// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef UI_BASE_COCOA_REMOTE_ACCESSIBILITY_API_H_
#define UI_BASE_COCOA_REMOTE_ACCESSIBILITY_API_H_

#import <Cocoa/Cocoa.h>

#include <vector>

#include "base/component_export.h"

// NSAccessibilityRemoteUIElement is a private class in AppKit.

@interface NSAccessibilityRemoteUIElement : NSObject
+ (void)setRemoteUIApp:(BOOL)flag;
+ (BOOL)isRemoteUIApp;
+ (void)registerRemoteUIProcessIdentifier:(int)pid;
+ (NSData*)remoteTokenForLocalUIElement:(id)element;
- (id)initWithRemoteToken:(NSData*)token;
- (pid_t)processIdentifier;
- (void)accessibilitySetPresenterProcessIdentifier:(pid_t)presenterPID;
@property(strong) id windowUIElement;
@property(strong) id topLevelUIElement;
@end

namespace ui {

// Helper functions to implement the above functions using std::vectors instead
// of NSData.
class COMPONENT_EXPORT(UI_BASE) RemoteAccessibility {
 public:
  static std::vector<uint8_t> GetTokenForLocalElement(id element);
  static NSAccessibilityRemoteUIElement* GetRemoteElementFromToken(
      const std::vector<uint8_t>& token);
};

}  // namespace ui

#endif  // UI_BASE_COCOA_REMOTE_ACCESSIBILITY_API_H_