215 lines
8.6 KiB
Objective-C
215 lines
8.6 KiB
Objective-C
/*
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Copyright (c) 2018, Muh-Tarng Lin. All rights reserved.
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Redistribution and use in source and binary forms, with or without modification,
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are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice, this
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list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation and/or
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other materials provided with the distribution.
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3. Neither the name of the copyright holder(s) nor the names of any contributors
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may be used to endorse or promote products derived from this software without
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specific prior written permission. No license is granted to the trademarks of
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the copyright holders even if such marks are included in this software.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
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FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#import "ORKTouchAbilityLongPressContentView.h"
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#import "ORKTouchAbilityLongPressTrial.h"
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#import "ORKHelpers_Internal.h"
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@interface ORKTouchAbilityLongPressContentView ()
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@property (nonatomic, assign) BOOL success;
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@property (nonatomic, assign) NSUInteger numberOfColumns;
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@property (nonatomic, assign) NSUInteger numberOfRows;
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@property (nonatomic, assign) NSUInteger targetColumn;
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@property (nonatomic, assign) NSUInteger targetRow;
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@property (nonatomic, assign) CGSize targetSize;
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@property (nonatomic, strong) UIView *targetView;
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@property (nonatomic, strong) UILongPressGestureRecognizer *longPressGestureRecognizer;
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@property (nonatomic, copy) NSArray *targetConstraints;
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@end
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@implementation ORKTouchAbilityLongPressContentView
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#pragma mark - Properties
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- (UIView *)targetView {
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if (!_targetView) {
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_targetView = [[UIView alloc] initWithFrame:CGRectZero];
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}
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return _targetView;
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}
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- (UILongPressGestureRecognizer *)longPressGestureRecognizer {
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if (!_longPressGestureRecognizer) {
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_longPressGestureRecognizer = [[UILongPressGestureRecognizer alloc] initWithTarget:self action:@selector(handleLongPressGestureRecognizer:)];
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}
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return _longPressGestureRecognizer;
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}
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#pragma mark - UIView
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- (instancetype)initWithFrame:(CGRect)frame {
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self = [super initWithFrame:frame];
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if (self) {
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self.targetView.backgroundColor = self.tintColor;
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self.targetView.translatesAutoresizingMaskIntoConstraints = NO;
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[self.contentView addSubview:self.targetView];
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self.longPressGestureRecognizer.enabled = NO;
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[self.contentView addGestureRecognizer:self.longPressGestureRecognizer];
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}
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return self;
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}
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- (void)tintColorDidChange {
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[super tintColorDidChange];
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self.targetView.backgroundColor = self.tintColor;
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}
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- (void)updateConstraints {
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[super updateConstraints];
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if (self.numberOfColumns == 0 || self.numberOfRows == 0 || self.targetView.superview == nil) {
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return;
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}
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CGFloat width = self.contentView.frame.size.width / self.numberOfColumns;
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CGFloat height = self.contentView.frame.size.height / self.numberOfRows;
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CGFloat columnMidX = width * (self.targetColumn + 1.0/2.0);
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CGFloat rowMidY = height * (self.targetRow + 1.0/2.0);
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if (self.targetConstraints != nil) {
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[NSLayoutConstraint deactivateConstraints:self.targetConstraints];
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self.targetConstraints = nil;
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}
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NSMutableArray *constraintsArray = [NSMutableArray array];
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[constraintsArray addObject:[NSLayoutConstraint constraintWithItem:self.targetView
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attribute:NSLayoutAttributeWidth
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relatedBy:NSLayoutRelationEqual
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toItem:nil
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attribute:NSLayoutAttributeNotAnAttribute
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multiplier:1.0
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constant:self.targetSize.width]];
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[constraintsArray addObject:[NSLayoutConstraint constraintWithItem:self.targetView
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attribute:NSLayoutAttributeHeight
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relatedBy:NSLayoutRelationEqual
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toItem:nil
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attribute:NSLayoutAttributeNotAnAttribute
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multiplier:1.0
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constant:self.targetSize.height]];
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[constraintsArray addObject:[NSLayoutConstraint constraintWithItem:self.targetView
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attribute:NSLayoutAttributeCenterX
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relatedBy:NSLayoutRelationEqual
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toItem:self.contentView
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attribute:NSLayoutAttributeLeft
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multiplier:1.0
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constant:columnMidX]];
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[constraintsArray addObject:[NSLayoutConstraint constraintWithItem:self.targetView
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attribute:NSLayoutAttributeCenterY
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relatedBy:NSLayoutRelationEqual
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toItem:self.contentView
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attribute:NSLayoutAttributeTop
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multiplier:1.0
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constant:rowMidY]];
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self.targetConstraints = constraintsArray;
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[NSLayoutConstraint activateConstraints:self.targetConstraints];
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}
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#pragma mark - ORKTouchAbilityCustomView
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+ (Class)trialClass {
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return [ORKTouchAbilityLongPressTrial class];
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}
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- (ORKTouchAbilityTrial *)trial {
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ORKTouchAbilityLongPressTrial *trial = (ORKTouchAbilityLongPressTrial *)[super trial];
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trial.targetFrameInWindow = [self.targetView convertRect:self.targetView.bounds toView:nil];
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trial.success = self.success;
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return trial;
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}
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- (void)startTrial {
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[super startTrial];
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self.longPressGestureRecognizer.enabled = YES;
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}
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- (void)endTrial {
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[super endTrial];
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self.longPressGestureRecognizer.enabled = NO;
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}
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- (void)reloadData {
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[self resetTracks];
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self.success = NO;
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self.numberOfColumns = [self.dataSource numberOfColumnsInLongPressContentView:self] ?: 1;
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self.numberOfRows = [self.dataSource numberOfRowsInLongPressContentView:self] ?: 1;
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self.targetColumn = [self.dataSource targetColumnInLongPressContentView:self] ?: 0;
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self.targetRow = [self.dataSource targetRowInLongPressContentView:self] ?: 0;
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NSAssert(self.targetColumn >= 0 && self.targetColumn < self.numberOfColumns, @"Target column out of bounds.");
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NSAssert(self.targetRow >= 0 && self.targetRow < self.numberOfRows, @"target row out of bounds.");
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if ([self.dataSource respondsToSelector:@selector(targetSizeInLongPressContentView:)]) {
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self.targetSize = [self.dataSource targetSizeInLongPressContentView:self];
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} else {
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self.targetSize = CGSizeMake(76, 76);
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}
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[self setNeedsUpdateConstraints];
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[self updateConstraintsIfNeeded];
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}
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#pragma mark - Gesture Recognizer Handler
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- (void)handleLongPressGestureRecognizer:(UILongPressGestureRecognizer *)sender {
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if (sender.state == UIGestureRecognizerStateBegan) {
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if (CGRectContainsPoint(self.targetView.bounds, [sender locationInView:self.targetView])) {
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self.success = YES;
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} else {
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self.success = NO;
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}
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}
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}
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@end
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