|
@@ -1,391 +0,0 @@
|
|
|
-//
|
|
|
-// HUPhotoBrowser.m
|
|
|
-// HUPhotoBrowser
|
|
|
-//
|
|
|
-// Created by mac on 16/2/24.
|
|
|
-// Copyright (c) 2016年 jinhuadiqigan. All rights reserved.
|
|
|
-//
|
|
|
-
|
|
|
-#import "HUPhotoBrowser.h"
|
|
|
-#import "HUPhotoBrowserCell.h"
|
|
|
-#import "hu_const.h"
|
|
|
-#import "HUWebImage.h"
|
|
|
-#import <SVProgressHUD/SVProgressHUD.h>
|
|
|
-
|
|
|
-@interface HUPhotoBrowser () <UICollectionViewDataSource, UICollectionViewDelegate,UICollectionViewDelegateFlowLayout> {
|
|
|
- CGRect _endTempFrame;
|
|
|
- NSInteger _currentPage;
|
|
|
- NSIndexPath *_zoomingIndexPath;
|
|
|
- BOOL _imageDidLoaded;
|
|
|
- BOOL _animationCompleted;
|
|
|
-}
|
|
|
-
|
|
|
-@property (nonatomic, strong) UIImageView *imageView;
|
|
|
-@property (nonatomic, strong) UIImageView *tmpImageView;
|
|
|
-@property (nonatomic, strong) UICollectionView *collectionView;
|
|
|
-@property (nonatomic, strong) UIView *toolBar;
|
|
|
-@property (nonatomic, weak) UILabel *countLab;
|
|
|
-@property (nonatomic, strong) NSArray *URLStrings;
|
|
|
-@property (nonatomic) NSInteger index;
|
|
|
-@property (nonatomic) NSInteger imagesCount;
|
|
|
-@property (nonatomic, copy) DismissBlock dismissDlock;
|
|
|
-@property (nonatomic, strong) NSArray *images;
|
|
|
-
|
|
|
-@end
|
|
|
-
|
|
|
-@implementation HUPhotoBrowser
|
|
|
-
|
|
|
-- (void)dealloc {
|
|
|
- self.collectionView.delegate = nil;
|
|
|
- [[NSNotificationCenter defaultCenter] removeObserver:self];
|
|
|
-}
|
|
|
-
|
|
|
-+ (instancetype)showFromImageView:(UIImageView *)imageView withURLStrings:(NSArray *)URLStrings placeholderImage:(UIImage *)image atIndex:(NSInteger)index dismiss:(DismissBlock)block {
|
|
|
- HUPhotoBrowser *browser = [[HUPhotoBrowser alloc] initWithFrame:kScreenRect];
|
|
|
- browser.imageView = imageView;
|
|
|
- browser.URLStrings = URLStrings;
|
|
|
- browser.imagesCount = URLStrings.count;
|
|
|
- [browser resetCountLabWithIndex:index+1];
|
|
|
- [browser configureBrowser];
|
|
|
- [browser animateImageViewAtIndex:index];
|
|
|
- browser.placeholderImage = image;
|
|
|
- browser.dismissDlock = block;
|
|
|
-
|
|
|
- return browser;
|
|
|
-}
|
|
|
-
|
|
|
-
|
|
|
-+ (instancetype)showFromImageView:(UIImageView *)imageView withImages:(NSArray *)images atIndex:(NSInteger)index dismiss:(DismissBlock)block {
|
|
|
- HUPhotoBrowser *browser = [[HUPhotoBrowser alloc] initWithFrame:kScreenRect];
|
|
|
- browser.imageView = imageView;
|
|
|
- browser.images = images;
|
|
|
- browser.imagesCount = images.count;
|
|
|
- [browser resetCountLabWithIndex:index+1];
|
|
|
- [browser configureBrowser];
|
|
|
- [browser animateImageViewAtIndex:index];
|
|
|
- browser.dismissDlock = block;
|
|
|
-
|
|
|
- return browser;
|
|
|
-}
|
|
|
-
|
|
|
-+ (instancetype)showFromImageView:(UIImageView *)imageView withURLStrings:(NSArray *)URLStrings atIndex:(NSInteger)index {
|
|
|
-
|
|
|
- return [self showFromImageView:imageView withURLStrings:URLStrings placeholderImage:nil atIndex:index dismiss:nil];
|
|
|
-}
|
|
|
-
|
|
|
-+ (instancetype)showFromImageView:(UIImageView *)imageView withImages:(NSArray *)images atIndex:(NSInteger)index {
|
|
|
- return [self showFromImageView:imageView withImages:images atIndex:index dismiss:nil];
|
|
|
-}
|
|
|
-
|
|
|
-- (instancetype)initWithFrame:(CGRect)frame {
|
|
|
- self = [super initWithFrame:frame];
|
|
|
- if (self) {
|
|
|
- self.backgroundColor = [UIColor blackColor];
|
|
|
-
|
|
|
- [self addSubview:self.collectionView];
|
|
|
-
|
|
|
- [self setupToolBar];
|
|
|
-
|
|
|
- [[NSNotificationCenter defaultCenter] removeObserver:self];
|
|
|
- [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(reloadForScreenRotate) name:UIDeviceOrientationDidChangeNotification object:nil];
|
|
|
- [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(photoCellDidZooming:) name:kPhotoCellDidZommingNotification object:nil];
|
|
|
-
|
|
|
- }
|
|
|
- return self;
|
|
|
-}
|
|
|
-
|
|
|
-
|
|
|
-#pragma mark - UICollectionViewDataSource
|
|
|
-
|
|
|
-- (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section {
|
|
|
- NSInteger count = 0;
|
|
|
- if (self.URLStrings) {
|
|
|
- count = _URLStrings.count;
|
|
|
- }else if (self.images) {
|
|
|
- count = _images.count;
|
|
|
- }
|
|
|
- return count;
|
|
|
-}
|
|
|
-
|
|
|
-- (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath {
|
|
|
- HUPhotoBrowserCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:kPhotoBrowserCellID forIndexPath:indexPath];
|
|
|
- cell.indexPath = indexPath;
|
|
|
- [cell resetZoomingScale];
|
|
|
- __weak __typeof(self) wself = self;
|
|
|
- cell.tapActionBlock = ^(UITapGestureRecognizer *sender) {
|
|
|
- [wself dismiss];
|
|
|
- };
|
|
|
- if (self.URLStrings) {
|
|
|
- [cell startAnimating];
|
|
|
- __weak __typeof(cell) weakCell = cell;
|
|
|
- NSURL *url = [NSURL URLWithString:self.URLStrings[indexPath.row]];
|
|
|
- if (indexPath.row != _index) {
|
|
|
- if (_placeholderImage) {
|
|
|
- [cell stopAnimating];
|
|
|
- [cell.imageView hu_setImageWithURL:url placeholderImage:_placeholderImage completed:^(UIImage * _Nullable image, NSError * _Nullable error, NSURL * _Nullable imageUrl) {
|
|
|
- __strong __typeof(weakCell) strongCell = weakCell;
|
|
|
- [strongCell resizeImageView];
|
|
|
- }];
|
|
|
- } else {
|
|
|
- [cell.imageView hu_setImageWithURL:url placeholderImage:nil completed:^(UIImage * _Nullable image, NSError * _Nullable error, NSURL * _Nullable imageUrl) {
|
|
|
- if (image) {
|
|
|
- __strong __typeof(weakCell) strongCell = weakCell;
|
|
|
- [strongCell resizeImageView];
|
|
|
- [strongCell stopAnimating];
|
|
|
- }
|
|
|
- }];
|
|
|
- }
|
|
|
- } else {
|
|
|
- UIImage *placeHolder = _tmpImageView.image;
|
|
|
- [cell.imageView hu_setImageWithURL:url placeholderImage:placeHolder completed:^(UIImage *image, NSError *error, NSURL *imageUrl) {
|
|
|
- __strong __typeof(wself) strongSelf = wself;
|
|
|
- __strong __typeof(weakCell) strongCell = weakCell;
|
|
|
- [strongCell stopAnimating];
|
|
|
- [strongCell resizeImageView];
|
|
|
- if (!strongSelf->_imageDidLoaded) {
|
|
|
- strongSelf->_imageDidLoaded = YES;
|
|
|
- if (strongSelf->_animationCompleted) {
|
|
|
- strongSelf.collectionView.hidden = NO;
|
|
|
- [strongSelf->_tmpImageView removeFromSuperview];
|
|
|
- strongSelf->_animationCompleted = NO;
|
|
|
- }
|
|
|
-
|
|
|
- }
|
|
|
- }];
|
|
|
- }
|
|
|
- }
|
|
|
- else if (self.images) {
|
|
|
- [cell stopAnimating];
|
|
|
- cell.imageView.image = self.images[indexPath.row];
|
|
|
- [cell resizeImageView];
|
|
|
- }
|
|
|
-
|
|
|
- return cell;
|
|
|
-}
|
|
|
-
|
|
|
-- (CGSize)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout sizeForItemAtIndexPath:(NSIndexPath *)indexPath {
|
|
|
- return kScreenRect.size;
|
|
|
-}
|
|
|
-
|
|
|
-- (void)scrollViewDidEndDecelerating:(UIScrollView *)scrollView {
|
|
|
- _currentPage = scrollView.contentOffset.x/kScreenWidth + 0.5;
|
|
|
- _countLab.text = [NSString stringWithFormat:@"%zd/%zd",_currentPage+1,_imagesCount];
|
|
|
-
|
|
|
- if (_zoomingIndexPath) {
|
|
|
- [self.collectionView reloadItemsAtIndexPaths:@[_zoomingIndexPath]];
|
|
|
- _zoomingIndexPath = nil;
|
|
|
- }
|
|
|
-
|
|
|
-}
|
|
|
-
|
|
|
-#pragma mark - notification handler
|
|
|
-
|
|
|
-- (void)reloadForScreenRotate {
|
|
|
- _collectionView.frame = kScreenRect;
|
|
|
-
|
|
|
- [self.collectionView reloadData];
|
|
|
- self.collectionView.contentOffset = CGPointMake(kScreenWidth * _currentPage,0);
|
|
|
-}
|
|
|
-
|
|
|
-- (void)photoCellDidZooming:(NSNotification *)nofit {
|
|
|
- NSIndexPath *indexPath = nofit.object;
|
|
|
- _zoomingIndexPath = indexPath;
|
|
|
-}
|
|
|
-
|
|
|
-#pragma mark - getter & setter
|
|
|
-
|
|
|
-- (void)setDidHideToolBar:(BOOL)didHideToolBar {
|
|
|
- _didHideToolBar = didHideToolBar;
|
|
|
- _toolBar.hidden = didHideToolBar;
|
|
|
-}
|
|
|
-
|
|
|
-- (UICollectionView *)collectionView {
|
|
|
- if (!_collectionView) {
|
|
|
- UICollectionViewFlowLayout *layout = [[UICollectionViewFlowLayout alloc] init];
|
|
|
- layout.scrollDirection = UICollectionViewScrollDirectionHorizontal;
|
|
|
- layout.minimumInteritemSpacing = 0;
|
|
|
- layout.minimumLineSpacing = 0;
|
|
|
-
|
|
|
- _collectionView = [[UICollectionView alloc]initWithFrame:self.bounds collectionViewLayout:layout];
|
|
|
- _collectionView.hidden = YES;
|
|
|
- _collectionView.pagingEnabled = YES;
|
|
|
- _collectionView.showsHorizontalScrollIndicator = NO;
|
|
|
-
|
|
|
- }
|
|
|
- return _collectionView;
|
|
|
-}
|
|
|
-
|
|
|
-#pragma mark - private
|
|
|
-
|
|
|
-- (void)configureBrowser {
|
|
|
-
|
|
|
- self.collectionView.delegate = self;
|
|
|
- self.collectionView.dataSource = self;
|
|
|
- [self.collectionView registerClass:[HUPhotoBrowserCell class] forCellWithReuseIdentifier:kPhotoBrowserCellID];
|
|
|
-
|
|
|
- [[UIApplication sharedApplication].keyWindow addSubview:self];
|
|
|
-}
|
|
|
-
|
|
|
-- (void)setupToolBar {
|
|
|
- _toolBar = [[UIView alloc] initWithFrame:CGRectMake(0, self.frame.size.height-38, self.frame.size.width, 30)];
|
|
|
- _toolBar.backgroundColor = [UIColor clearColor];
|
|
|
- [self addSubview:_toolBar];
|
|
|
-
|
|
|
- UILabel *countLab = [[UILabel alloc] init];
|
|
|
- countLab.textColor = [UIColor whiteColor];
|
|
|
- countLab.layer.cornerRadius = 2;
|
|
|
- countLab.layer.masksToBounds = YES;
|
|
|
- countLab.backgroundColor = [[UIColor blackColor]colorWithAlphaComponent:0.4];
|
|
|
- countLab.font = [UIFont systemFontOfSize:13];
|
|
|
- countLab.textAlignment = NSTextAlignmentCenter;
|
|
|
- [_toolBar addSubview:countLab];
|
|
|
- _countLab = countLab;
|
|
|
-
|
|
|
- UIButton *saveBtn = [UIButton buttonWithType:UIButtonTypeCustom];
|
|
|
- saveBtn.frame = CGRectMake(_toolBar.frame.size.width-58, 1, 50, 28);
|
|
|
- saveBtn.layer.cornerRadius = 2;
|
|
|
- [saveBtn setBackgroundColor:[[UIColor blackColor]colorWithAlphaComponent:0.4]];
|
|
|
- [saveBtn setTitle:@"保存" forState:UIControlStateNormal];
|
|
|
- [saveBtn setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal];
|
|
|
- saveBtn.titleLabel.font = [UIFont systemFontOfSize:13];
|
|
|
- [saveBtn addTarget:self action:@selector(saveImae) forControlEvents:UIControlEventTouchUpInside];
|
|
|
- [_toolBar addSubview:saveBtn];
|
|
|
- _saveButton = saveBtn;
|
|
|
-
|
|
|
-}
|
|
|
-
|
|
|
-- (void)animateImageViewAtIndex:(NSInteger)index {
|
|
|
- _index = index;
|
|
|
- CGRect startFrame = [self.imageView.superview convertRect:self.imageView.frame toView:[UIApplication sharedApplication].keyWindow];
|
|
|
- CGRect endFrame = kScreenRect;
|
|
|
-
|
|
|
- if (self.imageView.image) {
|
|
|
- UIImage *image = self.imageView.image;
|
|
|
- CGFloat ratio = image.size.width / image.size.height;
|
|
|
-
|
|
|
- if (ratio > kScreenRatio) {
|
|
|
-
|
|
|
- endFrame.size.width = kScreenWidth;
|
|
|
- endFrame.size.height = kScreenWidth / ratio;
|
|
|
-
|
|
|
- } else {
|
|
|
- endFrame.size.height = kScreenHeight;
|
|
|
- endFrame.size.width = kScreenHeight * ratio;
|
|
|
-
|
|
|
- }
|
|
|
- endFrame.origin.x = (kScreenWidth - endFrame.size.width) / 2;
|
|
|
- endFrame.origin.y = (kScreenHeight - endFrame.size.height) / 2;
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- _endTempFrame = endFrame;
|
|
|
-
|
|
|
-#if __IPHONE_OS_VERSION_MAX_ALLOWED < __IPHONE_9_0
|
|
|
-
|
|
|
- [[UIApplication sharedApplication] setStatusBarHidden:YES withAnimation:UIStatusBarAnimationFade];
|
|
|
-#endif
|
|
|
-
|
|
|
- UIImageView *tempImageView = [[UIImageView alloc] initWithFrame:startFrame];
|
|
|
- tempImageView.image = self.imageView.image;
|
|
|
- tempImageView.contentMode = UIViewContentModeScaleAspectFit;
|
|
|
- [[UIApplication sharedApplication].keyWindow addSubview:tempImageView];
|
|
|
- _tmpImageView = tempImageView;
|
|
|
-
|
|
|
- if (self.URLStrings && !self.images) {
|
|
|
- NSString *key = [HUWebImageDownloader cacheKeyForURL:[NSURL URLWithString:self.URLStrings[_index]]];
|
|
|
- UIImage *image = [HUWebImageDownloader imageFromDiskCacheForKey:key];
|
|
|
- _imageDidLoaded = image != nil;
|
|
|
- }
|
|
|
- [self.collectionView setContentOffset:CGPointMake(kScreenWidth * index,0) animated:NO];
|
|
|
-
|
|
|
- [UIView animateWithDuration:0.3 delay:0 options:UIViewAnimationOptionCurveEaseIn animations:^{
|
|
|
- tempImageView.frame = endFrame;
|
|
|
-
|
|
|
- } completion:^(BOOL finished) {
|
|
|
- _currentPage = index;
|
|
|
- _animationCompleted = YES;
|
|
|
- if (self.images || _imageDidLoaded || (self.URLStrings && !_imageDidLoaded)) {
|
|
|
- self.collectionView.hidden = NO;
|
|
|
- [tempImageView removeFromSuperview];
|
|
|
- _animationCompleted = NO;
|
|
|
- }
|
|
|
-
|
|
|
- }];
|
|
|
-
|
|
|
-
|
|
|
-}
|
|
|
-
|
|
|
-- (void)dismiss {
|
|
|
-#if __IPHONE_OS_VERSION_MAX_ALLOWED < __IPHONE_9_0
|
|
|
- [[UIApplication sharedApplication] setStatusBarHidden:NO withAnimation:UIStatusBarAnimationFade];
|
|
|
-#endif
|
|
|
-
|
|
|
- if (self.dismissDlock) {
|
|
|
- HUPhotoBrowserCell *cell = (HUPhotoBrowserCell *)[self.collectionView cellForItemAtIndexPath:[NSIndexPath indexPathForRow:_currentPage inSection:0]];
|
|
|
- self.dismissDlock(cell.imageView.image, _currentPage);
|
|
|
- }
|
|
|
-
|
|
|
- if (_currentPage != _index) {
|
|
|
- [UIView animateWithDuration:0.3 delay:0 options:UIViewAnimationOptionCurveEaseIn animations:^{
|
|
|
- self.alpha = 0;
|
|
|
- } completion:^(BOOL finished) {
|
|
|
-
|
|
|
- [self removeFromSuperview];
|
|
|
- }];
|
|
|
- return;
|
|
|
- }
|
|
|
-
|
|
|
- CGRect endFrame = [self.imageView.superview convertRect:self.imageView.frame toView:[UIApplication sharedApplication].keyWindow];
|
|
|
-
|
|
|
- UIImageView *tempImageView = [[UIImageView alloc] initWithFrame:_endTempFrame];
|
|
|
- tempImageView.image = self.imageView.image;
|
|
|
- tempImageView.contentMode = UIViewContentModeScaleAspectFit;
|
|
|
- self.collectionView.hidden = YES;
|
|
|
-
|
|
|
- [[UIApplication sharedApplication].keyWindow addSubview:tempImageView];
|
|
|
-
|
|
|
-
|
|
|
- [UIView animateWithDuration:0.3 delay:0 options:UIViewAnimationOptionCurveEaseIn animations:^{
|
|
|
- tempImageView.frame = endFrame;
|
|
|
- self.alpha = 0;
|
|
|
- } completion:^(BOOL finished) {
|
|
|
-
|
|
|
- [self removeFromSuperview];
|
|
|
- [tempImageView removeFromSuperview];
|
|
|
-
|
|
|
- }];
|
|
|
-
|
|
|
-}
|
|
|
-
|
|
|
-- (void)resetCountLabWithIndex:(NSInteger)index {
|
|
|
-
|
|
|
- NSString *text = [NSString stringWithFormat:@"%zd%zd",_imagesCount,_imagesCount];
|
|
|
- CGFloat width = [text sizeWithAttributes:@{NSFontAttributeName:[UIFont systemFontOfSize:13]}].width+8;
|
|
|
- _countLab.frame = CGRectMake(8, 1, MAX(50, width), 28);
|
|
|
- _countLab.text = [NSString stringWithFormat:@"%zd/%zd",index,_imagesCount];
|
|
|
-}
|
|
|
-
|
|
|
-- (void)saveImae {
|
|
|
- HUPhotoBrowserCell *cell = (HUPhotoBrowserCell *)[self.collectionView cellForItemAtIndexPath:[NSIndexPath indexPathForRow:_currentPage inSection:0]];
|
|
|
- UIImage *seavedImage = cell.imageView.image;
|
|
|
- if (seavedImage) {
|
|
|
- UIImageWriteToSavedPhotosAlbum(seavedImage, self, @selector(imageSavedToPhotosAlbum:didFinishSavingWithError:contextInfo:), nil);
|
|
|
- }
|
|
|
-
|
|
|
-}
|
|
|
-
|
|
|
-- (void)imageSavedToPhotosAlbum:(UIImage *)image didFinishSavingWithError:(NSError *)error contextInfo:(void *)contextInfo {
|
|
|
-
|
|
|
- NSString *msg = nil ;
|
|
|
- if(error != nil){
|
|
|
- msg = @"保存图片失败";
|
|
|
- [SVProgressHUD showInfoWithStatus:msg];
|
|
|
- }
|
|
|
- else{
|
|
|
- msg = @"保存图片成功";
|
|
|
- [SVProgressHUD showSuccessWithStatus:msg];
|
|
|
- }
|
|
|
-
|
|
|
-}
|
|
|
-
|
|
|
-@end
|