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70 lines
2.0 KiB
Objective-C
70 lines
2.0 KiB
Objective-C
/* -*- 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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#import <Cocoa/Cocoa.h>
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#import "mozView.h"
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/* This protocol's primary use is so widget/cocoa can talk back to us
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properly.
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ChildView owns the topmost mozRootAccessible, and needs to take care of setting up
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that parent/child relationship.
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This protocol is thus used to make sure it knows it's talking to us, and not
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just some random |id|.
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*/
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@protocol mozAccessible
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// returns whether this accessible is the root accessible. there is one
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// root accessible per window.
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- (BOOL)isRoot;
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// some mozAccessibles implement accessibility support in place of another object. for example,
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// ChildView gets its support from us.
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//
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// instead of returning a mozAccessible to the OS when it wants an object, we need to pass the view we represent, so the
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// OS doesn't get confused and think we return some random object.
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- (BOOL)hasRepresentedView;
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- (id)representedView;
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#ifdef DEBUG
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// debug utility that will print the native accessibility tree, starting
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// at this node.
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- (void)printHierarchy;
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#endif
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/*** general ***/
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// returns the accessible at the specified point.
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- (id)accessibilityHitTest:(NSPoint)point;
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// whether this element is flagged as ignored.
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- (BOOL)accessibilityIsIgnored;
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// currently focused UI element (possibly a child accessible)
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- (id)accessibilityFocusedUIElement;
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/*** attributes ***/
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// all supported attributes
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- (NSArray*)accessibilityAttributeNames;
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// value for given attribute.
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- (id)accessibilityAttributeValue:(NSString*)attribute;
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// whether a particular attribute can be modified
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- (BOOL)accessibilityIsAttributeSettable:(NSString*)attribute;
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/*** actions ***/
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- (NSArray*)accessibilityActionNames;
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- (NSString*)accessibilityActionDescription:(NSString*)action;
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- (void)accessibilityPerformAction:(NSString*)action;
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@end
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