gecko-dev/accessible/mac/mozTableAccessible.mm
Frédéric Wang 2aa965ccb5 Bug 1178272 - Move table semantics to a separate mozTableAccessible.mm file. r=surkov
--HG--
extra : rebase_source : bdbc6ea2a47d31e749fd59f657a54e40ae47c92b
2015-10-01 16:00:00 +02:00

241 lines
8.3 KiB
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/* -*- Mode: Objective-C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:expandtab:shiftwidth=2:tabstop=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
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#import "mozTableAccessible.h"
#import "nsCocoaUtils.h"
@implementation mozTablePartAccessible
- (BOOL)isLayoutTablePart;
{
if (Accessible* accWrap = [self getGeckoAccessible]) {
while (accWrap) {
if (accWrap->IsTable()) {
return accWrap->AsTable()->IsProbablyLayoutTable();
}
accWrap = accWrap->Parent();
}
return false;
}
if (ProxyAccessible* proxy = [self getProxyAccessible]) {
while (proxy) {
if (proxy->IsTable()) {
return proxy->TableIsProbablyForLayout();
}
proxy = proxy->Parent();
}
}
return false;
}
- (NSString*)role
{
return [self isLayoutTablePart] ? NSAccessibilityGroupRole : [super role];
}
@end
@implementation mozTableAccessible
- (NSArray*)additionalAccessibilityAttributeNames
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NIL;
NSArray* additionalAttributes = [super additionalAccessibilityAttributeNames];
if ([self isLayoutTablePart]) {
return additionalAttributes;
}
static NSArray* tableAttrs = nil;
if (!tableAttrs) {
NSMutableArray* tempArray = [NSMutableArray new];
[tempArray addObject:NSAccessibilityRowCountAttribute];
[tempArray addObject:NSAccessibilityColumnCountAttribute];
[tempArray addObject:NSAccessibilityRowsAttribute];
tableAttrs = [[NSArray alloc] initWithArray:tempArray];
[tempArray release];
}
return [additionalAttributes arrayByAddingObjectsFromArray:tableAttrs];
NS_OBJC_END_TRY_ABORT_BLOCK_NIL;
}
- (id)accessibilityAttributeValue:(NSString*)attribute
{
if (AccessibleWrap* accWrap = [self getGeckoAccessible]) {
TableAccessible* table = accWrap->AsTable();
if ([attribute isEqualToString:NSAccessibilityRowCountAttribute])
return @(table->RowCount());
if ([attribute isEqualToString:NSAccessibilityColumnCountAttribute])
return @(table->ColCount());
if ([attribute isEqualToString:NSAccessibilityRowsAttribute]) {
// Create a new array with the list of table rows.
NSMutableArray* nativeArray = [[NSMutableArray alloc] init];
uint32_t totalCount = accWrap->ChildCount();
for (uint32_t i = 0; i < totalCount; i++) {
if (accWrap->GetChildAt(i)->IsTableRow()) {
mozAccessible* curNative =
GetNativeFromGeckoAccessible(accWrap->GetChildAt(i));
if (curNative)
[nativeArray addObject:GetObjectOrRepresentedView(curNative)];
}
}
return nativeArray;
}
} else if (ProxyAccessible* proxy = [self getProxyAccessible]) {
if ([attribute isEqualToString:NSAccessibilityRowCountAttribute])
return @(proxy->TableRowCount());
if ([attribute isEqualToString:NSAccessibilityColumnCountAttribute])
return @(proxy->TableColumnCount());
if ([attribute isEqualToString:NSAccessibilityRowsAttribute]) {
// Create a new array with the list of table rows.
NSMutableArray* nativeArray = [[NSMutableArray alloc] init];
uint32_t totalCount = proxy->ChildrenCount();
for (uint32_t i = 0; i < totalCount; i++) {
if (proxy->ChildAt(i)->IsTableRow()) {
mozAccessible* curNative =
GetNativeFromProxy(proxy->ChildAt(i));
if (curNative)
[nativeArray addObject:GetObjectOrRepresentedView(curNative)];
}
}
return nativeArray;
}
}
return [super accessibilityAttributeValue:attribute];
}
@end
@implementation mozTableRowAccessible
- (NSArray*)additionalAccessibilityAttributeNames
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NIL;
NSArray* additionalAttributes = [super additionalAccessibilityAttributeNames];
if ([self isLayoutTablePart]) {
return additionalAttributes;
}
static NSArray* tableRowAttrs = nil;
if (!tableRowAttrs) {
NSMutableArray* tempArray = [NSMutableArray new];
[tempArray addObject:NSAccessibilityIndexAttribute];
tableRowAttrs = [[NSArray alloc] initWithArray:tempArray];
[tempArray release];
}
return [additionalAttributes arrayByAddingObjectsFromArray:tableRowAttrs];
NS_OBJC_END_TRY_ABORT_BLOCK_NIL;
}
- (id)accessibilityAttributeValue:(NSString*)attribute
{
if (AccessibleWrap* accWrap = [self getGeckoAccessible]) {
if ([attribute isEqualToString:NSAccessibilityIndexAttribute]) {
// Count the number of rows before that one to obtain the row index.
uint32_t index = 0;
Accessible* parent = accWrap->Parent();
if (parent) {
for (int32_t i = accWrap->IndexInParent() - 1; i >= 0; i--) {
if (parent->GetChildAt(i)->IsTableRow()) {
index++;
}
}
}
return [NSNumber numberWithUnsignedInteger:index];
}
} else if (ProxyAccessible* proxy = [self getProxyAccessible]) {
if ([attribute isEqualToString:NSAccessibilityIndexAttribute]) {
// Count the number of rows before that one to obtain the row index.
uint32_t index = 0;
ProxyAccessible* parent = proxy->Parent();
if (parent) {
for (int32_t i = proxy->IndexInParent() - 1; i >= 0; i--) {
if (parent->ChildAt(i)->IsTableRow()) {
index++;
}
}
}
return [NSNumber numberWithUnsignedInteger:index];
}
}
return [super accessibilityAttributeValue:attribute];
}
@end
@implementation mozTableCellAccessible
- (NSArray*)additionalAccessibilityAttributeNames
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NIL;
NSArray* additionalAttributes = [super additionalAccessibilityAttributeNames];
if ([self isLayoutTablePart]) {
return additionalAttributes;
}
static NSArray* tableCellAttrs = nil;
if (!tableCellAttrs) {
NSMutableArray* tempArray = [NSMutableArray new];
[tempArray addObject:NSAccessibilityRowIndexRangeAttribute];
[tempArray addObject:NSAccessibilityColumnIndexRangeAttribute];
[tempArray addObject:NSAccessibilityRowHeaderUIElementsAttribute];
[tempArray addObject:NSAccessibilityColumnHeaderUIElementsAttribute];
tableCellAttrs = [[NSArray alloc] initWithArray:tempArray];
[tempArray release];
}
return [additionalAttributes arrayByAddingObjectsFromArray:tableCellAttrs];
NS_OBJC_END_TRY_ABORT_BLOCK_NIL;
}
- (id)accessibilityAttributeValue:(NSString*)attribute
{
if (AccessibleWrap* accWrap = [self getGeckoAccessible]) {
TableCellAccessible* cell = accWrap->AsTableCell();
if ([attribute isEqualToString:NSAccessibilityRowIndexRangeAttribute])
return [NSValue valueWithRange:NSMakeRange(cell->RowIdx(),
cell->RowExtent())];
if ([attribute isEqualToString:NSAccessibilityColumnIndexRangeAttribute])
return [NSValue valueWithRange:NSMakeRange(cell->ColIdx(),
cell->ColExtent())];
if ([attribute isEqualToString:NSAccessibilityRowHeaderUIElementsAttribute]) {
nsAutoTArray<Accessible*, 10> headerCells;
cell->RowHeaderCells(&headerCells);
return ConvertToNSArray(headerCells);
}
if ([attribute isEqualToString:NSAccessibilityColumnHeaderUIElementsAttribute]) {
nsAutoTArray<Accessible*, 10> headerCells;
cell->ColHeaderCells(&headerCells);
return ConvertToNSArray(headerCells);
}
} else if (ProxyAccessible* proxy = [self getProxyAccessible]) {
if ([attribute isEqualToString:NSAccessibilityRowIndexRangeAttribute])
return [NSValue valueWithRange:NSMakeRange(proxy->RowIdx(),
proxy->RowExtent())];
if ([attribute isEqualToString:NSAccessibilityColumnIndexRangeAttribute])
return [NSValue valueWithRange:NSMakeRange(proxy->ColIdx(),
proxy->ColExtent())];
if ([attribute isEqualToString:NSAccessibilityRowHeaderUIElementsAttribute]) {
nsTArray<ProxyAccessible*> headerCells;
proxy->RowHeaderCells(&headerCells);
return ConvertToNSArray(headerCells);
}
if ([attribute isEqualToString:NSAccessibilityColumnHeaderUIElementsAttribute]) {
nsTArray<ProxyAccessible*> headerCells;
proxy->ColHeaderCells(&headerCells);
return ConvertToNSArray(headerCells);
}
}
return [super accessibilityAttributeValue:attribute];
}
@end