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38 lines
1.2 KiB
38 lines
1.2 KiB
/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#import "WALTTouch.h"
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@implementation WALTTouch
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- (instancetype)initWithEvent:(UIEvent *)event {
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if ((self = [super init])) {
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if ([event allTouches].count > 1) {
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NSLog(@"Multiple touches in event; taking any.");
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}
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self.kernelTime = event.timestamp;
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UITouch *touch = [[event allTouches] anyObject];
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self.phase = touch.phase;
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if ([touch respondsToSelector:@selector(preciseLocationInView:)]) { // iOS 9.1+
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self.location = [touch preciseLocationInView:nil];
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} else {
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self.location = [touch locationInView:nil];
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}
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}
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return self;
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}
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@end
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