ZLPhotoActionSheet.m
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//
// ZLPhotoActionSheet.m
// 多选相册照片
//
// Created by long on 15/11/25.
// Copyright © 2015年 long. All rights reserved.
//
#import "ZLPhotoActionSheet.h"
#import "ZLCollectionCell.h"
#import "ZLPhotoManager.h"
#import "ZLPhotoBrowser.h"
#import "ZLShowBigImgViewController.h"
#import "ZLThumbnailViewController.h"
#import "ZLNoAuthorityViewController.h"
#import "ToastUtils.h"
#import "ZLEditViewController.h"
#import "ZLEditVideoController.h"
#import "ZLCustomCamera.h"
#import "ZLDefine.h"
#import <MobileCoreServices/MobileCoreServices.h>
#define kBaseViewHeight (self.configuration.maxPreviewCount ? 300 : 142)
double const ScalePhotoWidth = 1000;
@interface ZLPhotoActionSheet () <UICollectionViewDelegateFlowLayout, UIImagePickerControllerDelegate, UINavigationControllerDelegate, PHPhotoLibraryChangeObserver>
{
CGPoint _panBeginPoint;
ZLCollectionCell *_panCell;
UIImageView *_panView;
ZLPhotoModel *_panModel;
}
@property (weak, nonatomic) IBOutlet UIButton *btnCamera;
@property (weak, nonatomic) IBOutlet UIButton *btnAblum;
@property (weak, nonatomic) IBOutlet UIButton *btnCancel;
@property (weak, nonatomic) IBOutlet UIView *baseView;
@property (weak, nonatomic) IBOutlet UICollectionView *collectionView;
@property (weak, nonatomic) IBOutlet NSLayoutConstraint *verColHeight;
@property (weak, nonatomic) IBOutlet NSLayoutConstraint *verBottomSpace;
@property (nonatomic, assign) BOOL animate;
@property (nonatomic, assign) BOOL preview;
@property (nonatomic, strong) NSMutableArray<ZLPhotoModel *> *arrDataSources;
@property (nonatomic, copy) NSMutableArray<ZLPhotoModel *> *arrSelectedModels;
@property (nonatomic, assign) BOOL isSelectOriginalPhoto;
@property (nonatomic, assign) UIStatusBarStyle previousStatusBarStyle;
@property (nonatomic, assign) BOOL previousStatusBarIsHidden;
@property (nonatomic, assign) BOOL senderTabBarIsShow;
@property (nonatomic, strong) UILabel *placeholderLabel;
@end
@implementation ZLPhotoActionSheet
- (void)dealloc
{
[[PHPhotoLibrary sharedPhotoLibrary] unregisterChangeObserver:self];
// NSLog(@"---- %s", __FUNCTION__);
}
- (NSMutableArray<ZLPhotoModel *> *)arrDataSources
{
if (!_arrDataSources) {
_arrDataSources = [NSMutableArray array];
}
return _arrDataSources;
}
- (NSMutableArray<ZLPhotoModel *> *)arrSelectedModels
{
if (!_arrSelectedModels) {
_arrSelectedModels = [NSMutableArray array];
}
return _arrSelectedModels;
}
- (UILabel *)placeholderLabel
{
if (!_placeholderLabel) {
_placeholderLabel = [[UILabel alloc] initWithFrame:CGRectMake(0, 0, kViewWidth, 100)];
_placeholderLabel.text = GetLocalLanguageTextValue(ZLPhotoBrowserNoPhotoText);
_placeholderLabel.textAlignment = NSTextAlignmentCenter;
_placeholderLabel.textColor = [UIColor darkGrayColor];
_placeholderLabel.font = [UIFont systemFontOfSize:15];
_placeholderLabel.center = self.collectionView.center;
[self.collectionView addSubview:_placeholderLabel];
_placeholderLabel.hidden = YES;
}
return _placeholderLabel;
}
#pragma mark - setter
- (void)setArrSelectedAssets:(NSMutableArray<PHAsset *> *)arrSelectedAssets
{
_arrSelectedAssets = arrSelectedAssets;
[self.arrSelectedModels removeAllObjects];
for (PHAsset *asset in arrSelectedAssets) {
ZLPhotoModel *model = [ZLPhotoModel modelWithAsset:asset type:[ZLPhotoManager transformAssetType:asset] duration:nil];
model.selected = YES;
[self.arrSelectedModels addObject:model];
}
}
- (instancetype)init
{
self = [[kZLPhotoBrowserBundle loadNibNamed:@"ZLPhotoActionSheet" owner:self options:nil] lastObject];
if (self) {
UICollectionViewFlowLayout *layout = [[UICollectionViewFlowLayout alloc] init];
layout.scrollDirection = UICollectionViewScrollDirectionHorizontal;
layout.minimumInteritemSpacing = 3;
layout.sectionInset = UIEdgeInsetsMake(0, 5, 0, 5);
_configuration = [ZLPhotoConfiguration defaultPhotoConfiguration];
self.collectionView.collectionViewLayout = layout;
self.collectionView.backgroundColor = [UIColor whiteColor];
[self.collectionView registerClass:NSClassFromString(@"ZLCollectionCell") forCellWithReuseIdentifier:@"ZLCollectionCell"];
if (![ZLPhotoManager havePhotoLibraryAuthority]) {
//注册实施监听相册变化
[[PHPhotoLibrary sharedPhotoLibrary] registerChangeObserver:self];
}
}
return self;
}
- (void)layoutSubviews
{
[super layoutSubviews];
if (!self.configuration.allowSelectImage && self.configuration.allowRecordVideo) {
[self.btnCamera setTitle:GetLocalLanguageTextValue(ZLPhotoBrowserCameraRecordText) forState:UIControlStateNormal];
} else {
[self.btnCamera setTitle:GetLocalLanguageTextValue(ZLPhotoBrowserCameraText) forState:UIControlStateNormal];
}
[self.btnAblum setTitle:GetLocalLanguageTextValue(ZLPhotoBrowserAblumText) forState:UIControlStateNormal];
[self.btnCancel setTitle:GetLocalLanguageTextValue(ZLPhotoBrowserCancelText) forState:UIControlStateNormal];
[self resetSubViewState];
}
//相册变化回调
- (void)photoLibraryDidChange:(PHChange *)changeInstance
{
dispatch_sync(dispatch_get_main_queue(), ^{
if (self.preview) {
[self loadPhotoFromAlbum];
[self show];
} else {
[self btnPhotoLibrary_Click:nil];
}
[[PHPhotoLibrary sharedPhotoLibrary] unregisterChangeObserver:self];
});
}
- (void)showPreviewAnimated:(BOOL)animate sender:(UIViewController *)sender
{
self.sender = sender;
[self showPreviewAnimated:animate];
}
- (void)showPreviewAnimated:(BOOL)animate
{
[self showPreview:YES animate:animate];
}
- (void)showPhotoLibraryWithSender:(UIViewController *)sender
{
self.sender = sender;
[self showPhotoLibrary];
}
- (void)showPhotoLibrary
{
[self showPreview:NO animate:NO];
}
- (void)showPreview:(BOOL)preview animate:(BOOL)animate
{
NSAssert(self.sender != nil, @"sender 对象不能为空");
if (!self.configuration.allowSelectImage && self.arrSelectedModels.count) {
[self.arrSelectedAssets removeAllObjects];
[self.arrSelectedModels removeAllObjects];
}
self.animate = animate;
self.preview = preview;
self.previousStatusBarStyle = [UIApplication sharedApplication].statusBarStyle;
self.previousStatusBarIsHidden = [UIApplication sharedApplication].isStatusBarHidden;
[ZLPhotoManager setSortAscending:self.configuration.sortAscending];
if (!self.configuration.maxPreviewCount) {
self.verColHeight.constant = .0;
} else if (self.configuration.allowDragSelect) {
UIPanGestureRecognizer *pan = [[UIPanGestureRecognizer alloc] initWithTarget:self action:@selector(panAction:)];
[self.baseView addGestureRecognizer:pan];
}
PHAuthorizationStatus status = [PHPhotoLibrary authorizationStatus];
if (status == PHAuthorizationStatusRestricted ||
status == PHAuthorizationStatusDenied) {
[self showNoAuthorityVC];
return;
} else if (status == PHAuthorizationStatusNotDetermined) {
[PHPhotoLibrary requestAuthorization:^(PHAuthorizationStatus status) {
}];
[self.sender.view addSubview:self];
}
if (preview) {
if (status == PHAuthorizationStatusAuthorized) {
[self loadPhotoFromAlbum];
[self show];
}
} else {
if (status == PHAuthorizationStatusAuthorized) {
[self.sender.view addSubview:self];
[self btnPhotoLibrary_Click:nil];
}
}
}
- (void)previewSelectedPhotos:(NSArray<UIImage *> *)photos assets:(NSArray<PHAsset *> *)assets index:(NSInteger)index isOriginal:(BOOL)isOriginal
{
self.isSelectOriginalPhoto = isOriginal;
//将assets转换为对应类型的model
NSMutableArray<ZLPhotoModel *> *models = [NSMutableArray arrayWithCapacity:assets.count];
for (PHAsset *asset in assets) {
ZLPhotoModel *model = [ZLPhotoModel modelWithAsset:asset type:[ZLPhotoManager transformAssetType:asset] duration:nil];
model.selected = YES;
[models addObject:model];
}
ZLShowBigImgViewController *svc = [self pushBigImageToPreview:photos models:models index:index];
zl_weakify(self);
__weak typeof(svc.navigationController) weakNav = svc.navigationController;
svc.previewSelectedImageBlock = ^(NSArray<UIImage *> *arrP, NSArray<PHAsset *> *arrA) {
zl_strongify(weakSelf);
strongSelf.arrSelectedAssets = assets.mutableCopy;
__strong typeof(weakNav) strongNav = weakNav;
if (strongSelf.selectImageBlock) {
strongSelf.selectImageBlock(arrP, arrA, NO);
}
[strongSelf hide];
[strongNav dismissViewControllerAnimated:YES completion:nil];
};
svc.cancelPreviewBlock = ^{
zl_strongify(weakSelf);
[strongSelf hide];
};
}
- (void)previewPhotos:(NSArray *)photos index:(NSInteger)index hideToolBar:(BOOL)hideToolBar complete:(nonnull void (^)(NSArray * _Nonnull))complete
{
NSArray *imageExtensions = @[@"jpg", @"jpeg", @"png", @"gif"];
//转换为对应类型的model对象
NSMutableArray<ZLPhotoModel *> *models = [NSMutableArray arrayWithCapacity:photos.count];
for (id obj in photos) {
ZLPhotoModel *model = [[ZLPhotoModel alloc] init];
if ([obj isKindOfClass:UIImage.class]) {
model.image = obj;
model.type = ZLAssetMediaTypeNetImage;
} else if ([obj isKindOfClass:NSURL.class]) {
model.url = obj;
if ([imageExtensions containsObject:((NSURL *)obj).absoluteString.pathExtension]) {
model.type = ZLAssetMediaTypeNetImage;
} else {
model.type = ZLAssetMediaTypeNetVideo;
}
} else if ([obj isKindOfClass:PHAsset.class]) {
model.asset = obj;
model.type = [ZLPhotoManager transformAssetType:obj];
}
model.selected = YES;
[models addObject:model];
}
ZLShowBigImgViewController *svc = [self pushBigImageToPreview:photos models:models index:index];
svc.hideToolBar = hideToolBar;
zl_weakify(self);
__weak typeof(svc.navigationController) weakNav = svc.navigationController;
[svc setPreviewNetImageBlock:^(NSArray *photos) {
zl_strongify(weakSelf);
__strong typeof(weakNav) strongNav = weakNav;
if (complete) complete(photos);
[strongSelf hide];
[strongNav dismissViewControllerAnimated:YES completion:nil];
}];
svc.cancelPreviewBlock = ^{
zl_strongify(weakSelf);
[strongSelf hide];
};
}
- (void)loadPhotoFromAlbum
{
[self.arrDataSources removeAllObjects];
[self.arrDataSources addObjectsFromArray:[ZLPhotoManager getAllAssetInPhotoAlbumWithAscending:NO limitCount:self.configuration.maxPreviewCount allowSelectVideo:self.configuration.allowSelectVideo allowSelectImage:self.configuration.allowSelectImage allowSelectGif:self.configuration.allowSelectGif allowSelectLivePhoto:self.configuration.allowSelectLivePhoto]];
[ZLPhotoManager markSelectModelInArr:self.arrDataSources selArr:self.arrSelectedModels];
[self.collectionView reloadData];
}
#pragma mark - 显示隐藏视图及相关动画
- (void)resetSubViewState
{
self.hidden = ![ZLPhotoManager havePhotoLibraryAuthority] || !self.preview;
[self changeCancelBtnTitle];
// [self.collectionView setContentOffset:CGPointZero];
}
- (void)show
{
self.frame = self.sender.view.bounds;
[self.collectionView setContentOffset:CGPointZero];
self.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
if (!self.superview) {
[self.sender.view addSubview:self];
}
if (self.sender.tabBarController.tabBar && self.sender.tabBarController.tabBar.hidden == NO) {
self.senderTabBarIsShow = YES;
self.sender.tabBarController.tabBar.hidden = YES;
}
UIEdgeInsets inset = UIEdgeInsetsZero;
if (@available(iOS 11, *)) {
double flag = .0;
if (self.senderTabBarIsShow) {
flag = 49;
}
inset = self.sender.view.safeAreaInsets;
inset.bottom -= flag;
[self.verBottomSpace setConstant:inset.bottom];
}
if (self.animate) {
__block CGRect frame = self.baseView.frame;
frame.origin.y = kViewHeight;
self.baseView.frame = frame;
[UIView animateWithDuration:0.2 animations:^{
frame.origin.y -= kBaseViewHeight;
self.baseView.frame = frame;
} completion:nil];
}
}
- (void)hide
{
if (self.animate) {
UIEdgeInsets inset = UIEdgeInsetsZero;
if (@available(iOS 11, *)) {
inset = self.sender.view.safeAreaInsets;
}
__block CGRect frame = self.baseView.frame;
frame.origin.y += (kBaseViewHeight+inset.bottom);
[UIView animateWithDuration:0.2 animations:^{
self.baseView.frame = frame;
} completion:^(BOOL finished) {
self.hidden = YES;
[UIApplication sharedApplication].statusBarHidden = self.previousStatusBarIsHidden;
[self removeFromSuperview];
}];
} else {
self.hidden = YES;
[UIApplication sharedApplication].statusBarHidden = self.previousStatusBarIsHidden;
[self removeFromSuperview];
}
if (self.senderTabBarIsShow) {
self.sender.tabBarController.tabBar.hidden = NO;
}
}
- (void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event
{
[self hide];
}
- (void)panAction:(UIPanGestureRecognizer *)pan
{
CGPoint point = [pan locationInView:self.baseView];
if (pan.state == UIGestureRecognizerStateBegan) {
if (!CGRectContainsPoint(self.collectionView.frame, point)) {
_panBeginPoint = CGPointZero;
return;
}
_panBeginPoint = [pan locationInView:self.collectionView];
} else if (pan.state == UIGestureRecognizerStateChanged) {
if (CGPointEqualToPoint(_panBeginPoint, CGPointZero)) return;
CGPoint cp = [pan locationInView:self.collectionView];
NSIndexPath *indexPath = [self.collectionView indexPathForItemAtPoint:_panBeginPoint];
if (!indexPath) return;
if (!_panView) {
if (cp.y > _panBeginPoint.y) {
_panBeginPoint = CGPointZero;
return;
}
_panModel = self.arrDataSources[indexPath.row];
ZLCollectionCell *cell = (ZLCollectionCell *)[self.collectionView cellForItemAtIndexPath:indexPath];
_panCell = cell;
_panView = [[UIImageView alloc] initWithFrame:cell.bounds];
_panView.image = cell.imageView.image;
cell.imageView.image = nil;
[self addSubview:_panView];
}
_panView.center = [self convertPoint:point fromView:self.baseView];
} else if (pan.state == UIGestureRecognizerStateCancelled ||
pan.state == UIGestureRecognizerStateEnded) {
if (!_panView) return;
CGRect panViewRect = [self.baseView convertRect:_panView.frame fromView:self];
BOOL callBack = NO;
if (CGRectGetMidY(panViewRect) < -10) {
//如果往上拖动距离中心点与collectionview间距大于10,则回调
[self requestSelPhotos:nil data:@[_panModel] hideAfterCallBack:NO];
callBack = YES;
}
_panModel = nil;
if (!callBack) {
CGRect toRect = [self convertRect:_panCell.frame fromView:self.collectionView];
[UIView animateWithDuration:0.25 animations:^{
_panView.frame = toRect;
} completion:^(BOOL finished) {
_panCell.imageView.image = _panView.image;
_panCell = nil;
[_panView removeFromSuperview];
_panView = nil;
}];
} else {
_panCell.imageView.image = _panView.image;
_panCell.imageView.frame = CGRectZero;
_panCell.imageView.center = _panCell.contentView.center;
[_panView removeFromSuperview];
_panView = nil;
[UIView animateWithDuration:0.25 animations:^{
_panCell.imageView.frame = _panCell.contentView.frame;
} completion:^(BOOL finished) {
_panCell = nil;
}];
}
}
}
#pragma mark - UIButton Action
- (IBAction)btnCamera_Click:(id)sender
{
if (![ZLPhotoManager haveCameraAuthority]) {
NSString *message = [NSString stringWithFormat:GetLocalLanguageTextValue(ZLPhotoBrowserNoCameraAuthorityText), kAPPName];
ShowAlert(message, self.sender);
[self hide];
return;
}
if (!self.configuration.allowSelectImage &&
!self.configuration.allowRecordVideo) {
ShowAlert(@"allowSelectImage与allowRecordVideo不能同时为NO", self.sender);
return;
}
if (self.configuration.useSystemCamera) {
//系统相机拍照
if ([UIImagePickerController isSourceTypeAvailable:
UIImagePickerControllerSourceTypeCamera]){
UIImagePickerController *picker = [[UIImagePickerController alloc] init];
picker.delegate = self;
picker.allowsEditing = NO;
picker.videoQuality = UIImagePickerControllerQualityTypeHigh;
picker.sourceType = UIImagePickerControllerSourceTypeCamera;
NSArray *a1 = self.configuration.allowSelectImage?@[(NSString *)kUTTypeImage]:@[];
NSArray *a2 = self.configuration.allowRecordVideo?@[(NSString *)kUTTypeMovie]:@[];
NSMutableArray *arr = [NSMutableArray array];
[arr addObjectsFromArray:a1];
[arr addObjectsFromArray:a2];
picker.mediaTypes = arr;
picker.videoMaximumDuration = self.configuration.maxRecordDuration;
[self.sender showDetailViewController:picker sender:nil];
}
} else {
if (![ZLPhotoManager haveMicrophoneAuthority]) {
NSString *message = [NSString stringWithFormat:GetLocalLanguageTextValue(ZLPhotoBrowserNoMicrophoneAuthorityText), kAPPName];
ShowAlert(message, self.sender);
[self hide];
return;
}
ZLCustomCamera *camera = [[ZLCustomCamera alloc] init];
camera.allowTakePhoto = self.configuration.allowSelectImage;
camera.allowRecordVideo = self.configuration.allowRecordVideo;
camera.sessionPreset = self.configuration.sessionPreset;
camera.videoType = self.configuration.exportVideoType;
camera.circleProgressColor = self.configuration.bottomBtnsNormalTitleColor;
camera.maxRecordDuration = self.configuration.maxRecordDuration;
zl_weakify(self);
camera.doneBlock = ^(UIImage *image, NSURL *videoUrl) {
zl_strongify(weakSelf);
[strongSelf saveImage:image videoUrl:videoUrl];
};
[self.sender showDetailViewController:camera sender:nil];
}
}
- (IBAction)btnPhotoLibrary_Click:(id)sender
{
if (![ZLPhotoManager havePhotoLibraryAuthority]) {
[self showNoAuthorityVC];
} else {
self.animate = NO;
[self pushThumbnailViewController];
}
}
- (IBAction)btnCancel_Click:(id)sender
{
if (self.arrSelectedModels.count) {
[self requestSelPhotos:nil data:self.arrSelectedModels hideAfterCallBack:YES];
return;
}
if (self.cancleBlock) self.cancleBlock();
[self hide];
}
- (void)changeCancelBtnTitle
{
if (self.arrSelectedModels.count > 0) {
[self.btnCancel setTitle:[NSString stringWithFormat:@"%@(%ld)", GetLocalLanguageTextValue(ZLPhotoBrowserDoneText), self.arrSelectedModels.count] forState:UIControlStateNormal];
[self.btnCancel setTitleColor:self.configuration.bottomBtnsNormalTitleColor forState:UIControlStateNormal];
} else {
[self.btnCancel setTitle:GetLocalLanguageTextValue(ZLPhotoBrowserCancelText) forState:UIControlStateNormal];
[self.btnCancel setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];
}
}
#pragma mark - 请求所选择图片、回调
- (void)requestSelPhotos:(UIViewController *)vc data:(NSArray<ZLPhotoModel *> *)data hideAfterCallBack:(BOOL)hide
{
ZLProgressHUD *hud = [[ZLProgressHUD alloc] init];
[hud show];
if (!self.configuration.shouldAnialysisAsset) {
NSMutableArray *assets = [NSMutableArray arrayWithCapacity:data.count];
for (ZLPhotoModel *m in data) {
[assets addObject:m.asset];
}
[hud hide];
if (self.selectImageBlock) {
self.selectImageBlock(nil, assets, self.isSelectOriginalPhoto);
[self.arrSelectedModels removeAllObjects];
}
if (hide) {
[self hide];
[vc dismissViewControllerAnimated:YES completion:nil];
}
return;
}
__block NSMutableArray *photos = [NSMutableArray arrayWithCapacity:data.count];
__block NSMutableArray *assets = [NSMutableArray arrayWithCapacity:data.count];
for (int i = 0; i < data.count; i++) {
[photos addObject:@""];
[assets addObject:@""];
}
zl_weakify(self);
for (int i = 0; i < data.count; i++) {
ZLPhotoModel *model = data[i];
[ZLPhotoManager requestSelectedImageForAsset:model isOriginal:self.isSelectOriginalPhoto allowSelectGif:self.configuration.allowSelectGif completion:^(UIImage *image, NSDictionary *info) {
if ([[info objectForKey:PHImageResultIsDegradedKey] boolValue]) return;
zl_strongify(weakSelf);
if (image) {
[photos replaceObjectAtIndex:i withObject:[ZLPhotoManager scaleImage:image original:strongSelf->_isSelectOriginalPhoto]];
[assets replaceObjectAtIndex:i withObject:model.asset];
}
for (id obj in photos) {
if ([obj isKindOfClass:[NSString class]]) return;
}
[hud hide];
if (strongSelf.selectImageBlock) {
strongSelf.selectImageBlock(photos, assets, strongSelf.isSelectOriginalPhoto);
[strongSelf.arrSelectedModels removeAllObjects];
}
if (hide) {
[strongSelf.arrDataSources removeAllObjects];
[strongSelf hide];
[vc dismissViewControllerAnimated:YES completion:nil];
}
}];
}
}
#pragma mark - UICollectionDataSource
- (NSInteger)numberOfSectionsInCollectionView:(UICollectionView *)collectionView
{
return 1;
}
- (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section
{
if (self.arrDataSources.count == 0) {
self.placeholderLabel.hidden = NO;
} else {
self.placeholderLabel.hidden = YES;
}
return self.arrDataSources.count;
}
- (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath
{
ZLCollectionCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:@"ZLCollectionCell" forIndexPath:indexPath];
ZLPhotoModel *model = self.arrDataSources[indexPath.row];
zl_weakify(self);
__weak typeof(cell) weakCell = cell;
cell.selectedBlock = ^(BOOL selected) {
zl_strongify(weakSelf);
__strong typeof(weakCell) strongCell = weakCell;
if (!selected) {
//选中
if (strongSelf.arrSelectedModels.count >= strongSelf.configuration.maxSelectCount) {
ShowToastLong(GetLocalLanguageTextValue(ZLPhotoBrowserMaxSelectCountText), strongSelf.configuration.maxSelectCount);
return;
}
if (strongSelf.arrSelectedModels.count > 0) {
ZLPhotoModel *sm = strongSelf.arrSelectedModels.firstObject;
if (!strongSelf.configuration.allowMixSelect &&
((model.type < ZLAssetMediaTypeVideo && sm.type == ZLAssetMediaTypeVideo) || (model.type == ZLAssetMediaTypeVideo && sm.type < ZLAssetMediaTypeVideo))) {
ShowToastLong(@"%@", GetLocalLanguageTextValue(ZLPhotoBrowserCannotSelectVideo));
return;
}
}
if (![ZLPhotoManager judgeAssetisInLocalAblum:model.asset]) {
ShowToastLong(@"%@", GetLocalLanguageTextValue(ZLPhotoBrowseriCloudPhotoText));
return;
}
if (model.type == ZLAssetMediaTypeVideo && GetDuration(model.duration) > strongSelf.configuration.maxVideoDuration) {
ShowToastLong(GetLocalLanguageTextValue(ZLPhotoBrowserMaxVideoDurationText), strongSelf.configuration.maxVideoDuration);
return;
}
if (![strongSelf shouldDirectEdit:model]) {
model.selected = YES;
[strongSelf.arrSelectedModels addObject:model];
strongCell.btnSelect.selected = YES;
}
} else {
strongCell.btnSelect.selected = NO;
model.selected = NO;
for (ZLPhotoModel *m in strongSelf.arrSelectedModels) {
if ([m.asset.localIdentifier isEqualToString:model.asset.localIdentifier]) {
[strongSelf.arrSelectedModels removeObject:m];
break;
}
}
}
if (strongSelf.configuration.showSelectedMask) {
strongCell.topView.hidden = !model.isSelected;
}
[strongSelf changeCancelBtnTitle];
};
cell.allSelectGif = self.configuration.allowSelectGif;
cell.allSelectLivePhoto = self.configuration.allowSelectLivePhoto;
cell.showSelectBtn = self.configuration.showSelectBtn;
cell.cornerRadio = self.configuration.cellCornerRadio;
cell.showMask = self.configuration.showSelectedMask;
cell.maskColor = self.configuration.selectedMaskColor;
cell.model = model;
return cell;
}
#pragma mark - UICollectionViewDelegate
- (CGSize)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout sizeForItemAtIndexPath:(NSIndexPath *)indexPath
{
ZLPhotoModel *model = self.arrDataSources[indexPath.row];
return [self getSizeWithAsset:model.asset];
}
- (void)collectionView:(UICollectionView *)collectionView didSelectItemAtIndexPath:(NSIndexPath *)indexPath
{
ZLPhotoModel *model = self.arrDataSources[indexPath.row];
if ([self shouldDirectEdit:model]) return;
if (self.arrSelectedModels.count > 0) {
ZLPhotoModel *sm = self.arrSelectedModels.firstObject;
if (!self.configuration.allowMixSelect &&
((model.type < ZLAssetMediaTypeVideo && sm.type == ZLAssetMediaTypeVideo) || (model.type == ZLAssetMediaTypeVideo && sm.type < ZLAssetMediaTypeVideo))) {
ShowToastLong(@"%@", GetLocalLanguageTextValue(ZLPhotoBrowserCannotSelectVideo));
return;
}
}
BOOL allowSelImage = !(model.type==ZLAssetMediaTypeVideo)?YES:self.configuration.allowMixSelect;
BOOL allowSelVideo = model.type==ZLAssetMediaTypeVideo?YES:self.configuration.allowMixSelect;
NSArray *arr = [ZLPhotoManager getAllAssetInPhotoAlbumWithAscending:self.configuration.sortAscending limitCount:NSIntegerMax allowSelectVideo:allowSelVideo allowSelectImage:allowSelImage allowSelectGif:self.configuration.allowSelectGif allowSelectLivePhoto:self.configuration.allowSelectLivePhoto];
NSMutableArray *selIdentifiers = [NSMutableArray array];
for (ZLPhotoModel *m in self.arrSelectedModels) {
[selIdentifiers addObject:m.asset.localIdentifier];
}
int i = 0;
BOOL isFind = NO;
for (ZLPhotoModel *m in arr) {
if ([m.asset.localIdentifier isEqualToString:model.asset.localIdentifier]) {
isFind = YES;
}
if ([selIdentifiers containsObject:m.asset.localIdentifier]) {
m.selected = YES;
}
if (!isFind) {
i++;
}
}
[self pushBigImageViewControllerWithModels:arr index:i];
}
- (BOOL)shouldDirectEdit:(ZLPhotoModel *)model
{
//当前点击图片可编辑
BOOL editImage = self.configuration.editAfterSelectThumbnailImage && self.configuration.allowEditImage && self.configuration.maxSelectCount == 1 && model.type < ZLAssetMediaTypeVideo;
//当前点击视频可编辑
BOOL editVideo = self.configuration.editAfterSelectThumbnailImage && self.configuration.allowEditVideo && model.type == ZLAssetMediaTypeVideo && self.configuration.maxSelectCount == 1 && round(model.asset.duration) >= self.configuration.maxEditVideoTime;
//当前未选择图片 或已经选择了一张并且点击的是已选择的图片
BOOL flag = self.arrSelectedModels.count == 0 || (self.arrSelectedModels.count == 1 && [self.arrSelectedModels.firstObject.asset.localIdentifier isEqualToString:model.asset.localIdentifier]);
if (editImage && flag) {
[self pushEditVCWithModel:model];
} else if (editVideo && flag) {
[self pushEditVideoVCWithModel:model];
}
return self.configuration.editAfterSelectThumbnailImage && self.configuration.maxSelectCount == 1 && (self.configuration.allowEditImage || self.configuration.allowEditVideo);
}
#pragma mark - 显示无权限视图
- (void)showNoAuthorityVC
{
//无相册访问权限
ZLNoAuthorityViewController *nvc = [[ZLNoAuthorityViewController alloc] init];
[self.sender showDetailViewController:[self getImageNavWithRootVC:nvc] sender:nil];
}
- (ZLImageNavigationController *)getImageNavWithRootVC:(UIViewController *)rootVC
{
ZLImageNavigationController *nav = [[ZLImageNavigationController alloc] initWithRootViewController:rootVC];
zl_weakify(self);
__weak typeof(ZLImageNavigationController *) weakNav = nav;
[nav setCallSelectImageBlock:^{
zl_strongify(weakSelf);
strongSelf.isSelectOriginalPhoto = weakNav.isSelectOriginalPhoto;
[strongSelf.arrSelectedModels removeAllObjects];
[strongSelf.arrSelectedModels addObjectsFromArray:weakNav.arrSelectedModels];
[strongSelf requestSelPhotos:weakNav data:strongSelf.arrSelectedModels hideAfterCallBack:YES];
}];
[nav setCallSelectClipImageBlock:^(UIImage *image, PHAsset *asset){
zl_strongify(weakSelf);
if (strongSelf.selectImageBlock) {
strongSelf.selectImageBlock(@[image], @[asset], NO);
}
[weakNav dismissViewControllerAnimated:YES completion:nil];
[strongSelf hide];
}];
[nav setCancelBlock:^{
zl_strongify(weakSelf);
if (strongSelf.cancleBlock) strongSelf.cancleBlock();
[strongSelf hide];
}];
nav.isSelectOriginalPhoto = self.isSelectOriginalPhoto;
nav.previousStatusBarStyle = self.previousStatusBarStyle;
nav.configuration = self.configuration;
[nav.arrSelectedModels removeAllObjects];
[nav.arrSelectedModels addObjectsFromArray:self.arrSelectedModels];
return nav;
}
//预览界面
- (void)pushThumbnailViewController
{
ZLPhotoBrowser *photoBrowser = [[ZLPhotoBrowser alloc] initWithStyle:UITableViewStylePlain];
ZLImageNavigationController *nav = [self getImageNavWithRootVC:photoBrowser];
ZLThumbnailViewController *tvc = [[ZLThumbnailViewController alloc] init];
[nav pushViewController:tvc animated:YES];
[self.sender showDetailViewController:nav sender:nil];
}
//查看大图界面
- (void)pushBigImageViewControllerWithModels:(NSArray<ZLPhotoModel *> *)models index:(NSInteger)index
{
ZLShowBigImgViewController *svc = [[ZLShowBigImgViewController alloc] init];
ZLImageNavigationController *nav = [self getImageNavWithRootVC:svc];
svc.models = models;
svc.selectIndex = index;
zl_weakify(self);
[svc setBtnBackBlock:^(NSArray<ZLPhotoModel *> *selectedModels, BOOL isOriginal) {
zl_strongify(weakSelf);
[ZLPhotoManager markSelectModelInArr:strongSelf.arrDataSources selArr:selectedModels];
strongSelf.isSelectOriginalPhoto = isOriginal;
[strongSelf.arrSelectedModels removeAllObjects];
[strongSelf.arrSelectedModels addObjectsFromArray:selectedModels];
[strongSelf.collectionView reloadData];
[strongSelf changeCancelBtnTitle];
}];
[self.sender showDetailViewController:nav sender:nil];
}
- (ZLShowBigImgViewController *)pushBigImageToPreview:(NSArray *)photos models:(NSArray<ZLPhotoModel *> *)models index:(NSInteger)index
{
ZLShowBigImgViewController *svc = [[ZLShowBigImgViewController alloc] init];
ZLImageNavigationController *nav = [self getImageNavWithRootVC:svc];
svc.selectIndex = index;
svc.arrSelPhotos = [NSMutableArray arrayWithArray:photos];
svc.models = models;
self.preview = NO;
[self.sender.view addSubview:self];
[self.sender showDetailViewController:nav sender:nil];
return svc;
}
- (void)pushEditVCWithModel:(ZLPhotoModel *)model
{
ZLEditViewController *vc = [[ZLEditViewController alloc] init];
ZLImageNavigationController *nav = [self getImageNavWithRootVC:vc];
[nav.arrSelectedModels addObject:model];
vc.model = model;
[self.sender showDetailViewController:nav sender:nil];
}
- (void)pushEditVideoVCWithModel:(ZLPhotoModel *)model
{
ZLEditVideoController *vc = [[ZLEditVideoController alloc] init];
ZLImageNavigationController *nav = [self getImageNavWithRootVC:vc];
[nav.arrSelectedModels addObject:model];
vc.model = model;
[self.sender showDetailViewController:nav sender:nil];
}
#pragma mark - UIImagePickerControllerDelegate
- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary<NSString *,id> *)info
{
[picker dismissViewControllerAnimated:YES completion:^{
UIImage *image = [info valueForKey:UIImagePickerControllerOriginalImage];
NSURL *url = [info valueForKey:UIImagePickerControllerMediaURL];
[self saveImage:image videoUrl:url];
}];
}
- (void)saveImage:(UIImage *)image videoUrl:(NSURL *)videoUrl
{
ZLProgressHUD *hud = [[ZLProgressHUD alloc] init];
[hud show];
zl_weakify(self);
if (image) {
[ZLPhotoManager saveImageToAblum:image completion:^(BOOL suc, PHAsset *asset) {
zl_strongify(weakSelf);
dispatch_async(dispatch_get_main_queue(), ^{
if (suc) {
ZLPhotoModel *model = [ZLPhotoModel modelWithAsset:asset type:ZLAssetMediaTypeImage duration:nil];
[strongSelf handleDataArray:model];
} else {
ShowToastLong(@"%@", GetLocalLanguageTextValue(ZLPhotoBrowserSaveImageErrorText));
}
[hud hide];
});
}];
} else if (videoUrl) {
[ZLPhotoManager saveVideoToAblum:videoUrl completion:^(BOOL suc, PHAsset *asset) {
zl_strongify(weakSelf);
dispatch_async(dispatch_get_main_queue(), ^{
if (suc) {
ZLPhotoModel *model = [ZLPhotoModel modelWithAsset:asset type:ZLAssetMediaTypeVideo duration:nil];
model.duration = [ZLPhotoManager getDuration:asset];
[strongSelf handleDataArray:model];
} else {
ShowToastLong(@"%@", GetLocalLanguageTextValue(ZLPhotoBrowserSaveVideoFailed));
}
[hud hide];
});
}];
}
}
- (void)handleDataArray:(ZLPhotoModel *)model
{
[self.arrDataSources insertObject:model atIndex:0];
if (self.arrDataSources.count > self.configuration.maxPreviewCount) {
[self.arrDataSources removeLastObject];
}
if (self.configuration.maxSelectCount > 1 && self.arrSelectedModels.count < self.configuration.maxSelectCount) {
model.selected = YES;
[self.arrSelectedModels addObject:model];
} else if (self.configuration.maxSelectCount == 1 && !self.arrSelectedModels.count) {
if (![self shouldDirectEdit:model]) {
model.selected = YES;
[self.arrSelectedModels addObject:model];
[self requestSelPhotos:nil data:self.arrSelectedModels hideAfterCallBack:YES];
return;
}
}
[self.collectionView reloadData];
[self changeCancelBtnTitle];
}
- (void)imagePickerControllerDidCancel:(UIImagePickerController *)picker
{
[picker dismissViewControllerAnimated:YES completion:nil];
}
#pragma mark - 获取图片及图片尺寸的相关方法
- (CGSize)getSizeWithAsset:(PHAsset *)asset
{
CGFloat width = (CGFloat)asset.pixelWidth;
CGFloat height = (CGFloat)asset.pixelHeight;
CGFloat scale = MIN(1.7, MAX(0.5, width/height));
return CGSizeMake(self.collectionView.frame.size.height*scale, self.collectionView.frame.size.height);
}
@end