mirror of
https://github.com/status-im/react-native.git
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f4da8769a3
Summary: Now instead of passing `reactTag` through the whole event pipeline, we store it inside `EventTargetWrapper` (and it does not leave `UIManagerBinding`). It helps with reducing the complexity of `EventEmitter` and will help us in migrating to JSI. Reviewed By: sahrens Differential Revision: D13123045 fbshipit-source-id: aa9ee94d5660ff3090369c1e55cf748d2e72b987
126 lines
3.3 KiB
C++
126 lines
3.3 KiB
C++
// Copyright 2004-present Facebook. All Rights Reserved.
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#pragma once
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#include <folly/dynamic.h>
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#include <jsi/JSIDynamic.h>
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#include <jsi/jsi.h>
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#include <react/core/ShadowNode.h>
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namespace facebook {
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namespace react {
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using RuntimeExecutor = std::function<void(
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std::function<void(facebook::jsi::Runtime &runtime)> &&callback)>;
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inline RawProps rawPropsFromDynamic(const folly::dynamic object) noexcept {
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RawProps result;
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if (object.isNull()) {
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return result;
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}
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assert(object.isObject());
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for (const auto &pair : object.items()) {
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assert(pair.first.isString());
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result[pair.first.asString()] = pair.second;
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}
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return result;
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}
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struct EventTargetWrapper : public EventTarget {
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EventTargetWrapper(jsi::WeakObject instanceHandle, Tag tag)
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: instanceHandle(std::move(instanceHandle)), tag(tag) {}
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mutable jsi::WeakObject instanceHandle;
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mutable Tag tag;
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};
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struct EventHandlerWrapper : public EventHandler {
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EventHandlerWrapper(jsi::Function eventHandler)
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: callback(std::move(eventHandler)) {}
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jsi::Function callback;
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};
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struct ShadowNodeWrapper : public jsi::HostObject {
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ShadowNodeWrapper(SharedShadowNode shadowNode)
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: shadowNode(std::move(shadowNode)) {}
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SharedShadowNode shadowNode;
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};
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struct ShadowNodeListWrapper : public jsi::HostObject {
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ShadowNodeListWrapper(SharedShadowNodeUnsharedList shadowNodeList)
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: shadowNodeList(shadowNodeList) {}
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SharedShadowNodeUnsharedList shadowNodeList;
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};
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inline static SharedShadowNode shadowNodeFromValue(
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jsi::Runtime &runtime,
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const jsi::Value &value) {
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return value.getObject(runtime)
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.getHostObject<ShadowNodeWrapper>(runtime)
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->shadowNode;
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}
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inline static jsi::Value valueFromShadowNode(
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jsi::Runtime &runtime,
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const SharedShadowNode &shadowNode) {
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return jsi::Object::createFromHostObject(
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runtime, std::make_shared<ShadowNodeWrapper>(shadowNode));
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}
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inline static SharedShadowNodeUnsharedList shadowNodeListFromValue(
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jsi::Runtime &runtime,
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const jsi::Value &value) {
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return value.getObject(runtime)
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.getHostObject<ShadowNodeListWrapper>(runtime)
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->shadowNodeList;
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}
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inline static jsi::Value valueFromShadowNodeList(
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jsi::Runtime &runtime,
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const SharedShadowNodeUnsharedList &shadowNodeList) {
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return jsi::Object::createFromHostObject(
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runtime, std::make_unique<ShadowNodeListWrapper>(shadowNodeList));
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}
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inline static RawProps rawPropsFromValue(
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jsi::Runtime &runtime,
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const jsi::Value &value) {
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return rawPropsFromDynamic(folly::dynamic{
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value.isNull() ? nullptr : jsi::dynamicFromValue(runtime, value)});
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}
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inline static SharedEventTarget eventTargetFromValue(
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jsi::Runtime &runtime,
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const jsi::Value &eventTargetValue,
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const jsi::Value &tagValue) {
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return std::make_shared<EventTargetWrapper>(
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jsi::WeakObject(runtime, eventTargetValue.getObject(runtime)),
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tagValue.getNumber());
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}
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inline static Tag tagFromValue(jsi::Runtime &runtime, const jsi::Value &value) {
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return (Tag)value.getNumber();
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}
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inline static SurfaceId surfaceIdFromValue(
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jsi::Runtime &runtime,
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const jsi::Value &value) {
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return (SurfaceId)value.getNumber();
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}
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inline static ComponentName componentNameFromValue(
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jsi::Runtime &runtime,
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const jsi::Value &value) {
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return value.getString(runtime).utf8(runtime);
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}
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} // namespace react
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} // namespace facebook
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