mirror of
https://github.com/facebook/react-native.git
synced 2025-11-01 09:14:26 +00:00
Joshua Gross
07580f0f7e
Summary: Use a similar setup as Paragraph, and support in Fabric: - Correct measuring of AndroidTextInput - Correct display of AndroidTextInput attributed strings Changelog: [Internal] Reviewed By: mdvacca Differential Revision: D18669957 fbshipit-source-id: 84e0ad8021c9edf8219e0c673c781276ca29787d
110 lines
3.2 KiB
C++
110 lines
3.2 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 "AndroidTextInputShadowNode.h"
|
|
|
|
#include <fb/fbjni.h>
|
|
#include <react/attributedstring/TextAttributes.h>
|
|
#include <react/components/text/BaseTextShadowNode.h>
|
|
#include <react/core/LayoutConstraints.h>
|
|
#include <react/core/LayoutContext.h>
|
|
#include <react/core/conversions.h>
|
|
#include <react/jni/ReadableNativeMap.h>
|
|
|
|
#include <Glog/logging.h>
|
|
|
|
using namespace facebook::jni;
|
|
|
|
namespace facebook {
|
|
namespace react {
|
|
|
|
extern const char AndroidTextInputComponentName[] = "AndroidTextInput";
|
|
|
|
void AndroidTextInputShadowNode::setContextContainer(
|
|
ContextContainer *contextContainer) {
|
|
ensureUnsealed();
|
|
contextContainer_ = contextContainer;
|
|
}
|
|
|
|
AttributedString AndroidTextInputShadowNode::getAttributedString() const {
|
|
auto textAttributes = TextAttributes::defaultTextAttributes();
|
|
textAttributes.apply(getProps()->textAttributes);
|
|
|
|
// Use BaseTextShadowNode to get attributed string from children
|
|
{
|
|
auto const &attributedString =
|
|
BaseTextShadowNode::getAttributedString(textAttributes, *this);
|
|
if (!attributedString.isEmpty()) {
|
|
return attributedString;
|
|
}
|
|
}
|
|
|
|
// Return placeholder text instead, if text was empty.
|
|
auto placeholderAttributedString = AttributedString{};
|
|
auto fragment = AttributedString::Fragment{};
|
|
fragment.string = getProps()->placeholder;
|
|
|
|
// For measurement purposes, we want to make sure that there's at least a
|
|
// single character in the string so that the measured height is greater than
|
|
// zero. Otherwise, empty TextInputs with no placeholder don't display at all.
|
|
if (fragment.string == "") {
|
|
fragment.string = " ";
|
|
}
|
|
fragment.textAttributes = textAttributes;
|
|
fragment.parentShadowView = ShadowView(*this);
|
|
placeholderAttributedString.appendFragment(fragment);
|
|
return placeholderAttributedString;
|
|
}
|
|
|
|
void AndroidTextInputShadowNode::setTextLayoutManager(
|
|
SharedTextLayoutManager textLayoutManager) {
|
|
ensureUnsealed();
|
|
textLayoutManager_ = textLayoutManager;
|
|
}
|
|
|
|
void AndroidTextInputShadowNode::updateStateIfNeeded() {
|
|
ensureUnsealed();
|
|
|
|
auto attributedString = getAttributedString();
|
|
auto const &state = getStateData();
|
|
|
|
assert(textLayoutManager_);
|
|
assert(
|
|
(!state.layoutManager || state.layoutManager == textLayoutManager_) &&
|
|
"`StateData` refers to a different `TextLayoutManager`");
|
|
|
|
if (state.attributedString == attributedString &&
|
|
state.layoutManager == textLayoutManager_) {
|
|
return;
|
|
}
|
|
|
|
setStateData(AndroidTextInputState{
|
|
attributedString, getProps()->paragraphAttributes, textLayoutManager_});
|
|
}
|
|
|
|
#pragma mark - LayoutableShadowNode
|
|
|
|
Size AndroidTextInputShadowNode::measure(
|
|
LayoutConstraints layoutConstraints) const {
|
|
AttributedString attributedString = getAttributedString();
|
|
|
|
if (attributedString.isEmpty()) {
|
|
return {0, 0};
|
|
}
|
|
|
|
return textLayoutManager_->measure(
|
|
attributedString, getProps()->paragraphAttributes, layoutConstraints);
|
|
}
|
|
|
|
void AndroidTextInputShadowNode::layout(LayoutContext layoutContext) {
|
|
updateStateIfNeeded();
|
|
ConcreteViewShadowNode::layout(layoutContext);
|
|
}
|
|
|
|
} // namespace react
|
|
} // namespace facebook
|