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 --- accessible/windows/msaa/MsaaRootAccessible.cpp | 67 ++++++++++++++++++++++++++ 1 file changed, 67 insertions(+) create mode 100644 accessible/windows/msaa/MsaaRootAccessible.cpp (limited to 'accessible/windows/msaa/MsaaRootAccessible.cpp') diff --git a/accessible/windows/msaa/MsaaRootAccessible.cpp b/accessible/windows/msaa/MsaaRootAccessible.cpp new file mode 100644 index 0000000000..ac747ff3d1 --- /dev/null +++ b/accessible/windows/msaa/MsaaRootAccessible.cpp @@ -0,0 +1,67 @@ +/* -*- 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/. */ + +#include "mozilla/a11y/DocAccessibleParent.h" +#include "mozilla/dom/BrowserParent.h" +#include "mozilla/WindowsVersion.h" +#include "MsaaRootAccessible.h" +#include "Relation.h" +#include "RootAccessible.h" +#include "EnumVariant.h" + +#include + +using namespace mozilla; +using namespace mozilla::a11y; + +RootAccessible* MsaaRootAccessible::RootAcc() { + return static_cast(LocalAcc()); +} + +//////////////////////////////////////////////////////////////////////////////// +// Aggregated IUnknown +HRESULT +MsaaRootAccessible::InternalQueryInterface(REFIID aIid, void** aOutInterface) { + if (!aOutInterface) { + return E_INVALIDARG; + } + + // InternalQueryInterface should always return its internal unknown + // when queried for IID_IUnknown... + if (aIid == IID_IUnknown) { + RefPtr punk(&mInternalUnknown); + punk.forget(aOutInterface); + return S_OK; + } + + // ...Otherwise we pass through to the base COM implementation of + // QueryInterface which is provided by MsaaDocAccessible. + return MsaaDocAccessible::QueryInterface(aIid, aOutInterface); +} + +ULONG +MsaaRootAccessible::InternalAddRef() { return MsaaDocAccessible::AddRef(); } + +ULONG +MsaaRootAccessible::InternalRelease() { return MsaaDocAccessible::Release(); } + +already_AddRefed MsaaRootAccessible::Aggregate(IUnknown* aOuter) { + MOZ_ASSERT(mOuter && + (mOuter == &mInternalUnknown || mOuter == aOuter || !aOuter)); + if (!aOuter) { + // If there is no aOuter then we should always set mOuter to + // mInternalUnknown. This is standard COM aggregation stuff. + mOuter = &mInternalUnknown; + return nullptr; + } + + mOuter = aOuter; + return GetInternalUnknown(); +} + +already_AddRefed MsaaRootAccessible::GetInternalUnknown() { + RefPtr result(&mInternalUnknown); + return result.forget(); +} -- cgit v1.2.3