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/* -*- 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 mozilla_a11y_MsaaRootAccessible_h__
#define mozilla_a11y_MsaaRootAccessible_h__
#include "mozilla/mscom/Aggregation.h"
#include "MsaaDocAccessible.h"
namespace mozilla {
namespace a11y {
class MsaaRootAccessible : public MsaaDocAccessible {
public:
explicit MsaaRootAccessible(Accessible* aAcc)
: MsaaDocAccessible(aAcc), mOuter(&mInternalUnknown) {}
/**
* This method enables a RootAccessibleWrap to be wrapped by a
* LazyInstantiator.
*
* @param aOuter The IUnknown of the object that is wrapping this
* RootAccessibleWrap, or nullptr to unwrap the aOuter from
* a previous call.
* @return This objects own IUnknown (as opposed to aOuter's IUnknown).
*/
already_AddRefed<IUnknown> Aggregate(IUnknown* aOuter);
/**
* @return This object's own IUnknown, as opposed to its wrapper's IUnknown
* which is what would be returned by QueryInterface(IID_IUnknown).
*/
already_AddRefed<IUnknown> GetInternalUnknown();
virtual /* [id] */ HRESULT STDMETHODCALLTYPE accNavigate(
/* [in] */ long navDir,
/* [optional][in] */ VARIANT varStart,
/* [retval][out] */ VARIANT __RPC_FAR* pvarEndUpAt) override;
private:
// DECLARE_AGGREGATABLE declares the internal IUnknown methods as well as
// mInternalUnknown.
DECLARE_AGGREGATABLE(MsaaRootAccessible);
IUnknown* mOuter;
RootAccessible* RootAcc();
};
} // namespace a11y
} // namespace mozilla
#endif
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