97 lines
2.3 KiB
Objective-C
97 lines
2.3 KiB
Objective-C
//
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// MBIMUpdateQueue.m
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// kordophoned
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//
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// Created by James Magahern on 11/16/18.
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// Copyright © 2018 James Magahern. All rights reserved.
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//
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#import "MBIMUpdateQueue.h"
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#import "IMMessageItem+Encoded.h"
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#import "IMChat+Encoded.h"
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@interface MBIMUpdateItem (/*INTERNAL*/)
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@property (nonatomic, assign) NSUInteger messageSequenceNumber;
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@end
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@implementation MBIMUpdateQueue {
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NSUInteger _messageSequenceNumber;
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dispatch_queue_t _accessQueue;
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NSMutableArray *_consumers;
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}
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+ (instancetype)sharedInstance
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{
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static MBIMUpdateQueue *sharedInstance = nil;
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static dispatch_once_t onceToken;
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dispatch_once(&onceToken, ^{
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sharedInstance = [[self alloc] init];
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});
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return sharedInstance;
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}
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- (instancetype)init
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{
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self = [super init];
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if (self) {
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_accessQueue = dispatch_queue_create("net.buzzert.MBIMUpdateQueue", DISPATCH_QUEUE_SERIAL);
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_consumers = [[NSMutableArray alloc] init];
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_messageSequenceNumber = 0;
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}
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return self;
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}
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- (void)addConsumer:(MBIMUpdateConsumer)consumer
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{
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__weak NSMutableArray *consumers = _consumers;
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dispatch_async(_accessQueue, ^{
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[consumers addObject:consumer];
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});
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}
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- (void)removeConsumer:(MBIMUpdateConsumer)consumer
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{
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__weak NSMutableArray *consumers = _consumers;
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dispatch_async(_accessQueue, ^{
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[consumers removeObject:consumer];
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});
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}
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- (void)enqueueUpdateItem:(MBIMUpdateItem *)item
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{
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_messageSequenceNumber++;
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item.messageSequenceNumber = _messageSequenceNumber;
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__weak NSMutableArray *consumers = _consumers;
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dispatch_async(_accessQueue, ^{
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for (MBIMUpdateConsumer consumer in consumers) {
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consumer(item);
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}
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[consumers removeAllObjects];
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});
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}
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@end
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@implementation MBIMUpdateItem
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- (NSDictionary *)dictionaryRepresentation
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{
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NSMutableDictionary *updateDict = [NSMutableDictionary dictionary];
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updateDict[@"messageSequenceNumber"] = @(_messageSequenceNumber);
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if ([self changedChat]) {
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updateDict[@"conversation"] = [[self changedChat] mbim_dictionaryRepresentation];
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}
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if ([self addedMessage]) {
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updateDict[@"message"] = [[self addedMessage] mbim_dictionaryRepresentation];
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}
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return updateDict;
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}
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@end
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