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