PhotoActionSheetView.m
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//
// PhotoActionSheetView.m
// IM_ios_client
//
// Created by 赵世强 on 16/5/31.
// Copyright © 2016年 xiniu. All rights reserved.
//
#import "PhotoActionSheetView.h"
#import <Photos/Photos.h>
#import "SelectPhotoModel.h"
#import "SelectCollectionCell.h"
#import "ZLPhotoBrowser.h"
#import "ZLShowBigImgViewController.h"
#import "ZLAnimationTool.h"
#import "ZLDefine.h"
#import "ZLPhotoTool.h"
#import "ToastUtils.h"
//#import "ZZPhotoKit.h"
//#import "ZZPhotoDatas.h"
#import "Masonry.h"
typedef void (^handler)(NSArray<UIImage *> *selectPhotos);
@interface PhotoActionSheetView () <UICollectionViewDelegateFlowLayout, UIImagePickerControllerDelegate, UINavigationControllerDelegate, PHPhotoLibraryChangeObserver,UITableViewDelegate,UITableViewDataSource,UICollectionViewDelegate,UICollectionViewDataSource>
{
NSArray *arr_click;
CGPoint fromPoint;
UITableView *table;
BOOL isSure;
}
@property (nonatomic, assign) BOOL animate;
@property (nonatomic, strong) NSMutableArray<PHAsset *> *arrayDataSources;
@property (nonatomic, strong) NSMutableArray *arraySelectPhotos;
@property (nonatomic, copy) handler handler;
//@property(strong,nonatomic) ZZPhotoDatas *datas;
@end
@implementation PhotoActionSheetView
- (instancetype)init
{
self = [super init];
if (self) {
self.baseView = [[UIView alloc]init];
UICollectionViewFlowLayout *layout = [[UICollectionViewFlowLayout alloc] init];
layout.scrollDirection = UICollectionViewScrollDirectionHorizontal;
layout.minimumInteritemSpacing = 3;
layout.sectionInset = UIEdgeInsetsMake(0, 5, 0, 5);
self.collectionView = [[UICollectionView alloc]initWithFrame:CGRectMake(0, 0, [[UIScreen mainScreen] bounds].size.width, 155) collectionViewLayout:layout];
self.collectionView.backgroundColor = [UIColor whiteColor];
self.collectionView.delegate = self;
self.collectionView.dataSource = self;
self.collectionView.showsVerticalScrollIndicator = NO;
[self.collectionView registerClass:[SelectCollectionCell class] forCellWithReuseIdentifier:@"SelectCollectionCell"];
table = [[UITableView alloc]initWithFrame:CGRectZero style:UITableViewStylePlain];
table.delegate = self;
table.dataSource = self;
// tableView.scrollEnabled = NO;
table.tableHeaderView = self.collectionView;
[self addSubview:table];
[table mas_makeConstraints:^(MASConstraintMaker *make) {
make.bottom.equalTo(self.mas_bottom);
make.width.equalTo(self.mas_width);
make.left.equalTo(self.mas_left);
make.height.equalTo(@(574));
}];
// _maxSelectCount = 10;
_maxPreviewCount = 20;
isSure = NO;
_arrayDataSources = [NSMutableArray array];
_arraySelectPhotos = [NSMutableArray array];
arr_click = @[@"拍照",@"相册",@"取消"];
//注册实施监听相册变化
[[PHPhotoLibrary sharedPhotoLibrary] registerChangeObserver:self];
}
return self;
}
- (void)showWithSender:(UIViewController *)sender animate:(BOOL)animate completion:(void (^)(NSArray<UIImage *> *))completion
{
if (![self judgeIsHavePhotoAblumAuthority]) {
}
_handler = completion;
_animate = animate;
_sender = sender;
[self loadPhotoFromAlbum];
[self show];
}
//相册变化回调
- (void)photoLibraryDidChange:(PHChange *)changeInstance
{
dispatch_sync(dispatch_get_main_queue(), ^{
[self loadPhotoFromAlbum];
});
}
- (void)loadPhotoFromAlbum
{
[_arrayDataSources removeAllObjects];
// 获取所有资源的集合,并按资源的创建时间排序
PHFetchOptions *options = [[PHFetchOptions alloc] init];
options.sortDescriptors = @[[NSSortDescriptor sortDescriptorWithKey:@"creationDate" ascending:YES]];
PHFetchResult *assetsFetchResults = [PHAsset fetchAssetsWithOptions:options];
[assetsFetchResults enumerateObjectsUsingBlock:^(PHAssetCollection * _Nonnull collection, NSUInteger idx, BOOL *stop) {
if (idx <self.maxSelectCount) {
[_arrayDataSources addObject:(PHAsset *)collection];
}
}];
[self.collectionView reloadData];
}
#pragma mark - 判断软件是否有相册、相机访问权限
- (BOOL)judgeIsHavePhotoAblumAuthority
{
PHAuthorizationStatus status = [PHPhotoLibrary authorizationStatus];
if (status == PHAuthorizationStatusRestricted ||
status == PHAuthorizationStatusDenied) {
return NO;
}
return YES;
}
- (BOOL)judgeIsHaveCameraAuthority
{
AVAuthorizationStatus status = [AVCaptureDevice authorizationStatusForMediaType:AVMediaTypeVideo];
if (status == AVAuthorizationStatusRestricted ||
status == AVAuthorizationStatusDenied) {
return NO;
}
return YES;
}
- (void)show
{
[self.sender.view addSubview:self];
[self mas_makeConstraints:^(MASConstraintMaker *make) {
make.edges.equalTo(self.sender.view);
// self.frame = CGRectMake(0, 0, ScreenWidth, ScreenHeight - 64);
}];
[self resetSubViewState];
if (_animate) {
fromPoint = CGPointMake(kViewWidth/2, kViewHeight+kBaseViewHeight/2);
CGPoint toPoint = CGPointMake(kViewWidth/2, kViewHeight-kBaseViewHeight/2);
CABasicAnimation *animation = [ZLAnimationTool animateWithFromValue:[NSValue valueWithCGPoint:fromPoint] toValue:[NSValue valueWithCGPoint:toPoint] duration:0.2 keyPath:@"position"];
[self.baseView.layer addAnimation:animation forKey:nil];
}
}
#pragma mark - 显示隐藏视图及相关动画
- (void)resetSubViewState
{
self.hidden = NO;
[self.arraySelectPhotos removeAllObjects];
[self.collectionView setContentOffset:CGPointZero];
}
#pragma maek - UITableViewDelegate
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
{
return 1;
}
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
return 3;
}
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
static NSString *identifier = @"myCell";
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:identifier];
if (cell == nil) {
cell = [[UITableViewCell alloc]initWithStyle:UITableViewCellStyleDefault reuseIdentifier:identifier];
}
if (!isSure) {
cell.textLabel.text = arr_click[indexPath.row];
}else
{
if (indexPath.row == 0) {
cell.textLabel.text = [NSString stringWithFormat:@"确定(%ld)", (unsigned long)_arraySelectPhotos.count];
}else
{
cell.textLabel.text = arr_click[indexPath.row];
}
}
cell.textLabel.textAlignment = NSTextAlignmentCenter;
return cell;
}
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
[tableView deselectRowAtIndexPath:indexPath animated:NO];
if (indexPath.row == 0) {
if (!isSure) {
if (_arraySelectPhotos.count > 0) {
[self done];
[self hide];
} else {
if (![self judgeIsHaveCameraAuthority]) {
[self showAlertWithTitle:@"无法使用相机" message:@"请在iPhone的\"设置-隐私-相机\"中允许访问相机"];
[self hide];
return;
}
//拍照
if ([UIImagePickerController isSourceTypeAvailable:
UIImagePickerControllerSourceTypeCamera])
{
UIImagePickerController *picker = [[UIImagePickerController alloc] init];
picker.delegate = self;
picker.allowsEditing = NO;
picker.videoQuality = UIImagePickerControllerQualityTypeLow;
picker.sourceType = UIImagePickerControllerSourceTypeCamera;
[self.sender presentViewController:picker animated:YES completion:^{
}];
picker = nil;
}
}
}else
{
// TODO:发送请求
[self done];
[self hide];
}
}else if (indexPath.row == 1) {
if (![self judgeIsHavePhotoAblumAuthority]) {
//无相册访问权限
} else {
ZZPhotoController *photoController = [[ZZPhotoController alloc]init];
photoController.photoPickerController.selectArray = _arraySelectPhotos;
photoController.selectPhotoOfMax = self.maxSelectCount;
__weak typeof(PhotoActionSheetView *) weakSelf = self;
[photoController showIn:self.sender.navigationController result:^(id responseObject){
NSArray *array = (NSArray *)responseObject;
NSLog(@"%@",responseObject);
[weakSelf.arraySelectPhotos removeAllObjects];
[weakSelf.arraySelectPhotos addObjectsFromArray:array];
[weakSelf done];
[weakSelf hide];
}];
// self.baseView.hidden = YES;
// _animate = NO;
//
// ZLPhotoBrowser *photoBrowser = [[ZLPhotoBrowser alloc] initWithStyle:UITableViewStylePlain];
//
// photoBrowser.maxSelectCount = self.maxSelectCount;
// photoBrowser.arraySelectPhotos = _arraySelectPhotos.mutableCopy;
//
//
// [photoBrowser setDoneBlock:^(NSArray<SelectPhotoModel *> *selectPhotos) {
// [weakSelf.arraySelectPhotos removeAllObjects];
// [weakSelf.arraySelectPhotos addObjectsFromArray:selectPhotos];
// [weakSelf done];
// [weakSelf hide];
// }];
// [photoBrowser setCancelBlock:^{
// [weakSelf hide];
// }];
//
// [self.sender.navigationController.view.layer addAnimation:[ZLAnimationTool animateWithType:kCATransitionMoveIn subType:kCATransitionFromTop duration:0.25] forKey:nil];
// self.sender.hidesBottomBarWhenPushed = YES;
// [self.sender.navigationController pushViewController:photoBrowser animated:NO];
}
}else if (indexPath.row == 2) {
[_arraySelectPhotos removeAllObjects];
[self hide];
}
}
- (void)showAlertWithTitle:(NSString *)title message:(NSString *)message
{
UIAlertController *alert = [UIAlertController alertControllerWithTitle:title message:message preferredStyle:UIAlertControllerStyleAlert];
UIAlertAction *action = [UIAlertAction actionWithTitle:@"确定" style:UIAlertActionStyleDefault handler:nil];
[alert addAction:action];
[self.sender presentViewController:alert animated:YES completion:nil];
}
#pragma mark - UICollectionDataSource
- (NSInteger)numberOfSectionsInCollectionView:(UICollectionView *)collectionView
{
return 1;
}
- (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section
{
return self.maxPreviewCount>_arrayDataSources.count?_arrayDataSources.count:self.maxPreviewCount;
}
- (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath
{
SelectCollectionCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:@"SelectCollectionCell" forIndexPath:indexPath];
cell.btnSelect.selected = NO;
[cell.btnSelect setBackgroundImage:[UIImage imageNamed:@"btn_unselected"] forState:UIControlStateNormal];
PHAsset *asset = _arrayDataSources[indexPath.row];
[self getImageWithAsset:asset completion:^(UIImage *image) {
cell.imageView.image = image;
for (ZZPhoto *photo in _arraySelectPhotos) {
if ([photo.asset isEqual:asset]) {
cell.btnSelect.selected = YES;
[cell.btnSelect setBackgroundImage:[UIImage imageNamed:@"btn_selected"] forState:UIControlStateNormal];
break;
}
}
}];
cell.btnSelect.tag = indexPath.row;
[cell.btnSelect addTarget:self action:@selector(cell_btn_Click:) forControlEvents:UIControlEventTouchUpInside];
return cell;
}
- (void)cell_btn_Click:(UIButton *)btn
{
if (_arraySelectPhotos.count >= self.maxSelectCount
&& btn.selected == NO) {
ShowToastLong(@"最多只能选择%ld张图片", (long)self.maxSelectCount);
return;
}
btn.selected = !btn.selected;
PHAsset *asset = _arrayDataSources[btn.tag];
SelectCollectionCell *cell = (SelectCollectionCell *)[self.collectionView cellForItemAtIndexPath:[NSIndexPath indexPathForRow:btn.tag inSection:0]];
if (btn.selected) {
[btn setBackgroundImage:[UIImage imageNamed:@"btn_selected"] forState:UIControlStateNormal];
[btn.layer addAnimation:[ZLAnimationTool animateWithBtnStatusChanged] forKey:nil];
ZZPhoto *photo = [[ZZPhoto alloc]init];
photo.asset = asset;
// SelectPhotoModel *model = [[SelectPhotoModel alloc] init];
// model.asset = asset;
// model.image = cell.imageView.image;
// model.imageName = [asset valueForKey:@"filename"];
[_arraySelectPhotos addObject:photo];
} else {
[btn setBackgroundImage:[UIImage imageNamed:@"btn_unselected"] forState:UIControlStateNormal];
for (ZZPhoto *photo in _arraySelectPhotos) {
if ([photo.asset isEqual:asset]) {
[_arraySelectPhotos removeObject:photo];
break;
}
}
}
[self changeBtnCameraTitle];
}
#pragma MARK - 改变title文字
- (void)changeBtnCameraTitle
{
if (_arraySelectPhotos.count >0) {
isSure = YES;
}else
{
isSure = NO;
}
[table reloadRowsAtIndexPaths:@[[NSIndexPath indexPathForRow:0 inSection:0]] withRowAnimation:UITableViewRowAnimationNone];
}
#pragma mark - UICollectionViewDelegate
- (CGSize)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout sizeForItemAtIndexPath:(NSIndexPath *)indexPath
{
PHAsset *asset = _arrayDataSources[indexPath.row];
return [self getSizeWithAsset:asset];
}
- (void)hide
{
if (_animate) {
// CGPoint fromPoint = self.baseView.layer.position;
CGPoint toPoint = CGPointMake(fromPoint.x, fromPoint.y+300);
CABasicAnimation *animation = [ZLAnimationTool animateWithFromValue:[NSValue valueWithCGPoint:fromPoint] toValue:[NSValue valueWithCGPoint:toPoint] duration:0.1 keyPath:@"position"];
animation.delegate = self;
[self.layer addAnimation:animation forKey:nil];
} else {
self.hidden = YES;
[self removeFromSuperview];
}
}
- (void)done
{
if (self.handler) {
NSMutableArray *selPhoto = [NSMutableArray array];
for (ZZPhoto *photo in _arraySelectPhotos) {
if (photo.asset == nil) {
continue;
}
[self.datas GetImageObject:photo.asset complections:^(UIImage *photo, BOOL isDegraded) {
if (isDegraded) {
return;
}
if (selPhoto){
[selPhoto addObject:photo];
}
if (selPhoto.count < _arraySelectPhotos.count){
return;
}
self.handler(selPhoto);
}];
// [self.datas GetImageObjects:photo.asset complections:^(UIImage *photo ,BOOL isDegradedResult) {
// if (isDegradedResult) {
// return;
// }
// if (selPhoto){
// [selPhoto addObject:photo];
// }
// if (selPhoto.count < _arraySelectPhotos.count){
// return;
// }
// self.handler(selPhoto);
//
//
// }]
// [selPhoto addObject:photo];
}
}
}
#pragma mark --- 懒加载
-(ZZPhotoDatas *)datas{
if (!_datas) {
_datas = [[ZZPhotoDatas alloc]init];
}
return _datas;
}
- (void)animationDidStop:(CAAnimation *)anim finished:(BOOL)flag
{
self.hidden = YES;
[self removeFromSuperview];
}
- (void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event
{
[self hide];
}
- (void)collectionView:(UICollectionView *)collectionView didSelectItemAtIndexPath:(NSIndexPath *)indexPath
{
ZLShowBigImgViewController *svc = [[ZLShowBigImgViewController alloc] init];
svc.assets = _arrayDataSources;
svc.arraySelectPhotos = [NSMutableArray arrayWithArray:_arraySelectPhotos];
svc.selectIndex = indexPath.row;
svc.maxSelectCount = _maxSelectCount;
svc.showPopAnimate = YES;
svc.shouldReverseAssets = YES;
__weak typeof(self) weakSelf = self;
[svc setOnSelectedPhotos:^(NSArray *selectedPhotos) {
[weakSelf.arraySelectPhotos removeAllObjects];
[weakSelf.arraySelectPhotos addObjectsFromArray:selectedPhotos];
[weakSelf changeBtnCameraTitle];
[weakSelf.collectionView reloadData];
}];
[self.sender.navigationController.view.layer addAnimation:[ZLAnimationTool animateWithType:kCATransitionMoveIn subType:kCATransitionFromTop duration:0.3] forKey:nil];
self.sender.hidesBottomBarWhenPushed = YES;
[self.sender.navigationController pushViewController:svc animated:NO];
}
#pragma mark - UIImagePickerControllerDelegate
- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary<NSString *,id> *)info
{
__weak typeof(PhotoActionSheetView *) weakSelf = self;
[picker dismissViewControllerAnimated:YES completion:^{
if (weakSelf.handler) {
UIImage *image = [info objectForKey:UIImagePickerControllerOriginalImage];
weakSelf.handler(@[image]);
UIImageWriteToSavedPhotosAlbum(image, self, @selector(image:didFinishSavingWithError:contextinfo:), nil);
}
[weakSelf hide];
}];
}
//写入相册后回调方法
- (void)image:(NSString *)video didFinishSavingWithError:(NSError *)error contextinfo:(void *)contextInfo
{
//do something
}
- (void)imagePickerControllerDidCancel:(UIImagePickerController *)picker
{
__weak typeof(PhotoActionSheetView *) weakSelf = self;
[picker dismissViewControllerAnimated:YES completion:^{
[weakSelf hide];
}];
}
#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 = width/height;
return CGSizeMake(self.collectionView.frame.size.height*scale, self.collectionView.frame.size.height);
}
- (void)getImageWithAsset:(PHAsset *)asset completion:(void (^)(UIImage *image))completion
{
CGSize size = [self getSizeWithAsset:asset];
size.width *= 2;
size.height *= 2;
[[ZLPhotoTool sharePhotoTool] requestImageForAsset:asset size:size resizeMode:PHImageRequestOptionsResizeModeFast completion:completion];
}
/*
// Only override drawRect: if you perform custom drawing.
// An empty implementation adversely affects performance during animation.
- (void)drawRect:(CGRect)rect {
// Drawing code
}
*/
@end