gecko-dev/accessible/mac/mozHTMLAccessible.mm

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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 "mozHTMLAccessible.h"
#import "Accessible-inl.h"
#import "HyperTextAccessible.h"
#import "nsCocoaUtils.h"
@implementation mozHeadingAccessible
- (NSString*)title
{
nsAutoString title;
mozilla::ErrorResult rv;
// XXX use the flattening API when there are available
// see bug 768298
[self getGeckoAccessible]->GetContent()->GetTextContent(title, rv);
return nsCocoaUtils::ToNSString(title);
}
- (id)value
{
AccessibleWrap* accWrap = [self getGeckoAccessible];
if (!accWrap || !accWrap->IsHyperText())
return nil;
uint32_t level = accWrap->AsHyperText()->GetLevelInternal();
return [NSNumber numberWithInt:level];
}
@end
@interface mozLinkAccessible ()
-(NSURL*)url;
@end
@implementation mozLinkAccessible
- (NSArray*)accessibilityAttributeNames
{
// if we're expired, we don't support any attributes.
if (![self getGeckoAccessible])
return [NSArray array];
static NSMutableArray* attributes = nil;
if (!attributes) {
attributes = [[super accessibilityAttributeNames] mutableCopy];
[attributes addObject:NSAccessibilityURLAttribute];
}
return attributes;
}
- (id)accessibilityAttributeValue:(NSString *)attribute
{
if ([attribute isEqualToString:NSAccessibilityURLAttribute])
return [self url];
return [super accessibilityAttributeValue:attribute];
}
- (NSArray*)accessibilityActionNames
{
// if we're expired, we don't support any attributes.
if (![self getGeckoAccessible])
return [NSArray array];
static NSArray* actionNames = nil;
if (!actionNames) {
actionNames = [[NSArray alloc] initWithObjects:NSAccessibilityPressAction,
nil];
}
return actionNames;
}
- (void)accessibilityPerformAction:(NSString*)action
{
AccessibleWrap* accWrap = [self getGeckoAccessible];
if (!accWrap)
return;
if ([action isEqualToString:NSAccessibilityPressAction])
accWrap->DoAction(0);
else
[super accessibilityPerformAction:action];
}
- (NSString*)customDescription
{
return @"";
}
- (NSString*)value
{
return @"";
}
- (NSURL*)url
{
if (![self getGeckoAccessible] || [self getGeckoAccessible]->IsDefunct())
return nil;
nsAutoString value;
[self getGeckoAccessible]->Value(value);
NSString* urlString = value.IsEmpty() ? nil : nsCocoaUtils::ToNSString(value);
if (!urlString)
return nil;
return [NSURL URLWithString:urlString];
}
@end