REGRESSION: fast/events/watchos/double-tap-to-zoom* tests crashing in com.apple.WebKi...
[WebKit-https.git] / Source / WebKit / UIProcess / ios / WKSyntheticTapGestureRecognizer.mm
1 /*
2  * Copyright (C) 2014 - 2019 Apple Inc. All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions
6  * are met:
7  * 1. Redistributions of source code must retain the above copyright
8  *    notice, this list of conditions and the following disclaimer.
9  * 2. Redistributions in binary form must reproduce the above copyright
10  *    notice, this list of conditions and the following disclaimer in the
11  *    documentation and/or other materials provided with the distribution.
12  *
13  * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23  * THE POSSIBILITY OF SUCH DAMAGE.
24  */
25
26 #import "config.h"
27 #import "WKSyntheticTapGestureRecognizer.h"
28
29 #if PLATFORM(IOS_FAMILY)
30
31 #import <UIKit/UIGestureRecognizerSubclass.h>
32 #import <wtf/RetainPtr.h>
33
34 @implementation WKSyntheticTapGestureRecognizer {
35     id _gestureIdentifiedTarget;
36     SEL _gestureIdentifiedAction;
37     id _gestureFailedTarget;
38     SEL _gestureFailedAction;
39     id _resetTarget;
40     SEL _resetAction;
41     RetainPtr<NSNumber> _lastActiveTouchIdentifier;
42 }
43
44 - (void)setGestureIdentifiedTarget:(id)target action:(SEL)action
45 {
46     _gestureIdentifiedTarget = target;
47     _gestureIdentifiedAction = action;
48 }
49
50 - (void)setGestureFailedTarget:(id)target action:(SEL)action
51 {
52     _gestureFailedTarget = target;
53     _gestureFailedAction = action;
54 }
55
56 - (void)setResetTarget:(id)target action:(SEL)action
57 {
58     _resetTarget = target;
59     _resetAction = action;
60 }
61
62 - (void)setState:(UIGestureRecognizerState)state
63 {
64     if (state == UIGestureRecognizerStateEnded)
65         [_gestureIdentifiedTarget performSelector:_gestureIdentifiedAction withObject:self];
66     else if (state == UIGestureRecognizerStateFailed)
67         [_gestureFailedTarget performSelector:_gestureFailedAction withObject:self];
68     [super setState:state];
69 }
70
71 - (void)reset
72 {
73     [super reset];
74     [_resetTarget performSelector:_resetAction withObject:self];
75 #if ENABLE(POINTER_EVENTS) 
76     _lastActiveTouchIdentifier = nil;
77 #endif
78 }
79
80 - (void)touchesEnded:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event
81 {
82     [super touchesEnded:touches withEvent:event];
83 #if ENABLE(POINTER_EVENTS)
84     if (!_supportingWebTouchEventsGestureRecognizer)
85         return;
86
87     // FIXME: <rdar://problem/48035706>
88     NSMapTable<NSNumber *, UITouch *> *activeTouches = [_supportingWebTouchEventsGestureRecognizer activeTouchesByIdentifier];
89     for (NSNumber *touchIdentifier in activeTouches) {
90         UITouch *touch = [activeTouches objectForKey:touchIdentifier];
91         if ([touch.gestureRecognizers containsObject:self]) {
92             _lastActiveTouchIdentifier = touchIdentifier;
93             break;
94         }
95     }
96 #endif
97 }
98
99 - (NSNumber*)lastActiveTouchIdentifier
100 {
101     return _lastActiveTouchIdentifier.get();
102 }
103
104 @end
105
106 #endif