nsHtml5AtomTable.cpp

Enable keyboard shortcuts

/* 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 "nsHtml5AtomTable.h"

#include "nsThreadUtils.h"

nsHtml5AtomTable::nsHtml5AtomTable() : mRecentlyUsedParserAtoms{} {

#ifdef DEBUG

  mPermittedLookupEventTarget = mozilla::GetCurrentSerialEventTarget();

#endif

nsHtml5AtomTable::~nsHtml5AtomTable() = default;

nsAtom* nsHtml5AtomTable::GetAtom(const nsAString& aKey) {

  MOZ_ASSERT(mPermittedLookupEventTarget->IsOnCurrentThread());

  uint32_t hash = mozilla::HashString(aKey);

  uint32_t index = hash % RECENTLY_USED_PARSER_ATOMS_SIZE;

  if (nsAtom* atom = mRecentlyUsedParserAtoms[index]) {

    if (atom->hash() == hash && atom->Equals(aKey)) {

      return atom;

  RefPtr<nsAtom> atom = NS_Atomize(aKey, hash);

  nsAtom* ret = atom.get();

  mRecentlyUsedParserAtoms[index] = std::move(atom);

  return ret;