diff options
author | Gil <mcg@google.com> | 2017-10-03 08:55:22 -0700 |
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committer | GitHub <noreply@github.com> | 2017-10-03 08:55:22 -0700 |
commit | bde743ed25166a0b320ae157bfb1d68064f531c9 (patch) | |
tree | 4dd7525d9df32fa5dbdb721d4b0d4f9b87f5e884 /Firestore/Source/Util/FSTAsyncQueryListener.m | |
parent | bf550507ffa8beee149383a5bf1e2363bccefbb4 (diff) |
Release 4.3.0 (#327)
Initial release of Firestore at 0.8.0
Bump FirebaseCommunity to 0.1.3
Diffstat (limited to 'Firestore/Source/Util/FSTAsyncQueryListener.m')
-rw-r--r-- | Firestore/Source/Util/FSTAsyncQueryListener.m | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/Firestore/Source/Util/FSTAsyncQueryListener.m b/Firestore/Source/Util/FSTAsyncQueryListener.m new file mode 100644 index 0000000..31951e1 --- /dev/null +++ b/Firestore/Source/Util/FSTAsyncQueryListener.m @@ -0,0 +1,50 @@ +/* + * Copyright 2017 Google + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#import "FSTAsyncQueryListener.h" + +#import "FSTDispatchQueue.h" + +@implementation FSTAsyncQueryListener { + volatile BOOL _muted; + FSTViewSnapshotHandler _snapshotHandler; + FSTDispatchQueue *_dispatchQueue; +} + +- (instancetype)initWithDispatchQueue:(FSTDispatchQueue *)dispatchQueue + snapshotHandler:(FSTViewSnapshotHandler)snapshotHandler { + if (self = [super init]) { + _dispatchQueue = dispatchQueue; + _snapshotHandler = snapshotHandler; + } + return self; +} + +- (FSTViewSnapshotHandler)asyncSnapshotHandler { + return ^(FSTViewSnapshot *_Nullable snapshot, NSError *_Nullable error) { + [_dispatchQueue dispatchAsync:^{ + if (!_muted) { + _snapshotHandler(snapshot, error); + } + }]; + }; +} + +- (void)mute { + _muted = true; +} + +@end |