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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 01:47:29 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 01:47:29 +0000 |
commit | 0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d (patch) | |
tree | a31f07c9bcca9d56ce61e9a1ffd30ef350d513aa /xpcom/ds/nsSimpleEnumerator.cpp | |
parent | Initial commit. (diff) | |
download | firefox-esr-0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d.tar.xz firefox-esr-0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d.zip |
Adding upstream version 115.8.0esr.upstream/115.8.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'xpcom/ds/nsSimpleEnumerator.cpp')
-rw-r--r-- | xpcom/ds/nsSimpleEnumerator.cpp | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/xpcom/ds/nsSimpleEnumerator.cpp b/xpcom/ds/nsSimpleEnumerator.cpp new file mode 100644 index 0000000000..7f7ca9d674 --- /dev/null +++ b/xpcom/ds/nsSimpleEnumerator.cpp @@ -0,0 +1,78 @@ +/* -*- 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 "nsSimpleEnumerator.h" + +#include "mozilla/dom/IteratorResultBinding.h" +#include "mozilla/dom/RootedDictionary.h" +#include "mozilla/dom/ToJSValue.h" +#include "mozilla/ResultExtensions.h" +#include "nsContentUtils.h" + +using namespace mozilla; +using namespace mozilla::dom; + +namespace { + +class JSEnumerator final : public nsIJSEnumerator { + NS_DECL_ISUPPORTS + NS_DECL_NSIJSENUMERATOR + + explicit JSEnumerator(nsISimpleEnumerator* aEnumerator, const nsID& aIID) + : mEnumerator(aEnumerator), mIID(aIID) {} + + private: + ~JSEnumerator() = default; + + nsCOMPtr<nsISimpleEnumerator> mEnumerator; + const nsID mIID; +}; + +} // anonymous namespace + +nsresult JSEnumerator::Iterator(nsIJSEnumerator** aResult) { + RefPtr<JSEnumerator> result(this); + result.forget(aResult); + return NS_OK; +} + +nsresult JSEnumerator::Next(JSContext* aCx, JS::MutableHandleValue aResult) { + RootedDictionary<IteratorResult> result(aCx); + + nsCOMPtr<nsISupports> elem; + if (NS_FAILED(mEnumerator->GetNext(getter_AddRefs(elem)))) { + result.mDone = true; + } else { + result.mDone = false; + + JS::RootedValue value(aCx); + MOZ_TRY(nsContentUtils::WrapNative(aCx, elem, &mIID, &value)); + result.mValue = value; + } + + if (!ToJSValue(aCx, result, aResult)) { + return NS_ERROR_OUT_OF_MEMORY; + } + return NS_OK; +} + +NS_IMPL_ISUPPORTS(JSEnumerator, nsIJSEnumerator) + +nsresult nsSimpleEnumerator::Iterator(nsIJSEnumerator** aResult) { + auto result = MakeRefPtr<JSEnumerator>(this, DefaultInterface()); + result.forget(aResult); + return NS_OK; +} + +nsresult nsSimpleEnumerator::Entries(const nsIID& aIface, + nsIJSEnumerator** aResult) { + auto result = MakeRefPtr<JSEnumerator>(this, aIface); + result.forget(aResult); + return NS_OK; +} + +NS_IMPL_ISUPPORTS(nsSimpleEnumerator, nsISimpleEnumerator, + nsISimpleEnumeratorBase) |