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55 lines
2.1 KiB
C
55 lines
2.1 KiB
C
5 years ago
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// Copyright (c) 2019 Open Whisper Systems. All rights reserved.
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//
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#import <Foundation/Foundation.h>
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NS_ASSUME_NONNULL_BEGIN
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@class OWSStorage;
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@class TSAttachment;
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@class TSThread;
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@class YapDatabaseAutoViewTransaction;
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@class YapDatabaseConnection;
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@class YapDatabaseReadTransaction;
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@class YapDatabaseViewRowChange;
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@interface OWSMediaGalleryFinder : NSObject
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- (instancetype)init NS_UNAVAILABLE;
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- (instancetype)initWithThread:(TSThread *)thread NS_DESIGNATED_INITIALIZER;
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// How many media items a thread has
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- (NSUInteger)mediaCountWithTransaction:(YapDatabaseReadTransaction *)transaction NS_SWIFT_NAME(mediaCount(transaction:));
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// The ordinal position of an attachment within a thread's media gallery
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- (nullable NSNumber *)mediaIndexForAttachment:(TSAttachment *)attachment
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transaction:(YapDatabaseReadTransaction *)transaction
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NS_SWIFT_NAME(mediaIndex(attachment:transaction:));
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- (nullable TSAttachment *)oldestMediaAttachmentWithTransaction:(YapDatabaseReadTransaction *)transaction
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NS_SWIFT_NAME(oldestMediaAttachment(transaction:));
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- (nullable TSAttachment *)mostRecentMediaAttachmentWithTransaction:(YapDatabaseReadTransaction *)transaction
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NS_SWIFT_NAME(mostRecentMediaAttachment(transaction:));
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- (void)enumerateMediaAttachmentsWithRange:(NSRange)range
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transaction:(YapDatabaseReadTransaction *)transaction
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block:(void (^)(TSAttachment *))attachmentBlock
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NS_SWIFT_NAME(enumerateMediaAttachments(range:transaction:block:));
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- (BOOL)hasMediaChangesInNotifications:(NSArray<NSNotification *> *)notifications
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dbConnection:(YapDatabaseConnection *)dbConnection;
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#pragma mark - Extension registration
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@property (nonatomic, readonly) NSString *mediaGroup;
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- (YapDatabaseAutoViewTransaction *)galleryExtensionWithTransaction:(YapDatabaseReadTransaction *)transaction
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NS_SWIFT_NAME(galleryExtension(transaction:));
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+ (NSString *)databaseExtensionName;
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+ (void)asyncRegisterDatabaseExtensionsWithPrimaryStorage:(OWSStorage *)storage;
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@end
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NS_ASSUME_NONNULL_END
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