| /* |
| * Copyright (C) 2014 - 2019 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 "config.h" |
| #import "WKSyntheticTapGestureRecognizer.h" |
| |
| #if PLATFORM(IOS_FAMILY) |
| |
| #import <UIKit/UIGestureRecognizerSubclass.h> |
| #import <wtf/RetainPtr.h> |
| #import <wtf/WeakObjCPtr.h> |
| |
| @implementation WKSyntheticTapGestureRecognizer { |
| id _gestureIdentifiedTarget; |
| SEL _gestureIdentifiedAction; |
| id _gestureFailedTarget; |
| SEL _gestureFailedAction; |
| id _resetTarget; |
| SEL _resetAction; |
| RetainPtr<NSNumber> _lastActiveTouchIdentifier; |
| WeakObjCPtr<UIScrollView> _lastTouchedScrollView; |
| } |
| |
| - (void)setGestureIdentifiedTarget:(id)target action:(SEL)action |
| { |
| _gestureIdentifiedTarget = target; |
| _gestureIdentifiedAction = action; |
| } |
| |
| - (void)setGestureFailedTarget:(id)target action:(SEL)action |
| { |
| _gestureFailedTarget = target; |
| _gestureFailedAction = action; |
| } |
| |
| - (void)setResetTarget:(id)target action:(SEL)action |
| { |
| _resetTarget = target; |
| _resetAction = action; |
| } |
| |
| - (void)setState:(UIGestureRecognizerState)state |
| { |
| if (state == UIGestureRecognizerStateEnded) |
| [_gestureIdentifiedTarget performSelector:_gestureIdentifiedAction withObject:self]; |
| else if (state == UIGestureRecognizerStateFailed) |
| [_gestureFailedTarget performSelector:_gestureFailedAction withObject:self]; |
| [super setState:state]; |
| } |
| |
| - (void)reset |
| { |
| [super reset]; |
| [_resetTarget performSelector:_resetAction withObject:self]; |
| _lastActiveTouchIdentifier = nil; |
| _lastTouchedScrollView = nil; |
| } |
| |
| - (void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event |
| { |
| [super touchesBegan:touches withEvent:event]; |
| |
| for (UITouch *touch in touches) { |
| if ([touch.view isKindOfClass:UIScrollView.class]) { |
| _lastTouchedScrollView = (UIScrollView *)touch.view; |
| break; |
| } |
| } |
| } |
| |
| - (void)touchesEnded:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event |
| { |
| [super touchesEnded:touches withEvent:event]; |
| if (!_supportingWebTouchEventsGestureRecognizer) |
| return; |
| |
| NSMapTable<NSNumber *, UITouch *> *activeTouches = [_supportingWebTouchEventsGestureRecognizer activeTouchesByIdentifier]; |
| for (NSNumber *touchIdentifier in activeTouches) { |
| UITouch *touch = [activeTouches objectForKey:touchIdentifier]; |
| if ([touch.gestureRecognizers containsObject:self]) { |
| _lastActiveTouchIdentifier = touchIdentifier; |
| break; |
| } |
| } |
| } |
| |
| - (UIScrollView *)lastTouchedScrollView |
| { |
| return _lastTouchedScrollView.get().get(); |
| } |
| |
| - (NSNumber*)lastActiveTouchIdentifier |
| { |
| return _lastActiveTouchIdentifier.get(); |
| } |
| |
| @end |
| |
| #endif |