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-rw-r--r--accessible/generic/Accessible-inl.h134
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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_Accessible_inl_h_
+#define mozilla_a11y_Accessible_inl_h_
+
+#include "DocAccessible.h"
+#include "ARIAMap.h"
+#include "nsCoreUtils.h"
+#include "mozilla/dom/Element.h"
+#include "mozilla/PresShell.h"
+
+#ifdef A11Y_LOG
+# include "Logging.h"
+#endif
+
+namespace mozilla {
+namespace a11y {
+
+inline mozilla::a11y::role Accessible::Role() const {
+ const nsRoleMapEntry* roleMapEntry = ARIARoleMap();
+ if (!roleMapEntry || roleMapEntry->roleRule != kUseMapRole)
+ return ARIATransformRole(NativeRole());
+
+ return ARIATransformRole(roleMapEntry->role);
+}
+
+inline bool Accessible::HasARIARole() const {
+ return mRoleMapEntryIndex != aria::NO_ROLE_MAP_ENTRY_INDEX;
+}
+
+inline bool Accessible::IsARIARole(nsAtom* aARIARole) const {
+ const nsRoleMapEntry* roleMapEntry = ARIARoleMap();
+ return roleMapEntry && roleMapEntry->Is(aARIARole);
+}
+
+inline bool Accessible::HasStrongARIARole() const {
+ const nsRoleMapEntry* roleMapEntry = ARIARoleMap();
+ return roleMapEntry && roleMapEntry->roleRule == kUseMapRole;
+}
+
+inline const nsRoleMapEntry* Accessible::ARIARoleMap() const {
+ return aria::GetRoleMapFromIndex(mRoleMapEntryIndex);
+}
+
+inline mozilla::a11y::role Accessible::ARIARole() {
+ const nsRoleMapEntry* roleMapEntry = ARIARoleMap();
+ if (!roleMapEntry || roleMapEntry->roleRule != kUseMapRole)
+ return mozilla::a11y::roles::NOTHING;
+
+ return ARIATransformRole(roleMapEntry->role);
+}
+
+inline void Accessible::SetRoleMapEntry(const nsRoleMapEntry* aRoleMapEntry) {
+ mRoleMapEntryIndex = aria::GetIndexFromRoleMap(aRoleMapEntry);
+}
+
+inline bool Accessible::IsSearchbox() const {
+ const nsRoleMapEntry* roleMapEntry = ARIARoleMap();
+ return (roleMapEntry && roleMapEntry->Is(nsGkAtoms::searchbox)) ||
+ (mContent->IsHTMLElement(nsGkAtoms::input) &&
+ mContent->AsElement()->AttrValueIs(kNameSpaceID_None, nsGkAtoms::type,
+ nsGkAtoms::search, eCaseMatters));
+}
+
+inline bool Accessible::HasGenericType(AccGenericType aType) const {
+ const nsRoleMapEntry* roleMapEntry = ARIARoleMap();
+ return (mGenericTypes & aType) ||
+ (roleMapEntry && roleMapEntry->IsOfType(aType));
+}
+
+inline bool Accessible::NativeHasNumericValue() const {
+ return mStateFlags & eHasNumericValue;
+}
+
+inline bool Accessible::ARIAHasNumericValue() const {
+ const nsRoleMapEntry* roleMapEntry = ARIARoleMap();
+ if (!roleMapEntry || roleMapEntry->valueRule == eNoValue) return false;
+
+ if (roleMapEntry->valueRule == eHasValueMinMaxIfFocusable)
+ return InteractiveState() & states::FOCUSABLE;
+
+ return true;
+}
+
+inline bool Accessible::HasNumericValue() const {
+ return NativeHasNumericValue() || ARIAHasNumericValue();
+}
+
+inline bool Accessible::IsDefunct() const {
+ MOZ_ASSERT(mStateFlags & eIsDefunct || IsApplication() || IsDoc() ||
+ mStateFlags & eSharedNode || mContent,
+ "No content");
+ return mStateFlags & eIsDefunct;
+}
+
+inline void Accessible::ScrollTo(uint32_t aHow) const {
+ if (mContent) {
+ RefPtr<PresShell> presShell = mDoc->PresShellPtr();
+ nsCOMPtr<nsIContent> content = mContent;
+ nsCoreUtils::ScrollTo(presShell, content, aHow);
+ }
+}
+
+inline bool Accessible::InsertAfter(Accessible* aNewChild,
+ Accessible* aRefChild) {
+ MOZ_ASSERT(aNewChild, "No new child to insert");
+
+ if (aRefChild && aRefChild->Parent() != this) {
+#ifdef A11Y_LOG
+ logging::TreeInfo("broken accessible tree", 0, "parent", this,
+ "prev sibling parent", aRefChild->Parent(), "child",
+ aNewChild, nullptr);
+ if (logging::IsEnabled(logging::eVerbose)) {
+ logging::Tree("TREE", "Document tree", mDoc);
+ logging::DOMTree("TREE", "DOM document tree", mDoc);
+ }
+#endif
+ MOZ_ASSERT_UNREACHABLE("Broken accessible tree");
+ mDoc->UnbindFromDocument(aNewChild);
+ return false;
+ }
+
+ return InsertChildAt(aRefChild ? aRefChild->IndexInParent() + 1 : 0,
+ aNewChild);
+}
+
+} // namespace a11y
+} // namespace mozilla
+
+#endif