GT2/Ejectable/node_modules/react-native/ReactCommon/fabric/mounting/ShadowViewMutation.h

89 lines
2.1 KiB
C++

/*
* Copyright (c) Facebook, Inc. and its affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
#pragma once
#include <vector>
#include <react/mounting/ShadowView.h>
namespace facebook {
namespace react {
/*
* Describes a single native view tree mutation which may contain
* pointers to an old shadow view, a new shadow view, a parent shadow view and
* final index of inserted or updated view.
* Use static methods to instantiate mutations of different types.
*/
struct ShadowViewMutation final {
using List = std::vector<ShadowViewMutation>;
#pragma mark - Designated Initializers
/*
* Creates and returns an `Create` mutation.
*/
static ShadowViewMutation CreateMutation(ShadowView shadowView);
/*
* Creates and returns an `Delete` mutation.
*/
static ShadowViewMutation DeleteMutation(ShadowView shadowView);
/*
* Creates and returns an `Insert` mutation.
*/
static ShadowViewMutation InsertMutation(
ShadowView parentShadowView,
ShadowView childShadowView,
int index);
/*
* Creates and returns a `Remove` mutation.
*/
static ShadowViewMutation RemoveMutation(
ShadowView parentShadowView,
ShadowView childShadowView,
int index);
/*
* Creates and returns an `Update` mutation.
*/
static ShadowViewMutation UpdateMutation(
ShadowView parentShadowView,
ShadowView oldChildShadowView,
ShadowView newChildShadowView,
int index);
#pragma mark - Type
enum Type { Create, Delete, Insert, Remove, Update };
#pragma mark - Fields
Type type = {Create};
ShadowView parentShadowView = {};
ShadowView oldChildShadowView = {};
ShadowView newChildShadowView = {};
int index = {};
};
using ShadowViewMutationList = std::vector<ShadowViewMutation>;
#if RN_DEBUG_STRING_CONVERTIBLE
std::string getDebugName(ShadowViewMutation const &object);
std::vector<DebugStringConvertibleObject> getDebugProps(
ShadowViewMutation const &object,
DebugStringConvertibleOptions options);
#endif
} // namespace react
} // namespace facebook