/* * Copyright (C) 2019 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 "NSItemProviderAdditions.h" #import #import @implementation NSItemProvider (NSItemProviderAdditions) - (void)registerDataRepresentationForTypeIdentifier:(NSString *)typeIdentifier withData:(NSData *)data { [self registerDataRepresentationForTypeIdentifier:typeIdentifier withData:data loadingDelay:0]; } - (void)registerDataRepresentationForTypeIdentifier:(NSString *)typeIdentifier withData:(NSData *)data loadingDelay:(NSTimeInterval)delay { auto retainedData = retainPtr(data); [self registerDataRepresentationForTypeIdentifier:typeIdentifier visibility:NSItemProviderRepresentationVisibilityAll loadHandler: [retainedData, delay] (DataLoadCompletionBlock block) -> NSProgress * { if (delay > 0) { dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(delay * NSEC_PER_SEC)), dispatch_get_main_queue(), [block = makeBlockPtr(block), retainedData] { block(retainedData.get(), nil); }); } else block(retainedData.get(), nil); return [NSProgress discreteProgressWithTotalUnitCount:100]; }]; } @end