mirror of
https://github.com/Swiftgram/Telegram-iOS.git
synced 2026-01-22 12:08:55 +00:00
58 lines
1.5 KiB
Objective-C
58 lines
1.5 KiB
Objective-C
/*
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* This is the source code of Telegram for iOS v. 1.1
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* It is licensed under GNU GPL v. 2 or later.
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* You should have received a copy of the license in this archive (see LICENSE).
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*
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* Copyright Peter Iakovlev, 2013.
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*/
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#import <MTProtoKit/MTDatacenterSaltInfo.h>
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@implementation MTDatacenterSaltInfo
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- (instancetype)initWithSalt:(int64_t)salt firstValidMessageId:(int64_t)firstValidMessageId lastValidMessageId:(int64_t)lastValidMessageId
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{
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self = [super init];
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if (self != nil)
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{
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_salt = salt;
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_firstValidMessageId = firstValidMessageId;
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_lastValidMessageId = lastValidMessageId;
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}
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return self;
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}
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- (instancetype)initWithCoder:(NSCoder *)aDecoder
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{
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self = [super init];
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if (self != nil)
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{
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_salt = [aDecoder decodeInt64ForKey:@"salt"];
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_firstValidMessageId = [aDecoder decodeInt64ForKey:@"firstValidMessageId"];
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_lastValidMessageId = [aDecoder decodeInt64ForKey:@"lastValidMessageId"];
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}
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return self;
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}
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- (void)encodeWithCoder:(NSCoder *)aCoder
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{
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[aCoder encodeInt64:_salt forKey:@"salt"];
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[aCoder encodeInt64:_firstValidMessageId forKey:@"firstValidMessageId"];
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[aCoder encodeInt64:_lastValidMessageId forKey:@"lastValidMessageId"];
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}
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- (int64_t)validMessageCountAfterId:(int64_t)messageId
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{
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if (messageId < _firstValidMessageId)
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return 0;
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return MAX(0, _lastValidMessageId - messageId);
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}
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- (bool)isValidFutureSaltForMessageId:(int64_t)messageId
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{
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return _lastValidMessageId > messageId;
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}
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@end
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