gecko-dev/accessible/mac/mozRootAccessible.mm

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/* clang-format off */
/* -*- Mode: Objective-C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* clang-format on */
/* 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 "mozRootAccessible.h"
#import "mozView.h"
#include "gfxPlatform.h"
// This must be included last:
#include "nsObjCExceptions.h"
using namespace mozilla::a11y;
static id<mozAccessible, mozView> getNativeViewFromRootAccessible(
LocalAccessible* aAccessible) {
RootAccessibleWrap* root =
static_cast<RootAccessibleWrap*>(aAccessible->AsRoot());
id<mozAccessible, mozView> nativeView = nil;
root->GetNativeWidget((void**)&nativeView);
return nativeView;
}
#pragma mark -
@implementation mozRootAccessible
- (id)initWithAccessible:(mozilla::a11y::Accessible*)aAcc {
NS_OBJC_BEGIN_TRY_BLOCK_RETURN;
MOZ_ASSERT(!aAcc->IsRemote(), "mozRootAccessible is never a proxy");
mParallelView = getNativeViewFromRootAccessible(aAcc->AsLocal());
return [super initWithAccessible:aAcc];
NS_OBJC_END_TRY_BLOCK_RETURN(nil);
}
- (NSNumber*)moxMain {
return @([[self moxWindow] isMainWindow]);
}
- (NSNumber*)moxMinimized {
return @([[self moxWindow] isMiniaturized]);
}
// return the AXParent that our parallell NSView tells us about.
- (id)moxUnignoredParent {
NS_OBJC_BEGIN_TRY_BLOCK_RETURN;
// If there is no represented view (eg. headless), this will return nil.
return [[self representedView]
accessibilityAttributeValue:NSAccessibilityParentAttribute];
NS_OBJC_END_TRY_BLOCK_RETURN(nil);
}
- (BOOL)hasRepresentedView {
return YES;
}
// this will return our parallell NSView. see mozDocAccessible.h
- (id)representedView {
NS_OBJC_BEGIN_TRY_BLOCK_RETURN;
MOZ_ASSERT(mParallelView || gfxPlatform::IsHeadless(),
"root accessible does not have a native parallel view.");
return mParallelView;
NS_OBJC_END_TRY_BLOCK_RETURN(nil);
}
- (BOOL)isRoot {
return YES;
}
@end