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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /accessible/windows/msaa/EnumVariant.h
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'accessible/windows/msaa/EnumVariant.h')
-rw-r--r--accessible/windows/msaa/EnumVariant.h60
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diff --git a/accessible/windows/msaa/EnumVariant.h b/accessible/windows/msaa/EnumVariant.h
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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_EnumVariant_h__
+#define mozilla_a11y_EnumVariant_h__
+
+#include "AccessibleWrap.h"
+#include "IUnknownImpl.h"
+
+namespace mozilla {
+namespace a11y {
+
+/**
+ * Used to fetch accessible children.
+ */
+class ChildrenEnumVariant final : public IEnumVARIANT
+{
+public:
+ ChildrenEnumVariant(AccessibleWrap* aAnchor) : mAnchorAcc(aAnchor),
+ mCurAcc(mAnchorAcc->GetChildAt(0)), mCurIndex(0) { }
+
+ // IUnknown
+ DECL_IUNKNOWN
+
+ // IEnumVariant
+ virtual /* [local] */ HRESULT STDMETHODCALLTYPE Next(
+ /* [in] */ ULONG aCount,
+ /* [length_is][size_is][out] */ VARIANT* aItems,
+ /* [out] */ ULONG* aCountFetched);
+
+ virtual HRESULT STDMETHODCALLTYPE Skip(
+ /* [in] */ ULONG aCount);
+
+ virtual HRESULT STDMETHODCALLTYPE Reset();
+
+ virtual HRESULT STDMETHODCALLTYPE Clone(
+ /* [out] */ IEnumVARIANT** aEnumVaraint);
+
+private:
+ ChildrenEnumVariant() = delete;
+ ChildrenEnumVariant& operator =(const ChildrenEnumVariant&) = delete;
+
+ ChildrenEnumVariant(const ChildrenEnumVariant& aEnumVariant) :
+ mAnchorAcc(aEnumVariant.mAnchorAcc), mCurAcc(aEnumVariant.mCurAcc),
+ mCurIndex(aEnumVariant.mCurIndex) { }
+ virtual ~ChildrenEnumVariant() { }
+
+protected:
+ RefPtr<AccessibleWrap> mAnchorAcc;
+ Accessible* mCurAcc;
+ uint32_t mCurIndex;
+};
+
+} // a11y namespace
+} // mozilla namespace
+
+#endif