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import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo
This commit is contained in:
Roy Tam
commit
dcd9973243
150858 changed files with 23884658 additions and 0 deletions
702
accessible/generic/ARIAGridAccessible.cpp
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702
accessible/generic/ARIAGridAccessible.cpp
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/* -*- 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-inl.h"
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#include "Accessible-inl.h"
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#include "AccIterator.h"
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#include "nsAccUtils.h"
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#include "Role.h"
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#include "States.h"
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#include "nsIMutableArray.h"
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#include "nsIPersistentProperties2.h"
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#include "nsComponentManagerUtils.h"
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using namespace mozilla;
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using namespace mozilla::a11y;
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////////////////////////////////////////////////////////////////////////////////
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// ARIAGridAccessible
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////////////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////
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// Constructor
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ARIAGridAccessible::
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ARIAGridAccessible(nsIContent* aContent, DocAccessible* aDoc) :
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AccessibleWrap(aContent, aDoc)
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{
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}
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NS_IMPL_ISUPPORTS_INHERITED0(ARIAGridAccessible, Accessible)
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////////////////////////////////////////////////////////////////////////////////
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// Table
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uint32_t
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ARIAGridAccessible::ColCount()
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{
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AccIterator rowIter(this, filters::GetRow);
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Accessible* row = rowIter.Next();
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if (!row)
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return 0;
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AccIterator cellIter(row, filters::GetCell);
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Accessible* cell = nullptr;
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|
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uint32_t colCount = 0;
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while ((cell = cellIter.Next()))
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colCount++;
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return colCount;
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}
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uint32_t
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ARIAGridAccessible::RowCount()
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{
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uint32_t rowCount = 0;
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AccIterator rowIter(this, filters::GetRow);
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while (rowIter.Next())
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rowCount++;
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return rowCount;
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}
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Accessible*
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ARIAGridAccessible::CellAt(uint32_t aRowIndex, uint32_t aColumnIndex)
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{
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Accessible* row = GetRowAt(aRowIndex);
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if (!row)
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return nullptr;
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return GetCellInRowAt(row, aColumnIndex);
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}
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bool
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ARIAGridAccessible::IsColSelected(uint32_t aColIdx)
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{
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if (IsARIARole(nsGkAtoms::table))
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return false;
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AccIterator rowIter(this, filters::GetRow);
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Accessible* row = rowIter.Next();
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if (!row)
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return false;
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|
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do {
|
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if (!nsAccUtils::IsARIASelected(row)) {
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Accessible* cell = GetCellInRowAt(row, aColIdx);
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if (!cell || !nsAccUtils::IsARIASelected(cell))
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return false;
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}
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} while ((row = rowIter.Next()));
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return true;
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}
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bool
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ARIAGridAccessible::IsRowSelected(uint32_t aRowIdx)
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{
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if (IsARIARole(nsGkAtoms::table))
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return false;
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Accessible* row = GetRowAt(aRowIdx);
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if(!row)
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return false;
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if (!nsAccUtils::IsARIASelected(row)) {
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AccIterator cellIter(row, filters::GetCell);
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Accessible* cell = nullptr;
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while ((cell = cellIter.Next())) {
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if (!nsAccUtils::IsARIASelected(cell))
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return false;
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}
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}
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return true;
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}
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bool
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ARIAGridAccessible::IsCellSelected(uint32_t aRowIdx, uint32_t aColIdx)
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{
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if (IsARIARole(nsGkAtoms::table))
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return false;
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|
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Accessible* row = GetRowAt(aRowIdx);
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if(!row)
|
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return false;
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|
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if (!nsAccUtils::IsARIASelected(row)) {
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Accessible* cell = GetCellInRowAt(row, aColIdx);
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if (!cell || !nsAccUtils::IsARIASelected(cell))
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return false;
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}
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return true;
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}
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uint32_t
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ARIAGridAccessible::SelectedCellCount()
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{
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if (IsARIARole(nsGkAtoms::table))
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return 0;
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|
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uint32_t count = 0, colCount = ColCount();
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|
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AccIterator rowIter(this, filters::GetRow);
|
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Accessible* row = nullptr;
|
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|
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while ((row = rowIter.Next())) {
|
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if (nsAccUtils::IsARIASelected(row)) {
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count += colCount;
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continue;
|
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}
|
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|
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AccIterator cellIter(row, filters::GetCell);
|
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Accessible* cell = nullptr;
|
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|
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while ((cell = cellIter.Next())) {
|
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if (nsAccUtils::IsARIASelected(cell))
|
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count++;
|
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}
|
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}
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|
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return count;
|
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}
|
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|
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uint32_t
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ARIAGridAccessible::SelectedColCount()
|
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{
|
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if (IsARIARole(nsGkAtoms::table))
|
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return 0;
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|
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uint32_t colCount = ColCount();
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if (!colCount)
|
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return 0;
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|
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AccIterator rowIter(this, filters::GetRow);
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Accessible* row = rowIter.Next();
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if (!row)
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return 0;
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|
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nsTArray<bool> isColSelArray(colCount);
|
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isColSelArray.AppendElements(colCount);
|
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memset(isColSelArray.Elements(), true, colCount * sizeof(bool));
|
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|
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uint32_t selColCount = colCount;
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do {
|
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if (nsAccUtils::IsARIASelected(row))
|
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continue;
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|
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AccIterator cellIter(row, filters::GetCell);
|
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Accessible* cell = nullptr;
|
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for (uint32_t colIdx = 0;
|
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(cell = cellIter.Next()) && colIdx < colCount; colIdx++)
|
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if (isColSelArray[colIdx] && !nsAccUtils::IsARIASelected(cell)) {
|
||||
isColSelArray[colIdx] = false;
|
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selColCount--;
|
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}
|
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} while ((row = rowIter.Next()));
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return selColCount;
|
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}
|
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|
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uint32_t
|
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ARIAGridAccessible::SelectedRowCount()
|
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{
|
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if (IsARIARole(nsGkAtoms::table))
|
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return 0;
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|
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uint32_t count = 0;
|
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|
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AccIterator rowIter(this, filters::GetRow);
|
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Accessible* row = nullptr;
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|
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while ((row = rowIter.Next())) {
|
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if (nsAccUtils::IsARIASelected(row)) {
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count++;
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continue;
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}
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AccIterator cellIter(row, filters::GetCell);
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Accessible* cell = cellIter.Next();
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if (!cell)
|
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continue;
|
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|
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bool isRowSelected = true;
|
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do {
|
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if (!nsAccUtils::IsARIASelected(cell)) {
|
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isRowSelected = false;
|
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break;
|
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}
|
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} while ((cell = cellIter.Next()));
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|
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if (isRowSelected)
|
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count++;
|
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}
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return count;
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}
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void
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ARIAGridAccessible::SelectedCells(nsTArray<Accessible*>* aCells)
|
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{
|
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if (IsARIARole(nsGkAtoms::table))
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return;
|
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|
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AccIterator rowIter(this, filters::GetRow);
|
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|
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Accessible* row = nullptr;
|
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while ((row = rowIter.Next())) {
|
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AccIterator cellIter(row, filters::GetCell);
|
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Accessible* cell = nullptr;
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if (nsAccUtils::IsARIASelected(row)) {
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while ((cell = cellIter.Next()))
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aCells->AppendElement(cell);
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continue;
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}
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|
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while ((cell = cellIter.Next())) {
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if (nsAccUtils::IsARIASelected(cell))
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aCells->AppendElement(cell);
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}
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}
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}
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|
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void
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ARIAGridAccessible::SelectedCellIndices(nsTArray<uint32_t>* aCells)
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{
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if (IsARIARole(nsGkAtoms::table))
|
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return;
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|
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uint32_t colCount = ColCount();
|
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|
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AccIterator rowIter(this, filters::GetRow);
|
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Accessible* row = nullptr;
|
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for (uint32_t rowIdx = 0; (row = rowIter.Next()); rowIdx++) {
|
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if (nsAccUtils::IsARIASelected(row)) {
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for (uint32_t colIdx = 0; colIdx < colCount; colIdx++)
|
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aCells->AppendElement(rowIdx * colCount + colIdx);
|
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|
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continue;
|
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}
|
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|
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AccIterator cellIter(row, filters::GetCell);
|
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Accessible* cell = nullptr;
|
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for (uint32_t colIdx = 0; (cell = cellIter.Next()); colIdx++) {
|
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if (nsAccUtils::IsARIASelected(cell))
|
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aCells->AppendElement(rowIdx * colCount + colIdx);
|
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}
|
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}
|
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}
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|
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void
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ARIAGridAccessible::SelectedColIndices(nsTArray<uint32_t>* aCols)
|
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{
|
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if (IsARIARole(nsGkAtoms::table))
|
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return;
|
||||
|
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uint32_t colCount = ColCount();
|
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if (!colCount)
|
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return;
|
||||
|
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AccIterator rowIter(this, filters::GetRow);
|
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Accessible* row = rowIter.Next();
|
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if (!row)
|
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return;
|
||||
|
||||
nsTArray<bool> isColSelArray(colCount);
|
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isColSelArray.AppendElements(colCount);
|
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memset(isColSelArray.Elements(), true, colCount * sizeof(bool));
|
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|
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do {
|
||||
if (nsAccUtils::IsARIASelected(row))
|
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continue;
|
||||
|
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AccIterator cellIter(row, filters::GetCell);
|
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Accessible* cell = nullptr;
|
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for (uint32_t colIdx = 0;
|
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(cell = cellIter.Next()) && colIdx < colCount; colIdx++)
|
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if (isColSelArray[colIdx] && !nsAccUtils::IsARIASelected(cell)) {
|
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isColSelArray[colIdx] = false;
|
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}
|
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} while ((row = rowIter.Next()));
|
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|
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for (uint32_t colIdx = 0; colIdx < colCount; colIdx++)
|
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if (isColSelArray[colIdx])
|
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aCols->AppendElement(colIdx);
|
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}
|
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|
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void
|
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ARIAGridAccessible::SelectedRowIndices(nsTArray<uint32_t>* aRows)
|
||||
{
|
||||
if (IsARIARole(nsGkAtoms::table))
|
||||
return;
|
||||
|
||||
AccIterator rowIter(this, filters::GetRow);
|
||||
Accessible* row = nullptr;
|
||||
for (uint32_t rowIdx = 0; (row = rowIter.Next()); rowIdx++) {
|
||||
if (nsAccUtils::IsARIASelected(row)) {
|
||||
aRows->AppendElement(rowIdx);
|
||||
continue;
|
||||
}
|
||||
|
||||
AccIterator cellIter(row, filters::GetCell);
|
||||
Accessible* cell = cellIter.Next();
|
||||
if (!cell)
|
||||
continue;
|
||||
|
||||
bool isRowSelected = true;
|
||||
do {
|
||||
if (!nsAccUtils::IsARIASelected(cell)) {
|
||||
isRowSelected = false;
|
||||
break;
|
||||
}
|
||||
} while ((cell = cellIter.Next()));
|
||||
|
||||
if (isRowSelected)
|
||||
aRows->AppendElement(rowIdx);
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
ARIAGridAccessible::SelectRow(uint32_t aRowIdx)
|
||||
{
|
||||
if (IsARIARole(nsGkAtoms::table))
|
||||
return;
|
||||
|
||||
AccIterator rowIter(this, filters::GetRow);
|
||||
|
||||
Accessible* row = nullptr;
|
||||
for (uint32_t rowIdx = 0; (row = rowIter.Next()); rowIdx++) {
|
||||
DebugOnly<nsresult> rv = SetARIASelected(row, rowIdx == aRowIdx);
|
||||
NS_ASSERTION(NS_SUCCEEDED(rv), "SetARIASelected() Shouldn't fail!");
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
ARIAGridAccessible::SelectCol(uint32_t aColIdx)
|
||||
{
|
||||
if (IsARIARole(nsGkAtoms::table))
|
||||
return;
|
||||
|
||||
AccIterator rowIter(this, filters::GetRow);
|
||||
|
||||
Accessible* row = nullptr;
|
||||
while ((row = rowIter.Next())) {
|
||||
// Unselect all cells in the row.
|
||||
DebugOnly<nsresult> rv = SetARIASelected(row, false);
|
||||
NS_ASSERTION(NS_SUCCEEDED(rv), "SetARIASelected() Shouldn't fail!");
|
||||
|
||||
// Select cell at the column index.
|
||||
Accessible* cell = GetCellInRowAt(row, aColIdx);
|
||||
if (cell)
|
||||
SetARIASelected(cell, true);
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
ARIAGridAccessible::UnselectRow(uint32_t aRowIdx)
|
||||
{
|
||||
if (IsARIARole(nsGkAtoms::table))
|
||||
return;
|
||||
|
||||
Accessible* row = GetRowAt(aRowIdx);
|
||||
if (row)
|
||||
SetARIASelected(row, false);
|
||||
}
|
||||
|
||||
void
|
||||
ARIAGridAccessible::UnselectCol(uint32_t aColIdx)
|
||||
{
|
||||
if (IsARIARole(nsGkAtoms::table))
|
||||
return;
|
||||
|
||||
AccIterator rowIter(this, filters::GetRow);
|
||||
|
||||
Accessible* row = nullptr;
|
||||
while ((row = rowIter.Next())) {
|
||||
Accessible* cell = GetCellInRowAt(row, aColIdx);
|
||||
if (cell)
|
||||
SetARIASelected(cell, false);
|
||||
}
|
||||
}
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
// Protected
|
||||
|
||||
Accessible*
|
||||
ARIAGridAccessible::GetRowAt(int32_t aRow)
|
||||
{
|
||||
int32_t rowIdx = aRow;
|
||||
|
||||
AccIterator rowIter(this, filters::GetRow);
|
||||
|
||||
Accessible* row = rowIter.Next();
|
||||
while (rowIdx != 0 && (row = rowIter.Next()))
|
||||
rowIdx--;
|
||||
|
||||
return row;
|
||||
}
|
||||
|
||||
Accessible*
|
||||
ARIAGridAccessible::GetCellInRowAt(Accessible* aRow, int32_t aColumn)
|
||||
{
|
||||
int32_t colIdx = aColumn;
|
||||
|
||||
AccIterator cellIter(aRow, filters::GetCell);
|
||||
Accessible* cell = cellIter.Next();
|
||||
while (colIdx != 0 && (cell = cellIter.Next()))
|
||||
colIdx--;
|
||||
|
||||
return cell;
|
||||
}
|
||||
|
||||
nsresult
|
||||
ARIAGridAccessible::SetARIASelected(Accessible* aAccessible,
|
||||
bool aIsSelected, bool aNotify)
|
||||
{
|
||||
if (IsARIARole(nsGkAtoms::table))
|
||||
return NS_OK;
|
||||
|
||||
nsIContent *content = aAccessible->GetContent();
|
||||
NS_ENSURE_STATE(content);
|
||||
|
||||
nsresult rv = NS_OK;
|
||||
if (aIsSelected)
|
||||
rv = content->SetAttr(kNameSpaceID_None, nsGkAtoms::aria_selected,
|
||||
NS_LITERAL_STRING("true"), aNotify);
|
||||
else
|
||||
rv = content->SetAttr(kNameSpaceID_None, nsGkAtoms::aria_selected,
|
||||
NS_LITERAL_STRING("false"), aNotify);
|
||||
|
||||
NS_ENSURE_SUCCESS(rv, rv);
|
||||
|
||||
// No "smart" select/unselect for internal call.
|
||||
if (!aNotify)
|
||||
return NS_OK;
|
||||
|
||||
// If row or cell accessible was selected then we're able to not bother about
|
||||
// selection of its cells or its row because our algorithm is row oriented,
|
||||
// i.e. we check selection on row firstly and then on cells.
|
||||
if (aIsSelected)
|
||||
return NS_OK;
|
||||
|
||||
roles::Role role = aAccessible->Role();
|
||||
|
||||
// If the given accessible is row that was unselected then remove
|
||||
// aria-selected from cell accessible.
|
||||
if (role == roles::ROW) {
|
||||
AccIterator cellIter(aAccessible, filters::GetCell);
|
||||
Accessible* cell = nullptr;
|
||||
|
||||
while ((cell = cellIter.Next())) {
|
||||
rv = SetARIASelected(cell, false, false);
|
||||
NS_ENSURE_SUCCESS(rv, rv);
|
||||
}
|
||||
return NS_OK;
|
||||
}
|
||||
|
||||
// If the given accessible is cell that was unselected and its row is selected
|
||||
// then remove aria-selected from row and put aria-selected on
|
||||
// siblings cells.
|
||||
if (role == roles::GRID_CELL || role == roles::ROWHEADER ||
|
||||
role == roles::COLUMNHEADER) {
|
||||
Accessible* row = aAccessible->Parent();
|
||||
|
||||
if (row && row->Role() == roles::ROW &&
|
||||
nsAccUtils::IsARIASelected(row)) {
|
||||
rv = SetARIASelected(row, false, false);
|
||||
NS_ENSURE_SUCCESS(rv, rv);
|
||||
|
||||
AccIterator cellIter(row, filters::GetCell);
|
||||
Accessible* cell = nullptr;
|
||||
while ((cell = cellIter.Next())) {
|
||||
if (cell != aAccessible) {
|
||||
rv = SetARIASelected(cell, true, false);
|
||||
NS_ENSURE_SUCCESS(rv, rv);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return NS_OK;
|
||||
}
|
||||
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
// ARIARowAccessible
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
ARIARowAccessible::
|
||||
ARIARowAccessible(nsIContent* aContent, DocAccessible* aDoc) :
|
||||
AccessibleWrap(aContent, aDoc)
|
||||
{
|
||||
mGenericTypes |= eTableRow;
|
||||
}
|
||||
|
||||
NS_IMPL_ISUPPORTS_INHERITED0(ARIARowAccessible, Accessible)
|
||||
|
||||
GroupPos
|
||||
ARIARowAccessible::GroupPosition()
|
||||
{
|
||||
int32_t count = 0, index = 0;
|
||||
Accessible* table = nsAccUtils::TableFor(this);
|
||||
if (table && nsCoreUtils::GetUIntAttr(table->GetContent(),
|
||||
nsGkAtoms::aria_rowcount, &count) &&
|
||||
nsCoreUtils::GetUIntAttr(mContent, nsGkAtoms::aria_rowindex, &index)) {
|
||||
return GroupPos(0, index, count);
|
||||
}
|
||||
|
||||
return AccessibleWrap::GroupPosition();
|
||||
}
|
||||
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
// ARIAGridCellAccessible
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
// Constructor
|
||||
|
||||
ARIAGridCellAccessible::
|
||||
ARIAGridCellAccessible(nsIContent* aContent, DocAccessible* aDoc) :
|
||||
HyperTextAccessibleWrap(aContent, aDoc)
|
||||
{
|
||||
mGenericTypes |= eTableCell;
|
||||
}
|
||||
|
||||
NS_IMPL_ISUPPORTS_INHERITED0(ARIAGridCellAccessible, HyperTextAccessible)
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
// TableCell
|
||||
|
||||
TableAccessible*
|
||||
ARIAGridCellAccessible::Table() const
|
||||
{
|
||||
Accessible* table = nsAccUtils::TableFor(Row());
|
||||
return table ? table->AsTable() : nullptr;
|
||||
}
|
||||
|
||||
uint32_t
|
||||
ARIAGridCellAccessible::ColIdx() const
|
||||
{
|
||||
Accessible* row = Row();
|
||||
if (!row)
|
||||
return 0;
|
||||
|
||||
int32_t indexInRow = IndexInParent();
|
||||
uint32_t colIdx = 0;
|
||||
for (int32_t idx = 0; idx < indexInRow; idx++) {
|
||||
Accessible* cell = row->GetChildAt(idx);
|
||||
roles::Role role = cell->Role();
|
||||
if (role == roles::CELL || role == roles::GRID_CELL ||
|
||||
role == roles::ROWHEADER || role == roles::COLUMNHEADER)
|
||||
colIdx++;
|
||||
}
|
||||
|
||||
return colIdx;
|
||||
}
|
||||
|
||||
uint32_t
|
||||
ARIAGridCellAccessible::RowIdx() const
|
||||
{
|
||||
return RowIndexFor(Row());
|
||||
}
|
||||
|
||||
bool
|
||||
ARIAGridCellAccessible::Selected()
|
||||
{
|
||||
Accessible* row = Row();
|
||||
if (!row)
|
||||
return false;
|
||||
|
||||
return nsAccUtils::IsARIASelected(row) || nsAccUtils::IsARIASelected(this);
|
||||
}
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
// Accessible
|
||||
|
||||
void
|
||||
ARIAGridCellAccessible::ApplyARIAState(uint64_t* aState) const
|
||||
{
|
||||
HyperTextAccessibleWrap::ApplyARIAState(aState);
|
||||
|
||||
// Return if the gridcell has aria-selected="true".
|
||||
if (*aState & states::SELECTED)
|
||||
return;
|
||||
|
||||
// Check aria-selected="true" on the row.
|
||||
Accessible* row = Parent();
|
||||
if (!row || row->Role() != roles::ROW)
|
||||
return;
|
||||
|
||||
nsIContent *rowContent = row->GetContent();
|
||||
if (nsAccUtils::HasDefinedARIAToken(rowContent,
|
||||
nsGkAtoms::aria_selected) &&
|
||||
!rowContent->AttrValueIs(kNameSpaceID_None,
|
||||
nsGkAtoms::aria_selected,
|
||||
nsGkAtoms::_false, eCaseMatters))
|
||||
*aState |= states::SELECTABLE | states::SELECTED;
|
||||
}
|
||||
|
||||
already_AddRefed<nsIPersistentProperties>
|
||||
ARIAGridCellAccessible::NativeAttributes()
|
||||
{
|
||||
nsCOMPtr<nsIPersistentProperties> attributes =
|
||||
HyperTextAccessibleWrap::NativeAttributes();
|
||||
|
||||
// Expose "table-cell-index" attribute.
|
||||
Accessible* thisRow = Row();
|
||||
if (!thisRow)
|
||||
return attributes.forget();
|
||||
|
||||
int32_t colIdx = 0, colCount = 0;
|
||||
uint32_t childCount = thisRow->ChildCount();
|
||||
for (uint32_t childIdx = 0; childIdx < childCount; childIdx++) {
|
||||
Accessible* child = thisRow->GetChildAt(childIdx);
|
||||
if (child == this)
|
||||
colIdx = colCount;
|
||||
|
||||
roles::Role role = child->Role();
|
||||
if (role == roles::CELL || role == roles::GRID_CELL ||
|
||||
role == roles::ROWHEADER || role == roles::COLUMNHEADER)
|
||||
colCount++;
|
||||
}
|
||||
|
||||
int32_t rowIdx = RowIndexFor(thisRow);
|
||||
|
||||
nsAutoString stringIdx;
|
||||
stringIdx.AppendInt(rowIdx * colCount + colIdx);
|
||||
nsAccUtils::SetAccAttr(attributes, nsGkAtoms::tableCellIndex, stringIdx);
|
||||
|
||||
#ifdef DEBUG
|
||||
nsAutoString unused;
|
||||
attributes->SetStringProperty(NS_LITERAL_CSTRING("cppclass"),
|
||||
NS_LITERAL_STRING("ARIAGridCellAccessible"),
|
||||
unused);
|
||||
#endif
|
||||
|
||||
return attributes.forget();
|
||||
}
|
||||
|
||||
GroupPos
|
||||
ARIAGridCellAccessible::GroupPosition()
|
||||
{
|
||||
int32_t count = 0, index = 0;
|
||||
TableAccessible* table = Table();
|
||||
if (table && nsCoreUtils::GetUIntAttr(table->AsAccessible()->GetContent(),
|
||||
nsGkAtoms::aria_colcount, &count) &&
|
||||
nsCoreUtils::GetUIntAttr(mContent, nsGkAtoms::aria_colindex, &index)) {
|
||||
return GroupPos(0, index, count);
|
||||
}
|
||||
|
||||
return GroupPos();
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue