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