mirror of
https://github.com/facebook/react-native.git
synced 2025-11-01 09:14:26 +00:00
David Vacca
3c50d04cf2
Summary: Trivial diff that cleans up measure function in C++ and Android Reviewed By: shergin Differential Revision: D13200340 fbshipit-source-id: 6c0888439640241cdedf514898a1ba3dac231d6a
68 lines
1.9 KiB
C++
68 lines
1.9 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.
|
|
*/
|
|
|
|
#include "ParagraphShadowNode.h"
|
|
|
|
#include "ParagraphLocalData.h"
|
|
|
|
namespace facebook {
|
|
namespace react {
|
|
|
|
const char ParagraphComponentName[] = "Paragraph";
|
|
|
|
AttributedString ParagraphShadowNode::getAttributedString() const {
|
|
if (!cachedAttributedString_.has_value()) {
|
|
auto textAttributes = TextAttributes::defaultTextAttributes();
|
|
textAttributes.apply(getProps()->textAttributes);
|
|
|
|
cachedAttributedString_ = BaseTextShadowNode::getAttributedString(
|
|
textAttributes, shared_from_this());
|
|
}
|
|
|
|
return cachedAttributedString_.value();
|
|
}
|
|
|
|
void ParagraphShadowNode::setTextLayoutManager(
|
|
SharedTextLayoutManager textLayoutManager) {
|
|
ensureUnsealed();
|
|
textLayoutManager_ = textLayoutManager;
|
|
}
|
|
|
|
void ParagraphShadowNode::updateLocalDataIfNeeded() {
|
|
ensureUnsealed();
|
|
|
|
auto attributedString = getAttributedString();
|
|
auto currentLocalData =
|
|
std::static_pointer_cast<const ParagraphLocalData>(getLocalData());
|
|
if (currentLocalData &&
|
|
currentLocalData->getAttributedString() == attributedString) {
|
|
return;
|
|
}
|
|
|
|
auto localData = std::make_shared<ParagraphLocalData>();
|
|
localData->setAttributedString(std::move(attributedString));
|
|
localData->setTextLayoutManager(textLayoutManager_);
|
|
setLocalData(localData);
|
|
}
|
|
|
|
#pragma mark - LayoutableShadowNode
|
|
|
|
Size ParagraphShadowNode::measure(LayoutConstraints layoutConstraints) const {
|
|
return textLayoutManager_->measure(
|
|
getAttributedString(),
|
|
getProps()->paragraphAttributes,
|
|
layoutConstraints);
|
|
}
|
|
|
|
void ParagraphShadowNode::layout(LayoutContext layoutContext) {
|
|
updateLocalDataIfNeeded();
|
|
ConcreteViewShadowNode::layout(layoutContext);
|
|
}
|
|
|
|
} // namespace react
|
|
} // namespace facebook
|