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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /accessible/aom/AccessibleNode.cpp | |
parent | Initial commit. (diff) | |
download | thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.tar.xz thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.zip |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'accessible/aom/AccessibleNode.cpp')
-rw-r--r-- | accessible/aom/AccessibleNode.cpp | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/accessible/aom/AccessibleNode.cpp b/accessible/aom/AccessibleNode.cpp new file mode 100644 index 0000000000..43cfcf8a47 --- /dev/null +++ b/accessible/aom/AccessibleNode.cpp @@ -0,0 +1,173 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* 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/. */ + +#include "AccessibleNode.h" +#include "mozilla/dom/AccessibleNodeBinding.h" +#include "mozilla/dom/BindingDeclarations.h" +#include "mozilla/dom/DOMStringList.h" +#include "mozilla/StaticPrefs_accessibility.h" +#include "nsContentUtils.h" +#include "nsISimpleEnumerator.h" + +#include "AccAttributes.h" +#include "LocalAccessible-inl.h" +#include "nsAccessibilityService.h" +#include "DocAccessible.h" + +#include "mozilla/dom/Document.h" // for inline nsINode::GetParentObject +#include "mozilla/dom/ToJSValue.h" + +using namespace mozilla; +using namespace mozilla::a11y; +using namespace mozilla::dom; + +bool AccessibleNode::IsAOMEnabled(JSContext* aCx, JSObject* /*unused*/) { + return nsContentUtils::IsSystemCaller(aCx) || + StaticPrefs::accessibility_AOM_enabled(); +} + +NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(AccessibleNode, mRelationProperties, + mIntl, mDOMNode, mStates) + +NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(AccessibleNode) + NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY + NS_INTERFACE_MAP_ENTRY(nsISupports) +NS_INTERFACE_MAP_END + +NS_IMPL_CYCLE_COLLECTING_ADDREF(AccessibleNode) +NS_IMPL_CYCLE_COLLECTING_RELEASE(AccessibleNode) + +AccessibleNode::AccessibleNode(nsINode* aNode) + : mDoubleProperties(3), + mIntProperties(3), + mUIntProperties(6), + mBooleanProperties(0), + mRelationProperties(3), + mStringProperties(16), + mDOMNode(aNode) { + nsAccessibilityService* accService = GetOrCreateAccService(); + if (!accService) { + return; + } + + DocAccessible* doc = accService->GetDocAccessible(mDOMNode->OwnerDoc()); + if (doc) { + mIntl = doc->GetAccessible(mDOMNode); + } +} + +AccessibleNode::~AccessibleNode() {} + +/* virtual */ +JSObject* AccessibleNode::WrapObject(JSContext* aCx, + JS::Handle<JSObject*> aGivenProto) { + return AccessibleNode_Binding::Wrap(aCx, this, aGivenProto); +} + +/* virtual */ +ParentObject AccessibleNode::GetParentObject() const { + return mDOMNode->GetParentObject(); +} + +void AccessibleNode::GetComputedRole(nsAString& aRole) { + if (mIntl) { + nsAccessibilityService* accService = GetOrCreateAccService(); + if (accService) { + accService->GetStringRole(mIntl->Role(), aRole); + return; + } + } + + aRole.AssignLiteral("unknown"); +} + +void AccessibleNode::GetStates(nsTArray<nsString>& aStates) { + nsAccessibilityService* accService = GetOrCreateAccService(); + if (!mIntl || !accService) { + aStates.AppendElement(u"defunct"_ns); + return; + } + + if (mStates) { + aStates = mStates->StringArray().Clone(); + return; + } + + mStates = accService->GetStringStates(mIntl->State()); + aStates = mStates->StringArray().Clone(); +} + +void AccessibleNode::GetAttributes(nsTArray<nsString>& aAttributes) { + if (!mIntl) { + return; + } + + RefPtr<AccAttributes> attrs = mIntl->Attributes(); + + for (const auto& iter : *attrs) { + aAttributes.AppendElement(nsAtomString(iter.Name())); + } +} + +bool AccessibleNode::Is(const Sequence<nsString>& aFlavors) { + nsAccessibilityService* accService = GetOrCreateAccService(); + if (!mIntl || !accService) { + for (const auto& flavor : aFlavors) { + if (!flavor.EqualsLiteral("unknown") && + !flavor.EqualsLiteral("defunct")) { + return false; + } + } + return true; + } + + nsAutoString role; + accService->GetStringRole(mIntl->Role(), role); + + if (!mStates) { + mStates = accService->GetStringStates(mIntl->State()); + } + + for (const auto& flavor : aFlavors) { + if (!flavor.Equals(role) && !mStates->Contains(flavor)) { + return false; + } + } + return true; +} + +bool AccessibleNode::Has(const Sequence<nsString>& aAttributes) { + if (!mIntl) { + return false; + } + RefPtr<AccAttributes> attrs = mIntl->Attributes(); + for (const auto& attr : aAttributes) { + RefPtr<nsAtom> attrAtom = NS_Atomize(attr); + if (!attrs->HasAttribute(attrAtom)) { + return false; + } + } + return true; +} + +void AccessibleNode::Get(JSContext* aCX, const nsAString& aAttribute, + JS::MutableHandle<JS::Value> aValue, + ErrorResult& aRv) { + if (!mIntl) { + aRv.ThrowInvalidStateError("No attributes available"); + return; + } + + RefPtr<nsAtom> attrAtom = NS_Atomize(aAttribute); + RefPtr<AccAttributes> attrs = mIntl->Attributes(); + nsAutoString valueStr; + attrs->GetAttribute(attrAtom, valueStr); + if (!ToJSValue(aCX, valueStr, aValue)) { + aRv.NoteJSContextException(aCX); + return; + } +} + +nsINode* AccessibleNode::GetDOMNode() { return mDOMNode; } |