| // 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 "FWFObjectHostApi.h" |
| #import "FWFDataConverters.h" |
| |
| @interface FWFObjectHostApiImpl () |
| @property(nonatomic) FWFInstanceManager *instanceManager; |
| @end |
| |
| @implementation FWFObjectHostApiImpl |
| - (instancetype)initWithInstanceManager:(FWFInstanceManager *)instanceManager { |
| self = [self init]; |
| if (self) { |
| _instanceManager = instanceManager; |
| } |
| return self; |
| } |
| |
| - (NSObject *)objectForIdentifier:(NSNumber *)instanceId { |
| return (NSObject *)[self.instanceManager instanceForIdentifier:instanceId.longValue]; |
| } |
| |
| - (void)addObserverForObjectWithIdentifier:(nonnull NSNumber *)instanceId |
| observerIdentifier:(nonnull NSNumber *)observer |
| keyPath:(nonnull NSString *)keyPath |
| options: |
| (nonnull NSArray<FWFNSKeyValueObservingOptionsEnumData *> *) |
| options |
| error:(FlutterError *_Nullable *_Nonnull)error { |
| NSKeyValueObservingOptions optionsInt = 0; |
| for (FWFNSKeyValueObservingOptionsEnumData *data in options) { |
| optionsInt |= FWFNSKeyValueObservingOptionsFromEnumData(data); |
| } |
| [[self objectForIdentifier:instanceId] addObserver:[self objectForIdentifier:observer] |
| forKeyPath:keyPath |
| options:optionsInt |
| context:nil]; |
| } |
| |
| - (void)removeObserverForObjectWithIdentifier:(nonnull NSNumber *)instanceId |
| observerIdentifier:(nonnull NSNumber *)observer |
| keyPath:(nonnull NSString *)keyPath |
| error:(FlutterError *_Nullable *_Nonnull)error { |
| [[self objectForIdentifier:instanceId] removeObserver:[self objectForIdentifier:observer] |
| forKeyPath:keyPath]; |
| } |
| |
| - (void)disposeObjectWithIdentifier:(nonnull NSNumber *)instanceId |
| error:(FlutterError *_Nullable *_Nonnull)error { |
| [self.instanceManager removeInstanceWithIdentifier:instanceId.longValue]; |
| } |
| @end |
