ios/web/web_state/ui/html_element_fetch_request.h

// Copyright 2018 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 IOS_WEB_WEB_STATE_UI_HTML_ELEMENT_FETCH_REQUEST_H_
#define IOS_WEB_WEB_STATE_UI_HTML_ELEMENT_FETCH_REQUEST_H_

#import <Foundation/Foundation.h>

namespace base {
class TimeTicks;
}  // namespace base

// Tracks request details for fetching attributes of an element.
@interface HTMLElementFetchRequest : NSObject

// The time this object was created.
@property(nonatomic, readonly) base::TimeTicks creationTime;

- (instancetype)init NS_UNAVAILABLE;
// Designated initializer to create a new object with the given completion
// handler |foundElementHandler|.
- (instancetype)initWithFoundElementHandler:
    (void (^)(NSDictionary*))foundElementHandler NS_DESIGNATED_INITIALIZER;

// Calls the |foundElementHandler| from the receiver's initializer with
// |response| as the parameter. This method has no effect if |invalidate| has
// been called.
- (void)runHandlerWithResponse:(NSDictionary*)response;
// Removes the stored |foundElementHandler| from the receiver's initializer.
// |runHandlerWithResponse:| will have no effect if called after |invalidate|.
- (void)invalidate;

@end

#endif  // IOS_WEB_WEB_STATE_UI_HTML_ELEMENT_FETCH_REQUEST_H_