50 lines
1.3 KiB
C++
50 lines
1.3 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/a11y/COMPtrTypes.h"
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#include "MainThreadUtils.h"
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#include "mozilla/a11y/Accessible.h"
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#include "mozilla/Move.h"
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#include "mozilla/mscom/MainThreadHandoff.h"
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#include "mozilla/RefPtr.h"
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using mozilla::mscom::MainThreadHandoff;
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using mozilla::mscom::STAUniquePtr;
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namespace mozilla {
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namespace a11y {
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IAccessibleHolder
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CreateHolderFromAccessible(Accessible* aAccToWrap)
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{
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MOZ_ASSERT(aAccToWrap && NS_IsMainThread());
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if (!aAccToWrap) {
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return nullptr;
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}
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IAccessible* rawNative = nullptr;
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aAccToWrap->GetNativeInterface((void**)&rawNative);
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MOZ_ASSERT(rawNative);
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if (!rawNative) {
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return nullptr;
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}
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STAUniquePtr<IAccessible> iaToProxy(rawNative);
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IAccessible* rawIntercepted = nullptr;
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HRESULT hr = MainThreadHandoff::WrapInterface(Move(iaToProxy), &rawIntercepted);
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MOZ_ASSERT(SUCCEEDED(hr));
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if (FAILED(hr)) {
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return nullptr;
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}
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IAccessibleHolder::COMPtrType iaIntercepted(rawIntercepted);
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return IAccessibleHolder(Move(iaIntercepted));
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}
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} // namespace a11y
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} // namespace mozilla
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