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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "mozilla/CachedInheritingStyles.h"
#include "mozilla/ComputedStyle.h"
#include "nsCOMPtr.h"
#include "nsWindowSizes.h"
namespace mozilla {
void CachedInheritingStyles::Insert(ComputedStyle* aStyle) {
MOZ_ASSERT(aStyle);
MOZ_ASSERT(aStyle->IsInheritingAnonBox() ||
aStyle->IsLazilyCascadedPseudoElement());
if (IsEmpty()) {
RefPtr<ComputedStyle> s = aStyle;
mBits = reinterpret_cast<uintptr_t>(s.forget().take());
MOZ_ASSERT(!IsEmpty() && !IsIndirect());
} else if (IsIndirect()) {
AsIndirect()->AppendElement(aStyle);
} else {
IndirectCache* cache = new IndirectCache();
cache->AppendElement(dont_AddRef(AsDirect()));
cache->AppendElement(aStyle);
mBits = reinterpret_cast<uintptr_t>(cache) | 1;
MOZ_ASSERT(IsIndirect());
}
}
ComputedStyle* CachedInheritingStyles::Lookup(PseudoStyleType aType) const {
MOZ_ASSERT(PseudoStyle::IsPseudoElement(aType) ||
PseudoStyle::IsInheritingAnonBox(aType));
if (IsIndirect()) {
for (auto& style : *AsIndirect()) {
if (style->GetPseudoType() == aType) {
return style;
}
}
return nullptr;
}
ComputedStyle* direct = AsDirect();
return direct && direct->GetPseudoType() == aType ? direct : nullptr;
}
void CachedInheritingStyles::AddSizeOfIncludingThis(nsWindowSizes& aSizes,
size_t* aCVsSize) const {
if (IsIndirect()) {
for (auto& style : *AsIndirect()) {
if (!aSizes.mState.HaveSeenPtr(style)) {
style->AddSizeOfIncludingThis(aSizes, aCVsSize);
}
}
return;
}
ComputedStyle* direct = AsDirect();
if (direct && !aSizes.mState.HaveSeenPtr(direct)) {
direct->AddSizeOfIncludingThis(aSizes, aCVsSize);
}
}
} // namespace mozilla
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