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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
commit36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree105e8c98ddea1c1e4784a60a5a6410fa416be2de /layout/style/CachedInheritingStyles.cpp
parentInitial commit. (diff)
downloadfirefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz
firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip
Adding upstream version 115.7.0esr.upstream/115.7.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'layout/style/CachedInheritingStyles.cpp')
-rw-r--r--layout/style/CachedInheritingStyles.cpp70
1 files changed, 70 insertions, 0 deletions
diff --git a/layout/style/CachedInheritingStyles.cpp b/layout/style/CachedInheritingStyles.cpp
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+++ b/layout/style/CachedInheritingStyles.cpp
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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