1 | /*
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2 | * Copyright (C) 2020 Apple Inc. All rights reserved.
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3 | *
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4 | * Redistribution and use in source and binary forms, with or without
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5 | * modification, are permitted provided that the following conditions
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6 | * are met:
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7 | * 1. Redistributions of source code must retain the above copyright
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8 | * notice, this list of conditions and the following disclaimer.
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9 | * 2. Redistributions in binary form must reproduce the above copyright
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10 | * notice, this list of conditions and the following disclaimer in the
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11 | * documentation and/or other materials provided with the distribution.
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12 | *
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13 | * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
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14 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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15 | * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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16 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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17 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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18 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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19 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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20 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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21 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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22 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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23 | * THE POSSIBILITY OF SUCH DAMAGE.
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24 | */
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25 |
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26 | #if HAVE(QUICKLOOK_THUMBNAILING)
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27 |
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28 | #import "CocoaImage.h"
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29 |
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30 | @interface WKQLThumbnailQueueManager : NSObject
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31 |
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32 | @property (nonatomic, readonly, retain) NSOperationQueue *queue;
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33 |
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34 | - (instancetype)init;
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35 | + (WKQLThumbnailQueueManager *)sharedInstance;
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36 |
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37 | @end
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38 |
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39 | @interface WKQLThumbnailLoadOperation : NSOperation
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40 |
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41 | @property (atomic, readonly, getter=isAsynchronous) BOOL asynchronous;
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42 | @property (atomic, readonly, getter=isExecuting) BOOL executing;
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43 | @property (atomic, readonly, getter=isFinished) BOOL finished;
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44 |
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45 | @property (nonatomic, readonly, copy) NSString *identifier;
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46 | @property (nonatomic, readonly, retain) CocoaImage *thumbnail;
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47 |
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48 | - (instancetype)initWithAttachment:(NSFileWrapper *)fileWrapper identifier:(NSString *)identifier;
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49 | - (instancetype)initWithURL:(NSString *)fileURL identifier:(NSString *)identifier;
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50 |
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51 | @end
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52 |
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53 | #endif // HAVE(QUICKLOOK_THUMBNAILING)
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