gecko-dev/accessible/generic/Accessible-inl.h

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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"
#ifdef A11Y_LOG
#include "Logging.h"
#endif
namespace mozilla {
namespace a11y {
inline mozilla::a11y::role
Accessible::Role()
{
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(nsIAtom* 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->AttrValueIs(kNameSpaceID_None, nsGkAtoms::type,
nsGkAtoms::textInputType, eCaseMatters));
}
inline bool
Accessible::HasGenericType(AccGenericType aType) const
{
const nsRoleMapEntry* roleMapEntry = ARIARoleMap();
return (mGenericTypes & aType) ||
(roleMapEntry && roleMapEntry->IsOfType(aType));
}
inline bool
Accessible::HasNumericValue() const
{
if (mStateFlags & eHasNumericValue)
return true;
const nsRoleMapEntry* roleMapEntry = ARIARoleMap();
return roleMapEntry && roleMapEntry->valueRule != eNoValue;
}
inline void
Accessible::ScrollTo(uint32_t aHow) const
{
if (mContent)
nsCoreUtils::ScrollTo(mDoc->PresShell(), mContent, 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