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/*
* 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 "FDataEvent.h"
#import "FEventRegistration.h"
#import "FIndex.h"
#import "FIRDatabaseQuery_Private.h"
@interface FDataEvent ()
@property (nonatomic, strong, readwrite) id<FEventRegistration> eventRegistration;
@property (nonatomic, strong, readwrite) FIRDataSnapshot *snapshot;
@property (nonatomic, strong, readwrite) NSString *prevName;
@property (nonatomic, readwrite) FIRDataEventType eventType;
@end
@implementation FDataEvent
@synthesize eventRegistration;
@synthesize snapshot;
@synthesize prevName;
@synthesize eventType;
- (id)initWithEventType:(FIRDataEventType)type eventRegistration:(id <FEventRegistration>)registration dataSnapshot:(FIRDataSnapshot *)dataSnapshot {
return [self initWithEventType:type eventRegistration:registration dataSnapshot:dataSnapshot prevName:nil];
}
- (id)initWithEventType:(FIRDataEventType)type eventRegistration:(id <FEventRegistration>)registration dataSnapshot:(FIRDataSnapshot *)dataSnapshot prevName:(NSString *)previousName {
self = [super init];
if (self) {
self.eventRegistration = registration;
self.snapshot = dataSnapshot;
self.prevName = previousName;
self.eventType = type;
}
return self;
}
- (FPath *) path {
// Used for logging, so delay calculation
FIRDatabaseReference *ref = self.snapshot.ref;
if (self.eventType == FIRDataEventTypeValue) {
return ref.path;
} else {
return ref.parent.path;
}
}
- (void) fireEventOnQueue:(dispatch_queue_t)queue {
[self.eventRegistration fireEvent:self queue:queue];
}
- (BOOL) isCancelEvent {
return NO;
}
- (NSString *) description {
return [NSString stringWithFormat:@"event %d, data: %@", (int) eventType, [snapshot value]];
}
@end
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