From 6bf0a5cb5034a7e684dcc3500e841785237ce2dd Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 19:32:43 +0200 Subject: Adding upstream version 1:115.7.0. Signed-off-by: Daniel Baumann --- dom/fs/shared/TargetPtrHolder.h | 58 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 58 insertions(+) create mode 100644 dom/fs/shared/TargetPtrHolder.h (limited to 'dom/fs/shared/TargetPtrHolder.h') diff --git a/dom/fs/shared/TargetPtrHolder.h b/dom/fs/shared/TargetPtrHolder.h new file mode 100644 index 0000000000..952fc075b9 --- /dev/null +++ b/dom/fs/shared/TargetPtrHolder.h @@ -0,0 +1,58 @@ +/* -*- 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 DOM_FS_SHARED_TARGETPTRHOLDER_H_ +#define DOM_FS_SHARED_TARGETPTRHOLDER_H_ + +#include "mozilla/RefPtr.h" +#include "nsCOMPtr.h" +#include "nsThreadUtils.h" + +namespace mozilla::dom::fs { + +// TODO: Remove this ad hoc class when bug 1805830 is fixed. +template +class TargetPtrHolder { + public: + MOZ_IMPLICIT TargetPtrHolder(T* aRawPtr) + : mTarget(GetCurrentSerialEventTarget()), mPtr(aRawPtr) { + MOZ_ASSERT(mPtr); + } + + TargetPtrHolder(const TargetPtrHolder&) = default; + + TargetPtrHolder& operator=(const TargetPtrHolder&) = default; + + TargetPtrHolder(TargetPtrHolder&&) = default; + + TargetPtrHolder& operator=(TargetPtrHolder&&) = default; + + ~TargetPtrHolder() { + if (!mPtr) { + return; + } + + NS_ProxyRelease("TargetPtrHolder::mPtr", mTarget, mPtr.forget()); + } + + T* get() const { + MOZ_ASSERT(mPtr); + + return mPtr.get(); + } + + T* operator->() const MOZ_NO_ADDREF_RELEASE_ON_RETURN { return get(); } + + bool operator!() { return !mPtr.get(); } + + private: + nsCOMPtr mTarget; + RefPtr mPtr; +}; + +} // namespace mozilla::dom::fs + +#endif // DOM_FS_SHARED_TARGETPTRHOLDER_H_ -- cgit v1.2.3