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847e6fdd99
Summary: Pretty straight-forward migration to using `JSI` instead of `folly::dynamic` in `ScrollViewEventEmitter`. Reviewed By: sahrens Differential Revision: D13123049 fbshipit-source-id: 2839976d0119c48fa2538dbaa53afbc24982c598
100 lines
3.1 KiB
C++
100 lines
3.1 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 "ScrollViewEventEmitter.h"
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namespace facebook {
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namespace react {
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static jsi::Value scrollViewMetricsPayload(
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jsi::Runtime &runtime,
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const ScrollViewMetrics &scrollViewMetrics) {
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auto payload = jsi::Object(runtime);
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{
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auto contentOffset = jsi::Object(runtime);
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contentOffset.setProperty(runtime, "x", scrollViewMetrics.contentOffset.x);
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contentOffset.setProperty(runtime, "y", scrollViewMetrics.contentOffset.y);
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payload.setProperty(runtime, "contentOffset", contentOffset);
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}
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{
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auto contentInset = jsi::Object(runtime);
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contentInset.setProperty(
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runtime, "top", scrollViewMetrics.contentInset.top);
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contentInset.setProperty(
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runtime, "left", scrollViewMetrics.contentInset.left);
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contentInset.setProperty(
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runtime, "bottom", scrollViewMetrics.contentInset.bottom);
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contentInset.setProperty(
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runtime, "right", scrollViewMetrics.contentInset.right);
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payload.setProperty(runtime, "contentInset", contentInset);
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}
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{
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auto contentSize = jsi::Object(runtime);
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contentSize.setProperty(
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runtime, "width", scrollViewMetrics.contentSize.width);
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contentSize.setProperty(
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runtime, "height", scrollViewMetrics.contentSize.height);
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payload.setProperty(runtime, "contentSize", contentSize);
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}
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{
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auto containerSize = jsi::Object(runtime);
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containerSize.setProperty(
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runtime, "width", scrollViewMetrics.containerSize.width);
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containerSize.setProperty(
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runtime, "height", scrollViewMetrics.containerSize.height);
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payload.setProperty(runtime, "layoutMeasurement", containerSize);
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}
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payload.setProperty(runtime, "zoomScale", scrollViewMetrics.zoomScale);
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return payload;
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}
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void ScrollViewEventEmitter::onScroll(
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const ScrollViewMetrics &scrollViewMetrics) const {
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dispatchScrollViewEvent("scroll", scrollViewMetrics);
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}
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void ScrollViewEventEmitter::onScrollBeginDrag(
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const ScrollViewMetrics &scrollViewMetrics) const {
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dispatchScrollViewEvent("scrollBeginDrag", scrollViewMetrics);
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}
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void ScrollViewEventEmitter::onScrollEndDrag(
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const ScrollViewMetrics &scrollViewMetrics) const {
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dispatchScrollViewEvent("scrollEndDrag", scrollViewMetrics);
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}
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void ScrollViewEventEmitter::onMomentumScrollBegin(
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const ScrollViewMetrics &scrollViewMetrics) const {
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dispatchScrollViewEvent("momentumScrollBegin", scrollViewMetrics);
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}
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void ScrollViewEventEmitter::onMomentumScrollEnd(
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const ScrollViewMetrics &scrollViewMetrics) const {
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dispatchScrollViewEvent("momentumScrollEnd", scrollViewMetrics);
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}
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void ScrollViewEventEmitter::dispatchScrollViewEvent(
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const std::string &name,
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const ScrollViewMetrics &scrollViewMetrics,
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EventPriority priority) const {
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dispatchEvent(
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name,
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[scrollViewMetrics](jsi::Runtime &runtime) {
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return scrollViewMetricsPayload(runtime, scrollViewMetrics);
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},
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priority);
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}
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} // namespace react
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} // namespace facebook
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