blob: 57d154c595ecdbdccc125bb0d49c6cd67f2f9e29 [file] [log] [blame]
// Copyright 2013 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#import "FLTThreadSafeEventChannel.h"
#import "QueueUtils.h"
@interface FLTThreadSafeEventChannel ()
@property(nonatomic, strong) FlutterEventChannel *channel;
@implementation FLTThreadSafeEventChannel
- (instancetype)initWithEventChannel:(FlutterEventChannel *)channel {
self = [super init];
if (self) {
_channel = channel;
return self;
- (void)setStreamHandler:(NSObject<FlutterStreamHandler> *)handler
completion:(void (^)(void))completion {
// WARNING: Should not use weak self, because FLTThreadSafeEventChannel is a local variable
// (retained within call stack, but not in the heap). FLTEnsureToRunOnMainQueue may trigger a
// context switch (when calling from background thread), in which case using weak self will always
// result in a nil self. Alternative to using strong self, we can also create a local strong
// variable to be captured by this block.
[ setStreamHandler:handler];