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d9ff1769aa
Summary: I was shamed by Sebastian's sebmarkbage concerns (totally unrelated to this topic) about introducing another level of indirection into the system and decided to change my original plan not to support text attributes for the <Paragraph> component. So, now <Paragraph> shares <View>, <Text> and <Paragraph> itself capabilities. That reduces the minimum amount of required components for trivial text fragment from three (Paragraph, Text, RawText) to two (Paragraph and RawText). Special thanks for C++ for supporting multiple inheritance. Reviewed By: mdvacca Differential Revision: D7785889 fbshipit-source-id: dd9f2e2650bfbfd76d7d4b538adaf409f9429df3
56 lines
1.5 KiB
C++
56 lines
1.5 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 "ParagraphShadowNode.h"
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#include <fabric/debug/DebugStringConvertibleItem.h>
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#import "ParagraphLocalData.h"
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namespace facebook {
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namespace react {
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ComponentName ParagraphShadowNode::getComponentName() const {
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return ComponentName("Paragraph");
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}
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AttributedString ParagraphShadowNode::getAttributedString() const {
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return BaseTextShadowNode::getAttributedString(getProps()->getTextAttributes(), getChildren());
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}
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void ParagraphShadowNode::setTextLayoutManager(SharedTextLayoutManager textLayoutManager) {
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ensureUnsealed();
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textLayoutManager_ = textLayoutManager;
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}
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void ParagraphShadowNode::updateLocalData() {
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ensureUnsealed();
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auto localData = std::make_shared<ParagraphLocalData>();
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localData->setAttributedString(getAttributedString());
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localData->setTextLayoutManager(textLayoutManager_);
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setLocalData(localData);
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}
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#pragma mark - LayoutableShadowNode
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Size ParagraphShadowNode::measure(LayoutConstraints layoutConstraints) const {
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return textLayoutManager_->measure(
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getAttributedString(),
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getProps()->getParagraphAttributes(),
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layoutConstraints
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);
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}
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void ParagraphShadowNode::layout(LayoutContext layoutContext) {
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updateLocalData();
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ConcreteViewShadowNode<ParagraphProps>::layout(layoutContext);
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}
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} // namespace react
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} // namespace facebook
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