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73 lines
2.8 KiB
Objective-C
73 lines
2.8 KiB
Objective-C
#import <SessionMessagingKit/TSAttachment.h>
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#import <UIKit/UIKit.h>
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NS_ASSUME_NONNULL_BEGIN
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@class OWSBackupFragment;
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@class SNProtoAttachmentPointer;
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@class TSAttachmentStream;
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@class TSMessage;
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typedef NS_ENUM(NSUInteger, TSAttachmentPointerType) {
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TSAttachmentPointerTypeUnknown = 0,
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TSAttachmentPointerTypeIncoming = 1,
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TSAttachmentPointerTypeRestoring = 2,
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};
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typedef NS_ENUM(NSUInteger, TSAttachmentPointerState) {
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TSAttachmentPointerStateEnqueued = 0,
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TSAttachmentPointerStateDownloading = 1,
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TSAttachmentPointerStateFailed = 2,
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};
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/**
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* A TSAttachmentPointer is a yet-to-be-downloaded attachment.
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*/
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@interface TSAttachmentPointer : TSAttachment
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@property (nonatomic) TSAttachmentPointerType pointerType;
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@property (atomic) TSAttachmentPointerState state;
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@property (nullable, atomic) NSString *mostRecentFailureLocalizedText;
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// Though now required, `digest` may be null for pre-existing records or from
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// messages received from other clients
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@property (nullable, nonatomic, readonly) NSData *digest;
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@property (nonatomic, readonly) CGSize mediaSize;
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// Optional property. Only set for attachments which need "lazy backup restore."
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@property (nonatomic, nullable) NSString *lazyRestoreFragmentId;
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- (nullable instancetype)initWithCoder:(NSCoder *)coder NS_DESIGNATED_INITIALIZER;
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- (instancetype)initWithServerId:(UInt64)serverId
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key:(nullable NSData *)key
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digest:(nullable NSData *)digest
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byteCount:(UInt32)byteCount
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contentType:(NSString *)contentType
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sourceFilename:(nullable NSString *)sourceFilename
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caption:(nullable NSString *)caption
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albumMessageId:(nullable NSString *)albumMessageId
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attachmentType:(TSAttachmentType)attachmentType
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mediaSize:(CGSize)mediaSize NS_DESIGNATED_INITIALIZER;
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- (instancetype)initForRestoreWithAttachmentStream:(TSAttachmentStream *)attachmentStream NS_DESIGNATED_INITIALIZER;
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+ (nullable TSAttachmentPointer *)attachmentPointerFromProto:(SNProtoAttachmentPointer *)attachmentProto
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albumMessage:(nullable TSMessage *)message;
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+ (NSArray<TSAttachmentPointer *> *)attachmentPointersFromProtos:
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(NSArray<SNProtoAttachmentPointer *> *)attachmentProtos
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albumMessage:(TSMessage *)message;
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// Non-nil for attachments which need "lazy backup restore."
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- (nullable OWSBackupFragment *)lazyRestoreFragment;
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// Marks attachment as needing "lazy backup restore."
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- (void)markForLazyRestoreWithFragment:(OWSBackupFragment *)lazyRestoreFragment
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transaction:(YapDatabaseReadWriteTransaction *)transaction;
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@end
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NS_ASSUME_NONNULL_END
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