1// Copyright (c) 2011 The Chromium Authors. All rights reserved. 2// Use of this source code is governed by a BSD-style license that can be 3// found in the LICENSE file. 4 5#ifndef CHROME_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_COCOA_H_ 6#define CHROME_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_COCOA_H_ 7#pragma once 8 9#import <Cocoa/Cocoa.h> 10 11#import "base/memory/scoped_nsobject.h" 12#import "chrome/browser/accessibility/browser_accessibility_delegate_mac.h" 13#include "chrome/browser/accessibility/browser_accessibility.h" 14 15// BrowserAccessibilityCocoa is a cocoa wrapper around the BrowserAccessibility 16// object. The renderer converts webkit's accessibility tree into a 17// WebAccessibility tree and passes it to the browser process over IPC. 18// This class converts it into a format Cocoa can query. 19// Inheriting from NSView rather than NSObject as clients cannot add 20// observers to pure NSObject derived classes. 21@interface BrowserAccessibilityCocoa : NSView { 22 @private 23 BrowserAccessibility* browserAccessibility_; 24 scoped_nsobject<NSMutableArray> children_; 25 id<BrowserAccessibilityDelegateCocoa> delegate_; 26} 27 28// This creates a cocoa browser accessibility object around 29// the cross platform BrowserAccessibility object. The delegate is 30// used to communicate with the host renderer. None of these 31// parameters can be null. 32- (id)initWithObject:(BrowserAccessibility*)accessibility 33 delegate:(id<BrowserAccessibilityDelegateCocoa>)delegate; 34 35// Invalidate children for a non-ignored ancestor (including self). 36- (void)childrenChanged; 37 38// Children is an array of BrowserAccessibility objects, representing 39// the accessibility children of this object. 40@property(nonatomic, readonly) NSArray* children; 41// isIgnored returns whether or not the accessibility object 42// should be ignored by the accessibility hierarchy. 43@property(nonatomic, readonly, getter=isIgnored) BOOL ignored; 44// The origin of this object in the page's document. 45// This is relative to webkit's top-left origin, not Cocoa's 46// bottom-left origin. 47@property(nonatomic, readonly) NSPoint origin; 48// A string indicating the role of this object as far as accessibility 49// is concerned. 50@property(nonatomic, readonly) NSString* role; 51// The size of this object. 52@property(nonatomic, readonly) NSSize size; 53 54@end 55 56#endif // CHROME_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_COCOA_H_ 57