89 lines
2.1 KiB
C
89 lines
2.1 KiB
C
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/*
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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 <vector>
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#include <react/mounting/ShadowView.h>
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namespace facebook {
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namespace react {
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/*
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* Describes a single native view tree mutation which may contain
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* pointers to an old shadow view, a new shadow view, a parent shadow view and
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* final index of inserted or updated view.
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* Use static methods to instantiate mutations of different types.
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*/
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struct ShadowViewMutation final {
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using List = std::vector<ShadowViewMutation>;
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#pragma mark - Designated Initializers
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/*
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* Creates and returns an `Create` mutation.
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*/
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static ShadowViewMutation CreateMutation(ShadowView shadowView);
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/*
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* Creates and returns an `Delete` mutation.
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*/
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static ShadowViewMutation DeleteMutation(ShadowView shadowView);
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/*
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* Creates and returns an `Insert` mutation.
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*/
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static ShadowViewMutation InsertMutation(
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ShadowView parentShadowView,
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ShadowView childShadowView,
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int index);
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/*
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* Creates and returns a `Remove` mutation.
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*/
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static ShadowViewMutation RemoveMutation(
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ShadowView parentShadowView,
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ShadowView childShadowView,
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int index);
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/*
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* Creates and returns an `Update` mutation.
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*/
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static ShadowViewMutation UpdateMutation(
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ShadowView parentShadowView,
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ShadowView oldChildShadowView,
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ShadowView newChildShadowView,
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int index);
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#pragma mark - Type
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enum Type { Create, Delete, Insert, Remove, Update };
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#pragma mark - Fields
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Type type = {Create};
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ShadowView parentShadowView = {};
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ShadowView oldChildShadowView = {};
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ShadowView newChildShadowView = {};
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int index = {};
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};
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using ShadowViewMutationList = std::vector<ShadowViewMutation>;
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#if RN_DEBUG_STRING_CONVERTIBLE
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std::string getDebugName(ShadowViewMutation const &object);
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std::vector<DebugStringConvertibleObject> getDebugProps(
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ShadowViewMutation const &object,
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DebugStringConvertibleOptions options);
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#endif
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} // namespace react
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} // namespace facebook
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