mirror of
https://github.com/mozilla/gecko-dev.git
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151 lines
3.9 KiB
C++
151 lines
3.9 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_a11y_Accessible_inl_h_
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#define mozilla_a11y_Accessible_inl_h_
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#include "DocAccessible.h"
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#include "ARIAMap.h"
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#include "nsCoreUtils.h"
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#ifdef A11Y_LOG
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#include "Logging.h"
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#endif
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namespace mozilla {
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namespace a11y {
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inline mozilla::a11y::role
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Accessible::Role() const
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{
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const nsRoleMapEntry* roleMapEntry = ARIARoleMap();
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if (!roleMapEntry || roleMapEntry->roleRule != kUseMapRole)
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return ARIATransformRole(NativeRole());
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return ARIATransformRole(roleMapEntry->role);
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}
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inline bool
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Accessible::HasARIARole() const
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{
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return mRoleMapEntryIndex != aria::NO_ROLE_MAP_ENTRY_INDEX;
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}
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inline bool
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Accessible::IsARIARole(nsAtom* aARIARole) const
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{
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const nsRoleMapEntry* roleMapEntry = ARIARoleMap();
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return roleMapEntry && roleMapEntry->Is(aARIARole);
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}
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inline bool
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Accessible::HasStrongARIARole() const
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{
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const nsRoleMapEntry* roleMapEntry = ARIARoleMap();
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return roleMapEntry && roleMapEntry->roleRule == kUseMapRole;
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}
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inline const nsRoleMapEntry*
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Accessible::ARIARoleMap() const
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{
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return aria::GetRoleMapFromIndex(mRoleMapEntryIndex);
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}
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inline mozilla::a11y::role
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Accessible::ARIARole()
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{
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const nsRoleMapEntry* roleMapEntry = ARIARoleMap();
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if (!roleMapEntry || roleMapEntry->roleRule != kUseMapRole)
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return mozilla::a11y::roles::NOTHING;
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return ARIATransformRole(roleMapEntry->role);
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}
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inline void
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Accessible::SetRoleMapEntry(const nsRoleMapEntry* aRoleMapEntry)
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{
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mRoleMapEntryIndex = aria::GetIndexFromRoleMap(aRoleMapEntry);
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}
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inline bool
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Accessible::IsSearchbox() const
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{
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const nsRoleMapEntry* roleMapEntry = ARIARoleMap();
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return (roleMapEntry && roleMapEntry->Is(nsGkAtoms::searchbox)) ||
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(mContent->IsHTMLElement(nsGkAtoms::input) &&
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mContent->AsElement()->AttrValueIs(kNameSpaceID_None, nsGkAtoms::type,
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nsGkAtoms::search, eCaseMatters));
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}
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inline bool
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Accessible::HasGenericType(AccGenericType aType) const
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{
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const nsRoleMapEntry* roleMapEntry = ARIARoleMap();
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return (mGenericTypes & aType) ||
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(roleMapEntry && roleMapEntry->IsOfType(aType));
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}
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inline bool
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Accessible::HasNumericValue() const
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{
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if (mStateFlags & eHasNumericValue)
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return true;
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const nsRoleMapEntry* roleMapEntry = ARIARoleMap();
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if (!roleMapEntry || roleMapEntry->valueRule == eNoValue)
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return false;
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if (roleMapEntry->valueRule == eHasValueMinMaxIfFocusable)
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return InteractiveState() & states::FOCUSABLE;
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return true;
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}
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inline bool
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Accessible::IsDefunct() const
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{
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MOZ_ASSERT(mStateFlags & eIsDefunct || IsApplication() || IsDoc() ||
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mStateFlags & eSharedNode || mContent,
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"No content");
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return mStateFlags & eIsDefunct;
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}
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inline void
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Accessible::ScrollTo(uint32_t aHow) const
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{
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if (mContent)
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nsCoreUtils::ScrollTo(mDoc->PresShell(), mContent, aHow);
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}
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inline bool
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Accessible::InsertAfter(Accessible* aNewChild, Accessible* aRefChild)
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{
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MOZ_ASSERT(aNewChild, "No new child to insert");
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if (aRefChild && aRefChild->Parent() != this) {
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#ifdef A11Y_LOG
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logging::TreeInfo("broken accessible tree", 0,
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"parent", this, "prev sibling parent",
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aRefChild->Parent(), "child", aNewChild, nullptr);
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if (logging::IsEnabled(logging::eVerbose)) {
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logging::Tree("TREE", "Document tree", mDoc);
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logging::DOMTree("TREE", "DOM document tree", mDoc);
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}
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#endif
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MOZ_ASSERT_UNREACHABLE("Broken accessible tree");
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mDoc->UnbindFromDocument(aNewChild);
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return false;
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}
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return InsertChildAt(aRefChild ? aRefChild->IndexInParent() + 1 : 0,
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aNewChild);
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}
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} // namespace a11y
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} // namespace mozilla
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#endif
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