Make the BrowserAccessibilityManagerMac own the management of the cocoa ax tree.

BUG=55657
TEST=passing unit tests.

Review URL: http://codereview.chromium.org/3826002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@63110 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 52 insertions, 0 deletions

diff --git a/chrome/browser/accessibility/browser_accessibility_cocoa.h b/chrome/browser/accessibility/browser_accessibility_cocoa.h
new file mode 100644
index 0000000..170c713
--- /dev/null
+++ b/chrome/browser/accessibility/browser_accessibility_cocoa.h
@@ -0,0 +1,52 @@
+// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CHROME_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_COCOA_H_
+#define CHROME_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_COCOA_H_
+#pragma once
+
+#import <Cocoa/Cocoa.h>
+
+#import "base/scoped_nsobject.h"
+#import "chrome/browser/accessibility/browser_accessibility_delegate_mac.h"
+#include "chrome/browser/accessibility/browser_accessibility.h"
+
+// BrowserAccessibilityCocoa is a cocoa wrapper around the BrowserAccessibility
+// object. The renderer converts webkit's accessibility tree into a
+// WebAccessibility tree and passes it to the browser process over IPC.
+// This class converts it into a format Cocoa can query.
+@interface BrowserAccessibilityCocoa : NSObject {
+ @private
+  BrowserAccessibility* browserAccessibility_;
+  id<BrowserAccessibilityDelegateCocoa> delegate_;
+}
+
+// This creates a cocoa browser accessibility object around
+// the cross platform BrowserAccessibility object.  The delegate is
+// used to communicate with the host renderer.  None of these
+// parameters can be null.
+- (id)initWithObject:(BrowserAccessibility*)accessibility
+            delegate:(id<BrowserAccessibilityDelegateCocoa>)delegate;
+
+// Backing source of accessibility info.
+@property(nonatomic, assign) BrowserAccessibility* browserAccessibility;
+// Children is an array of BrowserAccessibility objects, representing
+// the accessibility children of this object.
+@property(nonatomic, readonly) NSArray* children;
+// isIgnored returns whether or not the accessibility object
+// should be ignored by the accessibility hierarchy.
+@property(nonatomic, readonly, getter=isIgnored) BOOL ignored;
+// The origin of this object in the page's document.
+// This is relative to webkit's top-left origin, not Cocoa's
+// bottom-left origin.
+@property(nonatomic, readonly) NSPoint origin;
+// A string indicating the role of this object as far as accessibility
+// is concerned.
+@property(nonatomic, readonly) NSString* role;
+// The size of this object.
+@property(nonatomic, readonly) NSSize size;
+
+@end
+
+#endif // CHROME_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_COCOA_H_