Tusker/GMImagePicker/GMGridViewCell.m

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//
// GMGridViewCell.m
// GMPhotoPicker
//
// Created by Guillermo Muntaner Perelló on 19/09/14.
// Copyright (c) 2014 Guillermo Muntaner Perelló. All rights reserved.
//
#import "GMGridViewCell.h"
@interface GMGridViewCell ()
@end
@implementation GMGridViewCell
static UIFont *titleFont;
static CGFloat titleHeight;
static UIImage *videoIcon;
static UIColor *titleColor;
static UIImage *checkedIcon;
static UIColor *selectedColor;
static UIColor *disabledColor;
+ (void)initialize
{
titleFont = [UIFont systemFontOfSize:12];
titleHeight = 20.0f;
videoIcon = [UIImage imageNamed:@"GMImagePickerVideo"];
titleColor = [UIColor whiteColor];
checkedIcon = [UIImage imageNamed:@"CTAssetsPickerChecked"];
selectedColor = [UIColor colorWithWhite:1 alpha:0.3];
disabledColor = [UIColor colorWithWhite:1 alpha:0.9];
}
- (void)awakeFromNib
{
[super awakeFromNib];
self.contentView.autoresizingMask = UIViewAutoresizingFlexibleHeight | UIViewAutoresizingFlexibleWidth;
self.contentView.translatesAutoresizingMaskIntoConstraints = YES;
}
- (id)initWithFrame:(CGRect)frame
{
if (self = [super initWithFrame:frame]) {
self.opaque = NO;
self.enabled = YES;
CGFloat cellSize = self.contentView.bounds.size.width;
// The image view
_imageView = [UIImageView new];
_imageView.frame = CGRectMake(0, 0, cellSize, cellSize);
_imageView.contentMode = UIViewContentModeScaleAspectFill;
/*if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad)
{
_imageView.contentMode = UIViewContentModeScaleAspectFit;
}
else
{
_imageView.contentMode = UIViewContentModeScaleAspectFill;
}*/
_imageView.clipsToBounds = YES;
_imageView.translatesAutoresizingMaskIntoConstraints = NO;
_imageView.autoresizingMask = UIViewAutoresizingFlexibleHeight | UIViewAutoresizingFlexibleWidth;
[self addSubview:_imageView];
// The video gradient, label & icon
float x_offset = 4.0f;
UIColor *topGradient = [UIColor colorWithRed:0.00 green:0.00 blue:0.00 alpha:0.0];
UIColor *botGradient = [UIColor colorWithRed:0.00 green:0.00 blue:0.00 alpha:0.8];
_gradientView = [[UIView alloc] initWithFrame: CGRectMake(0.0f, self.bounds.size.height-titleHeight, self.bounds.size.width, titleHeight)];
_gradient = [CAGradientLayer layer];
_gradient.frame = _gradientView.bounds;
_gradient.colors = [NSArray arrayWithObjects:(id)[topGradient CGColor], (id)[botGradient CGColor], nil];
[_gradientView.layer insertSublayer:_gradient atIndex:0];
_gradientView.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleTopMargin;
_gradientView.translatesAutoresizingMaskIntoConstraints = NO;
[self addSubview:_gradientView];
_gradientView.hidden = YES;
_videoIcon = [UIImageView new];
_videoIcon.frame = CGRectMake(x_offset, self.bounds.size.height-titleHeight, self.bounds.size.width-2*x_offset, titleHeight);
_videoIcon.contentMode = UIViewContentModeLeft;
_videoIcon.image = [UIImage imageNamed:@"GMVideoIcon" inBundle:[NSBundle bundleForClass:GMGridViewCell.class] compatibleWithTraitCollection:nil];
_videoIcon.translatesAutoresizingMaskIntoConstraints = NO;
_videoIcon.autoresizingMask = UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleWidth;
[self addSubview:_videoIcon];
_videoIcon.hidden = YES;
_videoDuration = [UILabel new];
_videoDuration.font = titleFont;
_videoDuration.textColor = titleColor;
_videoDuration.textAlignment = NSTextAlignmentRight;
_videoDuration.frame = CGRectMake(x_offset, self.bounds.size.height-titleHeight, self.bounds.size.width-2*x_offset, titleHeight);
_videoDuration.contentMode = UIViewContentModeRight;
_videoDuration.translatesAutoresizingMaskIntoConstraints = NO;
_videoDuration.autoresizingMask = UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleWidth;
[self addSubview:_videoDuration];
_videoDuration.hidden = YES;
// Selection overlay & icon
_coverView = [[UIView alloc] initWithFrame:self.bounds];
_coverView.translatesAutoresizingMaskIntoConstraints = NO;
_coverView.autoresizingMask = UIViewAutoresizingFlexibleHeight | UIViewAutoresizingFlexibleWidth;
_coverView.backgroundColor = [UIColor colorWithRed:0.24 green:0.47 blue:0.85 alpha:0.6];
[self addSubview:_coverView];
_coverView.hidden = YES;
_selectedButton = [UIButton buttonWithType:UIButtonTypeCustom];
_selectedButton.frame = CGRectMake(2*self.bounds.size.width/3, 0*self.bounds.size.width/3, self.bounds.size.width/3, self.bounds.size.width/3);
_selectedButton.contentMode = UIViewContentModeTopRight;
_selectedButton.adjustsImageWhenHighlighted = NO;
[_selectedButton setImage:nil forState:UIControlStateNormal];
_selectedButton.translatesAutoresizingMaskIntoConstraints = NO;
_selectedButton.autoresizingMask = UIViewAutoresizingFlexibleHeight | UIViewAutoresizingFlexibleWidth;
[_selectedButton setImage:[UIImage imageNamed:@"GMSelected" inBundle:[NSBundle bundleForClass:GMGridViewCell.class] compatibleWithTraitCollection:nil] forState:UIControlStateSelected];
_selectedButton.hidden = NO;
_selectedButton.userInteractionEnabled = NO;
[self addSubview:_selectedButton];
}
// Note: the views above are created in case this is toggled per cell, on the fly, etc.!
self.shouldShowSelection = YES;
return self;
}
// Required to resize the CAGradientLayer because it does not support auto resizing.
- (void)layoutSubviews {
[super layoutSubviews];
_gradient.frame = _gradientView.bounds;
}
- (void)bind:(PHAsset *)asset
{
self.asset = asset;
if (self.asset.mediaType == PHAssetMediaTypeVideo) {
_videoIcon.hidden = NO;
_videoDuration.hidden = NO;
_gradientView.hidden = NO;
_videoDuration.text = [self getDurationWithFormat:self.asset.duration];
} else {
_videoIcon.hidden = YES;
_videoDuration.hidden = YES;
_gradientView.hidden = YES;
}
}
// Override setSelected
- (void)setSelected:(BOOL)selected
{
[super setSelected:selected];
if (!self.shouldShowSelection) {
return;
}
_coverView.hidden = !selected;
_selectedButton.selected = selected;
}
-(NSString*)getDurationWithFormat:(NSTimeInterval)duration
{
NSInteger ti = (NSInteger)duration;
NSInteger seconds = ti % 60;
NSInteger minutes = (ti / 60) % 60;
//NSInteger hours = (ti / 3600);
return [NSString stringWithFormat:@"%02ld:%02ld", (long)minutes, (long)seconds];
}
@end