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c623455845
Summary: Foundation clases for Fabric designed to be "const-first". Reviewed By: fkgozali Differential Revision: D7230672 fbshipit-source-id: 433acd35a7958d5d577358b0a306923f970e573f
56 lines
1.4 KiB
C++
56 lines
1.4 KiB
C++
/**
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* Copyright (c) 2015-present, Facebook, Inc.
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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 <string>
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#include <folly/dynamic.h>
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namespace facebook {
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namespace react {
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/*
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* `Tag` and `InstanceHandle` are used to address React Native components.
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*/
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using Tag = int32_t;
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using InstanceHandle = void *;
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/*
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* `RawProps` represents untyped map with props comes from JavaScript side.
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*/
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// TODO(T26954420): Use iterator as underlying type for RawProps.
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using RawProps = std::map<std::string, folly::dynamic>;
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using SharedRawProps = std::shared_ptr<const RawProps>;
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/*
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* Components event handlers.
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* Something which usually called from JavaScript side.
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*/
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using BubblingEventHandler = void (*)(void);
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using SharedBubblingEventHandler = std::shared_ptr<BubblingEventHandler>;
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using DirectEventHandler = void (*)(void);
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using SharedDirectEventHandler = std::shared_ptr<DirectEventHandler>;
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/*
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* Universal component handle which allows to refer to `ComponentDescriptor`s
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* in maps efficiently.
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* Practically, it's something that concrete ShadowNode and concrete
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* ComponentDescriptor have in common.
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*/
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using ComponentHandle = size_t;
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/*
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* String identifier for components used for addressing them from
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* JavaScript side.
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*/
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using ComponentName = std::string;
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} // namespace react
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} // namespace facebook
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