52 lines
1.6 KiB
C++
52 lines
1.6 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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#ifndef mozilla_a11y_MsaaRootAccessible_h__
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#define mozilla_a11y_MsaaRootAccessible_h__
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#include "mozilla/mscom/Aggregation.h"
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#include "MsaaDocAccessible.h"
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#include "UiaRoot.h"
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namespace mozilla {
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namespace a11y {
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class RootAccessible;
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class MsaaRootAccessible : public MsaaDocAccessible, public UiaRoot {
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public:
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explicit MsaaRootAccessible(Accessible* aAcc)
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: MsaaDocAccessible(aAcc), mOuter(&mInternalUnknown) {}
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/**
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* This method enables a RootAccessibleWrap to be wrapped by a
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* LazyInstantiator.
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*
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* @param aOuter The IUnknown of the object that is wrapping this
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* RootAccessibleWrap, or nullptr to unwrap the aOuter from
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* a previous call.
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* @return This objects own IUnknown (as opposed to aOuter's IUnknown).
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*/
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already_AddRefed<IUnknown> Aggregate(IUnknown* aOuter);
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/**
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* @return This object's own IUnknown, as opposed to its wrapper's IUnknown
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* which is what would be returned by QueryInterface(IID_IUnknown).
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*/
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already_AddRefed<IUnknown> GetInternalUnknown();
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private:
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// DECLARE_AGGREGATABLE declares the internal IUnknown methods as well as
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// mInternalUnknown.
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DECLARE_AGGREGATABLE(MsaaRootAccessible);
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IUnknown* mOuter;
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RootAccessible* RootAcc();
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};
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} // namespace a11y
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} // namespace mozilla
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#endif
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