/* Copyright (c) 2020, 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. 3. Neither the name of the copyright holder(s) nor the names of any contributors may be used to endorse or promote products derived from this software without specific prior written permission. No license is granted to the trademarks of the copyright holders even if such marks are included in this software. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT OWNER OR 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 "ORKCustomSignatureFooterView_Private.h" #import "ORKSignatureView.h" #import "ORKWebViewStep.h" #import "ORKSignatureResult_Private.h" #import "ORKHelpers_Internal.h" #import "ORKTextButton.h" #import "ORKResult_Private.h" static const CGFloat ORKSignatureToClearPadding = 15.0; NSString * const SignatureViewAccessibilityIdentifier = @"ORKSignatureView"; NSString * const ORKSignatureViewClearButtonAccessibilityIdentifier = @"ORKSignatureViewClearButton"; @implementation ORKCustomSignatureFooterView { NSMutableArray *_constraints; ORKSignatureView *_signatureView; ORKTextButton *_clearButton; UIView *_customFooterView; UIView *_customHeaderView; } - (instancetype)init { self = [super init]; if (self) { [self configure]; } return self; } - (void)configure { if (!_signatureView) { _signatureView = [[ORKSignatureView alloc] initWithoutDefaultWidth]; _signatureView.accessibilityIdentifier = SignatureViewAccessibilityIdentifier; [self addSubview:_signatureView]; } if (!_clearButton) { _clearButton = [[ORKTextButton alloc] init]; [_clearButton.titleLabel setFont:[UIFont preferredFontForTextStyle:UIFontTextStyleSubheadline]]; [_clearButton setTitle:ORKLocalizedString(@"BUTTON_CLEAR_SIGNATURE", nil) forState:UIControlStateNormal]; [_clearButton addTarget:self action:@selector(clear) forControlEvents:UIControlEventTouchUpInside]; _clearButton.accessibilityIdentifier = ORKSignatureViewClearButtonAccessibilityIdentifier; [self addSubview:_clearButton]; } if (_customViewProvider && [_customViewProvider respondsToSelector:@selector(customHeaderViewForSignatureContent)]) { _customHeaderView = [_customViewProvider customHeaderViewForSignatureContent]; _customHeaderView.customViewDelegate = self; [self addSubview:_customHeaderView]; } if (_customViewProvider && [_customViewProvider respondsToSelector:@selector(customFooterViewForSignatureContent)]) { _customFooterView = [_customViewProvider customFooterViewForSignatureContent]; _customFooterView.customViewDelegate = self; [self addSubview:_customFooterView]; } [self configureConstraints]; } - (void)configureConstraints { if (_constraints) { [NSLayoutConstraint deactivateConstraints:_constraints]; _constraints = nil; } _signatureView.translatesAutoresizingMaskIntoConstraints = NO; _clearButton.translatesAutoresizingMaskIntoConstraints = NO; _constraints = [[NSMutableArray alloc] initWithArray:@[ [NSLayoutConstraint constraintWithItem:_signatureView attribute:NSLayoutAttributeLeading relatedBy:NSLayoutRelationEqual toItem:self attribute:NSLayoutAttributeLeading multiplier:1.0 constant:0.0], [NSLayoutConstraint constraintWithItem:_signatureView attribute:NSLayoutAttributeTrailing relatedBy:NSLayoutRelationEqual toItem:self attribute:NSLayoutAttributeTrailing multiplier:1.0 constant:0.0], [NSLayoutConstraint constraintWithItem:_clearButton attribute:NSLayoutAttributeTop relatedBy:NSLayoutRelationEqual toItem:_signatureView attribute:NSLayoutAttributeBottom multiplier:1.0 constant:ORKSignatureToClearPadding], [NSLayoutConstraint constraintWithItem:_clearButton attribute:NSLayoutAttributeLeading relatedBy:NSLayoutRelationEqual toItem:self attribute:NSLayoutAttributeLeading multiplier:1.0 constant:0.0], [NSLayoutConstraint constraintWithItem:_clearButton attribute:NSLayoutAttributeTrailing relatedBy:NSLayoutRelationEqual toItem:self attribute:NSLayoutAttributeTrailing multiplier:1.0 constant:0.0] ]]; if (_customHeaderView) { _customHeaderView.translatesAutoresizingMaskIntoConstraints = NO; [_constraints addObjectsFromArray:@[ [NSLayoutConstraint constraintWithItem:_signatureView attribute:NSLayoutAttributeTop relatedBy:NSLayoutRelationEqual toItem:_customHeaderView attribute:NSLayoutAttributeBottom multiplier:1.0 constant:ORKSignatureToClearPadding], [NSLayoutConstraint constraintWithItem:_customHeaderView attribute:NSLayoutAttributeTop relatedBy:NSLayoutRelationEqual toItem:self attribute:NSLayoutAttributeTop multiplier:1.0 constant:0.0], [NSLayoutConstraint constraintWithItem:_customHeaderView attribute:NSLayoutAttributeLeading relatedBy:NSLayoutRelationEqual toItem:self attribute:NSLayoutAttributeLeading multiplier:1.0 constant:0.0], [NSLayoutConstraint constraintWithItem:_customHeaderView attribute:NSLayoutAttributeTrailing relatedBy:NSLayoutRelationEqual toItem:self attribute:NSLayoutAttributeTrailing multiplier:1.0 constant:0.0] ]]; } else { [_constraints addObjectsFromArray:@[ [NSLayoutConstraint constraintWithItem:_signatureView attribute:NSLayoutAttributeTop relatedBy:NSLayoutRelationEqual toItem:self attribute:NSLayoutAttributeTop multiplier:1.0 constant:0.0] ]]; } if (_customFooterView) { _customFooterView.translatesAutoresizingMaskIntoConstraints = NO; [_constraints addObjectsFromArray:@[ [NSLayoutConstraint constraintWithItem:_customFooterView attribute:NSLayoutAttributeTop relatedBy:NSLayoutRelationEqual toItem:_clearButton attribute:NSLayoutAttributeBottom multiplier:1.0 constant:ORKSignatureToClearPadding / 2.0], [NSLayoutConstraint constraintWithItem:_customFooterView attribute:NSLayoutAttributeBottom relatedBy:NSLayoutRelationEqual toItem:self attribute:NSLayoutAttributeBottom multiplier:1.0 constant:0.0], [NSLayoutConstraint constraintWithItem:_customFooterView attribute:NSLayoutAttributeLeading relatedBy:NSLayoutRelationEqual toItem:self attribute:NSLayoutAttributeLeading multiplier:1.0 constant:0.0], [NSLayoutConstraint constraintWithItem:_customFooterView attribute:NSLayoutAttributeTrailing relatedBy:NSLayoutRelationEqual toItem:self attribute:NSLayoutAttributeTrailing multiplier:1.0 constant:0.0] ]]; } else { [_constraints addObjectsFromArray:@[ [NSLayoutConstraint constraintWithItem:_clearButton attribute:NSLayoutAttributeBottom relatedBy:NSLayoutRelationEqual toItem:self attribute:NSLayoutAttributeBottom multiplier:1.0 constant:0] ]]; } [NSLayoutConstraint activateConstraints:_constraints]; [self setNeedsLayout]; } - (void)setEnabled:(BOOL)enabled { [_signatureView setEnabled:enabled]; } - (void)setSignatureViewDelegate:(id)signatureViewDelegate { _signatureViewDelegate = signatureViewDelegate; _signatureView.delegate = signatureViewDelegate; } - (void)setCustomViewProvider:(id _Nullable)customViewProvider { _customViewProvider = customViewProvider; [self configure]; } - (BOOL)isComplete { BOOL complete = _signatureView.signatureExists; if (_customFooterView) { complete = complete && [_customFooterView isComplete]; } if (_customHeaderView) { complete = complete && [_customHeaderView isComplete]; } return complete; } - (void)updateIsComplete { if (self.delegate && [self.delegate respondsToSelector:@selector(signatureFooterView:didChangeCompletedStatus:)]) { [self.delegate signatureFooterView:self didChangeCompletedStatus:[self isComplete]]; } } - (ORKSignatureResult * _Nullable)resultWithIdentifier:(NSString *)identifier { if (![self isComplete]) { return nil; } ORKSignatureResult *parentResult = [[ORKSignatureResult alloc] initWithIdentifier:identifier signatureImage:_signatureView.signatureImage signaturePath:_signatureView.signaturePath]; if (_customHeaderView || _customFooterView) { NSMutableDictionary *userInfo = [parentResult.userInfo mutableCopy]; if (!userInfo) { userInfo = [[NSMutableDictionary alloc] init]; } [userInfo addEntriesFromDictionary: [_customHeaderView resultUserInfo]]; [userInfo addEntriesFromDictionary: [_customFooterView resultUserInfo]]; parentResult.userInfo = userInfo; } return parentResult; } - (void)clear { [_signatureView clear]; [self updateIsComplete]; } - (void)cancelAutoScrollTimer { [_signatureView cancelAutoScrollTimer]; } - (CGRect)signatureViewFrame { return _signatureView.frame; } // MARK: ORKCustomSignatureAccessoryViewDelegate - (void)customViewDidChangeCompletedState:(UIView *)customView { [self updateIsComplete]; } - (CGRect)rectInFooterViewForRect:(CGRect)rect { return [_customFooterView convertRect:rect toView:self]; } - (CGRect)rectInHeaderViewForRect:(CGRect)rect { return [_customHeaderView convertRect:rect toView:self]; } @end