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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
commit36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree105e8c98ddea1c1e4784a60a5a6410fa416be2de /accessible/generic/BaseAccessibles.cpp
parentInitial commit. (diff)
downloadfirefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz
firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip
Adding upstream version 115.7.0esr.upstream/115.7.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'accessible/generic/BaseAccessibles.cpp')
-rw-r--r--accessible/generic/BaseAccessibles.cpp149
1 files changed, 149 insertions, 0 deletions
diff --git a/accessible/generic/BaseAccessibles.cpp b/accessible/generic/BaseAccessibles.cpp
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+/* -*- 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 "BaseAccessibles.h"
+
+#include "LocalAccessible-inl.h"
+#include "HyperTextAccessibleWrap.h"
+#include "nsAccessibilityService.h"
+#include "nsAccUtils.h"
+#include "nsCoreUtils.h"
+#include "Role.h"
+#include "States.h"
+#include "nsIURI.h"
+
+using namespace mozilla::a11y;
+
+////////////////////////////////////////////////////////////////////////////////
+// LeafAccessible
+////////////////////////////////////////////////////////////////////////////////
+
+LeafAccessible::LeafAccessible(nsIContent* aContent, DocAccessible* aDoc)
+ : AccessibleWrap(aContent, aDoc) {
+ mStateFlags |= eNoKidsFromDOM;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// LeafAccessible: LocalAccessible public
+
+LocalAccessible* LeafAccessible::LocalChildAtPoint(
+ int32_t aX, int32_t aY, EWhichChildAtPoint aWhichChild) {
+ // Don't walk into leaf accessibles.
+ return this;
+}
+
+bool LeafAccessible::InsertChildAt(uint32_t aIndex, LocalAccessible* aChild) {
+ MOZ_ASSERT_UNREACHABLE("InsertChildAt called on leaf accessible!");
+ return false;
+}
+
+bool LeafAccessible::RemoveChild(LocalAccessible* aChild) {
+ MOZ_ASSERT_UNREACHABLE("RemoveChild called on leaf accessible!");
+ return false;
+}
+
+bool LeafAccessible::IsAcceptableChild(nsIContent* aEl) const {
+ // No children for leaf accessible.
+ return false;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// LinkableAccessible
+////////////////////////////////////////////////////////////////////////////////
+
+////////////////////////////////////////////////////////////////////////////////
+// LinkableAccessible. nsIAccessible
+
+void LinkableAccessible::TakeFocus() const {
+ if (const LocalAccessible* actionAcc = ActionWalk()) {
+ actionAcc->TakeFocus();
+ } else {
+ AccessibleWrap::TakeFocus();
+ }
+}
+
+uint64_t LinkableAccessible::NativeLinkState() const {
+ bool isLink;
+ const LocalAccessible* actionAcc = ActionWalk(&isLink);
+ if (isLink) {
+ return states::LINKED | (actionAcc->LinkState() & states::TRAVERSED);
+ }
+
+ return 0;
+}
+
+void LinkableAccessible::Value(nsString& aValue) const {
+ aValue.Truncate();
+
+ LocalAccessible::Value(aValue);
+ if (!aValue.IsEmpty()) {
+ return;
+ }
+
+ bool isLink;
+ const LocalAccessible* actionAcc = ActionWalk(&isLink);
+ if (isLink) {
+ actionAcc->Value(aValue);
+ }
+}
+
+const LocalAccessible* LinkableAccessible::ActionWalk(bool* aIsLink,
+ bool* aIsOnclick) const {
+ if (aIsOnclick) {
+ *aIsOnclick = false;
+ }
+ if (aIsLink) {
+ *aIsLink = false;
+ }
+
+ if (HasPrimaryAction()) {
+ if (aIsOnclick) {
+ *aIsOnclick = true;
+ }
+
+ return nullptr;
+ }
+
+ const Accessible* actionAcc = ActionAncestor();
+
+ const LocalAccessible* localAction =
+ actionAcc ? const_cast<Accessible*>(actionAcc)->AsLocal() : nullptr;
+
+ if (!localAction) {
+ return nullptr;
+ }
+
+ if (localAction->LinkState() & states::LINKED) {
+ if (aIsLink) {
+ *aIsLink = true;
+ }
+ } else if (aIsOnclick) {
+ *aIsOnclick = true;
+ }
+
+ return localAction;
+}
+
+KeyBinding LinkableAccessible::AccessKey() const {
+ if (const LocalAccessible* actionAcc =
+ const_cast<LinkableAccessible*>(this)->ActionWalk()) {
+ return actionAcc->AccessKey();
+ }
+
+ return LocalAccessible::AccessKey();
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// DummyAccessible
+////////////////////////////////////////////////////////////////////////////////
+
+uint64_t DummyAccessible::NativeState() const { return 0; }
+uint64_t DummyAccessible::NativeInteractiveState() const { return 0; }
+
+uint64_t DummyAccessible::NativeLinkState() const { return 0; }
+
+bool DummyAccessible::NativelyUnavailable() const { return false; }
+
+void DummyAccessible::ApplyARIAState(uint64_t* aState) const {}