mirror of
https://github.com/zhigang1992/react-native.git
synced 2026-04-03 17:45:12 +08:00
8367fa9644
Summary: This diff adds support for layout constraint when measuring text Reviewed By: shergin Differential Revision: D13111434 fbshipit-source-id: 0c8689e9ac8ce2281b03386f275d2a8e034f88d8
72 lines
2.0 KiB
C++
72 lines
2.0 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 "TextLayoutManager.h"
|
|
|
|
#include <react/attributedstring/conversions.h>
|
|
#include <react/jni/ReadableNativeMap.h>
|
|
|
|
using namespace facebook::jni;
|
|
|
|
namespace facebook {
|
|
namespace react {
|
|
|
|
TextLayoutManager::~TextLayoutManager() {}
|
|
|
|
void *TextLayoutManager::getNativeTextLayoutManager() const {
|
|
return self_;
|
|
}
|
|
|
|
Size TextLayoutManager::measure(
|
|
Tag reactTag,
|
|
AttributedString attributedString,
|
|
ParagraphAttributes paragraphAttributes,
|
|
LayoutConstraints layoutConstraints) const {
|
|
const jni::global_ref<jobject> &fabricUIManager =
|
|
contextContainer_->getInstance<jni::global_ref<jobject>>(
|
|
"FabricUIManager");
|
|
|
|
auto clazz =
|
|
jni::findClassStatic("com/facebook/fbreact/fabric/FabricUIManager");
|
|
static auto measure = clazz->getMethod<JArrayFloat::javaobject(
|
|
jint,
|
|
jstring,
|
|
ReadableNativeMap::javaobject,
|
|
ReadableNativeMap::javaobject,
|
|
jint,
|
|
jint,
|
|
jint,
|
|
jint)>("measure");
|
|
|
|
auto minimumSize = layoutConstraints.minimumSize;
|
|
auto maximumSize = layoutConstraints.maximumSize;
|
|
int minWidth = (int)minimumSize.width;
|
|
int minHeight = (int)minimumSize.height;
|
|
int maxWidth = (int)maximumSize.width;
|
|
int maxHeight = (int)maximumSize.height;
|
|
local_ref<JString> componentName = make_jstring("RCTText");
|
|
auto values = measure(
|
|
fabricUIManager,
|
|
reactTag,
|
|
componentName.get(),
|
|
ReadableNativeMap::newObjectCxxArgs(toDynamic(attributedString)).get(),
|
|
ReadableNativeMap::newObjectCxxArgs(toDynamic(paragraphAttributes)).get(),
|
|
minWidth,
|
|
maxWidth,
|
|
minHeight,
|
|
maxHeight);
|
|
|
|
std::vector<float> indices;
|
|
indices.resize(values->size());
|
|
values->getRegion(0, values->size(), indices.data());
|
|
|
|
return {indices[0], indices[1]};
|
|
}
|
|
|
|
} // namespace react
|
|
} // namespace facebook
|