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https://github.com/status-im/react-native.git
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1a4b6f0b3d
Summary: Computed `layoutMetrics` are also considered as part of ViewShadowNode's value. In the future we probably have to add something like `localData` and `imperativeCommands`. We need all this for diffing algorithm and mointing phase. Reviewed By: mdvacca Differential Revision: D7467800 fbshipit-source-id: 8a0dcf1fd2f97dc501d6969cb0b0f6a2c6a648b4
128 lines
3.2 KiB
C++
128 lines
3.2 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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#include "ViewShadowNode.h"
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#include <algorithm>
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#include <fabric/debug/DebugStringConvertibleItem.h>
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namespace facebook {
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namespace react {
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#pragma mark - Constructors
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ViewShadowNode::ViewShadowNode(
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const Tag &tag,
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const Tag &rootTag,
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const InstanceHandle &instanceHandle,
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const SharedViewProps &props,
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const SharedShadowNodeSharedList &children
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):
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ConcreteShadowNode(
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tag,
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rootTag,
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instanceHandle,
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props,
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children
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),
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AccessibleShadowNode(
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props
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),
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YogaLayoutableShadowNode(
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props,
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children
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) {};
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ViewShadowNode::ViewShadowNode(
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const SharedViewShadowNode &shadowNode,
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const SharedViewProps &props,
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const SharedShadowNodeSharedList &children
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):
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ConcreteShadowNode(
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shadowNode,
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props,
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children
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),
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AccessibleShadowNode(
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shadowNode,
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props
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),
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YogaLayoutableShadowNode(
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shadowNode,
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props,
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children
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) {};
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ComponentName ViewShadowNode::getComponentName() const {
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return ComponentName("View");
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}
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void ViewShadowNode::appendChild(const SharedShadowNode &child) {
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ensureUnsealed();
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ShadowNode::appendChild(child);
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auto yogaLayoutableChild = std::dynamic_pointer_cast<const YogaLayoutableShadowNode>(child);
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if (yogaLayoutableChild) {
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YogaLayoutableShadowNode::appendChild(yogaLayoutableChild);
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}
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}
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#pragma mark - YogaLayoutableShadowNode
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SharedLayoutableShadowNodeList ViewShadowNode::getChildren() const {
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SharedLayoutableShadowNodeList sharedLayoutableShadowNodeList = {};
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for (auto child : *children_) {
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const SharedLayoutableShadowNode layoutableShadowNode = std::dynamic_pointer_cast<const LayoutableShadowNode>(child);
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if (!layoutableShadowNode) {
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continue;
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}
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sharedLayoutableShadowNodeList.push_back(layoutableShadowNode);
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}
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return sharedLayoutableShadowNodeList;
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}
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SharedLayoutableShadowNode ViewShadowNode::cloneAndReplaceChild(const SharedLayoutableShadowNode &child) {
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ensureUnsealed();
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auto viewShadowNodeChild = std::dynamic_pointer_cast<const ViewShadowNode>(child);
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assert(viewShadowNodeChild);
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auto viewShadowNodeChildClone = std::make_shared<const ViewShadowNode>(viewShadowNodeChild);
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ShadowNode::replaceChild(viewShadowNodeChild, viewShadowNodeChildClone);
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return std::static_pointer_cast<const LayoutableShadowNode>(viewShadowNodeChildClone);
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}
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#pragma mark - Equality
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bool ViewShadowNode::operator==(const ShadowNode& rhs) const {
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if (!ShadowNode::operator==(rhs)) {
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return false;
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}
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auto &&other = static_cast<const ViewShadowNode&>(rhs);
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return getLayoutMetrics() == other.getLayoutMetrics();
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}
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#pragma mark - DebugStringConvertible
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SharedDebugStringConvertibleList ViewShadowNode::getDebugProps() const {
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SharedDebugStringConvertibleList list = {};
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auto basePropsList = ShadowNode::getDebugProps();
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std::move(basePropsList.begin(), basePropsList.end(), std::back_inserter(list));
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list.push_back(std::make_shared<DebugStringConvertibleItem>("layout", "", YogaLayoutableShadowNode::getDebugProps()));
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return list;
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}
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} // namespace react
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} // namespace facebook
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