127 строки
4.0 KiB
C++
127 строки
4.0 KiB
C++
// Copyright (c) Facebook, Inc. and its affiliates.
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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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#include "ComponentDescriptorRegistry.h"
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#include <react/core/ShadowNodeFragment.h>
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#include <react/uimanager/primitives.h>
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namespace facebook {
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namespace react {
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void ComponentDescriptorRegistry::registerComponentDescriptor(
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SharedComponentDescriptor componentDescriptor) {
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ComponentHandle componentHandle = componentDescriptor->getComponentHandle();
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_registryByHandle[componentHandle] = componentDescriptor;
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ComponentName componentName = componentDescriptor->getComponentName();
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_registryByName[componentName] = componentDescriptor;
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}
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const SharedComponentDescriptor ComponentDescriptorRegistry::operator[](
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const SharedShadowNode &shadowNode) const {
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ComponentHandle componentHandle = shadowNode->getComponentHandle();
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return _registryByHandle.at(componentHandle);
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}
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const SharedComponentDescriptor ComponentDescriptorRegistry::operator[](
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const ComponentName &componentName) const {
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auto it = _registryByName.find(componentName);
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if (it == _registryByName.end()) {
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throw std::invalid_argument(
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("Unable to find componentDescriptor for " + componentName).c_str());
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}
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return it->second;
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}
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static const std::string componentNameByReactViewName(std::string viewName) {
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// We need this function only for the transition period;
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// eventually, all names will be unified.
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std::string rctPrefix("RCT");
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if (std::mismatch(rctPrefix.begin(), rctPrefix.end(), viewName.begin())
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.first == rctPrefix.end()) {
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// If `viewName` has "RCT" prefix, remove it.
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viewName.erase(0, rctPrefix.length());
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}
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// Fabric uses slightly new names for Text components because of differences
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// in semantic.
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if (viewName == "Text") {
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return "Paragraph";
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}
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if (viewName == "VirtualText") {
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return "Text";
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}
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if (viewName == "ImageView") {
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return "Image";
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}
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if (viewName == "AndroidHorizontalScrollView") {
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return "ScrollView";
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}
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if (viewName == "RKShimmeringView") {
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return "ShimmeringView";
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}
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if (viewName == "AndroidProgressBar") {
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return "ActivityIndicatorView";
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}
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// We need this temporarly for testing purposes until we have proper
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// implementation of core components.
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if (viewName == "SinglelineTextInputView" ||
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viewName == "MultilineTextInputView" || viewName == "AndroidTextInput" ||
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viewName == "RefreshControl" || viewName == "AndroidSwipeRefreshLayout" ||
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viewName == "SafeAreaView" || viewName == "ScrollContentView" ||
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viewName == "AndroidHorizontalScrollContentView" // Android
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) {
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return "View";
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}
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return viewName;
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}
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const ComponentDescriptor &ComponentDescriptorRegistry::at(
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ComponentName componentName) const {
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auto unifiedComponentName = componentNameByReactViewName(componentName);
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auto it = _registryByName.find(unifiedComponentName);
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if (it == _registryByName.end()) {
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throw std::invalid_argument(
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("Unable to find componentDescriptor for " + unifiedComponentName)
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.c_str());
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}
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return *it->second;
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}
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const ComponentDescriptor &ComponentDescriptorRegistry::at(
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ComponentHandle componentHandle) const {
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return *_registryByHandle.at(componentHandle);
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}
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SharedShadowNode ComponentDescriptorRegistry::createNode(
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Tag tag,
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const std::string &viewName,
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Tag rootTag,
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const folly::dynamic &props,
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const SharedEventTarget &eventTarget) const {
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ComponentName componentName = componentNameByReactViewName(viewName);
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const SharedComponentDescriptor &componentDescriptor = (*this)[componentName];
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SharedShadowNode shadowNode = componentDescriptor->createShadowNode(
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{.tag = tag,
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.rootTag = rootTag,
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.eventEmitter =
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componentDescriptor->createEventEmitter(std::move(eventTarget), tag),
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.props = componentDescriptor->cloneProps(nullptr, RawProps(props))});
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return shadowNode;
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}
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} // namespace react
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} // namespace facebook
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