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52 lines
2.1 KiB
Objective-C
52 lines
2.1 KiB
Objective-C
//
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// Copyright (c) 2018 Open Whisper Systems. All rights reserved.
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//
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NS_ASSUME_NONNULL_BEGIN
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extern NSString *const kAttachmentDownloadProgressNotification;
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extern NSString *const kAttachmentDownloadProgressKey;
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extern NSString *const kAttachmentDownloadAttachmentIDKey;
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@class OWSPrimaryStorage;
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@class SSKProtoAttachmentPointer;
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@class TSAttachmentPointer;
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@class TSAttachmentStream;
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@class TSMessage;
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@class TSNetworkManager;
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@class TSThread;
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@class YapDatabaseReadWriteTransaction;
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/**
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* Given incoming attachment protos, determines which we support.
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* It can download those that we support and notifies threads when it receives unsupported attachments.
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*/
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@interface OWSAttachmentsProcessor : NSObject
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@property (nonatomic, readonly) NSArray<NSString *> *attachmentIds;
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@property (nonatomic, readonly) NSArray<TSAttachmentPointer *> *attachmentPointers;
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@property (nonatomic, readonly) BOOL hasSupportedAttachments;
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- (instancetype)init NS_UNAVAILABLE;
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- (instancetype)initWithAttachmentProtos:(NSArray<SSKProtoAttachmentPointer *> *)attachmentProtos
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networkManager:(TSNetworkManager *)networkManager
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transaction:(YapDatabaseReadWriteTransaction *)transaction NS_DESIGNATED_INITIALIZER;
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/*
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* Retry fetching failed attachment download
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*/
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- (instancetype)initWithAttachmentPointer:(TSAttachmentPointer *)attachmentPointer
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networkManager:(TSNetworkManager *)networkManager NS_DESIGNATED_INITIALIZER;
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- (void)fetchAttachmentsForMessage:(nullable TSMessage *)message
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primaryStorage:(OWSPrimaryStorage *)primaryStorage
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success:(void (^)(TSAttachmentStream *attachmentStream))successHandler
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failure:(void (^)(NSError *error))failureHandler;
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- (void)fetchAttachmentsForMessage:(nullable TSMessage *)message
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transaction:(YapDatabaseReadWriteTransaction *)transaction
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success:(void (^)(TSAttachmentStream *attachmentStream))successHandler
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failure:(void (^)(NSError *error))failureHandler;
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@end
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NS_ASSUME_NONNULL_END
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