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-rw-r--r--dom/base/DocumentInlines.h67
1 files changed, 67 insertions, 0 deletions
diff --git a/dom/base/DocumentInlines.h b/dom/base/DocumentInlines.h
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+++ b/dom/base/DocumentInlines.h
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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/. */
+#ifndef mozilla_dom_DocumentInlines_h
+#define mozilla_dom_DocumentInlines_h
+
+#include "mozilla/dom/Document.h"
+
+#include "mozilla/PresShell.h"
+#include "mozilla/ServoStyleSet.h"
+#include "mozilla/dom/HTMLBodyElement.h"
+#include "nsContentUtils.h"
+#include "nsPresContext.h"
+#include "nsStyleSheetService.h"
+
+namespace mozilla::dom {
+
+inline PresShell* Document::GetObservingPresShell() const {
+ return mPresShell && mPresShell->IsObservingDocument() ? mPresShell : nullptr;
+}
+
+inline nsPresContext* Document::GetPresContext() const {
+ PresShell* presShell = GetPresShell();
+ return presShell ? presShell->GetPresContext() : nullptr;
+}
+
+inline HTMLBodyElement* Document::GetBodyElement() {
+ return static_cast<HTMLBodyElement*>(GetHtmlChildElement(nsGkAtoms::body));
+}
+
+inline void Document::SetServoRestyleRoot(nsINode* aRoot, uint32_t aDirtyBits) {
+ MOZ_ASSERT(aRoot);
+
+ MOZ_ASSERT(!mServoRestyleRoot || mServoRestyleRoot == aRoot ||
+ nsContentUtils::ContentIsFlattenedTreeDescendantOfForStyle(
+ mServoRestyleRoot, aRoot));
+ MOZ_ASSERT(aRoot == aRoot->OwnerDocAsNode() || aRoot->IsElement());
+ mServoRestyleRoot = aRoot;
+ SetServoRestyleRootDirtyBits(aDirtyBits);
+}
+
+// Note: we break this out of SetServoRestyleRoot so that callers can add
+// bits without doing a no-op assignment to the restyle root, which would
+// involve cycle-collected refcount traffic.
+inline void Document::SetServoRestyleRootDirtyBits(uint32_t aDirtyBits) {
+ MOZ_ASSERT(aDirtyBits);
+ MOZ_ASSERT((aDirtyBits & ~Element::kAllServoDescendantBits) == 0);
+ MOZ_ASSERT((aDirtyBits & mServoRestyleRootDirtyBits) ==
+ mServoRestyleRootDirtyBits);
+ MOZ_ASSERT(mServoRestyleRoot);
+ mServoRestyleRootDirtyBits = aDirtyBits;
+}
+
+inline ServoStyleSet& Document::EnsureStyleSet() const {
+ MOZ_ASSERT(NS_IsMainThread());
+ if (!mStyleSet) {
+ Document* doc = const_cast<Document*>(this);
+ doc->mStyleSet = MakeUnique<ServoStyleSet>(*doc);
+ }
+ return *(mStyleSet.get());
+}
+
+} // namespace mozilla::dom
+
+#endif // mozilla_dom_DocumentInlines_h