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Pods/CocoaDebug/Sources/Sandbox/_ImageController.m

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+//
+//  _ImageController.m
+//  Example_Objc
+//
+//  Created by man 7/25/19.
+//  Copyright © 2020 man. All rights reserved.
+//
+
+#import "_ImageController.h"
+#import "_Sandboxer.h"
+
+@interface _ImageController () <UIDocumentInteractionControllerDelegate>
+
+@property (nonatomic, strong) UIImageView *imageView;
+@property (nonatomic, strong) UIImage *image;
+@property (nonatomic, strong) _FileInfo *fileInfo;
+@property (nonatomic, strong) UIDocumentInteractionController *documentInteractionController;
+@property (nonatomic, assign) BOOL flag;
+
+@end
+
+@implementation _ImageController
+
+#pragma mark - Getters
+- (UIDocumentInteractionController *)documentInteractionController {
+    if (!_documentInteractionController) {
+        _documentInteractionController = [UIDocumentInteractionController interactionControllerWithURL:self.fileInfo.URL];
+        _documentInteractionController.delegate = self;
+        _documentInteractionController.name = self.fileInfo.displayName;
+    }
+    
+    return _documentInteractionController;
+}
+
+#pragma mark - init
+- (instancetype)initWithImage:(UIImage *)image fileInfo:(_FileInfo *)fileInfo {
+    if (self = [super init]) {
+        self.image = image;
+        self.fileInfo = fileInfo;
+    }
+    return self;
+}
+
+- (void)viewDidLoad {
+    [super viewDidLoad];
+    
+    if ([_Sandboxer shared].isShareable) {
+        UIBarButtonItem *shareItem = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemAction target:self action:@selector(sharingAction)];
+        self.navigationItem.rightBarButtonItem = shareItem;
+    }
+    
+    self.view.backgroundColor = [UIColor whiteColor];
+    self.title = self.fileInfo.displayName;
+    
+    self.imageView = [[UIImageView alloc] initWithFrame:CGRectMake(0, 0, self.image.size.width, self.image.size.height)];
+    self.imageView.center = CGPointMake(self.view.center.x, self.view.center.y - self.navigationController.navigationBar.frame.size.height - [[UIApplication sharedApplication] statusBarFrame].size.height);
+    self.imageView.contentMode = UIViewContentModeScaleAspectFit;
+    self.imageView.image = self.image;
+    [self.view addSubview:self.imageView];
+}
+
+#pragma mark - touchesBegan
+- (void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event {
+    self.flag = !self.flag;
+    
+    if (self.flag)
+    {
+        [self.navigationController setNavigationBarHidden:YES animated:YES];
+        [UIView animateWithDuration:UINavigationControllerHideShowBarDuration animations:^{
+            self.imageView.center = CGPointMake(self.view.center.x, self.view.center.y);
+            self.view.backgroundColor = [UIColor blackColor];
+        }];
+    }
+    else
+    {
+        [self.navigationController setNavigationBarHidden:NO animated:YES];
+        
+        if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad)
+        {
+            [UIView animateWithDuration:UINavigationControllerHideShowBarDuration animations:^{
+                self.imageView.center = CGPointMake(self.view.center.x, self.view.center.y - 111);
+                self.view.backgroundColor = [UIColor whiteColor];
+            }];
+        }
+        else
+        {
+            BOOL iPhoneX = NO;
+            if (@available(iOS 11.0, *)) {
+                UIWindow *mainWindow = [[UIApplication sharedApplication] keyWindow];
+                if (mainWindow.safeAreaInsets.top > 24.0) {
+                    iPhoneX = YES;
+                }
+            }
+            
+            [UIView animateWithDuration:UINavigationControllerHideShowBarDuration animations:^{
+                self.imageView.center = CGPointMake(self.view.center.x, self.view.center.y - (iPhoneX ? 132 : 96));
+                self.view.backgroundColor = [UIColor whiteColor];
+            }];
+        }
+    }
+}
+
+#pragma mark - UIDocumentInteractionControllerDelegate
+- (UIViewController *)documentInteractionControllerViewControllerForPreview:(UIDocumentInteractionController *)controller {
+    return self.navigationController;
+}
+
+- (CGRect)documentInteractionControllerRectForPreview:(UIDocumentInteractionController *)controller {
+    return self.view.bounds;
+}
+
+- (UIView *)documentInteractionControllerViewForPreview:(UIDocumentInteractionController *)controller {
+    return self.view;
+}
+
+#pragma mark - target action
+- (void)sharingAction {
+    if (![_Sandboxer shared].isShareable) { return; }
+    if ([UIDevice currentDevice].userInterfaceIdiom == UIUserInterfaceIdiomPad) {
+        [self.documentInteractionController presentOptionsMenuFromBarButtonItem:self.navigationItem.rightBarButtonItem animated:YES];
+    } else {
+        [self.documentInteractionController presentOptionsMenuFromRect:CGRectZero inView:self.view animated:YES];
+    }
+}
+
+@end