react-native-camera-kit/ios/lib/ReactNativeCameraKit/CKGalleryCollectionViewCell.m
Artal Druk f611fdfafd disable the press indication on images while the collection is scrolling.
also remove the indication once the user starts scrolling
2018-01-14 12:04:15 +02:00

500 lines
17 KiB
Objective-C

//
// CKGalleryCollectionViewCell.m
// ReactNativeCameraKit
//
// Created by Ran Greenberg on 20/06/2016.
// Copyright © 2016 Wix. All rights reserved.
//
#if __has_include(<React/RCTBridge.h>)
#import <React/RCTConvert.h>
#else
#import "RCTConvert.h"
#endif
#import "CKGalleryCollectionViewCell.h"
#import "SelectionGesture.h"
#import "GalleryData.h"
#import "M13ProgressViewPie.h"
#define BADGE_MARGIN 5
#define BADGE_COLOR 0x00ADF5
#define IMAGE_OVERLAY_ALPHA 0.5
#define SELECTION_SELECTED_IMAGE @"selectedImage"
#define SELECTION_UNSELECTED_IMAGE @"unselectedImage"
#define SELECTION_IMAGE_POSITION @"imagePosition"
#define SELECTION_OVERLAY_COLOR @"overlayColor"
#define UIColorFromRGB(rgbValue) \
[UIColor colorWithRed:((float)((rgbValue & 0xFF0000) >> 16))/255.0 \
green:((float)((rgbValue & 0x00FF00) >> 8))/255.0 \
blue:((float)((rgbValue & 0x0000FF) >> 0))/255.0 \
alpha:1.0]
static UIImage *selectedImageIcon = nil;
static UIImage *unSelectedImageIcon = nil;
static NSDictionary *supported = nil;
static UIColor *imageStrokeColor = nil;
static NSNumber *imageStrokeColorWidth = nil;
static NSDictionary *selection = nil;
static NSString *imagePosition = nil;
static UIColor *selectionOverlayColor = nil;
static UIColor *remoteDownloadIndicatorColor = nil;
static NSString *remoteDownloadIndicatorType = REMOTE_DOWNLOAD_INDICATOR_TYPE_SPINNER;
@interface CKGalleryCollectionViewCell () <UIGestureRecognizerDelegate>
@property (strong, nonatomic) UIImageView *imageView;
@property (strong, nonatomic) UIButton *button;
@property (strong, nonatomic) UIImageView *badgeImageView;
@property (nonatomic, strong) UIView *imageOveray;
@property (nonatomic, strong) UIView *unsupportedView;
@property (nonatomic, strong) SelectionGesture *gesture;
@property (nonatomic, strong) UIActivityIndicatorView *spinner;
@property (nonatomic, strong) UIProgressView *progressBarView;
@property (nonatomic, strong) M13ProgressViewPie *progressPieView;
@end
@implementation CKGalleryCollectionViewCell
+(void)setSelectedImageIcon:(UIImage*)image {
if (image) selectedImageIcon = image;
}
+(void)setUnSlectedImageIcon:(UIImage*)image {
if (image) unSelectedImageIcon = image;
}
+(void)setSupported:(NSDictionary*)newSupported {
if (newSupported) supported = newSupported;
}
+(void)setImageStrokeColor:(UIColor*)strokeColor {
if (strokeColor) imageStrokeColor = strokeColor;
}
+(void)setImageStrokeColorWidth:(NSNumber*)width {
if (width) imageStrokeColorWidth = width;
}
+(void)setSelection:(NSDictionary*)selectionDict {
if (selectionDict) selection = selectionDict;
}
+(void)cleanStaticsVariables {
selectedImageIcon = nil;
unSelectedImageIcon = nil;
supported = nil;
imageStrokeColor = nil;
imageStrokeColorWidth = nil;
selection = nil;
imagePosition = nil;
selectionOverlayColor = nil;
remoteDownloadIndicatorColor = nil;
}
+(void)setRemoteDownloadIndicatorColor:(UIColor*)color {
if (color) remoteDownloadIndicatorColor = color;
}
+(void)setRemoteDownloadIndicatorType:(NSString*)type {
if (type) remoteDownloadIndicatorType = type;
}
-(UIActivityIndicatorView*)spinner {
if (!_spinner) {
_spinner = [[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleGray];
_spinner.center = CGPointMake(CGRectGetMidX(self.bounds), CGRectGetMidY(self.bounds));
[_spinner startAnimating];
if (remoteDownloadIndicatorColor) {
[_spinner setColor:remoteDownloadIndicatorColor];
}
}
return _spinner;
}
-(UIProgressView*)progressView {
if (!_progressBarView) {
_progressBarView = [[UIProgressView alloc] initWithProgressViewStyle:UIProgressViewStyleDefault];
_progressBarView.frame = CGRectMake(0, 0, self.bounds.size.width*0.8, self.bounds.size.height*0.15);
_progressBarView.center = CGPointMake(CGRectGetMidX(self.bounds), CGRectGetMidY(self.bounds)*1.8);
_progressBarView.progress = 0;
if (remoteDownloadIndicatorColor) {
_progressBarView.tintColor = remoteDownloadIndicatorColor;
}
}
return _progressBarView;
}
-(M13ProgressViewPie *)progressPieView {
if (!_progressPieView) {
CGRect frame = CGRectMake(0, 0, self.bounds.size.width/3, self.bounds.size.height/3);
_progressPieView = [[M13ProgressViewPie alloc] initWithFrame:frame];
_progressPieView.center = CGPointMake(CGRectGetMidX(self.bounds), CGRectGetMidY(self.bounds));
_progressPieView.secondaryColor = [UIColor whiteColor];
_progressPieView.primaryColor = [UIColor whiteColor];
_progressPieView.animationDuration = 0.1;
[_progressPieView setProgress:0 animated:NO];
if (remoteDownloadIndicatorColor) {
_progressPieView.secondaryColor = remoteDownloadIndicatorColor;
_progressPieView.primaryColor = remoteDownloadIndicatorColor;
}
}
return _progressPieView;
}
-(instancetype)initWithFrame:(CGRect)frame {
self = [super initWithFrame:frame];
CGRect imageViewFrame = self.bounds;
if(imageStrokeColor) {
if (imageStrokeColorWidth && imageStrokeColorWidth.floatValue > 0) {
imageViewFrame.size.height -= imageStrokeColorWidth.floatValue;
imageViewFrame.size.width -= imageStrokeColorWidth.floatValue;
}
self.backgroundColor = imageStrokeColor;
}
self.imageView = [[UIImageView alloc] initWithFrame:imageViewFrame];
self.imageView.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
self.imageView.center = CGPointMake(CGRectGetMidX(self.bounds), CGRectGetMidY(self.bounds));
self.imageView.backgroundColor = [UIColor clearColor];
self.imageView.contentMode = UIViewContentModeScaleAspectFill;
self.imageView.clipsToBounds = YES;
[self addSubview:self.imageView];
self.imageOveray = [[UIView alloc] initWithFrame:self.imageView.bounds];
self.imageOveray.opaque = NO;
self.imageOveray.backgroundColor = [UIColor clearColor];
[self.imageView addSubview:self.imageOveray];
self.badgeImageView = [[UIImageView alloc] init];
[self addSubview:self.badgeImageView];
self.isSupported = YES;
self.gesture = [[SelectionGesture alloc] initWithTarget:self action:@selector(handleGesture:)];
[self addGestureRecognizer:self.gesture];
self.gesture.cancelsTouchesInView = NO;
self.gesture.delegate = self;
[self applyStyleOnInit];
return self;
}
-(void)applyStyleOnInit {
id selectedImageIconProp = selection[SELECTION_SELECTED_IMAGE];
if(selectedImageIconProp) {
selectedImageIcon = [RCTConvert UIImage:selectedImageIconProp];
}
id unselectedImageIconProp = selection[SELECTION_UNSELECTED_IMAGE];
if(unselectedImageIconProp) {
unSelectedImageIcon = [RCTConvert UIImage:unselectedImageIconProp];
}
id overlayColorProp = selection[SELECTION_OVERLAY_COLOR];
if(overlayColorProp) {
selectionOverlayColor = [RCTConvert UIColor:overlayColorProp];
}
}
-(CGRect)frameforImagePosition:(NSString*)position image:(UIImage*)image {
CGRect badgeRect;
CGSize badgeImageSize = image.size;
CGFloat aspectRatio = badgeImageSize.width/badgeImageSize.height;
badgeImageSize.width = MIN(badgeImageSize.width, self.bounds.size.width/4);
badgeImageSize.height = badgeImageSize.width/aspectRatio;
if ([position isEqualToString:@"top-right"]) {
badgeRect= CGRectMake(self.imageView.bounds.size.width - (badgeImageSize.width + BADGE_MARGIN), BADGE_MARGIN, badgeImageSize.width, badgeImageSize.height);
}
else if ([position isEqualToString:@"top-left"]) {
badgeRect= CGRectMake(BADGE_MARGIN, BADGE_MARGIN, badgeImageSize.width, badgeImageSize.height);
}
else if ([position isEqualToString:@"bottom-right"]) {
badgeRect= CGRectMake(self.imageView.bounds.size.width - (badgeImageSize.width + BADGE_MARGIN), self.imageView.bounds.size.height - (badgeImageSize.height + BADGE_MARGIN), badgeImageSize.width, badgeImageSize.height);
}
else if ([position isEqualToString:@"bottom-left"]) {
badgeRect= CGRectMake(BADGE_MARGIN, self.imageView.bounds.size.height - (badgeImageSize.height + BADGE_MARGIN), badgeImageSize.width, badgeImageSize.height);
}
else if ([position isEqualToString:@"center"]) {
badgeRect = CGRectMake((self.imageView.bounds.size.width - badgeImageSize.width) * 0.5, (self.imageView.bounds.size.height - badgeImageSize.height) * 0.5, badgeImageSize.width, badgeImageSize.height);
}
else {
badgeRect = CGRectZero;
}
return badgeRect;
}
-(void)updateBadgeImageViewFrame {
id imagePositionProp = selection[SELECTION_IMAGE_POSITION];
if(!imagePositionProp) imagePositionProp = @"top-right"; // defualt
CGRect badgeRect = [self frameforImagePosition:imagePositionProp image:self.badgeImageView.image];
if (!CGRectIsEmpty(badgeRect)) {
self.badgeImageView.frame = badgeRect;
};
}
- (void)prepareForReuse {
[super prepareForReuse];
self.imageView.image = nil;
self.isSelected = NO;
_isDownloading = NO;
self.isSupported = YES;
self.gesture.enabled = YES;
[self.unsupportedView removeFromSuperview];
self.unsupportedView = nil;
[_spinner removeFromSuperview];
_spinner = nil;
[_progressBarView removeFromSuperview];
_progressBarView = nil;
[_progressPieView removeFromSuperview];
_progressPieView = nil;
}
- (void)setThumbnailImage:(UIImage *)thumbnailImage {
_thumbnailImage = thumbnailImage;
self.imageView.image = thumbnailImage;
}
-(void)setIsSupported:(BOOL)isSupported {
_isSupported = isSupported;
if (!_isSupported) {
if (supported) {
UIImageView *imageView;
UILabel *unsupportedLabel;
self.unsupportedView = [[UIView alloc] initWithFrame:self.bounds];
UIColor *overlayColor = supported[UNSUPPORTED_OVERLAY_COLOR];
if (overlayColor) {
self.unsupportedView.backgroundColor = overlayColor;
}
UIImage *unsupportedImage = supported[UNSUPPORTED_IMAGE];
if (unsupportedImage) {
CGRect imageViewFrame = self.unsupportedView.bounds;
imageViewFrame.size.height = self.unsupportedView.bounds.size.height/4*2;
imageViewFrame.origin.y = self.unsupportedView.bounds.size.height/4 - (imageViewFrame.size.height/6);
imageView = [[UIImageView alloc] initWithImage:unsupportedImage];
imageView.frame = imageViewFrame;
imageView.contentMode = UIViewContentModeScaleAspectFit;
[self.unsupportedView addSubview:imageView];
}
NSString *unsupportedText = supported[UNSUPPORTED_TEXT];
if (unsupportedText) {
CGRect labelFrame = self.unsupportedView.bounds;
labelFrame.size.height /= 4;
labelFrame.origin.y = self.unsupportedView.center.y - labelFrame.size.height/2;
if (imageView) {
labelFrame.origin.y = self.unsupportedView.bounds.size.height - labelFrame.size.height - (labelFrame.size.height/2);
}
unsupportedLabel = [[UILabel alloc] initWithFrame:labelFrame];
unsupportedLabel.text = unsupportedText;
unsupportedLabel.textAlignment = NSTextAlignmentCenter;
UIColor *unsupportedTextColor = supported[UNSUPPORTED_TEXT_COLOR];
if (unsupportedTextColor) {
unsupportedLabel.textColor = unsupportedTextColor;
}
[self.unsupportedView addSubview:unsupportedLabel];
}
[self addSubview:self.unsupportedView];
[self.badgeImageView removeFromSuperview];
self.gesture.enabled = NO;
}
}
else {
[self.unsupportedView removeFromSuperview];
self.unsupportedView = nil;
[self addSubview:self.badgeImageView];
self.gesture.enabled = YES;
}
}
-(void)setSelectedOverLay:(BOOL)shouldShowOverlayColor forceOverlay:(BOOL)force{
if (force) {
self.imageOveray.backgroundColor = [[UIColor whiteColor] colorWithAlphaComponent:0.5];
return;
}
if (shouldShowOverlayColor) {
self.imageOveray.backgroundColor = selectionOverlayColor ? selectionOverlayColor : [[UIColor whiteColor] colorWithAlphaComponent:0.5];
}
else {
self.imageOveray.backgroundColor = [UIColor clearColor];
}
}
-(void)setIsSelected:(BOOL)isSelected {
_isSelected = isSelected;
if (self.disableSelectionIcons) return;
[self setSelectedOverLay:isSelected forceOverlay:NO];
if (_isSelected) {
if (selectedImageIcon) {
double frameDuration = 1.0/2.0; // 4 = number of keyframes
self.badgeImageView.image = selectedImageIcon;
[self updateBadgeImageViewFrame];
self.badgeImageView.transform = CGAffineTransformMakeScale(0.5, 0.5);
[UIView animateKeyframesWithDuration:0.2 delay:0 options:0 animations:^{
[UIView addKeyframeWithRelativeStartTime:0*frameDuration relativeDuration:frameDuration animations:^{
self.badgeImageView.transform = CGAffineTransformIdentity;
}];
} completion:nil];
}
else {
self.badgeImageView.backgroundColor = UIColorFromRGB(BADGE_COLOR);
}
}
else {
if (unSelectedImageIcon) {
self.badgeImageView.image = unSelectedImageIcon;
[self updateBadgeImageViewFrame];
}
else {
self.badgeImageView.image = nil;
}
}
}
-(void)setIsDownloading:(BOOL)isDownloading {
_isDownloading = isDownloading;
[self setSelectedOverLay:isDownloading forceOverlay:isDownloading];
[self updateRemoteDownload];
}
-(void)setDownloadingProgress:(CGFloat)downloadingProgress {
_downloadingProgress = downloadingProgress;
if ([remoteDownloadIndicatorType isEqualToString:REMOTE_DOWNLOAD_INDICATOR_TYPE_PROGRESS_BAR]) {
self.progressView.progress = downloadingProgress;
}
else if ([remoteDownloadIndicatorType isEqualToString:REMOTE_DOWNLOAD_INDICATOR_TYPE_PROGRESS_PIE]) {
[self.progressPieView setProgress:downloadingProgress animated:YES];
}
[self updateRemoteDownload];
}
-(void)updateRemoteDownload {
if (self.isDownloading) {
if ([remoteDownloadIndicatorType isEqualToString:REMOTE_DOWNLOAD_INDICATOR_TYPE_SPINNER]) {
[self addSubview:self.spinner];
}
else if ([remoteDownloadIndicatorType isEqualToString:REMOTE_DOWNLOAD_INDICATOR_TYPE_PROGRESS_BAR]) {
if (![self.progressView isDescendantOfView:self]) {
[self addSubview:self.progressView];
}
}
else if ([remoteDownloadIndicatorType isEqualToString:REMOTE_DOWNLOAD_INDICATOR_TYPE_PROGRESS_PIE]) {
if (![self.progressPieView isDescendantOfView:self]) {
[self addSubview:self.progressPieView];
}
}
}
else {
[UIView animateWithDuration:0.5 delay:1 options:UIViewAnimationOptionTransitionCrossDissolve animations:^{
self.progressPieView.alpha = 0;
} completion:^(BOOL finished) {
if (finished) {
[self removeRemoteDownloadIndicator];
}
}];
}
}
-(void)removeRemoteDownloadIndicator {
[_spinner removeFromSuperview];
_spinner = nil;
[_progressBarView removeFromSuperview];
_progressBarView = nil;
[_progressPieView removeFromSuperview];
_progressPieView = nil;
}
-(void)setPressed:(BOOL)pressed {
[UIView animateWithDuration:0.1 animations:^{
self.transform = pressed ? CGAffineTransformMakeScale(0.9, 0.9) : CGAffineTransformIdentity;
}];
}
-(void)handleGesture:(UIGestureRecognizer*)gesture {
if (gesture.state == UIGestureRecognizerStateBegan && [self.delegate shouldShowPressIndicator:self])
{
[self setPressed:YES];
}
else if (gesture.state == UIGestureRecognizerStateEnded || gesture.state == UIGestureRecognizerStateCancelled)
{
[self setPressed:NO];
}
}
- (BOOL)gestureRecognizerShouldBegin:(UIGestureRecognizer *)gestureRecognizer{
return YES;
}
- (BOOL)gestureRecognizer:(UIGestureRecognizer *)gestureRecognizer shouldRecognizeSimultaneouslyWithGestureRecognizer:(UIGestureRecognizer *)otherGestureRecognizer {
return YES;
}
@end