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acc2ed2488
Summary: This is only the core C++ part of TurboModule - moving to github to make integration with existing NativeModules system slightly easier. Other bindings for iOS/Android are not yet ready to move. Notes: * TurboModules is not ready to use at the moment. * Build configuration is not yet provided (cocoapods/.xcodeproj/gradle), just like Fabric. * No effort was done to make this lib C++17 strictly compliant yet (there will be in the future). Reviewed By: RSNara Differential Revision: D13551211 fbshipit-source-id: cd3b458e6746ee9218451962ca65b1ad641a32db
53 lines
1.3 KiB
C++
53 lines
1.3 KiB
C++
/**
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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#pragma once
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#include <memory>
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#include <unordered_set>
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namespace facebook {
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namespace react {
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/**
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* A simple wrapper class that can be registered to a collection that keep it alive for extended period of time.
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* This object can be removed from the collection when needed.
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*
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* The subclass of this class must be created using std::make_shared<T>().
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* After creation, add it to the `LongLivedObjectCollection`.
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* When done with the object, call `allowRelease()` to allow the OS to release it.
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*/
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class LongLivedObject {
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public:
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void allowRelease();
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protected:
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LongLivedObject();
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};
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/**
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* A singleton collection for the `LongLivedObject`s.
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*/
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class LongLivedObjectCollection {
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public:
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static LongLivedObjectCollection& get();
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LongLivedObjectCollection(LongLivedObjectCollection const&) = delete;
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void operator=(LongLivedObjectCollection const&) = delete;
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void add(std::shared_ptr<LongLivedObject> o);
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void remove(const LongLivedObject *o);
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void clear();
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private:
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LongLivedObjectCollection();
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std::unordered_set<std::shared_ptr<LongLivedObject>> collection_;
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};
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} // namespace react
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} // namespace facebook
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