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/media/PrincipalHandle.h | 62 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 62 insertions(+) create mode 100644 dom/media/PrincipalHandle.h (limited to 'dom/media/PrincipalHandle.h') diff --git a/dom/media/PrincipalHandle.h b/dom/media/PrincipalHandle.h new file mode 100644 index 0000000000..b4539c5e59 --- /dev/null +++ b/dom/media/PrincipalHandle.h @@ -0,0 +1,62 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* 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_MEDIA_PRINCIPALHANDLE_H_ +#define DOM_MEDIA_PRINCIPALHANDLE_H_ + +#include "nsIPrincipal.h" +#include "nsProxyRelease.h" + +namespace mozilla { +/** + * The level of privacy of a principal as considered by RTCPeerConnection. + */ +enum class PrincipalPrivacy : uint8_t { Private, NonPrivate }; + +/** + * We pass the principal through the MediaTrackGraph by wrapping it in a thread + * safe nsMainThreadPtrHandle, since it cannot be used directly off the main + * thread. We can compare two PrincipalHandles to each other on any thread, but + * they can only be created and converted back to nsIPrincipal* on main thread. + */ +typedef nsMainThreadPtrHandle PrincipalHandle; + +inline PrincipalHandle MakePrincipalHandle(nsIPrincipal* aPrincipal) { + RefPtr> holder = + new nsMainThreadPtrHolder( + "MakePrincipalHandle::nsIPrincipal", aPrincipal); + return PrincipalHandle(holder); +} + +#define PRINCIPAL_HANDLE_NONE nullptr + +inline nsIPrincipal* GetPrincipalFromHandle( + const PrincipalHandle& aPrincipalHandle) { + MOZ_ASSERT(NS_IsMainThread()); + return aPrincipalHandle.get(); +} + +inline bool PrincipalHandleMatches(const PrincipalHandle& aPrincipalHandle, + nsIPrincipal* aOther) { + if (!aOther) { + return false; + } + + nsIPrincipal* principal = GetPrincipalFromHandle(aPrincipalHandle); + if (!principal) { + return false; + } + + bool result; + if (NS_FAILED(principal->Equals(aOther, &result))) { + NS_ERROR("Principal check failed"); + return false; + } + + return result; +} +} // namespace mozilla + +#endif // DOM_MEDIA_PRINCIPALHANDLE_H_ -- cgit v1.2.3