Source code
Revision control
Copy as Markdown
Other Tools
/* -*- 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
#include "ARIAGridAccessible.h"
#include <stdint.h>
#include "LocalAccessible-inl.h"
#include "AccAttributes.h"
#include "mozilla/a11y/TableAccessible.h"
#include "mozilla/a11y/TableCellAccessible.h"
#include "nsAccessibilityService.h"
#include "nsAccUtils.h"
#include "nsGkAtoms.h"
#include "mozilla/a11y/Role.h"
#include "States.h"
using namespace mozilla;
using namespace mozilla::a11y;
////////////////////////////////////////////////////////////////////////////////
// ARIAGridCellAccessible
////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
// Constructor
ARIAGridCellAccessible::ARIAGridCellAccessible(nsIContent* aContent,
DocAccessible* aDoc)
: HyperTextAccessible(aContent, aDoc) {
mGenericTypes |= eTableCell;
}
////////////////////////////////////////////////////////////////////////////////
// LocalAccessible
void ARIAGridCellAccessible::ApplyARIAState(uint64_t* aState) const {
HyperTextAccessible::ApplyARIAState(aState);
// Return if the gridcell has aria-selected="true".
if (*aState & states::SELECTED) return;
// Check aria-selected="true" on the row.
LocalAccessible* row = LocalParent();
if (!row || row->Role() != roles::ROW) return;
nsIContent* rowContent = row->GetContent();
if (nsAccUtils::HasDefinedARIAToken(rowContent, nsGkAtoms::aria_selected) &&
!nsAccUtils::ARIAAttrValueIs(rowContent->AsElement(),
nsGkAtoms::aria_selected, nsGkAtoms::_false,
eCaseMatters)) {
*aState |= states::SELECTABLE | states::SELECTED;
}
}
already_AddRefed<AccAttributes> ARIAGridCellAccessible::NativeAttributes() {
RefPtr<AccAttributes> attributes = HyperTextAccessible::NativeAttributes();
// We only need to expose table-cell-index to clients. If we're in the content
// process, we don't need this, so building a CachedTableAccessible is very
// wasteful. This will be exposed by RemoteAccessible in the parent process
// instead.
if (!IPCAccessibilityActive()) {
if (const TableCellAccessible* cell = AsTableCell()) {
TableAccessible* table = cell->Table();
const uint32_t row = cell->RowIdx();
const uint32_t col = cell->ColIdx();
const int32_t cellIdx = table->CellIndexAt(row, col);
if (cellIdx != -1) {
attributes->SetAttribute(nsGkAtoms::tableCellIndex, cellIdx);
}
}
}
return attributes.forget();
}