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/*
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* Copyright 2018 Google
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#import <Foundation/Foundation.h>
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NS_ASSUME_NONNULL_BEGIN
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/// A type-safe macro to retrieve a component from a container. This should be used to retrieve
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/// components instead of using the container directly.
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#define FIR_COMPONENT(type, container) \
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[FIRComponentType<id<type>> instanceForProtocol:@protocol(type) inContainer:container]
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@class FIRApp;
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/// A container that holds different components that are registered via the
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/// `registerAsComponentRegistrant` call. These classes should conform to `ComponentRegistrant`
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/// in order to properly register components for Core.
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NS_SWIFT_NAME(FirebaseComponentContainer)
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@interface FIRComponentContainer : NSObject
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/// A weak reference to the app that an instance of the container belongs to.
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@property(nonatomic, weak, readonly) FIRApp *app;
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/// Unavailable. Use the `container` property on `FirebaseApp`.
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- (instancetype)init NS_UNAVAILABLE;
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@end
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NS_ASSUME_NONNULL_END
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