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
