// // RNReactNativeDocViewer.m // RNReactNativeDocViewer // // Created by Philipp Hecht on 10/03/17. // Copyright (c) 2017 Philipp Hecht. All rights reserved. // #import "RNReactNativeDocViewer.h" #import #import #import #import #import "QLCustomPreviewItem.h" @implementation RNReactNativeDocViewer CGFloat prog; @synthesize bridge = _bridge; RCT_EXPORT_MODULE() - (NSArray *)supportedEvents { return @[@"RNDownloaderProgress", @"DoneButtonEvent", @"CancelEvent", @"OKEvent"]; } - (dispatch_queue_t)methodQueue { return dispatch_get_main_queue(); } RCT_EXPORT_METHOD(testModule:(NSString *)name location:(NSString *)location) { RCTLogInfo(@"TEST Module %@ at %@", name, location); } RCT_EXPORT_METHOD(statusProgress:(NSArray *)array callback:(RCTResponseSenderBlock)callback) { callback(@[[NSNull null], @(prog)]); } /** * openDoc * open Base64 String * Parameters: NSArray */ RCT_EXPORT_METHOD(openDoc:(NSArray *)array callback:(RCTResponseSenderBlock)callback) { __weak RNReactNativeDocViewer* weakSelf = self; //Download Progress NSDictionary* dict_download = [array objectAtIndex:0]; NSString* urlStrdownload = dict_download[@"url"]; [self hitServerForUrl:urlStrdownload]; dispatch_queue_t asyncQueue = dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0); dispatch_async(asyncQueue, ^{ NSDictionary* dict = [array objectAtIndex:0]; NSString* urlStr = dict[@"url"]; NSString* fileNameOptional = dict[@"fileNameOptional"]; NSURL* url = [NSURL URLWithString:[urlStr stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding]]; NSData* dat = [NSData dataWithContentsOfURL:url]; RCTLogInfo(@"Url %@", url); RCTLogInfo(@"FileNameOptional %@", fileNameOptional); NSArray *parts = [urlStr componentsSeparatedByString:@"/"]; NSString *fileNameExported = [parts lastObject]; //Custom Filename NSString *fileName = @""; if([fileNameOptional length] > 0){ NSString* fileExt = [fileNameExported pathExtension]; fileName = [NSString stringWithFormat:@"%@%c%@", fileNameOptional , '.', fileExt]; }else{ //get File Name example a.pdf from Url http://xyz/a.pdf fileName = [NSString stringWithFormat:@"%@", fileNameExported]; } //From the www if ([urlStr containsString:@"http"] || [urlStr containsString:@"https"]) { if (dat == nil) { if (callback) { callback(@[[NSNull null], @"Doc Url not found"]); } return; } NSString* path = [NSTemporaryDirectory() stringByAppendingPathComponent: fileName]; NSURL* tmpFileUrl = [[NSURL alloc] initFileURLWithPath:path]; [dat writeToURL:tmpFileUrl atomically:YES]; weakSelf.fileUrl = tmpFileUrl; } else { NSURL* tmpFileUrl = [[NSURL alloc] initFileURLWithPath:urlStr]; weakSelf.fileUrl = tmpFileUrl; weakSelf.optionalFileName = fileNameOptional; } dispatch_async(dispatch_get_main_queue(), ^{ QLPreviewController* cntr = [[QLPreviewController alloc] init]; cntr.delegate = weakSelf; cntr.dataSource = weakSelf; if (callback) { callback(@[[NSNull null], array]); } UIViewController* root = [[[UIApplication sharedApplication] keyWindow] rootViewController]; while (root.presentedViewController) { root = [root presentedViewController]; } [root presentViewController:cntr animated:YES completion:^{ }]; }); }); } /** * BinaryinUrl * open Url with a Binary String * Parameters: NSArray */ RCT_EXPORT_METHOD(openDocBinaryinUrl:(NSArray *)array callback:(RCTResponseSenderBlock)callback) { __weak RNReactNativeDocViewer* weakSelf = self; NSDictionary* dict_download = [array objectAtIndex:0]; NSString* urlStrdownload = dict_download[@"url"]; [self hitServerForUrl:urlStrdownload]; dispatch_queue_t asyncQueue = dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0); dispatch_async(asyncQueue, ^{ NSDictionary* dict = [array objectAtIndex:0]; NSString* url = dict[@"url"]; NSString* filename = dict[@"fileName"]; NSString* filetype = dict[@"fileType"]; //NSArray* splitUrl = [url componentsSeparatedByString: @"/"]; //NSString* binaryString = [splitUrl lastObject]; //Parse the Binary from URL //NSData* byteArrayString = [binaryString dataUsingEncoding:NSUTF8StringEncoding]; //NSLog(@"%@", byteArrayString); NSURL* urlbinary = [NSURL URLWithString:[url stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding]]; NSData* dat = [NSData dataWithContentsOfURL:urlbinary]; if (dat == nil) { if (callback) { callback(@[[NSNull null], @"DATA nil"]); } return; } NSString* fileName = [NSString stringWithFormat:@"%@%@%@", filename, @".", filetype]; NSString* fileExt = [fileName pathExtension]; if([fileExt length] == 0){ fileName = [NSString stringWithFormat:@"%@%@", fileName, @".pdf"]; } NSString* path = [NSTemporaryDirectory() stringByAppendingPathComponent: fileName]; NSURL* tmpFileUrl = [[NSURL alloc] initFileURLWithPath:path]; [dat writeToURL:tmpFileUrl atomically:YES]; weakSelf.fileUrl = tmpFileUrl; dispatch_async(dispatch_get_main_queue(), ^{ QLPreviewController* cntr = [[QLPreviewController alloc] init]; cntr.delegate = weakSelf; cntr.dataSource = weakSelf; if (callback) { callback(@[[NSNull null], @"Data"]); } UIViewController* root = [[[UIApplication sharedApplication] keyWindow] rootViewController]; while (root.presentedViewController) { root = [root presentedViewController]; } [root presentViewController:cntr animated:YES completion:nil]; }); }); } /** * openDocb64 * open Base64 String * Parameters: NSArray */ RCT_EXPORT_METHOD(openDocb64:(NSArray *)array callback:(RCTResponseSenderBlock)callback) { __weak RNReactNativeDocViewer* weakSelf = self; dispatch_queue_t asyncQueue = dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0); dispatch_async(asyncQueue, ^{ NSDictionary* dict = [array objectAtIndex:0]; NSString* base64String = dict[@"base64"]; NSString* filename = dict[@"fileName"]; NSString* filetype = dict[@"fileType"]; NSURL *url = [NSURL URLWithString:[NSString stringWithFormat:@"data:application/octet-stream;base64,%@",base64String]]; NSData* dat = [NSData dataWithContentsOfURL:url]; if (dat == nil) { if (callback) { callback(@[[NSNull null], @"DATA nil"]); } return; } NSString* fileName = [NSString stringWithFormat:@"%@%@%@", filename, @".", filetype]; NSString* fileExt = [fileName pathExtension]; if([fileExt length] == 0){ fileName = [NSString stringWithFormat:@"%@%@", fileName, @".pdf"]; } NSString* path = [NSTemporaryDirectory() stringByAppendingPathComponent: fileName]; NSURL* tmpFileUrl = [[NSURL alloc] initFileURLWithPath:path]; [dat writeToURL:tmpFileUrl atomically:YES]; weakSelf.fileUrl = tmpFileUrl; dispatch_async(dispatch_get_main_queue(), ^{ QLPreviewController* cntr = [[QLPreviewController alloc] init]; cntr.delegate = weakSelf; cntr.dataSource = weakSelf; if (callback) { callback(@[[NSNull null], @"Data"]); } UIViewController* root = [[[UIApplication sharedApplication] keyWindow] rootViewController]; while (root.presentedViewController) { root = [root presentedViewController]; } [root presentViewController:cntr animated:YES completion:nil]; }); }); } //Movie Files mp4 RCT_EXPORT_METHOD(playMovie:(NSString *)file callback:(RCTResponseSenderBlock)callback) { //NSDictionary* dict = [array objectAtIndex:0]; NSString *_uri = file; NSURL *fileURL = nil; if ([_uri containsString:@"http"] || [_uri containsString:@"https"]) { fileURL = [NSURL URLWithString:_uri]; }else{ NSString* mediaFilePath = [[NSBundle mainBundle] pathForResource:_uri ofType:nil]; NSAssert(mediaFilePath, @"Media not found: %@", _uri); fileURL = [NSURL fileURLWithPath:mediaFilePath]; } dispatch_async(dispatch_get_main_queue(), ^{ AVPlayerViewController *movieViewController = [[AVPlayerViewController alloc] init]; movieViewController.player = [AVPlayer playerWithURL:fileURL]; [movieViewController.player play]; movieViewController = movieViewController; UIViewController *ctrl = [[[[UIApplication sharedApplication] delegate] window] rootViewController]; UIView *view = [ctrl view]; view.window.windowLevel = UIWindowLevelStatusBar; if (callback) { callback(@[[NSNull null], @"true"]); } [ctrl presentViewController:movieViewController animated:TRUE completion: nil]; }); } //Dismiss QuickViewController - (void)previewControllerDidDismiss:(QLPreviewController *)controller { [self DoneButtonClicked]; } - (NSInteger) numberOfPreviewItemsInPreviewController: (QLPreviewController *) controller { return 1; } - (id ) previewController: (QLPreviewController *) controller previewItemAtIndex: (NSInteger) index { if(self.optionalFileName) { QLCustomPreviewItem *previewItem = [[QLCustomPreviewItem alloc] initWithURL:self.fileUrl optionalFileName:self.optionalFileName]; return previewItem; } return self; } #pragma mark - QLPreviewItem protocol - (NSURL*)previewItemURL { return self.fileUrl; } //Download Task example - (void)hitServerForUrl:(NSString*)urlString { NSURL *requestUrl = [NSURL URLWithString:urlString]; NSURLSessionConfiguration *defaultConfigurationObject = [NSURLSessionConfiguration defaultSessionConfiguration]; NSURLSession *defaultSession = [NSURLSession sessionWithConfiguration:defaultConfigurationObject delegate:self delegateQueue: nil]; NSURLSessionDownloadTask *fileDownloadTask = [defaultSession downloadTaskWithURL:requestUrl]; [fileDownloadTask resume]; } - (void)DoneButtonClicked { [self sendEventWithName:@"DoneButtonEvent" body:@{ @"close": @true}]; } - (void)URLSession:(NSURLSession *)session task:(NSURLSessionTask *)task didCompleteWithError:(NSError *)error { if (error != nil) { NSData *resumeData = error.userInfo[NSURLSessionDownloadTaskResumeData]; self.downloadResumeData = resumeData; } } - (void)URLSession:(NSURLSession *)session downloadTask:(NSURLSessionDownloadTask *)downloadTask didWriteData:(int64_t)bytesWritten totalBytesWritten:(int64_t)totalBytesWritten totalBytesExpectedToWrite:(int64_t)totalBytesExpectedToWrite { dispatch_sync(dispatch_get_main_queue(), ^{ //float progressValue = totalBytesWritten/totalBytesExpectedToWrite; prog = (float)totalBytesWritten/totalBytesExpectedToWrite; //NSLog(@"downloaded %d%%", (int)(100.0*prog)); NSNumber *progress = @([@(totalBytesWritten) floatValue]/[@(totalBytesExpectedToWrite) floatValue] * 100.0); [self sendEventWithName:@"RNDownloaderProgress" body:@{ @"totalBytesWritten": @(totalBytesWritten), @"totalBytesExpectedToWrite": @(totalBytesExpectedToWrite), @"progress": progress }]; }); } RCT_EXPORT_METHOD(showAlert:(NSString *)msg) { // We'll show UIAlerView to know listener successful. UIAlertView *alert = [[UIAlertView alloc]initWithTitle:nil message:msg delegate:self cancelButtonTitle:@"Cancel" otherButtonTitles:@"OK", nil]; dispatch_async(dispatch_get_main_queue(), ^{ [alert show]; }); } #pragma mark - UIAlertView delegate - (void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex { if (buttonIndex == 0) { // Sent event tap on Cancel [self sendEventWithName:@"CancelEvent" body:@"Tap on Cancel"]; } else if (buttonIndex == 1) { // Sent event tap on Ok [self sendEventWithName:@"OKEvent" body:@"Tap on OK"]; } } /*- (void)URLSession:(NSURLSession *)session downloadTask:(NSURLSessionDownloadTask *)downloadTask didFinishDownloadingToURL:(NSURL *)location { NSString *documentsPath = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) firstObject]; NSURL *documentsDirectoryURL = [NSURL fileURLWithPath:documentsPath]; NSURL *documentURL = [documentsDirectoryURL URLByAppendingPathComponent:[downloadTask.response suggestedFilename]]; NSError *error; NSString *filePath = [documentsPath stringByAppendingPathComponent:[downloadTask.response suggestedFilename]]; NSLog(@"file path : %@", filePath); if ([[NSFileManager defaultManager] fileExistsAtPath:filePath]) { //Remove the old file from directory } [[NSFileManager defaultManager] moveItemAtURL:location toURL:documentURL error:&error]; if (error){ //Handle error here } }*/ @end