GMGridViewCell.m

//
//  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

//@synthesize circularProgressView;

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"];
        _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"] forState:UIControlStateSelected];
        _selectedButton.hidden = NO;
        _selectedButton.userInteractionEnabled = NO;
        [self addSubview:_selectedButton];
        
        // circle progress
        
//        self.circularProgressView = [[MRCircularProgressView alloc] initWithFrame:CGRectMake(self.bounds.size.width/3, self.bounds.size.height/3, self.bounds.size.width/3, self.bounds.size.height/3)];
//        [self.circularProgressView.stopButton addTarget:self action:@selector(onCircularProgressViewTouchUpInside:) forControlEvents:UIControlEventTouchUpInside];
//        [self.circularProgressView setHidden:true];
//        [self addSubview:self.circularProgressView];
        
        
        _fetch = [UILabel new];
        _fetch.font = titleFont;
        _fetch.textColor = titleColor;
        _fetch.textAlignment = NSTextAlignmentCenter;
        _fetch.frame = CGRectMake(0, 0, self.bounds.size.width, self.bounds.size.height);
        _fetch.text = @""; // removed 'fetching'
        [self addSubview:_fetch];
        
    }
    
    return self;
}

-(void)show_progress{
//    [self.circularProgressView setHidden:false];
}

-(void)hide_progress{
//    [self.circularProgressView setHidden:true];
}

-(void)set_progress:(float)value animated:(BOOL)animated{
//    [self.circularProgressView setProgress:value animated:animated];
}

-(void)show_fetching{
    _fetch.hidden = false;
}

-(void)hide_fetching{
    _fetch.hidden = true;
}

- (void)onCircularProgressViewTouchUpInside:(id)sender {
//    self.circularProgressView.progress = 0;
}

//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];
    _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