diff options
Diffstat (limited to 'accessible/ipc/win/COMPtrTypes.cpp')
-rw-r--r-- | accessible/ipc/win/COMPtrTypes.cpp | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/accessible/ipc/win/COMPtrTypes.cpp b/accessible/ipc/win/COMPtrTypes.cpp new file mode 100644 index 000000000..857f4235e --- /dev/null +++ b/accessible/ipc/win/COMPtrTypes.cpp @@ -0,0 +1,50 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=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 "mozilla/a11y/COMPtrTypes.h" + +#include "MainThreadUtils.h" +#include "mozilla/a11y/Accessible.h" +#include "mozilla/Move.h" +#include "mozilla/mscom/MainThreadHandoff.h" +#include "mozilla/RefPtr.h" + +using mozilla::mscom::MainThreadHandoff; +using mozilla::mscom::STAUniquePtr; + +namespace mozilla { +namespace a11y { + +IAccessibleHolder +CreateHolderFromAccessible(Accessible* aAccToWrap) +{ + MOZ_ASSERT(aAccToWrap && NS_IsMainThread()); + if (!aAccToWrap) { + return nullptr; + } + + IAccessible* rawNative = nullptr; + aAccToWrap->GetNativeInterface((void**)&rawNative); + MOZ_ASSERT(rawNative); + if (!rawNative) { + return nullptr; + } + + STAUniquePtr<IAccessible> iaToProxy(rawNative); + + IAccessible* rawIntercepted = nullptr; + HRESULT hr = MainThreadHandoff::WrapInterface(Move(iaToProxy), &rawIntercepted); + MOZ_ASSERT(SUCCEEDED(hr)); + if (FAILED(hr)) { + return nullptr; + } + + IAccessibleHolder::COMPtrType iaIntercepted(rawIntercepted); + return IAccessibleHolder(Move(iaIntercepted)); +} + +} // namespace a11y +} // namespace mozilla |