michael@0: /* -*- Mode: Objective-C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #include "RootAccessibleWrap.h"
michael@0: 
michael@0: #import "mozDocAccessible.h"
michael@0: 
michael@0: #import "mozView.h"
michael@0: 
michael@0: // This must be included last:
michael@0: #include "nsObjCExceptions.h"
michael@0: 
michael@0: using namespace mozilla::a11y;
michael@0: 
michael@0: static id <mozAccessible, mozView> 
michael@0: getNativeViewFromRootAccessible(Accessible* aAccessible)
michael@0: {
michael@0:   RootAccessibleWrap* root =
michael@0:     static_cast<RootAccessibleWrap*>(aAccessible->AsRoot());
michael@0:   id <mozAccessible, mozView> nativeView = nil;
michael@0:   root->GetNativeWidget ((void**)&nativeView);
michael@0:   return nativeView;
michael@0: }
michael@0: 
michael@0: #pragma mark -
michael@0: 
michael@0: @implementation mozRootAccessible
michael@0: 
michael@0: - (NSArray*)accessibilityAttributeNames
michael@0: {
michael@0:   NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NIL;
michael@0:   
michael@0:   // if we're expired, we don't support any attributes.
michael@0:   if (!mGeckoAccessible)
michael@0:     return [NSArray array];
michael@0:   
michael@0:   // standard attributes that are shared and supported by root accessible (AXMain) elements.
michael@0:   static NSMutableArray* attributes = nil;
michael@0:   
michael@0:   if (!attributes) {
michael@0:     attributes = [[super accessibilityAttributeNames] mutableCopy];
michael@0:     [attributes addObject:NSAccessibilityMainAttribute];
michael@0:     [attributes addObject:NSAccessibilityMinimizedAttribute];
michael@0:   }
michael@0: 
michael@0:   return attributes;
michael@0: 
michael@0:   NS_OBJC_END_TRY_ABORT_BLOCK_NIL;
michael@0: }
michael@0: 
michael@0: - (id)accessibilityAttributeValue:(NSString *)attribute
michael@0: {
michael@0:   NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NIL;
michael@0:   
michael@0:   if ([attribute isEqualToString:NSAccessibilityMainAttribute])
michael@0:     return [NSNumber numberWithBool:[[self window] isMainWindow]];
michael@0:   if ([attribute isEqualToString:NSAccessibilityMinimizedAttribute])
michael@0:     return [NSNumber numberWithBool:[[self window] isMiniaturized]];
michael@0: 
michael@0:   return [super accessibilityAttributeValue:attribute];
michael@0:   
michael@0:   NS_OBJC_END_TRY_ABORT_BLOCK_NIL;
michael@0: }
michael@0: 
michael@0: 
michael@0: // return the AXParent that our parallell NSView tells us about.
michael@0: - (id)parent
michael@0: {
michael@0:   NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NIL;
michael@0: 
michael@0:   if (!mParallelView)
michael@0:     mParallelView = (id<mozView, mozAccessible>)[self representedView];
michael@0:   
michael@0:   if (mParallelView)
michael@0:     return [mParallelView accessibilityAttributeValue:NSAccessibilityParentAttribute];
michael@0:   
michael@0:   NSAssert(mParallelView, @"we're a root accessible w/o native view?");
michael@0:   return [super parent];
michael@0: 
michael@0:   NS_OBJC_END_TRY_ABORT_BLOCK_NIL;
michael@0: }
michael@0: 
michael@0: - (BOOL)hasRepresentedView
michael@0: {
michael@0:   return YES;
michael@0: }
michael@0: 
michael@0: // this will return our parallell NSView. see mozDocAccessible.h
michael@0: - (id)representedView
michael@0: {
michael@0:   NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NIL;
michael@0: 
michael@0:   if (mParallelView)
michael@0:     return (id)mParallelView;
michael@0:   
michael@0:   mParallelView = getNativeViewFromRootAccessible (mGeckoAccessible);
michael@0:   
michael@0:   NSAssert(mParallelView, @"can't return root accessible's native parallel view.");
michael@0:   return mParallelView;
michael@0: 
michael@0:   NS_OBJC_END_TRY_ABORT_BLOCK_NIL;
michael@0: }
michael@0: 
michael@0: - (BOOL)isRoot
michael@0: {
michael@0:   return YES;
michael@0: }
michael@0: 
michael@0: @end