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/* -*- Mode: Objective-C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 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/. */
#include "RootAccessibleWrap.h"
#import "mozDocAccessible.h"
#import "mozView.h"
// This must be included last:
#include "nsObjCExceptions.h"
using namespace mozilla::a11y;
static id <mozAccessible, mozView>
getNativeViewFromRootAccessible(Accessible* aAccessible)
{
RootAccessibleWrap* root =
static_cast<RootAccessibleWrap*>(aAccessible->AsRoot());
id <mozAccessible, mozView> nativeView = nil;
root->GetNativeWidget ((void**)&nativeView);
return nativeView;
}
#pragma mark -
@implementation mozRootAccessible
- (NSArray*)accessibilityAttributeNames
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NIL;
// if we're expired, we don't support any attributes.
if (![self getGeckoAccessible])
return [NSArray array];
// standard attributes that are shared and supported by root accessible (AXMain) elements.
static NSMutableArray* attributes = nil;
if (!attributes) {
attributes = [[super accessibilityAttributeNames] mutableCopy];
[attributes addObject:NSAccessibilityMainAttribute];
[attributes addObject:NSAccessibilityMinimizedAttribute];
}
return attributes;
NS_OBJC_END_TRY_ABORT_BLOCK_NIL;
}
- (id)accessibilityAttributeValue:(NSString *)attribute
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NIL;
if ([attribute isEqualToString:NSAccessibilityMainAttribute])
return [NSNumber numberWithBool:[[self window] isMainWindow]];
if ([attribute isEqualToString:NSAccessibilityMinimizedAttribute])
return [NSNumber numberWithBool:[[self window] isMiniaturized]];
return [super accessibilityAttributeValue:attribute];
NS_OBJC_END_TRY_ABORT_BLOCK_NIL;
}
// return the AXParent that our parallell NSView tells us about.
- (id)parent
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NIL;
if (!mParallelView)
mParallelView = (id<mozView, mozAccessible>)[self representedView];
if (mParallelView)
return [mParallelView accessibilityAttributeValue:NSAccessibilityParentAttribute];
NSAssert(mParallelView, @"we're a root accessible w/o native view?");
return [super parent];
NS_OBJC_END_TRY_ABORT_BLOCK_NIL;
}
- (BOOL)hasRepresentedView
{
return YES;
}
// this will return our parallell NSView. see mozDocAccessible.h
- (id)representedView
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NIL;
if (mParallelView)
return (id)mParallelView;
mParallelView = getNativeViewFromRootAccessible ([self getGeckoAccessible]);
NSAssert(mParallelView, @"can't return root accessible's native parallel view.");
return mParallelView;
NS_OBJC_END_TRY_ABORT_BLOCK_NIL;
}
- (BOOL)isRoot
{
return YES;
}
@end
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