提交更爱

梁星国
1 parent bd508a87
Showing 14 changed files with 717 additions and 267 deletions
CNLiveICloudPicker.podspec
CNLiveICloudPicker/CNICloudDocumentModel.h
CNLiveICloudPicker/CNICloudDocumentModel.m
CNLiveICloudPicker/CNICloudDocumentPickerController.h
CNLiveICloudPicker/CNICloudDocumentPickerController.m
CNLiveICloudPicker/CNICloudDocumentPickerManager.h
CNLiveICloudPicker/CNICloudDocumentPickerManager.m
CNLiveICloudPicker/CNICloudFileHelper.h
CNLiveICloudPicker/CNICloudFileHelper.m
CNLiveICloudPicker/CNICloudManager.h
CNLiveICloudPicker/CNICloudManager.m
CNLiveICloudPicker/CNICoudHeader.h
CNLiveICloudPicker/UIAlertController+Blocks.h
CNLiveICloudPicker/UIAlertController+Blocks.m
@@ -96,7 +96,7 @@ Pod::Spec.new do |s|
   #  Not including the public_header_files will make all headers public.
   #
-  s.source_files  = "CNLiveICloudPicker/*.{h,m}" # 文件位置
+  s.source_files  = "CNLiveICloudPicker/*" # 文件位置
   #s.exclude_files = "Classes/Exclude"
   # s.public_header_files = "Classes/**/*.h"
+//
+//  ICloudDocumentModel.h
+//  iCloud_测试
+//
+//  Created by 梁星国 on 2018/10/12.
+//  Copyright © 2018年 梁星国. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+
+//NS_ASSUME_NONNULL_BEGIN
+
+@interface CNICloudDocumentModel : NSObject
+
+/** 路径 */
+@property (strong, nonatomic) NSURL *fileURL;
+/** 文件的名称
+eg. “/tmp/scratch.tiff” -> “/tmp/scratch”
+eg. “/tmp/” -> “/tmp”
+eg. “scratch..tiff” -> “scratch.”
+ */
+@property (copy, nonatomic) NSString *fileName;
+/** 是否有路径 */
+@property (assign, nonatomic) Boolean fileIsExist;
+/** 文件的相关属性. Use: fileAttributes.fileSize() */
+@property (copy, nonatomic) NSDictionary *fileAttributes;
+
++ (CNICloudDocumentModel *)modelWithPath:(NSString *)path;
+
+@end
+
+//NS_ASSUME_NONNULL_END
+//
+//  ICloudDocumentModel.m
+//  iCloud_测试
+//
+//  Created by 梁星国 on 2018/10/12.
+//  Copyright © 2018年 梁星国. All rights reserved.
+//
+
+#import "CNICloudDocumentModel.h"
+#import "CNICloudFileHelper.h"
+
+@implementation NSString (iCloud)
+
++ (BOOL)isEmpty:(NSString *)string
+{
+    return string == nil || string.length == 0;
+}
+
+@end
+
+@implementation CNICloudDocumentModel
+
++ (CNICloudDocumentModel *)modelWithPath:(NSString *)path {
+    
+    CNICloudDocumentModel *iCloudDocumentModel = [[CNICloudDocumentModel alloc]init];
+    
+    if ([NSString isEmpty:path]) {
+        return iCloudDocumentModel;
+    }
+    
+    iCloudDocumentModel.fileURL = [[NSURL alloc]initFileURLWithPath:path];
+    
+    // 读取文件名
+    if (iCloudDocumentModel.fileURL) {
+        NSString *pathString = [[NSString alloc]initWithString:iCloudDocumentModel.fileURL.lastPathComponent];
+        iCloudDocumentModel.fileName = [pathString stringByDeletingPathExtension];
+    }
+    
+    NSFileManager *fileManager = [NSFileManager defaultManager];
+    iCloudDocumentModel.fileIsExist = [fileManager fileExistsAtPath:path];
+    // 获取文件相关属性
+    NSDictionary *fileAttributes = [CNICloudFileHelper fileAttrAtPath:path];
+    if (fileAttributes.count < 0) {
+        return iCloudDocumentModel;
+    }
+    iCloudDocumentModel.fileAttributes = fileAttributes;
+    
+    return iCloudDocumentModel;
+    
+}
+
+
+@end
+//
+//  CNICloudDocumentPickerViewController.h
+//  iCloud_测试
+//
+//  Created by 梁星国 on 2018/10/12.
+//  Copyright © 2018年 梁星国. All rights reserved.
+//
+
+#import <UIKit/UIKit.h>
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface CNICloudDocumentPickerController : UIDocumentPickerViewController
+
+/** 主题颜色 */
+@property (strong, nonatomic) UIColor *themeColor;
+
+
+
+
+@end
+
+NS_ASSUME_NONNULL_END
+//
+//  CNICloudDocumentPickerViewController.m
+//  iCloud_测试
+//
+//  Created by 梁星国 on 2018/10/12.
+//  Copyright © 2018年 梁星国. All rights reserved.
+//
+
+#import "CNICloudDocumentPickerController.h"
+
+@interface CNICloudDocumentPickerController ()
+
+@end
+
+@implementation CNICloudDocumentPickerController
+
+- (void)viewDidLoad {
+    [super viewDidLoad];
+    
+    self.modalPresentationStyle = UIModalPresentationFullScreen;
+    self.modalTransitionStyle = UIModalTransitionStyleCoverVertical;
+    
+}
+
+- (void)viewWillAppear:(BOOL)animated {
+    [super viewWillAppear:animated];
+}
+
+- (void)viewWillDisappear:(BOOL)animated {
+    [super viewWillDisappear:animated];
+}
+
+/** 设置主题颜色 */
+- (void)configuraThemeColor:(UIColor *)themeColor {
+    [UIImageView appearance].tintColor = themeColor;
+    [UITabBar appearance].tintColor = themeColor;
+    [UIView appearanceWhenContainedInInstancesOfClasses:UIAlertController.self];
+    [[UIBarButtonItem appearance] setTitleTextAttributes:@{NSForegroundColorAttributeName: themeColor} forState:UIControlStateNormal];
+    [UILabel appearance].tintColor = themeColor;
+    [UIButton appearance].tintColor = themeColor;
+    self.view.tintColor = themeColor;
+}
+
+
+@end
+//
+//  CNICloudDocumentPickerManager.h
+//  iCloud_测试
+//
+//  Created by 梁星国 on 2018/10/12.
+//  Copyright © 2018年 梁星国. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface CNICloudDocumentPickerManager : NSObject
+
+@end
+
+NS_ASSUME_NONNULL_END
+//
+//  CNICloudDocumentPickerManager.m
+//  iCloud_测试
+//
+//  Created by 梁星国 on 2018/10/12.
+//  Copyright © 2018年 梁星国. All rights reserved.
+//
+
+#import "CNICloudDocumentPickerManager.h"
+
+@implementation CNICloudDocumentPickerManager
+
+
+
+@end
+//
+//  CNICloudFileHelper.h
+//  iCloud_测试
+//
+//  Created by 梁星国 on 2018/10/12.
+//  Copyright © 2018年 梁星国. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface CNICloudFileHelper : NSObject
+
+/**
+ 创建文件目录,如果不存在目录会创建目录
+ 
+ @param path 文件目录
+ @return 是否创建成功
+ */
++ (Boolean)createDirectoryAtPath:(NSString *)path;
+
+/**
+ 获取单个文件大小
+ 
+ @param path 文件路径
+ @return 文件大小
+ */
++ (float)fileSizeAtPath:(NSString *)path;
+
+/**
+ 获取文件属性
+ 
+ @param path 文件路径
+ @return 文件属性
+ */
++ (NSDictionary *)fileAttrAtPath:(NSString *)path;
+
+
+/**
+ 获取子文件夹的总大小
+ 
+ @param path 文件夹路径
+ @return 文件夹大小
+ */
++ (float)forderSizeAtPath:(NSString *)path;
+
+/**
+ 是否是文件夹
+ 
+ @param path 目录路径
+ @return 是否
+ */
++ (BOOL)isDirectoryAtPath:(NSString *)path;
+
+
+
+@end
+
+NS_ASSUME_NONNULL_END
+//
+//  CNICloudFileHelper.m
+//  iCloud_测试
+//
+//  Created by 梁星国 on 2018/10/12.
+//  Copyright © 2018年 梁星国. All rights reserved.
+//
+
+#import "CNICloudFileHelper.h"
+
+@implementation CNICloudFileHelper
+
+
+
+/**
+ 创建文件目录,如果不存在目录会创建目录
+ 
+ @param path 文件目录
+ @return 是否创建成功
+ */
++ (Boolean)createDirectoryAtPath:(NSString *)path{
+    
+    NSFileManager *fileManager = [NSFileManager defaultManager];
+    Boolean result = [fileManager fileExistsAtPath:path];
+    if (result == NO) {
+        BOOL isCreate = [fileManager createDirectoryAtPath:path withIntermediateDirectories:YES attributes:nil error:nil];
+        return isCreate;
+        
+    }else {
+        return YES;
+    }
+    
+}
+
+/**
+ 获取单个文件大小
+ 
+ @param path 文件路径
+ @return 文件大小
+ */
++ (float)fileSizeAtPath:(NSString *)path {
+    NSFileManager *fileManager = [NSFileManager defaultManager];
+    BOOL isExists = [fileManager fileExistsAtPath:path];
+    if (!isExists) {
+        return  0.0;
+    }
+    
+    NSDictionary *attributesDic = [fileManager attributesOfItemAtPath:path error:nil];
+    if (attributesDic) {
+        return [attributesDic[NSFileSize] floatValue];
+    }else {
+        return 0.0;
+    }
+    
+}
+
+/**
+ 获取文件属性
+
+ @param path 文件路径
+ @return 文件属性
+ */
++ (NSDictionary *)fileAttrAtPath:(NSString *)path {
+    NSFileManager *fileManager = [NSFileManager defaultManager];
+    BOOL isExists = [fileManager fileExistsAtPath:path];
+    if (!isExists) {
+        return nil;
+    }
+    
+    NSDictionary *attributesDic = [fileManager attributesOfItemAtPath:path error:nil];
+    if (attributesDic > 0) {
+        return attributesDic;
+    }else {
+        return nil;
+    }
+    
+}
+
+
+/**
+ 获取子文件夹的总大小
+ 
+ @param path 文件夹路径
+ @return 文件夹大小
+ */
++ (float)forderSizeAtPath:(NSString *)path {
+    NSFileManager *fileManager = [NSFileManager defaultManager];
+    BOOL isExists = [fileManager fileExistsAtPath:path];
+    if (!isExists) {
+        return 0.0;
+    }
+    
+    NSArray *subpaths = [fileManager subpathsAtPath:path];
+    if (subpaths.count <= 0) {
+        return 0.0;
+    }else {
+        float fileSize  = 0;
+        
+        for (NSString *subPath in subpaths) {
+            NSString *fileAbsoluePath = [NSString stringWithFormat:@"%@/%@",path,subPath];
+            if ([CNICloudFileHelper isDirectoryAtPath:fileAbsoluePath]) {
+                 fileSize += [self fileSizeAtPath:fileAbsoluePath];
+            } else {
+                 fileSize += 0.0;
+            }
+        }
+        return fileSize;
+    }
+}
+
+
+/**
+ 是否是文件夹
+
+ @param path 目录路径
+ @return 是否
+ */
++ (BOOL)isDirectoryAtPath:(NSString *)path {
+    BOOL isDirectory = NO;
+    NSFileManager *fileManager = [NSFileManager defaultManager];
+    BOOL isExists = [fileManager fileExistsAtPath:path isDirectory:&isDirectory];
+    return isExists && isDirectory;
+}
+
+
+
+@end
+//
+//  CNICloudManager.h
+//  iCloud_测试
+//
+//  Created by 梁星国 on 2018/10/15.
+//  Copyright © 2018年 梁星国. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+#import <UIKit/UIKit.h>
+#import "CNICloudFileHelper.h"
+#import "CNICloudDocumentModel.h"
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface CNICloudManager : NSObject
+
+/**
+ 判断iCloud是否可用
+ 
+ @return 是否可用
+ */
++ (BOOL)iCloudEnable;
+
+/**
+ 通过CNICloudDocument 打开关闭文件
+ 
+ @param url url
+ @param callBack 文件数据,文件大小
+ */
++ (void)downloadWithDocumentURL:(NSURL *)url callBack:(void(^)(bool success ,NSData *data, float size)) callBack;
+
+/**
+ 保存文件到本地 /Documents/iCloudBox 下
+ 
+ @param url 文件路径
+ @param outputPath 导出路径
+ @param maxSize 保存的最大尺寸 为 nil 忽略
+ @param conversationId 群聊为群 ID， 单聊为好友ID （即 会话ID）
+ @param callBackContent 保存h的路径 url,是否保存成功,保存失败的描述
+ */
++ (void)saveWithDocumentURL:(NSURL *)url outputPath:(NSString *)outputPath maxSize:(float)maxSize conversationId:(NSString *)conversationId callBackContent:(void(^)(CNICloudDocumentModel *model, BOOL success, NSString * msg, NSInteger code))callBackContent;
+
+/**
+ 文件是否在指定filePath存在 否则是否在iCloudBox存在
+ 
+ @param fileName 文件名(fileUrl.lastPathComponent) eg. doc.text
+ @param filePath 指定路径
+ @return 文件路径
+ */
++ (NSURL *)documentIsExistsWithFileName:(NSString *)fileName filePath:(NSString *)filePath;
+
+/**
+ 清楚本地缓存
+ 
+ @param filePath filePath 为空 清除所有缓存
+ @return 是否成功
+ */
++ (BOOL)clearICloudBoxCacheWhithFilePath:(NSString *)filePath;
+
+/**
+ 异步获取iCloudBox 缓存大小
+ 
+ @param filePath 路径
+ @param callBack 返回大小
+ */
++ (void)asynciCloudBoxSizeWithFilePath:(NSString *)filePath CallBack:(void(^)(float size))callBack;
+
+@end
+
+NS_ASSUME_NONNULL_END
+
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface CNICloudDocument : UIDocument
+
+@property (nonatomic , strong) NSData *data;
+
+
+@end
+
+NS_ASSUME_NONNULL_END
+
+
+//
+//  CNICloudManager.m
+//  iCloud_测试
+//
+//  Created by 梁星国 on 2018/10/15.
+//  Copyright © 2018年 梁星国. All rights reserved.
+//
+
+#import "CNICloudManager.h"
+#import "CNICloudFileHelper.h"
+#import "CNICloudDocumentModel.h"
+
+
+/** 存放的默认路径 */
+#define kICloudBoxPath [NSString stringWithFormat:@"%@%@",NSHomeDirectory(),@"/Documents/iCloudBox/Doc/"]
+
+/** 存放下载路径 */
+#define kICloudBoxDownLoadPath [NSString stringWithFormat:@"%@%@",NSHomeDirectory(),@"/Documents/iCloudBox/Doc/Download/"]
+
+#define code100  100  //写入文件成功
+#define code101  101  //没有开启权限
+#define code102  102  //文件下载失败
+#define code103  103  //文件不能太大
+#define code104  104  //文件夹无文件
+#define code105  105  //文件写入失败
+#define code106  106  //无数据
+@implementation NSString (CNICloudManager)
+
++ (BOOL)isEmpty:(NSString *)string
+{
+    return string == nil || string.length == 0;
+}
+
+@end
+
+@implementation CNICloudManager
+
+/**
+ 判断iCloud是否可用
+
+ @return 是否可用
+ */
++ (BOOL)iCloudEnable {
+    NSFileManager *fileManager = [NSFileManager defaultManager];
+    NSURL *url = [fileManager URLForUbiquityContainerIdentifier:nil];
+    if (url) {
+        return true;
+    }else {
+        return false;
+    }
+    
+}
+
+
+/**
+ 通过CNICloudDocument 打开关闭文件
+
+ @param url url
+ @param callBack 文件数据,文件大小
+ */
++ (void)downloadWithDocumentURL:(NSURL *)url callBack:(void(^)(bool success ,NSData *data, float size)) callBack{
+    
+    CNICloudDocument *iCloudDoc = [[CNICloudDocument alloc]initWithFileURL:url];
+    [iCloudDoc openWithCompletionHandler:^(BOOL success) {
+        if (success) {
+            
+            __block float size = [CNICloudFileHelper fileSizeAtPath:url.path];
+            [iCloudDoc closeWithCompletionHandler:^(BOOL success) {
+                !callBack ?: callBack( success,iCloudDoc.data,size);
+            }];
+            
+        }else {
+            !callBack ?: callBack( success,nil,0.0);
+        }
+        
+    }];
+    
+}
+
+
+/**
+ 保存文件到本地 /Documents/iCloudBox 下
+
+ @param url 文件路径
+ @param maxSize 保存的最大尺寸 为 nil 忽略
+ @param conversationId 群聊为群 ID， 单聊为好友ID （即 会话ID）
+ @param callBackContent 保存h的路径 url,是否保存成功,保存失败的描述
+ */
+
++ (void)saveWithDocumentURL:(NSURL *)url outputPath:(NSString *)outputPath maxSize:(float)maxSize conversationId:(NSString *)conversationId callBackContent:(void(^)(CNICloudDocumentModel *model, BOOL success, NSString * msg, NSInteger code))callBackContent {
+    
+    if (![CNICloudManager iCloudEnable]) {
+        callBackContent(nil, false, @"请在设置->AppleID、iCloud->iCloud中打开访问权限",code101);
+        return;
+    }
+    
+    NSArray *array = [[url absoluteString] componentsSeparatedByString:@"/"];
+    NSString *fileName = [array lastObject];
+    fileName = [fileName stringByRemovingPercentEncoding];
+    
+    [CNICloudManager downloadWithDocumentURL:url callBack:^(bool success ,NSData *data, float size) {
+        
+        if (!success) {
+            callBackContent(nil,false,[NSString stringWithFormat:@"文件下载失败"],code102);
+            return;
+        }
+        
+        if (size > maxSize) {
+            callBackContent(nil,false,[NSString stringWithFormat:@"文件不能大于%f",maxSize],code103);
+            return;
+        }
+        
+        if ([NSString isEmpty:url.lastPathComponent]) {
+            callBackContent(nil,false,[NSString stringWithFormat:@"文件夹无文件"],code104);
+            return;
+        }
+        
+        if (data) {
+            
+            NSString *dataPath = [NSString string];
+            if ([NSString isEmpty:outputPath]) {
+                dataPath = kICloudBoxDownLoadPath;
+            }else {
+                dataPath = outputPath;
+            }
+            NSURL *writeUrl = [[NSURL alloc]initFileURLWithPath:dataPath];
+            [CNICloudFileHelper createDirectoryAtPath:dataPath];
+            
+            BOOL isWrite = [data writeToURL:writeUrl options:NSDataWritingAtomic error:nil];
+            
+            if (isWrite) {
+                callBackContent([CNICloudDocumentModel modelWithPath:writeUrl.path],YES,@"文件写入成功",code100);
+            }else {
+                callBackContent(nil, false,@"文件写入失败",code105);
+            }
+            
+        }else {
+            callBackContent(nil, false, @"无数据",code106);
+            return;
+        }
+        
+    }];
+}
+
+
+/**
+ 文件是否在指定filePath存在 否则是否在iCloudBox存在
+
+ @param fileName 文件名(fileUrl.lastPathComponent) eg. doc.text
+ @return 文件路径
+ */
++ (NSURL *)documentIsExistsWithFileName:(NSString *)fileName filePath:(NSString *)filePath{
+    
+    NSFileManager *fileManager = [NSFileManager defaultManager];
+    NSString *tempPath = [NSString string];
+    if ([NSString isEmpty:filePath]) {
+        tempPath = kICloudBoxDownLoadPath;
+    }else {
+        tempPath = filePath;
+    }
+    NSArray *childFilePaths = [fileManager subpathsAtPath:tempPath];
+    if (childFilePaths.count <= 0) {
+        return nil;
+    }
+    
+    for (NSString *path in childFilePaths) {
+        //读取文件名
+        NSString *checkPath = [NSString stringWithFormat:@"%@%@",tempPath,path];
+        NSURL *checkUrl = [[NSURL alloc]initFileURLWithPath:checkPath];
+        if ([fileName isEqualToString:checkUrl.lastPathComponent]) {
+            return checkUrl;
+        }
+    }
+    
+    return nil;
+    
+}
+
+
+/**
+ 清除本地缓存
+
+ @param filePath filePath 为空 清除所有缓存
+ @return 是否成功
+ */
++ (BOOL)clearICloudBoxCacheWhithFilePath:(NSString *)filePath {
+    NSFileManager *fileManager = [NSFileManager defaultManager];
+    if (!filePath) {
+        NSURL *defultUrl = [NSURL fileURLWithPath:kICloudBoxPath];
+        return [fileManager removeItemAtURL:defultUrl error:nil];
+    }
+    BOOL isRemove = [fileManager removeItemAtURL:[NSURL fileURLWithPath:filePath] error:nil];
+    return isRemove;
+}
+
+
+
+/**
+ 异步获取iCloudBox 缓存大小
+ 
+ @param filePath 路径
+ @param callBack 返回大小
+ */
++ (void)asynciCloudBoxSizeWithFilePath:(NSString *)filePath CallBack:(void(^)(float size))callBack {
+    
+    dispatch_queue_t global =  dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0);
+    dispatch_async(global, ^{
+        NSString *dataPath = [NSString string];
+        if ([NSString isEmpty:filePath]) {
+            dataPath = kICloudBoxPath;
+        }else {
+            dataPath = filePath;
+        }
+        float dataSize = [CNICloudFileHelper forderSizeAtPath:dataPath];
+        callBack(dataSize);
+    });
+    
+    
+}
+
+
+@end
+
+
+@implementation CNICloudDocument : UIDocument
+
+
+- (BOOL)loadFromContents:(id)contents ofType:(NSString *)typeName error:(NSError * _Nullable __autoreleasing *)outError {
+    
+    if ([contents isKindOfClass:[NSData class]]) {
+        NSData *userContent = (NSData *)contents;
+        self.data = userContent;
+    }
+    return YES;
+    
+}
+
+@end
+
+
+//
+//  CNICoudHeader.h
+//  CNLiveNetAdd
+//
+//  Created by daojian on 2018/10/16.
+//  Copyright © 2018年 cnlive. All rights reserved.
+//
+
+#ifndef CNICoudHeader_h
+#define CNICoudHeader_h
+
+#import "CNICloudManager.h"
+#import "CNICloudDocumentModel.h"
+#import "CNICloudDocumentPickerManager.h"
+#import "CNICloudDocumentPickerController.h"
+#import "CNICloudFileHelper.h"
+
+#endif /* CNICoudHeader_h */
+
-//
-//  UIAlertController+Blocks.h
-//  UIAlertControllerBlocks
-//
-//  Created by Ryan Maxwell on 11/09/14.
-//
-//  The MIT License (MIT)
-//
-//  Copyright (c) 2014 Ryan Maxwell
-//
-//  Permission is hereby granted, free of charge, to any person obtaining a copy of
-//  this software and associated documentation files (the "Software"), to deal in
-//  the Software without restriction, including without limitation the rights to
-//  use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
-//  the Software, and to permit persons to whom the Software is furnished to do so,
-//  subject to the following conditions:
-//
-//  The above copyright notice and this permission notice shall be included in all
-//  copies or substantial portions of the Software.
-//
-//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
-//  FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
-//  COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
-//  IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-//  CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-//
-
-#import <UIKit/UIKit.h>
-
-#if TARGET_OS_IOS
-typedef void (^UIAlertControllerPopoverPresentationControllerBlock) (UIPopoverPresentationController * __nonnull popover);
-#endif
-typedef void (^UIAlertControllerCompletionBlock) (UIAlertController * __nonnull controller, UIAlertAction * __nonnull action, NSInteger buttonIndex);
-
-@interface UIAlertController (Blocks)
-
-+ (nonnull instancetype)showInViewController:(nonnull UIViewController *)viewController
-                                   withTitle:(nullable NSString *)title
-                                     message:(nullable NSString *)message
-                              preferredStyle:(UIAlertControllerStyle)preferredStyle
-                           cancelButtonTitle:(nullable NSString *)cancelButtonTitle
-                      destructiveButtonTitle:(nullable NSString *)destructiveButtonTitle
-                           otherButtonTitles:(nullable NSArray *)otherButtonTitles
-#if TARGET_OS_IOS
-          popoverPresentationControllerBlock:(nullable UIAlertControllerPopoverPresentationControllerBlock)popoverPresentationControllerBlock
-#endif
-                                    tapBlock:(nullable UIAlertControllerCompletionBlock)tapBlock;
-
-+ (nonnull instancetype)showAlertInViewController:(nonnull UIViewController *)viewController
-                                        withTitle:(nullable NSString *)title
-                                          message:(nullable NSString *)message
-                                cancelButtonTitle:(nullable NSString *)cancelButtonTitle
-                           destructiveButtonTitle:(nullable NSString *)destructiveButtonTitle
-                                otherButtonTitles:(nullable NSArray *)otherButtonTitles
-                                         tapBlock:(nullable UIAlertControllerCompletionBlock)tapBlock;
-
-
-+ (nonnull instancetype)showActionSheetInViewController:(nonnull UIViewController *)viewController
-                                              withTitle:(nullable NSString *)title
-                                                message:(nullable NSString *)message
-                                      cancelButtonTitle:(nullable NSString *)cancelButtonTitle
-                                 destructiveButtonTitle:(nullable NSString *)destructiveButtonTitle
-                                      otherButtonTitles:(nullable NSArray *)otherButtonTitles
-#if TARGET_OS_IOS
-                     popoverPresentationControllerBlock:(nullable UIAlertControllerPopoverPresentationControllerBlock)popoverPresentationControllerBlock
-#endif
-                                               tapBlock:(nullable UIAlertControllerCompletionBlock)tapBlock;
-
-
-@property (readonly, nonatomic) BOOL visible;
-@property (readonly, nonatomic) NSInteger cancelButtonIndex;
-@property (readonly, nonatomic) NSInteger firstOtherButtonIndex;
-@property (readonly, nonatomic) NSInteger destructiveButtonIndex;
-
-@end
-//
-//  UIAlertController+Blocks.m
-//  UIAlertControllerBlocks
-//
-//  Created by Ryan Maxwell on 11/09/14.
-//
-//  The MIT License (MIT)
-//
-//  Copyright (c) 2014 Ryan Maxwell
-//
-//  Permission is hereby granted, free of charge, to any person obtaining a copy of
-//  this software and associated documentation files (the "Software"), to deal in
-//  the Software without restriction, including without limitation the rights to
-//  use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
-//  the Software, and to permit persons to whom the Software is furnished to do so,
-//  subject to the following conditions:
-//
-//  The above copyright notice and this permission notice shall be included in all
-//  copies or substantial portions of the Software.
-//
-//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
-//  FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
-//  COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
-//  IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-//  CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-//
-
-#import "UIAlertController+Blocks.h"
-
-static NSInteger const UIAlertControllerBlocksCancelButtonIndex = 0;
-static NSInteger const UIAlertControllerBlocksDestructiveButtonIndex = 1;
-static NSInteger const UIAlertControllerBlocksFirstOtherButtonIndex = 2;
-
-@interface UIViewController (UACB_Topmost)
-
-- (UIViewController *)uacb_topmost;
-
-@end
-
-@implementation UIAlertController (Blocks)
-
-+ (instancetype)showInViewController:(UIViewController *)viewController
-                           withTitle:(NSString *)title
-                             message:(NSString *)message
-                      preferredStyle:(UIAlertControllerStyle)preferredStyle
-                   cancelButtonTitle:(NSString *)cancelButtonTitle
-              destructiveButtonTitle:(NSString *)destructiveButtonTitle
-                   otherButtonTitles:(NSArray *)otherButtonTitles
-#if TARGET_OS_IOS
-  popoverPresentationControllerBlock:(void(^)(UIPopoverPresentationController *popover))popoverPresentationControllerBlock
-#endif
-                            tapBlock:(UIAlertControllerCompletionBlock)tapBlock
-{
-    UIAlertController *strongController = [self alertControllerWithTitle:title
-                                                                 message:message
-                                                          preferredStyle:preferredStyle];
-    
-    __weak UIAlertController *controller = strongController;
-    
-    if (cancelButtonTitle) {
-        UIAlertAction *cancelAction = [UIAlertAction actionWithTitle:cancelButtonTitle
-                                                               style:UIAlertActionStyleCancel
-                                                             handler:^(UIAlertAction *action){
-                                                                 if (tapBlock) {
-                                                                     tapBlock(controller, action, UIAlertControllerBlocksCancelButtonIndex);
-                                                                 }
-                                                             }];
-        [controller addAction:cancelAction];
-    }
-    
-    if (destructiveButtonTitle) {
-        UIAlertAction *destructiveAction = [UIAlertAction actionWithTitle:destructiveButtonTitle
-                                                                    style:UIAlertActionStyleDestructive
-                                                                  handler:^(UIAlertAction *action){
-                                                                      if (tapBlock) {
-                                                                          tapBlock(controller, action, UIAlertControllerBlocksDestructiveButtonIndex);
-                                                                      }
-                                                                  }];
-        [controller addAction:destructiveAction];
-    }
-    
-    for (NSUInteger i = 0; i < otherButtonTitles.count; i++) {
-        NSString *otherButtonTitle = otherButtonTitles[i];
-        
-        UIAlertAction *otherAction = [UIAlertAction actionWithTitle:otherButtonTitle
-                                                              style:UIAlertActionStyleDefault
-                                                            handler:^(UIAlertAction *action){
-                                                                if (tapBlock) {
-                                                                    tapBlock(controller, action, UIAlertControllerBlocksFirstOtherButtonIndex + i);
-                                                                }
-                                                            }];
-        [controller addAction:otherAction];
-    }
-    
-#if TARGET_OS_IOS
-    if (popoverPresentationControllerBlock) {
-        popoverPresentationControllerBlock(controller.popoverPresentationController);
-    }
-#endif
-    
-    [viewController.uacb_topmost presentViewController:controller animated:YES completion:nil];
-    
-    return controller;
-}
-
-+ (instancetype)showAlertInViewController:(UIViewController *)viewController
-                                withTitle:(NSString *)title
-                                  message:(NSString *)message
-                        cancelButtonTitle:(NSString *)cancelButtonTitle
-                   destructiveButtonTitle:(NSString *)destructiveButtonTitle
-                        otherButtonTitles:(NSArray *)otherButtonTitles
-                                 tapBlock:(UIAlertControllerCompletionBlock)tapBlock
-{
-    return [self showInViewController:viewController
-                            withTitle:title
-                              message:message
-                       preferredStyle:UIAlertControllerStyleAlert
-                    cancelButtonTitle:cancelButtonTitle
-               destructiveButtonTitle:destructiveButtonTitle
-                    otherButtonTitles:otherButtonTitles
-#if TARGET_OS_IOS
-            popoverPresentationControllerBlock:nil
-#endif
-                             tapBlock:tapBlock];
-}
-
-+ (instancetype)showActionSheetInViewController:(UIViewController *)viewController
-                                      withTitle:(NSString *)title
-                                        message:(NSString *)message
-                              cancelButtonTitle:(NSString *)cancelButtonTitle
-                         destructiveButtonTitle:(NSString *)destructiveButtonTitle
-                              otherButtonTitles:(NSArray *)otherButtonTitles
-#if TARGET_OS_IOS
-             popoverPresentationControllerBlock:(void(^)(UIPopoverPresentationController *popover))popoverPresentationControllerBlock
-#endif
-                                       tapBlock:(UIAlertControllerCompletionBlock)tapBlock
-{
-    return [self showInViewController:viewController
-                            withTitle:title
-                              message:message
-                       preferredStyle:UIAlertControllerStyleActionSheet
-                    cancelButtonTitle:cancelButtonTitle
-               destructiveButtonTitle:destructiveButtonTitle
-                    otherButtonTitles:otherButtonTitles
-#if TARGET_OS_IOS
-            popoverPresentationControllerBlock:popoverPresentationControllerBlock
-#endif
-                             tapBlock:tapBlock];
-}
-
-#pragma mark -
-
-- (BOOL)visible
-{
-    return self.view.superview != nil;
-}
-
-- (NSInteger)cancelButtonIndex
-{
-    return UIAlertControllerBlocksCancelButtonIndex;
-}
-
-- (NSInteger)firstOtherButtonIndex
-{
-    return UIAlertControllerBlocksFirstOtherButtonIndex;
-}
-
-- (NSInteger)destructiveButtonIndex
-{
-    return UIAlertControllerBlocksDestructiveButtonIndex;
-}
-
-@end
-
-@implementation UIViewController (UACB_Topmost)
-
-- (UIViewController *)uacb_topmost
-{
-    UIViewController *topmost = self;
-    
-    UIViewController *above;
-    while ((above = topmost.presentedViewController)) {
-        topmost = above;
-    }
-    
-    return topmost;
-}
-
-@end