/*
 * Copyright (C) 2014 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGE.
 */

#import <WebKit/WKFoundation.h>

#import <Foundation/Foundation.h>

NS_ASSUME_NONNULL_BEGIN

@class WKContentWorld;
@class WKFrameInfo;
@class WKWebView;

/*! A WKScriptMessage object contains information about a message sent from
 a webpage.
 */
WK_EXTERN API_AVAILABLE(macos(10.10), ios(8.0))
@interface WKScriptMessage : NSObject

/*! @abstract The body of the message.
 @discussion Allowed types are NSNumber, NSString, NSDate, NSArray,
 NSDictionary, and NSNull.
 */
@property (nonatomic, readonly, copy) id body;

/*! @abstract The web view sending the message. */
@property (nullable, nonatomic, readonly, weak) WKWebView *webView;

/*! @abstract The frame sending the message. */
@property (nonatomic, readonly, copy) WKFrameInfo *frameInfo;

/*! @abstract The name of the message handler to which the message is sent.
 */
@property (nonatomic, readonly, copy) NSString *name;

/*! @abstract The content world from which the message was sent. */
@property (nonatomic, readonly) WKContentWorld *world API_AVAILABLE(macos(11.0), ios(14.0));

@end

NS_ASSUME_NONNULL_END
