mirror of
https://github.com/zhigang1992/react-native.git
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94d49e544d
Summary: We are moving to more stable APIs removing all mentiones of the effort name from the codebase. Reviewed By: mdvacca Differential Revision: D12912894 fbshipit-source-id: 4a0c6b9e7454b8b14e62d419e9e9311dc0c56e7a
64 lines
1.8 KiB
C++
64 lines
1.8 KiB
C++
/**
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* Copyright (c) Facebook, Inc. and its affiliates.
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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 "TextLayoutManager.h"
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#include <react/attributedstring/conversions.h>
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#include <react/jni/ReadableNativeMap.h>
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using namespace facebook::jni;
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namespace facebook {
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namespace react {
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TextLayoutManager::~TextLayoutManager() {}
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void *TextLayoutManager::getNativeTextLayoutManager() const {
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return self_;
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}
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Size TextLayoutManager::measure(
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Tag reactTag,
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AttributedString attributedString,
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ParagraphAttributes paragraphAttributes,
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LayoutConstraints layoutConstraints) const {
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const jni::global_ref<jobject> &fabricUIManager =
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contextContainer_->getInstance<jni::global_ref<jobject>>(
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"FabricUIManager");
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auto clazz =
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jni::findClassStatic("com/facebook/fbreact/fabric/FabricUIManager");
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static auto measure = clazz->getMethod<JArrayFloat::javaobject(
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jint,
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jstring,
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ReadableNativeMap::javaobject,
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ReadableNativeMap::javaobject,
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jint,
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jint)>("measure");
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int width = (int)layoutConstraints.maximumSize.width;
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int height = (int)layoutConstraints.maximumSize.height;
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local_ref<JString> componentName = make_jstring("RCTText");
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auto values = measure(
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fabricUIManager,
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reactTag,
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componentName.get(),
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ReadableNativeMap::newObjectCxxArgs(toDynamic(attributedString)).get(),
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ReadableNativeMap::newObjectCxxArgs(toDynamic(paragraphAttributes)).get(),
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width,
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height);
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std::vector<float> indices;
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indices.resize(values->size());
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values->getRegion(0, values->size(), indices.data());
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return {(float)indices[0], (float)indices[1]};
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}
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} // namespace react
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} // namespace facebook
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