新增网络图片长按保存功能

PhotoBrowser/ZLBigImageCell.h

@@ -22,6 +22,7 @@
 @property (nonatomic, strong) ZLPreviewView *previewView;
 @property (nonatomic, strong) ZLPhotoModel *model;
 @property (nonatomic, copy)   void (^singleTapCallBack)(void);
+@property (nonatomic, copy)   void (^longPressCallBack)(void);
 @property (nonatomic, assign) BOOL willDisplaying;
 
 
@@ -53,6 +54,7 @@
 @property (nonatomic, strong) ZLPreviewVideo *videoView;
 @property (nonatomic, strong) ZLPhotoModel *model;
 @property (nonatomic, copy)   void (^singleTapCallBack)(void);
+@property (nonatomic, copy)   void (^longPressCallBack)(void);
 
 /**
  界面每次即将显示时，重置scrollview缩放状态
@@ -103,6 +105,8 @@
 
 @property (nonatomic, strong) UIView *containerView;
 @property (nonatomic, strong) UIScrollView *scrollView;
+@property (nonatomic, strong) UILongPressGestureRecognizer *longPressGesture;
+@property (nonatomic, copy)   void (^longPressCallBack)(void);
 
 - (void)loadGifImage:(PHAsset *)asset;
 - (void)loadImage:(id)obj;

PhotoBrowser/ZLBigImageCell.m

@@ -45,6 +45,11 @@ - (instancetype)initWithFrame:(CGRect)frame
             strongify(weakSelf);
             if (strongSelf.singleTapCallBack) strongSelf.singleTapCallBack();
         };
+        self.previewView.longPressCallBack = ^{
+            strongify(weakSelf);
+            if (strongSelf.longPressCallBack) 
+                strongSelf.longPressCallBack();
+        };
     }
     return self;
 }
@@ -102,6 +107,7 @@ - (ZLPreviewImageAndGif *)imageGifView
     if (!_imageGifView) {
         _imageGifView = [[ZLPreviewImageAndGif alloc] initWithFrame:self.bounds];
         _imageGifView.singleTapCallBack = self.singleTapCallBack;
+        _imageGifView.longPressCallBack = self.longPressCallBack;
     }
     return _imageGifView;
 }
@@ -216,7 +222,8 @@ - (void)resetScale
 
 - (UIImage *)image
 {
-    if (self.model.type == ZLAssetMediaTypeImage) {
+    if (self.model.type == ZLAssetMediaTypeImage ||
+        self.model.type == ZLAssetMediaTypeNetImage) {
         return self.imageGifView.imageView.image;
     }
     return nil;
@@ -437,6 +444,11 @@ - (void)loadNormalImage:(PHAsset *)asset
  */
 - (void)loadImage:(id)obj
 {
+    if (!_longPressGesture) {
+        self.longPressGesture = [[UILongPressGestureRecognizer alloc] initWithTarget:self action:@selector(longPressAction:)];
+        self.longPressGesture.minimumPressDuration = .5;
+        [self addGestureRecognizer:self.longPressGesture];
+    }
     if ([obj isKindOfClass:UIImage.class]) {
         self.imageView.image = obj;
         [self resetSubviewSize:obj];
@@ -547,6 +559,15 @@ - (void)resetSubviewSize:(id)obj
 }
 
 #pragma mark - 手势点击事件
+- (void)longPressAction:(UILongPressGestureRecognizer *)ges
+{
+    if (ges.state == UIGestureRecognizerStateBegan) {
+        if (self.longPressCallBack) {
+            self.longPressCallBack();
+        }
+    }
+}
+
 - (void)doubleTapAction:(UITapGestureRecognizer *)tap
 {
     UIScrollView *scrollView = self.scrollView;

PhotoBrowser/ZLPhotoActionSheet.h

@@ -5,7 +5,7 @@
 //  Created by long on 15/11/25.
 //  Copyright © 2015年 long. All rights reserved.
 //
-//pods version 2.4.5 - 2017.9.28 update
+//pods version 2.4.6 - 2017.10.9 update
 
 #import <UIKit/UIKit.h>
 #import "ZLDefine.h"

PhotoBrowser/ZLShowBigImgViewController.m

@@ -429,6 +429,28 @@ - (void)navRightBtn_Click:(UIButton *)btn
     [self resetEditBtnState];
 }
 
+- (void)showDownloadAlert
+{
+    UIAlertController *alert = [UIAlertController alertControllerWithTitle:nil message:nil preferredStyle:UIAlertControllerStyleActionSheet];
+    UIAlertAction *save = [UIAlertAction actionWithTitle:GetLocalLanguageTextValue(ZLPhotoBrowserSaveText) style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
+        ZLProgressHUD *hud = [[ZLProgressHUD alloc] init];
+        [hud show];
+
+        ZLBigImageCell *cell = (ZLBigImageCell *)[_collectionView cellForItemAtIndexPath:[NSIndexPath indexPathForRow:_currentPage-1 inSection:0]];
+
+        [ZLPhotoManager saveImageToAblum:cell.previewView.image completion:^(BOOL suc, PHAsset *asset) {
+            [hud hide];
+            if (!suc) {
+                ShowToastLong(@"%@", GetLocalLanguageTextValue(ZLPhotoBrowserSaveImageErrorText));
+            }
+        }];
+    }];
+    UIAlertAction *cancel = [UIAlertAction actionWithTitle:GetLocalLanguageTextValue(ZLPhotoBrowserCancelText) style:UIAlertActionStyleCancel handler:nil];
+    [alert addAction:save];
+    [alert addAction:cancel];
+    [self showDetailViewController:alert sender:nil];
+}
+
 #pragma mark - 更新按钮、导航条等显示状态
 - (void)resetDontBtnState
 {
@@ -541,6 +563,10 @@ - (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cell
         strongify(weakSelf);
         [strongSelf handlerSingleTap];
     };
+    cell.longPressCallBack = ^{
+        strongify(weakSelf);
+        [strongSelf showDownloadAlert];
+    };
 
     return cell;
 }

PhotoBrowser/resource/ZLPhotoBrowser.bundle/en.lproj/Localizable.strings

@@ -37,4 +37,3 @@
 
 "ZLPhotoBrowserLoadNetImageFailed" = "loading failed";
 "ZLPhotoBrowserSaveVideoFailed" = "Failed to save the video";
-

README.md

@@ -31,18 +31,18 @@
 - [x] 相册内拍照按钮实时显示镜头捕捉画面
 - [x] 已选择图片遮罩层标记
 - [x] 预览已选择照片
-- [x] 预览网络及本地照片
+- [x] 预览网络及本地照片(支持长按保存至相册)
 - [x] 相册内图片自定义圆角弧度
 - [x] 自定义升序降序排列
 - [x] 多张拍照
 
 ### Feature
-- [ ] 支持预览网络图片时长按下载
 
 > 如果您在使用中有好的需求及建议，或者遇到什么bug，欢迎随时issue，我会及时的回复
  
 ### 更新日志
 ```
+● 2.4.6: 新增网络图片长按保存至相册功能
 ● 2.4.3: 适配iPhone X，优化初次启动进入相册速度，预览网络图片可设置是否显示底部工具条及导航右侧按钮;
 ● 2.4.2: 新增编辑视频功能;
 ● 2.4.1: 新增仿iPhone相册滑动多选功能;

ZLPhotoBrowser.podspec

@@ -1,7 +1,7 @@
 Pod::Spec.new do |s|
   s.name         = 'ZLPhotoBrowser'
-  s.version      = '2.4.5'
-  s.summary      = 'A simple way to multiselect photos,video,gif,livephoto from ablum,force touch to preview image,support portrait and landscape,multiple languages(Chinese,English,Japanese)'
+  s.version      = '2.4.6'
+  s.summary      = 'A simple way to multiselect photos from ablum, force touch to preview photo, support portrait and landscape, edit photo, multiple languages(Chinese,English,Japanese)'
   s.homepage     = 'https://github.com/longitachi/ZLPhotoBrowser'
   s.license      = 'MIT'
   s.platform     = :ios