86 lines
2.6 KiB
Objective-C
86 lines
2.6 KiB
Objective-C
//
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// MLFileTransferFileViewController.m
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// Monal
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//
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// Created by Jim Tsai(poormusic2001@gmail.com) on 2020/12/28.
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// Copyright © 2020 Monal.im. All rights reserved.
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//
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#import "MLFileTransferFileViewController.h"
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#import "MBProgressHUD.h"
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#import <WebKit/WebKit.h>
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@interface MLFilePreviewItem : NSObject <QLPreviewItem>
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@property(nullable, nonatomic) NSURL *previewItemURL;
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@property(nullable, nonatomic) NSString *previewItemTitle;
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@end
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@implementation MLFilePreviewItem
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- (instancetype)initWithPreviewURL:(NSURL *)fileURL andTitle:(NSString *)title {
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self = [super init];
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if (self) {
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_previewItemURL = [fileURL copy];
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_previewItemTitle = [title copy];
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}
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return self;
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}
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@end
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@interface MLFileTransferFileViewController ()
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@property (nonatomic, strong) MBProgressHUD *loadingHUD;
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@property (nonatomic, strong) NSURL *fileUrl;
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@property (nonatomic, strong) NSString *fileLink;
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@property (nonatomic, strong) NSURL *fileToUrl;
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@property (nonatomic, strong) NSFileManager *fileManager;
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@end
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@implementation MLFileTransferFileViewController
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- (void)viewDidLoad {
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[super viewDidLoad];
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self.loadingHUD = [MBProgressHUD showHUDAddedTo:self.view animated:YES];
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self.loadingHUD.label.text = NSLocalizedString(@"Loading Data", @"");
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self.loadingHUD.mode = MBProgressHUDModeIndeterminate;
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self.loadingHUD.removeFromSuperViewOnHide = YES;
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self.fileManager = [NSFileManager defaultManager];
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self.dataSource = self;
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self.delegate = self;
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self.fileUrl = [NSURL fileURLWithPath:self.fileUrlStr];
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}
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- (NSInteger)numberOfPreviewItemsInPreviewController:(nonnull QLPreviewController *)controller {
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return 1;
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}
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- (nonnull id<QLPreviewItem>)previewController:(nonnull QLPreviewController *)controller previewItemAtIndex:(NSInteger)index {
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[self.loadingHUD setHidden:YES];
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NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
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NSString *documentsDirectory = [paths objectAtIndex:0];
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NSString *filePosition = [documentsDirectory stringByAppendingString:[NSString stringWithFormat:@"/%@",self.fileName]];
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NSError *fileError = nil;
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self.fileToUrl = [NSURL fileURLWithPath:filePosition];
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[self.fileManager copyItemAtURL:self.fileUrl toURL:self.fileToUrl error:&fileError];
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return [[MLFilePreviewItem alloc] initWithPreviewURL:self.fileToUrl andTitle:filePosition.lastPathComponent];
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}
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- (void)viewWillDisappear:(BOOL)animated
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{
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[super viewWillDisappear:NO];
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NSError *fileError = nil;
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[self.fileManager removeItemAtURL:self.fileToUrl error:&fileError];
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}
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@end
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