The Tor Browser: accessible/src/windows/msaa/EnumVariant.h@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

     2 /* vim: set ts=2 et sw=2 tw=80: */

     3 /* This Source Code Form is subject to the terms of the Mozilla Public

     4  * License, v. 2.0. If a copy of the MPL was not distributed with this file,

     5  * You can obtain one at http://mozilla.org/MPL/2.0/. */

     7 #ifndef mozilla_a11y_EnumVariant_h__

     8 #define mozilla_a11y_EnumVariant_h__

    10 #include "AccessibleWrap.h"

    11 #include "IUnknownImpl.h"

    13 namespace mozilla {

    14 namespace a11y {

    16 /**

    17  * Used to fetch accessible children.

    18  */

    19 class ChildrenEnumVariant MOZ_FINAL : public IEnumVARIANT

    20 {

    21 public:

    22   ChildrenEnumVariant(AccessibleWrap* aAnchor) : mAnchorAcc(aAnchor),

    23     mCurAcc(mAnchorAcc->GetChildAt(0)), mCurIndex(0) { }

    25   // IUnknown

    26   DECL_IUNKNOWN

    28   // IEnumVariant

    29   virtual /* [local] */ HRESULT STDMETHODCALLTYPE Next(

    30     /* [in] */ ULONG aCount,

    31     /* [length_is][size_is][out] */ VARIANT* aItems,

    32     /* [out] */ ULONG* aCountFetched);

    34   virtual HRESULT STDMETHODCALLTYPE Skip(

    35     /* [in] */ ULONG aCount);

    37   virtual HRESULT STDMETHODCALLTYPE Reset();

    39   virtual HRESULT STDMETHODCALLTYPE Clone(

    40     /* [out] */ IEnumVARIANT** aEnumVaraint);

    42 private:

    43   ChildrenEnumVariant() MOZ_DELETE;

    44   ChildrenEnumVariant& operator =(const ChildrenEnumVariant&) MOZ_DELETE;

    46   ChildrenEnumVariant(const ChildrenEnumVariant& aEnumVariant) :

    47     mAnchorAcc(aEnumVariant.mAnchorAcc), mCurAcc(aEnumVariant.mCurAcc),

    48     mCurIndex(aEnumVariant.mCurIndex) { }

    49   virtual ~ChildrenEnumVariant() { }

    51 protected:

    52   nsRefPtr<AccessibleWrap> mAnchorAcc;

    53   Accessible* mCurAcc;

    54   uint32_t mCurIndex;

    55 };

    57 } // a11y namespace

    58 } // mozilla namespace

    60 #endif

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