356 lines
11 KiB
C++
356 lines
11 KiB
C++
/*
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* Copyright (c) Meta Platforms, Inc. and 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 "NativeDOM.h"
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#include <react/renderer/components/root/RootShadowNode.h>
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#include <react/renderer/dom/DOM.h>
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#include <react/renderer/uimanager/PointerEventsProcessor.h>
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#include <react/renderer/uimanager/UIManagerBinding.h>
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#ifdef RN_DISABLE_OSS_PLUGIN_HEADER
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#include "Plugins.h"
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#endif
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std::shared_ptr<facebook::react::TurboModule> NativeDOMModuleProvider(
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std::shared_ptr<facebook::react::CallInvoker> jsInvoker) {
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return std::make_shared<facebook::react::NativeDOM>(std::move(jsInvoker));
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}
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namespace facebook::react {
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#pragma mark - Private helpers
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static RootShadowNode::Shared getCurrentShadowTreeRevision(
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facebook::jsi::Runtime& runtime,
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SurfaceId surfaceId) {
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auto& uiManager =
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facebook::react::UIManagerBinding::getBinding(runtime)->getUIManager();
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auto shadowTreeRevisionProvider = uiManager.getShadowTreeRevisionProvider();
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return shadowTreeRevisionProvider->getCurrentRevision(surfaceId);
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}
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static facebook::react::PointerEventsProcessor&
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getPointerEventsProcessorFromRuntime(facebook::jsi::Runtime& runtime) {
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return facebook::react::UIManagerBinding::getBinding(runtime)
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->getPointerEventsProcessor();
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}
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static std::vector<facebook::jsi::Value>
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getArrayOfInstanceHandlesFromShadowNodes(
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const ShadowNode::ListOfShared& nodes,
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facebook::jsi::Runtime& runtime) {
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// JSI doesn't support adding elements to an array after creation,
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// so we need to accumulate the values in a vector and then create
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// the array when we know the size.
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std::vector<facebook::jsi::Value> nonNullInstanceHandles;
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nonNullInstanceHandles.reserve(nodes.size());
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for (const auto& shadowNode : nodes) {
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auto instanceHandle = (*shadowNode).getInstanceHandle(runtime);
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if (!instanceHandle.isNull()) {
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nonNullInstanceHandles.push_back(std::move(instanceHandle));
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}
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}
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return nonNullInstanceHandles;
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}
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#pragma mark - NativeDOM
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NativeDOM::NativeDOM(std::shared_ptr<CallInvoker> jsInvoker)
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: NativeDOMCxxSpec(std::move(jsInvoker)) {}
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jsi::Value NativeDOM::getParentNode(
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jsi::Runtime& rt,
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jsi::Value shadowNodeValue) {
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auto shadowNode = shadowNodeFromValue(rt, shadowNodeValue);
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auto currentRevision =
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getCurrentShadowTreeRevision(rt, shadowNode->getSurfaceId());
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if (currentRevision == nullptr) {
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return jsi::Value::undefined();
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}
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auto parentShadowNode = dom::getParentNode(currentRevision, *shadowNode);
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if (parentShadowNode == nullptr) {
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return jsi::Value::undefined();
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}
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return parentShadowNode->getInstanceHandle(rt);
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}
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std::vector<jsi::Value> NativeDOM::getChildNodes(
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jsi::Runtime& rt,
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jsi::Value shadowNodeValue) {
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auto shadowNode = shadowNodeFromValue(rt, shadowNodeValue);
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auto currentRevision =
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getCurrentShadowTreeRevision(rt, shadowNode->getSurfaceId());
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if (currentRevision == nullptr) {
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return std::vector<jsi::Value>{};
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}
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auto childNodes = dom::getChildNodes(currentRevision, *shadowNode);
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return getArrayOfInstanceHandlesFromShadowNodes(childNodes, rt);
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}
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bool NativeDOM::isConnected(jsi::Runtime& rt, jsi::Value shadowNodeValue) {
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auto shadowNode = shadowNodeFromValue(rt, shadowNodeValue);
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auto currentRevision =
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getCurrentShadowTreeRevision(rt, shadowNode->getSurfaceId());
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if (currentRevision == nullptr) {
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return false;
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}
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return dom::isConnected(currentRevision, *shadowNode);
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}
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double NativeDOM::compareDocumentPosition(
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jsi::Runtime& rt,
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jsi::Value shadowNodeValue,
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jsi::Value otherShadowNodeValue) {
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auto shadowNode = shadowNodeFromValue(rt, shadowNodeValue);
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auto otherShadowNode = shadowNodeFromValue(rt, otherShadowNodeValue);
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auto currentRevision =
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getCurrentShadowTreeRevision(rt, shadowNode->getSurfaceId());
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if (otherShadowNode == nullptr || currentRevision == nullptr) {
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return 0;
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}
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return dom::compareDocumentPosition(
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currentRevision, *shadowNode, *otherShadowNode);
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}
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std::string NativeDOM::getTextContent(
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jsi::Runtime& rt,
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jsi::Value shadowNodeValue) {
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auto shadowNode = shadowNodeFromValue(rt, shadowNodeValue);
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auto currentRevision =
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getCurrentShadowTreeRevision(rt, shadowNode->getSurfaceId());
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if (currentRevision == nullptr) {
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return "";
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}
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return dom::getTextContent(currentRevision, *shadowNode);
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}
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std::tuple<
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/* x: */ double,
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/* y: */ double,
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/* width: */ double,
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/* height: */ double>
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NativeDOM::getBoundingClientRect(
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jsi::Runtime& rt,
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jsi::Value shadowNodeValue,
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bool includeTransform) {
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auto shadowNode = shadowNodeFromValue(rt, shadowNodeValue);
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auto currentRevision =
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getCurrentShadowTreeRevision(rt, shadowNode->getSurfaceId());
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if (currentRevision == nullptr) {
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return {0, 0, 0, 0};
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}
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auto domRect = dom::getBoundingClientRect(
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currentRevision, *shadowNode, includeTransform);
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return std::tuple{domRect.x, domRect.y, domRect.width, domRect.height};
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}
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std::tuple<
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/* offsetParent: */ jsi::Value,
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/* top: */ double,
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/* left: */ double>
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NativeDOM::getOffset(jsi::Runtime& rt, jsi::Value shadowNodeValue) {
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auto shadowNode = shadowNodeFromValue(rt, shadowNodeValue);
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auto currentRevision =
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getCurrentShadowTreeRevision(rt, shadowNode->getSurfaceId());
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if (currentRevision == nullptr) {
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return {jsi::Value::undefined(), 0, 0};
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}
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auto domOffset = dom::getOffset(currentRevision, *shadowNode);
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return std::tuple{
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domOffset.offsetParent == nullptr
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? jsi::Value::undefined()
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: domOffset.offsetParent->getInstanceHandle(rt),
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domOffset.top,
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domOffset.left};
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}
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std::tuple</* scrollLeft: */ double, /* scrollTop: */ double>
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NativeDOM::getScrollPosition(jsi::Runtime& rt, jsi::Value shadowNodeValue) {
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auto shadowNode = shadowNodeFromValue(rt, shadowNodeValue);
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auto currentRevision =
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getCurrentShadowTreeRevision(rt, shadowNode->getSurfaceId());
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if (currentRevision == nullptr) {
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return {0, 0};
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}
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auto domPoint = dom::getScrollPosition(currentRevision, *shadowNode);
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return std::tuple{domPoint.x, domPoint.y};
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}
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std::tuple</* scrollWidth: */ int, /* scrollHeight */ int>
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NativeDOM::getScrollSize(jsi::Runtime& rt, jsi::Value shadowNodeValue) {
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auto shadowNode = shadowNodeFromValue(rt, shadowNodeValue);
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auto currentRevision =
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getCurrentShadowTreeRevision(rt, shadowNode->getSurfaceId());
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if (currentRevision == nullptr) {
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return {0, 0};
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}
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auto scrollSize = dom::getScrollSize(currentRevision, *shadowNode);
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return std::tuple{scrollSize.width, scrollSize.height};
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}
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std::tuple</* width: */ int, /* height: */ int> NativeDOM::getInnerSize(
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jsi::Runtime& rt,
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jsi::Value shadowNodeValue) {
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auto shadowNode = shadowNodeFromValue(rt, shadowNodeValue);
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auto currentRevision =
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getCurrentShadowTreeRevision(rt, shadowNode->getSurfaceId());
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if (currentRevision == nullptr) {
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return {0, 0};
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}
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auto innerSize = dom::getInnerSize(currentRevision, *shadowNode);
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return std::tuple{innerSize.width, innerSize.height};
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}
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std::tuple<
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/* topWidth: */ int,
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/* rightWidth: */ int,
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/* bottomWidth: */ int,
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/* leftWidth: */ int>
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NativeDOM::getBorderWidth(jsi::Runtime& rt, jsi::Value shadowNodeValue) {
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auto shadowNode = shadowNodeFromValue(rt, shadowNodeValue);
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auto currentRevision =
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getCurrentShadowTreeRevision(rt, shadowNode->getSurfaceId());
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if (currentRevision == nullptr) {
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return {0, 0, 0, 0};
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}
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auto borderWidth = dom::getBorderWidth(currentRevision, *shadowNode);
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return std::tuple{
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borderWidth.top, borderWidth.right, borderWidth.bottom, borderWidth.left};
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}
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std::string NativeDOM::getTagName(
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jsi::Runtime& rt,
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jsi::Value shadowNodeValue) {
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auto shadowNode = shadowNodeFromValue(rt, shadowNodeValue);
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return dom::getTagName(*shadowNode);
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}
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#pragma mark - Pointer events
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bool NativeDOM::hasPointerCapture(
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jsi::Runtime& rt,
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jsi::Value shadowNodeValue,
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double pointerId) {
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bool isCapturing = getPointerEventsProcessorFromRuntime(rt).hasPointerCapture(
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pointerId, shadowNodeFromValue(rt, shadowNodeValue).get());
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return isCapturing;
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}
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void NativeDOM::setPointerCapture(
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jsi::Runtime& rt,
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jsi::Value shadowNodeValue,
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double pointerId) {
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getPointerEventsProcessorFromRuntime(rt).setPointerCapture(
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pointerId, shadowNodeFromValue(rt, shadowNodeValue));
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}
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void NativeDOM::releasePointerCapture(
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jsi::Runtime& rt,
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jsi::Value shadowNodeValue,
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double pointerId) {
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getPointerEventsProcessorFromRuntime(rt).releasePointerCapture(
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pointerId, shadowNodeFromValue(rt, shadowNodeValue).get());
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}
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#pragma mark - Legacy RN layout APIs
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void NativeDOM::measure(
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jsi::Runtime& rt,
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jsi::Value shadowNodeValue,
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jsi::Function callback) {
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auto shadowNode = shadowNodeFromValue(rt, shadowNodeValue);
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auto currentRevision =
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getCurrentShadowTreeRevision(rt, shadowNode->getSurfaceId());
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if (currentRevision == nullptr) {
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callback.call(rt, {0, 0, 0, 0, 0, 0});
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return;
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}
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auto measureRect = dom::measure(currentRevision, *shadowNode);
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callback.call(
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rt,
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{jsi::Value{rt, measureRect.x},
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jsi::Value{rt, measureRect.y},
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jsi::Value{rt, measureRect.width},
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jsi::Value{rt, measureRect.height},
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jsi::Value{rt, measureRect.pageX},
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jsi::Value{rt, measureRect.pageY}});
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}
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void NativeDOM::measureInWindow(
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jsi::Runtime& rt,
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jsi::Value shadowNodeValue,
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jsi::Function callback) {
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auto shadowNode = shadowNodeFromValue(rt, shadowNodeValue);
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auto currentRevision =
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getCurrentShadowTreeRevision(rt, shadowNode->getSurfaceId());
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if (currentRevision == nullptr) {
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callback.call(rt, {0, 0, 0, 0});
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return;
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}
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auto rect = dom::measureInWindow(currentRevision, *shadowNode);
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callback.call(
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rt,
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{jsi::Value{rt, rect.x},
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jsi::Value{rt, rect.y},
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jsi::Value{rt, rect.width},
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jsi::Value{rt, rect.height}});
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}
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void NativeDOM::measureLayout(
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jsi::Runtime& rt,
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jsi::Value shadowNodeValue,
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jsi::Value relativeToShadowNodeValue,
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jsi::Function onFail,
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jsi::Function onSuccess) {
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auto shadowNode = shadowNodeFromValue(rt, shadowNodeValue);
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auto relativeToShadowNode =
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shadowNodeFromValue(rt, relativeToShadowNodeValue);
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auto currentRevision =
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getCurrentShadowTreeRevision(rt, shadowNode->getSurfaceId());
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if (currentRevision == nullptr) {
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onFail.call(rt);
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return;
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}
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auto maybeRect =
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dom::measureLayout(currentRevision, *shadowNode, *relativeToShadowNode);
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if (!maybeRect) {
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onFail.call(rt);
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return;
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}
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auto rect = maybeRect.value();
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onSuccess.call(
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rt,
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{jsi::Value{rt, rect.x},
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jsi::Value{rt, rect.y},
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jsi::Value{rt, rect.width},
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jsi::Value{rt, rect.height}});
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}
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} // namespace facebook::react
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