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/* -*- 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/. */

#ifndef mozilla_a11y_uiaRawElmProvider_h__
#define mozilla_a11y_uiaRawElmProvider_h__

#include "objbase.h"
#include "AccessibleWrap.h"
#include "IUnknownImpl.h"
#include "uiautomation.h"

namespace mozilla {
namespace a11y {

class AccessibleWrap;

/**
 * IRawElementProviderSimple implementation (maintains IAccessibleEx approach).
 */
class uiaRawElmProvider final : public IAccessibleEx,
                                public IRawElementProviderSimple {
 public:
  explicit uiaRawElmProvider(AccessibleWrap* aAcc) : mAcc(aAcc) {}

  // IUnknown
  DECL_IUNKNOWN

  // IAccessibleEx
  virtual HRESULT STDMETHODCALLTYPE GetObjectForChild(
      /* [in] */ long aIdChild,
      /* [retval][out] */ __RPC__deref_out_opt IAccessibleEx** aAccEx);

  virtual HRESULT STDMETHODCALLTYPE GetIAccessiblePair(
      /* [out] */ __RPC__deref_out_opt IAccessible** aAcc,
      /* [out] */ __RPC__out long* aIdChild);

  virtual HRESULT STDMETHODCALLTYPE GetRuntimeId(
      /* [retval][out] */ __RPC__deref_out_opt SAFEARRAY** aRuntimeIds);

  virtual HRESULT STDMETHODCALLTYPE ConvertReturnedElement(
      /* [in] */ __RPC__in_opt IRawElementProviderSimple* aRawElmProvider,
      /* [out] */ __RPC__deref_out_opt IAccessibleEx** aAccEx);

  // IRawElementProviderSimple
  virtual /* [propget] */ HRESULT STDMETHODCALLTYPE get_ProviderOptions(
      /* [retval][out] */ __RPC__out enum ProviderOptions* aProviderOptions);

  virtual HRESULT STDMETHODCALLTYPE GetPatternProvider(
      /* [in] */ PATTERNID aPatternId,
      /* [retval][out] */ __RPC__deref_out_opt IUnknown** aPatternProvider);

  virtual HRESULT STDMETHODCALLTYPE GetPropertyValue(
      /* [in] */ PROPERTYID aPropertyId,
      /* [retval][out] */ __RPC__out VARIANT* aPropertyValue);

  virtual /* [propget] */ HRESULT STDMETHODCALLTYPE get_HostRawElementProvider(
      /* [retval][out] */ __RPC__deref_out_opt IRawElementProviderSimple**
          aRawElmProvider);

 private:
  uiaRawElmProvider() = delete;
  uiaRawElmProvider& operator=(const uiaRawElmProvider&) = delete;
  uiaRawElmProvider(const uiaRawElmProvider&) = delete;

 protected:
  RefPtr<AccessibleWrap> mAcc;
};

}  // namespace a11y
}  // namespace mozilla

#endif