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Текущая директория: /usr/lib/node_modules/bitgo/node_modules/react-native/ReactCommon/react/renderer/components/view

Просмотр файла: ViewShadowNode.cpp

/*
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */

#include "ViewShadowNode.h"
#include <react/renderer/components/view/HostPlatformViewTraitsInitializer.h>
#include <react/renderer/components/view/primitives.h>

namespace facebook::react {

const char ViewComponentName[] = "View";

ViewShadowNodeProps::ViewShadowNodeProps(
    const PropsParserContext& context,
    const ViewShadowNodeProps& sourceProps,
    const RawProps& rawProps)
    : ViewProps(context, sourceProps, rawProps){};

ViewShadowNode::ViewShadowNode(
    const ShadowNodeFragment& fragment,
    const ShadowNodeFamily::Shared& family,
    ShadowNodeTraits traits)
    : ConcreteViewShadowNode(fragment, family, traits) {
  initialize();
}

ViewShadowNode::ViewShadowNode(
    const ShadowNode& sourceShadowNode,
    const ShadowNodeFragment& fragment)
    : ConcreteViewShadowNode(sourceShadowNode, fragment) {
  initialize();
}

void ViewShadowNode::initialize() noexcept {
  auto& viewProps = static_cast<const ViewProps&>(*props_);

  auto hasBorder = [&]() {
    for (auto edge : yoga::ordinals<yoga::Edge>()) {
      if (viewProps.yogaStyle.border(edge).isDefined()) {
        return true;
      }
    }
    return false;
  };

  bool formsStackingContext = !viewProps.collapsable ||
      viewProps.pointerEvents == PointerEventsMode::None ||
      !viewProps.nativeId.empty() || viewProps.accessible ||
      viewProps.opacity != 1.0 || viewProps.transform != Transform{} ||
      (viewProps.zIndex.has_value() &&
       viewProps.yogaStyle.positionType() != yoga::PositionType::Static) ||
      viewProps.yogaStyle.display() == yoga::Display::None ||
      viewProps.getClipsContentToBounds() || viewProps.events.bits.any() ||
      isColorMeaningful(viewProps.shadowColor) ||
      viewProps.accessibilityElementsHidden ||
      viewProps.accessibilityViewIsModal ||
      viewProps.importantForAccessibility != ImportantForAccessibility::Auto ||
      viewProps.removeClippedSubviews || viewProps.cursor != Cursor::Auto ||
      !viewProps.filter.empty() ||
      viewProps.mixBlendMode != BlendMode::Normal ||
      viewProps.isolation == Isolation::Isolate ||
      HostPlatformViewTraitsInitializer::formsStackingContext(viewProps) ||
      !viewProps.accessibilityOrder.empty();

  bool formsView = formsStackingContext ||
      isColorMeaningful(viewProps.backgroundColor) || hasBorder() ||
      !viewProps.testId.empty() || !viewProps.boxShadow.empty() ||
      !viewProps.backgroundImage.empty() ||
      HostPlatformViewTraitsInitializer::formsView(viewProps) ||
      viewProps.outlineWidth > 0;

  if (formsView) {
    traits_.set(ShadowNodeTraits::Trait::FormsView);
  } else {
    traits_.unset(ShadowNodeTraits::Trait::FormsView);
  }

  if (formsStackingContext) {
    traits_.set(ShadowNodeTraits::Trait::FormsStackingContext);
  } else {
    traits_.unset(ShadowNodeTraits::Trait::FormsStackingContext);
  }

  if (!viewProps.collapsableChildren) {
    traits_.set(ShadowNodeTraits::Trait::ChildrenFormStackingContext);
  } else {
    traits_.unset(ShadowNodeTraits::Trait::ChildrenFormStackingContext);
  }
}

} // namespace facebook::react

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