| // |
| // Copyright 2019 Google LLC. |
| // |
| // 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 <Foundation/Foundation.h> |
| |
| NS_ASSUME_NONNULL_BEGIN |
| |
| /** |
| * The EDOWeakObject wraps the weak object as an NSProxy. EDOWeakObject is weakly associated with |
| * the underlying object (weak object). For a weak object, users would use [object remoteWeak], |
| * which will wrap the object inside the EDOWeakObject and return the EDOWeakObject. NSProxy helps |
| * to monitor the case where remote object has been released yet being called by the other process. |
| */ |
| @interface EDOWeakObject : NSProxy |
| |
| /** The weak underlying object. */ |
| @property(readonly, nonatomic, weak) id weakObject; |
| |
| - (instancetype)init NS_UNAVAILABLE; |
| |
| /** |
| * Creates EDOWeakObject by wrapping the underlying weak object. |
| * |
| * Do not call this directly. Use -[NSObject remoteWeak] instead. |
| * |
| * @param weakObject The underlying object that is weakly referenced. |
| */ |
| - (instancetype)initWithWeakObject:(id)weakObject; |
| |
| @end |
| |
| NS_ASSUME_NONNULL_END |
