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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /layout/style/ShadowParts.h
parentInitial commit. (diff)
downloadfirefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz
firefox-26a029d407be480d791972afb5975cf62c9360a6.zip
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'layout/style/ShadowParts.h')
-rw-r--r--layout/style/ShadowParts.h47
1 files changed, 47 insertions, 0 deletions
diff --git a/layout/style/ShadowParts.h b/layout/style/ShadowParts.h
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+++ b/layout/style/ShadowParts.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_ShadowParts_h
+#define mozilla_ShadowParts_h
+
+#include "nsAtomHashKeys.h"
+#include "nsTHashtable.h"
+#include "nsClassHashtable.h"
+#include "nsRefPtrHashtable.h"
+#include "nsStringFwd.h"
+
+namespace mozilla {
+
+class ShadowParts final {
+ public:
+ ShadowParts(ShadowParts&&) = default;
+ ShadowParts(const ShadowParts&) = delete;
+ static ShadowParts Parse(const nsAString&);
+
+ using PartList = AutoTArray<RefPtr<nsAtom>, 1>;
+
+ PartList* Get(nsAtom* aName) const { return mMappings.Get(aName); }
+
+ nsAtom* GetReverse(nsAtom* aName) const {
+ return mReverseMappings.GetWeak(aName);
+ }
+
+#ifdef DEBUG
+ void Dump() const;
+#endif
+
+ private:
+ ShadowParts() = default;
+
+ // TODO(emilio): If the two hashtables take a lot of memory we should consider
+ // just using an nsTArray<Pair<>> or something.
+ nsClassHashtable<nsAtomHashKey, PartList> mMappings;
+ nsRefPtrHashtable<nsAtomHashKey, nsAtom> mReverseMappings;
+};
+
+} // namespace mozilla
+
+#endif // mozilla_ShadowParts_h