1 /* clang-format off */ 2 /* -*- Mode: Objective-C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ 3 /* clang-format on */ 4 /* This Source Code Form is subject to the terms of the Mozilla Public 5 * License, v. 2.0. If a copy of the MPL was not distributed with this 6 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ 7 8 #import <Cocoa/Cocoa.h> 9 10 #import "mozView.h" 11 12 /* This protocol's primary use is so widget/cocoa can talk back to us 13 properly. 14 15 ChildView owns the topmost mozRootAccessible, and needs to take care of 16 setting up that parent/child relationship. 17 18 This protocol is thus used to make sure it knows it's talking to us, and not 19 just some random |id|. 20 */ 21 22 @protocol mozAccessible 23 24 // returns whether this accessible is the root accessible. there is one 25 // root accessible per window. 26 - (BOOL)isRoot; 27 28 // some mozAccessibles implement accessibility support in place of another 29 // object. for example, ChildView gets its support from us. 30 // 31 // instead of returning a mozAccessible to the OS when it wants an object, we 32 // need to pass the view we represent, so the OS doesn't get confused and think 33 // we return some random object. 34 - (BOOL)hasRepresentedView; 35 - (id)representedView; 36 37 /*** general ***/ 38 39 // returns the accessible at the specified point. 40 - (id)accessibilityHitTest:(NSPoint)point; 41 42 // whether this element should be exposed to platform. 43 - (BOOL)isAccessibilityElement; 44 45 // currently focused UI element (possibly a child accessible) 46 - (id)accessibilityFocusedUIElement; 47 48 /*** attributes ***/ 49 50 // all supported attributes 51 - (NSArray*)accessibilityAttributeNames; 52 53 // value for given attribute. 54 - (id)accessibilityAttributeValue:(NSString*)attribute; 55 56 // whether a particular attribute can be modified 57 - (BOOL)accessibilityIsAttributeSettable:(NSString*)attribute; 58 59 /*** actions ***/ 60 61 - (NSArray*)accessibilityActionNames; 62 - (NSString*)accessibilityActionDescription:(NSString*)action; 63 - (void)accessibilityPerformAction:(NSString*)action; 64 65 @end 66