зеркало из https://github.com/mozilla/gecko-dev.git
78 строки
2.8 KiB
C++
78 строки
2.8 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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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
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "ARIAGridAccessible.h"
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#include <stdint.h>
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#include "LocalAccessible-inl.h"
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#include "AccAttributes.h"
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#include "mozilla/a11y/TableAccessible.h"
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#include "mozilla/a11y/TableCellAccessible.h"
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#include "nsAccessibilityService.h"
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#include "nsAccUtils.h"
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#include "nsGkAtoms.h"
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#include "mozilla/a11y/Role.h"
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#include "States.h"
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using namespace mozilla;
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using namespace mozilla::a11y;
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////////////////////////////////////////////////////////////////////////////////
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// ARIAGridCellAccessible
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////////////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////
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// Constructor
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ARIAGridCellAccessible::ARIAGridCellAccessible(nsIContent* aContent,
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DocAccessible* aDoc)
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: HyperTextAccessible(aContent, aDoc) {
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mGenericTypes |= eTableCell;
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}
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////////////////////////////////////////////////////////////////////////////////
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// LocalAccessible
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void ARIAGridCellAccessible::ApplyARIAState(uint64_t* aState) const {
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HyperTextAccessible::ApplyARIAState(aState);
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// Return if the gridcell has aria-selected="true".
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if (*aState & states::SELECTED) return;
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// Check aria-selected="true" on the row.
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LocalAccessible* row = LocalParent();
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if (!row || row->Role() != roles::ROW) return;
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nsIContent* rowContent = row->GetContent();
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if (nsAccUtils::HasDefinedARIAToken(rowContent, nsGkAtoms::aria_selected) &&
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!nsAccUtils::ARIAAttrValueIs(rowContent->AsElement(),
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nsGkAtoms::aria_selected, nsGkAtoms::_false,
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eCaseMatters)) {
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*aState |= states::SELECTABLE | states::SELECTED;
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}
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}
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already_AddRefed<AccAttributes> ARIAGridCellAccessible::NativeAttributes() {
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RefPtr<AccAttributes> attributes = HyperTextAccessible::NativeAttributes();
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// We only need to expose table-cell-index to clients. If we're in the content
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// process, we don't need this, so building a CachedTableAccessible is very
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// wasteful. This will be exposed by RemoteAccessible in the parent process
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// instead.
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if (!IPCAccessibilityActive()) {
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if (const TableCellAccessible* cell = AsTableCell()) {
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TableAccessible* table = cell->Table();
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const uint32_t row = cell->RowIdx();
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const uint32_t col = cell->ColIdx();
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const int32_t cellIdx = table->CellIndexAt(row, col);
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if (cellIdx != -1) {
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attributes->SetAttribute(nsGkAtoms::tableCellIndex, cellIdx);
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}
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}
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}
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return attributes.forget();
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}
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