315 lines
14 KiB
Objective-C
315 lines
14 KiB
Objective-C
/*
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Copyright (c) 2020, Apple Inc. 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 "ORKCustomSignatureFooterView_Private.h"
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#import "ORKSignatureView.h"
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#import "ORKWebViewStep.h"
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#import "ORKSignatureResult_Private.h"
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#import "ORKHelpers_Internal.h"
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#import "ORKTextButton.h"
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#import "ORKResult_Private.h"
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static const CGFloat ORKSignatureToClearPadding = 15.0;
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NSString * const SignatureViewAccessibilityIdentifier = @"ORKSignatureView";
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NSString * const ORKSignatureViewClearButtonAccessibilityIdentifier = @"ORKSignatureViewClearButton";
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@implementation ORKCustomSignatureFooterView {
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NSMutableArray<NSLayoutConstraint *> *_constraints;
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ORKSignatureView *_signatureView;
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ORKTextButton *_clearButton;
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UIView<ORKCustomSignatureAccessoryViewProtocol> *_customFooterView;
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UIView<ORKCustomSignatureAccessoryViewProtocol> *_customHeaderView;
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}
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- (instancetype)init {
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self = [super init];
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if (self) {
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[self configure];
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}
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return self;
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}
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- (void)configure {
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if (!_signatureView) {
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_signatureView = [[ORKSignatureView alloc] initWithoutDefaultWidth];
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_signatureView.accessibilityIdentifier = SignatureViewAccessibilityIdentifier;
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[self addSubview:_signatureView];
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}
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if (!_clearButton) {
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_clearButton = [[ORKTextButton alloc] init];
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[_clearButton.titleLabel setFont:[UIFont preferredFontForTextStyle:UIFontTextStyleSubheadline]];
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[_clearButton setTitle:ORKLocalizedString(@"BUTTON_CLEAR_SIGNATURE", nil) forState:UIControlStateNormal];
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[_clearButton addTarget:self action:@selector(clear) forControlEvents:UIControlEventTouchUpInside];
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_clearButton.accessibilityIdentifier = ORKSignatureViewClearButtonAccessibilityIdentifier;
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[self addSubview:_clearButton];
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}
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if (_customViewProvider && [_customViewProvider respondsToSelector:@selector(customHeaderViewForSignatureContent)]) {
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_customHeaderView = [_customViewProvider customHeaderViewForSignatureContent];
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_customHeaderView.customViewDelegate = self;
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[self addSubview:_customHeaderView];
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}
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if (_customViewProvider && [_customViewProvider respondsToSelector:@selector(customFooterViewForSignatureContent)]) {
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_customFooterView = [_customViewProvider customFooterViewForSignatureContent];
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_customFooterView.customViewDelegate = self;
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[self addSubview:_customFooterView];
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}
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[self configureConstraints];
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}
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- (void)configureConstraints {
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if (_constraints) {
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[NSLayoutConstraint deactivateConstraints:_constraints];
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_constraints = nil;
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}
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_signatureView.translatesAutoresizingMaskIntoConstraints = NO;
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_clearButton.translatesAutoresizingMaskIntoConstraints = NO;
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_constraints = [[NSMutableArray alloc] initWithArray:@[
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[NSLayoutConstraint constraintWithItem:_signatureView
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attribute:NSLayoutAttributeLeading
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relatedBy:NSLayoutRelationEqual
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toItem:self
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attribute:NSLayoutAttributeLeading
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multiplier:1.0
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constant:0.0],
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[NSLayoutConstraint constraintWithItem:_signatureView
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attribute:NSLayoutAttributeTrailing
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relatedBy:NSLayoutRelationEqual
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toItem:self
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attribute:NSLayoutAttributeTrailing
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multiplier:1.0
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constant:0.0],
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[NSLayoutConstraint constraintWithItem:_clearButton
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attribute:NSLayoutAttributeTop
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relatedBy:NSLayoutRelationEqual
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toItem:_signatureView
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attribute:NSLayoutAttributeBottom
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multiplier:1.0
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constant:ORKSignatureToClearPadding],
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[NSLayoutConstraint constraintWithItem:_clearButton
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attribute:NSLayoutAttributeLeading
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relatedBy:NSLayoutRelationEqual
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toItem:self
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attribute:NSLayoutAttributeLeading
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multiplier:1.0
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constant:0.0],
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[NSLayoutConstraint constraintWithItem:_clearButton
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attribute:NSLayoutAttributeTrailing
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relatedBy:NSLayoutRelationEqual
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toItem:self
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attribute:NSLayoutAttributeTrailing
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multiplier:1.0
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constant:0.0]
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]];
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if (_customHeaderView) {
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_customHeaderView.translatesAutoresizingMaskIntoConstraints = NO;
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[_constraints addObjectsFromArray:@[
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[NSLayoutConstraint constraintWithItem:_signatureView
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attribute:NSLayoutAttributeTop
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relatedBy:NSLayoutRelationEqual
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toItem:_customHeaderView
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attribute:NSLayoutAttributeBottom
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multiplier:1.0
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constant:ORKSignatureToClearPadding],
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[NSLayoutConstraint constraintWithItem:_customHeaderView
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attribute:NSLayoutAttributeTop
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relatedBy:NSLayoutRelationEqual
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toItem:self
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attribute:NSLayoutAttributeTop
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multiplier:1.0
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constant:0.0],
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[NSLayoutConstraint constraintWithItem:_customHeaderView
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attribute:NSLayoutAttributeLeading
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relatedBy:NSLayoutRelationEqual
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toItem:self
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attribute:NSLayoutAttributeLeading
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multiplier:1.0
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constant:0.0],
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[NSLayoutConstraint constraintWithItem:_customHeaderView
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attribute:NSLayoutAttributeTrailing
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relatedBy:NSLayoutRelationEqual
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toItem:self
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attribute:NSLayoutAttributeTrailing
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multiplier:1.0
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constant:0.0]
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]];
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} else {
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[_constraints addObjectsFromArray:@[
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[NSLayoutConstraint constraintWithItem:_signatureView
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attribute:NSLayoutAttributeTop
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relatedBy:NSLayoutRelationEqual
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toItem:self
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attribute:NSLayoutAttributeTop
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multiplier:1.0
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constant:0.0]
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]];
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}
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if (_customFooterView) {
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_customFooterView.translatesAutoresizingMaskIntoConstraints = NO;
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[_constraints addObjectsFromArray:@[
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[NSLayoutConstraint constraintWithItem:_customFooterView
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attribute:NSLayoutAttributeTop
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relatedBy:NSLayoutRelationEqual
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toItem:_clearButton
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attribute:NSLayoutAttributeBottom
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multiplier:1.0
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constant:ORKSignatureToClearPadding / 2.0],
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[NSLayoutConstraint constraintWithItem:_customFooterView
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attribute:NSLayoutAttributeBottom
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relatedBy:NSLayoutRelationEqual
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toItem:self
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attribute:NSLayoutAttributeBottom
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multiplier:1.0
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constant:0.0],
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[NSLayoutConstraint constraintWithItem:_customFooterView
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attribute:NSLayoutAttributeLeading
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relatedBy:NSLayoutRelationEqual
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toItem:self
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attribute:NSLayoutAttributeLeading
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multiplier:1.0
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constant:0.0],
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[NSLayoutConstraint constraintWithItem:_customFooterView
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attribute:NSLayoutAttributeTrailing
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relatedBy:NSLayoutRelationEqual
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toItem:self
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attribute:NSLayoutAttributeTrailing
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multiplier:1.0
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constant:0.0]
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]];
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} else {
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[_constraints addObjectsFromArray:@[
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[NSLayoutConstraint constraintWithItem:_clearButton
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attribute:NSLayoutAttributeBottom
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relatedBy:NSLayoutRelationEqual
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toItem:self
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attribute:NSLayoutAttributeBottom
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multiplier:1.0
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constant:0]
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]];
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}
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[NSLayoutConstraint activateConstraints:_constraints];
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[self setNeedsLayout];
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}
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- (void)setEnabled:(BOOL)enabled {
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[_signatureView setEnabled:enabled];
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}
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- (void)setSignatureViewDelegate:(id<ORKSignatureViewDelegate>)signatureViewDelegate {
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_signatureViewDelegate = signatureViewDelegate;
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_signatureView.delegate = signatureViewDelegate;
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}
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- (void)setCustomViewProvider:(id<ORKCustomSignatureAccessoryViewProvider> _Nullable)customViewProvider {
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_customViewProvider = customViewProvider;
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[self configure];
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}
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- (BOOL)isComplete {
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BOOL complete = _signatureView.signatureExists;
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if (_customFooterView) {
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complete = complete && [_customFooterView isComplete];
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}
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if (_customHeaderView) {
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complete = complete && [_customHeaderView isComplete];
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}
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return complete;
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}
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- (void)updateIsComplete {
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if (self.delegate && [self.delegate respondsToSelector:@selector(signatureFooterView:didChangeCompletedStatus:)]) {
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[self.delegate signatureFooterView:self didChangeCompletedStatus:[self isComplete]];
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}
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}
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- (ORKSignatureResult * _Nullable)resultWithIdentifier:(NSString *)identifier {
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if (![self isComplete]) {
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return nil;
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}
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ORKSignatureResult *parentResult = [[ORKSignatureResult alloc] initWithIdentifier:identifier
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signatureImage:_signatureView.signatureImage
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signaturePath:_signatureView.signaturePath];
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if (_customHeaderView || _customFooterView) {
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NSMutableDictionary *userInfo = [parentResult.userInfo mutableCopy];
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if (!userInfo) {
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userInfo = [[NSMutableDictionary alloc] init];
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}
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[userInfo addEntriesFromDictionary: [_customHeaderView resultUserInfo]];
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[userInfo addEntriesFromDictionary: [_customFooterView resultUserInfo]];
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parentResult.userInfo = userInfo;
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}
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return parentResult;
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}
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- (void)clear {
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[_signatureView clear];
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[self updateIsComplete];
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}
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- (void)cancelAutoScrollTimer {
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[_signatureView cancelAutoScrollTimer];
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}
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- (CGRect)signatureViewFrame {
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return _signatureView.frame;
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}
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// MARK: ORKCustomSignatureAccessoryViewDelegate
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- (void)customViewDidChangeCompletedState:(UIView<ORKCustomSignatureAccessoryViewProtocol> *)customView {
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[self updateIsComplete];
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}
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- (CGRect)rectInFooterViewForRect:(CGRect)rect {
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return [_customFooterView convertRect:rect toView:self];
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}
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- (CGRect)rectInHeaderViewForRect:(CGRect)rect {
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return [_customHeaderView convertRect:rect toView:self];
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}
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@end
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