From 7b02207537d35bfa1714bf8beafc921f717d100a Mon Sep 17 00:00:00 2001
From: 单军华
Date: Wed, 11 Jul 2018 10:47:42 +0800
Subject: [PATCH] 首次上传
---
screendisplay/Pods/TZImagePickerController/TZImagePickerController/TZImagePickerController/TZPhotoPreviewController.m | 557 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 557 insertions(+), 0 deletions(-)
diff --git a/screendisplay/Pods/TZImagePickerController/TZImagePickerController/TZImagePickerController/TZPhotoPreviewController.m b/screendisplay/Pods/TZImagePickerController/TZImagePickerController/TZImagePickerController/TZPhotoPreviewController.m
new file mode 100644
index 0000000..b41e710
--- /dev/null
+++ b/screendisplay/Pods/TZImagePickerController/TZImagePickerController/TZImagePickerController/TZPhotoPreviewController.m
@@ -0,0 +1,557 @@
+//
+// TZPhotoPreviewController.m
+// TZImagePickerController
+//
+// Created by ������ on 15/12/24.
+// Copyright �� 2015��� ������. All rights reserved.
+//
+
+#import "TZPhotoPreviewController.h"
+#import "TZPhotoPreviewCell.h"
+#import "TZAssetModel.h"
+#import "UIView+Layout.h"
+#import "TZImagePickerController.h"
+#import "TZImageManager.h"
+#import "TZImageCropManager.h"
+
+@interface TZPhotoPreviewController ()<UICollectionViewDataSource,UICollectionViewDelegate,UIScrollViewDelegate> {
+ UICollectionView *_collectionView;
+ UICollectionViewFlowLayout *_layout;
+ NSArray *_photosTemp;
+ NSArray *_assetsTemp;
+
+ UIView *_naviBar;
+ UIButton *_backButton;
+ UIButton *_selectButton;
+ UILabel *_indexLabel;
+
+ UIView *_toolBar;
+ UIButton *_doneButton;
+ UIImageView *_numberImageView;
+ UILabel *_numberLabel;
+ UIButton *_originalPhotoButton;
+ UILabel *_originalPhotoLabel;
+
+ CGFloat _offsetItemCount;
+}
+@property (nonatomic, assign) BOOL isHideNaviBar;
+@property (nonatomic, strong) UIView *cropBgView;
+@property (nonatomic, strong) UIView *cropView;
+
+@property (nonatomic, assign) double progress;
+@property (strong, nonatomic) id alertView;
+@end
+
+@implementation TZPhotoPreviewController
+
+- (void)viewDidLoad {
+ [super viewDidLoad];
+ [TZImageManager manager].shouldFixOrientation = YES;
+ __weak typeof(self) weakSelf = self;
+ TZImagePickerController *_tzImagePickerVc = (TZImagePickerController *)weakSelf.navigationController;
+ if (!self.models.count) {
+ self.models = [NSMutableArray arrayWithArray:_tzImagePickerVc.selectedModels];
+ _assetsTemp = [NSMutableArray arrayWithArray:_tzImagePickerVc.selectedAssets];
+ }
+ [self configCollectionView];
+ [self configCustomNaviBar];
+ [self configBottomToolBar];
+ self.view.clipsToBounds = YES;
+ [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(didChangeStatusBarOrientationNotification:) name:UIApplicationDidChangeStatusBarOrientationNotification object:nil];
+}
+
+- (void)setPhotos:(NSMutableArray *)photos {
+ _photos = photos;
+ _photosTemp = [NSArray arrayWithArray:photos];
+}
+
+- (void)viewWillAppear:(BOOL)animated {
+ [super viewWillAppear:animated];
+ [self.navigationController setNavigationBarHidden:YES animated:YES];
+ if (iOS7Later) [UIApplication sharedApplication].statusBarHidden = YES;
+ if (_currentIndex) [_collectionView setContentOffset:CGPointMake((self.view.tz_width + 20) * _currentIndex, 0) animated:NO];
+ [self refreshNaviBarAndBottomBarState];
+}
+
+- (void)viewWillDisappear:(BOOL)animated {
+ [super viewWillDisappear:animated];
+ [self.navigationController setNavigationBarHidden:NO animated:YES];
+ TZImagePickerController *tzImagePickerVc = (TZImagePickerController *)self.navigationController;
+ if (tzImagePickerVc.needShowStatusBar && iOS7Later) {
+ [UIApplication sharedApplication].statusBarHidden = NO;
+ }
+ [TZImageManager manager].shouldFixOrientation = NO;
+}
+
+- (BOOL)prefersStatusBarHidden {
+ return YES;
+}
+
+- (void)configCustomNaviBar {
+ TZImagePickerController *tzImagePickerVc = (TZImagePickerController *)self.navigationController;
+
+ _naviBar = [[UIView alloc] initWithFrame:CGRectZero];
+ _naviBar.backgroundColor = [UIColor colorWithRed:(34/255.0) green:(34/255.0) blue:(34/255.0) alpha:0.7];
+
+ _backButton = [[UIButton alloc] initWithFrame:CGRectZero];
+ [_backButton setImage:[UIImage imageNamedFromMyBundle:@"navi_back"] forState:UIControlStateNormal];
+ [_backButton setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal];
+ [_backButton addTarget:self action:@selector(backButtonClick) forControlEvents:UIControlEventTouchUpInside];
+
+ _selectButton = [[UIButton alloc] initWithFrame:CGRectZero];
+ [_selectButton setImage:tzImagePickerVc.photoDefImage forState:UIControlStateNormal];
+ [_selectButton setImage:tzImagePickerVc.photoSelImage forState:UIControlStateSelected];
+ _selectButton.imageView.clipsToBounds = YES;
+ _selectButton.imageEdgeInsets = UIEdgeInsetsMake(10, 0, 10, 0);
+ _selectButton.imageView.contentMode = UIViewContentModeScaleAspectFit;
+ [_selectButton addTarget:self action:@selector(select:) forControlEvents:UIControlEventTouchUpInside];
+ _selectButton.hidden = !tzImagePickerVc.showSelectBtn;
+
+ _indexLabel = [[UILabel alloc] init];
+ _indexLabel.font = [UIFont systemFontOfSize:14];
+ _indexLabel.textColor = [UIColor whiteColor];
+ _indexLabel.textAlignment = NSTextAlignmentCenter;
+
+ [_naviBar addSubview:_selectButton];
+ [_naviBar addSubview:_indexLabel];
+ [_naviBar addSubview:_backButton];
+ [self.view addSubview:_naviBar];
+}
+
+- (void)configBottomToolBar {
+ _toolBar = [[UIView alloc] initWithFrame:CGRectZero];
+ static CGFloat rgb = 34 / 255.0;
+ _toolBar.backgroundColor = [UIColor colorWithRed:rgb green:rgb blue:rgb alpha:0.7];
+
+ TZImagePickerController *_tzImagePickerVc = (TZImagePickerController *)self.navigationController;
+ if (_tzImagePickerVc.allowPickingOriginalPhoto) {
+ _originalPhotoButton = [UIButton buttonWithType:UIButtonTypeCustom];
+ _originalPhotoButton.imageEdgeInsets = UIEdgeInsetsMake(0, -10, 0, 0);
+ _originalPhotoButton.backgroundColor = [UIColor clearColor];
+ [_originalPhotoButton addTarget:self action:@selector(originalPhotoButtonClick) forControlEvents:UIControlEventTouchUpInside];
+ _originalPhotoButton.titleLabel.font = [UIFont systemFontOfSize:13];
+ [_originalPhotoButton setTitle:_tzImagePickerVc.fullImageBtnTitleStr forState:UIControlStateNormal];
+ [_originalPhotoButton setTitle:_tzImagePickerVc.fullImageBtnTitleStr forState:UIControlStateSelected];
+ [_originalPhotoButton setTitleColor:[UIColor lightGrayColor] forState:UIControlStateNormal];
+ [_originalPhotoButton setTitleColor:[UIColor whiteColor] forState:UIControlStateSelected];
+ [_originalPhotoButton setImage:_tzImagePickerVc.photoPreviewOriginDefImage forState:UIControlStateNormal];
+ [_originalPhotoButton setImage:_tzImagePickerVc.photoOriginSelImage forState:UIControlStateSelected];
+
+ _originalPhotoLabel = [[UILabel alloc] init];
+ _originalPhotoLabel.textAlignment = NSTextAlignmentLeft;
+ _originalPhotoLabel.font = [UIFont systemFontOfSize:13];
+ _originalPhotoLabel.textColor = [UIColor whiteColor];
+ _originalPhotoLabel.backgroundColor = [UIColor clearColor];
+ if (_isSelectOriginalPhoto) [self showPhotoBytes];
+ }
+
+ _doneButton = [UIButton buttonWithType:UIButtonTypeCustom];
+ _doneButton.titleLabel.font = [UIFont systemFontOfSize:16];
+ [_doneButton addTarget:self action:@selector(doneButtonClick) forControlEvents:UIControlEventTouchUpInside];
+ [_doneButton setTitle:_tzImagePickerVc.doneBtnTitleStr forState:UIControlStateNormal];
+ [_doneButton setTitleColor:_tzImagePickerVc.oKButtonTitleColorNormal forState:UIControlStateNormal];
+
+ _numberImageView = [[UIImageView alloc] initWithImage:_tzImagePickerVc.photoNumberIconImage];
+ _numberImageView.backgroundColor = [UIColor clearColor];
+ _numberImageView.clipsToBounds = YES;
+ _numberImageView.contentMode = UIViewContentModeScaleAspectFit;
+ _numberImageView.hidden = _tzImagePickerVc.selectedModels.count <= 0;
+
+ _numberLabel = [[UILabel alloc] init];
+ _numberLabel.font = [UIFont systemFontOfSize:15];
+ _numberLabel.textColor = [UIColor whiteColor];
+ _numberLabel.textAlignment = NSTextAlignmentCenter;
+ _numberLabel.text = [NSString stringWithFormat:@"%zd",_tzImagePickerVc.selectedModels.count];
+ _numberLabel.hidden = _tzImagePickerVc.selectedModels.count <= 0;
+ _numberLabel.backgroundColor = [UIColor clearColor];
+
+ [_originalPhotoButton addSubview:_originalPhotoLabel];
+ [_toolBar addSubview:_doneButton];
+ [_toolBar addSubview:_originalPhotoButton];
+ [_toolBar addSubview:_numberImageView];
+ [_toolBar addSubview:_numberLabel];
+ [self.view addSubview:_toolBar];
+
+ if (_tzImagePickerVc.photoPreviewPageUIConfigBlock) {
+ _tzImagePickerVc.photoPreviewPageUIConfigBlock(_collectionView, _naviBar, _backButton, _selectButton, _indexLabel, _toolBar, _originalPhotoButton, _originalPhotoLabel, _doneButton, _numberImageView, _numberLabel);
+ }
+}
+
+- (void)configCollectionView {
+ _layout = [[UICollectionViewFlowLayout alloc] init];
+ _layout.scrollDirection = UICollectionViewScrollDirectionHorizontal;
+ _collectionView = [[UICollectionView alloc] initWithFrame:CGRectZero collectionViewLayout:_layout];
+ _collectionView.backgroundColor = [UIColor blackColor];
+ _collectionView.dataSource = self;
+ _collectionView.delegate = self;
+ _collectionView.pagingEnabled = YES;
+ _collectionView.scrollsToTop = NO;
+ _collectionView.showsHorizontalScrollIndicator = NO;
+ _collectionView.contentOffset = CGPointMake(0, 0);
+ _collectionView.contentSize = CGSizeMake(self.models.count * (self.view.tz_width + 20), 0);
+ [self.view addSubview:_collectionView];
+ [_collectionView registerClass:[TZPhotoPreviewCell class] forCellWithReuseIdentifier:@"TZPhotoPreviewCell"];
+ [_collectionView registerClass:[TZVideoPreviewCell class] forCellWithReuseIdentifier:@"TZVideoPreviewCell"];
+ [_collectionView registerClass:[TZGifPreviewCell class] forCellWithReuseIdentifier:@"TZGifPreviewCell"];
+}
+
+- (void)configCropView {
+ TZImagePickerController *_tzImagePickerVc = (TZImagePickerController *)self.navigationController;
+ if (_tzImagePickerVc.maxImagesCount <= 1 && _tzImagePickerVc.allowCrop) {
+ [_cropView removeFromSuperview];
+ [_cropBgView removeFromSuperview];
+
+ _cropBgView = [UIView new];
+ _cropBgView.userInteractionEnabled = NO;
+ _cropBgView.frame = self.view.bounds;
+ _cropBgView.backgroundColor = [UIColor clearColor];
+ [self.view addSubview:_cropBgView];
+ [TZImageCropManager overlayClippingWithView:_cropBgView cropRect:_tzImagePickerVc.cropRect containerView:self.view needCircleCrop:_tzImagePickerVc.needCircleCrop];
+
+ _cropView = [UIView new];
+ _cropView.userInteractionEnabled = NO;
+ _cropView.frame = _tzImagePickerVc.cropRect;
+ _cropView.backgroundColor = [UIColor clearColor];
+ _cropView.layer.borderColor = [UIColor whiteColor].CGColor;
+ _cropView.layer.borderWidth = 1.0;
+ if (_tzImagePickerVc.needCircleCrop) {
+ _cropView.layer.cornerRadius = _tzImagePickerVc.cropRect.size.width / 2;
+ _cropView.clipsToBounds = YES;
+ }
+ [self.view addSubview:_cropView];
+ if (_tzImagePickerVc.cropViewSettingBlock) {
+ _tzImagePickerVc.cropViewSettingBlock(_cropView);
+ }
+
+ [self.view bringSubviewToFront:_naviBar];
+ [self.view bringSubviewToFront:_toolBar];
+ }
+}
+
+#pragma mark - Layout
+
+- (void)viewDidLayoutSubviews {
+ [super viewDidLayoutSubviews];
+ TZImagePickerController *_tzImagePickerVc = (TZImagePickerController *)self.navigationController;
+
+ CGFloat statusBarHeight = [TZCommonTools tz_statusBarHeight];
+ CGFloat statusBarHeightInterval = statusBarHeight - 20;
+ CGFloat naviBarHeight = statusBarHeight + _tzImagePickerVc.navigationBar.tz_height;
+ _naviBar.frame = CGRectMake(0, 0, self.view.tz_width, naviBarHeight);
+ _backButton.frame = CGRectMake(10, 10 + statusBarHeightInterval, 44, 44);
+ _selectButton.frame = CGRectMake(self.view.tz_width - 56, 10 + statusBarHeightInterval, 44, 44);
+ _indexLabel.frame = _selectButton.frame;
+
+ _layout.itemSize = CGSizeMake(self.view.tz_width + 20, self.view.tz_height);
+ _layout.minimumInteritemSpacing = 0;
+ _layout.minimumLineSpacing = 0;
+ _collectionView.frame = CGRectMake(-10, 0, self.view.tz_width + 20, self.view.tz_height);
+ [_collectionView setCollectionViewLayout:_layout];
+ if (_offsetItemCount > 0) {
+ CGFloat offsetX = _offsetItemCount * _layout.itemSize.width;
+ [_collectionView setContentOffset:CGPointMake(offsetX, 0)];
+ }
+ if (_tzImagePickerVc.allowCrop) {
+ [_collectionView reloadData];
+ }
+
+ CGFloat toolBarHeight = [TZCommonTools tz_isIPhoneX] ? 44 + (83 - 49) : 44;
+ CGFloat toolBarTop = self.view.tz_height - toolBarHeight;
+ _toolBar.frame = CGRectMake(0, toolBarTop, self.view.tz_width, toolBarHeight);
+ if (_tzImagePickerVc.allowPickingOriginalPhoto) {
+ CGFloat fullImageWidth = [_tzImagePickerVc.fullImageBtnTitleStr tz_calculateSizeWithAttributes:@{NSFontAttributeName:[UIFont systemFontOfSize:13]} maxSize:CGSizeMake(CGFLOAT_MAX, CGFLOAT_MAX)].width;
+ _originalPhotoButton.frame = CGRectMake(0, 0, fullImageWidth + 56, 44);
+ _originalPhotoLabel.frame = CGRectMake(fullImageWidth + 42, 0, 80, 44);
+ }
+ [_doneButton sizeToFit];
+ _doneButton.frame = CGRectMake(self.view.tz_width - _doneButton.tz_width - 12, 0, _doneButton.tz_width, 44);
+ _numberImageView.frame = CGRectMake(_doneButton.tz_left - 24 - 5, 10, 24, 24);
+ _numberLabel.frame = _numberImageView.frame;
+
+ [self configCropView];
+
+ if (_tzImagePickerVc.photoPreviewPageDidLayoutSubviewsBlock) {
+ _tzImagePickerVc.photoPreviewPageDidLayoutSubviewsBlock(_collectionView, _naviBar, _backButton, _selectButton, _indexLabel, _toolBar, _originalPhotoButton, _originalPhotoLabel, _doneButton, _numberImageView, _numberLabel);
+ }
+}
+
+#pragma mark - Notification
+
+- (void)didChangeStatusBarOrientationNotification:(NSNotification *)noti {
+ _offsetItemCount = _collectionView.contentOffset.x / _layout.itemSize.width;
+}
+
+#pragma mark - Click Event
+
+- (void)select:(UIButton *)selectButton {
+ TZImagePickerController *_tzImagePickerVc = (TZImagePickerController *)self.navigationController;
+ TZAssetModel *model = _models[_currentIndex];
+ if (!selectButton.isSelected) {
+ // 1. select:check if over the maxImagesCount / ������������,������������������������������������������
+ if (_tzImagePickerVc.selectedModels.count >= _tzImagePickerVc.maxImagesCount) {
+ NSString *title = [NSString stringWithFormat:[NSBundle tz_localizedStringForKey:@"Select a maximum of %zd photos"], _tzImagePickerVc.maxImagesCount];
+ [_tzImagePickerVc showAlertWithTitle:title];
+ return;
+ // 2. if not over the maxImagesCount / ������������������������������������
+ } else {
+ [_tzImagePickerVc addSelectedModel:model];
+ if (self.photos) {
+ [_tzImagePickerVc.selectedAssets addObject:_assetsTemp[_currentIndex]];
+ [self.photos addObject:_photosTemp[_currentIndex]];
+ }
+ if (model.type == TZAssetModelMediaTypeVideo && !_tzImagePickerVc.allowPickingMultipleVideo) {
+ [_tzImagePickerVc showAlertWithTitle:[NSBundle tz_localizedStringForKey:@"Select the video when in multi state, we will handle the video as a photo"]];
+ }
+ }
+ } else {
+ NSArray *selectedModels = [NSArray arrayWithArray:_tzImagePickerVc.selectedModels];
+ for (TZAssetModel *model_item in selectedModels) {
+ if ([[[TZImageManager manager] getAssetIdentifier:model.asset] isEqualToString:[[TZImageManager manager] getAssetIdentifier:model_item.asset]]) {
+ // 1.6.7������������:������������������������model,���������������������
+ NSArray *selectedModelsTmp = [NSArray arrayWithArray:_tzImagePickerVc.selectedModels];
+ for (NSInteger i = 0; i < selectedModelsTmp.count; i++) {
+ TZAssetModel *model = selectedModelsTmp[i];
+ if ([model isEqual:model_item]) {
+ [_tzImagePickerVc removeSelectedModel:model];
+ // [_tzImagePickerVc.selectedModels removeObjectAtIndex:i];
+ break;
+ }
+ }
+ if (self.photos) {
+ // 1.6.7������������:������������������������asset,���������������������
+ NSArray *selectedAssetsTmp = [NSArray arrayWithArray:_tzImagePickerVc.selectedAssets];
+ for (NSInteger i = 0; i < selectedAssetsTmp.count; i++) {
+ id asset = selectedAssetsTmp[i];
+ if ([asset isEqual:_assetsTemp[_currentIndex]]) {
+ [_tzImagePickerVc.selectedAssets removeObjectAtIndex:i];
+ break;
+ }
+ }
+ // [_tzImagePickerVc.selectedAssets removeObject:_assetsTemp[_currentIndex]];
+ [self.photos removeObject:_photosTemp[_currentIndex]];
+ }
+ break;
+ }
+ }
+ }
+ model.isSelected = !selectButton.isSelected;
+ [self refreshNaviBarAndBottomBarState];
+ if (model.isSelected) {
+ [UIView showOscillatoryAnimationWithLayer:selectButton.imageView.layer type:TZOscillatoryAnimationToBigger];
+ }
+ [UIView showOscillatoryAnimationWithLayer:_numberImageView.layer type:TZOscillatoryAnimationToSmaller];
+}
+
+- (void)backButtonClick {
+ if (self.navigationController.childViewControllers.count < 2) {
+ [self.navigationController dismissViewControllerAnimated:YES completion:nil];
+ return;
+ }
+ [self.navigationController popViewControllerAnimated:YES];
+ if (self.backButtonClickBlock) {
+ self.backButtonClickBlock(_isSelectOriginalPhoto);
+ }
+}
+
+- (void)doneButtonClick {
+ TZImagePickerController *_tzImagePickerVc = (TZImagePickerController *)self.navigationController;
+ // ���������������������iCloud���������,������������
+ if (_progress > 0 && _progress < 1 && (_selectButton.isSelected || !_tzImagePickerVc.selectedModels.count )) {
+ _alertView = [_tzImagePickerVc showAlertWithTitle:[NSBundle tz_localizedStringForKey:@"Synchronizing photos from iCloud"]];
+ return;
+ }
+
+ // ��������������������������� ������������������������������������������
+ if (_tzImagePickerVc.selectedModels.count == 0 && _tzImagePickerVc.minImagesCount <= 0) {
+ TZAssetModel *model = _models[_currentIndex];
+ [_tzImagePickerVc addSelectedModel:model];
+ }
+ if (_tzImagePickerVc.allowCrop) { // ������������
+ NSIndexPath *indexPath = [NSIndexPath indexPathForItem:_currentIndex inSection:0];
+ TZPhotoPreviewCell *cell = (TZPhotoPreviewCell *)[_collectionView cellForItemAtIndexPath:indexPath];
+ UIImage *cropedImage = [TZImageCropManager cropImageView:cell.previewView.imageView toRect:_tzImagePickerVc.cropRect zoomScale:cell.previewView.scrollView.zoomScale containerView:self.view];
+ if (_tzImagePickerVc.needCircleCrop) {
+ cropedImage = [TZImageCropManager circularClipImage:cropedImage];
+ }
+ if (self.doneButtonClickBlockCropMode) {
+ TZAssetModel *model = _models[_currentIndex];
+ self.doneButtonClickBlockCropMode(cropedImage,model.asset);
+ }
+ } else if (self.doneButtonClickBlock) { // ���������������
+ self.doneButtonClickBlock(_isSelectOriginalPhoto);
+ }
+ if (self.doneButtonClickBlockWithPreviewType) {
+ self.doneButtonClickBlockWithPreviewType(self.photos,_tzImagePickerVc.selectedAssets,self.isSelectOriginalPhoto);
+ }
+}
+
+- (void)originalPhotoButtonClick {
+ _originalPhotoButton.selected = !_originalPhotoButton.isSelected;
+ _isSelectOriginalPhoto = _originalPhotoButton.isSelected;
+ _originalPhotoLabel.hidden = !_originalPhotoButton.isSelected;
+ if (_isSelectOriginalPhoto) {
+ [self showPhotoBytes];
+ if (!_selectButton.isSelected) {
+ // ��������������������������������� < ������������������ && ������������������������1���������������������
+ TZImagePickerController *_tzImagePickerVc = (TZImagePickerController *)self.navigationController;
+ if (_tzImagePickerVc.selectedModels.count < _tzImagePickerVc.maxImagesCount && _tzImagePickerVc.showSelectBtn) {
+ [self select:_selectButton];
+ }
+ }
+ }
+}
+
+- (void)didTapPreviewCell {
+ self.isHideNaviBar = !self.isHideNaviBar;
+ _naviBar.hidden = self.isHideNaviBar;
+ _toolBar.hidden = self.isHideNaviBar;
+}
+
+#pragma mark - UIScrollViewDelegate
+
+- (void)scrollViewDidScroll:(UIScrollView *)scrollView {
+ CGFloat offSetWidth = scrollView.contentOffset.x;
+ offSetWidth = offSetWidth + ((self.view.tz_width + 20) * 0.5);
+
+ NSInteger currentIndex = offSetWidth / (self.view.tz_width + 20);
+
+ if (currentIndex < _models.count && _currentIndex != currentIndex) {
+ _currentIndex = currentIndex;
+ [self refreshNaviBarAndBottomBarState];
+ }
+
+ [[NSNotificationCenter defaultCenter] postNotificationName:@"photoPreviewCollectionViewDidScroll" object:nil];
+}
+
+#pragma mark - UICollectionViewDataSource && Delegate
+
+- (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section {
+ return _models.count;
+}
+
+- (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath {
+ TZImagePickerController *_tzImagePickerVc = (TZImagePickerController *)self.navigationController;
+ TZAssetModel *model = _models[indexPath.item];
+
+ TZAssetPreviewCell *cell;
+ __weak typeof(self) weakSelf = self;
+ if (_tzImagePickerVc.allowPickingMultipleVideo && model.type == TZAssetModelMediaTypeVideo) {
+ cell = [collectionView dequeueReusableCellWithReuseIdentifier:@"TZVideoPreviewCell" forIndexPath:indexPath];
+ } else if (_tzImagePickerVc.allowPickingMultipleVideo && model.type == TZAssetModelMediaTypePhotoGif && _tzImagePickerVc.allowPickingGif) {
+ cell = [collectionView dequeueReusableCellWithReuseIdentifier:@"TZGifPreviewCell" forIndexPath:indexPath];
+ } else {
+ cell = [collectionView dequeueReusableCellWithReuseIdentifier:@"TZPhotoPreviewCell" forIndexPath:indexPath];
+ TZPhotoPreviewCell *photoPreviewCell = (TZPhotoPreviewCell *)cell;
+ photoPreviewCell.cropRect = _tzImagePickerVc.cropRect;
+ photoPreviewCell.allowCrop = _tzImagePickerVc.allowCrop;
+ __weak typeof(_tzImagePickerVc) weakTzImagePickerVc = _tzImagePickerVc;
+ __weak typeof(_collectionView) weakCollectionView = _collectionView;
+ __weak typeof(photoPreviewCell) weakCell = photoPreviewCell;
+ [photoPreviewCell setImageProgressUpdateBlock:^(double progress) {
+ __strong typeof(weakSelf) strongSelf = weakSelf;
+ __strong typeof(weakTzImagePickerVc) strongTzImagePickerVc = weakTzImagePickerVc;
+ __strong typeof(weakCollectionView) strongCollectionView = weakCollectionView;
+ __strong typeof(weakCell) strongCell = weakCell;
+ strongSelf.progress = progress;
+ if (progress >= 1) {
+ if (strongSelf.isSelectOriginalPhoto) [strongSelf showPhotoBytes];
+ if (strongSelf.alertView && [strongCollectionView.visibleCells containsObject:strongCell]) {
+ [strongTzImagePickerVc hideAlertView:strongSelf.alertView];
+ strongSelf.alertView = nil;
+ [strongSelf doneButtonClick];
+ }
+ }
+ }];
+ }
+
+ cell.model = model;
+ [cell setSingleTapGestureBlock:^{
+ __strong typeof(weakSelf) strongSelf = weakSelf;
+ [strongSelf didTapPreviewCell];
+ }];
+ return cell;
+}
+
+- (void)collectionView:(UICollectionView *)collectionView willDisplayCell:(UICollectionViewCell *)cell forItemAtIndexPath:(NSIndexPath *)indexPath {
+ if ([cell isKindOfClass:[TZPhotoPreviewCell class]]) {
+ [(TZPhotoPreviewCell *)cell recoverSubviews];
+ }
+}
+
+- (void)collectionView:(UICollectionView *)collectionView didEndDisplayingCell:(UICollectionViewCell *)cell forItemAtIndexPath:(NSIndexPath *)indexPath {
+ if ([cell isKindOfClass:[TZPhotoPreviewCell class]]) {
+ [(TZPhotoPreviewCell *)cell recoverSubviews];
+ } else if ([cell isKindOfClass:[TZVideoPreviewCell class]]) {
+ [(TZVideoPreviewCell *)cell pausePlayerAndShowNaviBar];
+ }
+}
+
+#pragma mark - Private Method
+
+- (void)dealloc {
+ // NSLog(@"%@ dealloc",NSStringFromClass(self.class));
+}
+
+- (void)refreshNaviBarAndBottomBarState {
+ TZImagePickerController *_tzImagePickerVc = (TZImagePickerController *)self.navigationController;
+ TZAssetModel *model = _models[_currentIndex];
+ _selectButton.selected = model.isSelected;
+ [self refreshSelectButtonImageViewContentMode];
+ if (_selectButton.isSelected && _tzImagePickerVc.showSelectedIndex) {
+ NSString *assetId = [[TZImageManager manager] getAssetIdentifier:model.asset];
+ NSString *index = [NSString stringWithFormat:@"%zd", [_tzImagePickerVc.selectedAssetIds indexOfObject:assetId] + 1];
+ _indexLabel.text = index;
+ _indexLabel.hidden = NO;
+ } else {
+ _indexLabel.hidden = YES;
+ }
+ _numberLabel.text = [NSString stringWithFormat:@"%zd",_tzImagePickerVc.selectedModels.count];
+ _numberImageView.hidden = (_tzImagePickerVc.selectedModels.count <= 0 || _isHideNaviBar || _isCropImage);
+ _numberLabel.hidden = (_tzImagePickerVc.selectedModels.count <= 0 || _isHideNaviBar || _isCropImage);
+
+ _originalPhotoButton.selected = _isSelectOriginalPhoto;
+ _originalPhotoLabel.hidden = !_originalPhotoButton.isSelected;
+ if (_isSelectOriginalPhoto) [self showPhotoBytes];
+
+ // If is previewing video, hide original photo button
+ // ���������������������������������������������������
+ if (!_isHideNaviBar) {
+ if (model.type == TZAssetModelMediaTypeVideo) {
+ _originalPhotoButton.hidden = YES;
+ _originalPhotoLabel.hidden = YES;
+ } else {
+ _originalPhotoButton.hidden = NO;
+ if (_isSelectOriginalPhoto) _originalPhotoLabel.hidden = NO;
+ }
+ }
+
+ _doneButton.hidden = NO;
+ _selectButton.hidden = !_tzImagePickerVc.showSelectBtn;
+ // ���������/������������ ������������������������ ���������������������
+ if (![[TZImageManager manager] isPhotoSelectableWithAsset:model.asset]) {
+ _numberLabel.hidden = YES;
+ _numberImageView.hidden = YES;
+ _selectButton.hidden = YES;
+ _originalPhotoButton.hidden = YES;
+ _originalPhotoLabel.hidden = YES;
+ _doneButton.hidden = YES;
+ }
+}
+
+- (void)refreshSelectButtonImageViewContentMode {
+ dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
+ if (self->_selectButton.imageView.image.size.width <= 27) {
+ self->_selectButton.imageView.contentMode = UIViewContentModeCenter;
+ } else {
+ self->_selectButton.imageView.contentMode = UIViewContentModeScaleAspectFit;
+ }
+ });
+}
+
+- (void)showPhotoBytes {
+ [[TZImageManager manager] getPhotosBytesWithArray:@[_models[_currentIndex]] completion:^(NSString *totalBytes) {
+ self->_originalPhotoLabel.text = [NSString stringWithFormat:@"(%@)",totalBytes];
+ }];
+}
+
+@end
--
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