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//
// ProductImageCell.h
// Mobile Buy SDK
//
// Created by Shopify.
// Copyright (c) 2015 Shopify Inc. All rights reserved.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
//
#import "ProductImageCell.h"
#import "AsyncImageView.h"
@implementation ProductImageCell
- (instancetype)initWithFrame:(CGRect)frame
{
self = [super initWithFrame:frame];
if (self) {
self.clipsToBounds = NO;
self.contentView.clipsToBounds = NO;
self.contentView.backgroundColor = [UIColor clearColor];
_productImageView = [[AsyncImageView alloc] init];
_productImageView.clipsToBounds = YES;
_productImageView.translatesAutoresizingMaskIntoConstraints = NO;
_productImageView.backgroundColor = [UIColor clearColor];
_productImageView.contentMode = UIViewContentModeScaleAspectFit;
[self.contentView addSubview:_productImageView];
[self.contentView addConstraints:[NSLayoutConstraint constraintsWithVisualFormat:@"H:|[_productImageView]|"
options:0
metrics:nil
views:NSDictionaryOfVariableBindings(_productImageView)]];
_productImageViewConstraintBottom = [NSLayoutConstraint constraintWithItem:_productImageView
attribute:NSLayoutAttributeBottom
relatedBy:NSLayoutRelationEqual
toItem:self.contentView
attribute:NSLayoutAttributeBottom
multiplier:1.0
constant:0.0];
[self.contentView addConstraint:_productImageViewConstraintBottom];
_productImageViewConstraintHeight = [NSLayoutConstraint constraintWithItem:_productImageView
attribute:NSLayoutAttributeHeight
relatedBy:NSLayoutRelationEqual
toItem:nil
attribute:NSLayoutAttributeNotAnAttribute
multiplier:1.0
constant:CGRectGetHeight(frame)];
[self.contentView addConstraint:_productImageViewConstraintHeight];
}
return self;
}
- (void)setContentOffset:(CGPoint)offset
{
self.clipsToBounds = offset.y >= 0;
self.productImageViewConstraintBottom.constant = offset.y >= 0 ? offset.y / 2 : 0;
self.productImageViewConstraintHeight.constant = offset.y >= 0 ? CGRectGetHeight(self.bounds) : CGRectGetHeight(self.bounds) + -offset.y;
self.productImageView.contentMode = UIViewContentModeScaleAspectFit;
if (self.productImageView.image && [self.productImageView isPortraitOrSquare]) {
CGFloat imageRatio = self.productImageView.image.size.height / self.productImageView.image.size.width;
CGFloat imageViewRatio = CGRectGetHeight(self.productImageView.bounds) / CGRectGetWidth(self.productImageView.bounds);
if (imageViewRatio >= imageRatio && isnan(imageViewRatio) == NO && isinf(imageViewRatio) == NO) {
self.productImageView.contentMode = UIViewContentModeScaleAspectFill;
}
}
}
- (void)prepareForReuse
{
[super prepareForReuse];
[self.productImageView cancelImageTask];
self.productImageView.image = nil;
}
@end