diff options
Diffstat (limited to 'plugins/cordova-plugin-file/src/ios/CDVAssetLibraryFilesystem.m')
| -rw-r--r-- | plugins/cordova-plugin-file/src/ios/CDVAssetLibraryFilesystem.m | 253 |
1 files changed, 0 insertions, 253 deletions
diff --git a/plugins/cordova-plugin-file/src/ios/CDVAssetLibraryFilesystem.m b/plugins/cordova-plugin-file/src/ios/CDVAssetLibraryFilesystem.m deleted file mode 100644 index 0b95fac3..00000000 --- a/plugins/cordova-plugin-file/src/ios/CDVAssetLibraryFilesystem.m +++ /dev/null @@ -1,253 +0,0 @@ -/* - Licensed to the Apache Software Foundation (ASF) under one - or more contributor license agreements. See the NOTICE file - distributed with this work for additional information - regarding copyright ownership. The ASF licenses this file - to you under the Apache License, Version 2.0 (the - "License"); you may not use this file except in compliance - with the License. You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - - Unless required by applicable law or agreed to in writing, - software distributed under the License is distributed on an - "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY - KIND, either express or implied. See the License for the - specific language governing permissions and limitations - under the License. - */ - -#import "CDVFile.h" -#import "CDVAssetLibraryFilesystem.h" -#import <Cordova/CDV.h> -#import <AssetsLibrary/ALAsset.h> -#import <AssetsLibrary/ALAssetRepresentation.h> -#import <AssetsLibrary/ALAssetsLibrary.h> -#import <MobileCoreServices/MobileCoreServices.h> - -NSString* const kCDVAssetsLibraryPrefix = @"assets-library://"; -NSString* const kCDVAssetsLibraryScheme = @"assets-library"; - -@implementation CDVAssetLibraryFilesystem -@synthesize name=_name, urlTransformer; - - -/* - The CDVAssetLibraryFilesystem works with resources which are identified - by iOS as - asset-library://<path> - and represents them internally as URLs of the form - cdvfile://localhost/assets-library/<path> - */ - -- (NSURL *)assetLibraryURLForLocalURL:(CDVFilesystemURL *)url -{ - if ([url.url.scheme isEqualToString:kCDVFilesystemURLPrefix]) { - NSString *path = [[url.url absoluteString] substringFromIndex:[@"cdvfile://localhost/assets-library" length]]; - return [NSURL URLWithString:[NSString stringWithFormat:@"assets-library:/%@", path]]; - } - return url.url; -} - -- (CDVPluginResult *)entryForLocalURI:(CDVFilesystemURL *)url -{ - NSDictionary* entry = [self makeEntryForLocalURL:url]; - return [CDVPluginResult resultWithStatus:CDVCommandStatus_OK messageAsDictionary:entry]; -} - -- (NSDictionary *)makeEntryForLocalURL:(CDVFilesystemURL *)url { - return [self makeEntryForPath:url.fullPath isDirectory:NO]; -} - -- (NSDictionary*)makeEntryForPath:(NSString*)fullPath isDirectory:(BOOL)isDir -{ - NSMutableDictionary* dirEntry = [NSMutableDictionary dictionaryWithCapacity:5]; - NSString* lastPart = [fullPath lastPathComponent]; - if (isDir && ![fullPath hasSuffix:@"/"]) { - fullPath = [fullPath stringByAppendingString:@"/"]; - } - [dirEntry setObject:[NSNumber numberWithBool:!isDir] forKey:@"isFile"]; - [dirEntry setObject:[NSNumber numberWithBool:isDir] forKey:@"isDirectory"]; - [dirEntry setObject:fullPath forKey:@"fullPath"]; - [dirEntry setObject:lastPart forKey:@"name"]; - [dirEntry setObject:self.name forKey: @"filesystemName"]; - - NSURL* nativeURL = [NSURL URLWithString:[NSString stringWithFormat:@"assets-library:/%@",fullPath]]; - if (self.urlTransformer) { - nativeURL = self.urlTransformer(nativeURL); - } - dirEntry[@"nativeURL"] = [nativeURL absoluteString]; - - return dirEntry; -} - -/* helper function to get the mimeType from the file extension - * IN: - * NSString* fullPath - filename (may include path) - * OUT: - * NSString* the mime type as type/subtype. nil if not able to determine - */ -+ (NSString*)getMimeTypeFromPath:(NSString*)fullPath -{ - NSString* mimeType = nil; - - if (fullPath) { - CFStringRef typeId = UTTypeCreatePreferredIdentifierForTag(kUTTagClassFilenameExtension, (__bridge CFStringRef)[fullPath pathExtension], NULL); - if (typeId) { - mimeType = (__bridge_transfer NSString*)UTTypeCopyPreferredTagWithClass(typeId, kUTTagClassMIMEType); - if (!mimeType) { - // special case for m4a - if ([(__bridge NSString*)typeId rangeOfString : @"m4a-audio"].location != NSNotFound) { - mimeType = @"audio/mp4"; - } else if ([[fullPath pathExtension] rangeOfString:@"wav"].location != NSNotFound) { - mimeType = @"audio/wav"; - } else if ([[fullPath pathExtension] rangeOfString:@"css"].location != NSNotFound) { - mimeType = @"text/css"; - } - } - CFRelease(typeId); - } - } - return mimeType; -} - -- (id)initWithName:(NSString *)name -{ - if (self) { - _name = name; - } - return self; -} - -- (CDVPluginResult *)getFileForURL:(CDVFilesystemURL *)baseURI requestedPath:(NSString *)requestedPath options:(NSDictionary *)options -{ - // return unsupported result for assets-library URLs - return [CDVPluginResult resultWithStatus:CDVCommandStatus_MALFORMED_URL_EXCEPTION messageAsString:@"getFile not supported for assets-library URLs."]; -} - -- (CDVPluginResult*)getParentForURL:(CDVFilesystemURL *)localURI -{ - // we don't (yet?) support getting the parent of an asset - return [CDVPluginResult resultWithStatus:CDVCommandStatus_IO_EXCEPTION messageAsInt:NOT_READABLE_ERR]; -} - -- (CDVPluginResult*)setMetadataForURL:(CDVFilesystemURL *)localURI withObject:(NSDictionary *)options -{ - // setMetadata doesn't make sense for asset library files - return [CDVPluginResult resultWithStatus:CDVCommandStatus_ERROR]; -} - -- (CDVPluginResult *)removeFileAtURL:(CDVFilesystemURL *)localURI -{ - // return error for assets-library URLs - return [CDVPluginResult resultWithStatus:CDVCommandStatus_IO_EXCEPTION messageAsInt:INVALID_MODIFICATION_ERR]; -} - -- (CDVPluginResult *)recursiveRemoveFileAtURL:(CDVFilesystemURL *)localURI -{ - // return error for assets-library URLs - return [CDVPluginResult resultWithStatus:CDVCommandStatus_MALFORMED_URL_EXCEPTION messageAsString:@"removeRecursively not supported for assets-library URLs."]; -} - -- (CDVPluginResult *)readEntriesAtURL:(CDVFilesystemURL *)localURI -{ - // return unsupported result for assets-library URLs - return [CDVPluginResult resultWithStatus:CDVCommandStatus_MALFORMED_URL_EXCEPTION messageAsString:@"readEntries not supported for assets-library URLs."]; -} - -- (CDVPluginResult *)truncateFileAtURL:(CDVFilesystemURL *)localURI atPosition:(unsigned long long)pos -{ - // assets-library files can't be truncated - return [CDVPluginResult resultWithStatus:CDVCommandStatus_IO_EXCEPTION messageAsInt:NO_MODIFICATION_ALLOWED_ERR]; -} - -- (CDVPluginResult *)writeToFileAtURL:(CDVFilesystemURL *)localURL withData:(NSData*)encData append:(BOOL)shouldAppend -{ - // text can't be written into assets-library files - return [CDVPluginResult resultWithStatus:CDVCommandStatus_IO_EXCEPTION messageAsInt:NO_MODIFICATION_ALLOWED_ERR]; -} - -- (void)copyFileToURL:(CDVFilesystemURL *)destURL withName:(NSString *)newName fromFileSystem:(NSObject<CDVFileSystem> *)srcFs atURL:(CDVFilesystemURL *)srcURL copy:(BOOL)bCopy callback:(void (^)(CDVPluginResult *))callback -{ - // Copying to an assets library file is not doable, since we can't write it. - CDVPluginResult *result = [CDVPluginResult resultWithStatus:CDVCommandStatus_IO_EXCEPTION messageAsInt:INVALID_MODIFICATION_ERR]; - callback(result); -} - -- (NSString *)filesystemPathForURL:(CDVFilesystemURL *)url -{ - NSString *path = nil; - if ([[url.url scheme] isEqualToString:kCDVAssetsLibraryScheme]) { - path = [url.url path]; - } else { - path = url.fullPath; - } - if ([path hasSuffix:@"/"]) { - path = [path substringToIndex:([path length]-1)]; - } - return path; -} - -- (void)readFileAtURL:(CDVFilesystemURL *)localURL start:(NSInteger)start end:(NSInteger)end callback:(void (^)(NSData*, NSString* mimeType, CDVFileError))callback -{ - ALAssetsLibraryAssetForURLResultBlock resultBlock = ^(ALAsset* asset) { - if (asset) { - // We have the asset! Get the data and send it off. - ALAssetRepresentation* assetRepresentation = [asset defaultRepresentation]; - NSUInteger size = (end > start) ? (end - start) : [assetRepresentation size]; - Byte* buffer = (Byte*)malloc(size); - NSUInteger bufferSize = [assetRepresentation getBytes:buffer fromOffset:start length:size error:nil]; - NSData* data = [NSData dataWithBytesNoCopy:buffer length:bufferSize freeWhenDone:YES]; - NSString* MIMEType = (__bridge_transfer NSString*)UTTypeCopyPreferredTagWithClass((__bridge CFStringRef)[assetRepresentation UTI], kUTTagClassMIMEType); - - callback(data, MIMEType, NO_ERROR); - } else { - callback(nil, nil, NOT_FOUND_ERR); - } - }; - - ALAssetsLibraryAccessFailureBlock failureBlock = ^(NSError* error) { - // Retrieving the asset failed for some reason. Send the appropriate error. - NSLog(@"Error: %@", error); - callback(nil, nil, SECURITY_ERR); - }; - - ALAssetsLibrary* assetsLibrary = [[ALAssetsLibrary alloc] init]; - [assetsLibrary assetForURL:[self assetLibraryURLForLocalURL:localURL] resultBlock:resultBlock failureBlock:failureBlock]; -} - -- (void)getFileMetadataForURL:(CDVFilesystemURL *)localURL callback:(void (^)(CDVPluginResult *))callback -{ - // In this case, we need to use an asynchronous method to retrieve the file. - // Because of this, we can't just assign to `result` and send it at the end of the method. - // Instead, we return after calling the asynchronous method and send `result` in each of the blocks. - ALAssetsLibraryAssetForURLResultBlock resultBlock = ^(ALAsset* asset) { - if (asset) { - // We have the asset! Populate the dictionary and send it off. - NSMutableDictionary* fileInfo = [NSMutableDictionary dictionaryWithCapacity:5]; - ALAssetRepresentation* assetRepresentation = [asset defaultRepresentation]; - [fileInfo setObject:[NSNumber numberWithUnsignedLongLong:[assetRepresentation size]] forKey:@"size"]; - [fileInfo setObject:localURL.fullPath forKey:@"fullPath"]; - NSString* filename = [assetRepresentation filename]; - [fileInfo setObject:filename forKey:@"name"]; - [fileInfo setObject:[CDVAssetLibraryFilesystem getMimeTypeFromPath:filename] forKey:@"type"]; - NSDate* creationDate = [asset valueForProperty:ALAssetPropertyDate]; - NSNumber* msDate = [NSNumber numberWithDouble:[creationDate timeIntervalSince1970] * 1000]; - [fileInfo setObject:msDate forKey:@"lastModifiedDate"]; - - callback([CDVPluginResult resultWithStatus:CDVCommandStatus_OK messageAsDictionary:fileInfo]); - } else { - // We couldn't find the asset. Send the appropriate error. - callback([CDVPluginResult resultWithStatus:CDVCommandStatus_IO_EXCEPTION messageAsInt:NOT_FOUND_ERR]); - } - }; - ALAssetsLibraryAccessFailureBlock failureBlock = ^(NSError* error) { - // Retrieving the asset failed for some reason. Send the appropriate error. - callback([CDVPluginResult resultWithStatus:CDVCommandStatus_IO_EXCEPTION messageAsString:[error localizedDescription]]); - }; - - ALAssetsLibrary* assetsLibrary = [[ALAssetsLibrary alloc] init]; - [assetsLibrary assetForURL:[self assetLibraryURLForLocalURL:localURL] resultBlock:resultBlock failureBlock:failureBlock]; - return; -} -@end |
