accessible/windows/ia2/ia2AccessibleRelation.h
author Sylvestre Ledru <sledru@mozilla.com>
Fri, 24 Feb 2017 17:04:50 +0100
changeset 489671 05d9746016f47666c00390aacc9f9d62c8ffffb4
parent 489668 cbb8fdf1daf98a15f7d57f6b08d273bdf96aa1a0
permissions -rw-r--r--
Move to 99 chars instead of 80 MozReview-Commit-ID: 6NxbMuFVI7e

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:expandtab:shiftwidth=2:tabstop=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 _NS_ACCESSIBLE_RELATION_WRAP_H
#define _NS_ACCESSIBLE_RELATION_WRAP_H

#include "Accessible.h"
#include "IUnknownImpl.h"

#include <utility>
#include "nsTArray.h"

#include "AccessibleRelation.h"

namespace mozilla {
namespace a11y {

class ia2AccessibleRelation final : public IAccessibleRelation
{
public:
  ia2AccessibleRelation(RelationType aType, Relation* aRel);

  ia2AccessibleRelation(RelationType aType, nsTArray<RefPtr<Accessible>>&& aTargets)
    : mType(aType)
    , mTargets(Move(aTargets))
  {
  }

  // IUnknown
  DECL_IUNKNOWN

  // IAccessibleRelation
  virtual /* [propget] */ HRESULT STDMETHODCALLTYPE get_relationType(
    /* [retval][out] */ BSTR* relationType);

  virtual /* [propget] */ HRESULT STDMETHODCALLTYPE get_localizedRelationType(
    /* [retval][out] */ BSTR* localizedRelationType);

  virtual /* [propget] */ HRESULT STDMETHODCALLTYPE get_nTargets(
    /* [retval][out] */ long* nTargets);

  virtual /* [propget] */ HRESULT STDMETHODCALLTYPE get_target(
    /* [in] */ long targetIndex,
    /* [retval][out] */ IUnknown** target);

  virtual /* [propget] */ HRESULT STDMETHODCALLTYPE get_targets(
    /* [in] */ long maxTargets,
    /* [length_is][size_is][out] */ IUnknown** target,
    /* [retval][out] */ long* nTargets);

  inline bool HasTargets() const { return mTargets.Length(); }

private:
  ia2AccessibleRelation();
  ia2AccessibleRelation(const ia2AccessibleRelation&);
  ia2AccessibleRelation& operator=(const ia2AccessibleRelation&);

  RelationType mType;
  nsTArray<RefPtr<Accessible>> mTargets;
};

/**
 * Gecko to IAccessible2 relation types map.
 */

const WCHAR* const IA2_RELATION_NULL = L"";

#define RELATIONTYPE(geckoType, name, atkType, msaaType, ia2Type)                                 \
  std::pair<RelationType, const WCHAR* const>(RelationType::geckoType, ia2Type),

static const std::pair<RelationType, const WCHAR* const> sRelationTypePairs[] = {
#include "RelationTypeMap.h"
};

#undef RELATIONTYPE

} // namespace a11y
} // namespace mozilla

#endif