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57b0e68a2c
Summary: @public Trivial. We move all components into `/components/` subdirectory. Reviewed By: mdvacca Differential Revision: D8757011 fbshipit-source-id: 6a7da09e01184d41d37a1e1782c20d3c79371ae3
104 lines
3.0 KiB
C++
104 lines
3.0 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 <vector>
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#include <yoga/YGNode.h>
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#include <fabric/components/view/YogaStylableProps.h>
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#include <fabric/core/LayoutableShadowNode.h>
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#include <fabric/core/Sealable.h>
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#include <fabric/core/ShadowNode.h>
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#include <fabric/debug/DebugStringConvertible.h>
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namespace facebook {
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namespace react {
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class YogaLayoutableShadowNode;
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using SharedYogaConfig = std::shared_ptr<YGConfig>;
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using SharedYogaLayoutableShadowNode = std::shared_ptr<const YogaLayoutableShadowNode>;
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using SharedYogaLayoutableShadowNodeList = std::vector<SharedYogaLayoutableShadowNode>;
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using SharedYogaLayoutableShadowNodeSharedList = std::shared_ptr<const SharedYogaLayoutableShadowNodeList>;
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class YogaLayoutableShadowNode:
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public LayoutableShadowNode,
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public virtual DebugStringConvertible,
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public virtual Sealable {
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public:
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#pragma mark - Constructors
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YogaLayoutableShadowNode(
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const SharedYogaStylableProps &props,
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const SharedShadowNodeSharedList &children
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);
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YogaLayoutableShadowNode(
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const SharedYogaLayoutableShadowNode &shadowNode,
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const SharedYogaStylableProps &props = nullptr,
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const SharedShadowNodeSharedList &children = nullptr
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);
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#pragma mark - Mutating Methods
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/*
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* Connects `measureFunc` function of Yoga node with
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* `LayoutableShadowNode::measure()` method.
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*/
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void enableMeasurement();
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/*
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* Appends `child`'s Yoga node to the own Yoga node.
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* So, it complements `ShadowNode::appendChild(...)` functionality from Yoga
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* perspective.
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*/
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void appendChild(SharedYogaLayoutableShadowNode child);
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void cleanLayout() override;
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void dirtyLayout() override;
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bool getIsLayoutClean() const override;
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void setHasNewLayout(bool hasNewLayout) override;
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bool getHasNewLayout() const override;
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/*
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* Computes layout using Yoga layout engine.
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* See `LayoutableShadowNode` for more details.
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*/
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void layout(LayoutContext layoutContext) override;
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void layoutChildren(LayoutContext layoutContext) override;
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protected:
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/*
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* All Yoga functions only accept non-const arguments, so we have to mark
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* Yoga node as `mutable` here to avoid `static_cast`ing the pointer to this
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* all the time.
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*/
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mutable YGNode yogaNode_;
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/*
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* Yoga config associated (only) with this particular node.
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*/
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YGConfig yogaConfig_;
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private:
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static void initializeYogaConfig(YGConfig &config);
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static void setYogaNodeChildrenBasedOnShadowNodeChildren(YGNode *yogaNodeRawPtr, const SharedShadowNodeSharedList &children);
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static YGNode *yogaNodeCloneCallbackConnector(YGNode *oldYogaNode, YGNode *parentYogaNode, int childIndex);
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static YGSize yogaNodeMeasureCallbackConnector(YGNode *yogaNode, float width, YGMeasureMode widthMode, float height, YGMeasureMode heightMode);
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};
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} // namespace react
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} // namespace facebook
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