {
if (formattingContextRoot.establishesBlockFormattingContext())
return makeUnique<InlineFormattingState>(FloatingState::create(*this, formattingContextRoot), *this);
auto& parentFormattingState = ensureFormattingState(formattingContextRoot.formattingContextRoot());
auto& parentFloatingState = parentFormattingState.floatingState();
return makeUnique<InlineFormattingState>(parentFloatingState, *this);
};
if (RuntimeEnabledFeatures::sharedFeatures().layoutFormattingContextIntegrationEnabled()) {
if (!m_rootInlineFormattingStateForIntegration) {
ASSERT(&formattingContextRoot == m_rootContainer.get());
m_rootInlineFormattingStateForIntegration = create();
}
return *m_rootInlineFormattingStateForIntegration;
}
return *m_inlineFormattingStates.ensure(&formattingContextRoot, create).iterator->value;
}
BlockFormattingState& LayoutState::ensureBlockFormattingState(const ContainerBox& formattingContextRoot)
{
ASSERT(formattingContextRoot.establishesBlockFormattingContext());
auto create = [&] {
return makeUnique<BlockFormattingState>(FloatingState::create(*this, formattingContextRoot), *this);
};
return *m_blockFormattingStates.ensure(&formattingContextRoot, create).iterator->value;
}
TableFormattingState& LayoutState::ensureTableFormattingState(const ContainerBox& formattingContextRoot)
{
ASSERT(formattingContextRoot.establishesTableFormattingContext());
auto create = [&] {
return makeUnique<TableFormattingState>(FloatingState::create(*this, formattingContextRoot), *this, formattingContextRoot);
};
return *m_tableFormattingStates.ensure(&formattingContextRoot, create).iterator->value;
}
void LayoutState::setViewportSize(const LayoutSize& viewportSize)
{
ASSERT(RuntimeEnabledFeatures::sharedFeatures().layoutFormattingContextIntegrationEnabled());
m_viewportSize = viewportSize;
}
LayoutSize LayoutState::viewportSize() const
{
ASSERT(RuntimeEnabledFeatures::sharedFeatures().layoutFormattingContextIntegrationEnabled());
return m_viewportSize;
}
void LayoutState::setIsIntegratedRootBoxFirstChild(bool value)
{
ASSERT(RuntimeEnabledFeatures::sharedFeatures().layoutFormattingContextIntegrationEnabled());
m_isIntegratedRootBoxFirstChild = value;
}
}
}
#endif