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-rw-r--r--accessible/windows/sdn/sdnAccessible.h149
1 files changed, 149 insertions, 0 deletions
diff --git a/accessible/windows/sdn/sdnAccessible.h b/accessible/windows/sdn/sdnAccessible.h
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+++ b/accessible/windows/sdn/sdnAccessible.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_sdnAccessible_h_
+#define mozilla_a11y_sdnAccessible_h_
+
+#include "ISimpleDOM.h"
+#include "AccessibleWrap.h"
+#include "IUnknownImpl.h"
+#include "MsaaAccessible.h"
+
+#include "mozilla/Attributes.h"
+#include "mozilla/Maybe.h"
+#include "mozilla/NotNull.h"
+
+namespace mozilla {
+namespace a11y {
+
+class sdnAccessible final : public ISimpleDOMNode {
+ public:
+ explicit sdnAccessible(nsINode* aNode) : mNode(aNode) {
+ if (!mNode) MOZ_CRASH();
+ }
+
+ explicit sdnAccessible(NotNull<MsaaAccessible*> aMsaa) : mMsaa(aMsaa) {
+ Accessible* acc = aMsaa->Acc();
+ MOZ_ASSERT(acc);
+ if (LocalAccessible* localAcc = acc->AsLocal()) {
+ mNode = localAcc->GetNode();
+ }
+ }
+
+ ~sdnAccessible();
+
+ /**
+ * Return if the object is defunct.
+ */
+ bool IsDefunct() const {
+ if (mMsaa && !mMsaa->Acc()) {
+ return true;
+ }
+ if (!mNode) {
+ MOZ_ASSERT(mMsaa && mMsaa->Acc()->IsRemote());
+ return false;
+ }
+ return !GetDocument();
+ }
+
+ /**
+ * Return a local document accessible it belongs to if any.
+ */
+ DocAccessible* GetDocument() const;
+
+ /*
+ * Return associated MsaaAccessible if any.
+ */
+ MsaaAccessible* GetMsaa();
+
+ void SetUniqueID(uint32_t aNewUniqueId) { mUniqueId = Some(aNewUniqueId); }
+
+ Maybe<uint32_t> ReleaseUniqueID() {
+ Maybe<uint32_t> result = mUniqueId;
+ mUniqueId = Nothing();
+ return result;
+ }
+
+ // IUnknown
+ DECL_IUNKNOWN
+
+ virtual /* [id][propget] */ HRESULT STDMETHODCALLTYPE get_nodeInfo(
+ /* [out] */ BSTR __RPC_FAR* aNodeName,
+ /* [out] */ short __RPC_FAR* aNameSpaceID,
+ /* [out] */ BSTR __RPC_FAR* aNodeValue,
+ /* [out] */ unsigned int __RPC_FAR* aNumChildren,
+ /* [out] */ unsigned int __RPC_FAR* aUniqueID,
+ /* [out][retval] */ unsigned short __RPC_FAR* aNodeType);
+
+ virtual /* [id][propget] */ HRESULT STDMETHODCALLTYPE get_attributes(
+ /* [in] */ unsigned short aMaxAttribs,
+ /* [length_is][size_is][out] */ BSTR __RPC_FAR* aAttribNames,
+ /* [length_is][size_is][out] */ short __RPC_FAR* aNameSpaceIDs,
+ /* [length_is][size_is][out] */ BSTR __RPC_FAR* aAttribValues,
+ /* [out][retval] */ unsigned short __RPC_FAR* aNumAttribs);
+
+ virtual /* [id][propget] */ HRESULT STDMETHODCALLTYPE get_attributesForNames(
+ /* [in] */ unsigned short aMaxAttribs,
+ /* [length_is][size_is][in] */ BSTR __RPC_FAR* aAttribNames,
+ /* [length_is][size_is][in] */ short __RPC_FAR* aNameSpaceID,
+ /* [length_is][size_is][retval] */ BSTR __RPC_FAR* aAttribValues);
+
+ virtual /* [id][propget] */ HRESULT STDMETHODCALLTYPE get_computedStyle(
+ /* [in] */ unsigned short aMaxStyleProperties,
+ /* [in] */ boolean aUseAlternateView,
+ /* [length_is][size_is][out] */ BSTR __RPC_FAR* aStyleProperties,
+ /* [length_is][size_is][out] */ BSTR __RPC_FAR* aStyleValues,
+ /* [out][retval] */ unsigned short __RPC_FAR* aNumStyleProperties);
+
+ virtual /* [id][propget] */ HRESULT STDMETHODCALLTYPE
+ get_computedStyleForProperties(
+ /* [in] */ unsigned short aNumStyleProperties,
+ /* [in] */ boolean aUseAlternateView,
+ /* [length_is][size_is][in] */ BSTR __RPC_FAR* aStyleProperties,
+ /* [length_is][size_is][out][retval] */ BSTR __RPC_FAR* aStyleValues);
+
+ virtual HRESULT STDMETHODCALLTYPE scrollTo(/* [in] */ boolean aScrollTopLeft);
+
+ virtual /* [propget] */ HRESULT STDMETHODCALLTYPE get_parentNode(
+ /* [out][retval] */ ISimpleDOMNode __RPC_FAR* __RPC_FAR* aNode);
+
+ virtual /* [propget] */ HRESULT STDMETHODCALLTYPE get_firstChild(
+ /* [out][retval] */ ISimpleDOMNode __RPC_FAR* __RPC_FAR* aNode);
+
+ virtual /* [propget] */ HRESULT STDMETHODCALLTYPE get_lastChild(
+ /* [out][retval] */ ISimpleDOMNode __RPC_FAR* __RPC_FAR* aNode);
+
+ virtual /* [propget] */ HRESULT STDMETHODCALLTYPE get_previousSibling(
+ /* [out][retval] */ ISimpleDOMNode __RPC_FAR* __RPC_FAR* aNode);
+
+ virtual /* [propget] */ HRESULT STDMETHODCALLTYPE get_nextSibling(
+ /* [out][retval] */ ISimpleDOMNode __RPC_FAR* __RPC_FAR* aNode);
+
+ virtual /* [propget] */ HRESULT STDMETHODCALLTYPE get_childAt(
+ /* [in] */ unsigned aChildIndex,
+ /* [out][retval] */ ISimpleDOMNode __RPC_FAR* __RPC_FAR* aNode);
+
+ virtual /* [propget] */ HRESULT STDMETHODCALLTYPE get_innerHTML(
+ /* [out][retval] */ BSTR __RPC_FAR* aInnerHTML);
+
+ virtual /* [local][propget] */ HRESULT STDMETHODCALLTYPE get_localInterface(
+ /* [retval][out] */ void __RPC_FAR* __RPC_FAR* aLocalInterface);
+
+ virtual /* [propget] */ HRESULT STDMETHODCALLTYPE get_language(
+ /* [out][retval] */ BSTR __RPC_FAR* aLanguage);
+
+ private:
+ // mNode will be null for a RemoteAccessible. In that case, we only partially
+ // implement this interface using data from the RemoteAccessible cache.
+ nsCOMPtr<nsINode> mNode;
+ RefPtr<MsaaAccessible> mMsaa;
+ Maybe<uint32_t> mUniqueId;
+};
+
+} // namespace a11y
+} // namespace mozilla
+
+#endif // mozilla_a11y_sdnAccessible_h_