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TestFilePromiseReceiver.mm
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/*
* Copyright (C) 2018 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#import "config.h"
#import "TestFilePromiseReceiver.h"
#if PLATFORM(MAC)
#import "DragAndDropSimulator.h"
#import <wtf/RetainPtr.h>
#import <wtf/WeakObjCPtr.h>
@implementation TestFilePromiseReceiver {
RetainPtr<NSString> _promisedTypeIdentifier;
RetainPtr<NSURL> _promisedFileURL;
RetainPtr<NSURL> _destinationURL;
WeakObjCPtr<id> _draggingSource;
}
- (instancetype)initWithTypeIdentifier:(NSString *)promisedTypeIdentifier fileURL:(NSURL *)promisedFileURL
{
if (!(self = [super init]))
return nil;
_promisedFileURL = adoptNS([promisedFileURL copy]);
_promisedTypeIdentifier = adoptNS([promisedTypeIdentifier copy]);
return self;
}
- (NSArray<NSString *> *)fileTypes
{
return @[ _promisedTypeIdentifier.get() ];
}
- (NSArray<NSString *> *)fileNames
{
if (_destinationURL)
return @[ [_destinationURL lastPathComponent] ];
return @[ ];
}
- (void)dealloc
{
if (_destinationURL)
[[NSFileManager defaultManager] removeItemAtURL:_destinationURL.get() error:nil];
[super dealloc];
}
- (id)draggingSource
{
return _draggingSource.get().get();
}
- (void)setDraggingSource:(id)draggingSource
{
_draggingSource = draggingSource;
}
static NSString *fileNameWithNumericSuffix(NSString *fileName, NSUInteger suffix)
{
return [NSString stringWithFormat:@"%@ %zu.%@", fileName.stringByDeletingPathExtension, suffix, fileName.pathExtension];
}
static NSURL *writeToWebLoc(NSURL *webURL, NSURL *destinationDirectory, NSError **outError)
{
auto components = adoptNS([webURL.absoluteString componentsSeparatedByCharactersInSet:NSCharacterSet.letterCharacterSet.invertedSet].mutableCopy);
[components removeObject:@""];
NSString *fileName = [[components componentsJoinedByString:@"-"] stringByAppendingPathExtension:@"webloc"];
NSURL *destinationURL = [NSURL fileURLWithPath:fileName relativeToURL:destinationDirectory];
return [@{ @"URL" : webURL.absoluteString } writeToURL:destinationURL error:outError] ? destinationURL : nil;
}
static NSURL *copyFile(NSURL *sourceURL, NSURL *destinationDirectory, NSError **outError)
{
NSUInteger suffix = 0;
NSString *fileName = sourceURL.lastPathComponent;
NSURL *destinationURL = [NSURL fileURLWithPath:fileName relativeToURL:destinationDirectory];
NSError *error;
while (![NSFileManager.defaultManager copyItemAtURL:sourceURL toURL:destinationURL error:&error]) {
if (error.domain != NSCocoaErrorDomain || error.code != NSFileWriteFileExistsError) {
if (outError)
*outError = error;
return nil;
}
destinationURL = [NSURL fileURLWithPath:fileNameWithNumericSuffix(fileName, ++suffix) relativeToURL:destinationDirectory];
}
return destinationURL;
}
- (void)receivePromisedFilesAtDestination:(NSURL *)destinationDirectory options:(NSDictionary *)options operationQueue:(NSOperationQueue *)queue reader:(void (^)(NSURL *, NSError *))reader
{
[queue addOperationWithBlock:^{
NSError *error = nil;
NSURL *destination = nil;
if ([_promisedFileURL isFileURL])
destination = copyFile(_promisedFileURL.get(), destinationDirectory, &error);
else
destination = writeToWebLoc(_promisedFileURL.get(), destinationDirectory, &error);
if (destination) {
dispatch_async(dispatch_get_main_queue(), ^{
_destinationURL = destination;
});
}
reader(destination, error);
}];
}
@end
#endif // PLATFORM(MAC)