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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_
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