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Diffstat (limited to 'accessible/mac/mozTableAccessible.mm')
| -rw-r--r-- | accessible/mac/mozTableAccessible.mm | 240 |
1 files changed, 240 insertions, 0 deletions
diff --git a/accessible/mac/mozTableAccessible.mm b/accessible/mac/mozTableAccessible.mm new file mode 100644 index 000000000..a3612e5bc --- /dev/null +++ b/accessible/mac/mozTableAccessible.mm @@ -0,0 +1,240 @@ +/* -*- 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]) { + AutoTArray<Accessible*, 10> headerCells; + cell->RowHeaderCells(&headerCells); + return ConvertToNSArray(headerCells); + } + if ([attribute isEqualToString:NSAccessibilityColumnHeaderUIElementsAttribute]) { + AutoTArray<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 |