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105 lines
2.8 KiB
Objective-C
105 lines
2.8 KiB
Objective-C
//
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// Copyright (c) 2018 Open Whisper Systems. All rights reserved.
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//
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#import "DataSource.h"
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#import "OWSBackupFragment.h"
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#import "TSAttachment.h"
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#if TARGET_OS_IPHONE
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#import <UIKit/UIKit.h>
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#endif
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NS_ASSUME_NONNULL_BEGIN
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@class SSKProtoAttachmentPointer;
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@class TSAttachmentPointer;
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@class YapDatabaseReadWriteTransaction;
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@interface TSAttachmentStream : TSAttachment
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- (instancetype)init NS_UNAVAILABLE;
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- (instancetype)initWithContentType:(NSString *)contentType
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byteCount:(UInt32)byteCount
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sourceFilename:(nullable NSString *)sourceFilename NS_DESIGNATED_INITIALIZER;
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- (instancetype)initWithPointer:(TSAttachmentPointer *)pointer NS_DESIGNATED_INITIALIZER;
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- (nullable instancetype)initWithCoder:(NSCoder *)coder NS_DESIGNATED_INITIALIZER;
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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) NSData *digest;
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// This only applies for attachments being uploaded.
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@property (atomic) BOOL isUploaded;
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@property (nonatomic, readonly) NSDate *creationTimestamp;
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#if TARGET_OS_IPHONE
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- (nullable UIImage *)image;
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- (nullable UIImage *)thumbnailImage;
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- (nullable NSData *)thumbnailData;
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- (nullable NSData *)validStillImageData;
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#endif
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- (BOOL)isAnimated;
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- (BOOL)isImage;
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- (BOOL)isVideo;
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- (BOOL)isAudio;
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+ (BOOL)hasThumbnailForMimeType:(NSString *)contentType;
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- (nullable NSString *)originalFilePath;
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- (nullable NSURL *)originalMediaURL;
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- (nullable NSString *)thumbnailPath;
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- (nullable NSData *)readDataFromFileWithError:(NSError **)error;
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- (BOOL)writeData:(NSData *)data error:(NSError **)error;
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- (BOOL)writeDataSource:(DataSource *)dataSource;
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- (BOOL)isOversizeText;
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- (nullable NSString *)readOversizeText;
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+ (void)deleteAttachments;
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+ (NSString *)attachmentsFolder;
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+ (NSString *)legacyAttachmentsDirPath;
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+ (NSString *)sharedDataAttachmentsDirPath;
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- (BOOL)shouldHaveImageSize;
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- (CGSize)imageSize;
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- (CGFloat)audioDurationSeconds;
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+ (nullable NSError *)migrateToSharedData;
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// Non-nil for attachments which need "lazy backup restore."
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- (nullable OWSBackupFragment *)lazyRestoreFragment;
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#pragma mark - Validation
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- (BOOL)isValidImage;
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- (BOOL)isValidVideo;
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#pragma mark - Update With... Methods
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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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// Marks attachment as having completed "lazy backup restore."
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- (void)updateWithLazyRestoreComplete;
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- (nullable TSAttachmentStream *)cloneAsThumbnail;
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#pragma mark - Protobuf
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+ (nullable SSKProtoAttachmentPointer *)buildProtoForAttachmentId:(nullable NSString *)attachmentId;
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- (nullable SSKProtoAttachmentPointer *)buildProto;
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@end
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NS_ASSUME_NONNULL_END
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