FlutterViewResponder.h

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// Copyright 2013 The Flutter 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 FLUTTER_SHELL_PLATFORM_DARWIN_IOS_FRAMEWORK_SOURCE_FLUTTERVIEWRESPONDER_H_
#define FLUTTER_SHELL_PLATFORM_DARWIN_IOS_FRAMEWORK_SOURCE_FLUTTERVIEWRESPONDER_H_
 
#import <Foundation/Foundation.h>
 
NS_ASSUME_NONNULL_BEGIN
 
/**
 * Protocol to send touch events, typically a `FlutterViewController`.
 */
@protocol FlutterViewResponder <NSObject>
 
@property(nonatomic, strong) UIView* view;
 
/**
 * See `-[UIResponder touchesBegan:withEvent:]`
 */
- (void)touchesBegan:(NSSet*)touches withEvent:(UIEvent*)event;
 
/**
 * See `-[UIResponder touchesMoved:withEvent:]`
 */
- (void)touchesMoved:(NSSet*)touches withEvent:(UIEvent*)event;
 
/**
 * See `-[UIResponder touchesEnded:withEvent:]`
 */
- (void)touchesEnded:(NSSet*)touches withEvent:(UIEvent*)event;
 
/**
 * See `-[UIResponder touchesCancelled:withEvent:]`
 */
- (void)touchesCancelled:(NSSet*)touches withEvent:(UIEvent*)event;
 
/**
 * See `-[UIResponder touchesEstimatedPropertiesUpdated:]`
 */
- (void)touchesEstimatedPropertiesUpdated:(NSSet*)touches;
 
/**
 * Send touches to the Flutter Engine while forcing the change type to be cancelled.
 * The `phase`s in `touches` are ignored.
 */
- (void)forceTouchesCancelled:(NSSet*)touches;
 
@end
NS_ASSUME_NONNULL_END
 
#endif  // FLUTTER_SHELL_PLATFORM_DARWIN_IOS_FRAMEWORK_SOURCE_FLUTTERVIEWRESPONDER_H_