зеркало из https://github.com/mozilla/gecko-dev.git
150 строки
5.2 KiB
C++
150 строки
5.2 KiB
C++
/* -*- 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_
|